15050 awwa c200

Division 15 Mechanical Section 15050 Basic Mechanical Materials and Methods

Division 15 - Mechanical

Section 15050 - Basic Mechanical Materials and Methods

1 Part 1: General

1 01 SummaryThis section specifies the basic material requirements and methods for mechanical installations.

The mechanical works shall comply with all requirements of this section unless otherwise stated in other mechanical sections.

1 01 01 Section Includes

01.0 Basic mechanical requirements.

02.0 Definitions.

03.0 Pipes and fittings.

04.0 Valves.

05.0 Piping specialities.

6.0 Meters and gauges.

7.0 Piping supports and hangers

08.0 Pumps.

09.0 Motors.

10.0 Vibration control.

11.0 Mechanical identification.

1 01 02 Products Delivered But not Installed

1 01 03 Products Installed But not Delivered

1 01 04 Related Sections

Div. 1 Sections relevant to work of this section03300 Cast in-place concreteDiv. 16 Sections relevant to work of this section

1 02 References

1 02 01 Applicable Standards

1 02 01 01 Saudi Arabian Standards

SASO 236: 95 Clay Pipes for Draining Sewage and Water

GSBC - Ministry of Public Works and Housing - Kingdom of Saudi Arabia


1 02 01 02 Gulf Standards

1 02 01 03 International Standards

1 02 01 03 01 International Standards Organization (ISO)

ISO 161-1: 96 Thermoplastics Pipes for the Conveyance of Fluids – Nominal Pressures – Part 1: Metric Series Third Edition

ISO 161-2: 96 Thermoplastics Pipes for the Conveyance of Fluids – Nominal Outside Diameters and Nominal Pressures – Part 2: Inch Based Series Second Edition

1 02 01 04 USA Standards

1 02 01 04 01 American Society for Testing and Materials (ASTM)

ASTM A 36/A 36M: 01 Standard Specification for Carbon Structural Steel

ASTM A 47/A 47M: 99 Standard Specification for Ferritic Malleable Iron Castings

ASTM A 53 /M: 01 Standard Specification for pipe, Steel, Black and Hot–Dipped, Zinc-coated, Welded and Seamless

ASTM A 74: 98 Standard Specification for Cast Iron Soil Pipe and Fittings AASHTO no: M263-77

ASTM A 106: 99 Standard Specification for Seamless Carbon Steel pipe for High-Temperature Service E (1999)

ASTM A 126: 95 Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings R (2001)

ASTM A 135: 01 Standard Specification for Electric Resistance-Welded Steel Pipe

ASTM A 183: 98 Standard Specification for Carbon Steel Track Bolts and Nuts

ASTM A 270: 01 Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing

ASTM A 312/A 312M: 01 Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipes

ASTM A 518/A 518M: 99 Standard Specification for Corrosion-Resistant High-Silicon Iron Castings

ASTM A 519: 96 Standard Specification For Seamless Carbon and Alloy Steel Mechanical Tubing

ASTM A 536: 84 Standard Specification for Ductile Iron Castings E (1999) R (1999)

ASTM A 641/A 641M: 98 Standard Specification for Zinc-Coated (Galvanized) Carbon Steel Wire

ASTM A 671: 96 Standard Specification for Electric- Fusion – Welded Steel Pipe for Atmospheric and Lower Temperatures

ASTM A 672: 96 Standard Specification for Electric- Fusion – Welded Steel Pipe for High- Pressure Service at Moderate Temperatures

ASTM A 714: 99 Standard Specification for High-Strength Low-Alloy Welded and Seamless Steel Pipe

ASTM B 32: 00 Standard Specification for Solder Metal

ASTM B 43: 98 Standard Specification for Seamless Red Brass Pipe, Standard Sizes



ASTM B 62: 93 Standard Specification for Composition Bronze or Ounce Metal Casting

ASTM B 88: 99 Standard Specification for Seamless Copper Water Tube E (2000)

ASTM B 280: 99 Standard Specification for Seamless Copper Tube for Air Conditioning and Refrigeration Field Service E (2000

ASTM B 306: 99 Standard Specification for Copper Drainage Tube (DWV)

ASTM C 12: 01 Standard Practice for Installing Vitrified Clay Pip Lines

ASTM C 14: 99 Standard Specification for Concrete Sewer, Storm Drain, And Culvert Pipe

ASTM C 76: 00 Standard Specification for Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe

ASTM C 206: 48 Standard Specification for Finishing Hydrated Lime R (1997)

ASTM C 443: 01 Standard Specification for Joints for Circular Concrete Sewer and Culvert Pipe, Using Rubber Gaskets

ASTM C 562: 91 Standard Test Method for Moisture in a Graphite Sample R (2000)

ASTM C 564: 97 Standard Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings

ASTM C 599: 91 Standard Specification for Conical Process Glass Pipe and Fittings E (1995) R (1995)

ASTM C 600: 85 Standard Method of Thermal Shock test on Glass Pip R (2000)

ASTM C 700: 00 Standard Specification for Vitrified Clay Pipe, Extra Strength, Standard Strength, and Perforated

ASTM D 1527: 99 Standard Specification for Acrylonitrile – Butadiene- Styrene (ABS) Plastic Pipe, Schedules 40 and 80

ASTM D 1785: 99 Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40,80,and 120

ASTM D 2000: 01 Standard Classification System for Rubber Products in Automotive Applications SAE J 200

ASTM D 2104: 01 Standard Specification for Polyethylene (PE) Plastic Pipe, Schedule 40

ASTM D 2235: 01 Standard Specification for Solvent Cement for Acrylonitrile-Butadiene-Styrene (ABS) Plastic Pipe and Fitting

ASTM D 2310: 01 Standard Classification for Machine-Made” fiberglass” Glass-Fiber- Reinforced Thermosetting –Resin) Pipe

ASTM D 2464: 99 Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80



ASTM D 2468 REV A: 96 Standard Specification for Acrylonitrile-Butadiene- Styrene (ABS) Plastic Pipe Fittings, Schedule 40

ASTM D 2564 REV A: 96 Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Piping Systems



ASTM D 2609: 00 Standard Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe

ASTM D 2657: 97 Standard Practice for Heat Fusion Joining of Polyolefin Pipe and Fittings

ASTM D 2662 REV A: 96 Standard Specification for Polybutylene (PB) Plastic Pipe (SIDR-Pr) Based on Controlled Inside Diameter

ASTM D 2665: 01 Standard Specification for Poly (Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings

ASTM D 2666 REV A: 96 Standard Specification for Polybutylenc (PB) Plastic Tubing

ASTM D 2729 REV A: 96 Standard Specification for Poly (Vinyl Chloride) (PVC) Sewer Pipe and Fittings

ASTM D 2737: 01 Standard Specification for Polyethylene (PE) Plastic Tubing

ASTM D 2996: 01 Standard Specification for filament- Wound “ Fiberglass” (Glass-Fiber- Reinforced Thermosetting –Resin) Pipe

ASTM D 3138: 95 Standard Specification for solvent Cements for Transition Joints Between Acrylonitrile- Butadiene – Styrene (ABS) and Poly (Vinyl Chloride) (PVC) Non- Pressure Piping Components

ASTM D 3309 REV A: 96 Standard Specification for Polybutylene (PB) Plastic Hot –and Cold – Water Distribution Systems

ASTM E 814: 00 Standard Test Method for Fire Tests of Through-Penetration Fire Stops

ASTM F 402: 93 Standard Practice for Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings R (1999)

ASTM F 438: 01 Standard Specification for Socket- Type Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe Fittings, Schedule 40

ASTM F 441/F 441M: 99 Standard Specification for Chlorinated Poly (Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and 80

1 02 01 04 03 American National Standard Institute (ANSI)

ANSI B16.1: 98 Cast Iron Pipe Flanges and Flanged Fittings Classes 25,125,and 250

ANSI B16.3: 98 Malleable Iron Threaded Fittings Classes 150 and 300

ANSI B16.4: 98 Gray Iron Threaded Fittings – Classes 125 and 250

ANSI B16.5: 96 Pipe Flanges and Flanged Fittings NPS ½ Through NPS 24 Addenda A- 10/26/1998

ANSI B16.9: 01 Factory-Made Wrought Butt-Welding Fittings

ANSI B16.11: 96 Forged Fittings, Socket-Welding and Threaded

ANSI B16.12: 98 Cast Iron Threaded Drainage Fittings

ANSI B16.14: 91 Ferrous Pipe Plugs, Bushings, and Locknuts with Pipe Threads

ANSI B16.15: 85 Cast Bronze Threaded Fitting Classes 125 and 250 R (1994)

ANSI B16.18: 84 Cast Copper Alloy Solder Joint Pressure Fittings R (1994)



ANSI B16.22: 95 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings Addenda A-07/09/1998

ANSI B16.23: 92 Cast Copper Alloy Solder Joint Drainage Fittings – DWV Errata – January 1994

ANSI B16.24: 91 Cast Copper Alloy Pipe Flanges and Flanged Fittings Classes 150, 300, 400, 600, 900, 1500 and 2500 Errata – 1991 R (1998)

ANSI B16.26: 88 Cast Copper Alloy Fittings for Flared Copper Tubes

ANSI B16.28: 94 Wrought Steel Butt-Welding Short Elbows and Returns

ANSI B16.29: 94 Wrought Copper and Wrought Copper Alloy Solder Joint Drainage Fittings – DWV

ANSI B16.39: 98 Malleable Iron Threaded Pipe Unions Classes 150, 250, and 300

1 02 01 04 05 American Society of Mechanical Engineers (ASME)

ASME A13.1: 96 Scheme for the Identification of Piping Systems Erratum- September 1998

ASME B31.1: 01 Power Piping

ASME B31.9: 96 Building Service Piping

ASME B40.100: 98 Pressure Gauges and Gauge Attachments Incorporating ASME B 40.1:98 and ASME B40.7: 98

ASME SEC II C SFA-5.8: 01 Specification for Filler Metals for Brazing and Braze Welding AWS

1 02 01 04 10 National Electric Manufacturers Association (NEMA)

NEMA MG- 1: 98 R (01) Motors and Generators

NEMA ICS 6: 93 R (01) Industrial Control and Systems Enclosures R (2001)

1 02 01 04 11 National Fire Protection Association (NFPA)

NFPA 13H: 99 Automatic Sprinkler Systems Handbook Eighth Edition

NFPA 20: 99 Standard for the Installation of Stationary Pumps for Fire Protection Errata: September 15, 1999, March 27 2000, January 19,2001(National Fire Codes, vol1)

1 02 01 04 19 American Water Works Association (AWWA)

AWWA C104/A 21.4: 95 Cement – Mortar Lining For Ductile – Iron Pipe and Fittings for Water

AWWA C110/A 21.10: 98 Ductile–Iron and Gray-Iron Fittings, 3 in. (75mm). Through 48 in. (76mm Through 1219mm), for Water Erratum: October 1999

AWWA C111/A21.11: 00 Rubber –Gasket Joints for Ductile – Iron Pressure Pipe and Fittings

AWWA C150/A21.50: 96 Thickness Design of Ductile –Iron Pipe

AWWA C151/A21.51: 96 Ductile–Iron Pipe Centrifugally Cast for Water

AWWA C200: 97 Steel Water Pipe–6in. (150mm) and larger

AWWA C206: 97 Field Welding of Steel Water Pipe

AWAW C207: 94 Steel Pipe Flanges for Water works Service – Size 4 in. Through 144 in. (100 mm Through 3,600 mm) Erratum – December 1994



AWWA C300: 97 Reinforced Concrete Pressure Pipe, Steel –Cylinder Type

AWWA C301: 99 Pre-stressed Concrete Pressure Pipe, Steel –Cylinder Type Erratum –January 2000

AWWA C600: 99 Installation of Ductile –Iron Water Mains and Their Appurtenances

AWAW C606: 97 Grooved and Shouldered Joints

AWWA C900: 97 Polyvinyl Chloride (PVC) Pressure Pipe and Fabricated Fittings, 4in. Through 12in (100 mm through 300 mm), for Water Distribution

1 02 02 Codes

ASME Boiler and Pressure Vessel Code

1 02 03 Other References

MSS SP-43: 91 Wrought Stainless Steel Butt-Welding Fittings Including Reference to Other Corrosion Resistant Materials R (2001)

MSS SP-51: 00 Class 150LW Corrosion Resistant Flanges and Cast Flanged Fittings

MSS SP-67: 95 Butterfly Valves

MSS SP-70: 98 Cast Iron Gate Valves, Flanged and Threaded Ends

MSS SP-71: 97 Gray Iron Swing Check Valves, Flanged and Threaded Ends

MSS SP-78: 98 Cast Iron Plug Valves, Flanged and Threaded Ends

MSS SP-80: 97 Bronze Gate, Globe, Angle and Check Valves

MSS SP-85: 94 Cast Iron Globe & Angle Valves Flanged and Threaded Ends

MSS SP-97: 01 Integrally Reinforced Forged Branch Outlet Fittings – Socket Welding, Threaded and Butt-welding Ends

FCI 73-1: 95 Pressure Rating Standard for “Y” Type Strainers

PDI/PLUMB WH 201: 92 Water Hammer Arrester Standard

FM Mutual Factory Research

FM 1046: 87 Fire Pump Flowmeter Systems

1 03 Definitions

1 03 01 Technical Terms

1 03 01 01 General Terms

approve: Where used in conjunction with the Engineer’s response to submittals, requests, inquiries, reports and claims by the contractor, the term “approved” will be held to limitations of the engineer’s responsibilities and duties as specified in general conditions. In no case will the Engineer’s approval be interpreted as a release of the contractor from responsibilities to fulfil requirements of contract documents or acceptance of the work, unless otherwise provided by the requirements of the contract documents.

furnish: The term “furnish” is used to mean “supply and deliver to the project site, ready for unloading, unpacking, assembly, installation, and similar operations”.



indicated: The term “indicated” is a cross-reference to graphic representation, notes or schedules on the drawings, to other paragraphs or schedules in the specification and similar means of recording requirements in the contract documents.

install: The term “install” is used to describe operations at project site including the actual unloading, unpacking, assembly, erection, placing, anchoring, applying, working to dimension, finishing, cleaning and similar operations.

installer: The “installer” is “the entity”(person or firm) engaged by the contractor, its subcontractor or sub subcontractor for performance of a particular element of construction at the project site, including installation, erection, and similar required operation. It is a requirement that installers are experienced in the operations they are engaged to perform.

provide: The term “provide” means “to furnish and install, complete and ready for the intended use”.

testing laboratories: A” testing laboratory” is an independent entity engaged to perform specific inspections or tests of the work, either at the project site or else where, and to report, and (if required) interpret results of those inspections or tests.

1 03 01 02 Terminology

For “Terminology” refer to ASHARE Terminology Manual of heating ventilating, air conditioning and Refrigeration

1 03 02 Abbreviations and Symbols

ACR tube air conditioning and refrigeration copper tubes

DWV drainage-west-vent

m meter

mm millimetre

Kg kilogram

PDI plumbing drainage industries

psi pound per square inch

PRV pressure regulating valve

NPT nominal pipe threads

rpm revelation per minute

SDR soldered

WOG water-oil-gas

For more abbreviations refer to ASHARE fundamental handbook latest edition

1 04 System Description

1 04 01 Design Requirements

1 04 01 01 Design Criteria

The contractor shall comply with all design criteria given by the Engineer and shall submit documentary proof or any other information required by the Engineer in order to prove his compliance.

The contractor shall be responsible for checking thermal loads and parts of design of air conditioning works, and submitting calculations if there is any deviations.

1 04 01 02 Outdoor Design Conditions

The recommended design dry-bulb and wet-bulb temperatures are presented in table 1, Article 6 01. The winter design dry-bulb values represent the temperatures, which were equalled or exceeded during 99 percent of the total hours in the winter months. The



summer design values represent the temperatures, which were equalled or exceeded only during 4 to 5 percent of the total hours during summer months.

1 04 02 Performance Requirements

1 04 02 01 Accessibility

Install equipment and materials to provide required access for servicing and maintenance. Co-ordinate the final location of concealed equipment and devices requiring access with final location of required access panels and doors. Allow ample space for removal of all parts that require replacements or servicing. Extend all grease fittings to an accessible location.

1 04 02 02 Rough-In

Verify final locations for rough-ins with field measurements and with the requirements of the actual equipment to be installed and connected.

Refer to equipment specification in related sections

1 04 02 03 Mechanical Installations

Co-ordinate mechanical equipment and materials installation with other building components.

Verify all dimensions by field measurements.

Arrange for chases, slots, and openings in other building components to allow for mechanical installations.

Co-ordinate the installation of required supporting devices and sleeves to be set in poured in place concrete and other structural components, as they are constructed.

Sequence, co-ordinate, and integrate installations of mechanical materials and equipment for efficient flow of the work, give particular attention to large equipment requiring positioning prior to closing -in the building.

Where mounting heights are not detailed or dimensioned, install mechanical services and overhead equipment to provide the maximum headroom possible.

Install mechanical equipment to facilitate maintenance and repair or replacement of equipment components. As much practical, connect equipment for ease of disconnecting, with minimum of interference with other installations.

Co-ordinate the installation of mechanical materials and equipment above ceiling with suspension system, light fixtures, and other installations

Co-ordinate connection of mechanical systems with exterior underground and overhead utilities and services. Comply with requirements of governing regulations, franchised service companies and controlling agencies. Provide required connection for each service.

1 04 02 04 Cutting and Patching

Do not endanger or damage installed work through procedures and processes of cutting and patching.

Arrange for repairs required to restore other work, because of damage caused as a result of mechanical installation.

No additional compensation will be authorised for cutting and patching work that is necessitated by ill-timed, defective, or non-conforming installations.

Perform cutting, fitting, and patching of mechanical equipment and materials required to:

Uncover work to provide for installation of ill-timed work.

Remove and replace defective work.

Remove and replace work not confirming to requirements of the Contract Documents.

Remove samples of installed work as specified for testing.



Install equipment and materials in existing structures.

Upon written instructions from the Engineer, uncover and restore work to provide for Engineer observation of concealed work.

Cut, remove and legally dispose of selected mechanical equipment, components, and materials as indicated, including, but not limited to removal of mechanical piping, heating units, plumbing fixtures and trim, and other mechanical items made obsolete by the new work.

Protect the structure, furnishing, finishes, and adjacent materials not indicated or scheduled to be removed.

Provide and maintain temporary partitions or dust barriers adequate to prevent the spread of dust and dirt to adjacent areas.

Locate identify, and protect mechanical and electrical services passing through remodelling or demolition area and serving other areas required to be maintained operational. When transit services must be interrupted provide temporary services for the affected.

1 04 02 05 Cleaning

The inside of the rooftop air conditioners, ducts, plenums, Tanks and casing shall be thoroughly cleaned of all debris and blown free of all small particles of rubbish and dust and then shall be vacuum cleaned before installing outlet faces. Equipment shall be wiped clean, with all traces of oil, dust, or paint spots removed.

Before any part of the piping system is tested and put into operation, the system shall be thoroughly cleaned and blown out with compressed air or city water to remove all sand, scale and dirt, and shall be flushed and drained until all foreign matter has disappeared. Temporary bypass shall be provided for all water coils to prevent flushing water from passing through the coils.

Refrigerant piping shall be blown to be clear of free moisture and foreign matter with compressed air or nitrogen.

This piping procedure shall be done in the presence of the Engineer and to his satisfaction.

Temporary filters shall be provided for all fans that are operated during construction and new filters shall be installed after all construction dirt has been vacuum cleaned. It shall be the responsibility of the contractor to maintain the system in this clean condition until preliminary handing-over.

1 04 02 06 Painting

The contractor shall be responsible for painting all equipment, which is not factory, painted. Pipe fittings, and all metallic parts shall be painted in accordance with the relevant standards. All items shall be coated with one priming coat, one intermediate coat and one finishing coat of paint. Prior to application of the paint the base surface shall be cleaned, degreased and derusted. Any portion of the primed surfaces damaged in delivery or during construction shall be recoated. See section 09900 Painting.

Colour samples for Pipe work installed within plant rooms shall be submitted for approval.

Galvanized metallic finishes shall not be coated.

Pipes and other metallic parts that are required to be insulated shall be protected by corrosion-proof protective priming coat.

Nameplates, tags, labels, stainless steel or chromium-plated items shall not be painted.

1 04 02 07 Spare Parts

The contractor shall submit to the Engineer for the approval a list of the following spare parts, which shall be ordered at the same time as the main equipment items;

One set of belts and bearing for each fan, whether independent or contained in an air conditioner

One spare motor of each type of motors used in the rooftop air conditioners.

For each filter installed in the building, enough filtering material for one year of operation.



A complete load of refrigerant for one of the refrigeration circuits and accessories.

Sufficient quantity of chemical for initial system starts up and for preventative maintenance for one year from Preliminary-Handing Over.

Necessary spare parts for plumbing systems.

Necessary spare parts for fire protection systems.

The contractor will not be allowed to use these spare parts or tools during the years of guarantee.

1 04 02 08 Tools

The contractor shall supply and install at the locations designated by the Engineer, a complete set of tools necessary for the proper operation and maintenance of each piece of equipment supplied. including a complete set of wrenches.

The tools shall be installed in a sheet metal cabinet provided with a lock.

1 04 02 09 Framed Instruction Plates

Approved wiring and control diagrams, showing the complete layout of the entire system, including equipment, piping, valves and control sequence, framed under glass or in approved laminated plastic, shall be posted. In addition, condensed operating instructions explaining preventive maintenance procedures, methods of checking the system for normal safe operation, and procedures for safely starting and stopping the system shall be prepared in typed form, framed as specified above for the wiring and control diagrams and posted beside the diagrams. Proposed diagrams, instructions, and other sheets shall be posted before acceptance testing of the systems. The framed instructions shall be printed in both English and Arabic.

1 04 02 10 Instruction Course

After preliminary handing-over, the contractor shall operate an instruction course for the Owner’s personnel assigned to the mechanical systems operation and maintenance. The course shall be delivered by one or more graduate Engineers with the assistance of an Arabic interpreter if required. The instruction manual shall be used as a textbook and the contractor shall make sure that every item has been thoroughly covered and understood.

1 05 SubmittalsThe attention of the contractor is drawn to the quality of the materials and equipment to be

installed in the project. The contractor shall submit for approval of the Engineer the documents specified hereinafter; this shall be done as soon as practical after the award of the contract and in all case prior to any shipments to the site. Acceptance of these documents shall not relieve the contractor from his responsibility to supply adequate materials and equipment; it shall further not be construed as acceptance of the materials or equipment items proper and shall not restrict the right of the Engineer to reject equipment and materials after unsatisfactory installation or testing.

1 05 01 Product Data

The contractor shall submit to the Engineer for approval a complete list or materials and equipment to be included in the works, with the corresponding manufacturer’s data, catalogues and statement of conformance with these specifications. The list of materials and equipment shall be supported by sufficient descriptive materials, such as catalogues, cuts, diagrams, performance curves, charts, layout drawings, and other data published by the manufacturer, to demonstrate compliance to the specification requirement; model numbers alone will not be acceptable. The data shall also include the name and address of the nearest service and maintenance organisation that regularly stocks repair parts. Listing of items that function as part of an integrated system shall be furnished at the same time. Where materials or equipment are specified to conform to requirements of applicable standards, the contractor shall submit proof of such compliance.



Catalogues, model and serial numbers will be assumed to represent equipment complying with the project documents unless otherwise stated.

Unreviewed material and equipment shall be replaced when directed, if installed prior to review by the Engineer.

Provide data for:

01.0 Pumps, pump characteristic curves.

02.0 Schedule of pipe, fittings, and valves, manufacturer and catalogue number.

03.0 Specialities, valves, gauges and thermometers.

04.0 Foundations, supports, hangers, inserts.

05.0 Expansion loops, expansion joints, guides, and anchors.

06.0 Installation of all equipment.

07.0 Ventilation and air conditioning equipment, specialities and their control systems.

08.0 Fans, fan characteristic curves, fan tests.

09.0 Damper, louvers, grilles, registers, diffusers.

10.0 Wiring diagrams, control panelboards, motor starters and controls for electrically operated equipment furnished by mechanical trades.

11.0 Special products furnished by mechanical trades.

12.0 Openings, special framing and access doors.

13.0 Isolation mounting.

14.0 Pressurisation units for chilled water system.

15.0 Heating equipment, electric heaters and accessories.

16.0 Data for testing and balancing of the heating, air conditioning and ventilating system.

17.0 Installation instructions - submit manufacturer’s printed installation instructions for products specified to be installed in accordance with manufacturer’s instructions.

18.0 Data for all sanitary fixtures (dimensions, holes and foundations).

19.0 Data for fire fighting systems with all requirements and connections.

1 05 02 Shop Drawings

01.0 Shop drawings shall be submitted for all equipment and systems within the period indicated in the Project Documents.

02.0 Manufacturer’s model numbers, sizes and types need only be submitted as “shop drawings” when the basic specifications of materials and equipment are provided, unless otherwise directed by the Engineer.

03.0 Any constructions and/or design changes as a result of any approved substitutions shall be made at no additional cost.

04.0 composite shop drawings (1:50 scale) as required by the Engineer shall be provided for sections where the contractor’s proposed installations are at variance with contract drawings or specifications. Also, provide composite drawings for:

a- Mechanical equipment rooms.

b- Service shafts and suspended ceiling areas where used as service corridors.

05.0 Dimensioned layouts, elevations and sections of the following shall be indicated on composite shop drawings:



-Ductwork

-Piping and valves

-Raceway and cable trays

-Lighting

-Equipment

-Connections

-Access for servicing

-Building construction (floor, ceiling, beams and columns)

-Equipment platform.

06.0 Before submitting shop drawings and samples, material and equipment shall be checked against drawings for following:

-Clearance

-Connections

-Accessibility

-Servicing

-Maintenance

07.0 Layout and composite shop drawing shall be co-ordinated with other trades and marked “APPROVED FOR COORDINATION” and signed by the general contractor and all subcontractors.

08.0 Shop drawings shall be submitted with:

-Marked notation of any deviations and reasons for it. Such deviations shall be indicated in a conspicuous manner including component and system variations, suspended ceiling height and headroom conditions.

-Manufacturer’s specifications including: materials, type, performance, characteristics, voltage, phase, weight and capacity.

-Certified dimensional drawings or catalogues, indicating sizes, component parts and installation.

-Wiring diagrams where applicable.

1 05 03 Samples

01.0 The Contractor shall submit to the Engineer, as required, samples and names of manufacturers of the materials for approval prior to ordering in accordance with the submittal procedure.

02.0 Samples of materials to be sued in the works shall be delivered to the Engineer free of charge for this approval before the work is commenced with, and shall be truly representative in all respects of the materials supplied.

03.0 All samples shall be retained until the completion of the Contract.

04.0 All materials shall be subject to testing from time to time as the Engineer may direct, and any materials that does not comply with the full details set forth in the specification or falls below the standard of the provisionally accepted materials, shall be immediately removed from the site of the works by the Contractor at the Contractor’s own expense.

05.0 Additional samplings and tests for materials to be developed are described in the other specification sections of division 15 or bills of Quantities and should be given special attention.



1 05 04 Quality Control

1 05 04 01 General

The contractor shall submit at the commencement of the work a “ Quality control method statement explaining the following

01.0 Name, Qualification of the person in charge about the quality control on site.

02.0 All procedures of quality control at construction stage at delivery and store of internal and at final stage of construction.

03.0 Written inspection or test report shall include:

-Name of the testing agency or test laboratory if needed.

-Complete inspection or test data.

-Test result.

-Interpretations.

-Recommendations.

04.0 If required name and qualification of the independent agency to be employed for testing.

1 05 04 02 Test Certificate

The label or listing of the specified agency will be acceptable evidence. In lieu of the label or listing, the contractor may submit a written certificate from an approved, nationally recognised testing organisation adequately equipped and competent to perform such services, stating that the items have been tested and that the units conform to the requirements, including the methods of testing of the specified agency.

Prior to delivery of any material to jobsite. The contractor shall submit to the Engineer a certificate conforming that the quality of products to be supplied by particular manufacturer or company complies with the standard as required by the project documents.

1 05 04 03 Record Drawings

Prints shall be kept in the site office as a permanent record. All deviations from the Project Documents due to site co-ordination, variation, modifications or addenda shall be recorded on such prints in coloured pencil at time of occurrence on a daily basis.

Dimensions for underground utilities from permanent identifiable structural points, shall be indicated.

Record drawings shall be available for the Engineer’s periodic inspection and shall be submitted for review with the as-built drawings.

1 05 05 Handing Over Submittals

1 05 05 01 As-Built Drawings

At completion of the work, and before final payment, a complete set of transparent copies of the contract drawings shall be secured and revised to conform to the record drawings. Additional copy shall be submitted on compact disk (CDROM)

Major deviations shall be conspicuously indicated in mechanical equipment rooms by specific reference to shop drawings of these rooms and transparent copies of such shop drawings with the as-built transparent copies shall be submitted.

On sheet metal shop drawings, major deviations of ductwork concealed by constructions in the completed building shall be indicated. Deviations of ductwork in accessible suspended ceiling voids need not be indicated.

On transparent copies of the contract drawings, drain lines, service lines, etc., concealed by construction in the completed building shall be accurately indicated. Upon completion of the work, signed certified transparent copies such as as-built and reference



drawings, along with marked up prints of record drawings, shall be submitted to the Engineer for acceptance.

1 05 05 02 Project Records

Not later than 30 days prior to project handover or placing the equipment into operation the contractor should submit to Engineer the following project records:

01.0 Equipment register records indicating name of equipment, exact place of installation, action code, and Engineer review comments.

02.0 Copy of any factory test certificate. Which has been submitted during delivery.

03.0 Copy of the report of any field test performed to any of the mechanical systems.

04.0 Copy of the project tender documents, specification, drawings, as-built drawings.

05.0 Copy of all record letters pertaining to contract change of scope or amendment to specification requirements.

1 05 05 03 Operation Maintenance Data

1 05 05 03 01 Manuals

01.0 One complete set shall be furnished at the time the test procedure is submitted and the remaining sets shall be furnished before the contract is completed. The following identification shall be inscribed on the covers: “OPERATING AND MAINTENANCE INSTRUCTIONS”. The name and locations of the building, the names of the contractors and the contract number shall be inscribed.

The instruction shall include, but shall not be limited to the following:

-System layout showing piping, valves and controls.

-Approved wiring and control diagrams, with data to explain the detailed operation and control of each component.

-A control sequence describing start-up, operation and shut-down

-Manufacturer’s bulletins, cuts and descriptive data.

-Parts list and recommended spare parts and parts numbers.

-Equipment functions, normal operating characteristics, and limiting conditions.

-Assembly, installation, alignment, adjustment, and checking instructions.

-Operating instructions for startup, routine and normal operation, regulation and control, shutdown, and emergency conditions.

-Lubrication and maintenance instructions.

-Guide to “troubleshooting”.

-Parts lists and predicated life of parts subject to wear.

-Outline, cross section, and assembly drawings, engineering data, and wiring diagrams.

-Test data and performance curves, where applicable.

02.0 The operation and maintenance manuals shall be in addition to any instructions or parts lists packed with or attached to the equipment when delivered, or which may be required by the Contractor.

03.0 Manuals and other data shall be printed in both English and Arabic on heavy, first quality paper, 210mm by 297mm with 4 hole punching. Drawing and diagrams shall be reduced to 210mm by 297mm or 297mm by 431mm. Where reduction is not practicable, larger drawings shall be folded separately and placed in envelopes which are bound into the manuals. Each envelope shall bear suitable identification on the outside.



1 05 05 03 02 Instruction Course

The contractor shall submit a complete method statement for the training course required as per sub paragraph 1 04 02 10 of this section.

The submittal shall include:

-Time Schedule.

-On site training course.

-Final test to ensure all trainees are on the level required.

1 06 Quality Assurance-Arrangement shall be made in contractor’s work and time schedule to allow for testing and

checking of all delivered and installed mechanical works.

-Engineer shall be advised 3 days ahead of the test date.

-All test and inspection shall be recorded in a daily basis & shall available for the engineer no later than 3 days after testing.

-All test and inspection reports shall be arranged to be a part of handing over documents.

1 06 01 Qualifications

Contractor’s site Supervisor for Mechanical works shall have knowledge of referenced standards at least 10 Years of documented experience in Mechanical work, HVAC installation, piping works, Equipment’s installation.

1 06 01 01 Qualification of the Manufacturers

-Firms regularly engaged in manufacture of Equipment under Division 15 of type and capacities required whose products have been in satisfactory use in similar service for not less than 5 years.

-SASO compliance could be an evidence for quality acceptance.

1 06 01 02 Qualification of the Installers

Sub contractor for Mechanical works shall have at least 5 years of documented experience and shall have had successfully completed mechanical works as indicated for the project.

1 06 01 03 Qualification of the Fabricators

- Pipe fitters shall have knowledge of all methods of joining, cutting threading as per referenced standards.

- Duct fabricator shall have knowledge of all duct joints, gauges, and method of fabrication as per referenced standard.

- Steel welders should carry certification of one of the approved laboratories in the Kingdom.

1 06 02 Regulatory Requirements

In addition to all requirements as per specification for the following systems the contractor shall be responsible to verify that products and methods are meeting regulation and requirements of local codes:

01.0 Boilers and pressure vessels

02.0 Material handling Equipment

03.0 Transportation systems

04.0 Air Raid shelter equipment

05.0 LPG systems

06.0 Fire protection systems

07.0 Fuel tanks



1 06 03 Certification

Note: Specify if a third party (an authorised Agency/laboratory) should certify compliance with certain requirements (products or workmanship.

01.0 Submit factory test certificate of all pressure vessels at delivery of this items to site this certificate shall a part of inspection report.

02.0 Submit factory compliance certificate to all items and equipment at delivery of these items or equipment to site and should included in inspection report.

03.0 Submit origin certificate to all steel bars, pipes, and sheet metal.

1 06 04 Quality Control

Failure to detect any defective work or material shall not in any way prevent later rejection when the defect is discovered or shall not it obligate Engineer for final acceptance.

1 06 04 01 Internal Quality Control

Contractor internal quality control shall include but not limited to:

01.0 Checking supplies, test certificates, compliance certificate for all delivered items.

02.0 Checking supplied items for completeness and compliance to specifications and approved materials submittals.

03.0 Checking supplied items to match electrical requirement as per site.

04.0 Checking proper storage of material and equipment’s.

1 06 04 02 External Quality Control

01.0 External test required to document submittals shall be performed by accepted laboratories under contractor’s responsibility. Costs of these services shall be paid by the contractor.

02.0 The work in progress will be inspected and materials, equipment and procedures will be evaluated for quality and acceptability by representatives of the client, designated in the contract documents. Costs of these services will be paid by the client.

03.0 The contractor shall permit and facilitate access of the client’s representatives to the construction sites and the performance of all activities for quality assurances by specifications.

1 06 04 03 Source Quality Control

Equipment, pressure vessels, and materials shall be sampled and tested at the source.

1 07 Delivery, Storage and Handling

1 07 01 Packing and Shipping

01.0 All material and equipment shall be properly packed into the factory by using steel or wooden frames, platforms to prevent any damage, breaking denting and scoring.

02.0 Steel container shall be used if necessary to ensure safe transportation to shipped item.

03.0 Waterproof jacketing shall be used to prevent rain & moisture.

04.0 Plywood shall be used to support products during transportation according to manufacturer recommendation.

05.0 All components mounted on springs or flexible seating shall be firmly fixed in and later released at stage of construction.



1 07 02 Storage and Protection

01.0 Deliver products to project properly identified with names, model numbers, types, grades compliance labels, and similar information needed for distinct identification; adequately packaged and protected to prevent damage during shipment, storage, and handling.

02.0 Store equipment and materials at the site, unless off-site storage is authorised in writing. Protect stored equipment and materials form damage,

03.0 Co-ordinate deliveries of mechanical materials and equipment to minimise construction site congestion. Limit each shipment of materials and equipment to the items and quantities needed for the smooth and efficient flow of installations.

04.0 Fire protective measure as directed by the Engineer shall be provided.

05.0 Materials permitted to be stored within the building shall be safely stacked and shall not overload the floor construction beyond the legally permissible floor loading.

06.0 Do not install any damaged unit or component, replace with new.

1 07 03 Acceptance on Site

-Damaged equipment or components of equipment or any material damaged or out of date shall not be accepted.

-Adequate precautions and measures shall be taken to guard against the possibility of damage.

1 08 Project and Site Conditions

1 08 01 Existing Conditions

Note: Specify the following:-Electrical power characteristic-Existing plants or pipeline or any other utilities the new plant should match with.-Any up normal condition might effect work schedule & the contractor should take into consideration.

1 08 02 Environmental Requirements

1 08 02 01 Dust Control

Suing of all means necessary shall control dust caused by the contractor’s operation on and near work.

1 08 02 02 Pollution Control

01.0 Necessary precautions shall be taken to prevent pollution of ground with fuel, oil, chemicals or other harmful material

02.0 Gasses other than the approved ones shall not be used for testing or purging pipe system.

1 09 Schedules and Programs

Note: Specify requirements for co-ordinating certain works which must be done in special sequence with or at the same time as work in other sections. The particular sequence of event should be specified here.

1 10 Special Warranty

Note: Describe special or extended warranty only (e.g. in landscaping when warranty period depends on growing, periods may be exceeding the normal warranty period).



1 11 Maintenance

1 11 01 Maintenance Service

1 11 01 01 General

As soon as any item is completed and successfully passed the final test the contractor shall be responsible to perform on regular basis the necessary maintenance as per manufacturer recommendation to keep the equipment in the high level condition.

1 11 01 02 Maintenance Period

- The period of maintenance shall mean a period specified in the contract, which starts from the preliminary handover date until the date of the final handover. In case the preliminary handover is divided, the maintenance period of each part shall star form the date of preliminary handover of that part of the work.

- Execution of Repair works

To the intent that the works shall of at or as soon as practicable after the expiration of the period of maintenance be delivered to the client in a generally high level of condition, accepted by the Engineer, and not less than the condition they were in at the time of the beginning of the period of maintenance, except for fair wear and tear, the contractor shall carry out any repair work, amendments, reconstruction or correction of defects as may be required in writing by the supervision engineer during the period of maintenance or at the final handover.

It is understood that the maintenance work does not include repairing defects resulting from normal use of the handed over item, if such defect is not resulting from bad maintenance or execution of work.

1 11 02 Operation Service

Note: Specify if the contractor shall be obliged to run installed equipment, system (e.g. A/C system, elevators, cranes Etc. prior to provisional / final handing over.

1 11 03 Extra Material

Note: Specify if any material or equipment to be handed over by the contractor for future maintenance and repair or testing of the system.



2 Part 2: Products

2 01 EquipmentEquipment are specified in other section of division 15

2 02 Pipes and Fittings01.0 General:

01.1 Extent of pipes and pipefitting required by this section is indicated on drawings and/or specified in other Division-15 sections.

Pipes and pipefitting furnished as part of factory-fabricated

Equipment, are specified as part of equipment assembly in other

Division-15 sections.

01.2 Piping materials: provide pipe and tube of type, joint type, grade, size and weight (wall thickness or class) indicated for each service. Where type, grade or class is not indicated, provide proper selections as determined by Installer for installation requirements, and comply with governing regulations and industry standards.

01.3 Pipe/Tube fittings: provide factory-fabricated fittings of type, materials, grade, class and pressure rating indicated for each service and pipe size. Provide sizes and types matching pipe, tube, and valve or equipment connection in each case. Where not otherwise indicated, comply with governing regulations and industry standards for selections, ad with pipe manufacturer’s recommendations where applicable.

2 02 01 Pipes and Fittings Materials

2 02 01 01 Steel Pipes and Pipe Fittings

Steel pipes and fittings shall comply with the reference standards as follows:

2 02 01 01 01 Black Steel Pipe

ASTM A 53 or ASTM A 106.

2 02 01 01 02 Galvanized Steel Pipe


2 02 01 01 03 Seamless Steel Pipe

ASTM A 53, ASTM A 106, or ASTM A 120.

2 02 01 01 04 Galvanized Seamless Steel Pipe


2 02 01 01 05 Electric-Resistance-Welded Steel Pipe

ASTM A 135.

2 02 01 01 06 Electric-Fusion-Welded Steel Pipe

ASTM A 671; for low pressure and temperature, ASTM A 672; for high pressure and moderate temperature and ASTM A 641; for high pressure and high temperature.

2 02 01 01 07 Stainless Steel Pipe

ASTM A 312; Grade TP 304; for high temperature and general corrosive services.



2 02 01 01 08 Stainless Steel Sanitary Tubing

ASTM A 270; finish number 80.

2 02 01 01 09 Welded and seamless steel pipes high strength, `low alloy

ASTM A 714; Class 4; Grade IV, for pipes up to100 mm.

2 02 01 01 10 Steel Water Pipes

AWWA C200 for pipe 150mm and larger.

2 02 01 01 11 Cast-Iron Flanged Fittings

ANSI B16.1, including bolting.

2 02 01 01 12 Cast-Iron Threaded Fittings

ANSI B16.4.

2 02 01 01 13 Malleable-Iron Threaded Fittings

ANSI B16.3; plain or galvanized as indicated.

2 02 01 01 14 Malleable-Iron Threaded Unions

ANSI B16.39; selected by for proper piping fabrication and service requirements, including style, end connections, and metal-to-metal seats (iron, bronze or brass); plain or galvanized as indicated.

2 02 01 01 15 Threaded Pipe Plugs

ANSI B16.14.

2 02 01 01 16 Steel Flanges/Fittings

ANSI B16.5, including bolting and gasketing, except as otherwise indicated.

2 02 01 01 17 Steel Water Pipes Flanges

AWWA C 207.

2 02 01 01 18 Corrosion-Resistant Cast Flanges/Fittings

MSS SP-51, including bolting and gasketing.

2 02 01 01 19 Forged-Steel Socket-Welding and Threaded Fittings

ANSI B16.11, except MSS SP-97 for threaded reducer inserts; rated to match schedule of connected pipe.

2 02 01 01 20 Wrought-Steel Butt welding Fittings

ANSI B16.9, except ANSI B16.28 for short-radius elbows and returns; rated to match connected pipe.

2 02 01 01 21 Yoloy-Steel Butt welding Fittings

ASTM A 714.

2 02 01 01 22 Stainless Steel Butt welding Fitting

MSS SP-43.

2 02 01 01 23 Cast-Iron Threaded Drainage Fittings

ANSI B16.12.



2 02 01 01 24 Forged Branch-Connection Fittings

Except as otherwise indicated, provide type as determined by Installer to comply with installation requirements.

2 02 01 01 25 Pipe Nipples

Shall be fabricated form same pipes as used for connected pipe.

Do not use less than schedule 80 pipe where length remaining unthreaded is less than 25 mm (1inch), and where pipe size is less than 25 mm (1inch), and do not thread nipples full length.

2 02 01 02 Copper Tube and Fittings

Copper tubes and fittings shall comply with the reference standards as follows:

2 02 01 02 01 Copper Tubes

ASTM B 88; type (wall thickness) as indicated for each service; hard-drawn temper, except as otherwise indicated.

2 02 01 02 02 DWV Copper Tubes

ASTM B 306.

2 02 01 02 03 ACR Copper Tube

ASTM B 280.

2 02 01 02 04 Cast-Copper Solder-Joint Fittings

ANSI B16.18.

2 02 01 02 05 Wrought-Copper Solder-Joint Fittings

ANSI B16.22.

2 02 01 02 06 Cast-Copper Solder-Joint Drainage Fittings

ANSI B16.23.

2 02 01 02 07 Wrought-Copper Solder-Drainage Fittings

ANSI B16.29.

2 02 01 02 08 Cast-Copper Solder-Joint Drainage Fittings

ANSI B16.23; for solvent drainage systems.

2 02 01 02 09 Cast-Copper Flared Tube Fittings

ANSI B16.26.

2 02 01 02 10 Bronze Pipe Flanges/Fittings

ANSI B16.24.

2 02 01 02 11 Copper-Tube Unions

Provide standard products recommended by manufacturer for use in service indicated.

2 02 01 03 Brass Pipe and Fittings

2 02 01 03 01 Red Brass Pipe

ASTM B 43.



Note: Above suitable for use in plumbing, boiler feed lines, and for similar purposes. Available 3 through 300 mm (1/8 through 12 inch); Regular or extra strong weights.

2 02 01 03 02 Cast-Bronze Threaded Fittings

ANSI B 16.15.

Note: Above available in class 125 or class 250.

2 02 01 04 Cast-Iron Pressure Pipes and Fittings

2 02 01 04 01 Ductile-Iron Pipes

01.0 Ductile-iron pipe: AWWA C151/ A 21.51.

02.0 Cement-mortar lining for ductile-iron and grey-iron pipe and fittings for water: AWWA C104 /A 21.4.

03.0 Polyethylene encasement for gray and ductile cast-iron piping: AWWA C150/ A21.5.

2 02 01 04 02 Cast-Iron Fittings

AWWA C110.

01.0 Grey-iron fittings: AWWA C 110.

02.0 Ductile-iron fittings: AWWA C 110.

03.0 Rubber-gasket joints: AWWA C111.

2 02 01 05 Cast-Iron Soil Pipes and Fittings

2 02 01 05 01 Hubless Cast-Iron Soil Pipe

2 02 01 05 02 Cast-Iron Hub-and-Spigot Soil Pipe

ASTM A 74.

2 02 01 05 03 Hubless Cast-Iron soil Pipe Fittings

Neoprene gasket complying with ASTM C 564 and stainless steel clamp holding band.

2 02 01 05 04 Cast-Iron Hub-and-Spigot Soil Pipe Fittings

Match soil pipe units; complying with same standards ASTM A 74.

2 02 01 05 05 Compression Gaskets

ASTM C 564.

2 02 01 05 06 Lead/Oakum Joint Materials

Provide products complying with governing regulations for use in service indicated.

2 02 01 06 Clay Pipes and Pipe Fittings

2 02 01 06 01 Vitrified Clay Pipe

According to SASO 236; strength (SS) except where extra strength (XS) indicated, with resilient gasket joints.

2 02 01 06 02 Perforated Clay Pipe

ASTM C 700; standard strength, unless otherwise indicated.



2 02 01 06 03 Fittings for Clay Pipe

Match clay pipe; provide units produced by same manufacturer, complying with same standards.

2 02 01 07 Concrete Pipes and Pipe Fittings

2 02 01 07 01 Reinforced Concrete Pipe (RCP)

ASTM C 76, Class as indicated with modified tongue-and-groove compression gasket joints complying with ASTM C443.

2 02 01 07 02 Concrete Pipe

ASTM C14, Class 2, unless otherwise indicated.

2 02 01 07 03 Concrete Cylinder Pipe (CCP)

Shall be designed and manufactured in accordance with standard AWWA C300. The pipe consists of steel cylinder helically wrapped with mild steel red and lined and coated with dense cement mortar and easily assembled water tight joint is provided by bell and spigot steel joint rings welded to the ends of the cylinder and sealed with a confined round rubber rings.

2 02 01 07 04 Prestressed Concrete Cylinder Pipes (PCCP)

PCCP is designed and manufactured in accordance with standard AWWA C 301.

2 02 01 07 05 Fittings for Concrete Pipe

Match concrete pipe; provide units produced by same manufacturer, complying with same standards.

2 02 01 08 Plastic Pipes and Fittings

2 02 01 08 01 Acrylonitrile-Butadiene-Styrene Pipe (ABS)

ASTM D 1527 Schedule 40 and 80.

2 02 01 08 02 Polybutylene Pipe (PB)

ASTM D 2662.

2 02 01 08 03 Polybutylene Hot-and Cold-Water Pipe (PB)

ASTM D 3309.

2 02 01 08 04 Polybutylene Pipe (PB)

ASTM D 2104 Schedule 40.

2 02 01 08 05 Polyvinyl Chloride Pipe (PVC)

ASTM D 1785. Schedule 40, 80.

2 02 01 08 06 Polyvinyl Chloride Water Pipe (PVC)

AWWA C900.

2 02 01 08 07 Polyvinyl Chloride Sewer Pipe (PVC)

ASTM D 2729.

2 02 01 08 08 Polyvinyl Chloride Drain, Waste, and Vent Pipe (PVC)

2 02 01 08 09 Chlorinated Polyvinyl Chloride Pipe (CPVC)

ASTM F 441.



2 02 01 08 10 Fibreglass Reinforced Epoxy Pipe (FRE)

ASTM D 2310.

2 02 01 08 11 ABS Pipe Fittings

01.0 Schedule 40 socket: ASTM D 2468.

2.0 Schedule 80 socket.

3.0 Schedule 80 threaded.

04.0 Solvent cement: ASTM D 2235.

05.0 Solvent cement (to Join ABS to PVC): ASTM D 3138.

2 02 01 08 13 FRE Pipe Fittings

Mechanically fastened union-type non-threaded couplings with “O” ring seals.

2 02 01 08 14 PB Fittings

SDR 11 socket: ASTM D 3309.

2 02 01 08 15 PE Fittings



03.0 Schedule 80 threaded: ASTM D 2464.

04.0 DWV socket.

05.0 Sewer socket: ASTM D 2729.


07.0 Solvent cement (To Join PVC TO ABS): ASTM D 3138.

2 02 01 08 16 PVC Fittings

01.0 Schedule 40 socket: ASTM F 438.


2 02 01 09 Plastic Tubing and Tube Fittings

2 02 01 09 01 Polybutylene Tubing (PB)

ASTM D 2666.

2 02 01 09 02 Polybutylene Hot-and Cold-Water Tubing (PB)

ASTM D 3309

2 02 01 09 03 Polyethylene Tubing (PE)

2 02 01 09 04 Polyvinyl Chloride Tubing (PVC)

2 02 01 09 05 PB Fittings

01.0 Socket fusion: ASTM D 3309.

02.0 Compression: as recommended by manufacturer.

03.0 Mechanical-type: as recommended by manufacturer.

2 02 01 09 06 PF Fittings



Insert: ASTM D 2609.

2 02 01 09 07 PVC Fittings

ASTM D 2609

2 02 01 10 Acid-Resistant Pipes and Pipes Fittings

2 02 01 10 01 Cast-Iron Pipe

Acid-resistant, high-silicon cast-iron pipe of type indicated, complying with

ASTM A518.

2 02 01 10 02 Lead Pipe

Acid-resistant chemically pure, hard lead, with 7% antimony.

2 02 01 10 03 Fittings for Acid-Resistant Pipe

Provide fittings matching pipe, and with equal-or-better acid resistance, comply with same standards where applicable. Unless otherwise indicated, provide fittings produced by manufacturer of pipe, and recommended for service indicated.

2 02 02 Grooved Piping Products

2 02 02 01 General

Grooved pipe couplings and fittings shall be used for piping systems having operating condition 110ºC not exceeding 230ºC excluding steam piping and any other service not recommended by the manufacturer, in lieu of welded, flanged or threaded methods, and may be used as unions, seismic joints, flexible connections, or vibration reducers.

2 02 02 02 Coupling Housing

01.0 Grooved mechanical type, which engages grooved or shouldered pipe ends, encasing an elastomeric gasket which bridges pipe ends to create. Cast in two or more parts, secure together during assembly with nuts and bolts.

02.0 Permit degree of contraction and expansion as specified in manufacturer’s latest published literature.

03.0 Coupling housing shall be of the follows:

03.1 Malleable iron.

03.2 Ductile iron conforms to ASTM A 536.

04.0 Gaskets: mechanical grooved coupling design, pressure responsive so that internal pressure serves to increase seal’s tightness, constructed of elastomeric having properties as designated by ASTM D 2000.

04.1 Water services: EDPM Grade E, with green colour-code identification.

04.2 Other services: as recommended by Manufacturer.

05.0 Bolts and nuts.

05.1 Heat-treated carbon steel.

05.2 In exposed locations tamper resistant nuts shall be used.

06.0 Fittings: grooved or shouldered end design to accept grooved mechanical couplings.

06.1 Malleable iron.

06.2 Ductile iron.

07.0 Grooves: conform to the following:

07.1 Standard steel: square cut.



07.2 Lightweight steel: roll grooved.

07.3 Cast iron: radius cut grooved, AWWA C 606.

2 02 03 Miscellaneous Piping Materials/ Products

2 02 03 01 Welding Materials

Except as otherwise indicated, provide welding materials to comply with installation requirements.

Comply with ASME Section II C SFA 5.8 for welding materials.

2 02 03 02 Soldering Materials

Except as otherwise indicated, provide soldering materials as determined by Installer to comply with installation requirements.

01.0 Tin-Lead solder: ASTM B 32, Grade 50A, For copper drainage piping.

02.0 Tin-Lead solder: ASTM B 32, Grade 95 TA.

03.0 Silver-Lead solder: ASTM B 32, Grade 96 TS.

2 02 03 04 Brazing Materials

Except as otherwise indicated, provide brazing materials as determined by Installer to comply with installation requirements.

Comply with ASME Section II C SFA 5.8 for brazing filler metal materials.

2 02 03 05 Gaskets for Flanged Joints

ANSI B16.21; full-faced for cast-iron flanges; raised-face for steel flanges, unless otherwise indicated.

2 02 03 06 Piping Connectors for Dissimilar Non-Pressure Pipe

Elastomeric annular ring insert, or elastomeric flexible coupling secured at each end with stainless steel clamps, sized for exact fit to pipe ends.

2 02 03 07 Piping Connectors for Pressure Pipes

2 02 03 07 01 Mechanical Coupling and Stepped Coupling

01.0 According to ISO 161/1.

02.0 Materials:

02.1 Up to 150mm diameter.

Body: malleable cast-iron or rolled steel. Gland rings: malleable cast iron or ductile iron.

02.2 Above 150mm: rolled steel a ductile iron.

2 02 03 07 02 Flange Adapters

01.0 According to ISO/161/1.

02.0 Materials:

02.1 Up to 150mm diameter

Body: ductile iron, grey cast iron. Gland ring: malleable cast iron, ductile iron.

02.2 Above 150mm to 350mm diameter

Body: grey cast iron, ductile iron. Gland ring: rolled steel or ductile.

02.3 Above 350mm diameter

Body: mild steel or ductile iron. Gland ring: rolled steel a ductile iron.



2 02 03 07 03 Gaskets, Fasteners and Coating

01.0 Elastomeric gasket: EPDM.

02.0 Flange gasket: EPDM.

03.0 Fasteners (Screws): BI chrome plated, electrogalvanized steel or stainless steel.

04.0 Protective coating: fusion bonded epoxy average thickness 250 microns.

2 02 04 Valves

01.0 Description of work: valves specified in this section include general duty valves commons to most piping systems, special purpose valves are specified in individual piping system specifications.

02.0 General: comply with ASME B 31.9 for building services piping and ASME B 31.1 for power piping.

03.0 Valve design: valves shall have rising stem or rising outside screw and yoke stems; except, non-rising stem valves may be used where headroom prevents full extension of rising stems.

04.0 Pressure and temperature ratings: as scheduled and required to suit system pressure and temperatures.

05.0 Sizes: unless otherwise indicated, provide valves of same size as upstream pipe size.

06.0 Operators:

06.1 Hand wheels fastened to valve stem, for other than quarter turn.

06.2 Lever handle on quarter-turn valves 150 mm and smaller, except for plug valves. Provide one wrench for every 10 plug valves.

06.3 Chain-wheel operators for valves, 65 mm and larger install 10mm or higher above finished floor elevation. Extend chains to an elevation of 1500 mm above finished floor elevation.

06.4 Gear drive operators on quarter-turn valves 200 mm and larger.

07.0 Extended stem: where insulation is indicated or specified, provide extended stems arranged to receive insulation.

2 02 04 01 Gate Valves

1.0 Gate valves – 50 mm and smaller

01.1 MSS SP-80; Class 125, body and bonnet of ASTM B 62 cast bronze, threaded or solder ends, solid disc, copper-silicon alloy stem, brass packing gland, “Teflon” impregnated packing, and malleable iron hand wheel. Class 150 valves meeting the above shall be used where pressure requires.

01.2 MSS SP-80; Class 150, body and union bonnet of ASTM B 62 cast bronze, threaded or solder ends, solid disc, copper-silicon alloy stem, brass packing gland, “Teflon” impregnated packing and malleable iron hand wheel. Do not use solder end valves for hot water heating or steam piping.

02.0.Gate valves – 65 mm and larger

MSS SP-70; Class 125 iron body, bronze mounted, with body and bonnet conforming to ASTM A 126 Class B, flanged ends, and “Teflon” impregnated packing and two-piece backing gland assembly.

2 02 04 02 Ball Valves

01.0 Ball valves – 25 mm and smaller

Rated for 1034 K Pascal (150 psi) saturated steam pressure, 2758 K Pascal (400 psi) WOG pressure; 2-piece construction, bronze body conforming to ASTM B 62, standard (or regular) port, chrome-plated brass ball, replaceable “Teflon” seats and seals, blowout proof stem, and vinyl-covered steel handle. Provide



solder ends for condenser water, chilled water, and domestic hot and cold water service; threaded ends for heating water and low pressure steam.

2.0 Ball Valve –32 mm to 50 mm

Rated for 1034 K Pascal (150 psi) saturated steam pressure, 2758 K Pascal (400 psi) WOG pressure; 3-piece construction, bronze body conforming to ASTM B 62, conventional port, chrome-plated brass ball, replaceable Teflon seals, blowout proof stem, and vinyl-covered steel handle. Provide solder ends for condenser water, chilled water, and domestic hot and cold water service; threaded ends for heating water and low pressure steam.

2 02 04 03 Plug Valves

01.0 Plug valves –50mm and smaller

1034 K Pascal (150psi) WOG, bronze body, straightway pattern, square head, and threaded ends.

02.0 Plug valves-65mm Inch and Larger

MSS SP-78; 1207 K Pascal (175psi), lubricated plug type, semi-steel body, single gland, wrench operated, and flanged ends.

2 02 04 04 Globe Valves

01.0 Globe valves – 50 mm and Smaller

01.1 MSS SP-80; Class 125, body and screwed bonnet of ASTM B 62 cast bronze, threaded or solder ends, brass or replaceable composition disc, copper-silicon alloy stem, brass packing gland, “Teflon” impregnated packing, and malleable iron hand wheel. Class 150 valves meeting the above shall be used where pressure requires.

01.2 MSS SP-80; Class 150, body and union bonnet of ASTM B 62 cast bronze, threaded ends, brass or replaceable composition disc, copper-silicon alloy stem, brass packing gland, “Teflon” impregnated packing and malleable iron hand wheel.

02.0 Glove valves – 65 mm and Larger

MSS SP-85; Class 125 iron body and bolted bonnet conforming to ASTM A 126, Class B; outside screw and yoke, bronze mounted, flanged ends, and “Teflon” impregnated. Packing and two-pieces gland assembly.

2 02 04 05 Butterfly Valves

01.0 Butterfly valves – 65 mm and Larger

MSS SP-67; 1379 K Pascal (200 psi), cast iron body conforming to ASTM A 126, Class B. Valves shall have field replaceable EPDM sleeve, with nickel-plated ductile iron disc (except valves installed in condenser water piping which shall have aluminium bronze disc), stainless steel stem, and EPDM O-ring stem seals. Sizes 150 through 200 mm (6 through 8 inches) shall have lever operators with locks, and sizes 200 through 600 mm (8 through 24 inch) shall have gear operators with position indicator. Valves on dead end service or requiring additional body strength shall be lug-wafer type, drilled and tapped.

2 02 04 06 Check Valves

01.0 Swing check valves 50mm and smaller

01.1 MSS SP-80; Class 125, cast bronze body and cap conforming to ASTM B 62, horizontal swing, Y-pattern, with a bronze disc, and having threaded or solder ends.

01.2 MSS SP-80; Class 150, cast bronze body and cap conforming to ASTM B 62, horizontal swing, Y-pattern, with a bronze disc, and having threaded ends

02.0 Swing check valves 65 mm and larger



MSS SP-71; Class 125 (Class 175 FM approved for fire protection piping systems), cast iron body and bolted cap conforming to ASTM A 126, Class B; horizontal swing with a bronze disc or cast iron disc with bronze disc ring, and flanged ends.

03.0 Wafer check valves

Class 250, cast iron body, replaceable lapped bronze seat, lapped and balanced twin bronze flappers and stainless steel trim. Valve shall be designed to open and close at approximately one-foot differential pressure. Twin flappers shall be loaded with a stainless steel torsion spring to minimise flapper drag and assure even non-slam checking action.

04.0 Lift check valves 50 mm and smaller

Class 125, cast bronze body and cap conforming to ASTM B 62, horizontal or angle pattern, lift type valve, with stainless spring, bronze disc holder with renewable “Teflon” disc, and threaded ends.

2 02 05 Piping Specialities

2 02 05 01 Pipe Escutcheons

Provide pipe escutcheons with inside diameter closely fitting pipe outside diameter, or outside of pipe insulation where pipe is insulated. Select outside diameter of insulation where pipe is insulated. Select outside diameter of escutcheon to completely cover pipe penetration hole in floors, walls, or ceilings; and pipe sleeve extension, if any. Furnish pipe escutcheons with nickel or chrome finish for occupied areas, prime paint finish for unoccupied areas.

2 02 05 01 01 Pipe Escutcheons for Moist Areas

Shall be for waterproof floors, and areas where water and condensation can be expected to accumulate, provide cast brass or sheet brass escutcheons, solid or split hinged.

2 02 05 01 02 Pipe Escutcheons for Dry Areas

Provide sheet steel escutcheons, solid or split hinged.

Install pipe escutcheons on each pipe penetration through floors, walls, partitions, and ceilings where penetration is exposed to view; and on exterior of building. Secure escutcheon to pipe or insulation so escutcheon covers penetration hole, and is flush with adjoining surface.

2 02 05 02 Strainers

2 02 05 02 01 Low pressure Y-Type Pipeline Strainers

Comply with FCI 73-1. Provide strainers full line size of connecting piping, with ends matching piping system materials. Select strainers for 862 K Pascal (125 psi) working pressure, with Type 304 stainless steel screens, with 36 perforations per square centimetre, 1.2mm diameter each.

2 02 05 02 02 High Pressure Y-TYPE Pipeline Strainers

01.0 Provide strainers full line size of connecting piping, with ends matching piping system materials. Select strainers for 1724 K Pascal (250 psi) working pressure, with Type 304 stainless steel screens, with 36 perforations per square centimetre, 1.2mm diameter each.

02.0 Threaded ends, 50 mm and smaller: cast-iron body, screwed screen retainer with centred blowdown fitted with pipe plug.

03.0 Flanged ends, 65 mm and larger: cast-iron body, bolted screen retainer with off-centre blowdown fitted with pipe plug.

04.0 Butt-welded ends, 65mm and larger: schedule 40 cast carbon steel body, bolted screenretainer with off-centre blowdown fitted with pipe plug.



05.0 Grooved ends, 65mm and larger: tee pattern, ductile-iron or malleable-iron body and access end caps, access coupling with EDPM gasket.

2 02 05 03 Vandal-Proof Vent Caps

Provide cast-iron vandal proof caps, full size of vent pipe, caulked base connection for cast-iron pipes, threaded base for steel pipes.

2 02 05 04 Dielectric Unions

Provide standard products recommended by manufacturer for use in service indicated which effectively, isolate ferrous from non-ferrous piping (electrical conductance), prevent galvanic action, and stop corrosion.

2 02 05 05 Mechanical Sleeve Seals

Modular mechanical type, consisting of interlocking synthetic rubber links shaped to continuously fill annular space between pipe and sleeve, connected with bolts and pressure plates which cause rubber sealing elements to expand when tightened, providing watertight seal and electrical insulation.

2 02 05 06 Fire Barrier Penetration Seals

Provide seals for any opening through fire-rated walls, floors, or ceilings used as passage for mechanical components such as piping or ductwork.

01.0 Cracks, voids, or holes up to 100 mm (4 inches) diameter: use putty or caulking, one-piece intumescent elastomere, non-corrosive to metal, compatible with synthetic cable jackets, and capable of expanding 10 times when exposed to flame or heat, UL-listed.

02.0 Openings100 mm (4 inches) or bigger: use sealing system capable of passing 3-hour fire test in accordance with ASTM E-814, consisting of wall warp or liner, partitions, and end caps capable of expanding when exposed to temperatures of 121 to 177ºC (250 to 350 ºF)

2 02 05 07 Water Hammer Arresters

Provide bellows type water hammer Arresters, stainless steel casing and bellows, pressure rated for 1724 K Pascal (250 psi), tested and certified in accordance with Standard PDI WH 201.

2 02 05 08 Fabricated Piping Specialities

2 02 05 08 01 Drip Pans

Provide drip pans fabricated from corrosion-resistant sheet metal with watertight joints, and with edges turned up 65mm. Reinforce top, either by structural angles or by rolling top over 6mm steel rod. Provide hole, gasket, and flange at low point for watertight joint and 25mm drain line connections.

2 02 05 08 02 Pipe Sleeves

Provide pipe sleeves of one of the following:

01.0 Sheet- Metal: shall be fabricated from galvanized sheet metal; round tube closed with snap-lock joint, welded spiral seams, or welded longitudinal joint. Fabricate form the following gages: 75 mm (3 inches) and smaller, 20 gauge, 100 to 150 mm (4 to 6 inches), 16 gauge, and over 150 mm (6 inches), 14 gauge.

02.0 Steel pipe: shall be fabricated from Schedule 40 galvanized steel pipes; remove burrs.

03.0 Iron pipe: shall be fabricated from cast-iron or ductile-iron pipe; remove burrs.

04.0 Plastic pipe: shall be fabricated from Schedule 80 PVC plastic pipes; remove burrs.



2 02 05 09 Sleeve Seals

Provide sleeve seals for sleeves located in foundation walls below grade, or in exterior walls, of one of the following:

01.0 Lead and Oakum: caulked between sleeve and pipe.

02.0 Mechanical sleeve seals: Installed between sleeve and pipe.

03.0 Install sleeve seals in accordance with the following:

03.1 Lead and Oakum: fill and pack annular space between sleeve and pipe with oakum, caulk with lead, on both sides.

2 02 06 Meters and Gauges

2 02 06 01 Glass Thermometers

01.0 Provide glass thermometers of materials, capacities, and range indicated, designed and constructed for use in service indicated.

02.0 Case: Die cast aluminium finished in baked epoxy enamel, glass front, spring secured, 225 mm (9 inches) long.

03.0 Adjustable joint: Die cast aluminium, finished to match case, 180º adjustment in vertical plane, 360º adjustment in horizontal plane, with locking device

04.0 Tube and capillary: mercury filled, magnifying lens, 1% scale range accuracy, shock mounted.

05.0 Scale: satin faced, non-reflective aluminium, permanently etched markings.

06.0 Stem: copper-plated steel, or brass for separable socket, length to suit installation.

07.0 Range:

Hot water: 0º - 160 ºC with 2 ºC scale divisions.

Chilled water: 0º - 100 ºC with 1 ºC scale divisions.

2 02 06 02 Direct Mount Dial Thermometer

01.0 Type: vapour tension, universal angle.

Case: drawn steel or brass, glass lens, 113 mm (4½ inches) diameter.

02.0 Adjustable joint: Die cast aluminium, 180º adjustment in vertical plane 360 º adjustment in horizontal plane, with locking device.

Thermal Bulb: copper with phosphor bronze Borden pressure tube, one scale division accuracy.

03.0 Movement: brass precision geared.

04.0 Scale: progressive, stain faced, non-reflective aluminium, permanently etched marking.

05.0 Stem: copper-plated steel, or brass for separable socket, length to suit installation.

06.0 Range:

Hot water: 10º - 115 ºC.

Chilled water: 0º - 80ºC.

2 02 06 03 Remote Dial Thermometers

01.0 Type: vapour tension

02.0 Case: drawn steel or brass, glass lens, 113 mm (4½ inches) diameter. Movement: Brass, precision geared.



03.0 Tubing: bronze double braided armor over copper capillary, length to suit installation.

04.0 Bulb: copper with separable socket for liquids, averaging element for air.

05.0 Accuracy: one scale division.

06.0 Range:

Hot water: 0º -115 ºC (30º - 240ºF).

Chilled water: 0º - 85ºC (30º - 180 ºF).

Air: 0º - 85ºC (30º - 180ºF).

2 02 06 04 Insertion Thermometers

01.0 Type: Bi-metal, stainless steel case and stem, 25 mm (1inch) diameter dial, dust and leak proof, 3 mm (1/8 inch) diameter stem with nominal length of 125 mm (5 inches)

02.0 Accuracy: 0.5 % of dial range.

03.0 Rang:

Hot water: 10º -110 ºC.

Chilled Water: -10º - 110 ºC.

04.0 Well

Provide thermometer wells constructed of brass or stainless steel, pressure rated to match piping system design pressure. Provide 50 mm (2 inches) extension for insulated piping. Provide cap nut with chain fastened permanently to thermometer well.

2 02 06 05 Temperature Gauge Connector Plugs

Provide temperature gauge connector plugs pressure rated for 3447 K Pascal (500 psi) and 90 ºC. Construct of brass and finish in nickel-plate, equipped with 12mm NPS fittings, with self-sealing valve core type neoprene gasketed orifice suitable for inserting 3mm outside diameter. Probe assembly from dial type insertion thermometer. Equip Orifice with gasketed screw cap and chain. Provide extension length equal to insulation thickness, for insulated piping.

2 02 06 06 Pressure Gauges

01.0 General: provide pressure gauges of materials, capacities, and ranges indicated, designed and constructed for use in service indicated.

02.0 Type: general use, 1% accuracy, ANSI B 40.1 Grade A, phosphor bronze Borden type, bottom connection.

03.0 Case: drawn steel or brass, glass lens, 113 mm (4½ inches) diameter.

04.0 Connector: brass with ¼ male NPT. Provide protective siphon when used for steam service.

05.0 Scale: white coated aluminium, with permanently etched markings. Rang: conform to the following:

Vacuum: 750mm Hg - 103 K Pascal (15 psi)

Water: 0 – 690 K Pascal (100 psi)

Steam: 0 – 1379 K Pascal (200 psi)

2 02 06 07 Pressure Gauge Cocks

01.0 General: Provide pressure gauge cocks between pressure gages and gauge tees on piping systems. Construct gauge cock of brass with 6mm female NPT on each end, and “T” handle brass plug.



02.0 Syphon: 6mm Straight coil constructed of brass tubing with 6mm male NPT on each end.

03.0 Snubber: 6mm brass bushing with corrosion resistant porous metal disc. Select disc material for fluid served and pressure rating.

2 02 06 08 Pressure Gauge Connector Plug

Provide pressure gage connector plugs pressure rated for 3447 K Pascal (500 psi) and 93 ºC. Construct of brass and finish in nickel-plate, equipped. With 12mm NPS fittings, with self-sealing valve core type neoprene gasketed orifice suitable for inserting 3mm outside diameter probe assembly from dial type insertion pressure gauge. Equip orifice with gasketed screw cap and chain. Provide extension, length equal to insulation thickness, for insulated piping.

2 02 06 09 Wafer-Type Flow Meters

Provide as indicated, cast-iron wafer-type flow meters equipped with readout valves to facilitate connecting of differential pressure meter to flow meter. Equip. Each readout valve with integral EPT check valve designed to minimise system fluid loss during monitoring process. Provide calibrated nameplate with flow meter detailing its flow range through range of differential head pressure.

2 02 06 10 Calibrated Balance Valves

Provide as indicated, calibrated balance valves equipped with readout valves to facilitate connecting of differential pressure meter to balance valves. Equip. Each readout valve with integral EPT check valve designed to minimise system fluid loss during monitoring process. Provide calibrated nameplate to indicated degree of closure of precision-machined orifice. Construct balancing valve with internal EPT O-ring seals to prevent leakage around rotating element. Provide balance valves with performed polyurethane insulation suitable for use on heating and cooling systems, and to protect balance valves during shipment.

2 02 06 11 Window Flow Meters

Provide window flow meters as indicated, pressure rated for 1034 K Pascal (150 psig), temperature rated for 116 ºC. Construct with glass calibrated tube with indicator ball, bronze body, bronze impact tube, integral self-closing valve, designed to be installed on hydronic piping and measure flow directly with accuracy of +5%.

2 02 07 Piping Supports and Hangers

All hangers, supports, anchors and guides shall be in accordance with the American standard code for pressure piping ASME B-31.1

Furnish acceptable protection or copper plated hangers between ferrous and non-ferrous metal pipe and hangers on all water piping.

2 02 07 01 Horizontal Piping Hangers

Provide one of the following types of hangers for horizontal piping:

01.0 all pipe except copper:

01.1 Except as otherwise specified, provide Clevis type to keep the hanger nut outside the insulation.

01.2 Provide adjustable swivel ring steel band hangers for piping three inches and below in lieu of Clevis hangers.

01.3 Where pipe exceeds maximum loading recommended for type hangers, furnish steel pipe clamp.

01.4 For pipes eight inches and larger and where provision for expansion and contraction is required, provide single pipe roll support with two rods and adjustable swivel pipe-roll with one rod.



01.5 Provide trapeze hangers where several pipes can be installed parallel and at the same level and fabricate from structural steel shapes. Use roller chairs where provision for expansion is required.

01.6 Spacing shall not be farther than the closest interval required for any size pipe supported thereby, or as necessary to prevent damage or failure to the structure

01.7 When trapeze hangers are not shown, furnish shop drawings of installation where there is doubt of the structural capacity for concentrated loads.

02.0 Copper tubing support:

02.1 Hangers touching pipe. Provide copper plated hangers, split – ring extension hanger.

02.2 Hangers on outside of insulation’ furnish same as specified for steel pipe.

03.0 Floor supports. Provide one of the following means of supporting horizontal piping from floor.

03.1 Where bottom of piping is less than 460 mm (1 foot, 6 inches) above finish floor, furnish cast – iron pipe rests, with pipe nipples to suit. Fasten to floor

03.2 Where bottom of pipe is higher than 460 mm (1 foot 6, inches) above finish floor, and / or where provision for expansion is required, furnish pipe – roll stands with or without vertical adjustment as required. Provide concrete piers or unistrut rack and fasten stands to piers of racks.

04.0 Wall supports: Provide one of the following means of supporting horizontal piping from wall

4.1 Furnish steel J-hook for pipe located close to wall, up to 75mm pipe

04.2 For hanger suspension with 280 kg maximum loading, furnish light welded – steel bracket with hole for one rod, 19 mm diameter.

04.3 For pipe – roll stand support, furnish welded – steel bracket, light for 260 kg maximum loading, medium for 560 kg maximum loading, heavy for 1120 kg maximum loading.

2 02 07 02 Vertical Piping Supports

01.0 All pipe except copper.

Vertical pipe supports shall be steel extension pipe-clamps, refer to manufacturer’s rated maximum loading for each size pipe. Bolt clamp securely to pipe, reset clamp-end extension on building structure.

02.0 Copper tubing support.

For uninsulated vertical lines, provide copper tube straps with or two holes for single tube.

2 02 07 03 Beam Clamps

Shall be malleable iron for 9.5-mm hanger rods, forged – steel beam clamp, for hanger rod up to 38 mm.

2 02 07 04 Inserts

01.0 Furnish and set inserts in concrete forms. Provide reinforcing rods for pipe sizes over 75mm or equivalent.

02.0 Concrete inserts shall be as follows

02.1 Black malleable iron universal type for threaded connections with lateral adjustment, for pipe sizes up to 200mm.

02.2 For pipes 200mm and over or equivalent group of pipes on trapeze, use two or more inserts to prevent exceeding maximum loading.



2 02 07 05 Saddles and Shields

01.0 Potable hot water piping saddles: provide saddles on all hot water systems where temperature exceeds 71ºC.

02.0 Vapour barrier sealed piping saddles: provide acoustic saddles, support inserts and support plates. On all insulated piping 100mm (4 inches) or larger having vapour barrier jackets.

03.0 Shields: Furnish 1.2 mm (18-gage) material 200 mm long minimum.

2 03 Pumps01.0 General:

This section specifies general-use centrifugal pumps used in building mechanical system.

01.1 Refer to appropriate Division-15 sections for vibration isolation bases and flexible pipe connectors for pumps.

01.2 Refer to appropriate Division-16 sections for motor starters, disconnects, and wiring of pump motors.

01.3 Compliance: provide electric motor and components, which are listed and labelled by UL, and comply with NEMA MG-1standards.

2 03 01 HVAC Pumps

2 03 01 01 In-Line Booster Pumps

01.0 Type: horizontal, oil-lubricated, designed for 862 K Pascal (125 psi) working pressure, 107 ºC continuous water temperature, and specifically designed for quiet operation.

02.0 Body: cast iron.

03.0 Shaft: steel, polished, integral thrust collar.

04.0 Bearings: two horizontal sleeve bearings designed to circulate oil.

05.0 Seal: mechanical, with carbon seal face rotating against ceramic seat.

06.0 Motor: non-overloading at any point on pump curve, open, dripproof, sleeve bearings, quiet operating, rubber mounted construction, built-in thermal overload protection.

07.0 Coupling self-aligning, flexible coupling.

2 03 01 02 In-Line Circulator Pumps

01.0 Type: horizontal mount, vertical split case, oil-lubricated, designed for 862 K Pascal (125 psi) working pressure, and 107 ºC (225 F) continuous water temperature.

02.0 Body: Cast-iron, with suction and discharge gauge tapping.

03.0 Shaft: Hardened alloy steel.

04.0 Bearings: Oil-lubricated bronze journal bearings.

05.0 Seal: Mechanical, with carbon seal ring and ceramic seat.

06.0 Motor: Non-overloading at any point on pump curve, open, dripproof, oil lubricated journal bearings, resilient mounted construction, built-in thermal overload protection on single phase motors.

07.0 Coupling: Self-aligning, flexible coupling.

08.0 Impeller: Enclosed type, hydraulically and dynamically balanced, and keyed to shaft.



2 03 01 03 Vertical In-Line Pump

01.0 Type: Vertical mount, in-line, close-coupled, single stage, designed for 1207 K Pascal (175 psi) working pressure.

02.0 Shaft: Steel with replaceable shaft sleeve.

03.0 Seal: Mechanical seal with ceramic seal seat.

04.0 Motor: Non-overloading at any point on pump curve, open, dripproof

05.0 Ball bearings, 15,000 hours bearings life, with lifting lug on top of motor.

2 03 01 04 Frame Mounted End Suction Pumps

01.0 Type: Horizontal mount, single stage, vertical split case, flexible coupling, base mounted, designed for 1207 K Pascal (175 psi) working pressure.

02.0 Casing: Cast iron, 862 K Pascal (125 psi) ANSI flanges, tapping for gauge and drain connections.


04.0 Bearings: Regreasable ball bearings.


06.0 Motor: Open, drip-proof, regreasable ball bearings.

07.0 Impeller: Enclosed type hydraulically and dynamically balanced keyed to shaft and secured with locking screw.

08.0 Baseplate: Structural steel with welded cross members, and opened grouting area.

09.0 Coupling: Flexible, of absorbing torsional vibration, equipped with coupling guard.

2 03 01 05 Close-Coupled End Suction Pump

01.0 Type: Horizontal mount, single stage, and vertical split case designed for 1207 K Pascal (175 psi) working pressure.

02.0 Casing: Cast iron, 862 K Pascal (125 psi) ANSI flanges, tapping for gauge and drain connections.



05.0 Motor: Open, drip-proof, regreasable ball bearings.

06.0 Impeller: Enclosed type, hydraulically and dynamically balanced, keyed to shaft and secured with locking screw.

2 03 02 Plumbing Pumps

2 03 02 01 In-Line Recirculation Pumps

01.0 Type: Horizontal, oil-lubricated, designed for 862 K Pascal (125 psi) working pressure, 107ºC continuous water temperature, and specifically designed for quiet operation.

02.0 Body: Bronze or stainless steel construction.

03.0 Shaft: Steel, ground and polished, integral thrust collar.

04.0 Bearings: Two horizontal sleeve bearings designed to circulate oil.

05.0 Seal: Mechanical, with carbon-seal; face rotating against ceramic seat.

1.0 Motor: Non-overloading at any point on pump curve, open drip-proof.

2.0 Sleeve bearings quiet operating; rubber mounted construction, built-in thermal overload protection.



08.0 Coupling: Self-aligning, flexible coupling.

2 03 02 02 Pedestal Type Sump Pumps

01.0 Pump: Centrifugal, semi-open impeller type sump pump, complete with galvanized-steel strainer, cast-iron base plate, suction plate and casing, and cast-iron or bronze impeller.

02.0 Shaft: Stainless steel of length to suit depth of basin, connected with flexible coupling to motor, and intermediate sleeve bearing for lengths over 100 mm (4 inch)

03.0 Motor: Open drip-proof, electrical characteristics as scheduled.

04.0 Basin: Fibreglass construction of indicated dimensions, with inlet connections of size and location as indicated. Maintain minimum of 75 mm depth blew lowest inlet invert.

05.0 Cover Cast iron or steel circular cover with manhole or handhole opening depending on diameter. Provide openings for pump, control rod, and discharge piping.

06.0 Controls: Provide NEMA MG-1 motor-mounted float switch completes with float, float rod, and rod buttons.

2 03 02 03 Submersible Sump Pumps

01.0 Pump: Cast-iron shell, bronze impeller, stainless steel shaft, factory-sealed grease lubricated ball bearings, ceramic mechanical seal, and perforated steel strainer.

02.0 Motor: Hermetically sealed, capacitor-star, with built in overload protection, electrical characteristics as scheduled. Provide 3 meters (10 feet) of 3-conductor PVC cord and moulded grounding plug.

03.0 Controls: Float-operated mercury switch.

2 03 02 04 Water Pressure Booster System

01.0 General: Provide factory-fabricated and tested water pressure booster system consisting of diaphragm type water tank, centrifugal pump, power and control panels, instrumentation, and operating controls. Provide size as indicted, and capacities as scheduled.

02.0 Pump: Provide 2 constant speed, single stage, end-suction design, cast iron bronze fitted centrifugal pumps with mechanical shaft seals. Mount pumps on vibration isolators. Provide temperature probe and electric purge valve immediately upstream of each PRV. Provide drip-proof motors.

03.0 Water Tank: Provide factory-precharged diaphragm type water tank with replaceable flexible membrane. Construct in accordance with ASME Code and provide ASME stamps for 862 K Pascal (125-psi) minimum.

04.0 System Controls:

Maintain system pressure with pilot-operated diaphragm type combination pressure regulating and non-slam check valve on each pump discharge line.

Provide low system pressure switch located on discharge header to sense drop In system pressure, and to activate alarm and automatically start standby pump.

Provide adjustable vane type flow switch to sequence lag pump.

05.0 Control Panel: Provide UL-listed, NEMA MG -1, hinged door, and lockable control panel containing the following for each pump:

-Fused disconnect switch

-Motor starter with 3-leg overload protection

-Running light.



-Multiple position motor control switch.

-Discharge pressure gauge.

-For System

-Control transformer.

-Control power switch

-Inciting lights.

-Relays.

-Visual alarm system

-Suction pressure gauge.

06.0 Prefabrication: Factory-prefabricate booster system, mount all components on common structural stand. Provide interconnecting piping, isolation valve on suction and discharge of each pump, suction and discharge piping manifold, shutoff cocks for gauges and pressure switches, and factory-wiring.

07.0 Factory-Test: Provide electrical and hydraulic test on assembled unit prior to shipment. Provide system operating flow test from 0 to 100% design flow rate at scheduled suction and discharge pressure conditions.

2 03 03 Fire Pumps

01.0 Codes and standards

-Comply with NFPA20

-Comply with FM “approval Guide”

02.0 General: Provide factory-assembled and tested horizontal fire pumps as indicated, and of capacity and electrical characteristics as scheduled.

03.0 Capacities: Provide units capable of delivering not less than 150% of rated flow at not less than 65% rated head; with shutoff head not more than 120% of rated head.

04.0 Factory Tests: Hydrostatical test and run test of each pump prior to shipment. Hydrostatical test at 150% of shut off head plus suction head; but not less than 250 psig.

2 03 03 01 Horizontal Fire Pumps

01.0 Construction: Provide fire pumps of horizontal centrifugal construction single stage or multistage as scheduled, specifically labelled for fire service. Provide cast-iron pump casing with suction and discharge flanges machined to ANSI B16.1 dimensions, of size and pressure rating scheduled. Provide red paint finish.

02.0 Fittings: Provide the following accessories fittings, of pressure rating matching suction or discharge ratings as scheduled:

O2.1Eccentric tapered suction reducer.

02.2 Concentric tapered discharge increaser.

02.3 Hose valves with caps and chains.

02.4 Pump casing relief valve.

02.5 Automatic air release valve.

02.6 Ball drip valve.

02.7 Suction and discharge pressure gages.

02.8 Main relief valve.

03.0 Drivers



* 03.1 Electric motors: provide horizontal, foot mounted, ball bearing, induction motor with open drip-proof NEMA ICS 6 enclosure, have scheduled capacity. Mount motor on steel base common to pump, connected with flexible coupling, and protected by coupling guard. Align pump and motor shafts prior to shipment.

Motor controllers: provide motor controller, UL-listed and FM approved for fire pump service; and service entrance.

- Type: across the line.

- Type: part winding.

- Type: primary resistance reduced voltage starting.

- Mounting: unit mounted on pump base and factory-wired.

Rate controller for scheduled horsepower. Provide controller capable of interrupting short circuit current at least equal to short circuit current in controller supply circuit.

* 03.2 Diesel engines: Provide horizontal shaft open type internal combustion engine for pump driver, of scheduled capacity. Provide the following accessories for automatic operation:

Emergency manual operator, factory-wired, for standby engine starting and operation in case of main controller or wiring malfunction.

Engine cooling system consisting of water lines, pressure regulator, strainer, bypass lines, and fittings; factory-installed.

Flexible exhaust connector.

Residential exhaust silencer.

Engine jacket water heater, factory-installed.

Dual batteries, lead acid storage type.

Fuel system, in compliance with NEPA 20.

Fuel storage tank, of size indicated, with floor legs and direct-reading level gauge.

Engine Controller: Provide unit mounted and factory-wired automatic engine controllers, capable of performing or containing the following features:

Built-in battery charger

Time clock for weekly automatic test.

System pressure recorder.

Timing relay for automatic stop.

Power failure start.

Low fuel level switch.

Pump room alarm audible and visual signals.

2 03 03 02 Vertical Fire Pumps

01.0 Construction: Provide fire pumps of vertical shaft turbine type specifically labeled for fire service. Provide total installed length of pump as indicated. Construct pump head assembly of cast iron, and fit with discharge flange machined to ANSI B16.1 dimensions, of size and pressure rating scheduled. Provide red paint finish.

02.0 Provide vertical hollow shaft motor.

03.0 Provide right angle gear drive.

04.0 Provide water lubricated pump line shaft bearings for water level 15 meter (50 feet) or less.



05.0 Provide oil lubricated pump line shaft bearings. (For water level over 15 meter (50 feet).

06.0 Provide cast-iron pump bowl assemblies with bronze impellers.

07.0 Provide cast or fabricated non-ferrous metal strainer with free area not less than 4-times suction inlet area; with openings sized to restrict passage of object 13mm (1/2-inch) sphere size.

08.0 Fittings: Provide the following accessory fittings, of pressure rating matching suction or discharge ratings as scheduled:

Hose valve test head.

Hose valves with caps and chains.

Automatic air release valve.

Ball drip valve.

Discharge and pressure device.

Water level gauge device.

Main relief valve.

09.0 Drivers

* 09.1 Electric motors: provide vertical hollow shaft induction motor, NEMA ICS 6 enclosure, and have scheduled capacity. Construct motor so that total hydraulic and static thrust of pump’s rotating assembly can be carried by motor thrust bearings. Mount motor directly on pump discharge head assembly for correct shaft alignment. Equip motor with top drive coupling and nut for axial adjustment of pump impellers, and non-reverse ratchet to prevent pump backspin.

-Type: across the line.

-Type: part winding.

-Type: primary resistance reduced voltage starting.

Rate controller for scheduled horsepower. Provide controller capable of interrupting short circuit current at least equal to short circuit current in controller supply circuit.

- Mounting: unit mounted on pump base and factory-wired.

* 09.2 Diesel engines: provide vertical shaft open type internal combustion engine for pump driver, of scheduled capacity. Provide the following accessories for automatic operation:

Emergency manual operator, factory-wired, for standby engine starting and operation in case of main controller or wiring malfunction.

Engine cooling system consisting of water lines, pressure regulator, strainer, bypass lines, and fittings; factory-installed.

Flexible exhaust connector.

Residential exhaust silencer.

Engine jacket water heater, factory-installed.

Dual batteries, lead acid storage type.

Fuel system, in compliance with NFPA 20.

Fuel storage tank, of size indicated, with floor legs and direct-reading level gauge.

Engine controller: Provide unit mounted and factory-wired automatic engine controllers, capable of performing or containing the following features:

Built-in battery charger.

Time clock for weekly automatic test.



System pressure recorder.

Timing relay for automatic stop.

Power failure start.

Low fuel level switch.

Pump room alarm audible and visual signals.

Gear drives: provide engine driven vertical turbine pumps with vertical hollow shaft right angle gear. Direct connect drive to pump shaft and equip with non-reverse ratchet. Connect drive to engine with flex shaft with enclosing guard. Provide drive with provision for adjusting pump impeller lateral setting for proper pump operation and performance.

2 03 03 03 Jockey Fire Pumps

Construction: construct pump with cast iron diffusers and adapter with registered fits to maintain axial alignment; bronze enclosed impellers, bronze casing rings, bronze base bearing; steel clamp type shaft coupling; and stainless steel shaft. Pin impellers to shaft to prevent reverse rotation damage and to maintain proper interstage lateral setting. Provide flanged suction and discharge connections. Provide mechanical seal. Provide cast iron pump base with drain plug. Provide red paint finish.

Motor Controller: Provide motor controller, UL-listed and FM approved for fire pump service.

2 04 Vibration Control01.0 Extent of vibration control work required by this section is indicated on drawings

and schedules, and /or specified in other Division-15 section.

02.0 Vibration control products furnished as integral part of factory-fabricated equipment are specified as part of equipment assembly in other Division-15 sections.

03.0 Refer to the Division-15 sections for equipment foundations, hangers, sealant, gaskets, and other work related to vibration control work.

04.0 Refer to Division 16 for requirements of electrical connections to equipment isolated on vibration control products.

05.0 Refer to other Division-15 sections for requirements of duct connections to air handling equipment isolated on vibration control products.

2 04 01 Fibreglass Pads and Shapes

Glass fibre produced by multiple-flame attenuation process, moulded with manufacturer’s standard filler and binders through 10 compression cycles at 3 times rated load bearing capacity, to achieve natural frequency of not more than 12 Hertz, in thickness and shapes required for use in vibration isolation units.

2 04 02 Neoprene Pads

Oil-resistant neoprene sheets, of manufacturer’s standard hardness and cross-ribbed or waffled pattern.

2 04 03 Vibration Isolation Springs

Wound-steel compression springs, of high-strength spring alloy steel; with spring diameter not less than 0.8 of compressed height of spring at rated loads. Provide minimum additional travel to solid, equal to 50% of rated deflection. Provide spring wire with elastic limit stress exceeding stress at solid deflection.

2 04 04 Pad-Type Isolators

Except as otherwise indicated, provide manufacturer’s standard pad-type isolation unit, fibreglass pads or shapes, or neoprene pads.



2 04 05 Plate-Type Isolators

Laminate pad-type isolator to steel plate.

2 04 06 Double-Plate-Type Isolators

Cement pad-type isolator to either side of 16-gauge shim and cement assembly to load distribution steel plate.

01.0 Where required for anchorage of equipment, include threaded anchor bolt secured to plate and extending through unit, distance sufficient for anchorage of equipment as indicated.

02.0 Include 2 holes in plate for bolting unit to substrate.

2 04 07 Threaded Double-Plate-Type-Isolators

Provide double-plate type isolator, with threaded connection centred in one plate and oversized hole in the other plate.

01.0 Except as otherwise indicated, include threaded insert extending through entire thickness of unit.

02.0 Include 2 bolts in the opposite threaded plate, for bolting unit to substrate.

2 04 08 All Directional Anchors

Provide all-directional acoustical pipe anchor consisting of telescopic arrangement of 2 sizes of steel tubing separated by minimum 10mm thickness of heavy-duty neoprene and neoprene isolation material. Provide vertical restraints by similar material arranged to prevent vertical travel in either direction. Design for maximum 3447 K Pascal (500 psi) load on isolation materials, and provide for equal resistance in any direction. Equip anchor with threaded hole on top and 2 holes in base plate for bolting down; or provide welding provisions top and bottom, if indicated.

2 04 09 Neoprene Mountings

Provide neoprene mountings consisting of neoprene element bonded between 2 steel plates that are neoprene-covered to prevent corrosion. Provide minimum rated deflection of 9mm (0.35 inch). Provide threaded hole in upper plate and 2 hole in base plate for securing to equipment and to substrate.

2 04 10 Spring Isolators, Free Standing

Except as otherwise indicated, provide vibration isolation spring between top and bottom loading plates, and with pad-type isolator bonded to bottom of bottom loading plate. Include studs or cups to ensure centring of spring on plates. Include levelling bolt with lock nuts and washers, centred in top plate, arranged for levelling and anchoring supported equipment as indicated.

Include holes in bottom plate for bolting unit to substrate as indicated.

2 04 11 Spring Isolators, Housed

Expect as otherwise indicated, provide vibration isolation spring between telescoping steel housings with top and bottom loading plates, and with pad-type isolator bonded to bottom of loading plate. Include resilient inserts to separate and guide telescoping housings.

01.0 Equip top loading plate with equipment anchorage as indicated or as required for support and attachment.

02.0 Include pad-type isolator bonded to top of top loading plate, except on units with levelling bolts.

03.0 Include bolts in bottom plate for bolting unit to substrate.



2 04 12 Spring Isolators Vertically-Restrained

Provide springs isolators in housing that includes vertical limit stops. Design housing to act as blocking during erection and with installed height and operating height being equal. Maintain minimum clearance around restraining bolts, and between housing and springs. Design so limit stops are out of contact during normal operation.

2 04 13 Spring Isolators, Earthquake-Restrained

Provide spring isolator assembly, which will resist horizontal and vertical forces in accordance with applicable regional seismic codes.

2 04 14 Seismic Snubber

Provide seismic Snubber; separate form springs isolators, for attachment to equipment base, designed to provide seismic restraint in all modes in accordance with applicable regional seismic codes. Provide Snubber designed to have no contact during normal operation, and have minimum clearances in all directions.

2 04 15 Thrust Restraints

Provide horizontal thrust restraints consisting of spring elements in service with neoprene pad. Select spring deflection same as for equipment loading. Design so thrust restraints can be pre-set and adjusted in field. Attach horizontal restraints at centreline of thrust and symmetrically on either side of unit.

2 04 16 Equipment Rails

Where rails or beams are indicated for use with isolator units to support equipment, provide steel beams complying with ASTM A 36, with minimum depth of 6” or 0.10 x span of beam between isolators (which ever is greater). Provide welded bracket at each end of beams, and anchor each end to spring isolator unit. Provide bolt holes in beams matching anchor bolt holes in equipment. Provide beams of section modulus indicated or, if not indicated, selected for normal-weight equipment loading to limit static load stress to 110320 K Pascal (16,000 psi).

2 04 17 Fabricated Equipment Base

Where supplementary bases are indicated for use with isolator units to support equipment (base not integral with equipment), provide welded rectangular unit, fabricated of structural steel shapes, plates and bars complying with ASTM A 36, as show. Provide welded support brackets at points indicated, and anchor base to spring isolator units.

Where indicated, provided for auxiliary motor slide base under motor or motor slide rails for adjusting belt tension. Design primary base for bolting of rails or slide base in position.

Where sizes of base framing members are not indicated, fabricate base with depth of structure not less than 0.10 x longest span of base, rigidly braced to support equipment without deflections, or distortions which would be detrimental to equipment or equipment performance.

2 04 18 Inertia Base Frames

Where inertia bases are indicated for use with isolation units to support equipment, provide rectangular structural beam channel, or complete sheet metal box concrete. Except as otherwise indicated arrange brackets to result in lowest possible mounting height for equipment, but provide minimum of 1”. Provide holes in base matching anchor bolt holes in equipment.

Forms for floating foundations, with materials shall comply with ASTM A36. Frame units shall be as shown or, if not shown, shall be with minimum depth of 0.08 x longest dimension of base, but not less than 6” deep. Size frame as shown or, if not shown, so that weight of frame plus concrete fill will be greater than operating weight of equipment supported. Provide steel reinforcing both ways with both ends of reinforcing buttwelded to base framing.



Provide anchor bolts, located as required for equipment anchorage and supported for casting of concrete. Locate bolts as indicated.

Provide adjustable bolts in pipe sleeves; for minimum adjustment around anchor bolts.

Provide welded support brackets at points indicated, and anchor base frame to spring isolator units.

2 04 19 Roof-Curb Isolators

Fabricated frame unit sized to match roof curbs as shown formed with isolation springs between extruded aluminium upper and lower sections, which are shaped and positioned to prevent metal-to-metal contact. Provide continuous airtight and waterproof seal between upper and lower extrusions. Include provisions for anchorage of frame unit to roof curb, and for anchorage of equipment to unit.

2 04 20 Isolation Hangers

Hanger units formed with brackets and including manufacturer’s standard compression isolators of type indicated. Design brackets for 3 times rated loading of units. Fabricated units to accept misalignment of 450mm off centre in any direction before contacting hanger box, and for use with either rod or strap type members, and including acoustical washers to prevent metal-to- metal contact.

Provide vibration isolation spring with cap in lower part of hanger and rubber hanger element in top, securely retained in unit.

Provide neoprene element, with minimum deflection of 9mm, securely retained in hanger box.

Provide fibreglass pad or shape, securely retained in unit, with threaded metal top plate.

Provide hangers, recompressed to rated load to limit deflection during installation. Design so hanger may be released after full load is applied.

2 04 21 Riser Isolators

Suspend risers form, or support risers by, spring hangers or spring isolators. Wherever possible, anchor risers at central point with resilient anchors. Provide hanger or mounting deflection of 0.75” except in those expansion locations where additional deflection is required to limit deflection or load changes to +25% of initial deflection. Provide sliding guides held in position by resilient anchors, located between anchor points and end of piping, spaced as indicated.

2 04 22 Flexible Pipe Connectors

2 04 22 01 Non-Ferrous Piping

Provide bronze hose covered with bronze wire braid with copper tube ends or bronze flanged ends, braze-welded to hose.

2 04 22 02 Ferrous Piping

Provide stainless steel hose covered with stainless steel wire braid with steel nipples or 1034 K Pascal (150 psi) ANSI flanges, welded to hose.

2 04 22 03 Flexible Piping

Provide neoprene or EDPM connectors consisting of multiple plies of nylon tire cord fabric and elastomer moulded and cured in hydraulic rubber presses. Provide straight or elbow connector as indicated, rated at 862 K Pascal (125 psi) at 104 ºC.

2 05 Mechanical Identification01.0 Comply with ASME A 13.1 for lettering size, length of colour field, colours, and

installed viewing angle of identification devices.

02.0 Submit valve schedule for each piping system, typewritten and reproduced on 250mm x 200mm bond paper. Tabulate valve number, piping system, system



abbreviation (as shown on tag), location of valve (room or space), and variations for identification (if any). Mark valves, which are intended for emergency shut-off and similar special uses, by special “flags”, in margin of schedule.

2 05 01 Pipe Markers

01.0 Small pipes: For external diameters less than 6” (including insulation if any), provide full-band pipe markers, extending 360” around pipe at each location, fastened by one of the following methods.

01.1 Snap-on application of pre-tensioned semi-rigid plastic pipe marker.

01.2 Adhesive lap joint in pipe marker overlap.

01.3 Laminated or bonded application of pipe marker to pipe (or insulation).

01.4 Taped to pipe (or insulation) with colour-coded plastic adhesive tape, not less than20mm wide; full circle at both ends of pipe marker.

02.0 Large pipes: For external diameters of 150 mm (6 inch) and larger (including insulation if any), provide either full-band or strip-type pipe markers, but not narrower than 3 times letter height (and of required length), fastened by one of the following methods:

02.1 Laminated or bonded application of pipe marker to pipe (or insulation).

02.2 Taped to pipe (or insulation) with colour-coded plastic adhesive tape, not less than 25mm wide; full circle at both ends of pipe marker, tape lapped 75mm.

02.3 Strapped-to-pipe (or insulation) application of semi-rigid type, with manufacturer’s standard stainless steel bands.

03.0 Lettering: Manufacturer’s standard pre-printed nomenclature which best described piping system in each instance, as selected by Engineer in cases of variance with names as shown or specified.

04.0 Arrows: Print each pipe marker with arrows indicating direction of flow, either integrally with piping system service lettering (to accommodate both directions), or as separate unit of plastic.

2 05 02 Plastic Tape

01.0 Plastic Tape: Manufacturer’s standard colour-coded pressure-sensitive (self -adhesive) vinyl tape.

Width: Provide 25mm wide tape markers on pipes with outside diameters (including insulation, if any) of less than 150-200 mm and wide tape for larger pipes.

02.0 Underground-Type Plastic pipe marker: Manufacturer’s standard permanent, bright -coloured, continuous-printed plastic tape, intended for direct-burial service; not less than 150 mm wide x 100 mm indicates type of service of buried pipe.

Provide multi-ply tape consisting of solid aluminium foil core between 2-layers of plastic tape.

2 05 03 Valve Tags

1.0 Brass Valve tags

Provide 19-gauge polished brass valve tags with stamp-engraved piping system abbreviation 10-mm high letters and sequenced valve numbers 10 mm high, and with 5mm hole for fastener.

01.1 Provide 25-mm diameter tags, except as otherwise indicated.

01.2 Fill tag engraving with black enamel.

02.0 Plastic laminate valve tags



Provide manufacturer’s standard 3mm thick engraved plastic laminate valve tags, with piping system abbreviation 10mm high letters and sequenced valve numbers10mm high and with 5mm hole for fastener.

Provide 50mm diameter black tags with white lettering, except as otherwise indicated.

03.0 Plastic valve tags

Provide manufacturer’s standard solid plastic valve tags with printed enamel lettering, with piping system abbreviation in approximately 10mm high letters and sequenced valve numbers approximately 10mm high and with 5mm hole for fastener.

Provide 50mm diameter white tags with black lettering.

04.0 Valve tag fasteners

Provide manufacturer’s standard solid brass chain (wire link or proper attachment of tags to valves), and manufactured specifically for that purpose.

05.0 Valve schedule frames

For each page of valve schedule, provide glazed display frame, with screws for removable mounting on masonry walls. Provide frames of finished hardwood or extruded aluminium, with SSB-grade sheet glass.

2 05 04 Signs

1.0 Engraved plastic-laminate signs

Provide engraving stock melamine plastic laminate in sizes and thickness indicated, engraved with engraver’s standard letter style of sizes and wording indicated, black with white core (letter colour) except as otherwise indicated, punched for mechanical fastening except where adhesive mounting is necessary because of substrate.

Thickness: 1.5mm for units up to .125 square meter; 3mm for larger units.

02.0 Fasteners

Self-tapping stainless steel screws, except contact-type permanent adhesive where screws cannot or should non-penetrate substrate.

03.0 Plastic equipment markers

Provide manufacturer’s standard laminated plastic, colour-coded equipment markers. Conform to the following colour code:

Green: cooling equipment and components.

Yellow: heating equipment and components.

Yellow/Green: combination cooling and heating equipment and components.

Brown: energy reclamation equipment and components.

Blue: equipment and components that do not meet any of the above criteria.

For hazardous equipment, use colours and designs recommended by ASME A 13.1.

04.0 Nomenclature

Include the following matching terminology on schedules as closely as possible:

Name and plan number.

Equipment service

Design capacity.

Other design parameters such as pressure drop, entering and leaving conditions, rpm, etc.

Size: Provide approximate 50 x 100mm markers for control devices, dampers, and valves; and 100 x 150mm for equipment.



05.0 Plasticised tags

Manufacturer’s standard pre-printed or partially pre-printed accident - prevention tags, of plasticised card stock with Matt finish suitable for writing, approximately 75 x 150mm, with brass grommets and wire fasteners, and with appropriate pre-printed wording including large-size primary wording (as examples: DANGER, CAUTION, DO NOT OPERATE).

06.0 Lettering and graphics

Co-ordinate names, abbreviations and other designations used in mechanical identification work, with corresponding designations shown, specified or schedule, provide numbers, lettering and wording as indicated or, if not otherwise indicated, as recommended by manufacturer’s or as required for proper identification and operation/maintenance of mechanical system and equipment.

07.0 Multiple systems

Where multiple systems of same generic name are shown and specified, provide identification that indicates individual system number as well as service (as examples; Boiler No. 3, air Supply No. 1H, Standpipe F12).

2 05 05 Duct Work Identification

1.0 Identification

Air supply, return, exhaust, intake and relief ductwork with stencilled or plastic-laminate sings and arrows, showing ductwork service and direction of flow, in black or white (whichever provides most contrast with ductwork colour).

2.0 Location

In each space where ductwork is exposed, or concealed. Only by removable ceiling system, locate signs near points where ductwork originates or continues or continues into concealed enclosures and at 15m spacing along exposed runs.

3.0 Access doors

Provide stencilled or plastic-laminate type signs on each access door in ductwork and housings, indicating purpose of access (to what equipment) and other maintenance and operating instruction, and appropriate safety and procedural information.

4.0 Concealed doors

Where access doors are concealed above acoustical ceilings or similar concealment, plasticised tags may be installed for identification in lieu of specified signs, at place as approved by the engineer.

2 05 06 Pipes Identification

01.0 Piping Identification: Install pipe markers on each system, and include arrows to show normal direction of flow.

02.0 Locate pipe markers and colour bands as follows wherever piping is exposed to view in occupied spaces, machine rooms, accessible maintenance spaces (shafts, tunnels, plenums) and exterior non-concealed location:

02.1 Near each valve and control device.

02.2 Near each branch, excluding short take-off for fixture and terminal units; mark each pipe at branch, where there could be question of flow pattern.

02.3 Near locations where pipes pass through walls or floors/ceilings, or enter non-accessible enclosures.

02.4 At access doors, manholes and similar access points that permit view of concealed piping.

02.5 Near major equipment items and other points of origination and termination.



02.6 Spaced intermediately at maximum spacing of 15m along each piping run, except reduce spacing to 7.5m in congested areas of piping and equipment.

02.7 On piping above removable acoustical ceilings.

03.0 Underground piping identification: During back-filling/ top-soiling of each exterior underground piping systems, install continuous underground-type plastic line marker, located directly over buried line at 150mm to 200mm below finished grade. Where multiple small lines are buried in common trench and do not exceed out a width of 400mm, install single line marker. For tile fields and similar installations, mark only edge pipelines of field.

2 05 07 Valves Identification

01.0 Valve Identification: Provide valve tag on every valve, cock and control device in each piping system; exclude check valves, valves within factory-fabricated equipment units. Plumbing fixture faucets, convenience and lawn-watering hose bibs, and shutoff valve at plumbing fixture, HVAC terminal devices and similar rough-in connections of end-use fixture and units. List each tagged valve in valve schedule for each piping system.

02.0 Mount valve schedule frames and schedules in machine rooms where indicated or, if not otherwise indicated, where directed by Engineer.

03.0 Where more than one major machine room is shown for project, install mounted valve schedule in each major machine room, and repeats only main valves, which are to be operated in conjunction with operations of more than single machine room.

04.0 Mechanical Equipment Identification: Install engraved plastic laminate sign or plastic equipment marker on or near each major item of mechanical equipment and each operation device. Provide signs for the following general categories of equipment and operational devices.

04.1 Main control and operating valves, including safety devices and hazardous units as gas outlets.

04.2 Meters, gauges, thermometers similar units.

04.3 Fuel-burning units including boilers, furnaces, heaters, and absorption units.

04.4 Heat exchangers, coils evaporators, cooling towers, heat recovery units and similar equipment.

04.5 Fans, blowers, primary balancing dampers, and mixing boxes.

04.6 Packaged HVAC central - station and zone-type units.

04.7 Tanks and pressure vessels.

04.8 Strainers, filters, humidifiers water treatment systems and similar equipment.



3 Part 3: Execution

3 01 General Examination

3 01 01 Pipes & Piping specialities

01.0 Examine areas and conditions under which piping system materials and product are to be installed. Do not proceed with work until unsatisfactory conditions have been corrected.

02.0 Examine all interior parts of pipe for cleanliness, freedom from foreign matters & proper alignment.

03.0 Check all levels as per drawings and safety requirement.

04.0 Check that all pipe sleeves and penetrations have been done.

3 01 02 Valves

01.0 Examine valve interior through the end port, for cleanliness, freedom from foreign matter and corrosion. Remove special packing materials, such as blocks used, which prevents disc movement during shipping and handling.

02.0 Actuate valve through an open-close and close-open cycle examine, functionally significant features, such as guides and seats made accessible by such actuation. Following examination, return the valve closure member to the position in which it was shipped.

03.0 Examine threads on both the valve and the mating pipe for form (out–of–round or local indentation) and cleanliness.

04.0 Examine mating flange faces for conditions, which might cause leakage. Check bolting for proper size, length, and material.

05.0 Check gasket material for proper size and material, and for freedom from defects and damage.

06.0 Valve selection

Selection of Valve Ends (Pipe connection): Except as otherwise

Indicated, select valves with the following ends or types of pipe/tube connections:

Cooper Tube sizes 2 inch and smaller: ends, except in hot water and low-pressure steam service which shall have threaded ends.

Steel Pipe size 2 inches and smaller: threaded or grooved-end.

Steel Pipe size 2-1/2 inch and larger: grooved-end or flanged.

3 01 03 Pumps

01.0 Examine areas and conditions under which pumps are to be installed. Do not proceed with work until unsatisfactory conditions have been corrected.

02.0 Examine all data & characteristics are complying with approved submittals.

3 02 General preparations

3 02 01 Pipes & Piping specialities

Ream ends of pipes and tubes, and remove burrs. Bevel plain ends of steel pipe.

Remove scale, slag, dirt, and debris for both inside and outside of piping and fittings before assembly.



3 02 02 Equipment

Clean all equipment and retouch painting if requires

Check all bearing lubrication

Fill necessary oil as recommended by the manufacturer

3 03 Installations

3 03 01 Pipe & Fittings

3 03 01 01 General

01.0 General location and Arrangements: Drawings (plans, schematics, and diagrams) indicate the general location and arrangement of the piping systems. Location and arrangement of piping layout take into consideration pipe sizing and friction loss, expansion, pump sizing, and other design consideration. So far as practical, install piping as indicated, refer to individual system specifications for requirements for co-ordination drawing submittals.

02.0 Conceal all pipe installations in walls, pipe chases, utility spaces, above ceilings, below grade or floors, unless otherwise indicated.

Install piping free of sags or bends and with ample space between piping to permit proper insulation applications

03.0 Install exposed piping at right angles or parallel to building wall. Diagonal runs are not permitted, unless expressly indicated on the Drawing.

04.0 Install piping tight to slabs, beams, joists, columns, walls, and other permanent elements of the building. Provide space to permit insulation applications, with 25 mm (1inch) clearance outside the insulation. Allow sufficient space above removable ceiling panels to allow for panel removal.

05.0 Locate groups of pipes parallel to each other, spaced to permit applying full insulation and servicing of valves.

06.0 Install drains at lowest point in mains, risers, and branch lines consisting of a tee fitting, 19 mm (¾ inch) ball valve, and short19 mm (¾ inch) threaded nipple and cap.

07.0 Exterior wall penetration: seal pipe penetration through exterior walls using sleeves and mechanical sleeve seals. Pipe sleeves smaller than 150 mm (6 inch) shall be steel; pipe sleeves 150 mm (6 inch) and larger shall be sheet metal.

08.0 Fire Barrier Penetration: Where pipes pass through fire rated walls, partitions, ceilings, or floors, the fire rated integrity shall be maintained. Refer to Division 7 for special sealers and materials.

3 03 01 02 Fittings And Specialities

01.0 Use fittings for all changes in direction and all branch connections.

02.0 Remake leaking joints using new materials.

03.0 Install strainers on the supply side of each control valve, pressure reducing or regulating valve, solenoid valve, and elsewhere as indicated.

04.0 Install union adjacent to each valve, and at the final connection to each piece of equipment and plumbing fixture having 50 mm (2 inch) and smaller connection, and elsewhere as indicated.

05.0 Install flanges in piping 62.5 mm (2 – ½ inch) and lager, where indicated, adjacent to each valve, and at the final connection to each piece of equipment.

06.0 Install dielectric union to connect piping material of dissimilar metals in dry piping system (gas, compressed air, vacuum)

07.0 Install dielectric fittings to connect piping materials of dissimilar metals in wet systems (water, steam).



3 03 01 03 Piping system joints

3 03 01 03 01 Threaded Connections

Note: the internal length of threads in valve ends, and proximity of valve internal seat or wall, to determine how far pipe should be thread into valve.

Align threaded into point of assembly.

Apply appropriate tape or thread compound to the external pipe threads (except where dry seal threading is specified).

Assemble joint wrench tight. Wrench on valve shall be on the valve end into which the pipe is being threaded.

3 03 01 03 02 Flanged Connections

Align flanges surfaces parallel.

Assemble joints by sequencing bolt tightening to make initial contact of flanges and gaskets as flat and parallel as possible.

Use suitable lubricants on bolt threads. Tighten bolts gradually and uniformly using a torque wrench.

For dead end service, butterfly valve require flanges both upstream and downstream for proper shutoff and retention.

3 03 01 03 03 Non-ferrous Pipe Joints

- Brazed and Soldered joints: For copper tube and fitting joint, braze joints in accordance with ASME B31.1and ASME B31.9.

- Thoroughly clean tube surface and inside surface of the cup of the fittings, using very fine Emory cloth, prior to making soldered or brazed joints. Wipe tube and fittings clean and apply flux. Flux shall not be used as the sole means for cleaning tube and fitting surfaces.

3 03 01 03 04 Welded Joints

01.0 Weld pipe joint in accordance with ASME B31.9 for Pressure Piping

02.0 Weld pipe joints in accordance with recognised industry practice and as follows:

02.1 Bevel pipe end at a 37.5 cuts, and cleans to remove slag, metal particles and dirt.

02.2 Use pipe clamps or tack-weld joint with 25mm long welds; 4 welds for pipe sizes to 250 mm, 8 welds for pipe sizes 300 to 500 mm.

02.3 Build up welds with stringer-bead pass, followed by hot pass, followed by cover filler pass. Eliminate valleys at centre and edges of each weld. Weld by procedures, which will ensure elimination of unsound or infused metal, cracks oxidation, blowholes and non-metallic inclusions.

02.4 Do not weld-out piping system imperfections by tack-welling procedures; prefabricate to comply with requirements.

3 03 01 03 05 Mechanical joint

01.0 Mechanically formed tee connections: In lieu of providing tee fittings in copper tubing, Installer may, as option, provide mechanically form tee connections, providing they are in accordance with the following:

- Size and wall thickness of both run tube and branch tube are listed byManufacturer of forming equipment as “Acceptable Application“.

- Height of drawn collar is not less than 3 times wall thickness of runtubing.

- End of branch tube is notched to conform to inner curve of run tube, and



dimpled to set exact penetration depth into collar.

- Resulting joint is minimum of 3 times as long as thickness of thinner jointmember, and brazed using B-Cup series filler metal.

02.0 Mechanically Formed Couplings: In lieu of providing couplings in copper tubing, Installer may, as option, provide mechanically formed couplings, provided they are in accordance with the following:

Form couplings by first annealing area at end of tube where expansion will occur. Insert tube expander to die size required and expand tube end accepts tubing of same size.

Resulting joint is minimum of 3 times as long as thickness of tube, and brazed using B-cup series filler metal.

03.0 Mechanical coupling, flange adapter dismantling joint shall be used for pipe jointing where dismantling of the system is required at equipment & valves location.

3 03 01 03 06 Lead joint

01.0 Lead Joint Installation: Tightly pack joint with joint packing material. Do not permit packing to enter bore of finished joint.

02.0 Clean joint after packing. Fill remaining joint space with one pouring of lead to indicated minimum depth measured from face of bell. After lead has cooled, caulk joint tightly by use of hammer.

3 03 01 03 07 Hub less cast-Iron

Comply with coupling manufacturer’s installation instructions.

3 03 01 03 08 Clay Pipe Joints

Comply with ASTM C 12.

3 03 01 03 09 Concrete Pipe Joints

Except as otherwise indicated, comply with applicable provisions of “ Concrete Pipe Field Manual “ by the American Concrete Pipe Assn.

3 03 01 03 10 Plastic Pipe/Tube Joints

Comply with manufacturer’s instructions and recommendations, and with applicable industry standards

Heat Joining of thermoplastic pipe: ASTM D 2657.

Solvent-cemented Joints: ASTM D 2235, and ASTM F 402.

3 03 01 03 11 Fibre Glass Pipe Joints

01.0 Comply with manufacturer’s instructions and recommendation.

02.0 FRP and rubber rings.

03.0 FRP coupling with rubber rings and key lock.

3 03 01 03 12 Grooved Pipe Joints

Comply with fitting manufacturer’s instructions for making grooves in pipe ends. Remove burrs and ram pipe ends. Assemble joints in accordance with manufacturer’s instructions.

3 03 01 03 13 Ductile Cast Iron Pipe

Install ductile cast iron pipe and appurtenances in accordance with AWWA C 600.



3 03 01 04 Installation of Piping Specialities

01.0 Pipe escutcheons: Install pipe escutcheons on each pipe penetration through floors, walls, partitions, and ceilings where penetration is exposed to view; and on exterior of buildings. Secure escutcheon to pipe or insulation so escutcheon covers penetration hole, and flush with adjoining surface.

02.0 Y-Type strainers: Install Y-type strainers full size of pipeline, in accordance with manufacturer’s installation instructions. Install pipe nipple and shutoff valve in strainer blow down connection, full size of connection, except for strainer 2” and smaller installed ahead of control valves feeding individual terminals. Where indicated, provide drain line from shutoff valve to building drain system, full size of blow down connection.

Locate Y-type strainers in supply line ahead of the following equipment, and elsewhere as indicated, if integral strainer is not included in equipment:

- Pumps.

- Steam traps serving steam main drips.

- Temperature control valves.

- Pressure reducing valves.

- Temperature or pressure regulating valves.

03.0 Vandal-proof vent caps: Install vandal-proof vent caps on each vent pipe passing through roof, and elsewhere as indicated. Locate base of vent cap 6” above roof surface, or as required by applied Code or as indicated in the drawings.

04.0 Dielectric unions: Install at each piping joint between ferrous and non-ferrous piping. Comply with manufacturer’s instruction.

05.0 Mechanical sleeve seals: Loosely assembles rubber links around pipe with bolts and pressure plates located under each bolt head and nut. Push into sleeve and centre. Tighten bolts until links have expanded to form watertight seal.

06.0 Fire barrier penetration seals: Fill entire opening with sealing compound. Adhere to manufacturer’s installation instructions.

07.0 Water hammer arresters: Install in upright position, in locations and of size in accordance with Standard PDI WH-201, and elsewhere as indicated.

3 03 01 05 Installation of Fabricated Piping Specialities

01.0 Drip pans: Locate drip pans under piping passing over or within 0.9 meter (3 feet) horizontally of electrical equipment, and elsewhere as indicated. Hang from structure with rods and building attachments; weld rods to sides of drip pan. Brace to prevent sagging or swaying. Connect 25-mm (1-inch) drain line to drain connection, and run to nearest building drain system line or elsewhere as indicated.

02.0 Pipe sleeves: Install pipe sleeves of types indicated where piping passes through walls, floors, ceiling, and roofs.

Do not install sleeves through structural member of work, except as detailed on drawing, or as reviewed by Engineer. Install sleeves accurately on pipe runs. Size sleeves so that piping and insulation (if any) will have free movement in sleeves, including allowance for thermal expansion; but not less than 2 pipe sizes larger than piping run. Where insulation includes vapour-barrier jacket, provide sleeve with sufficient clearance for installation. Install length of sleeve equal to thickness of construction penetrated, and finish flush to surface; except floor sleeves. Extend floor sleeves above level floor finish, extend it 19 mm (¾ inch) above floor finish sloped to drain. Provide temporary support of sleeves during placement of concrete and other work around sleeves, and provide temporary closure to prevent concrete and other materials from entering sleeves.

- Refer to NFPA 13 for special requirements of floor sleeve extension in rooms containing sprinkler system.



- Install sheet-metal sleeves at interior partitions and ceilings except suspended ceilings.

- Install iron-pipe sleeves at exterior penetrations; both above and below grade.

- Install steel-pipe or plastic-pipe sleeves except as otherwise indicated.

03.0 Sleeve Seals: Install in accordance with the following:

Lead and Oakum: Fill and pack annular space between sleeve and pipe with oakum, caulk with lead, on both sides.

3 03 01 06 Refrigerant Piping

01.0 Install refrigerant piping with1% downward slope in direction of oil return to compressor. Provide oil traps and double risers where indicated, and where required to provide oil return.

02.0 Clean refrigerant piping by swabbing with dry (linen) cloth, followed by refrigerant oil soaked swab. Remove excess oil by swabbing with cloth soaked in high flash point petroleum solvent, squeezed dry.

03.0 Bleed dry nitrogen through refrigerant piping during brazing operations.

3 03 02 Valve Installation

01.0 General Application: Use gate, ball, and butterfly valves for shut-off duty; globe ball, and butterfly for throttling duty. Refer to piping system specification section for specific valve applications and arrangements.

02.0 Locate valves for easy access and provide separate support where necessary.

03.0 Install valves and unions for each fixture or equipment in a manner to allow equipment removal without system shutdown. Unions are not required on flanged devices.

04.0 Install 3-valve bypass around each pressure-reducing valve using throttling type valves.

05.0 Install valves in horizontal piping with stem at or above the centre of the pipe.

06.0 Installation of check valves: Install for proper direction of flow as follows:

- Swing check valves: Install in horizontal position with hinge pin level.

- Wafer check valves: Install between 2 flanges in horizontal or vertical position.

07.0 Solder connections:

- Cut tube square and to exact lengths.

- Clean end of tube to depth of valve socket, using steel wool, sand cloth, or a steel wire brush to a bright finish. Clean valve socket in same manner

- Apply proper soldering flux in an even coat to inside of valve socket and outside of tube.

- Open gate and globe valves to fully open position.

- Remove the cap and disc holder of swing check valves with composition discs.

- Insert tube into valve socket making sure the end rests against the shoulder inside valve. Rotate tube or valve slightly to insure even distribution of the flux.

- Apply heat evenly to outside of valve around joint until solder will melt upon contact. Feed solder until it completely fills the joint around tube. Avoid hot spots or overheating the valve.

08.0 Installation of special refrigerant valves:

General: Install refrigerant valves where indicated, and in accordance with manufacturer’s instructions. Remove accessible internal parts before soldering or brazing, replace after joint is completed.



- Solenoid Valves: Install in refrigerant piping as indicated with stem pointing upwards

09.0 Installation of refrigerant accessories:

- Refrigerant strainers: Install in refrigerant lines as indicated, and in accessible location for service.

- Moisture-liquid indicators: Install as indicated on refrigerant liquid lines, in accessible location.

- Refrigerant filter-dryers: Install in refrigerant lines as indicated, and in accessible location for service.

- Evaporator pressure regulators: Install in refrigerant suction lines or evaporator pressure.

- Refrigerant discharge line mufflers: Install as indicated

10.0 Installation of pumps:

- General: Install HVAC pumps where indicated, in accordance with manufacturer’s published installation instructions, complying with recognised industry practices to ensure that HVAC pumps comply with requirements and serve intended purposes.

Access: Provide access space around HVAC pumps for service as indicated, but in no case less than that recommended by manufacturer.

Support: Install base-mounted pumps on minimum of 50mm (4inch) high concrete base equal or greater than 3 times total weight of pump and motor, with anchor bolts in place. Set and level pump, grout under pump base with non-shrink grout. Install in-line pumps, supported from piping system.

- Electrical wiring: Install electrical devices furnished by manufacturer but not specified to be factory-mounted. Furnish copy of manufacturer’s wiring diagram submittal to electrical Installer

- Verify that electrical wiring installation is in accordance with manufacturer’s submittal and installation requirements of Division-16 sections. Do not proceed with equipment start-up until wiring installation in acceptable to equipment installer.

Piping connection: Refer to Division-15 HVAC piping sections.

Provide piping, valves, accessories, gages, supports, and flexible connections as indicated.

3 03 03 Pipes and Supports Installation

3 03 03 01 General

01.0 Furnish hangers to support the required loads. Where necessary, supports shall be designed to permit movement due to expansion and contraction. Where drawings show details of supports and anchors, conform to details shown. Where details are not shown, conform to general requirements specified herein.

02.0 Size hangers to fit on the outside of insulation requiring a vapour barrier and on pipes having pipe saddles.

03.0 Hang pipe from substantial building structure. Piping shall not be hung from other piping. All rigid hangers shall provide a means of vertical adjustment after erection.

04.0 “C” clamps shall not be used to support piping

05.0 Where non insulated pipes, in which vibration may occur, pass through walls, floors, partitions, encase pipe within acoustical wall sleeve.

3 03 03 02 Horizontal Piping Supports Schedule

01.0 Support horizontal piping on threaded hot rolled steel rod.



02.0 Steel pipe

02.1 Maximum spacing between single pipe supports:

Nominal pipe size, mm

12 20 25 32 50 65 75 90 100 125 150

Maximum span, m

1.5 1.8 2 2.7 3 3.4 3.7 3.7 4.3 4.9 4.9

Maximum rod, mm

9.5 9.5 9.5 9.5 9.5 13 13 13 16 16 19

Maximum span, m

1.5 1.8 2 2.7 3 3.3 3.6 3.6 4.2 4.8 4.8

Minimum rod, mm

10 10 10 10 10 12 12 12 16 16 20

03.0 Copper tubing

Maximum spacing between single tube supports

Nominal tubing size mm

12 20 25 32 38 50 65 75 90 100

Maximum span, m

1.5 1.8 1.8 2 2.7 3 3 3.4 3.7 3.7

04.0 Support steel piping 200 mm (8 inches) and larger at 6 meter (20 feet) intervals or less to insure even distribution of loading on structural members. For pipe sizes 200 through 600 mm (8 through 12 inches), rod size shall be 32 millimetres (1-1/4 inches).

05.0 The spacing specified herein is included to limit deflection in the pipe to an acceptable minimum.

06.0 Cast iron pipe shall be supported at each hub.

07.0 Supporting rods shall be attached to concrete by insert placed before concrete is poured.

08.0 Supporting rods over 460 millimetres (18 inches) long shall be braced at every fourth hanger with diagonal bracing attached to the structure.

3 03 03 03 Vertical Piping Support

01.0 Support vertical piping with wrought steel clamps. Make adequate provision for expansion, contraction, and lateral stability.

2.0 Support steel pipe at a minimum of every other floor as required to relieve joint stresses.

3 04 Field Quality Control

3 05 Adjusting and Cleaning

3 06 Demonstration

Note: State requirements to demonstrate the operation and maintenance of equipment to the Employer’s personnel, including training if required.



3 07 Protection

3 08 Schedules

Note: Include schedules (e.g. door schedule) to indicate what to put where, and provide other co-ordinating data if necessary !



Part 4: Method of Measurement

4 01 GeneralRefer to relevant Sections of Division 15

4 02 Units of Measurement



5 Parts 5: Basis of Payment

5 01 General Payment shall be made for complete works including furnishing all material, equipment, tools,

scaffolding, storage facilities, power, labour, samples and co-ordinating word with other trades.

If stated in contract payment for partial word shall be permitted through monthly invoices.

5 02 Ancillary Works to be included in the Unit Price Rates

The following ancillary works shall be included in the unit price rates:

01.0 Re-checking of all structural work necessary for the implementation of mechanical works.

02.0 Instruction of operation and maintenance personnel.

03.0 Slots and penetrations for the execution of installation work, or marking slots and penetrations if it will be done by others

04.0 Supply and fixing, type and rating

05.0 Co-ordination with other trades.

06.0 Water and drainage connections



6 Annex: Tables and Figures

6 01 Tables Table 1: Outdoor design condition

Outdoor design condition

City Latitude

Deg min

Winter

Design

Dry Bulb

( deg C )

Summer Design

Dry Bulb

( deg C )

Wet Bulb

( deg C )

Abha 18 23 6,5 30,6 19,4

Al jouf 1,5 40,5 18,3

Al Kharj 24 15 43,5 22,.2

Al Madinah 24 55 20,5

Al wajh 26 20 12,5 28,3

Ar' ar 30 90 1,1 41,7 22,8

Dahran 26 17 43,8 28,9

Hafer Al Batin 28 10 45,5 23,9

Ha'il 27 43 1,1 40,5

Jeddah 21 30 29,4

Jizan 16 90 21,1 30,6

Jubail 27 01 5.5 43,3 28,3

Khamis- Mushayt18 04 2.2 32,7 21,7

Makkah 21 48 16,6 27,7

Qasim 26 30 3,9 43,3 23,3

Quaysumah 28 30 45,5 23,9

Rafha 29 63 0,6 43,9 22,2

Riyadh 24 42 43,3 25,5

Tabuk 28 25 -0.5 37,2 21,7

Taif 21 12 4,4 23,3

Turayf 31 68 0,0

Yanbu' al Bahr24 15 12,3 42,8 28,3

Table 2: Indoor design conditions



Winter without Humidity Dry Bulb Temp. (deg C)

Winter with HumiditySummerType of

ApplicationTemp Swing

(deg c )Relative

Humidity (per cent)

Dry Bulb Temp. (deg c)

Temp. Swing (deg c)

Relative Humidity (per cent)

Dry Bulb Temp .(deg C)

24-25-235-4524-251-250-4524-25Residential , Schools, Office, Hotels, Hospitals

23-24-235-4522-241-250-4525-26Supermarkets, Stores, Banks, Barbers, Beauty Shops

23-24-240-5022-240,5-155-5025-26Auditoriums, Mosques, Restaurants, Halls

24-235-4524-251-250-4523-24Deluxe Apartments, VIP zones

Table3: Heat gain from people in kcal/hr

Degree of Activity

Typical Application

Room Dry – Bulb Temperature

28Oc 26Oc 24Oc 21Oc

Sensible Latent Sensible Latent

Sensible Latent Sensible Latent

Seat at rest Grade school

44 44 53 35 58 30 66 23

Seat very light work High school 45 55 54 47 61 40 69 32

Office worker (standing. Walking slowly)

Office hotel 45 68 54 59 62 52 72 42

Walking Seated Bank, Drug Store

45 81 56 71 64 62 73 53

Sedentary work Restaurant 48 91 61 78 71 68 81 58

Walking 5 Km/h Fairly heavy work

68 184 83 169 96 157 116 136



Table 4: Ventilation requirements for occupants

Type of application Outdoor Air m 3/h/person

Residential: General living areas,

Bedrooms, utility rooms

Kitchens, baths, toilet rooms

Commercial: Public rest rooms

Sales floors, warehouses,

Libraries, schools

Hotel: Bedrooms, lobbies

Small conference rooms

Large assembly rooms

Mosques

Offices: General office space

Conference rooms

Waiting rooms

Computer rooms

Restaurants

VIP chambers

Hospitals: Foyers

Bedrooms, wards

12 – 17

50-85

34-42

17-25

17-25

42-50

34-42

12-17

25-42

50-70

25-34

12-17

25-35

42-50

42-50

25-35



Table5: Recommended supply outlet face velocities over gross area

Application Velocity ( m/s )

Residential 2,5-3,8

Apartments 2,5-3,8

Mosques 2,5-3,8

Hotel Bedrooms 2,5-3,8

Theatres 2,5-3,8

Private Offices 2,5-3,8

General Offices 5 – 6, 3

Table 6: Recommended return inlet velocities over gross area

Inlet Location Velocity ( m/s )

Above occupied zone 4 and above

Within occupied zone, not near seats 3-4

Within occupied zoned zone , near seats 2-3

Door or wall louvers 1-1,5

Undercutting of doors ( through undercutting area ) 1 – 1,5

Table 7: Recommended maximum duct velocities for low velocity systems (meters per second):

Application

Criteria:

Noise

Generation

Criteria : Duct Friction

Main

Ducts

Main Duct Branch Duct

Supply Return Return

Residential 3 5 4 3 3

Apartments

Hotel Bedrooms

Hospital Bedrooms

5 7,5 6,5 6 5

Private Offices

Directors” Rooms

Libraries

6 10 7,5 8 6

Theatres , Auditoriums 4 6,5 5,5 5 4

General Offices

Restaurants, Banks

7,5 10 7,5 8 6

Stores. Cafeterias 9 10 7,5 8 6

Industrial 12,5 15 9 11 7,5



Table 8: Permissible Sound Level

Type of Area Range of Sound level d b ( A )

Mosques

Residences

Offices

Conference Rooms

Open Offices

Lecture Halls

Classrooms

Recreation Halls

Public Libraries

Cafeterias

Supermarkets

Court Rooms

Washrooms and Toilets

Halls and Corridors

Kitchens and Laundries

Multi – purpose Halls

Hospitals : Foyers

Bedrooms

Wards

Laboratories

30-40

25-35

25-35

30-40

40-50

40-50

35-45

40-55

35-45

45-55

45-55

35-45

45-55

40-55

45-55

30-35

40-50

30-40

35-45

40-50



6 02 Figures



7 Annex: Specifier Information
