item 599.0614nn04 – bridge electrical work description 1.01 work … · 2018-07-02 · item...

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ITEM 599.0614NN04 – BRIDGE ELECTRICAL WORK Page 1 of 61 6/13/2018 DESCRIPTION 1.01 WORK DESCRIPTION A. This section includes general requirements for supply, service, delivery, storage, installation, testing and commissioning of electrical equipment, apparatus, appliances, materials, and accessories necessary to complete the work under the scope of the contract. This work shall consist of removing, furnishing, installing, and placing in operating condition all electrical work as specified. The work shall include but not limited to removal, retrofit, and/or replacement of existing electrical service and distribution system, electrical machinery equipment, bridge control system, traffic signals, traffic gates, sump pumps, bridge lighting system, field instrumentation and control devices, circuit wiring and raceway system, and miscellaneous electrical devices integrated to form a functional and operational system. B. Provide supervision, labor, and assistance to manufacturer’s field representative and/or technical directors for equipment to be installed as a part of this Contract. Follow specified procedures and instructions provided by these representatives. Representatives will not be present at all times. Owner or Owner's Representative will determine when representatives are required. C. The Contractor shall provide service of qualified system integration company to develop and produce substantially completed electrical installation shop drawings as integrated system for Engineer’s review and approval. The substantially completed installation shop drawings shall be developed based on the final shop drawings of the actual equipment procured. The substantially completed installation shop drawings shall include layout/assembly/installation drawings of equipment, components terminal boxes and terminations drawings, schematic diagrams, point- to-point interconnection wirings with cable tags and termination identification for field installation. The Contractor shall coordinate all activities required to produce the substantially completed installation shop drawings. The system integration company shall also provide system integrator to coordinate all the testing and commissioning activities. 1.02 RELATED REQUIREMENTS All sections of electrical specifications defined for the project’s electrical work. 1.03 REFERENCES A. Electrical systems shall be engineered, manufactured and installed in accordance with the National Electrical Codes. The design and engineering of the electrical installation shall satisfy all statutory requirements of the national and/or local

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Page 1: ITEM 599.0614NN04 – BRIDGE ELECTRICAL WORK DESCRIPTION 1.01 WORK … · 2018-07-02 · ITEM 599.0614NN04 – BRIDGE ELECTRICAL WORK Page 5 of 61 6/13/2018 6. Comprehensive shop

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DESCRIPTION 1.01 WORK DESCRIPTION

A. This section includes general requirements for supply, service, delivery, storage, installation, testing and commissioning of electrical equipment, apparatus, appliances, materials, and accessories necessary to complete the work under the scope of the contract. This work shall consist of removing, furnishing, installing, and placing in operating condition all electrical work as specified. The work shall include but not limited to removal, retrofit, and/or replacement of existing electrical service and distribution system, electrical machinery equipment, bridge control system, traffic signals, traffic gates, sump pumps, bridge lighting system, field instrumentation and control devices, circuit wiring and raceway system, and miscellaneous electrical devices integrated to form a functional and operational system.

B. Provide supervision, labor, and assistance to manufacturer’s field representative and/or technical directors for equipment to be installed as a part of this Contract. Follow specified procedures and instructions provided by these representatives. Representatives will not be present at all times. Owner or Owner's Representative will determine when representatives are required.

C. The Contractor shall provide service of qualified system integration company to develop and produce substantially completed electrical installation shop drawings as integrated system for Engineer’s review and approval. The substantially completed installation shop drawings shall be developed based on the final shop drawings of the actual equipment procured. The substantially completed installation shop drawings shall include layout/assembly/installation drawings of equipment, components terminal boxes and terminations drawings, schematic diagrams, point-to-point interconnection wirings with cable tags and termination identification for field installation. The Contractor shall coordinate all activities required to produce the substantially completed installation shop drawings. The system integration company shall also provide system integrator to coordinate all the testing and commissioning activities.

1.02 RELATED REQUIREMENTS

All sections of electrical specifications defined for the project’s electrical work.

1.03 REFERENCES

A. Electrical systems shall be engineered, manufactured and installed in accordance with the National Electrical Codes. The design and engineering of the electrical installation shall satisfy all statutory requirements of the national and/or local

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authorities of the country in which the electrical installation will be located. The electrical installation shall be suitable for the site conditions as specified. Where necessary, special attention shall be paid to the selection and installation of electrical equipment suitable for seismic conditions. Where relevant, the specific publications are referenced herein.

B. The following reference standards documents form part of the specification to the extent stated. Where differences exist between codes and standards, the one affording the greatest protection shall apply. Unless otherwise noted, the referenced standard edition is the current one at the time of commencement of the work.

C. Reference Standards:

1. Occupational Safety and Health Administration – OSHA

2. The American Association of State Highway and Transportation Officials - AASHTO

3. National Fire Protection Association – NFPA

a. ANSI/NFPA 70 - National Electrical Code b. ANSI/NFPA 70B - Recommended Practice for Electrical Equipment

Maintenance c. ANSI/NFPA 70E - Standard for Electrical Safety in the Workplace d. ANSI/NFPA 99 - Standard for Healthcare Facilities e. ANSI/NFPA 101 - Life Safety Code f. ANSI/NFPA 110 - Emergency and Standby Power Systems g. ANSI/NFPA 780 - Installation of Lightning Protection Systems

4. Institute of Electrical and Electronic Engineers – IEEE

a. ANSI/IEEE C2 - National Electrical Safety Code b. ANSI/IEEE 43 - IEEE Recommended Practice for Testing Insulation

Resistance of Rotating Machinery c. ANSI/IEEE 48 - IEEE Standard Test Procedures and Requirements for

Alternating-Current Cable Terminations 2.5 kV through 765 kV d. IEEE 81 - IEEE Guide for Measuring Earth Resistivity, Ground Impedance,

and Earth Surface Potentials of a Ground System Part I: Normal Measurements

e. IEEE 100 - The Authoritative Dictionary of IEEE Standards Terms f. IEEE 400 - IEEE Guide for Field Testing and Evaluation of the Insulation of

Shielded Power Cable Systems g. IEEE 1584 - IEEE Guide for Performing Arc-Flash Hazard Calculations h. IEEE 1584a - IEEE Guide for Performing Arc-Flash Hazard Calculations –

Amendment 1

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5. International Electrical Testing Association – NETA

a. ANSI/NETA ETT - Standard for Certification of Electrical Testing Technicians

b. ANSI/NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and Systems

6. National Electrical Manufacturers Association – NEMA

a. NEMA AB4 - Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial Applications

b. ANSI/NEMA C84.1 - Electrical Power Systems and Equipment Voltage Ratings (60 Hz)

c. NEMA MG1 - Motors and Generators

1.04 ACTION AND INFORMATIONAL SUBMITTALS

A. Preconstruction Submittals:

1. Health and safety plan

2. Work plan

3. Quality Control (QC) plan

4. Schedule of submittal items with dates

B. Product Data:

1. Submit manufacturer's instructions, printed product literature and data sheets for all items described in these specifications and include product characteristics, performance criteria, physical size, finish and limitations.

C. Submit for review single line electrical diagrams under plexiglass and locate as indicated.

1. Electrical distribution system in the electrical equipment room.

D. Shop drawings:

1. The Contractor shall submit copies of vendor, producer or manufacturer data for materials, devices and subsystems or standard or proprietary products. These shall include design and installation shop drawings, catalog cuts, specifications, testing requirements, and installation instructions for the following items, but not excluding other items or materials not specifically mentioned herein.

2. System integration and/or engineered system shop drawings shall be stamped and signed by registered professional engineer. Equipment shop drawings are not

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required to be stamped and signed by professional engineer but must have applicable equipment certification and/or label.

3. A number of electrical equipment items specified as part of the electrical work are to be provided to others for mechanical installation, followed by electrical installation under the herein specified electrical work. The dimensions of these items are critical for their installation and integration into the bridge mechanical machinery system. Their dimensions are indicated on the mechanical Contract Drawings and have been obtained from information provided by various equipment manufacturers. The dimensions have not been obtained from manufacturer’s certified drawings (certified drawings are drawings certified by the manufacturer to be dimensionally accurate and which contain sufficient detail to determine if the requirements of the Contract Documents have been satisfied). The Contractor shall, as part of its procurement process, obtain certified drawings for these items from the manufacturers and provide them to others responsible for the mechanical work in the preparation of the Shop and Erection Drawings for the bridge machinery. The certified drawings shall be submitted in support of the developed Shop Drawings. The Contractor shall notify the Engineer of any dimension of any specified item that deviates from the Contract Drawings. These items shall consist of the following:

a. Bridge Span Machinery Motor b. Motor Brake c. Machinery Brake d. Geared Rotary Cam Limit Switches e. Overspeed Switch

4. Under no circumstance shall any of the proposed electrical power or control systems be fabricated, assembled, or wired directly from the Contract Drawings. The Contractor shall prepare and submit installation shop drawings substantially completed as integrated system for Engineer’s review and approval. The substantially completed installation shop drawings shall include layout/assembly/installation drawings of equipment, components terminal boxes and terminations drawings, schematic diagrams, point-to-point interconnection wirings with cable tags and termination identification for field installation.

5. The Contractor shall identify any constructability issues or conflicts between manufacturers’ shop drawings and contract documents (drawings and specification) during the Contractor shop drawing review and installation drawing development process. The Contractor shall also identify variations between Contract Documents and product or system limitations or functionality that may be detrimental to the successful performance or operation of the completed work. The Contractor shall submit proposed resolutions for review and approval by the Engineer.

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6. Comprehensive shop Bills of Material shall be included for each of the proposed major items of equipment and systems and sub-systems including electric service Main Distribution Panel, transformers, Bridge Control Cabinet, Operator Control Console, Adjustable Speed Drive, motorized machinery and equipment, motor starters and controllers, etc. The computed shipping and operating weights of each piece of electrical equipment shall be stated on the Shop Drawings upon which it is detailed.

7. Complete assembly and installation drawings shall be furnished. These drawings shall clearly indicate how the work is to be performed in the field including foundation requirements, equipment clearances required for operation and maintenance access and as required by applicable codes.

8. Assembly and installation drawings shall be given identifying marks and essential dimensions for locating each piece of equipment or assembled unit with respect to the bridge and its required equipment foundation. Each unit shall be cross-referenced to the Shop Drawing on which it is detailed or indicated in physical and functional terms.

9. The Contractor shall submit electronic copies of all required shop drawings, unless otherwise directed, that include shop, assembly, installation, schematic and wiring Drawings. Drawings shall be prepared for all electrical power and control systems and sub systems proposed for the bridge and shall describe in physical, functional, schematic and wiring terminologies the proposed systems. The configuration of the power and control system shall be clearly described as well as the logic associated with the system and the required interfaces with the overall traffic control operating systems. All Installation Drawings shall conform to the following:

a. Manufacturer’s Literatures – The submittal information shall have annotation of project’s equipment identification (name and/or tags) on their respective sheets. Where equipment vendor’s standard product data sheets and/or drawings are furnished which cover a number of variations of the general class of equipment, the information shall be annotated to indicate exactly which equipment, parts, and/or accessories are being furnished. Technical data such as equipment ratings, operation parameters, performance data shall be provided for each specific piece of electrical equipment as specified.

b. General Arrangement Drawings - The general arrangement (GA) drawings shall indicate at a minimum 3 perspective views: plan view, elevation view, and side view. Additional views or sections shall be provided as required to clearly indicate the extents and features of the subject. The GA drawings shall locate all equipment and shall include equipment centerlines, equipment access and maintenance space. The Contractor shall indicate any areas that require more than 3 feet of clearance around their equipment boundary on the

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GA drawings for access or maintenance requirements. Information regarding the location of access doors or view port to allow access platform & walkway design shall be provided. The Contractor is responsible for consolidation of all information from their suppliers onto their GA drawings.

c. Physical Dimensioned Drawings – Provide physical dimensioned drawings for electric service equipment including but not limited to: motor control center, switchboards, panel boards, hydraulic power and control system, control panels, motors, brakes, bridge operator control console, rotary cam limit switches, span seated limit switches, cabling systems, etc. shall be drawn to scale. Outline drawings shall depict graphically and dimensionally the configurations, profile, and limitations of parts and assemblies. Perspectives and reference points shall be indicated clearly for each view. All details of given devices or components shall be clearly visible at the scale selected for that part, assembly or sub-assembly with the exception of enlarged views drawn to capture small details within a part, such as those that may be used to improve clarity and prevent excessively large drawings. Separate details shall be provided for all opposite hand span drive motors, brakes and span position rotary cam limit switches and shall be in accordance with the mechanical machinery layout.

d. Equipment Foundation and Mounting - Anchor bolt drawings shall provide templating dimensions in sufficient detail to facilitate the preparation of foundation design drawings and to determine the sizes and types of fasteners and other installation devices required. Foundation plans shall provide sufficient dimensional and configuration details to facilitate foundation design and installation planning by the Contractor. The drawings shall also include the supplier’s recommendations for installation methods and materials.

e. Wiring Diagrams – Provide applicable one-line, three-line and schematic diagrams to shows wirings, connections and interconnections of the electrical system installation, equipment or its component devices and parts. Drawings shall provide such detail as is necessary to be able to trace the electrical circuits and connections involved. The drawings must include cable numbers, conductor colors, pair/triad numbers, terminal source and designation identifications. If cables are shielded, the shields shall be shown on the drawings. All spare conductors shall be shown on the drawings.

10. Conduct field surveys to verify existing dimensions shown on the plans, prior to development of submittals. Identify field verified dimensions on submittals. Conduct field measurements and surveys as required to supplement the information provided in the plans and to provide a complete and satisfactory fitting and operational installation.

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E. Engineering Data:

1. Provide Substantially Completed Installation Shop Drawings

2. Provide Electrical System Protection Coordination and Device Settings

3. Provide Arc flash study and warning label information

F. Certificates:

1. Provide UL certified for applicable equipment and material.

2. Submit test results of installed electrical systems and instrumentation.

3. Permits and fees: in accordance with General Conditions of contract.

4. Submit certificate of acceptance from authority having jurisdiction upon completion of Work to Departmental Representative.

G. Startup and Commissioning Plan and Report

1. Provide Startup and Commissioning Plan

2. Startup and Commissioning Report

H. Test Reports:

1. Provide Factory Acceptance Test

2. Provide Electrical Construction Field Testing and Commissioning Report

I. Manufacturer's Field Reports: Submit to Departmental Representative manufacturer's written report, within 3 days of review, verifying compliance of Work and electrical system and electrical power and control testing.

1.05 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: submit operation and maintenance data for electrical equipment and installations for incorporation into manual.

B. The Contractor shall provide Operation and Maintenance Manuals to be contained in one or more volumes for all electrical power and control systems and sub systems and interfaces with the communications network provided under this contract. The Engineer will review preliminary copies of the O&M Manuals and the Contractor will incorporate the changes made into the final manual. Provide for each system and principal item of equipment as specified in technical sections for use by operation and maintenance personnel.

C. The Contractor shall furnish six copies of Manuals as specified. Two (2) preliminary copies of each manual shall be submitted to the Engineer for approval prior to shipment of subject item covered. After approval by the Engineer, six (6) copies of

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the final version of each Manual shall be submitted after the electrical work associated with the subject item is operational and accepted and shall reflect any changes made during construction. In addition, the Contractor shall furnish three (3) CD copies of the manuals in the latest “Acrobat” format. These CD’s are to include a complete set of “as built” drawings. One (1) copy of the manual’s CD version shall become the property of the Engineer.

D. Requirements for Operating and Maintenance Manuals:

1. General requirements for manuals:

a. The cover and title page shall be neatly imprinted with a descriptive title

and shall contain the name of the bridge, owner, and location. The title page shall also contain the names of the Engineer, the Contractor, and the date of issue. Divider pages with tabs shall separate the various sections, which comprise the Manual. All parts information shall be correct for the equipment provided under this contract. If standard parts drawings are used, they shall be modified so that only suitable and relevant material shall be included. All general information used as text shall be modified where necessary to show pertinence to the equipment furnished under this contract, and irrelevant material or application descriptions other than that defined herein shall be removed. The arrangement of the manual, methods of binding, including material and text shall be submitted to the Engineer for approval.

b. Manufacturer’s operating and maintenance manuals giving complete

instructions relative to assembly, installation, operation, adjustment, lubrication, maintenance, and descriptions of complete parts list shall be furnished by the Contractor for every item of equipment furnished by the Contractor.

c. Manuals may be manufacturer’s standard publications in regard to size and

binding provided that they comply with specified requirements relative to quantity and quality of information and data and the additional requirements stated herein in these specifications.

d. The operating and maintenance manuals shall be individually and

separately bound volumes, not combined.

e. Diagrams and prints used in the manual shall be reproduced to a size not to

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exceed 18 inches x 24 inches and shall be complete and legible in all respects. Diagrams shall be made on white paper and vacuum-sealed in transparent plastic material impervious to moisture and oil, and resistant to abrasion. Other formats which are equal in clarity sharpness; the Engineer will consider durability and permanence for approval.

2. Manuals shall be prepared from the following materials:

f. Loose leaf punched paper with plastic reinforcement strips.

g. Page size, 8½ inch x 11-inch. h. Fold out diagrams, chart recordings (inserted following final testing and

acceptance of the completed installation) and illustrations. i. Documents that are reproduced shall be by dry copy xerography method.

j. Covers shall be oil, moisture and wear resistant plastic.

k. All printed matter, data, drawings, etc. shall be accurate, distinct and

clearly and easily legible. Illustrations shall be clear and printed matter, including dimensions and lettering on drawings, shall be easily legible. If reduced drawings are incorporated into manuals, the original lines and letters shall be touched up as necessary to retain their legibility after reduction. Larger drawings may be folded into manuals to match the page size.

l. All printed matter, data, drawings, etc., shall be produced by methods so

as to result in permanence and durability, no materials shall be used which will adversely affect this permanence or durability.

m. All printed matter, data, drawings, etc., shall possess characteristics of

clarity, legibility, and opacity so as to be capable of reproduction onto microfilm.

n. Catalog sheets, technical bulletins and other printed matter submitted as

shop drawings in lieu of prepared drawings shall be accurate, complete and clearly legible, and shall possess suitable line work, character size, color and contrast characteristics to produce acceptable microfilm. For those catalog sheets, technical bulletins and other printed matter which, in the sole opinion of Engineer fail to meet those criteria, the Contractor

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shall prepare and submit shop drawings which shall show completely all pertinent data.

o. For those catalog sheets, technical bulletins and other printed matter approved for microfilming, sufficiently large paper tabs containing description, approval, certification and identification data shall be permanently attached thereto all as directed by the Engineer.

3. Contents of Manual

a. Table of Contents, in numerical order. b. Index, in alphabetical order.

c. Manufacturer’s literature describing each piece of equipment and

giving manufacturer’s model number and drawing number.

d. A set of descriptive leaflets, bulletins and drawings covering all items of equipment provided under this Contract. The catalog number of each piece will be given for use in case it becomes necessary to order replacement parts from the manufacturer.

e. Operation instructions for the bridge and individual devices and sub-

systems, where applicable, including step-by-step preparation for starting, operation and shutdown, both for normal and emergency operation.

f. Operator’s instructions, which shall cover in full the step-by-step

sequence of operation of the bridge for all modes of operation and shall note all precautions required for correct operation. A similar description for use of any and all bypass functions associated with the defined work, noting all precautions required for correct usage.

g. Control diagrams, as installed.

h. Sequence of operation.

i. Wiring diagrams, as-installed with color codes used.

j. Diagrammatic location, function and tag number of each device.

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k. Description of control, which shall include a list of all the shop drawings for the electrical work and shall describe in full the functions of all protective devices, limit switches, contactors, relays, and all other electrical equipment used normally or in emergencies, both in the power service and in the control, in connection with each step in the operating sequence. Wire numbers and apparatus numbers appearing on the wiring diagrams shall be used in this description for identifying the various devices.

l. Maintenance and lubrication instructions if deemed necessary by the

Engineer for the equipment, including a recommended lubrication schedule and recommended types of lubricants.

m. Description of possible breakdown scenarios, and repairs,

including detailed “shop manual” procedures for any removal and replacement of components or subassemblies, which can reasonably be assumed to be required during the life of the equipment.

n. Description of diagnostics system, which shall include flow diagrams and

operating procedures.

o. A comprehensive and detailed description of the variable frequency drive controller, including description of data, definitions of outputs, reports and troubleshooting procedures.

p. Manufacturer’s parts list of functional components, including related

control diagrams and wiring diagrams, and manufacturer’s model number and manufacturer’s part number.

q. List of nearest local suppliers of all equipment parts.

r. Lubrication schedule indicating type and frequency of lubrication.

s. Spare parts data as follows:

Complete list of parts and suppliers, with current unit prices and sources of supply.

List of parts and supplies that are either normally furnished at no extra cost with purchase of equipment or specified herein to be furnished as part of the Contract.

List of additional items recommended by the manufacturer to

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assure efficient and reliable operation in the long term.

t. Name, address and telephone number of the manufacturer’s representative and service company, for each piece of equipment, the control system vendor responsible for the bridge systems integration, so that service or spare parts can be readily obtained.

u. Overall circuit schematic diagrams.

4. Operating Diagrams (Finish and Installation)

a. Control system diagrams, ladder logic and schematic diagrams,

electrical wiring diagrams, and other diagrams necessary for operation of equipment shall be furnished and installed at the bridge in locations designated by the Engineer.

b. No single diagram shall show more than one system, or parts thereof.

c. Diagrams shall be reproduced by electrostatic plain paper copies or

approved photographic process to a size not to exceed 24 inches x 36 inches and shall be complete and legible in all respects. Systems shall be subdivided into portions, which are operable from locations where diagrams are installed, and to provide intelligible information within specified size. Diagrams shall be black on white paper and vacuum-sealed in transparent plastic chemically inert material minimum 5 mils thick impervious to moisture and oil, and resistant to abrasion. The plastic material shall not affect the permanent legibility of the drawings. Other formats which are equal in clarity; sharpness, durability and permanence will be considered. Contractor shall submit proposed method with specified details to Engineer for review and approval.

d. Diagrams to be installed shall include those systems specified in the

various items of these specifications, and shall include, though not be limited to, clearly legible drawings of the complete schematic and/or wiring diagrams of the systems installed and any other diagrams deemed necessary by the Engineer. Rigid chemically inert stock shall be placed between the outer sheets of plastic or mylar for stiffening.

e. Reproduction method(s) shall be compatible with method of sealing

and materials used and shall be subject to approval of Engineer.

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5. Maintenance Manual Finish

a. Oil, moisture and wear-resistant covers.

b. Maintenance and operation manuals shall be bound in heavy-duty, nickel-plated, three-hole binders with three trigger positions: lock, unlock and open. The binder shall have metal hinges. Locking mechanisms shall be such as to allow sheets to lie flat (i.e. Channel lock). Covers shall be stiff heavy-duty board type covered by a heavy-duty plastic or other approved material. Type of binder shall either be elliptical ring, round ring, screw post, or post with channel lock, as directed by the Engineer.

E. Final “As-Built” Drawings shall be submitted for review and approval at the completion of the project. Any field modification during construction and/or deviations from the approved Shop Drawings shall be clearly indicated. Reproducible drawings shall be made on sheets using the Project standard title block. These drawings shall be stamped "As-Built" immediately above the title block.

F. Print or engrave operating instructions and frame under glass or in approved laminated plastic. Post instructions where directed. For operating instructions exposed to weather, provide weather-resistant materials or weatherproof enclosures. Ensure operating instructions will not fade when exposed to sunlight and are secured to prevent easy removal or peeling.

1.06 CONTROL SYSTEM INTEGRATION AND QUALITY CONTROL

A. System Integrator – Contractor shall designate an individual (such as the Control System Supplier) to act as the Project's Control. Systems Integrator shall be responsible for the control system integration including the development of interconnection wiring diagrams for construction, coordination, testing and commissioning of the machinery motors, drives, motor controllers, adjustable speed drive (including programming), relay control system, and field instrumentation configuration and setup. Ensure the Control Systems Integrator is qualified in developing and coordinating these types of specialty items and is approved by the Engineer. He will serve as a single point of contact prior to, during, and after construction, and must be available for consultation during all phases of the project, including shop drawing submittal and review. All shop drawings shall be reviewed by the Control Systems Integrator prior to distribution to the Engineer for his review. The Control Systems Integrator shall stamp the reviewed shop drawings

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with an appropriate stamp indicating that he has reviewed and accepted the drawing before distribution. Ensure the Control Systems Integrator is present at all shop testing and is on site and directing all testing and commissioning of the bridge operating equipment and systems. Process any approved changes associated with the bridge electrical system through the Control Systems Integrator. He shall maintain the responsibility for coordination of the work. The contractor shall submit the pre-qualification submittal of the Control Systems Integrator to the Engineer for approval at the time of the Pre-Construction Conference. Include with the pre-qualification submittal documents that substantiate the qualifications of the proposed individual with the following minimum requirements:

1. Licensed Professional Electrical Engineer

1. Past experience integrating similar projects on movable bridges within the past ten (10) years. Provide professional experience and projects resume including a minimum of five (5) references for movable bridge projects and minimum of three (3) reference contacts to substantiate level of experience and knowledge.

B. The Engineer will review the pre-qualification submittal of the Control Systems Integrator and will be the sole judge of the adequacy of the information submitted. Inadequate proof of this ability and experience, or insufficient details, shall be cause for disqualification of the Control Systems Integrator.

C. Contractor Review and Acceptance of Shop Drawings: The Contractor shall provide a quality control process for all shop drawings and calculations that are submitted. The review shall indicate completeness of the submittal and compliance with the design. Provide a cover sheet listing the preparer(s) and checker(s) name, initials, and content responsibility. The preparer and checker shall initial each sheet to establish their content responsibility. The preparer and checker shall not be the same individual.

D. Regulatory requirements: Perform electrical construction in accordance with industry acceptable practice and complies with applicable country, region and local codes.

E. Electrical work shall be performed by qualified personnel. Installer shall be skilled in trade and shall have thorough knowledge of products and equipment specified to perform equipment and system installation in a safe professional manner.

F. All partially outdoor or outdoor electrical equipment enclosure construction, material and protective treatment shall be listed as suitable for installation in harsh environment and high humidity.

G. Electrical components, equipment and systems shall satisfactorily pass all applicable factory and field tests in accordance with the relevant industry standards. Copies of

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all test certificates and supporting documentation shall be supplied to the Department as part of submittal requirements or as requested by the Engineer.

H. Manufacturer of equipment specified shall be recognized in industry for normally supplying this type of equipment. Manufacturer shall be ISO certified.

I. Materials and equipment furnished for permanent installation shall be new, unused, and undamaged. Provide the standard cataloged materials and equipment of manufacturers regularly engaged in the manufacture of the products. For material, equipment, and fixture lists submittals, show manufacturer's style or catalog numbers, specification and drawing reference numbers, warranty information, and fabrication site. All equipment and materials shall be in accordance with the technical specification and other relevant industry standards.

J. Service conditions: Provide equipment and material suitable for intended service and installation at location indicated.

K. Parts shall be manufactured to industry standard sizes to facilitate maintenance and interchangeability.

L. Contractor shall develop detailed, step by step, testing and commissioning plan for placement of electrical equipment, apparatus, and completed electrical system in service. Contractor shall execute the plan and document the performance and test results. Contractor shall take corrective actions necessary to bring the failed and/or noncompliance test results into conformance.

M. Acceptance testing of electrical distribution system and equipment under scope of project shall conform to the specification, equipment manufacturer recommended testing and commissioning requirements, and to the latest revision of the ANSI/NETA Standard for Acceptance Testing Specifications for Electrical Power Equipment and Systems (ANSI/NETA ATS).

1.07 DESIGN ANALYSIS AND DOCUMENTATION

A. Contractor shall perform supplemental studies and/or designs per the requirements of the specification. Contractor shall submit drawings and engineering data in accordance with the submittal requirements and schedule to assure compliance with the project requirements, overall construction schedule, and the project in service date. During the design submittal process, the Contractor shall provide required design analysis.

B. Contractor’s design shall give consideration to economics, safety of operation, acceptable performance, reliability, interchangeability of parts, O&M familiarity, and other benefits.

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1.08 DELIVERY, STORAGE AND HANDLING

A. Deliver, store and handle materials in accordance with manufacturer's written instructions.

B. Delivery and Acceptance Requirements: deliver materials to site in original factory packaging, labelled with manufacturer's name and address.

C. Storage and Handling Requirements:

1. Provide temporary electrical connections to equipment heaters, or provide temporary heaters, as required to prevent damage from moisture and as required in other Sections of these Specifications.

2. Provide climate-controlled environment for the storage for control equipment/ assemblies during construction. Thoroughly dry out and put through special dielectric test as directed by the Departmental Representative or replace if not tested to the satisfaction of the Departmental Representative, any apparatus that has been subjected to possible injury by water or dampness (including the interiors of motor control equipment or any other electrical devices). Store and protect equipment from damage from mishandling, dropping or impact. Do not install damaged equipment.

3. Replace defective or damaged materials with new at no cost to Departmental Representative.

D. Develop Construction Waste Management Plan related to the Work of this Section. Remove and/or reuse and return of pallets, crates, padding, packaging materials as required.

1.09 MAINTANANCE MATERIAL

A. Provide touchup paint in same type and color for electrical switchgear, transformer, and motorized equipment to repair at least 10% of finish-painted equipment surface. Paint shall be sufficient to perform touch-up painting in accordance with shop applied material instructions for repair painting.

B. Equipment requiring special tool specific to the equipment shall be furnished with that special tools as required for installation, maintenance, and dismantling of equipment. Furnish in quantities as necessary to complete work on schedule. Tools shall be new and shall become property of Owner.

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MATERIALS 2.01 MATERIALS AND EQUIPMENT

A. Provide the standard cataloged materials and equipment of manufacturers regularly engaged in the manufacture of the products. For material, equipment, and fixture lists submittals, show manufacturer's style or catalog numbers, specification and drawing reference numbers, warranty information, and fabrication site. All equipment and materials shall be in accordance with the technical specification and other relevant industry standards.

B. Material and equipment to be UL listed. Where UL certified material and equipment are not available, obtain special approval from authority having jurisdiction before delivery to site and submit such approval as described in PART 1 - ACTION AND INFORMATIONAL SUBMITTALS.

C. Substitution: Electrical material and equipment specified in the project specifications by manufacturer name or part number constitute the basis of design material and equipment. The Contractor may provide an equivalent item manufactured by another manufacturer, subject to approval by the Engineer, with the understanding that all design and/or method of installation changes required by the substitution shall be made by the Contractor at no additional cost to the contract. Item equivalency shall be determined at the sole discretion of the Engineer and may be based on one or more of the following: quality, function, ease of maintenance, physical size, reliability, value, electrical load capacity, durability, standardized components, availability and other criteria as deemed appropriate by the Engineer.

2.02 PANELBOARD

A. Construction

1. Panelboards shall be completely factory assembled and equipped with a main circuit breaker and the type, size and number of branch circuit breakers, arranged and numbered as indicated on the panel schedule(s).

2. The panelboard enclosure shall be fabricated from corrosion resistance, code-gauge galvanized or galvanized-annealed steel (14 gage minimum) without knockouts and with full front flange. All details of construction and methods of assembly shall meet the requirements of the "Enclosures for Electrical Equipment" of the Underwriters' Laboratories and shall bear the Underwriters' Laboratories label.

3. The panel front shall be either surface or flush mounted as indicated on the drawings.

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4. Surface mounted panel boxes shall be finished with corrosion resistance treatment. Color shall be ANSI-61 light grey.

5. The panelboard enclosure ingress protection or NEMA rating shall be suitable for the install environment.

6. The front trim shall have full-length hinged outer door designed to expose the wiring raceways and breakers, when open. Another, inner hinged door shall expose breakers only, when open, making this a door-in-door construction. Both doors shall open to the right.

7. Bus bars shall be copper and plated per UL requirements. Bus bars shall be supported by glass-filled polyester-type insulators. Bus sequence shall be ABC top to bottom, left to right for both top and bottom fed panels. Neutral bus shall be copper, 200 percent rated and insulated from the cabinet and other parts.

8. A copper equipment ground bus, of sufficient width and length, shall be solidly bolted and grounded to the enclosure at the bottom and shall leave clear space for the bottom cable entries.

9. Bus bars shall be factory drilled and tapped with spacing arranged to permit breaker interchange, from the front, while the panel is energized.

10. Current ratings, and minimum short circuit interrupting capability of the panel shall be as shown on the panel schedule. Panelboards shall be fully rated. Series rated panelboards are not acceptable.

11. All multi-pole breakers shall be common trip. Branch circuits shall be arranged using double row construction.

12. A minimum of 20 percent spare pole spaces, grouped in multiple of three, shall be provided in each panelboard, for future installation. Provide single pole filler plates in the spaces, as required. Provisions or space for future breakers shall be located at the bottom of the panel and be fully bussed, complete with the necessary mounting hardware.

13. A nameplate shall be provided and located near the top of the front trim on the exterior surface, listing panel type and ratings, as required by UL.

14. Each circuit shall be permanently numbered to agree with the panel schedule, using plastic or metal buttons mounted adjacent to the breaker and secured by rivets or grommets with an engraved or depressed number. Adhesive numbering tape, painted numbers, or use of more than one number per breaker is not acceptable.

15. Pre-installed locking devices shall be provided for locking the main circuit breaker and each branch circuit breaker in the OPEN position, by means of a padlock. Locking devices shall not be removable from the front of the panel with

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the trim in place. Attachment of the locking device to the panel with adhesives is not acceptable.

B. Circuit Breakers

1. Molded Case Circuit Breakers: NEMA AB 1, FS W-C-375

2. Provide bolt-on type circuit breakers with integral thermal and instantaneous magnetic trip in each pole (common trip type).

3. Provide circuit breakers, UL listed as Type HACR, for air conditioning equipment branch circuits.

4. Provide circuit breakers, UL listed as Type SWD, for lighting circuits.

5. Provide UL Class A ground fault interrupter circuit breakers where specified on panelboard schedules and/or the Drawings.

6. Breakers shall be bolt on type, rigidly mounted, separately removable and independent of trim plates for their support. Breakers shall be industrial grade with a minimum pole width of 1-inch and a minimum height of 5-1/2-inches. Miniature circuit breakers are not acceptable.

7. The minimum symmetrical interrupting rating for molded-case circuit breakers shall be as specified on the panelboard schedule and/or Drawings. Series rated breakers are not acceptable.

8. Provide adjustable instantaneous magnetic trips for breaker with frame size 100 amperes.

9. Provide interchangeable trip units with adjustable trip pick up and delay settings for breaker with frame size 225 amperes.

10. Provide solid state trip units with long-time, short-time, instantaneous, and ground fault (LSIG) tripping characteristics for breakers with frame size 400 amperes and higher

C. Trip Unit:

1. Provide adjustable instantaneous magnetic trips for breaker with frame size 100 amperes.

2. Provide interchangeable trip units with adjustable trip pick up and delay settings for breaker with frame size 225 amperes.

3. Provide solid state trip units with long-time, short-time, instantaneous, and ground fault (LSIG) tripping characteristics for breakers with frame size 400 amperes and higher.

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D. Panel Metering

1. The panelboard shall be provided with the electronic power metering, where indicated on the Drawings and/or panelboard schedule.

2. Provide an advanced digital electronic energy meter capable of measuring the real-time RMS values of the phase currents and voltages, KW, KW demand, KWHR, KVA, KVA, KVAR, power factor, frequency, and waveform capture for power quality monitoring and analysis.

3. A communications module shall be provided using a 10Base-T Ethernet and industry standard RS-485 serial bus.

4. Potential, control power and current transformers, shorting terminal block, fuse blocks and fuses shall be completely installed and wired to the energy meter in the panelboard.

E. Surge Protective Device (SPD)

1. Provide main service power distribution panel with integral plug-on transient voltage surge suppression (TVSS) device with integral TVSS disconnect.

2. Provide sub-panel with integral plug-on transient voltage surge suppression (TVSS) device with integral TVSS disconnect where indicated on drawing and/or panel schedule.

3. Surge Current Capacity Per Phase: 160 kA

4. Mode of Protection: L-N, L-G, N-G, L-L

5. UL 1449 Suppressed Voltage Rating:

6. 400 V on 208Y/120V, 3ph, 4w system

7. 800 V on 480Y/277V, 3ph, 4w system

8. 1200V on 600Y/347V, 3ph, 4w

9. Provide with the following features: surge counter, LED indication per phase, audible alarm

F. Factory Panel Wiring

1. Provide complete factory wiring of control cabinet and equipment mounted thereon.

2. Install continuous wire from terminal to terminal. Splices not acceptable.

3. Panel, control cabinet, switchboard, motor control center, and switchgear wiring shall use flame retardant cross-linked polyethylene (XLP) or flame-retardant ethylene-propylene rubber (EPR) insulation that meet or exceed requirements of UL 44 for Types SIS, and XHHW. Minimum size: No. 14 AWG.

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4. Analog signal cable:

a. Configuration: Twisted pair, shielded, and jacketed. b. Insulation: 300-volt, 60ºC, PVC, color-coded to permit identification of each

conductor. c. Conductors: Stranded copper, 18 AWG. d. Shield: Metallized foil or tinned copper braid providing 100% coverage

against noise together with 20 AWG stranded tinned drain wire.

G. Discrete signal wire:

1. Rating: 600-volt, 90ºC, PVC insulation/jacket, Type MTW.

2. Conductors: Stranded copper, 18 AWG.

H. Power and discrete signal wire insulation color:

1. BLK: Line voltage.

2. BRN: Line voltage/fused.

3. RED: 120-volt control ac.

4. ORG: 24-volt control ac.

5. YEL: Caution/may be live from remote power source.

6. GRN: Ground.

7. BLU: Dc negative.

8. VIO: Dc positive.

9. WHT: Neutral at GND potential.

I. Group and route wire and cables from terminal blocks to panel-mounted instruments in separate wireways as follows:

1. Low-voltage/low current dc analog signals (30-volts/50 mA or lower).

2. High-voltage dc alarm signals (48-volts or greater).

3. Low-voltage ac control signals (120-volts or lower).

4. High-voltage ac power signals (greater than 120-volts).

J. Wiring interfaces:

1. External connections:

a. Install dedicated terminal strips for analog, discrete, and power signals.

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b. Provide manufacturer's standard connectors for communications, digital data, and multiplexed signals.

c. Provide surge suppressor terminal blocks for analog and discrete signals that leave building structure: Analog signal blocks: Voltage rating 24-volt ac/dc. Discrete signal blocks: Voltage rating 120-volt ac/dc.

2. Provide intrinsically safe barriers for applications where field instruments are not rated as explosionproof for use in hazardous classified areas.

3. Provide separate terminal strips and wireways for 120-volt ac and 24-volt dc circuits.

4. Terminal block requirements:

a. Type: High-density. b. Voltage: 600-volt. c. Wire range: 30 AWG to 12 AWG. d. Termination: Screw clamp compression with pressure plate. e. Mounting: Rail-mounted with end anchors and barriers. f. Spare: Provide greater amount of 20% or 6 terminals per terminal strip g. Terminate maximum of 2 wires on single connect point.

5. Wire network communication cables point-to-point rather than terminating on interposing terminal blocks.

6. Install power distribution blocks to parallel feed to power control devices. Parallel wiring from instrument to instrument not acceptable.

7. Provide plug-in strip for ac supply power to devices requiring ac power via power cord.

8. Circuit protection:

a. Install individual circuit breakers for protection of control panel power supply circuits as identified above.

b. Group circuit breakers on separate terminal strip away from low-voltage instrumentation circuitry.

c. Provide fuses for protection of individual instrumentation circuits. Instrumentation circuits for field-mounted instruments may be combined in logical groupings of no more than 10 devices/signals.

9. Provide 8 AWG internal copper grounding bus for ground connections.

K. Wire tags:

1. Type: Embossed, heat-shrink tubing. Fiber tape tagging not acceptable.

2. Color: White.

3. Identify both ends of wires and/or cables with permanent wire marker.

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L. Service equipment:

1. Provide separate circuits from power distribution panel for:

a. Instrumentation and control devices.

b. Lighting and service outlets.

2. Fluorescent lighting fixtures of sufficient size and quantity to provide 30 to 50 foot-candles of illumination within panel. Wire to UL-approved switch mounted inside panel.

3. Duplex, 120-volt ac, 3-wire grounded type convenience outlets. Provide 1 duplex receptacle per 12 sq. ft of subpanel area. Service outlets shall be powered from separate voltage source than instrumentation and DCS/PLC equipment.

M. Conductor terminal connectors shall be insulated, compression type connectors properly sized for conductor and terminal. Connectors shall be constructed of copper and shall be tin-plated.

N. Current transformers shall terminate on shorting type terminal blocks. Ship with shorting jumpers installed.

O. Prior to shipment of equipment, remove temporary wiring installed in factory for equipment testing

P. Identification and labeling:

1. Provide conductor identification sleeve on each end of each internal conductor. Mark each sleeve with opposite end destination identification with permanent black ink. Sleeves shall be UV-resistant self-adhesive type or PVC, not less than 1/2” long.

2. Permanently label each terminal block, terminal, conductor, relay, breaker, fuse block, and other auxiliary devices to coincide with identification indicated on manufacturer’s drawings.

Q. Conductors routed over hinges shall use extra-flexible stranding.

R. Field Wiring

1. Voltage rating: 600-volt.

2. Conductor: Annealed, bare copper, Class B, stranded, minimum size No. 12 AWG.

3. Cables shall pass IEEE 383 70,000 Btu/hr, ICEA T-29-520, 210,000 Btu/hr vertical tray flame tests, and UL 1581, VW-1 vertical flame test.

4. Cables shall pass IEEE 383 70,000 Btu/hr, UL Standard 83 for Type THHN or THWN wire.

5. Temperature rating: 90-degree C for normal operation in wet or dry locations.

6. Each cable shall be identified by means of surface ink printing indicating manufacturer, number of conductors, size, voltage rating, and UL listing applicable use (i.e. cable tray, direct buried, hazardous area classifications, etc.)

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7. Color coding:

a. Provide conductor sizes No. 8 AWG and smaller in following colors: b. Source voltage of 208Y/120 volts:

Phase A: Black. Phase B: Red. Phase C: Blue. Neutral: White.

c. Source voltage of 120/240 volts:

Phase A: Black. Phase B: Red. Neutral: White.

d. Source voltage of 480Y/277 volts:

Phase A: Brown. Phase B: Orange. Phase C: Yellow. Neutral: Gray.

8. Sizes No. 6 AWG and larger shall be black and color-coded with field-applied tape.

9. Multi-conductor control insulated conductors shall have colored insulation meeting ICEA Method 1, Table E-2 color code (K2 color code).

S. General-purpose building conductor used on interior lighting circuits and general-purpose branch circuits routed entirely in conduit shall be single conductor.

1. Conductor: Class B, solid or stranded, annealed, uncoated copper, minimum size No. 12 AWG.

2. Insulation: Polyvinyl chloride (PVC) complying with NEC for type THHN or THWN. Installations in dry or damp locations shall utilize THHN and installations in wet locations shall utilize THWN.

3. Jacket: Overall clear nylon jacket applied over conductor insulation, UL-listed as gasoline and oil resistant.

T. Single-conductor, low-voltage power cable for motors, feeders, branch circuits, and dc circuits routed in conduit, duct bank, or cable tray:

1. Conductors: Annealed, bare copper, Class B, stranded, minimum size No. 12 AWG.

2. Insulation: Cross-linked polyethylene (XLPE), complying with NEC Type XHHW-2. Insulation shall be sunlight resistant and cable tray (CT) rated.

3. Wire shall be identified by surface marking indicating manufacturer, conductor size, conductor material, voltage rating, UL symbol, and listed type.

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U. Multi-conductor, low-voltage power cables for motors, feeders, and branch circuits routed in cable tray, conduit or duct bank:

1. Conductors: Annealed, bare copper, Class B, stranded, minimum size No. 12 AWG.

2. Insulation: Cross-linked polyethylene (XLPE) complying with NEC Type XHHW-2.

3. Jacket: Flame-retardant, heat, moisture, and sunlight-resistant; polyvinyl chloride (PVC).

4. Phase conductors shall be cabled together with Class B stranded, bare copper grounding conductor and fillers. Ground wire size shall comply with requirements of UL 1277.

5. Cover cable assembly with helically applied polyester binder tape with minimum 10% overlap.

V. Multi-conductor, low-voltage power cables between adjustable speed drive and motors:

1. Conductors: Annealed, bare copper, Class B, stranded, minimum size No. 10 AWG

2. Insulation: Cross-linked polyethylene (XLPE) complying with NEC Type XHHW-2.

3. Jacket: Flame-retardant, heat, moisture, and sunlight-resistant; polyvinyl chloride (PVC).

4. Phase conductors shall be cabled together with Class B stranded, bare copper grounding conductor and fillers. Ground conductors: 3 segmented Class B strand, annealed copper conductors sized to meet requirements of UL 1569.

5. Armor/shield: Continuously welded and corrugated high conductivity aluminum.

W. Instrument cable installed indoor or outdoor routed in cable tray, conduit, and ducts:

1. Voltage rating: 300-volt.

2. Conductors: Annealed, bare copper, Class B, stranded, minimum size No. 16 AWG.

3. Insulation: Flame-retardant polyvinyl chloride (PVC).

4. Jacket: Flame-retardant, heat, moisture, and sunlight resistant; polyvinyl chloride (PVC).

5. Pairs/triads: Each twisted with lay not exceeding 2".

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6. Color code: Insulated conductors shall have colored insulation meeting ICEA Method 1, Table E-2 color code (K2 color code): Pairs black/red; Triads black/red/blue.

X. Thermocouple extension cable circuited in cable tray or conduit:

1. Voltage rating: 300-volt.

2. Conductors:

a. No. 16 AWG solid alloy (+Chromel / -Constantan); ANSI and ASA/ISA Type "EX".

b. No. 16 AWG solid alloy (+Chromel / -Alumel); ANSI and ASA/ISA Type “KX”.

c. No. 16 AWG solid alloy (+Iron / -Constantan); ANSI and ASA/ISA Type “JX”.

3. Insulation: Flame-retardant polyvinyl chloride (PVC), color code:

a. Type EX: Purple (+) and red (-). b. Type KX: Yellow (+) and red (-). c. Type JX: White (+) and red (-).

4. Jacket: Flame-retardant, heat, moisture, and sunlight-resistant; polyvinyl chloride (PVC); color code:

a. Type EX: Purple.1 b. Type KX: Yellow. c. Type JX: Black.

5. Assemble insulated conductors with 1-1/2" to 2-1/2" twisted lay.

6. Assembly: Provide with helically applied, laminated aluminum/polyester tape shield, with minimum lap of 15% of tape width. Flexible strand tin-coated No.18 AWG copper drain wire shall be helically wound between twisted conductors and tape shield.

Y. Category 6 communication cable circuited in tray, conduit or used for field wiring internal or between to cabinets.

1. Conductor: Solid, bare copper minimum No. 23 AWG.

2. Insulation: Fluorinated ethylene propylene (FEP) insulated singles.

3. Insulated conductors: Unshielded, twisted 4 pairs enclosed with a spline fluorinated ethylene propylene filler material.

4. Cable assembly shall be covered with clear “Flamearrest” jacket, sequentially marked at 2’ intervals. Ripcord shall be integrally installed to allow easy removal of jacket material.

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5. Each communication cable shall be identified by means of surface ink printing indicating manufacturer, model, or catalog number. Cable shall meet TIA/EIA Draft 9A CAT6.

6. Cables shall be capable of passing UL flame test Type CMP.

Z. Cable accessories:

1. Cable glands shall be selected to suit the type of cable and termination box/enclosure and shall be of the appropriate type of protection for the applicable installation environment.

2. Effective ground continuity shall be ensured between the cable armored/braid and the gland plate or the internal ground terminal.

3. Metallic cable glands should be used with metallic termination boxes. Depending on the type of cable, brass compression glands with an armored. clamping feature may be used as an alternative to the method described above.

4. Non-metallic cable glands should be used with non-metallic termination boxes, and the following conductor shall be terminated at the internal ground terminal, as appropriate to the type of cable construction:

a. the braided ground lead of the cable; b. the copper wires in the cable armored; c. the steel armored. wires via a flexible lead.

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2.03 SPLICE AND TERMINATIONS

A. Provide wire and cable connectors of high-conductivity, corrosion-resistant material with contact area equal to at least current carrying capacity of wire or cable.

B. Splices are not allowed except for lighting and general-purpose power circuits specified below or unless specifically indicated on Drawings.

C. Splices allowed in lighting and general-purpose power circuits.

1. General lighting and general-purpose building power circuits:

a. Twist-type, insulated spring connectors for splices on solid or stranded conductors smaller than No. 6 AWG.

b. Use indent, hex screw, or bolt clamp-type connectors with insulating cover, with or without tongue for splices on solid or stranded conductors No. 6 AWG and larger.

D. All terminations of #8-AWG wire and greater shall have solderless high compression indent type lugs except when connected to equipment with pressure, screw type lugs.

E. Termination of conductors to equipment with bolted connections. Use compression type lugs. Compression lugs for cables 250 kcmil and larger shall have at least 2 clamping elements of compression indents, and provision for at least 2 bolts for joining to apparatus terminals.

F. Coordinate sizes and types of conductor terminals for 600-volt power cable terminations in equipment with shop drawing.

G. Conductors larger than No. 4/0 AWG: Terminate to tinned copper bus bar drilled and tapped with standard NEMA sized and spaced holes.

H. Provide 600-volt rated terminal blocks for instrumentation and control conductors for connection to circuits external to specified equipment, and for internal circuits crossing shipping splits. Terminal blocks for external connections shall leave from centrally mounted location, not from individual devices in enclosure.

I. Provide orderly arrangement of instrument and control compartment for easy accessibility. Provide sufficient space on each side of each terminal block to allow orderly arrangement of leads to be terminated on block. Size for wire sizes of incoming conductors as necessary.

J. Locate auxiliary equipment in compartments, enclosures, or junction boxes so service personnel will have direct access without interference from structural members and instruments without removal of barriers, cover plates, or wiring.

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K. Provide shorting-type terminal blocks nearest current transformer in accessible location for each set of CTs supplied with equipment furnished, no other shorting-type terminal blocks allowed, unless specified otherwise.

L. Provide din-rail mounted miniature circuit breakers (MCB) for protection of VT circuits on line and load side. Breakers shall have alarm contacts wired to terminal blocks.

M. Provide 10% spare terminals to accommodate field circuit modifications.

N. Each control switch and lockout relay shall have minimum of 4 spare normally open and 4 spare normally closed contacts wired out to terminal blocks.

O. Circuit identification number listed on either circuit schedule or panel schedule shall be used to identify circuit, positioned as near as possible to end of each conductor on multiple single wire circuits and on cable jacket for multi-conductor cables.

P. Cable designations shall be visible after installation without requiring physical movement of cable.

2.04 CONDUIT RACEWAY

A. Provide conduit raceways as indicated on drawings and/or as specified. Where conduit size is not indicated, provide minimum conduit size in accordance with requirements of NEC.

B. Conduit shall comply with the provisions of NYSDOT Standard Material Specification 723-20 and rated for 194°F cable.

C. Conduit shall conform to the latest edition of UL 651, NEMA TC-6.

D. All fittings shall be made of the same material as the conduit.

E. Provide conduit type per the applicable locations:

1. Indoor Applications:

a. Exposed non-corrosive environment: Rigid Galvanized Steel Conduit (RGS) b. Exposed corrosive environment: Reinforced Thermosetting Resin Conduit

(RTRC) or Fiberglass Conduit c. Above grade and concealed inside wall: IMC or RGS Conduit d. Embedded in concrete: PVC Schedule 40 PVC e. Connection to electrical equipment subject to vibrations: Liquid-tight Flexible

Metallic Conduit f. Conduit stub-up: Rigid Galvanized Steel Conduit (RGS)

2. Partially Exposed to Outdoor or Outdoor Applications:

a. Exposed non-corrosive environment: Rigid Galvanized Steel Conduit (RGS)

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b. Exposed corrosive environment (petrochemical, wastewater, chemical, pulp and paper, bridges, tunnels, docks, piers, and cooling tower and vicinity): PVC Coated- Rigid Galvanized Steel Conduit (PVC-RGS). Installer shall be certified by manufacturer to install PVC coated conduit.

3. Direct Buried: PVC Schedule 80

4. Embedded in concrete: PVC Schedule 40 PVC

5. Under Roadway: Steel Reinforced, concrete encased duct bank, PVC Schedule 40 PVC ducts

6. Conduit stub-up: Rigid Galvanized Steel Conduit (RGS)

7. Provide conduit with drag line for cable pulling. Drag line shall be 0.12-inch polypropylene non-filament utility rope as manufactured by Royal American Company, Thomas Industries or approved equal.

8. Submersible Applications: Flexible fiberglass composite underwater duct with design pressure strength of three time the pressure of the installed water depth minimum.

F. Rigid Metal Conduit

1. Rigid metal conduit shall be construct of mild steel tube with continuous welded seam in accordance with ANSI C80.1, and UL 6.

2. Exterior and Interior of conduit shall have protective coating consisting of Metallic zinc applied by hot-dip galvanizing or electro- galvanizing with a final coat of transparent zinc chromate to exterior. Exterior and interior coatings applied to conduit shall afford sufficient flexibility to permit field bending without cracking or flaking.

3. Thread pitch shall conform to ANSI/ASME B1.20.1. Taper shall be 3/4”/ft.

4. Each length of conduit shall have UL listing label.

5. Couplings, unions, and fittings: Threaded-type, galvanized steel. Covers shall have solid gaskets and captive screw fasteners.

6. Size of conduits shall be as indicated on construction drawing or as specified herein. Where size is not indicated, it shall be in accordance with the fill requirements as defined in the NEC. Unless otherwise indicated, the minimum size conduit shall be 3/4 inches.

7. The RGS conduits shall be hot dipped galvanized inside and out with hot dipped galvanized threads.

8. Each underground joint shall be sealed and made liquid-tight.

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9. Stainless steel screws shall be furnished and used to attach the covers to the conduit fittings. All coated material shall be installed, patched according to the manufacturer’s latest printed recommended installation and patching instructions, and as approved by the Engineer.

10. All conduits shall be secured to outlet boxes, junction boxes or cabinets.

11. All conduit terminations shall be equipped with insulating bushings.

12. Couplings, connectors and fittings used for the installation shall be of a type specifically designed and manufactured for use with the supplied plastic-coated conduit. Flexible liquid-tight conduit and connectors shall be used where final connection to equipment with rigid conduit is not practicable, such as to equipment with adjustable mountings or subject to vibration as specified above. Where used the flexible conduit runs shall be no less than 20 inches in length or as approved by the Engineer.

13. Use solid gaskets. Ensure conduit fittings with blank covers have gaskets, except in clean, dry areas or at the lowest point of a conduit run where drainage is required.

G. PVC-Coated Rigid Galvanized Steel Conduit

1. PVC-coated raceway shall be installed as a system, which means the fittings, conduit bodies, straps, hangers, boxes, etc., are also coated.

2. Exterior coating shall be a minimum of 40-mil, polyvinyl chloride (PVC) coating over exterior and apply urethane coating uniform and consistent to interior of conduit. Internal coating shall be nominal 2 mil thickness. Conduit threads shall be protected by urethane coating.

3. Use manufacturer acceptable method when threading the PVC coated conduit.

4. The integrity of PVC coating shall be maintained at the threaded connection.

H. Reinforced Thermosetting Resin Conduit (RTRC)

1. Reinforced Thermosetting Resin Conduit shall be an epoxy-based resin system using anhydride-curing agent. RTRC shall be UL 1684 listed.

2. Conduit shall consist of continuous E-glass roving. Additives for increasing flame spread and lowering smoke density shall be halogen free.

3. The conduit shall be rounded and shall be free from all defects including indentations, delamination, pinholes, foreign inclusions, and resin-starved areas. The bore of the conduit shall be smooth and uniform.

4. Carbon black shall be used as ultraviolet inhibitor to protect conduit and fittings.

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5. Dielectric strength shall exceed 400 volts/mil when tested in accordance with ASTM D149.

6. All elbows and fittings shall be manufactured from the same process, methods and chemicals as the conduit. Fittings, elbows, joints and accessories shall be as recommended by manufacturer to maintain UL listing of components and system.

7. Conduit bodies shall be manufactured using compression molding process using vinyl ester resin with reinforcement glass. Bodies shall be fire resistant in accordance with UL 1684 and be halogen free.

8. Minimum wall thickness of 0.09 inches for normal size 2”-4” for general application. Extra heavy wall with minimum wall thickness of 0.25 inches for normal size 3”-8” for heavy loading, long span, and/or under water crossing applications.

I. Liquid tight Flexible Metallic Conduit (LFMC)

1. Conduits to motors and other electrical vibrating equipment shall terminate in conduit fittings on the motors and equipment, the final connection being made with liquid-tight flexible conduit and suitable liquid-tight connectors.

2. Flexible conduit shall be as short as possible and in no case shall exceed a conduit run of 2m.

3. Provide liquid-tight flexible metallic conduit with a protective jacket of PVC extruded over a flexible interlocked galvanized steel core to protect wiring against moisture, oil, chemicals, and corrosive fumes.

4. All fittings used for flexible metallic conduit shall be specifically designed for such conduit.

5. Liquid-tight unions shall be installed where standard threaded couplings cannot be used.

J. Rigid Non-metallic Conduit

1. Ensure rigid non-metallic conduit complies with NEMA TC 2 and NEMA TC 3 with wall thickness not less than Schedule 40.

2.05 ENCLOSURE, JUNCTION BOXES, AND TERMINAL CABINETS

A. Size junction boxes, pull boxes, and enclosures in accordance with requirements of NEC.

B. In general, all electrical equipment and instrumentation shall be in enclosures. Enclosures, junction boxes, and terminal cabinets located in exposed or semi-

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exposed locations shall be stainless steel, NEMA 4X (or IEC type IP56 rated) as a minimum.

C. Enclosures, boxes, and cabinets in wet locations or subject to condensation shall include a drain hole at the low point of the enclosure.

D. Interior flush mounted outlet boxes shall have a cadmium or galvanized finish and be pressed code gage steel. All covers shall be stainless steel with a satin finish to match size of box.

E. Building interior pull boxes and junction boxes shall be galvanized finish 14 gage steel to UL requirements for sizes required for building interior applications. Covers shall be galvanized 14 gage sheet metal with sheet metal screws for fasteners. All edges shall be free from burrs.

F. General purpose enclosures, boxes, and cabinets installed indoors in unconditioned space shall be NEMA 12 rated.

G. Enclosures, boxes, and cabinets in dry, environmentally controlled areas and that are exceptionally clean may be NEMA 1 rated.

H. Standard 2-inch x 4-inch outlet boxes shall be a minimum of 2.5 inches deep and standard 4-inch square outlet boxes shall be a minimum of 2.5 inches deep in size. Size shall conform to the NEC for wire fill and conduit attachments.

I. Junction boxes pull boxes and electrical enclosures larger than 4” trade size in any dimension shall be of adequate strength to support mounted components without deflection during shipment and installation.

J. Underground boxes shall be specifically design and construct for intended installed location and be either pre-formed concrete or high strength fiberglass. Body and Cover shall be capable of withstanding, without failure, type of traffic in general area.

K. Electrical enclosures located in outdoor, wet, or hose down areas shall be provided with space heaters, adjustable thermostat with set point temperature indicator, and miniature circuit breaker protective device. Space heater capacity shall maintain enclosure internal temperature above dew point under specified service conditions.

L. Outdoor electrical enclosures with ventilating openings shall be provided with fine mesh filters and stainless-steel bug screens.

M. Conduit entrances: Field drilled.

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2.06 HARDWARE

A. Provide hardware including, but not limited to, anchor bolts, nuts, washers, expansion anchors, wire nuts needed for installation.

B. Provide corrosive resistance hardware suitable for the environment and compatible with the electrical equipment construction and degree of environment and ingress protection.

C. Hardware smaller than 3/4” shall match NEMA standard size bolt holes on motors and electrical equipment.

2.07 DRY-TYPE TRANSFORMERS

A. Provide separately mounted transformers as shown on Drawings. General purpose dry-type transformers with windings 600 volts or less shall be two-winding, 60 hertz, self-cooled in accordance with UL 506.

B. Enclosures shall be made of sheet steel with corrosion-resistant finish and manufacturer’s standard color. Ingress protection rating shall be suitable for the environment and in accordance with requirements of this Specification.

C. Provide at least 2 full kVA capacity voltage taps above and 2 full kVA capacity taps below nominal rating. Each tap shall be 2.5% step.

D. Transformer shall be capable of at least 150ºC rise above rated site maximum ambient without degrading transformer life.

E. Transformers shall be capable of continuous operation at rated kVA with normal life expectancy as defined in ANSI C57.

F. Noise levels and vibration emitted from the transformer shall be limited to those defined in NEMA ST-20 and IEEE C57.12.01.

G. The efficiency of a low-voltage dry-type distribution transformer manufactured shall be no less than that required for their kVA rating in the table below. Low-voltage dry-type distribution transformers with kVA ratings not appearing in the table shall have their minimum efficiency level determined by linear interpolation of the kVA and efficiency values immediately above and below that kVA rating. All efficiency values are at thirty-five percent of nameplate-rated load temperature corrected to 75°C, determined according to the DOE Test Method for Measuring the Energy Consumption of Distribution Transformers under Appendix A to Subpart K of 10 CFR part 431.

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Energy Conservation Standards for Low-Voltage Dry-Type Distribution Transformers

Single-phase Three-phase kVA Efficiency % kVA Efficiency % 15 97.70 15 97.8925 98.00 30 98.2337.5 98.20 45 98.4050 98.30 75 98.6075 98.50 112.5 98.74100 98.60 150 98.83167 98.70 225 98.94250 98.80 300 99.02333 98.90 500 99.14— — 750 99.23— — 1000 99.28

2.08 SAFETY DISCONNECT SWITCHES

A. Provide electrical equipment with heavy-duty, quick-make, quick-break, non-fused type isolation switches, NEMA 4X enclosure. The isolation switches ratings shall be as indicated on the construction drawings. If not indicated and required by local authority, provide safety isolation switch rating suitable the application operating voltage, current rating, number of poles, and installed environment.

B. Switch construction is such that the operating handle shall be integral part of enclosure base and when the switch handle in the "ON" position, the cover or door cannot be opened.

C. Provide provisions to lock the handle in the "OFF" position. The handle shall not be capable of being locked in the "ON" position.

D. Provide two (2) auxiliary contacts rated at 15A to be use for space heater circuit and for disconnect position status.

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2.09 WIRING DRVICES

A. Lighting switches for interior building application shall be mounted in outlet boxes with covers. The switches shall be 20A, 120/277 VAC rated toggle type tumbler switch for all indoor applications. The switches shall be brown in color heavy duty with silver alloy contacts on leaf spring, molded bases and cover cap with side and back terminal screw connections. All switches shall be single pole and manufactured by Hubbell, Arrow-Hart, and Pass & Seymour or approved equal.

B. Lighting switch for outdoor, wet and/or damp location applications shall be in weather proof box and cover, NEMA 4X, IP66, Type: Lever Switch. Color: Yellow. For use with all 15A-40A Toggle Switches.

C. Photocontrol shall be capable of 120V operation with 20A contact rating suitable for inductive and continuous contactor coil burden. The photocontrol shall turn on at four foot-candles with time delay to prevent false turn on or off. Contacts shall be single pole, single throw. Acceptable manufacturers are Tork, General Electric, Stonco or approved equal.

D. Provide convenience receptacle outlets as indicated on drawings.

E. Provide receptacle outlets with ground fault protection as required by the NEC.

F. The degrees of ingress protection rating (IP Code) or NEMA enclosure rating shall be suitable for the installation environment.

G. The convenience receptacle outlets shall be standardized for each rating and type, shall comply with local standard. Plugs shall not be interchangeable with sockets of a different voltage or current rating. The receptacle outlets shall have a ground connection incorporated.

H. Convenience receptacles for interior building application shall be duplex type, 20A, 125V, 2-pole, 3 wire type and brown color. Receptacles shall be NEMA Class 5-20R of specification grade, grounding type with side and back terminal screw connections.

I. Receptacles for outdoor applications shall be in raintight boxes with neoprene gasketed, locking covers, and shall be protected by ground fault interrupter (GFI).

J. The 208V power receptacles placed in the control tower basement and on the exterior of the control tower or bridge structures shall be twist-lock NEMA Class L6-30R with a 30A, 2-pole, 250V rating.

K. Ground fault interrupter (GFI) type duplex receptacles shall be NEMA Class 5-15R 15A, 120V rating. Device trip level shall-not-exceed 6 milliamps and a "TEST" and "RESET" button shall be in the face of the device.

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L. Acceptable manufacturers for all receptacles are Hubbell, Arrow-Hart, Pass & Seymour or approved equal.

2.10 WELDING RECEPTACLE

A. Power and welding outlets shall be 3 phase, 3 wire, 4 pin industrial switched socket units. Voltage and current ratings are as indicated on drawings.

B. All welding outlets shall be suitable for outdoor installation. Not more than two outlets shall be connected to one circuit which shall be fed with 30 mA ground leakage circuit breakers on the source power panel.

C. The power outlets shall be connected so as to have the same phase rotation, ensuring that correct rotation of movable equipment is obtained from all outlets.

D. Provide 1 matching plug with appropriate woven grip and plug cap for cable size. Match receptacles to equipment.

2.11 MOBILE GENERATOR RECEPTACLE OUTLET

Provide mobile generator receptacle outlet at locations indicated on drawings. The mobile generator receptacle outlet shall be pin and sleeve type receptacle suitable for APPLETON Model AP20044CD style plug. The mobile generator receptacle outlet shall have a rating of 200A, 4-wire, 4-pole, Style 1 configuration (APPLETON Model ADR20044 or equivalent) weather proof, NEMA 4.

2.12 LIGHTING FIXTURES AND LAMPS

A. Provide lighting fixtures of types, quantity, and locations as indicated on the design drawings.

B. Manufacturers and catalog numbers shown on lighting fixture schedule are indicative of the general type desired and are not intended to restrict the selection to fixtures of any particular manufacturer. Fixtures with the same salient features and equivalent light distribution and brightness characteristics, of equal finish and quality, are acceptable.

C. Provide lamps of the proper type and wattage for each fixture. The electrical ratings of lighting fixtures shall be compatible with the electrical supply source for the applicable lighting circuit.

D. The degrees of protection rating (IP Code) shall be suitable for the installation environment.

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E. Provide Light Emitting Diode (LED) Lamps and Fixtures unless indicated otherwise on the drawings.

F. LEDs shall be tested per IES LM-79, LM-80, and TM-21 parameters. The test reports shall be submitted to the engineer with the LED light fixture submittals for review and approval.

G. The LED system (LEDs and the driver) shall have minimum rated life of the combined system is approximately 50,000 hours.

H. LED luminaire shall be provided with surge-protection devices (SPDs) be provided for each. SPDs shall be UL1449-recognized for all phases (line/neutral, line/ground, and neutral/ground).

I. Exit Signs shall be LED and shall use no more than 5 watts for the entire sign.

J. Provide heavy duty toggle switch for control lighting fixtures with rating suitable for the application voltage and current ratings.

2.13 NAVIGATION LIGHTS

A. Navigation lights shall be furnished and installed as indicated on the Contract Drawings.

B. The navigation lights shall conform to the requirements and be in accordance with the rules and regulations of the U.S Coast Guard.

C. Provide navigation lights as indicated on the plans. The channel margin lights are to be mounted on each side of the span near the shore line, and vertical lift span lights are mounted at the center on each side of the span. The channel margin lights shall be Model CM, as manufactured by B&B Roadway or equivalent. The vertical lift span light shall be Model VL, as manufactured by B&B Roadway or equivalent, and power shall be switched between red (bridge closed to maritime traffic) and green (bridge open) sections by a separate remote switch as part of the bridge controls.

D. For all navigation lights, the doors and lenses shall be gasketed, and each entire unit shall be completely weatherproof. Fittings shall be non-corroding and the sockets shall be of porcelain, mounted on shock absorbers. The housings for all units shall be cast bronze.

E. The housing shall be of cast aluminum. Casting alloy used shall be suitable for marine environment. Construction shall be rain-tight and fully gasketed. The light assembly shall be designed for heavy duty, long life service. Design shall provide ready access for lamp service.

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F. Lens for channel margin light shall be tempered fresnel glass. Lens section shall be 180 degrees red. Inside lens diameter shall measure approximately 7". Outside lens diameter shall measure approximately 8".

G. Lens for vertical lift span light shall be heat-resistant fresnel glass. Lens sections shall be 180 degrees red over 360 degrees green. Inside lens diameter shall measure approximately 7". Outside lens diameter shall measure approximately 8".

H. Lamps, dual lamps per section, shall be medium base, 120V, 100,000-hour LED lamps provided in a color to match the lens. Medium base receptacles shall be rated for 250V, 660W and shall be porcelain with a nickel-plated brass shell to resist lamp freezing. The dual lamp arrangement shall be provided with an automatic transfer relay shall switch power to the backup lamp upon failure of the primary lamp. The relay shall provide a second independent contact for remote signaling of “primary lamp failure” status. Transfer relay components shall be contained in a cast box of the same material as the fixture head.

I. Lamp fixture head shall be suspended from the swivel on a 1 1/2" schedule 40 pipe, 1.90" O.D. Pipe material shall be stainless pipe used with bronze castings. Standard dimension from center of swivel to focal plane of upper lens shall be 48”.

J. The swivel design shall provide for all wiring to be completely contained inside the light assembly. Gaskets and O-rings shall be used to provide a weather-tight assembly. Swivel shall be of heavy-duty construction, cast of the same material as the fixture head. Spindle shall be of stainless steel.

K. An automatic latch shall hold the light securely in normal operating and service positions. A firm pull on the service chain shall automatically release the latch, allowing the fixture to pivot. As the light is raised, latch shall automatically engage to hold light in the service position. Service position shall be 30 degrees from vertical. Fixture assembly shall be dual-handed (i.e. light may be pulled up from either side).

L. Base shall be cast of the same material as the fixture head (aluminum or silicon bronze). Light assembly shall mount via four 1/2" diameter bolts through the base, provided by installer to suit installation.

M. An astronomical clock control unit shall be a completely self-contained weatherproof device rated 40A at 120 volts and shall be provided with a time delay feature and a deluxe, encapsulated lightning arrestor for protection against surges and lightning. The unit shall provide turn-on of the navigation lighting system at 10 Lux, nominal. The unit shall be suitable for operation within a temperature range of 55 degrees below zero to 70 degrees centigrade above zero and shall have a failsafe feature so that the lighting load remains energized in the event of component failure. The unit shall be suitable for installation in a twist lock receptacle with adapter for

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mounting on metal PVC coated rigid conduit. The astronomical timer shall be mechanical type, Tork General Purpose Model 1101 or approved equal.

N. A two-position selector switch shall be provided on the control desk for operating the navigation lights. In the “Auto” position, the lights shall be controlled by the astronomical timer control device. The “ON” position shall override the timer and turn the lights on.

2.14 AIR HORN

A. Furnish one heavy-duty, self-contained dual air horn unit and install on the outside of the tender house as described on the Contract Drawings and as herein specified. The horns shall be oppositely directed and parallel to the channel axis when the span is closed. A welded structural steel mounting bracket, hot-dipped galvanized after fabrication, shall be furnished and installed and the horn unit mounted thereon.

B. Each horn shall have a free-floating phosphor bronze diaphragm vibrating at approximately 300 Hz when excited by air pressure; the horns shall be rated 120 dB at 10’ for operation on 120 volt and 60 Hz. The mechanism shall be connected to a trumpet-shaped resonant projector of spun brass.

C. Air shall be applied to each horn by a separate oscillating diaphragm compressor mounted on each end of an integral motor. The motor shall be ¾ HP, 120 volt single-phase and 60 Hz, totally enclosed, non-ventilated suitable for mounting inside the bridge tender house and housed in a general purpose NEMA 1 enclosure together with required compressor control and protection devices.

D. Projectors shall be weatherproof, stainless steel and approximately 4” in length.

E. Interior and exterior mounting plates and fastenings for mounting of the duplex horn and compressors shall be provided as part of this item, with all piping connections and fittings required to interconnect the compressors and horn mechanisms to be ½” brass pipe.

F. The Contractor shall submit outline-dimensioned drawings, of his proposed air horn unit, mounting details, and specification in the form of catalog cuts and data sheets of proposed air horn to the Engineer for approval prior to procurement.

G. Proposed unit shall be manufactured by B&B Roadway their type AHR-2 or Engineer approved equal.

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2.15 PIT SUMP PUMP SYSTEM

A. The contractor shall provide labor, material, equipment, and incidentals required to provide centrifugal sump/effluent pumps as specified herein.

a. Horse power and voltage ratings as indicated on the drawings.

b. The unit shall produce 90 G.P.M. at 30 feet of total dynamic head.

c. The castings shall be constructed of class 25 cast iron. The motor housing shall be oil filled to dissipate heat.

d. Motor shall be three-phase motors. At maximum load the winding temperature shall not exceed 130 degrees C unsubmerged.

e. Air filled motors shall not be considered equal since they do not properly dissipate heat from the motor. All mating parts shall be machined and sealed with a Buna-N O-ring. All fasteners exposed to the liquid shall be stainless steel. The motor shall be protected on the top side with sealed cord entry plate with molded pins to conduct electricity eliminating the ability of water to enter internally through the cord. The motor shall be protected on the lower side with a dual seal arrangement.

f. The pump shall have a dual seal arrangement consisting of a lower and upper seal to protect the motor from the pumping liquid. The lower seal shall be an FKM fluoroelastomer OR Buna N molded double lip seal, designed to exclude foreign material away from the main upper seal. The upper seal shall be a unitized carbon ceramic hard face seal with stainless steel housings and spring. The motor plate / housing interface shall be sealed with a Buna-N O-ring.

g. The pump shall have cast iron support legs, enabling it to be a free-standing unit. The legs will be high enough to allow ¾” solids handling.

h. The impeller shall be a class 25 cast iron 2 vane impeller, with pump out vanes on the back shroud to keep debris away from the seal area. It shall be screw mounted to the motor shaft with a bonding agent.

i. The submersible pump shall be supplied with of multiconductor power cord of sufficient length for the installed condition. It shall be cord type SEOOW (3-ph), capable of continued exposure to the pumped liquid. The power cord shall be sized for the rated full load amps of the pump in accordance with the National Electric Code. The power cable shall not enter the motor housing directly but will conduct electricity to the motor by means of a water tight compression fitting cord plate assembly, with molded pins to conduct electricity. This will

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eliminate the ability of water to enter internally through the cord, by means of a damaged or wicking cord.

B. Provide Pump Control System fully equipped with circuit breakers, contactors, H-O-A switch, adjustable overload relays, branch circuit protection, pump disconnect, control switches, alarms and indications.

C. Pump Control System: Provide duplex pump(s), three-float operation control system in a NEMA 4X enclosure to perform the following functions:

a. As the liquid level rises to the stop float and tips it to the ON (closed) position, the panel will remain inactive.

b. As the liquid level tips, the lead float, the lead pump will start. If the liquid level tips the lag/alarm float, the lag pump will start and the audio/visual alarm will activate. Both pumps and the alarm will remain active until the liquid level drops and the lag float is in the OFF (open) position. At this time the alarm will silence. Both pumps will remain on until the liquid level drops to normal and all three floats are in the OFF (open) position.

c. When both pumps have stopped running, the alternator will switch the lead pump and lag pump operating functions in the next sequence.

d. Pump Control System shall be provided with alarm system (Horn and Indicator). When an alarm condition occurs, a red light and a horn will be activated. If the test/normal/silence switch is moved to the silence position, the horn will be silenced. When the alarm condition is cleared, the alarm system is reset. The alarm system can be tested by moving the test/normal/silence switch to the test position. Lights will illuminate when control/alarm power is supplied. Provide float status lights, which will illuminate when the respective float is in the closed position. Provide alarm reset and overload with automatic/manual reset capability.

e. The run light will be ON in either the hand or the automatic mode when the pump is called to run.

D. Provide a hand-off-automatic switch for each pump. In the hand mode, the pump will turn on unless other safety features are employed. In the automatic mode, the pump will turn on from commands by the float switch(es).

E. The pump circuit shall be protected by a thermal-magnetic circuit breaker which provides pump disconnect and branch circuit protection.

F. Provide dry auxiliary contacts.

a. A normally open (NO) - Contacts are open under normal conditions and closed when alarm condition is present.

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b. A normally closed (NC) - Contacts are closed under normal conditions and open when alarm condition is present. Both types automatically reset once alarm condition is cleared.

G. Provide each sump pit with fluid immersion heater. The immersion heater shall have the following construction, functions, and features:

a. The immersion heater shall be designed for top mounting in large or deep enclosed tanks having a manhole access or opening suitable to insert and attach the heater.

b. NEMA 4 terminal housing is easily removable and resealed to facilitate installation.

c. The tubular elements bundle diameters 254 mm (10") OD. Element watt densities as required to maintain temperature of sump pit liquid above 60-degree F. The heater shall be rated for 2 kW (208V, 3-phase) minimum.

d. Heaters shall be factory wired for three-phase. All wetted parts shall be 300 series stainless steel. The control unit shall include 15.5 to 121ºC (60 to 250°F) double-pole thermostat mounted in upper housing that has a 9.5 mm (3/8") diameter bulb and capillary installed in watertight thermowell with adjustable compression fitting.

2.16 FINISHES

A. Manufacturer’s standard coating systems shall be factory-applied. Coating systems shall provide resistance to corrosion caused by weather and industrial environments.

B. Uncoated machined and ferrous surfaces subject to corrosion shall be protected with rust-inhibitor compounds. Surfaces to be field welded shall be coated with consumable rust-inhibitor compounds that will not affect quality of weld.

C. External gasket surfaces, flange faces, couplings, rotating equipment shafts and bearings shall be thoroughly cleaned and coated with rust-inhibitor compound.

2.17 IDENTIFICATION AND TAGGING

A. Conduits inside manholes, hand holes, and building entrance pull boxes shall be provided with 19-gage stainless steel identification tags, with 1/2” stamped letters and numbers. The conduit tag shall provide, as minimum:

1. Conduit/duct identification

2. List of circuits contain in conduit/duct cell

B. Provide power, control, and instrumentation cables with permanent type identification markers with typed cable numbers and from/to information at each

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point of termination. Tags shall be permanent, wrap around, heat-shrinkable type with typewritten information. Cable identification tags shall match cable indicated of final construction shop drawings.

2.18 SIGNAGE AND EQUIPMENT NAMEPLATES

A. Ensure each item of equipment has a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent is not acceptable. Nameplates for equipment installed outdoor and in the corrosive area shall be stamped 316 stainless steel and shall be attached with stainless steel hardware.

B. Motor starters, either separately mounted or contained in motor control centers, shall have nameplates identifying electrical equipment load served. Where separate control and indicating lights are used, starters shall have engraved or etched legends ("start", "stop", etc.) as shown on Drawings.

C. Provide control stations with nameplates identifying electrical equipment load served. Control and indicating lights shall have engraved or etched legends as shown on Drawings.

D. Circuit breakers within main switchboards and distribution switchboards shall be provided with nameplates identifying equipment being served.

E. Fused and non-fused disconnect switches shall have front cover-mounted nameplate indicating switch type, manufacturer's name, catalog number, and appropriate rating for equipment served. The contractor shall also provide field installed nameplate to identify equipment being served.

F. Lighting and auxiliary power transformers shall have front cover-mounted manufacturer’s standard nameplates with manufacturer data, serial and model numbers, electrical ratings, etc. The contractor shall also provide field installed nameplate to identify location of derived power source (identification and location)

G. Provide safety signage and arc flash hazard warning labels on the electrical equipment per the requirements of the NEC and NFPA 70E.

H. Provide one-line diagram permanently mounted to structure or wall located within sight of the main service switchgear.

I. Place permanent legible warning sign with wording “Danger – High Voltage” required for following locations with equipment over 600 volts:

1. At entrances to electrical equipment vaults and electrical equipment rooms, areas, or enclosures, and manholes and handholes, unless words are cast into access cover.

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2. At points of access to conductors on high-voltage conduit systems and cable systems.

3. On cable trays and cable trench containing high-voltage conductors with maximum spacing of warning notices not to exceed 10’ (3 m).

CONSTRUCTION DETAILS

3.01 PROTECTION AGAINST CORROSION

A. Provide equipment enclosures with the standard finish by the manufacturer when used for most indoor installations. For indoor installation, hot-dip galvanized ferrous metals hardware is acceptable.

B. For outdoor installation of electrical equipment, provide stainless steel hardware such as, but not limited to, anchors, bolts, braces, boxes, bodies, clamps, fittings, guards, nuts, pins, rods, shims, thimbles, washers, and miscellaneous hardware.

C. Where connected to dissimilar metal, provide suitable fittings and treatment.

3.02 INSTALLATION

A. Conduits, Raceways and Fittings

1. During the construction phase, all open ends of the conduit termination shall be plugged with approved conduit stopping plugs to prevent ingress of moisture, water, and construction debris and/or aggregate

2. Conduits shall be swabbed out and free from moisture before wiring work is to commence.

3. The number of cables drawn into a conduit shall be such that no damage will be caused to the cables or to the conduits during their installation.

4. The conduit fill shall not exceed the allowable fill dictated by the local country electrical installation codes; in no case, the maximum shall exceed 40% filled based on the total cross-sectional area of the cables and the total inner cross-sectional area of the conduit.

5. Conduits shall be installed in practical alignment with the structure, with uniform pitch draining toward boxes with properly formed bends and securely attached to the bridge structure.

6. Surface mounted shall be supported throughout the entire route at regular intervals. The spacing between adjacent support points shall not exceed the manufacturer recommendation for their respective conduit sizes.

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7. Where rigid steel conduit crosses an expansion joint or where significant temperature differentials are anticipated (such as outdoor raceway spans between structurers, attached to bridges, on rooftops, etc.) expansion fittings shall be provided to allow relative movement to occur on either side of the expansion joint. A separate circuit protective conductor shall be installed to maintain an effective electrical continuity across the expansion joint. Provide factory installed packing ring, designed to prevent the entrance of moisture, and a pressure ring. Include a Grounding ring or a Grounding conductor for metallic expansion couplings.

8. An adequate number of suitably sized adaptable boxes shall be provided in all conduit runs to facilitate circuit wiring installation without damage. Adaptable boxes shall be provided immediately after every two bends, or after a bend plus a maximum straight run of 30 ft, or after a maximum straight run of 50 ft.

9. Conduit ends shall be reamed prior to installation and open ends plugged following installation. Each run shall be thoroughly clean prior to pulling of wires. Conduits shall enter junction boxes or enclosures squarely and terminate securely with approved bushings and locknuts.

10. Conduit runs between outlet and outlet, between fitting and fitting, or between outlet and fitting cannot contain more than the equivalent of three 90-degree bends, including those bends located immediately at the outlet or fitting.

11. Do not install crushed or deformed conduit. Avoid trapped conduit runs where possible. Take care to prevent the lodgment of foreign material in the conduit, boxes, fittings, and equipment during the course of construction. Clear any clogged conduit of obstructions or be replaced.

12. Provide required penetrations in floors, walls, or roofs. Penetrations shall be as small as possible and installed in neat manner. Repair of the surrounding surfaces damaged during installation of penetrations shall be included as part of this work

13. Where a conduit passes through fire resistant structural elements, such as walls and floors designated as fire barriers, the penetration openings shall be properly sealed according to the appropriate degree of fire resistance of the penetrated wall and/or floor to prevent the spread of fire and smoke from one area migrating into another. In addition, where a conduit is installed in a channel, duct, ducting, trunking or shaft which pass through such elements, suitable fire-resistant barriers shall also be provided to prevent the spread of fire.

B. Rigid Steel Conduit

1. Conduit shall not be bent with an acute angle. Conduit bends and offsets shall be made with appropriate conduit bending machine. The internal radius of the bend shall not be less than 2.5 times the outside diameter of the conduit. Use long

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radius conduit for elbows larger than 65 millimeters.

2. Joint in steel conduits shall be made by means of a solid coupler into which the adjacent ends of the two conduits shall be inserted to approximately half into it and screwed up tightly in order to make the conduit run mechanically and electrically continuous. No threads on either conduit shall be exposed.

3. Provide all conduit stubbed-up through concrete floors for connections to free-standing equipment with the exception of motor-control centers, cubicles, and other such items of equipment, with a flush coupling when the floor slab is of sufficient thickness. Otherwise, provide a floor box set flush with the finished floor. For conduits installed for future use, terminate with a coupling and plug set flush with the floor.

4. Threads must be clean to insure electrical continuity of the assembled raceway system. Leave the thread protectors on the conduit until ready to use. Wipe field-cut threads with a clean cloth to remove excess oil and apply an electrically conductive corrosion resistant coating.

5. The steel conduit installation shall be mechanically and electrically continuous throughout and effectively grounded.

C. PVC-coated Rigid Galvanized Steel Conduit

1. To minimize installation damage to the PVC coatings, the contractor shall use only tools specially designed for PVC-coated conduit or standard tools that have been appropriately modified for installing PVC-coated conduit. Standard tools which have not been modified could damage the coatings and shall not be used to install PVC coated conduit.

2. The conduit threaded in the field shall be coated with an electrically-conductive, corrosion resistant compound. Provide sleeves on PVC-coated conduit couplings and fittings to insure continuous coating protection between a section and fitting.

3. Provide conduit sleeve or opening for grouping of multiple conduits to pass through concrete wall structure with proper seal and support.

4. When expansion joints are used in PVC-coated conduit systems, the contractor shall install an external bonding jumper by removing a portion of the PVC coating from the conduit where the jumper will be attached, installing the jumper, then repairing the surrounding coating with touch up compound provided by the manufacturer. Specific instructions from the PVC-coated conduit manufacturer shall be followed for proper installation.

D. Flexible Metallic Conduit

1. Use flexible metallic conduit to connect recessed fixtures from outlet boxes in ceilings, transformers, and other approved assemblies.

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2. Provide conduits with a continuous copper bonding conductor spiral wound between the convolutions for continuous ground bonding for electrical systems. Flexible conduit is not considered a ground conductor.

3. Connect equipment that moves due to vibration, normal operation of mechanism, or thermal expansion with flexible conduit.

4. Use liquid-tight flexible metallic conduit in wet and oily locations and to complete the connection to motor-driven equipment.

5. Flexible metal conduit 1-1/2” and larger shall be installed with external lugs and external grounding conductor.

E. Rigid Nonmetallic Conduit

1. Ensure rigid PVC conduit is direct buried.

2. Install an insulated copper Grounding conductor in conduit with conductors and solidly connect to ground at each end.

F. Splices and Connectors

1. Make all splices for conductor AWG No. 8 and smaller with approved indentor crimp-type connectors and compression tools.

2. Make all splices for conductor AWG No. 6 and larger with bolted clamp-type connectors. Wrap joints with an insulating tape that has an insulation and temperature rating equivalent to that of the conductor.

G. Wiring

1. All circuit cables be installed in raceway system and be protected against physical damage. The cable routing shall be selected in a way to allow a complete segregation of low voltage power cables and of control signal and communication cables. Cable crossings in the same plane shall be avoided.

2. Circuit wiring installation shall include placement, termination, identification, testing, and verification proper circuit wiring of each circuit and conductor.

3. No splicing using wire nuts or twist on connectors or split bolt connectors shall not be permitted for any connections.

4. Where several feeders pass through a common pull box, tag the feeders to clearly indicate the electrical characteristics, circuit number, and panel designation.

5. PVC sleeve shall be provided where cables are required to pass through a structure such as a wall or column. The size of the PVC sleeves shall be such that the space factor shall not exceed 40%. The openings and air gaps through structure shall be completely filled with cement or approved fire-resisting material.

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6. Rubber grommets or insulated bushes shall be provided for protection of cables passing through metal part of metal enclosures, or other metal work.

7. Provide good cable management practice, neatly train and lace wiring inside boxes, equipment, and panelboards. Label spare conductor as “SPARE” and terminate spare conductors with heat shrink insulation sleeves.

8. Circuit wiring cables shall be separated in accordance with type of cables, function, and voltage class as described below:

a. Cables of like signal and power levels may be grouped together in the same raceways.

b. Different voltage grade/class group levels must run in separate raceways.

c. If wires are the same level and same type signal, group those wires from one cabinet to any one specific location together in multi-conductor cables.

d. When unlike signals must cross in trays or conduit, cross them in 90° angles at maximum spacing. Where it is not possible to maintain spacing, place a grounded steel barrier between unlike levels at the crossover point.

H. Grounding System

1. All metallic and exposed conductive part associated with an electrical installation but not forming part of a normal current carrying conductor, shall be solidly and effectively bonded and grounded in accordance with the NEC and the applicable electrical codes and standards.

2. The main grounding terminal shall be connected to ground via a grounding conductor to a ground electrode or a group of electrodes to achieve effective Grounding system. Where an installation distributes to multiple separated buildings or structure, a separate main grounding terminal shall be provided for each individual building or structure at the electrical service point of each building or structure.

3. Public gas or water service pipes shall not be used as the sole protective ground electrode.

4. In case the grounding resistance achieved by one rod is not sufficiently low for the purpose required, the contractor shall provide and install additional lengths or additional rods until effective grounding resistance is achieved.

5. Ground rod electrode shall be driven into the ground within a ground pit to allow ground resistance measurement and testing.

6. Bonding conductor shall be solidly and effectively connected to the extraneous or

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exposed conductive parts by means of a copper connector-clamp of an approved type suitable for the application. All contact surfaces shall be cleaned and free from non-conducting materials, such as grease or paint, before the connector clamp is installed.

7. Electronic panels and equipment, where required, shall be grounded utilizing an insulated ground wire connected in accordance with the manufacturer’s recommendations. In some situations, a separate small grid and ground rod, isolated from the main ground, shall be required.

I. Electrical Equipment Clearance

8. Electrical and electronic/communications equipment rooms and closets will be provided with the environmental control system necessary to maintain proper temperature and, where necessary, relative humidity levels required for the safe and effective operation of the equipment to be housed therein without deterioration of that equipment

9. Clear space will be provided around electrical switchboards, panel boards, transformers, switches, and controllers, electronic consoles, equipment, and other items, for normal maintenance and operation as required by applicable codes.

10. All junction boxes, pull boxes, and similar points requiring maintenance access shall be readily accessible. Clearly identified access panels will be provided as necessary for the proper maintenance and operation of the electrical distribution system.

J. Safety Switches

1. Securely fasten switches to the supporting structure or wall, utilizing a minimum of four ¼” bolts. Do not use sheet metal screws and small machine screws for mounting. Do not mount switches in an inaccessible location or where the passageway to the switch may become obstructed. Mounting height 5 ft above floor level, when possible.

K. Wiring Devices

L. Wall Switches and Receptacles

1. Install wall switches and receptacles so that when device plates are applied, the plates are aligned vertically to within 1/16 inch.

2. Bond ground terminal of each flush-mounted receptacle to the outlet box with an approved green bonding jumper when used with dry wall type construction.

M. Device Plates

1. Ensure device plates for switches that are not within sight of the loads controlled suitably engraved with a description of the loads.

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2. Mark device plates and receptacle cover plates for receptacles other than single-phase, duplex, convenience outlets, showing the circuit number, voltage, frequency, phasing, and amperage available at the receptacle. Required marking consists of a self-adhesive label having 1/4-inch embossed letters.

3. Similarly mark device plates for convenience outlets indicating the supply panel and circuit number.

N. Boxes and Fittings

1. Furnish and install pull boxes where necessary in the conduit system to facilitate conductor installation. For conduit runs longer than 100 ft or with more than three right-angle bends, install a pull box at a convenient intermediate location.

2. Securely mount boxes and enclosures to the building structure with supporting facilities independent of the conduit entering or leaving the boxes.

O. Motor

1. Connect motor with flexible metallic conduit.

2. Install, align, and connect motors in accordance with the equipment manufacturer's instructions.

3. Mount motors with bolts. Ensure motor feet are coplanar within 0.0254 millimeters, and base mounting points are accessible and adjustable to enable machine alignment. Install alignment jack bolts for motors 15 hp or larger to enable alignment.

4. Provide commercially die-cut shims, without seams or folds, made of corrosion resistant stainless steel.

5. Perform motor and load alignment under the direction of the manufacturer's representative. Recheck alignment of motors and adjust as required after the motor has been in operation for not less than 48 hours. Provide written final alignment settings as part of the final test data.

P. Dry-Type Distribution Transformers

1. Connect dry-type transformers with flexible metallic conduit.

2. Mount all dry-type transformers on vibration isolators.

Q. Field Fabricated Nameplates

1. Provide laminated plastic nameplates for each equipment enclosure, relay, switch, and device, as specified in the technical sections or as indicated on the drawings. Each nameplate inscription identifies the function and, when applicable, the position.

2. Provide nameplates that are melamine plastic, 3 mm thick, white with black

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center core and a matte finish surface with square corners. Accurately align lettering and engrave into the core. Minimum size of nameplates is 1” x 2.5”. Lettering is a minimum of ¼” high normal block style.

R. Identification Plates and Warnings

1. Furnish and install identification plates for lighting and power panelboards, motor control centers, all line voltage heating and ventilating control panels, fire detector and sprinkler alarms, door bells, pilot lights, disconnect switches, manual starting switches, and magnetic starters. Attach identification plates to process control devices and pilot lights.

2. Provide electrical hazards warning labels including arc flash hazard labels per the requirements of relevant codes and standards.

3. Furnish identification plates for all line voltage enclosed circuit breakers, identifying the equipment served, voltage, phase(s) and power source.

4. Cable Identification:

a. Cable numbers shall be marked on the cables along their routes and at both termination points.

b. For underground cabling, the spacing between cable numbers along the route should not exceed 25 ft, and for above ground cabling, 50 ft.

c. Cables shall also be numbered where they branch off from a main route and at both sides of a road crossing. For underground cabling, above ground route markers shall also be provided at every change of direction in the routing and at both sides of road or structure crossings.

S. Protection Coordination and Settings

1. Provide electrical system coordination study, protective device settings, and arc flash analysis for the electrical system covered by scope of this project. Perform a coordination study based on the actual installed protective devices and system available fault current detectable by the respective protective devices. Provide electrical system protective schemes and settings to:

a. Operate only under those conditions for which protection is needed and remain either passive or biased for all other conditions.

b. Isolate affected portion of electrical system without interruption of the healthy portion of the electrical distribution system. Provide protective device settings such that the adjacent upstream and downstream devices are properly coordinated. This isolation should be as rapid as possible to minimize damage to components and effect on rest of electrical system.

c. Reduce duration of available short-circuit current to minimize potential damage to service system and its components.

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d. Limit duration of under voltage transients due to faults in the service system and prevent unnecessary loss of equipment operation.

e. Utilize alternate circuits, automatic throw-overs (or transfers), and/or automatic reclosing devices (where applicable) to minimize duration and extent of equipment outages.

2. Motor overload protection shall be selected and set by Contractor based on final motor nameplate information in compliance with the NEC rules. Size motor circuit protectors to coordinate with motor starting characteristics and overload protection.

3. Contractor shall submit the setting summary report as part of the close out document. The setting summary report shall include the following information:

a. Equipment project identification number b. Motor identification and nameplate information c. Starter/overload device identification and nameplate information. d. Overload device rating, setting range and setting applied.

4. Set all adjustable circuit breakers, trip units, and protective relay devices to limit damage to faulted equipment, possibility of fire or explosion, and hazards to personnel. Verify protective devices are operating within manufacturer’s tolerances as part of the testing and commissioning process. Make changes to settings not complying with requirements furnished by Engineer. Device settings will be furnished for following equipment:

a. Medium-voltage system. b. Low-voltage switchgear. c. Secondary unit substations.

T. Posted Operating Instructions

1. Print or engrave operating instructions and frame under glass or in approved laminated plastic. Post instructions where directed.

2. For operating instructions exposed to the weather, provide weather-resistant materials or weatherproof enclosures.Ensure operating instructions do not fade when exposed to sunlight. Secure instructions to prevent easy removal or peeling.

3.03 FIELD QUALITY CONTROL

A. Manufacturer's Field Services:

1. Provide manufacturer's field services to support inspection of product installation, startup, testing and commissioning in accordance with manufacturer's instructions and recommendations. Arrange and pay for services of manufacturer's factory

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service engineer to supervise start-up of installation, check, adjust, balance and calibrate components and instruct operating personnel. Provide these services for such period, and for as many visits as necessary to put equipment in operation and ensure that operating personnel are conversant with aspects of its care and operation.

2. Obtain written report from manufacturer verifying compliance of product installation, startup, testing and commissioning in accordance with manufacturer's instructions and recommendations.

B. Progress Cleaning:

1. Conduct work progress cleaning and leave Work area clean at end of each shift.

2. Upon completion of work remove surplus materials, rubbish, tools and equipment in accordance with requirements of construction/demolition waste management and disposal of the contract.

3.04 INSPECTION, TESTING AND COMMISSIONING

A. Inspection checklists, functional tests, start-up and commissioning documents are the normal procedure of ensuring that the facility systems (mechanical, electrical, control, fire protection system, communication and security, etc.) are properly installed and function as intended design. Contractor shall be responsible for the start-up and commissioning activities. The Contractor in cooperation with subcontractors and the A/E shall develop inspection checklists, and testing and commissioning plan during the Construction Phase.

B. Contractor shall obtain the services of qualified testing service companies and/or a factory trained manufacturer’s representative to assist the Contractor in the performance of testing and commissioning of the electrical equipment and system as required. Technicians performing these electrical tests and inspections shall be trained and experienced concerning the apparatus and systems being evaluated. These individuals shall be capable of conducting the tests in a safe manner and with complete knowledge of the hazards involved. They must be able to evaluate the test data and make a judgment on the continued serviceability or non-serviceability of the specific equipment.

C. Testing and commissioning of electrical distribution system and equipment shall cover following categories of equipment:

1. Distribution Transformers

2. Switchgear

3. Switchboards and Panelboards

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4. Circuit breakers

5. Protective Devices and Relays

6. Adjustable Speed Drives

7. Electro-mechanical Machinery

8. Motors

9. Electrical Field Devices and Instruments

10. Control Systems

11. Lighting and Lighting Control Systems

12. General Wiring Devices (i.e. receptacles, switches, etc.)

13. Security and Surveillance System

14. Fire Protection System

15. Communication System

16. Emergency Power System (i.e. emergency egress lights, emergency generator, UPS, etc.)

17. Circuit Cabling and Grounding System

D. Contractor shall completely install, thoroughly inspect, start-up, test, adjust and integrate bridge machinery, mechanical and electrical systems. Contractor shall be responsible for operation and control of installed systems. All activities shall be documented on specific, procedural forms developed for that purpose. During system checkout and functional checklist shall be filled out to verify proper installation and operation. Owner and/or Owner's Representative shall verify system operation with responsible Contractor.

E. The Contractor shall complete inspection and functional checklists for all pieces of equipment and documentation shall be submitted to the Owner for verification and approval prior to Acceptance Performance Testing. Field Acceptance Performance Test shall include:

1. Visual and mechanical Inspection.

2. Electrical tests.

3. System functional tests.

F. Field Acceptance Performance Testing of electrical distribution system and equipment under scope of project shall conform to the specification, equipment manufacturer recommended testing and commissioning requirements and to the

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ANSI/NETA Standard for Acceptance Testing Specifications for Electrical Power Equipment and Systems (ANSI/NETA ATS).

G. Contractor shall notify the Owner and the Engineer provide written certification that the electrical equipment and/or sub-systems installation is properly completed and function in accordance with the Contract Documents, applicable codes and standards, and manufacturer’s requirements; and that the system is ready for Field Acceptance Performance Tests. Any outstanding items or non-conformance shall be clearly indicated on the submittal document and an action item shall have been initiated.

H. Installation Verification:

1. Prior to system start-up, the Contractor and Owner shall conduct final installation verification audit. Contractor shall be responsible for completeness of work to Owner's and/or Owner’s Representative Engineer’s satisfaction including change orders and punch list items.

2. Installation verification shall include, but not be limited to, checking of:

a. Electrical power distribution equipment and system

b. Electro-mechanical machinery, auxiliary system and apparatus

c. Control system adjustment and system balancing

d. Control sensor types and locations

e. Identification of equipment, controls, etc.

f. Accuracy of as-built drawings versus actual installed conditions

g. Documentation of prestart-up tests performed, including manufacturer's factory tests

3. If Work is found to be incomplete, incorrect, or nonfunctional, Contractor shall take corrective action before system start-up work proceeds. If during system start-up additional items are found, Contractor shall take corrective action before system start-up is completed.

I. Electrical Test Requirements

1. Inspection and testing shall be performed on all new installations and alterations to an existing installation in accordance with the requirements of this Section. The International Electrical Testing Association (NETA) shall be referred and adopted where appropriate. In the event of any test indicating failure to comply, that test

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and those preceding, the results of which may have been influenced by the fault indicated, shall be repeated after the fault has been rectified. Provide all necessary test equipment, labor, and personnel to perform the tests, as herein specified. The following tests shall be performed.

2. Continuity Test: Perform continuity test to insure correct cable connection (i.e. correct phase conductor, grounded conductor, and Grounding conductor wiring) end-to end. The continuity of all conductors, including the circuit protective conductor of every ring final circuit, shall be verified for proper installation. The wire and cable shall be isolated completely all from all extraneous electrical connections at cable terminations and joints. Use substation and switchboard feeder breakers, disconnects in combination motor starters, circuit breakers in panel boards, and other disconnecting devices to isolate the circuits under test. Repair and re-verify any damages to existing or new electrical equipment resulting from improper wiring.

3. Insulation Resistance: Perform insulation-resistance test on electrical switchgear, motors, and on each field-installed power and control conductor with respect to ground and adjacent conductors. For general facility branch circuit load conductors (i.e. serving lights, receptacles, power outlets, exhaust fans, etc.) with conductor sizes 10 AWG and smaller, insulation resistance testing is not required. The insulation resistance of the installation shall be tested in accordance with the Standard for Acceptance Testing Specification for Electrical Power Equipment and Systems. The resistance measured shall not be less than the recommended values set by the NETA testing standards pending on voltage class.

4. Contact Resistance: Perform a contact-resistance test on each connection point of uninsulated busway, across each contactors, switchblade and fuse holder of motor controllers/starters, interrupters and isolation switches.

5. Grounding System Resistance: The resistance of every ground electrode shall be measured to ensure that the ground resistance of the ground electrode will perform the intended design function and comply with the applicable code requirements.

a. Perform three-point fall-of-potential test per Institute of Electrical and Electronics Engineers (IEEE) Standard 81 on the main grounding electrode or system. Resistance shall be no greater than 5 ohms.

b. Perform the two-point method test per IEEE Standard 81 to determine the ground resistance between the main ground system and all major electrical equipment frames, system neutral, and/or derived neutral points. Resistance shall be no greater than 5 ohms.

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6. Polarity Test: Polarity test shall be performed to verify proper connection of voltage transformers, current transformers, meter, protective relay devices, electrical instruments, and proper connection to other electrical equipment.

7. Phasing: Conduct phase-rotation tests on all three-phase circuits using a phase-rotation indicating instrument. Perform phase rotation of electrical connections to connected equipment clockwise, facing the source. Motor circuits shall be checked for proper rotation and motors "bumped" to verify correct machine rotation. Interconnection points between different source circuits shall be verified for proper phasing connections.

8. Load Balancing: Perform load balancing of switchboards and panelboards. Measure phase current to panelboards in normal operating condition at time of acceptance; adjust branch circuit connections as required to obtain best balance of current between phases and record changes.

9. Equipment Test: Testing on electrical equipment and appliances supplied within the electrical installation contract, e.g. switchboard, motor, generator, busway, pumps, exhaust fans, etc. shall be carried out in accordance with manufacturer’s recommended procedures.

J. Functional Test

1. In addition to the above individual testing, the testing shall be extended to include functional testing of the completed and energized electrical system. Functional tests shall be conducted to produce evidence and verification that the electrical installation is capable of performing the designated functions captured in the original electrical installation design.

2. All circuits shall be verified through switching operation to ensure that the circuits are installed in accordance with the designated circuit. The test shall include but not be limited to the following:

a. On/Off switching of the lighting circuit to ensure that the lighting circuit is installed corresponding to the lighting switch, protective device and labelling.

b. Switching of the general power circuit to ensure that the circuit corresponds to the protective device, and that the protective device performs in accordance with the designated duty.

c. Switching of the main switch / isolator to ensure the corresponding circuit is properly controlled by the main switch / isolator.

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d. Switching of main and sub-main distribution circuits, e.g. bus ducts, cable feeders, underground cables, etc. to ensure the correct isolation of the connected circuit.

e. Switching of all interlock, changeover or transfer scheme operate in accordance with the corresponding design criteria.

f. Ensuring all the protective devices of electrical circuits perform properly.

3. Contractor shall perform functional check of the equipment per manufacturer recommendations and/or operating instructions. Provide the services of a factory-trained manufacturer’s representative to assist the Contractor in the installation and start-up service of the equipment as required.

4. The contractor shall obtain the service of a licensed Fire Protection Service Contractor to perform testing of fire protection system upon the completion and readiness of fire protection system installation. The test shall also be inspected and/or witnessed by Owner and local official with Authority Having Jurisdiction (i.e. local fire official. The contractor shall coordination with the required personnel and/or organizations to inspect and witness the final tests of the fire protection system installations and rectification of any works found not complying with the applicable codes and standards.

5. Testing of Emergency Backup Power System: Contractor shall be responsible for performing the following tests for the applicable emergency backup power system (emergency lighting, exit sign, UPS and emergency generator) included in the scope of the electrical installation contract:

a. Test the functionality of the emergency lighting system and verify that the lighting levels during emergency condition meet the design requirements and applicable code requirements for safe egress and/or evacuation of personnel.

b. Perform functionality test of the emergency power system (i.e. emergency generator, UPS, etc.) in accordance to the design requirements, manufacturer’s instructions and recommendations. Ensure that the detection of loss or normal power source, load transfer, switching scheme and sequence function properly and meet the design criteria.

c. Submit Test Reports in accordance with submittal requirement of the specification.

6. Contractor shall provide preliminary field Acceptance Performance Test Report for Owner and/or Owner’s Engineer for review within 30 days after completion of tests. Acceptance Performance Test Report shall be organized by logical system

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(i.e. power distribution system, control system, lighting, fire alarm, emergency generator, etc.) The test report shall include the following:

1. Summary of project 2. Date of inspections and tests performance 3. Environmental conditions: humidity, temperature, and other

conditions that may affect the results of the tests/calibrations. 4. Identification of the testing organization 5. Identification of the testing technician 6. Test equipment used to perform the tests with date of test

equipment calibrations 7. Identification and description of equipment inspected and tested 8. Description of tests 9. Test data 10. Analysis of test results

K. Bridge Operation Testing

1. The Contractor shall have completed the following tests prior to Bridge Operation Testing:

a) Passed the inspection, mechanical and electrical tests and functional tests of all system components, equipment and sub-systems.

b) Passed the Final Balance Test

c) Passed Simulated AASHTO Load Test

2. The Contractor and/or his specialty Sub-Contractors shall adjust, calibrate and test all equipment, place the integrated system in service, and test the integrated system using approved test procedures.

3. The Contractor shall demonstrate that the completed system functions properly by performing at least 10 consecutive complete bridge operation cycles as defined in the sequence of operation without failure or any adjustments. The Contractor shall provide describing results of the Contractor's field tests, diagnostics, and calibrations including written certification to the Department that the installed complete system has been constructed in accordance with the contract requirements, calibrated, tested, and is ready for operation.

L. Endurance Test

1. The endurance test shall not be started until the Departmental Representative notifies the Contractor, in writing, that Bridge Operation Testing have been completed and written certification have been received by the Department.

2. The endurance test shall cover a 90-day period from the start date. During this period the contractor shall be responsible for responding to bridge operation

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issues and provide corrective measures to resolve bridge operation issues that may occur. The Contractor shall respond within 24 hours of the Contractor’s notification of the bridge operation issue. The Contractor is responsible for all costs for corrective measures to resolve bridge operation issues resulting from defective or failed system components and/or improper installations.

METHOD OF MEASUREMENT

The work for this item will be measured on a lump sum basis per bridge.

BASIS OF PAYMENT

The lump sum price bid per bridge shall include the cost of all labor, materials, and equipment required to complete the work of this item.

Progress Payments for each bridge will be authorized as a percentage of the lump sum price based upon the following schedule:

Ten percent (10%) of the lump sum price per bridge will be paid upon completion of removal of existing equipment.

Thirty percent (30%) of the lump sum price per bridge will be paid upon completion of all electrical work inside or on the exterior of the control tower building.

Thirty percent (30%) of the lump sum price per bridge will be paid upon completion of all electrical work in the pit areas including connections to all equipment per payment item.

Fifteen percent (15%) of the lump sum price per bridge will be paid upon completion of all electrical work pertaining to the bridge steel structure per payment item.

The remainder (15%) of the lump sum price per bridge will be paid once the final testing, punch list items and approval has been completed.

Payments will be paid under:

Item 599.06140104 – Bridge Electrical Work– Fairport

Item 599.06140204 – Bridge Electrical Work – Spencerport