addendum no. 7 project: owner: the city of charlevoix

Addendum #7 of 1

ADDENDUM NO. 7 DATE: September 12, 2019 PROJECT: The City of Charlevoix Public Services Facility OWNER: The City of Charlevoix BID DATE: Thursday, August 29, 2019 at 3:00 p.m. Thursday, September 5, 2019 at 3:00 p.m. Thursday, September 19, 2019 at 2:00 p.m. The following shall be incorporated into the Contract Documents dated 22 JUL 2019. GENERAL

1. RFI log is attached.

PROJECT MANUAL

00 26 00 - Substitution Request During Bidding Phase 08-PEMB (REVISED) - product substitution request approved. 09-ResinousFlooring – product substitution request approved.

00 43 23 ALTERNATES FORM Issued spec section 221519 Packaged Air Compressors.

End of Addendum No. 7

http://www.ohm-advisors.com/

08 - REVISED

09/11/2019

09SEE ATTACHED FOR INFORMATION

09/10/2019

4050 Clough Woods Drive, Batavia, Ohio 45103

Toll-Free: 888-943-4532, Fax: 513-943-4255 Web: www.keyresin.com, Email: [email protected]

TO:OHM Advisors TOTAL PAGES: DATE: September 9, 2019 Project: Charlevoix Public Services Facilities FROM: Eric Borglum SUBJECT: Evaluation of Equivalent Material

for Resinous Flooring/Fluid-Applied Flooring Section: 09 67 23 Resinous Flooring

Bid Date: September 19, 2019 Dear: Thank you for taking time to evaluate Key Urethane Cement – Urecon SLT Quartz and Epoxy – Key Quartz B-195-250 resinous flooring system as an equivalent material for the above referenced project. A contractor bidding this project would prefer to use Key Resin materials if approved. Key Resin certifies that Key Flooring system recommended meets or exceeds the specified requirements. Please refer to the attached data sheets for additional information. Effects of Proposed Equivalent Product Is product represented locally? Yes

Representative: Is the submitted product equivalent to the specified item? Yes Does the submitted product comply with the same quality standards listed? (ASTM, etc.) Yes Does the submitted product have the same dimensions (thickness) indicated on drawings? Yes Does the submitted product affect work of other sections? No Does the submitted product require modifications to design, changes to drawings, or revisions to specifications to be incorporated into the Project? No Is construction time affected? No Does the submitted product have the same appearance? Yes Does the submitted product have similar color selections available? Yes

Does the submitted product conform to the specified performance required for this project? Yes Is proposed product warranty equal to the specified warranty? Yes Does proposed product manufacturer have a record of standing behind its product and warranty? Yes The undersigned certifies the above statements to be correct. Authorized by: Eric Borglum/Vice President, Key Resin Co.

Signature: Eric Borglum

Attachments (List): For use by (ARCHITECT/ENGINEER/DESIGNER) Accepted: Accepted as noted: Not Accepted: By: Date: Remarks: Published in Addendum No.: Please call us if you have any questions, Key Resin Company appreciates the opportunity to be considered for this project. I understand that your firm has not previously specified Key Resin materials or may not include Key Resin in your master specification, I am available to review your office master specification to cross-reference over to Key Resin systems. If you use Arcom MASTERSPEC or BSD Speclink, Key Resin materials are included in the sections for Resinous Flooring/Fluid-Applied Flooring and Thin-set Epoxy Terrazzo. Key Resin Company was founded in 1993 by Robert Cain, our company CEO. Mr. Cain’s resume’ in the polymer flooring industry dates back to the 1960’s so we have extensive experience that goes beyond our 20 year history. Key Resin is well known for exceptional customer service, technical support, and quick manufacturing lead times, along with consistently providing high quality materials at reasonable, competitive prices. By selling direct to the flooring contractors we are able to keep costs down and help ensure that contractors install these materials properly. Thank you again for your time and attention to this matter. Guide specifications and samples are available upon request. Sincerely,

Eric Borglum Eric Borglum Vice President Key Resin Company P.S. The approval section above may be faxed or emailed to 513-943-4255 or [email protected].

The City of Charlevoix GENERAL-SERVICE PACKAGED AIR Public Services Facilities COMPRESSORS AND RECEIVERS OHM Project #7747-18-0010 22 15 19 - Page 1 of 5 ADDENDUM 7: 9/12/2019

SECTION 22 15 19 - GENERAL-SERVICE PACKAGED AIR COMPRESSORS AND RECEIVERS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Lubricated, reciprocating air compressors. 2. Inlet-air filters. 3. Refrigerant compressed-air dryers.

1.3 DEFINITIONS

A. Actual Air: Air delivered from air compressors. Flow rate is delivered compressed air measured in acfm.

B. Standard Air: Free air at 68 deg F and 1 atmosphere before compression or expansion and measured in scfm.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. Include rated capacities, operating characteristics, electrical characteristics, and furnished specialties and accessories.

B. Shop Drawings:

1. Include diagrams for power, signal, and control wiring.

C. Delegated-Design Submittal: For compressed-air equipment mounting.

1. Detail fabrication and assembly of supports. 2. Include design calculations for selecting vibration isolators and for designing vibration

isolation bases.

1.5 INFORMATIONAL SUBMITTALS

A. Seismic Qualification Certificates: For compressed-air equipment, accessories, and components, from manufacturer.


1. Basis for Certification: Indicate whether withstand certification is based on actual test of assembled components or on calculation.

2. Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and describe mounting and anchorage provisions.

3. Detailed description of equipment anchorage devices on which the certification is based and their installation requirements.

1.6 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For compressed-air equipment to include in emergency, operation, and maintenance manuals.

1.7 COORDINATION

A. Coordinate sizes and locations of concrete bases with actual equipment provided.

PART 2 - PRODUCTS

2.1 SYSTEM DESCRIPTION

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. ASME Compliance: Fabricate and label receivers to comply with ASME Boiler and Pressure Vessel Code.

2.2 GENERAL REQUIREMENTS FOR PACKAGED AIR COMPRESSORS AND RECEIVERS

A. General Description: Factory-assembled, -wired, -piped, and -tested; electric-motor-driven; air-cooled; continuous-duty air compressors and receivers that deliver air of quality equal to intake air.

B. Control Panels: Automatic control station with load control and protection functions. Comply with NEMA ICS 2 and UL 508.

1. Enclosure: NEMA ICS 6, Type 12 control panel unless otherwise indicated. 2. Motor Controllers: Full-voltage, combination magnetic type with undervoltage release

feature and motor-circuit-protector-type disconnecting means and short-circuit protective device.

3. Control Voltage: 120-V ac or less, using integral control power transformer. 4. Motor Overload Protection: Overload relay in each phase. 5. Starting Devices: Hand-off-automatic selector switch in cover of control panel, plus pilot

device for automatic control. 6. Instrumentation: Include discharge-air pressure gage, air-filter maintenance indicator,

hour meter, compressor discharge-air and coolant temperature gages, and control transformer.

7. Alarm Signal Device: For connection to alarm system to indicate when backup air compressor is operating.


C. Receivers: Steel tank constructed according to ASME Boiler and Pressure Vessel Code: Section VIII, Division 1.

1. Pressure Rating: At least as high as highest discharge pressure of connected compressors, and bearing appropriate code symbols.

2. Interior Finish: Corrosion-resistant coating. 3. Accessories: Include safety valve, pressure gage, drain, and pressure-reducing valve.

D. Mounting Frame: Fabricate mounting and attachment to pressure vessel with reinforcement strong enough to resist packaged equipment movement during a seismic event when base is anchored to building structure.

2.3 LUBRICATED, RECIPROCATING AIR COMPRESSORS

A. Compressor(s): Lubricated, reciprocating-piston type with lubricated compression chamber and crankcase.

1. Submerged gear-type oil pump. 2. Oil filter. 3. Combined high discharge-air temperature and low lubrication-oil pressure switch. 4. Belt guard totally enclosing pulleys and belts.

B. Capacities and Characteristics:

1. Air Compressor(s): One; two stage. 2. Mounting: Tank mounted. 3. Motor (Each Air Compressor):

a. Horsepower: 10 hp

4. Electrical Characteristics:

a. Volts: 208. b. Phase(s): Three. c. Hertz: 60.

5. Receiver: ASME construction steel tank.

a. Arrangement: Vertical. b. Capacity: 120 c. Drain: Manual valve.

2.4 REFRIGERANT COMPRESSED-AIR DRYERS

A. Description: Noncycling, air-cooled, electric-motor-driven unit with steel enclosure and capability to deliver 35 deg F, 100-psig air at dew point. Include automatic ejection of condensate from airstream, step-down transformers, disconnect switches, inlet and outlet pressure gages, thermometers, automatic controls, and filters.


2.5 MOTORS

A. Comply with NEMA designation, temperature rating, service factor, and efficiency requirements for motors specified in Section 22 05 13 "Common Motor Requirements for Plumbing Equipment."

1. Enclosure: Open, dripproof or Totally enclosed, fan cooled. 2. Motor Sizes: Minimum size as indicated. If not indicated, large enough so driven load

does not require motor to operate in service factor range above 1.0.

PART 3 - EXECUTION

3.1 EQUIPMENT INSTALLATION

A. Equipment Mounting:

1. Install air compressors and air dryers on cast-in-place concrete equipment base(s).

B. Install compressed-air equipment anchored to substrate.

C. Arrange equipment so controls and devices are accessible for servicing.

D. Maintain manufacturer's recommended clearances for service and maintenance.

E. Install the following devices on compressed-air equipment:

1. Thermometer, Pressure Gage, and Safety Valve: Install on each compressed-air receiver.

2. Pressure Regulators: Install downstream from air compressors and dryers. 3. Automatic Drain Valves: Install on aftercoolers, receivers, and dryers. Discharge

condensate over nearest floor drain.

3.2 CONNECTIONS

A. Comply with requirements for piping specified in Section 22 15 13 "General-Service Compressed-Air Piping." Drawings indicate general arrangement of piping, fittings, and specialties.

B. Where installing piping adjacent to machine, allow space for service and maintenance.

3.3 IDENTIFICATION

A. Identify general-service air compressors and components. Comply with requirements for identification specified in Section 22 05 53 "Identification for Plumbing Piping and Equipment."

3.4 STARTUP SERVICE

A. Engage a factory-authorized service representative to perform startup service.


1. Complete installation and startup checks according to manufacturer's written instructions. 2. Check for lubricating oil in lubricated-type equipment. 3. Check belt drives for proper tension. 4. Verify that air-compressor inlet filters and piping are clear. 5. Check for equipment vibration-control supports and flexible pipe connectors, and verify

that equipment is properly attached to substrate. 6. Check safety valves for correct settings. Ensure that settings are higher than air-

compressor discharge pressure, but not higher than rating of system components. 7. Check for proper seismic restraints. 8. Drain receiver tanks. 9. Operational Test: After electrical circuitry has been energized, start units to confirm

proper motor rotation and unit operation. 10. Test and adjust controls and safeties.

3.5 DEMONSTRATION

A. Train Owner's maintenance personnel to adjust, operate, and maintain air compressors and air dryers.

END OF SECTION 22 15 19