Attachment 4 - Supplemental Specifications.pdf

15010-1

SECTION 15010

GENERAL MECHANICAL PROVISIONS

PART 1 GENERAL

1.1 SCOPE

A. Furnish all labor, materials, equipment, supervision of labor, and performance of all operations required to completely install satisfactorily operating mechanical and plumbing systems as defined herein and on Drawings.

B. Major items of work include, but are not limited to, the installation of the following systems:

1. Plumbing.

2. Heat generation.

3. Liquid heat transfer.

4. Controls and instrumentation systems.

C. For additional details, refer to drawings

D. The drawings and specifications are complementary to each other.

What is shown on one is as binding as if called for in both.

The plans do not necessarily show complete details of all the features that may affect the mechanical installations;

however, it is the intent of the contract documents to provide a complete and satisfactorily working installation.

E. Submit in writing to the Contracting Officer for review details of any necessary or proposed departures from these Contract Documents and reasons therefore, as soon as practicable within 30 days after the award of the contract. Make no such departure without prior written approval of the Contracting Officer.

F. Coordination of the Work: Coordinate work under this Division with work of other trades to avoid conflicts, errors and delays.

G. Verify the approximate location of equipment and other mechanical system components shown on the Drawings and report any conflicts with openings, structural members and components of other systems and equipment having fixed locations. Report any conflicts that would prevent easy accessibility to perform normal and routing maintenance of equipment and components.

H. If, during the course of accomplishing the work defined herein and on the Contract Drawings, the Contractor discovers major damage, defect or deterioration to existing equipment or systems indicated as existing to remain, and where such damage, defect or deterioration will or might effect the safe and proper operation of such equipment and systems, the Contractor shall immediately notify the Contracting Officer in writing.

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1.2 REFERENCES

A. Codes and Standards: All work and materials shall comply with the latest issues of the following:

1. International Building Code (IBC).

2. Air Moving and Conditioning Association (AMCA).

3. American Society of Heating, Refrigeration and Air

Conditioning Engineers (ASHRAE).

4. American Society of Mechanical Engineers (ASME).

5. National Fire Protection Association (NFPA).

6. Uniform Plumbing Code (UPC).

7. American Society for Testing Materials (ASTM).

8. American Water Works Association (AWWA).

9. American Welding Society (AWS).

10. Hydraulic Institute (HI).

11. National Bureau of Standards (NBS).

12. National Electrical Code (NEC).

13. National Electrical Manufacturers Association (NEMA).

14. Underwriters' Laboratories, Inc. (UL).

15. American National Standards Institute (ANSI).

16. Sheet Metal and Air Conditioning Contractors' National

Association (SMACNA).

17. International Mechanical Code (IMC).

18. Air-Conditioning and Refrigeration Institute (ARI).

19. International Fire Code (IFC).

20. All base materials shall comply with standards of ASTM and

ANSI.

21. Occupational Safety and Health Administration (OSHA).

22. Environmental Protection Agency (EPA).

23. National Environmental Balancing Bureau (NEBB).

1.3 QUALITY ASSURANCE

A. All work and materials shall be in accordance with applicable codes, standards and ordinances, rules and regulations of the Fire Marshal and of the utility companies. Nothing in the Drawings and Specifications shall be construed as requiring or permitting work in violation of such codes.

B. Rulings and interpretations of the agencies having jurisdiction shall be considered as part of the codes and regulations if commonly known to the trade prior to bidding.

C. Whenever the Drawings and Specifications require higher standards than the codes and regulations, the Drawings and Specifications shall govern.

D. Only craftsmen skilled in their trade shall be employed.

E. Fire rated systems: maintain the integrity of fireproofing materials, systems, rated partitions, and floors at all mechanical penetrations.

1.4 SUBMITTALS

A. Submit shop drawings material data sheets, manufacturer’s literature and all other items as specified in Division 1 and the individual sections of Division 15000.

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B. Mechanical Shop Drawings and Product Data:

1. Submit large scale dimensioned shop drawings certified by manufacturer of major equipment and other equipment as may be directed by the Contracting Officer.

2. Submit shop drawings for work in congested areas, boiler rooms, indicating solutions to space problems and coordination with work in other Divisions. These drawings, as a requirement of the Division, must indicate work of all Divisions involved in congested areas, including, equipment, ductwork, piping, control panels, electrical work, ceiling work, etc. boiler room.

3. Submit shop drawings for work deviating from that indicated on Drawings.

4. Furnish physical and performance data, including materials, manufacturers' names, model numbers, sizes, capacities, finishes, colors, accessories and other data required to completely describe equipment and to indicate compliance with Drawings and Specifications.

5. Submit shop drawings of all equipment bases and supports, and all pipe and duct hangers and supports.

1.5 CLOSEOUT SUBMITTALS

A. Submit all required certifications and testing reports as specified in Division 1 and the individual sections of Division 15000.

1.6 PROJECT CONDITIONS

A. Site Visit: It is advised that the Contractor visit the site and verify the exact conditions relating to his work and obtain such information as may be necessary to provide an intelligent and conclusive bid. No allowance will be made on behalf of the Contractor for any extra expense due to failure on his part to make such a visit.

B. Protection: Protect surrounding areas and surfaces to preclude damage due to the installation of any material or equipment.

Unfinished work shall be temporarily protected from unsafe conditions and damage.

C. Sequencing and Scheduling: Coordinate the scheduling of equipment and material installations with all other affected trades to avoid conflicts. If, during the course of construction, conditions are discovered which adversely affect the mechanical work, immediately notify the Contracting Officer before proceeding. Advise other trades of openings required in their work for the subsequent installation of mechanical work or equipment.

1.7 INSPECTION

A. All work and materials shall be subject at all times to inspection by the Contracting Officer and by the agencies having jurisdiction.

B. Any work or materials found to be damaged or defective or not conforming to the requirements of the Drawings or Specifications, or to the approved finish aesthetic appearance of the job, shall be removed and replaced as directed by the Contracting Officer.

15010-4

1.8 ELECTRICAL REQUIREMENTS

A. All electrical work, equipment, wiring, devices and components shall comply with the requirements of local and national electrical codes and with Division 16.

B. All electrical equipment, devices and components, which are tested by Underwriters Laboratories, Inc., shall be UL listed and shall bear a UL label.

C. Unless otherwise indicated on the electrical drawings, all mechanical equipment motors and controls shall be furnished, set in place, and wired in accordance with the following schedule:

(Carefully coordinate all work with Division 16.) Refer to Division 16 for motor characteristics and motor controls.

LINE

FURNISHED

UNDER

SET IN

PLACE BY

VOLTAGE

POWER MECH

CONTROL

Equipment Motors

Magnetic Motor Starters:

a. Automatically controlled

b. Manually controlled

c. In packaged equipment

d. Disconnect switches, manual motor starters, thermal overload switches, VFDs

e. Control relays, transformers, time clocks, thermostats, motor valves, float controls, damper 15 15 16 15 motors, EP and PE switches and other miscellaneous Division 15 Controls

D. Where Drawings clearly and explicitly differ from preceding paragraphs, Drawings have precedence.

E. Factory wired assemblies and panels shall be pre-wired to numbered terminal strips for connection to field wiring.

DIVISION DIVISION UNDER

DIVISION

15 15 16 15

16 16 16 15

15 15 16 15

15010-5

1.9 USE OF HEATING SYSTEMS DURING CONSTRUCTION

A. The Contractor is free to use or operate the heating system, provided the Contracting Officer approves the operation in writing. Operation of the air delivery system during construction shall only be done with specified filters properly installed.

B. When construction is complete, the Contractor shall install new filters at no additional expense to the Government. The Contractor shall use best energy conservation practices. Failure to do so could result in an assessment of energy costs on the contractor by the Contracting Officer.

1.10 GUARANTEE

A. Neither the final certificate of payment, nor any provision in the Contract Documents, nor partial or entire occupancy of the premises by the Government shall constitute an acceptance of work not done in accordance with the Contract Documents or relieve the Contractor of liability in respect to any express warranties or responsibilities for faulty materials or workmanship.

B. The Contractor shall remedy any defects in the work and pay for any damage to other work resulting there from which shall appear within a period one year form the date of final acceptance of work, unless a longer period is specified. The Contracting Officer will give notice of observed defects with reasonable promptness.

1.11 OPERATING AND MAINTENANCE DATA

A. The Contractor shall prepare operating and maintenance instructions containing information to operate, prolong service life or replace parts of the work. Operating and maintenance data shall specifically include:

1. List of all contractors and subcontractors names, addresses and telephone numbers.

2. List of all equipment and material manufacturers' local representatives and suppliers and their addresses and telephone numbers.

3. Pipe and duct identification schedules.

4. Nameplate directory with a list of all equipment indicating designation, location of equipment, manufacturers' name, model number, serial number, electrical characteristics, primary control switch location and normal position of switch.

5. Valve directory indicating valve number, size, location, function, service, type and normal position.

6. Boiler start-up testing report.

7. Air and hydronic test and balance report.

B. Equipment Literature: For all equipment, fixtures, devices, valves and specialties, provide the following:

1. Manufacturer's data sheets and cut sheets.

2. Model and serial numbers.

3. Capacity curves, charts and calculations.

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4. Electrical characteristics.

5. Replacement parts list.

6. As-built equipment piping diagrams.

7. As-built equipment wiring diagrams.

8. Manufacturer's instructions for operation and maintenance.

9. Completely mark out on all literature sheets all non-applicable items.

10. Where piping and wiring diagrams are not available from the manufacturer, the Contractor shall produce them.

11. Literature shall be grouped together by system, i.e., plumbing, heat generation, etc. For each system section, the Contractor shall produce and include a basic system written narrative description. Each narrative shall be comprised of the following:

a. Brief system description, including sequence of operation.

b. Basic system function discussion, including any interaction with other systems or components.

c. Primary system preventive maintenance procedures.

d. How to isolate all major components.

e. How to drain, fill and vent liquid system.

f. How to drain, clean and refill all tanks, pumps and tube bundles.

g. How to clean coils and change air filters for air systems.

h. Emergency shutdown procedures.

C. System Schematic Drawings:

1. System Schematic Drawings: The Contractor shall produce and include in the maintenance manuals, simplified schematic drawings of the mechanical systems, specifically including, but not necessarily restricted to, the following systems:

a. Hydronic heating and cooling systems.

b. Ventilation and exhaust systems.

c. Domestic water systems.

d. HVAC DCC systems.

2. Schematic drawings shall: Show in simplified form, major equipment and equipment components, control dampers, control valves and valves or devices used during normal system operation, maintenance work or emergency functions.

a. Show the primary flow paths for air and hydronic systems.

b. Reference all shown equipment, devices, ducts, zones, controls devises, piping and valves by the designations and identification tags listed in the valve directory nameplate directory, duct schedule and pipe coding schedules.

D. Master Maintenance Schedule: List each item of equipment requiring inspection and maintenance, showing component maintenance required and the intervals when such inspection and maintenance shall be performed (daily, weekly, monthly, semi-annually, etc.). For each item, reference the page within the maintenance manual where detailed manufacturer's maintenance instructions can be found.

15010-7

PART 2 PRODUCTS

2.1 MATERIALS AND EQUIPMENT

A. Materials and equipment shall be those of major and reputable manufacturers with ability to render competent and thorough service through local organizations and expeditiously to provide spare parts.

B. In addition to material and equipment specified, also provide incidental materials required to effect complete installation.

Such incidental materials include solders, tapes, caulking, mastics, gaskets, etc.

C. Mixes, Compounds, Dopes, Tapes and Fluxes: All mixes, compounds, dopes, tapes and fluxes shall be fresh, highest quality, free of contaminants, of the type and grade suitable for the intended use in each case. Where more than one type of mix, etc. is specified for the same service, select one type; however, state which type is proposed for use in the submittal material and in no case more than one type is to be used in a specific mechanical system.

Where two or more units of the same mix, etc., are required, provide products of a single manufacturer. Provide mixes, etc., bearing approval stamps wherever standards have been established.

Comply with governing regulations and industry standards for selections, and with manufacturers' recommendations where applicable.

D. Valves, piping specialties, and escutcheons and access panels to be of same manufacturer throughout installation even though they may be specified in different Divisions of these specifications.

E. All materials and equipment shall be free of asbestos. Mixes, fluxes, and solders shall be free of lead. Submit certification no asbestos or lead based materials have been used or installed.

2.2 PRODUCT DELIVERY, STORAGE, AND HANDLING

A. All materials shall be new, unused and delivered to the job site packed in their original containers.

B. All materials shall be delivered free of damage or defects.

C. Provide adequate storage facilities at the job site to protect materials from damage or corrosion.

D. Protect material, equipment and apparatus provided under this

Division from damage, water, dust, etc., both in storage and installed until final completion has been filed. Materials, equipment or apparatus damaged because of improper storage or protection will be rejected and must be removed from site.

15010-8

PART 3 EXECUTION

3.1 PREPARATION

A. The Contractor shall lay out all work in advance of construction and shall determine the correct location and placement of all material and equipment.

B. Schedule all work in coordination with that of other trades in order to avoid delays in construction and unnecessary cutting and patching.

3.2 INSTALLATION

A. All work shall be installed neatly and in accordance with the best practices in the trade.

B. Workmanship must be of highest quality, done by persons especially skilled at assigned tasks, resulting in neat, clean and well-done installations consistent with best practices of trades.

C. Repair or replace materials and parts of premises which become damaged as a result of installation of work of this Division.

Remove replaced parts from the premises.

3.3 OPERATING AND MAINTENANCE INSTRUCTION

A. Mechanical Instruction: The Contractor shall provide a minimum of 40 hours of instruction on the operation and maintenance of all mechanical systems to maintenance personnel.

B. A qualified technician shall perform instruction.

C. A factory certified representative shall give instruction of major pieces of equipment.

D. The instruction shall consist of both a "classroom" period and a "field" period.

E. The classroom portion shall consist of a brief discussion of each piece of equipment, using the maintenance manual as a guide, and a general preventive maintenance discussion of system as a whole;

e.g., discuss procedure for maintaining proper glycol heat transfer solution mixture, etc.

F. The field portion shall consist of a building walk-through to physically locate and examine each piece of equipment previously discussed. At that time, the main points discussed during the classroom portion shall be recovered while pointing out the specific grease fitting or valve, etc.

G. Certification: The Contractor shall submit, prior to or at the time of Substantial Completion and before the Government will accept responsibility for maintenance and operation of the

15010-9 facility, certification that instructions of maintenance and operation procedures have been given to representatives of the Government responsible for the maintenance and operation of the facility.

1. The certification shall indicate the name and be affixed with the signature(s) of the person(s) receiving the instructions, the dates of instruction, the names of the Contractor or subcontractor giving the instructions, and shall list the appropriate areas of instruction. Until these requirements are met, the Contractor shall provide at least one maintenance mechanic, acceptable to the Government, to operate and maintain the facility's system(s).

3.4 START-UP / DEMONSTRATION: As specified in Division 1

A. Provide the services of a factory trained technician for the start-up and testing of the following equipment:

1. HVAC DDC building controls.

2. Air Handling Units.

B. Prepare and submit complete start-up testing and demonstration plans 30 days prior to schedule test, start-up or demonstration date. All mechanical systems shall be demonstrated for proper operation. The demonstration plan shall clearly identify each system and piece of equipment and the proposed demonstration.

C. Following successful testing and start-up, submit certifications that the equipment and/or systems are operating properly.

-- END OF SECTION --

15010

SECTION 15011

GENERAL MECHANICAL HVAC PROVISIONS

1.1 SCOPE AND OBJECTIVES

A. Design and furnish all construction documents, labor, materials, equipment, supervision of labor, and performance of all operations required to completely install satisfactorily operating mechanical and plumbing systems for Heating, Ventilation and Air Conditioning.

1.2 CODE COMPLIANCE AND REFERENCES

A. Design and construction shall be in accordance with applicable industry and military codes, standards, and regulations. The most stringent shall govern when discrepancies occur. In the case of conflicting requirements, military publications and standards shall supersede provisions in the IBC and other non-military references noted.

B. The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only. Unless noted otherwise, the latest edition at the time of the FOPR shall be used. See other discipline sections for additional criteria.

1. Unified Facilities Criteria (UFC)

a. UFC 1-200-01 DoD Building Code (General Building Requirements)

b. UFC 3-400-02 Design: Engineering Weather Data

c. UFC 3-401-01 Mechanical Engineering

d. UFC 3-410-01 Heating, Ventilating, and Air Conditioning Systems

e. UFC 3-420-01 Plumbing

f. UFC 3-600-01 Fire Protection Engineering for Facilities

2. International Code Council

a. International Building Code (IBC)

b. International Plumbing Code (IPC)

c. International Mechanical Code (IMC)

3. National Fire Protection Association (NFPA)

a. NFPA 54 National Fuel Gas Code

b. NFPA 55 Compressed Gases and Cryogenics Fluids Code

c. NFPA 70 National Electric Code

d. NFPA 101 Life-Safety Code

e. NFPA 400 Hazardous Materials Code

4. American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE)

a. ASHRAE STD 90.1 Energy Standard for Buildings Except for Low-Rise Residential

Buildings

b. ASHRAE STD 62.1 Ventilation for Acceptable Indoor Air Quality

c. ASHRAE STD 135 BACnet A Data Communication Protocol for Building Automation and Control Networks

5. Sheet Metal & Air Conditioning Contractors' National Association (SMACNA)

a. SMACNA Duct Construction Standards – Metal and Flexible

b. SMACNA HVAC Air Duct Leakage Text Manual

6. The American Society of Mechanical Engineers (ASME)

a. ASME Boiler and Pressure Vessel Code

b. ASME A13.1-2015 Scheme for the Identification of Piping Systems

7. Other Industry, Government and National Standards

a. Code of Federal Regulations (CFR)

1) 29 CFR Part 1910 Occupational Safety and Health Standards

2) 29 CFR Part 1926 Safety and Health Regulations for Construction

b. U.S. Army Corp of Engineers

1) EM 385-1-1 Safety and Health Requirements Manual, 2014

c. Air Movement and Control Association (AMCA)

1) AMCA 210-16 Laboratory Methods of Testing Fans for Certified Aerodynamic

Performance Rating

d. Plumbing & Drainage Institute (PDI)

1) PDI Standard WH 201

e. Air-Conditioning, Heating, & Refrigeration Institute (AHRI)

1) AHRI 410 Forced-Circulation Air-Cooling and Air-Heating Coils

f. American Water Works Association (AWWA)

1) AWWA C651-14 Disinfecting Water Mains

g. American National Standards Institute, Inc. (ANSI)

1) ANSI Z83.19-2017 Gas-fired high-intensity infrared heaters

h. Expansion Joint Manufacturers Association, Inc. (EJMA)

1) EJMA Standards, Tenth Edition

i. National Association of Electrical Manufacturers

j. National Environmental Balancing Bureau (NEBB)

k. Associated Air Balance Council (AABC)

l. Testing, Adjusting and Balancing Bureau (TABB)

m. National Electrical Manufacturers Association (NEMA)

1.3 GENERAL REQUIREMENTS

A. All equipment and materials shall bear the UL label or equivalent from a nationally recognized testing agency acceptable to the authority having jurisdiction.

B. Seismic Protection - All mechanical piping, ductwork and equipment shall be seismically braced.

Provide all necessary steel, hardware, devices and factory-manufactured components required for seismic protection of all mechanical equipment furnished under this contract. Provide snubbers and flexible bracing as required for vibration isolation and earthquake protection. Use factory-furnished equipment and devices to the extent feasible. Follow manufacturer’s recommendations in selecting all factory-furnished devices. Submit an analysis of all required seismic control for evaluation and approval, as relating to mechanical equipment.

C. Vibration Isolation

1. Furnish and install vibration isolating mountings and hangers for all equipment having reciprocating or rotating parts and for any other equipment, piping, or vessels that produce or transmit objectionable vibrations, pulsations, or noises.

2. Furnish vibration isolators in the proper load range for the weight of the equipment supported.

The natural frequency of the isolator shall be one-third to one-fifth of the lowest vibration frequency of the equipment or system where the isolator is used. When the equipment is mounted on a structure that is not rigid, the resilient mounts shall provide deflection that is at least four times the dead load deflection of the supporting structure. Isolators shall be designed and selected so that deflection of each isolator on a piece of equipment is essentially identical.

a.All vibrating equipment and the interconnecting pipe and ductwork shall be isolated to eliminate the transmission of objectionable noise and vibration from the structure.

b.Vibration mounting isolators sizes shall be determined by the isolator manufacturer and shall be installed in accordance with the manufacturer's instructions.

D. All mechanical items which attach to or penetrate the exterior building envelope vapor retarder shall be thoroughly coordinated with the design of and installation of the vapor retarder in order to insure that the vapor retarder is not compromised. Mechanical insulation vapor retarders on pipes, ducts and plenums shall be continuously and properly sealed to the building vapor retarder.

1.4 HEATING, VENTILATING AND AIR CONDITIONING (HVAC)

A. The mechanical systems for this facility shall be designed in accordance with the references listed above and for the design conditions listed below. Supply air conditions shall be maintained in non-condensing state within prescribed conditions.

PROJECT LOCATION: JBER, ALASKA

Elevation 192 ft Heating Degree Days 10,642 °F-Day Outside Design Air Temperatures

Winter: -17°F DB Summer: 72°F DB Inside Design Air Temperatures

All Rooms Winter: 72°F DB Summer: 72°F DB

B. General Mechanical Materials and Methods

1. Design decisions will be based on logical and sound engineering judgment in determining system selections.

2. Full access for maintenance of mechanical equipment shall be provided. The area or structure where equipment is located, and the equipment itself, shall be designed and installed to allow sufficient clearance for inspection, testing, balancing, routine maintenance and the removal of coils and filters without having to remove piping, structure, doors or other surrounding items.

Access to all mechanical equipment shall be unhindered and shall not require crawling over or under structure, pipes or other items. Air handlers located above a suspended ceiling, or more than 9’-6” above the floor shall have a servicing platform that extends 30 inches from the edge of the equipment and a clear workspace of at least 36 inches must be provided above the equipment on the controls side. Catwalks, adequate lighting, operating platforms, ladders, and guardrails shall be provided to facilitate access for maintenance and testing of all equipment and devices located in any attics, suspended above ceilings or located in high bay areas. Small items of equipment such as air terminal boxes, exhaust fans and similar devices weighing less than 88 lbs are not required to comply with the catwalk/ladder requirements provided each item is readily accessible from a step ladder. All equipment access shall meet the requirements of OSHA Standards.

3. Framed instructions laminated in plastic, including wiring, sequence of operations and control diagrams showing the complete layout of the entire system, shall be posted. Condensed operating instructions explaining preventive maintenance procedures, methods of checking the system for normal safe operation, and procedures for safely starting and stopping the system shall be prepared in typed form, framed as specified above for the wiring and control diagrams and posted beside the diagrams. The framed instructions shall be posted before acceptance testing of the systems. The location of the instructions shall be clearly shown on the design drawings.

4. All motors shall be premium efficiency type.

5. Provide soft start/reduced voltage starters and/or variable frequency drives for motors 20 hp and above.

6. All equipment shall be protected from corrosion. For products with protective coatings, specifications shall be written to require the products’ corrosion protection bond to pass one of the industry standard adhesion tests.

7. All mechanical systems, equipment, and controls installed outside heated spaces shall be designed and rated for the ambient condition in which they are installed.

8. Perform testing, adjusting, balancing, and commissioning as specified in Design After Award section. The Commissioning Firm shall be a subcontractor of the D-B Contractor and shall be financially and corporately independent of all other subcontractors. The Commissioning Firm shall report to, and be paid by the D-B Contractor.

1.5 PLUMBING

A. General Piping Minimum Requirements: The following items are typical for all piping installations.

1. The following items are typical for all piping installations.

2. Close all openings in pipes with appropriate caps, plugs or covers during progress of the work to preclude introduction of undesirable materials or contaminants.

3. Slope all pipelines and provide low point drains using hose end gate valves, and provide high point vents, using specified automatic air vents.

4. Provide valves and unions adjacent to all tanks and equipment for isolation and removal purposes. All valves shall be installed with stems vertical wherever possible, and in no case shall stems be oriented below horizontal.

5. Ream ends of all pipes to full diameter free of burrs, nicks and sharp edges.

6. Cut pipe accurately from measurements taken on the site. Springing or bending to fit on make up pipe will not be permitted.

7. Bushings will not be permitted except on tanks and similar equipment. Closed waterways will not be permitted.

8. Reduction of pipe sizes shall be made with reducing tees or reducing fittings.

9. All pipelines except piping under slab on grade shall be installed parallel with building lines and as high as possible. Piping shall clear all doors, windows and other openings. Avoid all ducts, light fixtures and similar equipment and conceal in finished areas wherever possible.

10. Piping shall be supported in a manner to prevent binding, undue swing and vibration transmission to the structure.

11. Where multiple pipes are clustered and routed in parallel, use trapeze hangers.

12. Piping within finished rooms shall be concealed above suspended ceilings or within new walls and pipe chases.

13. Coordinate the placement of concealed items requiring future maintenance, adjustment or replacement in such a manner that provides full access from an access panel, door, or suspended ceiling. Where needed, provide an appropriately sized access panel or door for these items.

14. Threaded Joints: Apply Teflon tape to male equipment threads, use tape compatible with the medium flowing in the pipe and which is rated for the service temperature.

15. Soldered Joints: Use Type 95/5 Tin-Antimony or approved, lead-free solder, for copper tubing.

16. Refrigeration piping shall be brazed

17. Ring Gaskets: spiral wound with centering ring, shall be used with all flanges.

18. Arrange piping along walls in horizontal groups, each group to be in one plane.

19. All non-factory finished piping, insulated and non-insulated, and pipe/equipment supports shall be painted. All pipe and equipment supports located on or within 12” of the floor shall be primed and painted with two coats of paint prior to installation, see Section Paints and Coatings, see Architectural Design Criteria for further painting requirements.

20. Locate thermometers and gauges to permit observation by personnel standing on floor.

21. Indicate ranges of gauges in final design drawings.

22. Provide instrument cocks at pressure gauges.

23. Provide insulating couplings, dielectric waterways or flanges to prevent electrolysis at dissimilar metal piping connections.

24. Unions for copper piping shall be brass.

25. Field verify all valves for packing and proper lubricant. Replace leaking packing.

26. Provide isolation valves near all mechanical equipment requiring service. Provide isolation valves at each fixture group, for hot, cold and hot water recirculated water piping.

27. Provide valves same size as line size. All ball valves shall be full port.

28. Hydronic flow adjustment valves shall be sized for the flow adjustment range requirements

(not necessarily line size).

29. Install swing checks and gravity closing lift checks in horizontal position.

30. Provide gate or ball blow-down valves and hose thread adapters at strainers, valves shall be the same size as strainer blow-down connection. Provide end caps at all hose thread adapters and drain down valves.

31. Provide nickel or chrome-plated escutcheons on all pipes passing through walls, floors and ceilings in finished areas, and where piping is in corridors, closets or cabinets and subject to view when doors are open. Escutcheons shall cover the pipe sleeve and shall be set with screws or springs for holding plate in position.

32. Design and install piping with provisions for expansion and contraction using expansion loops, swing joints or expansion joints where required. Provide properly engineered expansion system complete with pipe guides and anchors. Expansion compensation, guides and anchors shall be installed in accordance with the EJMA Standards. Coordinate pipe anchoring with structural engineer to insure that stresses imposed on the building structure are acceptable. Provide for expansion and contraction in mains, risers, and run-outs. Do not spring or force piping during installation. Expansion compensation design shall limit the maximum axial movement of piping to 1 inch from lowest to highest possible system temperature differential, assume that heating piping is installed at 40 degrees F, and that cooling or domestic cold water piping is installed at 68 degrees F.

33. Flush all piping systems with clear water. Operate valves and other system components;

drain and sterilize domestic water systems in accordance with requirements of AWWA C651.

34. Test all piping systems before concealing piping. Before testing, isolate or remove all equipment from system that would be damaged by test pressure. Purge or bleed air from piping systems before performing hydrostatic testing. Perform hydrostatic or pneumatic tests on piping in accordance with applicable code requirements.

B. Pipe Sleeves

1. Provide sleeves where pipes pass through walls, floors or ceilings. Sleeves in bearing walls, foundations, masonry or concrete walls and slabs shall be black steel pipe. Sleeves shall be set in place during the construction of the walls and floors. All sleeves through framed wall or similar construction shall be 20 gauge galvanized sheet metal with edges turned 3/4 inch, installed flush with both sides of wall partition. All sleeves shall be flush with surfaces except mechanical rooms, basement floor and any wet floor area where seepage may occur. In such areas the sleeves shall project a minimum of 1 inch above floor.

2. Size sleeves to allow annular space in accordance with manufacture’s recommendation for space between pipe insulation, or the bare pipe, and the pipe sleeve. The space between pipe and sleeve shall be filled with mineral wool or other non-combustible material.

3. Where required to prevent passage of fire and smoke in fire/smoke rated wall, floor and ceiling assemblies, pack and seal with appropriately rated materials and provide fire rated caulk to stop the passage of fire and smoke.

4. Where sleeves are installed in walls with high sound transmission loss or sleeve serves vibration-isolated pipe, sufficient space shall be provided between pipe and sleeve and packed with multiple layers of high-density sponge neoprene to reduce transmission of sound.

Allow space on each side of opening and cover neoprene with non-combustible material and caulking, as required to seal opening in accordance with above requirements. Provide sound-dampening sleeves at all mechanical/fan room and sound sensitive room penetrations.

5. For piping passing through sleeves in areas containing floor drains and in waterproof construction, caulk annular space between pipe or pipe insulation and the enclosing sleeve to attain a watertight installation. Caulk and finish with sealing compound.

C. Piping Hangers and Supports

1. All piping within the confines of the building walls shall be rigidly supported from the building structure by means of hangers or supports.

2. Support piping to maintain required grading and pitching of lines, to prevent and/or dampen excessive vibration, to secure piping in place and prevent any undue strain on the connected equipment.

3. Arrange supports to provide for expansion and contraction. No drilling of structural members will be permitted. Hanger and supports shall have a minimum safety factor of 5, based upon ultimate tensile or compressive strength, as applicable of material used.

a. Provide bracing to prevent lateral motion.

b. Provide plastic coated hangers and supports for copper pipe.

c. Provide galvanized hangers and supports for galvanized piping.

d. Do not support weight of piping from mechanical equipment, ductwork, pump flanges, coil connects, or piping of other trades and related items.

e. Provide insulation shields between hanger or support and piping for insulated piping.

Select and size all pipe supports and hangers to allow continuous insulation through each.

f. Provide retaining clamp on all C-clamps and beam clamps.

g. Chain or strap hangers (plumbers tape) will not be permitted.

h. Plastic pipe hangars or supports will not be permitted.

i. Support vertical lines at bases with riser clamps.

j. Provide trapeze type hangers for multiple parallel horizontal pipes.

k. Do not bend pipe hanger rods to provide alignment of piping offset from overhead supports.

l. Provide additional support for heavy valves, specialties, and sway bracing where required.

m. Provide pipe guides, anchors and expansion joints for all heating pipes, with minimum of one guide on each side of every expansion joint, final number of guides required per EJMA Standards for the type of joint used.

n. Remove rust from ferrous hanger equipment and rods, and apply one coat of rust inhibiting paint before, or immediately after, installation.

o. All pipe supports and hangers within 12” of the floor in mechanical rooms are required to be primed and completely covered with 2 coats of rust inhibitor paint prior to installation or provide supports with factory finishes that do not require corrosion inhibitors.

4. Pipe Hanger Schedule: Pipe hangers and pipe hanger spacing shall be in accordance with the International Mechanical Code and the International Plumbing Code.

D. Equipment and Component Identification

1. Equipment Identification

a. Manufacturer's nameplates shall be provided on all equipment identifying manufacturer's name, model number, size, capacity, and electrical characteristics. Leave manufacturer's nameplates clean and legible.

b. Identify all equipment with engraved identification tags showing symbol number and service as shown on the final design drawings. Securely fasten identification tags to equipment.

2. Piping Identification

a. Piping identification shall comply with ASME A13.1 “Scheme for the Identification of

Piping Systems”.

b. Identify piping at 16 foot centers in all rooms, as well as in all the other spaces (such as shafts) in which piping may be viewed. There shall be at least one set of identifying bands per pipe in each space requiring identifying bands. In addition, the origination of each pipe main shall be further identified indicating the zone served. In areas with special painting requirements, identify all piping only as it enters and leaves the area.

3. Valve Identification

a. Identify valves in all areas with 2” x 4” identification tags installed on handwheels or stem with brass bead chain or brass wire chain. Identification tags shall be engraved, indicating the service abbreviation, stating whether normally open (engraved on green) or normally closed (engraved on red). Service abbreviation shall match piping service identification label. In addition, each valve tag shall include a unique sequential identification number. Where valves are located above suspended ceilings, provide colored pin markers in ceiling tiles to allow location of valves. See legend below for color coding of marker pins.

Marker Pin Color Legend Service Pin Color Domestic Water Blue Heating Water Red

b. Marker pin color coding legend shall be laminated and installed with valve identification charts as indicated below.

E. Insulation

1. General

a. Provide insulation on all hydronic heating piping and fittings, cooling water piping and fittings, refrigeration piping, rain leaders, roof drain sumps and domestic water piping systems. Insulation shall be fiberglass with all-service vapor barrier jacket. Insulation shall be provided on all piping, flanges, valves, accessories, and appurtenances for each system, except for balance valves, pumps and heat exchangers.

b. Provide PVC pipe fitting covers and seal ends of fiberglass insulation with mastic.

c. Provide cold water systems with a continuous vapor seal. No staples or pins are permitted on cold water piping system insulation.

d. All non-factory finished fiberglass insulation shall be finished with glass cloth and two coats of mastic.

e. Piping insulation shall be continuous at all hangers and supports with rigid inserts and sheet metal shields.

f. Rigid Insulation Inserts for Pipe: Calcium silicate, or approved substitute, for installation between pipe and hanger. Provide cellular foam inserts for all cold piping systems.

g. Galvanized Metal Shields: 16 gauge for 3 inch and smaller pipe, and 14 gauge for 4 inch and larger; formed to fit the diameter of the insulation, extending up to the centerline of the pipe. Length equal to insulation hanger inserts.

2. Metal Jackets

a. Aluminum jackets shall be 0.025 inches thick, have an embossed finish. Jacket sections shall be joined using longitudinal slip joints with a minimum 2 inch lap, caulk, and seal between all metal seams. Jacket shall be secured with 1/2 inch wide by 0.031 inches thick annealed stainless steel bands.

b. Provide aluminum jackets on all insulated piping exposed in finished areas, mechanical rooms and in high traffic areas where piping insulation may be damaged, up to 6 feet above finished floor.

c. Piping Insulation

d. Domestic Hot, Cold, and Recirculating Piping - all pipe sizes, 1 inch thick.

e. Plumbing vents - 4 feet below roof insulation to termination above roof line, 1 inch thick.

1.6 FIELD TESTING

A. General

1. The D-B Contractor shall perform all tests and inspections recommended or required by code, manufacturers and/or the DOR(s), specifications, unless specifically waived by the Contracting Officer. The D-B Contractor shall maintain a written record of all tests which includes date, test performed, personnel involved, devices tested, serial number and name of test equipment, and test results. Field test reports shall be signed and dated by the D-B Contractor.

2. Field testing shall be performed in the presence of the Contracting Officer or authorized representative. The D-B Contractor shall notify the Contracting Officer two days prior to conducting tests. The D-B Contractor shall furnish all materials, labor, and equipment necessary to conduct field tests. The D-B Contractor shall perform all tests and inspections recommended by the manufacturer unless specifically waived by the Contracting Officer. The D-B Contractor shall maintain a written record of all tests, which includes date, test performed, personnel involved, devices tested, serial number and name of test equipment, and test results. All field test reports shall be signed and dated by the D-B Contractor.

B. Required Test(s): In addition to preforming field testing as specified by code, manufacturers, the

DOR(s), specifications for the installed equipment and material, perform the following field tests:

1. Plumbing Test(s): test all plumbing, sewer, and DWV piping IAW 2015 IPC Section 312.

2. Natural Gas Test(s): test natural gas Piping IAW 2015 IFGC Section 406.

3. Ventilation Test(s): verify air quantities at all ventilation supply and return endpoints are within +- 10% of their respective design cfm and ventilation system(s) are appropriately balanced as specified. Verify that relative positive or negative pressures between areas of the are maintained in all building operation modes.

C. Operating Tests

1. After the installation is completed, and at such times as the Contracting Officer may direct, the D-B Contractor shall conduct operating tests for approval. The equipment shall be demonstrated to operate in accordance with the requirements herein. An operating test report shall be submitted to the Contracting Officer for approval.

- End of Section -

SECTION 26 00 00.00 20

BASIC ELECTRICAL MATERIALS AND METHODS

04/20

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM D709 (2017) Standard Specification for

Laminated Thermosetting Materials

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 100 (2000; Archived) The Authoritative Dictionary of IEEE Standards Terms

IEEE C2 (2017; Errata 1-2 2017; INT 1 2017)

National Electrical Safety Code

IEEE C57.12.28 (2014) Standard for Pad-Mounted Equipment

- Enclosure Integrity

IEEE C57.12.29 (2014) Standard for Pad-Mounted Equipment

- Enclosure Integrity for Coastal Environments

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2014) Enclosures for Electrical Equipment

(1000 Volts Maximum)

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2017; ERTA 1-2 2017; TIA 17-1; TIA 17-2;

TIA 17-3; TIA 17-4; TIA 17-5; TIA 17-6;

TIA 17-7; TIA 17-8; TIA 17-9; TIA 17-10;

TIA 17-11; TIA 17-12; TIA 17-13; TIA

17-14) National Electrical Code

1.2 RELATED REQUIREMENTS

This section applies to certain sections of Division 02, EXISTING CONDITIONS. This section applies to all sections of Division 26 and 33, ELECTRICAL and UTILITIES, of this project specification unless specified otherwise in the individual sections. This section has been incorporated into, and thus, does not apply to, and is not referenced in the following sections.

1.3 DEFINITIONS

a. Unless otherwise specified or indicated, electrical and electronics terms used in these specifications, and on the drawings, shall be as defined in IEEE 100.

b. The technical sections referred to herein are those specification sections that describe products, installation procedures, and equipment operations and that refer to this section for detailed description of submittal types.

c. The technical paragraphs referred to herein are those paragraphs in

PART 2 - PRODUCTS and PART 3 - EXECUTION of the technical sections that describe products, systems, installation procedures, equipment, and test methods.

1.4 ELECTRICAL CHARACTERISTICS

Electrical characteristics for this project shall be 12470/7200v, three phase, four wire, 60 Hz primary, and 208Y/120 volts secondary, three phase, four wire. Final connections to the power distribution system at the existing site specific location shall be made by the Contractor as shown on drawings.

1.5 ADDITIONAL SUBMITTALS INFORMATION

Submittals required in other sections that refer to this section must conform to the following additional requirements as applicable.

1.5.1 Product Data (SD-03)

Submittal shall include performance and characteristic curves.

1.6 QUALITY ASSURANCE

1.6.1 Regulatory Requirements

In each of the publications referred to herein, consider the advisory provisions to be mandatory, as though the word, "shall" had been substituted for "should" wherever it appears. Interpret references in these publications to the "authority having jurisdiction," or words of similar meaning, to mean the Contracting Officer. Equipment, materials, installation, and workmanship shall be in accordance with the mandatory and advisory provisions of NFPA 70 unless more stringent requirements are specified or indicated.

1.6.2 Standard Products

Provide materials and equipment that are products of manufacturers regularly engaged in the production of such products which are of equal material, design and workmanship. Products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening. The 2-year period shall include applications of equipment and materials under similar circumstances and of similar size. The product shall have been on sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2-year period. Where two or more items of the same class of equipment are required, these items shall be products of a single manufacturer; however, the component parts of the item need not be the products of the same manufacturer unless stated in the technical section.

1.6.2.1 Alternative Qualifications

Products having less than a 2-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturers' factory or laboratory tests, is furnished.

1.6.2.2 Material and Equipment Manufacturing Date

Products manufactured more than 3 years prior to date of delivery to site shall not be used, unless specified otherwise.

1.7 WARRANTY

The equipment items shall be supported by service organizations which are reasonably convenient to the equipment installation in order to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

1.8 POSTED OPERATING INSTRUCTIONS

Provide for each system and principal item of equipment as specified in the technical sections for use by operation and maintenance personnel.

The operating instructions shall include the following:

a. Wiring diagrams, control diagrams, and control sequence for each principal system and item of equipment.

b. Start up, proper adjustment, operating, lubrication, and shutdown procedures.

c. Safety precautions.

d. The procedure in the event of equipment failure.

e. Other items of instruction as recommended by the manufacturer of each system or item of equipment.

Print or engrave operating instructions and frame under glass or in approved laminated plastic. Post instructions where directed. For operating instructions exposed to the weather, provide weather-resistant materials or weatherproof enclosures.