V2_589-22-885_IFC_Specifications.pdf

A | 312 SW 25th St. Oklahoma City, OK 73109 P | 405.842.6100 E | howdy@spur-design.com W | spur-design.com

589-22-885 | Expand SPS Kansas City VAMC – Kansas City, MO

Issued for Construction

October 11, 2024

Specifications Sign and Seal: 10/11/2024

Missouri Architectural Registration

No. A-2009021688

Specifications Sign and Seal: 10/11/2024

Missouri Engineer (Structural) Registration

No. PE-2016034876

Specifications Sign and Seal: 10/11/2024

Missouri Engineer (Mechanical) Registration

No. PE-2019040392

Missouri Engineer (Electrical) Registration

No. PE-2021030250

Missouri Engineer (Fire Protection) Registration No. PE-2001025281

Environmental Credential

No. 8594 CP

A | 312 SW 25th St. Oklahoma City, OK 73109 P | 405.842.6100 E | howdy@spur-design.com W | spur-design.com

RCDD (Telecommunications) BICSI ID No.

270641

VA 589-22-885 EXPAND SPS

KANSAS CITY VA MEDICAL CENTER

ISSUED FOR CONSTRUCTION

04-17-24

00 01 10-1

TABLE OF CONTENTS

DEPARTMENT OF VETERANS AFFAIRS

VHA MASTER SPECIFICATIONS

TABLE OF CONTENTS

Section 00 01 10

NOTE: ‘*’ DENOTES CUSTOM SPECIFICATION

SECTION NO. DIVISION AND SECTION TITLES DATE

DIVISION 00 - SPECIAL SECTIONS

00 01 15 List of Drawing Sheets 05-20

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 General Requirements 11-21

01 32 16.15 Project Schedules (Small Projects – Design/Bid/Build 11-21

01 33 23 Shop Drawings, Product Data, and Samples 11-23

01 35 26 Safety Requirements 10-22

01 42 19 Reference Standards 11-20

01 45 00 Quality Control 02-21

01 45 29 Testing Laboratory Services 11-18

01 45 35 Special Inspections 06-21

01 74 19 Construction Waste Management 04-22

01 91 00 General Commissioning Requirements 04-22

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition 08-17

02 82 11 Traditional Asbestos Abatement 01-21

02 82 13.19 Asbestos Floor Tile and Mastic Abatement 01-21

02 82 13.21 Asbestos Roofing Abatement 01-21

02 83 33.13 Lead-Based Paint Removal and Disposal 01-21

DIVISION 03 – CONCRETE

03 01 30.72 *Fiber Reinforced Polymer 11-23

03 30 00 Cast-in-Place Concrete 01-21

DIVISION 04 – MASONRY – NOT USED

DIVISION 05 – METALS

05 12 00 Structural Steel Framing 11-18

05 31 00 Steel Decking 01-21

05 36 00 Composite Metal Decking 01-21

05 50 00 Metal Fabrications 08-18

DIVISION 06 – WOOD, PLASTICS AND COMPOSITES

06 10 00 Rough Carpentry 10-17

ISSUED FOR CONSTRUCTION

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00 01 10-2

TABLE OF CONTENTS

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 01 50.19 Preparation for Re-Roofing 01-21

07 21 13 Thermal Insulation 01-21

07 81 00 Applied Fireproofing 10-17

07 84 00 Firestopping 01-21

07 92 00 Joint Sealants 04-22

DIVISION 08 - OPENINGS

08 11 13 Hollow Metal Doors and Frames 01-21

08 14 00 Interior Wood Doors 01-21

08 31 13 Access Doors and Frames 04-22

08 34 00 *Special Function Doors 11-23

08 42 29.23 *Sliding Automatic Entrances 11-23

08 71 00 Door Hardware 05-22

08 71 13 Automatic Door Operators 01-21

08 80 00 Glazing 01-21

08 90 00 Louvers and Vents 01-21

DIVISION 09 – FINISHES

09 05 16 Subsurface Preparation for Floor Finishes 01-21

09 06 00 Schedule for Finishes 01-21

09 22 16 Non-Structural Metal Framing 06-18

09 29 00 Gypsum Board 04-20

09 30 13 Ceramic/Porcelain Tiling 01-21

09 51 00 Acoustical Ceilings 12-18

09 65 13 Resilient Base and Accessories 01-21

09 65 16 Resilient Sheet Flooring 06-22

09 65 19 Resilient Tile Flooring 05-18

09 67 23.60 Resinous Urethane and Epoxy Mortar Flooring (RES-6A and

RES 6B)

12-21

09 68 00 Carpeting 01-21

09 91 00 Painting 01-21

09 96 59 Resinous Specialty Glazed Coating Systems for Walls, Ceilings, Wallboard, and Block CMU (RES-W1, RES-W2)

01-21

DIVISION 10 – SPECIALTIES

10 14 00 Signage 01-21

10 21 13 Toilet Compartments 01-21

10 26 00 Wall and Door Protection 01-21

10 28 00 Toilet, Bath, and Laundry Accessories 01-21

10 44 13 Fire Extinguisher Cabinets 08-18

10 51 16 *Plastic Lockers 11-23

ISSUED FOR CONSTRUCTION

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00 01 10-3

DIVISION 11 – EQUIPMENT

11 71 01 Medical Washing and Sterilizing Equipment 01-21

DIVISION 12 – FURNISHINGS

12 24 00 Window Shades 08-17

12 31 00 Manufactured Metal Casework 01-21

12 32 00 Manufactured Wood Casework 01-21

12 36 00 Countertops 12-18

DIVISION 13 - SPECIAL CONSTRUCTION

13 21 13 *Clean Room Pass-Thru Cabinet 11-23

DIVISION 14– CONVEYING EQUIPEMENT

14 12 11 Traction and Winding Drum Dumbwaiter 08-23

DIVISION 21- FIRE SUPPRESSION

21 08 00 Commissioning of Fire Suppression System 11-16

21 13 13 Wet-Pipe Sprinkler Systems 06-15

DIVISION 22 – PLUMBING

22 05 11 Common Work Results for Plumbing 01-23

22 05 12 General Motor Requirements for Plumbing Equipment 09-20

22 05 19 Meters and Gages for Plumbing Piping 09-20

22 05 23 General-Duty Valves for Plumbing Piping 09-20

22 07 11 Plumbing Insulation 09-19

22 08 00 Commissioning of Plumbing Systems 11-16

22 11 00 Facility Water Distribution 05-21

22 11 23 Domestic Water Pumps 09-15

22 13 00 Facility Sanitary and Vent Piping 09-20

22 15 00 General Service Compressed-Air Systems 09-20

22 31 11 Water Softeners 09-15

22 35 00 Domestic Water Heat Exchangers 09-20

22 40 00 Plumbing Fixtures 12-22

22 63 00 Gas Systems for Laboratory and Healthcare Facilities 05-23

22 66 00 Chemical-Waste Systems for Laboratory and Healthcare

Facilities

09-20

22 67 19.16 Reverse-Osmosis Water Equipment 09-15

DIVISION 23 – HEATING, VENTILATING, AND AIR

CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC 03-23

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TABLE OF CONTENTS

SECTION NO. DIVISION AND SECTION TITLES DATE

23 05 12 General Motor Requirements for HVAC and Steam

Generation Equipment

02-20

23 05 41 Noise and Vibration Control for HVAC Piping and

Equipment

03-23

23 05 93 Testing, Adjusting, and Balancing for HVAC 03-23

23 07 11 HVAC and Boiler Plant Insulation 02-20

23 08 00 Commissioning of HVAC Systems 03-23

23 09 23 Direct-Digital Control System for HVAC 03-23

23 21 13 Hydronic Piping 03-23

23 21 23 Hydronic Pumps 03-23

23 22 13 Steam and Condensate Heating Piping 08-23

23 31 00 HVAC Ducts and Casings 03-23

23 34 00 HVAC Fans 03-23

23 36 00 Air Terminal Units 03-23

23 37 00 Air Outlets and Inlets 03-23

23 40 00 HVAC Air Cleaning Devices 03-23

23 73 00 Indoor Central-Station Air-Handling Units 03-23

23 74 13 Packaged, Outdoor, Central-Station Air-Handling Units 03-20

23 82 16 Air Coils 03-23

DIVISION 25 – INTEGRATED AUTOMATION – NOT USED

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations 11-22

26 05 19 Low-Voltage Electrical Power Conductors and Cables 11-22

26 05 26 Grounding and Bonding for Electrical Systems 11-22

26 05 33 Raceway and Boxes for Electrical Systems 11-22

26 05 73 Overcurrent Protective Device Coordination Study 11-22

26 08 00 Commissioning of Electrical Systems 11-16

26 09 23 Lighting Controls 11-22

26 22 00 Low-Voltage Transformers 11-22

26 24 16 Panelboards 11-22

26 24 19 Motor Control Centers 11-22

26 27 26 Wiring Devices 11-22

26 29 11 Motor Controllers 11-22

26 29 21 Enclosed Switches and Circuit Breakers 11-22

26 36 23 Automatic Transfer Switches 11-22

26 43 13 Surge Protective Devices 11-22

26 51 00 Interior Lighting 11-22

DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations 09-19

27 05 26 Grounding and Bonding for Communications Systems 06-15

27 05 33 Raceways and Boxes for Communications Systems 10-18

27 08 00 Commissioning of Communications Systems 11-16

27 11 00 Communications Equipment Room Fittings 06-15

27 15 00 Communications Structured Cabling 01-16

27 51 16 Public Address and Mass Notification Systems 10-18

ISSUED FOR CONSTRUCTION

04-17-24

00 01 10-5

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

28 05 00 Common Work Results for Electronic Safety and Security 04-18

28 05 13 Conductors and Cables for Electronic Safety and

Security

10-18

28 05 26 Grounding and Bonding for Electronic Safety and

Security

09-11

28 05 28.33 Conduits and Backboxes for Electronic Safety and

Security

09-11

28 08 00 Commissioning of Electronic Safety and Security Systems 11-16

28 13 00 Physical Access Control System 10-11

28 16 00 Intrusion Detection System 10-11

28 23 00 Video Surveillance 09-11

28 31 00 Fire Detection and Alarm 10-11

DIVISION 31 – EARTHWORK – NOT USED

DIVISION 32 – EXTERIOR IMPROVEMENTS – NOT USED

DIVISION 33 – UTILITIES – NOT USED

DIVISION 34 – TRANSPORTATION – NOT USED

DIVISION 48 – Electrical Power Generation – NOT USED

ISSUED FOR CONSTRUCTION

09-01-15

22 11 23 - 1

SECTION 22 11 23

DOMESTIC WATER PUMPS

PART 1 - GENERAL

1.1 DESCRIPTION

A. Hot water circulating pump, hot water recirculation pump and domestic water pressure booster system.

B. A complete listing of all acronyms and abbreviations are included in

Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

1.2 RELATED WORK

A. Section 01 00 00, GENERAL REQUIREMENTS.

B. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

C. Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS.

D. Section 01 91 00, GENERAL COMMISSIONING REQUIREMENTS.

E. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL

COMPONENTS: Seismic Restraint.

F. Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

G. Section 22 05 12, GENERAL MOTOR REQUIREMENTS FOR PLUMBING EQUIPMENT.

H. Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS: Requirements for commissioning, systems readiness checklist, and training.

I. Section 26 29 11, MOTOR CONTROLLERS.

1.3 APPLICABLE PUBLICATIONS

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

B. American Society of Mechanical Engineers (ASME):

ASME Boiler and Pressure Code -

BPVC Section VIII-1-2015 Rules for Construction of Pressure

Vessels, Division 1

BPVC Section VIII-2-2015 Rules for Construction of Pressure

Vessels, Division 2-Alternative Rules

C. American Society for Testing and Materials (ASTM):

A48/A48M-2003 (R2012)...Standard Specification for Gray Iron Castings

B584-2014...............Standard Specification for Copper Alloy Sand

Castings for General Applications

D. International Code Council (ICC)

IPC-2012................International Plumbing Code

ISSUED FOR CONSTRUCTION

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22 11 23 - 2

E. National Electrical Manufacturers Association (NEMA):

ICS 6-1993 (R2001, R2006) Industrial Control and Systems:

Enclosures

250-2014................Enclosures for Electrical Equipment (1000 Volts

Maximum)

F. NSF International (NSF)

61-2014a................Drinking Water System Components – Health

Effects

372-2011................Drinking Water System Components – Lead Content

G. Underwriters' Laboratories, Inc. (UL):

508-1999 (R2013)........Standards for Industrial Control Equipment

778-2010 (R2014)........Standard for Motor-Operated Water Pumps

1.4 SUBMITTALS

A. Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 22 11 23, DOMESTIC WATER PUMPS”, with applicable paragraph identification.

C. Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity.

1. Pump:

a. Manufacturer and model.

b. Operating speed.

c. Capacity.

d. Characteristic performance curves.

2. Motor:

a. Manufacturer, frame and type.

b. Speed.

c. Current Characteristics.

d. Efficiency.

4. Drive: Information in accordance with Section 26 29 11, MOTOR

CONTROLLERS.

D. Certificate of shop test for domestic water booster system. Provide certified performance curves.

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22 11 23 - 3

E. Certified copies of all the factory and construction site test data sheets and reports.

F. Complete operating and maintenance manuals including wiring diagrams, technical data sheets, information for ordering replacement parts, and troubleshooting guide:

1. Include complete list indicating all components of the systems.

2. Include complete diagrams of the internal wiring for each item of equipment.

3. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance.

G. Completed System Readiness Checklist provided by the CxA and completed by the contractor, signed by a qualified technician and dated on the date of completion, in accordance with the requirements of Section 22

08 00, COMMISSIONING OF PLUMBING SYSTEMS.

H. Submit training plans and instructor qualifications in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING

SYSTEMS.

1.5 QUALITY ASSURANCE

A. General:

1. UL Compliance: Comply with UL 778 for motor-operated water pumps.

2. Design Criteria:

a. Pump sizes, capacities, pressures, operating characteristics and efficiency shall be as scheduled.

b. Head-capacity curves shall slope up to maximum head at shut-off.

Select pumps near the midrange of the curve, and near the point of maximum efficiency, without approaching the pump curve end point and possible cavitation and unstable operation. Select pumps for open systems so that required net positive suction head

(NPSHR) does not exceed the net positive head available (NPSHA).

c. Pump Driver: Furnish with pump. Size shall be non-overloading at any point on the head-capacity curve, including in a parallel or series pumping installation with one pump in operation.

d. Provide all pumps with motors, impellers, drive assemblies, bearings, coupling guard and other accessories specified.

Statically and dynamically balance all rotating parts.

e. Furnish each pump and motor with a nameplate giving the manufacturers name, serial number of pump, capacity in GPM and

ISSUED FOR CONSTRUCTION

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22 11 23 - 4 head in feet at design condition, horsepower, voltage, frequency, speed and full load current and motor efficiency.

f. Test all pumps before shipment. The manufacturer shall certify all pump ratings.

g. After completion of balancing, provide replacement of impellers or trim impellers to provide specified flow at actual pumping head, as installed.

B. Hot Water Circulating and Recirculating Pumps: Components shall be assembled by a single manufacturer and the pump motor assembly shall be the standard cataloged product of the manufacturer.

C. Domestic Water Pressure Booster System:

1. Components shall be furnished by a single manufacturer and the system shall be the standard cataloged product of the manufacturer.

2. Shop Test: Water booster unit and its component parts shall undergo a thorough electric and hydraulic operating test prior to shipment.

Tests shall include a system operating flow test from zero to 100 percent of design flow rate under specified suction and system pressure conditions. Certified performance curves shall be furnished.

D. Bio-Based Materials: For products designated by the USDA’s Bio-

Preferred Program, provide products that meet or exceed USDA recommendations for bio-based content, so long as products meet all performance requirements in this specifications section. For more information regarding the product categories covered by the Bio-

Preferred Program, visit http://www.biopreferred.gov.

1.6 AS-BUILT DOCUMENTATION

A. Submit manufacturer’s literature and data updated to include submittal review comments and any equipment substitutions.

B. Submit operation and maintenance data updated to include submittal review comments, substitutions and construction revisions shall be in electronic version on compact disc or DVD inserted into a three ring binder. All aspects of system operation and maintenance procedures, including piping isometrics, wiring diagrams of all circuits, a written description of system design, control logic, and sequence of operation shall be included in the operation and maintenance manual. The operations and maintenance manual shall include troubleshooting techniques and procedures for emergency situations. Notes on all http://www.biopreferred.gov/

ISSUED FOR CONSTRUCTION

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22 11 23 - 5 special systems or devices such as damper and door closure interlocks shall be included. A List of recommended spare parts (manufacturer, model number, and quantity) shall be furnished. Information explaining any special knowledge or tools the owner will be required to employ shall be inserted into the As-Built documentation.

C. The installing contractor shall maintain as-built drawings of each completed phase for verification; and, shall provide the complete set at the time of final systems certification testing. As-built drawings are to be provided, and a copy of them in Auto-CAD version 2018 provided on compact disk or DVD. Should the installing contractor engage the testing company to provide as-built or any portion thereof, it shall not be deemed a conflict of interest or breach of the ‘third party testing company’ requirement.

D. Certification documentation shall be provided to COR 10 working days prior to submitting the request for final inspection. The documentation shall include all test results, the names of individuals performing work for the testing agency on this project, detailed procedures followed for all tests, and certification that all results of tests were within limits specified.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Material or equipment containing a weighted average of greater than

0.25 percent lead shall be prohibited in any potable water system intended for human consumption, and shall be certified in accordance with NSF 61 or NSF 372.

2.2 HOT WATER RECIRCULATING PUMP

A. General:

1. Centrifugal, single stage, pump. Driver shall be electric motor, close coupled or connected by flexible or magnetic coupling. Pump for hot water system shall be designed for quiet, trouble-free operation at a minimum of 82 degrees C (180 degrees F) water service and 1,035 kPa (150 psig).

2. Mounting shall be in-line, vertical or horizontal as indicated on drawing schedules.

3. Stamped or engraved stainless steel nameplate.

4. Motors: Maximum 40 degrees C (104 degrees F) ambient temperature rise, drip-proof, for operation with current, voltage, phase and

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22 11 23 - 6 cycle shown in schedule on Electrical drawings, conforming to NEMA

Type 4. Motors shall be equipped with thermal overload protection.

When motor has cooled down it shall re-start automatically if the operating control has been left on and the system requires pump to start.

5. Pump shall operate continuously with on-off switch, or with an HOA switch for automatically controlled pumps, for manual shut down. In the inlet and outlet piping of the pump, shutoff valves shall be installed to permit service to the pump, strainer, and check valve without draining the system.

6. A check valve shall be installed in the pump discharge piping immediately downstream of the pump. A strainer with drain valve and removable strainer screen or basket shall be installed immediately upstream of the pump. Flexible pipe connectors and isolation pipe hangers shall be installed to prevent pump vibration from being transferred to adjacent piping and the building structure.

B. Horizontal, Wet-Rotor Circulators:

1. Maintenance free, close-coupled pump and motor with maximum 3,300 rpm rotational speed.

2. Cast iron body construction with ceramic shaft, plastic impeller, fluid lubricated bearings, no mechanical seal, and flanged connections. Pump shall be capable of pumping the capacity scheduled on drawings.

3. Bearings: Carbon type.

4. Impeller shall be high grade, cast brass or bronze, accurately machined and properly balanced.

5. Seal: Mechanical, with carbon-steel rotating ring, stainless steel spring, ceramic seat, and rubber bellows and gasket. Include water slinger on shaft between motor and seal.

C. Vertical, In-Line Pumps:

1. Close-coupled pump and motor with maximum 3,600 rpm rotational speed.

2. Bronze body construction with solid steel shaft and flanged connections. Pump shall be suitable for mounting in a vertical or horizontal position, and shall be capable of pumping the capacity scheduled on drawings.

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3. Bearings: Permanently oil lubricated and sealed, stainless steel ball bearings.

4. Impeller shall be high grade, cast brass or bronze, accurately machined and properly balanced.

5. Seal: Mechanical, with carbon-steel rotating ring, stainless steel spring, ceramic seat, and rubber bellows and gasket. Include water slinger on shaft between motor and seal.

2.3 HOT WATER CIRCULATING PUMP

A. General:

1. Centrifugal, single stage, pump. Driver shall be electric motor, close coupled or connected by flexible or magnetic coupling. Pump for hot water system shall be designed for quiet, trouble-free operation at a minimum of 82 degrees C (180 degrees F) water service and 1,035 kPa (150 psig).

2. Mounting shall be in-line, vertical or horizontal as indicated on drawing schedules.

3. Stamped or engraved stainless steel nameplate.

4. Motors: Maximum 40 degrees C (104 degrees F) ambient temperature rise, drip-proof, for operation with current, voltage, phase and cycle shown in schedule on Electrical drawings, conforming to NEMA

Type 4. Motors shall be equipped with thermal overload protection.

When motor has cooled down it shall re-start automatically if the operating control has been left on and the system requires pump to start.

5. Pump shall operate continuously with on-off switch, or with an HOA switch for automatically controlled pumps, for manual shut down. In the inlet and outlet piping of the pump, shutoff valves shall be installed to permit service to the pump, strainer, and check valve without draining the system.

6. A check valve shall be installed in the pump discharge piping immediately downstream of the pump. A strainer with drain valve and removable strainer screen or basket shall be installed immediately upstream of the pump. Flexible pipe connectors and isolation pipe hangers shall be installed to prevent pump vibration from being transferred to adjacent piping and the building structure.

B. Horizontal, Wet-Rotor Circulators:

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1. Maintenance free, close-coupled pump and motor with maximum 3,300 rpm rotational speed.

2. Cast iron body construction with ceramic shaft, plastic impeller, fluid lubricated bearings, no mechanical seal, and flanged connections. Pump shall be capable of pumping the capacity scheduled on drawings.

3. Bearings: Carbon type.

4. Impeller shall be high grade, cast brass or bronze, accurately machined and properly balanced.

5. Seal: Mechanical, with carbon-steel rotating ring, stainless steel spring, ceramic seat, and rubber bellows and gasket. Include water slinger on shaft between motor and seal.

2.4 DOMESTIC WATER PRESSURE BOOSTER SYSTEM

A. General: Provide a factory prefabricated, prewired and pretested multi-stage pumping system including variable speed drive motors, pressure regulating valves with integral check valves, pressure transducers, vibration pads, emergency switches, duplex flow switches, power and control panels, suction and discharge manifolds, butterfly isolation valves, ball drain valves, bypass loops with appropriate valves and check valves, low pressure cut-off switches, hydropneumatic tanks and accessories. All components shall be furnished by a single manufacturer and the system shall be the standard cataloged product of the manufacturer. All components shall be factory installed on a common structural steel skid and shall be completely tested in the factory before shipment. Manufacturer shall assume “unit responsibility” to ensure that all components effectively interface to execute the operation of the designed system.

B. System Operation and Configuration:

1. System shall automatically maintain constant system pressure as scheduled on drawings at the outlet of the pressure control valve and hydropneumatic tank check valve at all times. Suction pressure varies as noted on drawings. The multi-stage pumping system shall include the scheduled quantity of pumps.

2. Duplex pump systems shall include both pumps sized per schedules on drawings.

3. Triplex pump systems shall include a lead pump sized per schedules on drawings.

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C. Centrifugal Pump: Pumps shall be single stage, in-line pump with variable speed drive motor, low pressure cut-off switches and bypass loops with ball, gate, and check valves as indicated on the Contract

Drawings.

1. Impellers: ASTM B584 Cast bronze, radially or vertically split keyed to shaft and secured by a locking cap-screw. Each impeller shall be statically and dynamically balanced prior to assembly in pump casing. Provide replaceable bronze casing wear rings.

2. Pump shaft: Steel, with replaceable bronze shaft sleeve completely covering the wetted area of the shaft under the seal.

3. Lubrication: Water lubricated type pump.

4. Pump Casing: ASTM A48/A48M CL20 Cast iron suitable for 1200 kPa (175 psig). Pump volute shall be supplied with vent and drain tappings.

Connections shall be female NPT. The casing shall be O-ring sealed to the seal housing.

5. Seal: Mechanical general purpose type, with sleeve mounting. Seal shall be rated at 1200 kPa (175 psig) maximum.

6. Adjustable Spacer Coupling: Removable type required so that pump seal can be replaced without disturbing motor.

7. Motor: Solid shaft motors balanced to 0.22 mm (0.0085 inch) vibration amplitude shall be operated at any point on the pump head curve without overloading the motor. Conform to NEMA Type 2.

D. Vertical Multistage Pump: Pumps shall be vertical multistage short-coupled pumps with variable speed drive motor, low pressure cut-off switches and bypass loops with ball, butterfly, check valves as indicated on the Contract Drawings.

1. Impellers: Cast bronze, mixed flow enclosed type.

2. Balancing of Impellers: Each impeller shall be statically and dynamically balanced prior to assembly in pump casing.

3. Pump shaft: Stainless steel Type 416.

4. Lubrication: Water lubricated type pump.

5. Pump Bowls: Cast Iron, stainless steel or bronze flanged and bolted.

6. Pump Bearings: Bronze, radial type.

7. Pump Head: Fabricated steel with continuous bypass for low seal pressure. Cast iron heads are prohibited. Pump head shall be lined same as pump barrel.

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8. Seal: Mechanical general purpose type, with sleeve mounting. Seal shall be rated at 1200 kPa (175 psig) maximum.

9. Adjustable Spacer Coupling: Removable type required so that pump seal can be replaced without disturbing motor.

10. Motor: Solid shaft motors balanced to 0.22 mm (0.0085 inch) vibration amplitude shall be operated at any point on the pump head curve without overloading the motor. Conform to NEMA Type 2.

11. Pump Barrel: Schedule 40 steel pipe with two-coat "baked" internal lining to meet the potable water requirements of U.S. Food and Drug

Administration. Bio-based materials shall be utilized when possible.

Unlined pump barrels are prohibited. Provide drain tapping.

E. Pressure Regulating Valves: System pressure shall be maintained by pilot-operated, diaphragm type pressure regulating valves, rated at

2070 kPa (300 psig) minimum, one for each pump. Valves shall be piloted to control system pressure and to cause the valve to act as a non-slam check valve. Pilot shall be rated at 1200 kPa (175 psig) minimum.

F. Hydropneumatic Tank: Bladder type, hydropneumatic, designed and constructed in accordance with requirements of the ASME Pressure Vessel

Code and stamped with appropriate symbol. Tank shall include pre-pressurized, sealed-in air cushion which shall accommodate pressure increases and expanded water volumes in the tank. Tank shall include butyl rubber or poly-propylene liner in lower, or water side of chamber. Minimum working pressure of tank shall be 1200 kPa (175 psig).

Unit shall be designed and manufactured for domestic water applications. Insulate tank as specified. Check valve at hydropneumatic tank shall include small orifice for undue loading.

G. Power and Control Panel: Class "A" shadow box double NEMA 1 enclosure, UL labeled, bonderized double prime coated with baked enamel finish:

1. Fused disconnect switches with external operating handles.

2. Magnetic contactor for each motor with HOA switch.

3. Door interlock.

4. Thermal overload protection relay for each motor, three leg type.

5. Running light for each motor.

6. Power light for each motor.

7. Control transformer, switch, circuit breaker, light.

8. Lead pump failure protection.

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H. Motor and Starter: Maximum 40 degrees C (104 degrees F) ambient temperature rise, drip-proof type motor, ball bearings, voltage and phase as shown in schedule on Electrical drawings, conforming to NEMA

Type 4. Motor shall be of such capacity that brake horsepower required by driven equipment at normal rated capacity will not exceed nameplate rating of the motor. Refer to Section 22 05 12, GENERAL MOTOR

REQUIREMENTS FOR PLUMBING EQUIPMENT. Provide each motor with automatic, fully enclosed, magnetic starter of type specified in Section 26 29 11, MOTOR CONTROLLERS.

I. Instrumentation: All instrumentation shall be factory installed and shall include the following 115 mm (4-1/2 inch) dial gages with shut-off cock.

1. Pump pressure gage for each pump.

2. System pressure gage.

3. Suction pressure gage.

J. Operating and Emergency Controls:

1. The pump station shall receive a 4-20mA signal from each pressure transducer, as provided by the pumping station manufacturer. A pressure transducer signal shall be provided for each pump controller. The differential pressure transducers shall monitor system discharge pressure versus suction line pressure and provide an analog signal 4-20mA to the pump control software, and allow the variable speed pump controller, to provide a variable Volts/Hz output to the motor. Once the pressure drops below the set system pressure, the pump shall start and provide system pressure (as determined by the station operator or program), if this pressure cannot be maintained by one pump, the next pump in sequence shall operate in a lead/lag capacity to provide the extra flow and pressure automatically without the use of additional panels or alternators. The sequence of the pumps shall be field adjustable, and completely automatic without additional panels or alternator controls. The variable speed pump controller shall be completely integrated with the VFD. Special type motors shall not be allowed.

Refer to Section 22 05 12, GENERAL MOTOR REQUIREMENTS FOR PLUMBING

EQUIPMENT. Pump assignments shall alternate as described below. All program settings shall be based on centrifugal pump language and centrifugal pumps. Program settings shall be field adjustable to

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22 11 23 - 12 provide onsite adjustments. When the system experiences low demand, the variable speed pump controllers shall reduce the speed of each pump, until demand has stopped. Pump controllers shall stop each pump at zero demand, without the use of external switches or controls.

2. The pumping system includes multiple pumps as indicated above. In two-pump systems, the first (lead) pump operates initially, and the second pump serves as a lag pump capable of operating concurrently with the lead pump to add capacity when needed. The second pump also acts as a stand-by pump at lower demands, ready for operation if the lead pump is taken out of service. In three-pump systems, the lead pump, lag pump, and stand-by pump normally satisfy demand in three stages. The first (lead) pump operates initially, until the water demand exceeds the lead pump’s capacity. The second (lag) pump starts and the lead pump stops, allowing the lag pump to operate until the water demand exceeds the lag pump’s capacity. At this point, the lead pump restarts, and operates concurrently with the lag pump to add capacity when needed. The third pump is a stand-by pump, ready for operation if the lead or lag pump is taken out of service and the system demand requires two pumps. The system is to be configured so that at least two pumps can be in service if any one pump is taken out of service. Pump assignments shall alternate to automatically equalize the run time in similarly sized pumps, which excludes uniquely-sized lead pumps.

3. The pump logic controller shall provide the following standard user-selectable features:

a. Low Suction Pressure Alarm and Cut Out

b. High Suction Pressure Alarm and Cut Out

c. Low System Pressure Alarm

d. High System Pressure Alarm and Cut Out

e. High Temperature Alarm and Cut Out

f. Low Level Alarm and Cut Out

g. No-Flow Shut Down

h. Audible/Visible alarm with push to silence feature

i. Overload Failure Alarm

j. Pump Failure Alarm

k. Pump operating order assignments

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l. Minimum run timers to prevent short cycle operation.

4. Provide auxiliary contacts for remote communication with the BAS, including the following input/output points:

a. Domestic water supply pressure (analog input to BAS)

b. Alarm condition activated (binary input to BAS)

c. Run status of lead pump (binary input to BAS)

d. Run status of lag pump (binary input to BAS)

e. Run status of stand-by pump (binary input to BAS)

K. Factory Test: The booster system and its component parts shall undergo a complete operation flow test from zero to 100 percent design flow rate under the specified suction and net system pressure conditions.

The system certification shall include copies of the test and test data as performed in the factory prior to shipment. Performance test certifications should be placed inside the system control panel and two extra copies shall be provided to the COR with the installation manual.

PART 3 - EXECUTION

3.1 STARTUP AND TESTING

A. Make tests as recommended by product manufacturer and listed standards and under actual or simulated operating conditions and prove full compliance with design and specified requirements. Tests of the various items of equipment shall be performed simultaneously with the system of which each item is an integral part.

B. System Test: After installation is completed provide an operational test of the completed system including flow rates, pressure compliance, alarms and all control functions.

C. When any defects are detected, correct defects and repeat test at no additional cost or time to the Government.

D. The CxA will observe startup and contractor testing of selected equipment. Coordinate the startup and contractor testing schedules with the COR and CxA. Contractor shall provide a minimum of 10 working days prior to startup and testing.

3.2 COMMISSIONING

A. Provide commissioning documentation in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS.

B. Components provided under this section of the specification will be tested as part of a larger system.

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3.3 DEMONSTRATION AND TRAINING

A. Provide services of manufacturer’s technical representative for four hours to instruct VA Personnel in operation and maintenance of the system.

B. Submit training plans and instructor qualifications in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING

SYSTEMS.

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SECTION 22 13 00

FACILITY SANITARY AND VENT PIPING

A. This section pertains to sanitary sewer and vent systems, including piping, equipment and all necessary accessories as designated in this section.

B. A complete listing of common acronyms and abbreviations are included in

Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

1.2 RELATED WORK

A. Section 01 00 00, GENERAL REQUIREMENTS.

B. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

C. Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS.

D. Section 01 91 00, GENERAL COMMISSIONING REQUIREMENTS.

E. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL

COMPONENTS: Seismic Restraint.

F. Section 07 84 00, FIRESTOPPING: Penetrations in rated enclosures.

G. Section 07 92 00, JOINT SEALANTS: Sealant products.

H. Section 09 91 00, PAINTING: Preparation and finish painting and identification of piping systems.

I. Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING: Pipe Hangers and

Supports, Materials Identification.

J. Section 22 07 11, PLUMBING INSULATION.

K. Section 22 08 00, COMMISSIONING OF PLUMBING SYSTEMS

L. Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

M. Section 26 05 33, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS

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1.3 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. Where conflicts occur these specifications and the VHA standard will govern.

B. American Society of Mechanical Engineers (ASME):

A13.1-2007..............Identification of Piping Systems

A112.36.2M-1991.........Cleanouts

A112.6.3-2019...........Floor and Trench Drains

B1.20.1-2013............Pipe Threads, General Purpose (Inch)

B16.1-2015..............Gray Iron Pipe Flanges and Flanged Fittings

Classes 25, 125, and 250

B16.4-2016..............Grey Iron Threaded Fittings Classes 125 and 250

B16.15-2018.............Cast Copper Alloy Threaded Fittings, Classes

125 and 250

B16.18-2018.............Cast Copper Alloy Solder Joint Pressure

Fittings

B16.21-2016.............Nonmetallic Flat Gaskets for Pipe Flanges

B16.22-2018.............Wrought Copper and Copper Alloy Solder-Joint

Pressure Fittings

B16.23-2016.............Cast Copper Alloy Solder Joint Drainage

Fittings: DWV

B16.24-2016.............Cast Copper Alloy Pipe Flanges and Flanged

Fittings, and Valves: Classes 150, 300, 600, 900, 1500, and 2500

B16.29-2017.............Wrought Copper and Wrought Copper Alloy Solder-

Joint Drainage Fittings: DWV

B16.39-2014.............Malleable Iron Threaded Pipe Unions Classes

150, 250, and 300

B18.2.1-2012............Square, Hex, Heavy Hex, and Askew Head Bolts and Hex, Heavy Hex, Hex Flange, Lobed Head, and

Lag Screws (Inch Series)

C. American Society of Sanitary Engineers (ASSE):

1001-2017...............Performance Requirements for Atmospheric Type

Vacuum Breakers

1018-2001...............Performance Requirements for Trap Seal Primer

Valves – Potable Water Supplied

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1044-2015...............Performance Requirements for Trap Seal Primer

Devices – Drainage Types and Electronic Design

Types

1079-2012...............Performance Requirements for Dielectric Pipe

Unions

D. American Society for Testing and Materials (ASTM):

A53/A53M-2018...........Standard Specification for Pipe, Steel, Black

And Hot-Dipped, Zinc-coated, Welded and

Seamless

A74-2017................Standard Specification for Cast Iron Soil Pipe and Fittings

A888-2018a..............Standard Specification for Hubless Cast Iron

Soil Pipe and Fittings for Sanitary and Storm

Drain, Waste, and Vent Piping Applications

B32-2008(R2014).........Standard Specification for Solder Metal

B43-2015................Standard Specification for Seamless Red Brass

Pipe, Standard Sizes

B88-2016................Standard Specification for Seamless Copper

Water Tube

B306-2013...............Standard Specification for Copper Drainage Tube

(DWV)

B687-1999(R2016)........Standard Specification for Brass, Copper, and

Chromium-Plated Pipe Nipples

B813-2016...............Standard Specification for Liquid and Paste

Fluxes for Soldering of Copper and Copper Alloy

Tube

B828-2016...............Standard Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings

C564-2014...............Standard Specification for Rubber Gaskets for

Cast Iron Soil Pipe and Fittings

D2321-2018..............Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other

Gravity-Flow Applications

D2564-2012(R3018).......Standard Specification for Solvent Cements for

Poly(Vinyl Chloride) (PVC) Plastic Piping

Systems

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D2665-2014..............Standard Specification for Poly(Vinyl Chloride)

(PVC) Plastic Drain, Waste, and Vent Pipe and

Fittings

D2855-2015..............Standard Practice for Two-Step (Primer and

Solvent Cement) Method of Joining Poly(Vinyl

Chloride) (PVC) or Chlorinated Poly (Vinyl

Chloride) CPVCP Pipe and Piping Components with

Tapered Sockets

D5926-2015..............Standard Specification for Poly(Vinyl Chloride)

(PVC) Gaskets for Drain, Waste, and Vent (DWV), Sewer, Sanitary, and Storm Plumbing Systems

F402-2018...............Standard Practice for Safe Handling of Solvent

Cements, Primers, and Cleaners Used for Joining

Thermoplastic Pipe and Fittings

F477-2014...............Standard Specification for Elastomeric Seals

(Gaskets) for Joining Plastic Pipe

F1545-2015e1............Standard Specification for Plastic-Lined

Ferrous Metal Pipe, Fittings, and Flanges

E. Cast Iron Soil Pipe Institute (CISPI):

2006....................Cast Iron Soil Pipe and Fittings Handbook

301-2012................Standard Specification for Hubless Cast Iron

Soil Pipe and Fittings for Sanitary and Storm

Drain, Waste, and Vent Piping Applications

310-2012................Specification for Coupling for Use in

Connection with Hubless Cast Iron Soil Pipe and

Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications

F. Copper Development Association, Inc. (CDA):

A4015-14/19.............Copper Tube Handbook

G. International Code Council (ICC):

IPC-2018................International Plumbing Code

H. Manufacturers Standardization Society (MSS):

SP-123-2018.............Non-Ferrous Threaded and Solder-Joint Unions for Use with Copper Water Tube

I. National Fire Protection Association (NFPA):

70-2020.................National Electrical Code (NEC)

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J. Underwriters' Laboratories, Inc. (UL):

508-99 (R2013)..........Standard For Industrial Control Equipment

1.4 SUBMITTALS

A. Submittals, including number of required copies, shall be submitted in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and

SAMPLES.

B. Information and material submitted under this section shall be marked

“SUBMITTED UNDER SECTION 22 13 00, FACILITY SANITARY AND VENT PIPING”,

with applicable paragraph identification.

C. Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity.

1. Piping.

2. Floor Drains.

3. Grease Removal Unit.

4. Cleanouts.

5. Trap Seal Protection.

6. Penetration Sleeves.

7. Pipe Fittings.

8. Traps.

9. Exposed Piping and Fittings.

D. Detailed shop drawing of clamping device and extensions when required in connection with the waterproofing membrane or the floor drain.

E. Complete operating and maintenance manuals including wiring diagrams, technical data sheets, information for ordering replaceable parts, and troubleshooting guide:

1. Include complete list indicating all components of the systems.

2. Include complete diagrams of the internal wiring for each item of equipment.

3. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance.

F. Completed System Readiness Checklist provided by the CXA and completed by the Contractor, signed by a qualified technician and dated on the date of completion, in accordance with the requirements of Section 22

08 00, COMMISSIONING OF PLUMBING SYSTEMS.

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G. Submit training plans and instructor qualifications in accordance with the requirements of Section 22 08 00, COMMISSIONING OF PLUMBING

SYSTEMS.

1.5 QUALITY ASSURANCE

A. Bio-Based Materials: For products designated by the USDA’s bio-based

Bio-Preferred Program, provide products that meet or exceed USDA recommendations for bio-based content, so long as products meet all performance requirements in this specifications section. For more information regarding the product categories covered by the

Bio-Preferred Program, visit http://www.biopreferred.gov.

B. Refer to Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for additional sustainable design requirements.

1.6 AS-BUILT DOCUMENTATION

A. Comply with requirements in Paragraph “AS-BUILT DOCUMENTATION” of

Section 22 05 11, COMMON WORK RESULTS FOR PLUMBING.

PART 2 - PRODUCTS

2.1 SANITARY WASTE, DRAIN, AND VENT PIPING

A. Cast iron waste, drain, and vent pipe and fittings.

1. Cast iron waste, drain, and vent pipe and fittings shall be used for the following applications:

a. Pipe buried in or in contact with earth.

b. Sanitary pipe extensions to a distance of approximately 1500 mm

(5 feet) outside of the building.

c. Interior waste and vent piping above grade.

2. Cast iron Pipe shall be bell and spigot or hubless (plain end or no-hub or hubless).

3. The material for all pipe and fittings shall be cast iron soil pipe and fittings and shall conform to the requirements of CISPI 301, ASTM A888, or ASTM A74.

4. Cast iron pipe and fittings shall be made from a minimum of 95 percent post-consumer recycled material.

5. Joints for hubless pipe and fittings shall conform to the manufacturer’s installation instructions. Couplings for hubless joints shall conform to CISPI 310. Joints for hub and spigot pipe shall be installed with compression gaskets conforming to the requirements of ASTM C564.

http://www.biopreferred.gov/

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B. Copper Tube, (DWV):

1. Copper DWV tube sanitary waste, drain and vent pipe may be used for piping above ground, except for urinal drains.

2. The copper DWV tube shall be drainage type, drawn temper conforming to ASTM B306.

3. The copper drainage fittings shall be cast copper or wrought copper conforming to ASME B16.23 or ASME B16.29.

4. The joints shall be lead free, using a water flushable flux, and conforming to ASTM B32.

C. Polyvinyl Chloride (PVC)

1. Polyvinyl chloride (PVC) pipe and fittings are permitted where the waste temperature is less than 60 degrees C (140 degrees F).

2. PVC piping and fittings shall NOT be used for the following applications:

a. Waste collected from steam condensate drains.

b. Spaces such as mechanical equipment rooms, kitchens, Sterile

Processing Services, sterilizer areas, and areas designated for sleep.

c. Vertical waste and soil stacks serving more than two floors.

d. Exposed in mechanical equipment rooms.

e. Exposed inside of ceiling return plenums.

3. Polyvinyl chloride sanitary waste, drain, and vent pipe and fittings shall be solid core sewer piping conforming to ASTM D2665, sewer and drain series with ends for solvent cemented joints.

4. Fittings: PVC fittings shall be solvent welded socket type using solvent cement conforming to ASTM D2564.

2.2 PUMP DISCHARGE PIPING

A. Galvanized steel pump discharge pipe and fittings:

1. Galvanized steel pipe shall be Schedule 40 weight class conforming to ASTM A53/A53M, with square cut grooved or threaded ends to match joining method.

2. Fittings shall be Class 125, gray-iron threaded fittings conforming to ASME B16.4.

3. Unions shall be Class 150 hexagonal-stock body with ball and socket, metal to metal, bronze seating surface, malleable iron conforming to

ASME B16.39 with female threaded ends.

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4. Flanges shall be Class 125 cast iron conforming to ASME B16.1.

a. Flange gaskets shall be full face, flat nonmetallic, asbestos free conforming to ASME B16.21.

b. Flange nuts and bolts shall be carbon steel conforming to ASME

B18.2.1.

B. Copper pump discharge pipe and fittings:

1. Copper tube shall be hard drawn Type L conforming to ASTM B88.

2. Fittings shall be wrought copper conforming to ASME B16.22 with solder joint ends.

3. Unions shall be copper alloy, hexagonal stock body with ball and socket, metal to metal seating surface conforming to MSS SP-123 with female solder-joint.

4. Flanges shall be Class 150, cast copper conforming to ASME B16.24 with solder-joint end.

a. Flange gaskets shall be full face, flat nonmetallic, asbestos free conforming to ASME B16.21.

b. Flange nuts and bolts shall be carbon steel conforming to ASME

B18.2.1.

5. Solder shall be lead free, water flushable flux conforming to ASTM

B32 and ASTM B813.

2.3 EXPOSED WASTE PIPING

A. Chrome plated brass piping of full iron pipe size shall be used in finished rooms for exposed waste piping connecting fixtures, casework, cabinets, equipment and reagent racks when not concealed by apron including those furnished by the Government or specified in other sections.

1. The Pipe shall meet ASTM B43, regular weight.

2. The Fittings shall conform to ASTM D2665.

3. Nipples shall conform to ASTM B687, Chromium-plated.

4. Unions shall be brass or bronze with chrome finish. Unions 65 mm

(2-1/2 inches) and larger shall be flange type with approved gaskets.

B. In unfinished Rooms such as mechanical Rooms and Kitchens, Chrome-plated brass piping is not required. The pipe materials specified under the paragraph “Sanitary Waste, Drain, and Vent Piping” can be used. The sanitary pipe in unfinished rooms shall be painted as specified in Section 09 91 00, PAINTING.

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2.4 SPECIALTY PIPE FITTINGS

A. Transition pipe couplings shall join piping with small differences in outside diameters or different materials. End connections shall be of the same size and compatible with the pipes being joined. The transition coupling shall be elastomeric, sleeve type reducing or transition pattern and include shear and corrosion resistant metal, tension band and tightening mechanism on each end. The transition coupling sleeve coupling shall be of the following material:

1. For cast iron soil pipes, the sleeve material shall be rubber conforming to ASTM C564.

2. For PVC soil pipes, the sleeve material shall be elastomeric seal or

PVC, conforming to ASTM F477 or ASTM D5926.

3. For dissimilar pipes, the sleeve material shall be PVC conforming to

ASTM D5926, or other material compatible with the pipe materials being joined.

B. The dielectric fittings shall conform to ASSE 1079 with a pressure rating of 861 kPa (125 psig) at a minimum temperature of 82 degrees C

(180 degrees F). The end connection shall be solder joint copper alloy and threaded ferrous.

C. Dielectric flange insulating kits shall be of non-conducting materials for field assembly of companion flanges with a pressure rating of 1035 kPa (150 psig). The gasket shall be neoprene or phenolic. The bolt sleeves shall be phenolic or polyethylene. The washers shall be phenolic with steel backing washers.

D. The di-electric…