W912QR24R0034_KC-46A_Specs-0007.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

Solicitation W912QR24R0034 for the Construction of a KC-46 Two-Bay Maintenance/Fuel Cell Hangar at March ARB, CA is hereby modif ied as follows:

1. The PRICE BREAKOUT SCHEDULE has been replaced in its entirety:

2. The following SPECIFICATION SECTIONS have been revised and replaced in their entirety:

KC-46A Two Bay Hangar P2- 505421/ P2#509757: Mooring Points & Restriping

22 00 00 PLUMBING, GENERAL PURPOSE

3. All other terms and conditions remain unchanged.

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

1. CONTRACT ID CODE PAGE OF PAGES

1 9

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912QR24R0034

X 9B. DATED (SEE ITEM 11)

04-Sep-2024

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO.

5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

24-Apr-2025

CODE

U. S. ARMY ENGINEER DISTRICT, LOUISVILLE

600 DR. MARTIN LUTHER KING, JR. PLACE

ROOM 821

LOUISVILLE KY 40202-2239

W912QR 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912QR24R0034_KC-46A_Specs-0007

W912QR24R0034

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00 10 00 - SOLICITATION

The following have been modified:

PRICE BREAKOUT SCHEDULE

PRICE BREAKOUT SCHEDULE

Amendment 0007

Project:

KC-46A Two-Bay Maintenance Hangar (PN PDPG 221012) KC-46A Fuselage Trainer (PN PDPG 221014) KC-46A Mooring Points & Restriping (PN PDPG 221021)

Location: March Air Reserve Base, California

Proposer's Name:

Item No. Description Quantity Unit Unit Price Amount

BASE PROPOSAL

0001 Primary Facility – KC-

46A Two-Bay Maintenance Hangar

1 Job N/A $

0002 Primary Facility – KC-

46A Fuselage Trainer

0003 CMU Wall Crack Repair

– Fuselage Trainer

240 LF $ $

0004 Sitework – KC-46A

Two-Bay Maintenance Hangar

0005 Sitework – KC-46A

Fuselage Trainer

0006 B1246 Demolition 1 Job N/A $

0007 Western Municipal Water

District - Water Inspection Fee

1 Job N/A $ 91,965.00

0008 Western Municipal Water

District – Sewer Inspection Fee

1 Job N/A $ 70,965.00

0009 Contaminated Soil

Removal and Disposal

50 CY $ $

0010 Contaminated Water

Removal 30 Days $ $

TOTAL BASE PROPOSAL $

Item No. Description Quantity Unit Unit Price Amount

0011A

OPTIONS

Option A – 5 Coat Floor Finish for Hangar Bays

Job

N/A

0011B Option B – Shake-on

Floor Hardener for Hangar Bays

0012 Option C – One 400 Hz

Convertor

0013 Option D – One 400 Hz Convertor

0014 Option E – Breathing Compressor, Purifier, Receiver Tank

0015 Option F – Flooded

Screw Air Compressor

0016 Option G – Reciprocating Air Compressor, Dryer, Receiver Tank

0017 Option H – Aircraft Fall

Protection System

0018 Option I – Aircraft Wash System

0019 Option J – Painting of Structural Building Steel

0020 Option K – Furnishings -

0021 Option L – Furnishings –

0022 Option M – Bird Netting

- Two-Bay Maintenance

0023 Option N – Bird Netting for Canopy Structure –

1 Job $ $

0024 Option O – Exterior

Insulated Metal Panel –

1 Job $ $

Item No. Description Quantity Unit Unit Price Amount

Option P – Generator -

Job

N/A

0026 Option Q - Contaminated

Soil Removal and Disposal

50 CY $ $

0027 Option R – Contaminated Water Removal

30 Days $ $

0028 Option S - Airfield

Striping and Mooring Points

TOTAL OPTIONS $

TOTAL BASE PROPOSAL AND ALL

OPTIONS

Description of Base Bid Proposal Items

a) Item No. 0001 "Primary Facility – KC-46A Hangar" includes all Base Proposal work required within a line five feet outside of the new KC-46A Hangar.

b) Item No. 0002 "Primary Facility – KC-46A Fuselage Trainer" includes all Base Proposal work required within a line five feet outside of the new KC-46A Fuselage Trainer.

c) Item No. 0003 " CMU Wall Crack Repair – Fuselage Trainer" includes all Base Proposal work required for repair of cracks within the existing CMU Wall. Cracks are to be cleaned and sealed with epoxy resin per manufactures recommendations for an existing wall.

d) Item No. 0004 "Sitework - KC-46A Hangar " includes all Base Proposal work required for demolition (exclusive of that work covered under Item No. 0006 B1246 Demolition), site clearing, grading and drainage, utilities, paving, landscaping, permits, and other construction work required beyond a line five feet outside of the new KC-46A Hangar.

e) Item No. 0005 "Sitework - KC-46A Fuselage Trainer " includes all Base Proposal work required for demolition (exclusive of that work covered under Item No. 0006 B1246 Demolition), site clearing, grading and drainage, utilities, paving, landscaping, permits, and other construction work required beyond a line five feet outside of the new KC-46A Hangar.

f) Item No. 0006 "B1246 Demolition" includes all Base Proposal work associated with the demolition and removal of the existing hangar (Building 1246), to include all work required for removal of the complete building and foundations systems.

g) Item No. 0007 " Western Municipal Water District - Water Inspection Fee " includes the inspection fee required to be paid to Western Municipal District during construction.

h) Item No. 0008 " Western Municipal Sewer District - Water Inspection Fee " includes the inspection fee required to be paid to Western Municipal District during construction.

i) Item No. 0009 “Contaminated Soil Removal and Disposal” includes the work shall include removal and disposal of contaminated soil associated with construction on this project. Costs for this item shall include excavation, laboratory analytical testing, characterization, manifesting, confirmation sampling, containerization, transportation, and off-site disposal. Cost should also be included if Contractor determined additional fill is required to replace the off-site disposal amount. For estimating purposes any waste encountered would be classified as industrial waste and not Hazardous waste.

j) Item No. 0010 “Contaminated Water Removal” includes all work, materials, and labor required to remove contaminated groundwater from site. This includes the required equipment for dewatering and treating the ground water as described within the drawings and specifications. Quantity is estimated and is subject to the requirements of FAR 51.211-18 Variation in Estimated Quantity. Variations in the actual quantities encountered will be the subject of a contract modification as provided in Clause 52.211-18 Variation in Estimated Quantities.

Description of Option Bid Items

k) Item No. 0011A “Option A – 5 Coat Floor Finish for Hangar Bays” includes all additional work required to provide and install the 5-coat floor coating system for both Hangar Bays, in lieu of the sealed concrete pavement and other items included in the Base Proposal. See drawings and specifications for further definition.

NOTE: This option cannot be awarded if “Option B – Shake-on Floor Hardener for both Hangar Bays” is awarded.

***This option may be exercised within 180 days after Administrative Notice-To-Proceed (NTP) is issued and does not extend the period of performance.

l) Item No. 0011B “Option B – Shake-on Floor Hardener for Hangar Bays” includes all additional work required to provide and install the shake on floor hardener system for both Hangar Bays, in lieu of the sealed concrete pavement and other items included in the Base Proposal. See drawings and specifications for further definition.

NOTE: This option cannot be awarded if “Option A – 5 Coat Floor Finish for both Hangar Bays” is awarded.

*** This option may be exercised within 180 days after Administrative Notice-To-Proceed (NTP) is issued and does not extend the period of performance.

m) Item No. 0012 “Option C – One 400 Hz Convertor” includes all work required to provide and install of one 400Hz Convertor and 400Hz Cable Assembly. All 480V/60Hz electrical distribution to the convertor shall be included in the Base Proposal.

*** This option may be exercised within 270 days after Administrative Notice-To-Proceed (NTP) is issued and

n) Item No. 0013 “Option D – One 400 Hz Convertor” includes all work required to provide and install of one 400Hz Convertor and 400Hz Cable Assembly. All 480V/60Hz electrical distribution to the convertor shall be included in the Base Proposal.

*** This option may be exercised within 270 days after Administrative Notice-To-Proceed (NTP) is issued and

o) Item No. 0014 “Option E – Breathing Compressor, Purifier, Receiver Tank” includes all work required to provide and install of the breathing air compressor (AC-103), breathing air receiver tank (AR-102), and breathing air purifier (PUR-101). All breathing air distribution piping and accessories downstream of the purifier shall be included in the Base Proposal.

*** This option may be exercised within 540 days after Administrative Notice-To-Proceed (NTP) is issued and

p) Item No. 0015 “Option F – Flooded Screw Air Compressor” includes all work required to provide and install the oil flooded screw air compressor (AC-101), as shown in the schedule. All compressed air distribution piping downstream shall be included in the Base Proposal. The Base Proposal includes all compressed air distribution piping downstream as shown on the drawings.

*** This option may be exercised within 540 days after Notice-To-Proceed (NTP) is issued and does not extend the period of performance.

q) Item No. 0016 “Option G – Reciprocating Air Compressor, Dryer, Receiver Tank” includes all work required to provide and install of the reciprocating air compressor (AC-102), thermal mass compressed air dryer (RAD-

101), and compressed air receiver tank (AR-101). The Base Proposal includes all compressed air distribution piping and accessories downstream of the compressed air dryer.

*** This option may be exercised within 540 days after Administrative Notice-To-Proceed (NTP) is issued and

r) Item No. 0017 “Option H – Aircraft Fall Protection System” includes all work required to provide and install an aircraft fall protection system (including fall protection track, self-retracting lanyards, harnesses, and miscellaneous bracing/supports for the fall protection track) in both bays of the new KC-46A Hangar. See drawings and specifications for further definition.

*** This option may be exercised within 540 days after Administrative Notice-To-Proceed (NTP) is issued

s) Item No. 0018 “Option I – Aircraft Wash System” includes all work required to provide and installation of the aircraft wash booster pump. See drawings and specifications for further definition.

*** This option may be exercised within 540 days after Administrative Notice-To-Proceed (NTP) is issued

t) Item No. 0019 “Option J – Painting of Structural Building Steel” includes all work and materials required to paint all exposed steel within both bays of the new KC-46A Hangar. See specifications for further information.

*** This option may be exercised within 30 days after Administrative Notice-To-Proceed (NTP) is issued and

u) Item No. 0020 “Option K – Furnishings – Two-Bay Maintenance Hangar” includes all work required to provide and installation of the furnishings for the facility. See drawings and specifications for further definition.

*** This option may be exercised within 540 days after Administrative Notice-To-Proceed (NTP) is issued

v) Item No. 0021 “Option L – Furnishings – Fuselage Trainer” includes all work required to provide and installation of the furnishings for the facility. See drawings and specifications for further definition.

*** This option may be exercised within 540 days after Administrative Notice-To-Proceed (NTP) is issued and

w) Item No. 0022 “Option M – Bird Netting – Two-Bay Maintenance Hangar” includes all work, materials, and labor required to install bird netting in the hangar bays. See drawings and specifications for further definition.

*** This option may be exercised within 90 days after Administrative Notice-To-Proceed (NTP) is issued and

x) Item No. 0023 “Option N – Bird Netting for Canopy Structure – Fuselage Trainer” includes all work, materials, and labor required to install bird netting in the hangar bays. See drawings and specifications for further definition.

*** This option may be exercised within 90 days after Administrative Notice-To-Proceed (NTP) is issued.

y) Item No. 0024 “Option O – Exterior Insulated Metal Panels – Fuselage Trainer” includes all work required to demolish existing metal siding, provide and installation of the insulated metal panels for the facility. See drawings and specifications for further definition.

*** This option may be exercised within 90 days after Administrative Notice-To-Proceed (NTP) is issued.

z) Item No. 0025 “Option P – Generator – Two-Bay Maintenance Hangar” includes all work required to purchase and install the Generator as noted on ES101. The generator will be O&M Funded. See drawings and specifications for further definition.

*** This Option will be awarded at the time of Administrative Notice-To-Proceed (NTP) is issued and does not extend the period of performance.

aa) Item No. 0026 “Option Q – Contaminated Soil Removal and Disposal” includes the work shall include removal and disposal of contaminated soil associated with construction on this project. Costs for this item shall include excavation, laboratory analytical testing, characterization, manifesting, confirmation sampling, containerization, transportation, and off-site disposal. Cost should also be included if Contractor determined additional fill is required to replace the off-site disposal amount. For estimating purposes any waste encountered would be classified as industrial waste and not Hazardous waste.

*** This option may be exercised within 360 days after Administrative Notice-To-Proceed (NTP) is issued and

bb) Item No. 0027 “Option R – Contaminated Water Removal” includes all work, materials, and labor required to remove contaminated groundwater from site. This includes the required equipment for dewatering and treating the ground water as described within the drawings and specifications. Quantity is estimated and is subject to the requirements of FAR 51.211-18 Variation in Estimated Quantity. Variations in the actual quantities encountered will be the subject of a contract modification as provided in Clause 52.211-18 Variation in Estimated Quantities.

***This option may be exercised within 365 calendar days after issuance of the Administrative Notice to Proceed and does not extend the period of performance.

AMENDMENT #007**************************************************************************

cc) Item No. 0028 " Option S – Airfield Restriping and Mooring Points” includes all work, materials, and labor required for restriping and installation of mooring points in the existing apron. This work is as described on drawings CD103, CD104, CD105, CD106, CD108, CS103, CS104, CS105, CS106, and CS108.

*** This option may be exercised within 90 days after Administrative Notice-To-Proceed (NTP) is issued and

**************************************************************************AMENDMENT #007

- END OF PRICE BREAKOUT SCHEDULE -

(End of Summary of Changes)

P2#505421:2-Bay Hangar/P2#509757:Mooring Points&Restriping March Air Base, CA

SECTION 22 00 00

PLUMBING, GENERAL PURPOSE

11/15, CHG 4: 05/21

Amendment 0007

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 within the text by the basic designation only.

AIR-CONDITIONING, HEATING AND REFRIGERATION INSTITUTE (AHRI)

AHRI 1010 (2002) Self-Contained, Mechanically Refrigerated Drinking-Water Coolers

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI Z21.10.1/CSA 4.1 (2019) Gas Water Heaters Vol. I, Storage Water Heaters with Input Ratings of 75,000 Btu Per Hour or Less

ANSI Z21.10.3/CSA 4.3 (2019) Gas-Fired Water Heaters Vol.III, Storage Water Heaters With Input Ratings Above 75,000 Btu Per Hour, Circulating and Instantaneous

ANSI Z21.22/CSA 4.4 (2015; R 2020) Relief Valves for Hot Water Supply Systems

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING

ENGINEERS (ASHRAE)

ASHRAE 90.1 - IP (2013) Energy Standard for Buildings Except Low-Rise Residential Buildings

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME A112.1.2 (2012; R 2017; R 2022) Air Gaps in Plumbing Systems (For Plumbing Fixtures and Water-Connected Receptors)

ASME A112.6.1M (1997; R 2017) Floor Affixed Supports for Off-the-Floor Plumbing Fixtures for Public Use

ASME A112.6.3 (2019) Standard for Floor and Trench Drains

ASME A112.18.1 (2018) Plumbing Supply Fittings

ASME A112.18.1/CSA B125.1 (2018) Plumbing Supply Fittings

ASME A112.19.2/CSA B45.1 (2018; ERTA 2018) Standard for Vitreous China Plumbing Fixtures and Hydraulic Requirements for Water Closets and Urinals

SECTION 22 00 00 Page 1 Amendment 0007 - Certified Final

ASME A112.19.3/CSA B45.4 (2017; Errata 2017) Stainless Steel Plumbing Fixtures

ASME A112.19.5 (2017) Flush Valves and Spuds for Water Closets, Urinals, and Tanks

ASME A112.36.2M (1991; R 2017) Cleanouts

ASME B1.20.1 (2013; R 2018) Pipe Threads, General Purpose (Inch)

ASME B16.3 (2021) Malleable Iron Threaded Fittings, Classes 150 and 300

ASME B16.4 (2021) Gray Iron Threaded Fittings;

Classes 125 and 250

ASME B16.5 (2020) Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch Standard

ASME B16.12 (2019) Cast Iron Threaded Drainage Fittings

ASME B16.15 (2018) Cast Copper Alloy Threaded Fittings Classes 125 and 250

ASME B16.18 (2021) Cast Copper Alloy Solder Joint Pressure Fittings

ASME B16.21 (2021) Nonmetallic Flat Gaskets for Pipe Flanges

ASME B16.22 (2021) Wrought Copper and Copper Alloy Solder Joint Pressure Fittings

ASME B16.23 (2021) Cast Copper Alloy Solder Joint Drainage Fittings - DWV

ASME B16.24 (2022) Cast Copper Alloy Pipe Flanges, Flanged Fittings, and Valves Classes 150, 300, 600, 900, 1500, and 2500

ASME B16.29 (2017) Wrought Copper and Wrought Copper Alloy Solder-Joint Drainage Fittings - DWV

ASME B16.34 (2021) Valves - Flanged, Threaded and Welding End

ASME B16.50 (2021) Wrought Copper and Copper Alloy Braze-Joint Pressure Fittings

ASME B31.1 (2020) Power Piping

ASME B31.5 (2020) Refrigeration Piping and Heat Transfer Components

ASME B40.100 (2013) Pressure Gauges and Gauge Attachments

SECTION 22 00 00 Page 2

ASME BPVC SEC IV (2017) BPVC Section IV-Rules for Construction of Heating Boilers

ASME BPVC SEC IX (2017; Errata 2018) BPVC Section IX-Welding, Brazing and Fusing Qualifications

ASME CSD-1 (2021) Control and Safety Devices for Automatically Fired Boilers

AMERICAN SOCIETY OF SANITARY ENGINEERING (ASSE)

ASSE 1001 (2021) Performance Requirements for Atmospheric Type Vacuum Breakers

ASSE 1003 (2020) Performance Requirements for Water Pressure Reducing Valves for Domestic Water Distribution Systems - (ANSI approved 2010)

ASSE 1010 (2021) Performance Requirements for Water Hammer Arresters

ASSE 1011 (2017) Performance Requirements for Hose Connection Vacuum Breakers

ASSE 1012 (2021) Performance Requirements for Backflow Preventer with an Intermediate Atmospheric Vent

ASSE 1013 (2021) Performance Requirements for Reduced Pressure Principle Backflow Prevention Assemblies

ASSE 1018 (2001; R 2021) Performance Requirements for Trap Seal Primer Valves - Potable Water Supplied (ANSI Approved 2002

ASSE 1019 (2011; R 2016) Performance Requirements for Wall Hydrant with Backflow Protection and Freeze Resistance

ASSE 1020 (2020) Performance Requirements for Pressure Vacuum Breaker Assemblies

ASSE 1037 (2015; R 2020) Performance Requirements for Pressurized Flushing Devices for Plumbing Fixtures

ASSE 1070 (2015) Performance Requirements for Water Temperature Limiting Devices

ASSE 1071 (2012) Performance requirements for Temperature Actuated Mixing Valves for Plumbed Emergency Equipment

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA B300 (2018) Hypochlorites

SECTION 22 00 00 Page 3

AWWA B301 (2018) Liquid Chlorine

AWWA C606 (2015) Grooved and Shouldered Joints

AWWA C651 (2014) Standard for Disinfecting Water Mains

AWWA C652 (2019) Disinfection of Water-Storage Facilities

AWWA C700 (2020) Cold-Water Meters - Displacement Type, Metal Alloy Main Case

AWWA C701 (2019) Cold-Water Meters - Turbine Type for Customer Service

AWWA D100 (2021) Welded Steel Tanks for Water Storage

AMERICAN WELDING SOCIETY (AWS)

AWS A5.8/A5.8M (2019) Specification for Filler Metals for Brazing and Braze Welding

AWS B2.2/B2.2M (2016) Specification for Brazing Procedure and Performance Qualification

ASTM INTERNATIONAL (ASTM)

ASTM A53/A53M (2022) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A74 (2021) Standard Specification for Cast Iron Soil Pipe and Fittings

ASTM A105/A105M (2021) Standard Specification for Carbon Steel Forgings for Piping Applications

ASTM A193/A193M (2020) Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service and Other Special Purpose Applications

ASTM A515/A515M (2017) Standard Specification for Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service

ASTM A516/A516M (2017) Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate-and Lower-Temperature Service

ASTM A733 (2016) Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples

ASTM A888 (2021a) Standard Specification for Hubless Cast Iron Soil Pipe and Fittings for

SECTION 22 00 00 Page 4

Sanitary and Storm Drain, Waste, and Vent Piping Applications

ASTM B32 (2020) Standard Specification for Solder Metal

ASTM B42 (2020) Standard Specification for Seamless Copper Pipe, Standard Sizes

ASTM B88 (2020) Standard Specification for Seamless Copper Water Tube

ASTM B88M (2020) Standard Specification for Seamless Copper Water Tube (Metric)

ASTM B306 (2020) Standard Specification for Copper Drainage Tube (DWV)

ASTM B370 (2022) Standard Specification for Copper Sheet and Strip for Building Construction

ASTM B584 (2014; R 2022) Standard Specification for Copper Alloy Sand Castings for General Applications

ASTM B813 (2016) Standard Specification for Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube

Amendment 0007************************************************************

ASTM B819 (2019) Standard Specification for Seamless Copper Tube for Medical Gas Systems

************************************************************Amendment 0007

ASTM C564 (2020a) Standard Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings

ASTM C920 (2018) Standard Specification for Elastomeric Joint Sealants

ASTM D256 (2010; R 2018) Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics

ASTM D638 (2014) Standard Test Method for Tensile Properties of Plastics

ASTM D790 (2017) Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

ASTM D2564 (2020) Standard Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping Systems

ASTM D2583 (2013a) Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor

SECTION 22 00 00 Page 5

ASTM D2665 (2014) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings

ASTM D2855 (2015) Standard Practice for Making Solvent-Cemented Joints with Poly(Vinyl Chloride) (PVC) Pipe and Fittings

ASTM D3139 (2019) Joints for Plastic Pressure Pipes Using Flexible Elastomeric Seals

ASTM D3212 (2020) Standard Specification for Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric Seals

ASTM D3311 (2017) Standard Specification for Drain, Waste, and Vent (DWV) Plastic Fittings Patterns

ASTM E1 (2014) Standard Specification for ASTM Liquid-in-Glass Thermometers

ASTM E84 (2020) Standard Test Method for Surface Burning Characteristics of Building Materials

ASTM F477 (2014; R 2021) Standard Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe

ASTM F891 (2016) Standard Specification for Coextruded Poly (Vinyl Chloride) (PVC) Plastic Pipe with a Cellular Core

ASTM F1760 (2016; R 2020) Standard Specification for Coextruded Poly(Vinyl Chloride) (PVC) Non-Pressure Plastic Pipe Having Reprocessed-Recycled Content

ASTM G22-90 (1990) Standard Practice for Determining Resistance of Plastics to Bacteria

CAST IRON SOIL PIPE INSTITUTE (CISPI)

CISPI 301 (2018) Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications

CISPI 310 (2012) Coupling for Use in Connection with Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications

COPPER DEVELOPMENT ASSOCIATION (CDA)

CDA A4015 (2016; 14/17) Copper Tube Handbook

SECTION 22 00 00 Page 6

INTERNATIONAL CODE COUNCIL (ICC)

ICC A117.1 (2017) Standard And Commentary Accessible and Usable Buildings and Facilities

ICC IPC (2021) International Plumbing Code

INTERNATIONAL SAFETY EQUIPMENT ASSOCIATION (ISEA)

ANSI/ISEA Z358.1 (2014) American National Standard for Emergency Eyewash and Shower Equipment

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS

INDUSTRY (MSS)

MSS SP-25 (2018) Standard Marking System for Valves, Fittings, Flanges and Unions

MSS SP-58 (2018) Pipe Hangers and Supports - Materials, Design and Manufacture, Selection, Application, and Installation

MSS SP-67 (2022) Butterfly Valves

MSS SP-70 (2011) Gray Iron Gate Valves, Flanged and Threaded Ends

MSS SP-71 (2018) Gray Iron Swing Check Valves, Flanged and Threaded Ends

MSS SP-72 (2010a) Ball Valves with Flanged or Butt-Welding Ends for General Service

MSS SP-78 (2011) Cast Iron Plug Valves, Flanged and Threaded Ends

MSS SP-80 (2019) Bronze Gate, Globe, Angle and Check Valves

MSS SP-83 (2014) Class 3000 Steel Pipe Unions Socket Welding and Threaded

MSS SP-85 (2011) Gray Iron Globe & Angle Valves Flanged and Threaded Ends

MSS SP-110 (2010) Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2020) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA MG 1 (2021) Motors and Generators

NEMA MG 11 (1977; R 2012) Energy Management Guide for Selection and Use of Single Phase Motors

SECTION 22 00 00 Page 7

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 31 (2020) Standard for the Installation of Oil-Burning Equipment

NFPA 54 (2021) National Fuel Gas Code

NFPA 90A (2021) Standard for the Installation of Air Conditioning and Ventilating Systems

NSF INTERNATIONAL (NSF)

NSF 372 (2016) Drinking Water System Components - Lead Content

NSF/ANSI 14 (2021) Plastics Piping System Components and Related Materials

NSF/ANSI 61 (2022) Drinking Water System Components - Health Effects

PLASTIC PIPE AND FITTINGS ASSOCIATION (PPFA)

PPFA Fire Man (2016) Firestopping: Plastic Pipe in Fire Resistive Construction

PLUMBING AND DRAINAGE INSTITUTE (PDI)

PDI WH 201 (2010) Water Hammer Arresters Standard

U.S. DEPARTMENT OF ENERGY (DOE)

Energy Star (1992; R 2006) Energy Star Energy Efficiency Labeling System (FEMP)

U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA)

EPA SM 9223 (2004) Enzyme Substrate Coliform Test

PL 93-523 (1974; A 1999) Safe Drinking Water Act

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

10 CFR 430 Energy Conservation Program for Consumer Products

40 CFR 141.80 National Primary Drinking Water Regulations; Control of Lead and Copper;

General Requirements

UNDERWRITERS LABORATORIES (UL)

UL 1951 (2011; Reprint Jun 2020) UL Standard for Safety Electric Plumbing Accessories

1.2 RELATED SECTIONS

Related work specified elsewhere. Section 23 05 48.19 SEISMIC BRACING, SUPPORTS, ANCHORAGE, AND VIBRATION ISOLATION FOR MECHANICAL SYSTEMS for

SECTION 22 00 00 Page 8 bracing, support, anchorage, and vibration isolation of plumbing piping and equipment.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for Contractor Quality Control approval. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Plumbing System; G

Detail drawings consisting of schedules, performance charts, instructions, diagrams, and other information to illustrate the requirements and operations of systems that are not covered by the Plumbing Code. Detail drawings for the complete plumbing system including piping layouts and locations of connections ; dimensions for roughing-in, foundation, and support points; schematic diagrams and wiring diagrams or connection and interconnection diagrams. Detail drawings shall indicate clearances required for maintenance and operation. Where piping and equipment are to be supported other than as indicated, details shall include loadings and proposed support methods. Mechanical drawing plans, elevations, views, and details, shall be drawn to scale.

Shop drawings must include and be fully coordinated with contractor designed bracing shop drawings. Refer to specification

23 05 48.19 SEISMIC CONTROL FOR MECHANICAL EQUIPMENT.

SD-03 Product Data

Recycled Content for Steel Pipe; S

Recycled Content for Cast Iron Pipe; S

Backflow Prevention Assemblies; G AE

Shower Faucets; G AE

WaterSense Label for Lavatory Faucet; S

Fixtures

List of installed fixtures with manufacturer, model, and flow rate.

Thermostatic Mixing Valves

Air Compressors; G

Aircraft Washdown System; G AE

Flush Valve Water Closets; G

WaterSense Label for Flush Valve Water Closet; S

Flush Valve Urinals; G

SECTION 22 00 00 Page 9

WaterSense Label for Urinal; S

Countertop Lavatories

Single Sinks

Double Compartment Sinks

Service Sinks

Wash Fountains

Drinking-Water Coolers; G

Energy Star Label for Electric Water Cooler; S

Energy Star Label for Wheelchair Electric Water Cooler; S

WaterSense Label for Showerhead; S

Water Heaters; G

Energy Star Label for Gas Storage Water Heater; S

Pumps; G AE

Breathing Air Purifier; G AE

Air Compressors; G AE

Air Receivers; G AE

Refrigerated Air Dryers; G AE

Welding

A copy of qualified procedures and a list of names and identification symbols of qualified welders and welding operators.

Vibration-Absorbing Features; G

Details of vibration-absorbing features, including arrangement, foundation plan, dimensions and specifications.

Plumbing System

Diagrams, instructions, and other sheets proposed for posting.

Manufacturer's recommendations for the installation of bell and spigot and hubless joints for cast iron soil pipe.

SD-06 Test Reports

Tests, Flushing and Disinfection

Test reports in booklet form showing all field tests performed to adjust each component and all field tests performed to prove compliance with the specified performance criteria, completion and testing of the installed system. Each test report shall indicate

SECTION 22 00 00 Page 10 the final position of controls.

Test of Backflow Prevention Assemblies; G AE .

Certification of proper operation shall be as accomplished in accordance with state regulations by an individual certified by the state to perform such tests. If no state requirement exists, the Contractor shall have the manufacturer's representative test the device, to ensure the unit is properly installed and performing as intended. The Contractor shall provide written documentation of the tests performed and signed by the individual performing the tests.

SD-07 Certificates

Materials and Equipment

Where equipment is specified to conform to requirements of the ASME Boiler and Pressure Vessel Code, the design, fabrication, and installation shall conform to the code.

Bolts

Written certification by the bolt manufacturer that the bolts furnished comply with the specified requirements.

SD-10 Operation and Maintenance Data

Pumps; G, AE

Air Compressors; G AE

Water Heaters; G AE

Aircraft Washdown System; G, AE

Submit in accordance with Section 00 80 00.00 06 SPECIAL

PROVISIONS.

1.4 STANDARD PRODUCTS

Specified materials and equipment shall be standard products of a manufacturer regularly engaged in the manufacture of such products.

Specified equipment shall essentially duplicate equipment that has performed satisfactorily at least two years prior to bid opening.

Standard products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening. The 2-year use shall include applications of equipment and materials under similar circumstances and of similar size. The product shall have been for sale on the commercial market through advertisements, manufacturers' catalogs, or brochures during the 2 year period.

1.4.1 Alternative Qualifications

Products having less than a two-year field service record will be acceptable if a certified record of satisfactory field operation for not less than 6000 hours, exclusive of the manufacturer's factory or laboratory tests, can be shown.

SECTION 22 00 00 Page 11

1.4.2 Service Support

The equipment items shall be supported by service organizations. Submit a certified list of qualified permanent service organizations for support of the equipment which includes their addresses and qualifications. These service organizations shall be reasonably convenient to the equipment installation and able to render satisfactory service to the equipment on a regular and emergency basis during the warranty period of the contract.

1.4.3 Manufacturer's Nameplate

Each item of equipment shall have a nameplate bearing the manufacturer's name, address, model number, and serial number securely affixed in a conspicuous place; the nameplate of the distributing agent will not be acceptable.

1.4.4 Modification of References

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.

1.4.4.1 Definitions

For the International Code Council (ICC) Codes referenced in the contract documents, advisory provisions shall be considered mandatory, the word "should" shall be interpreted as "shall." Reference to the "code official" shall be interpreted to mean the "Contracting Officer." For Navy owned property, references to the "owner" shall be interpreted to mean the "Contracting Officer." For leased facilities, references to the "owner" shall be interpreted to mean the "lessor." References to the "permit holder" shall be interpreted to mean the "Contractor."

1.4.4.2 Administrative Interpretations

For ICC Codes referenced in the contract documents, the provisions of Chapter 1, "Administrator," do not apply. These administrative requirements are covered by the applicable Federal Acquisition Regulations (FAR) included in this contract and by the authority granted to the Officer in Charge of Construction to administer the construction of this project. References in the ICC Codes to sections of Chapter 1, shall be applied appropriately by the Contracting Officer as authorized by his administrative cognizance and the FAR.

1.5 DELIVERY, STORAGE, AND HANDLING

Handle, store, and protect equipment and materials to prevent damage before and during installation in accordance with the manufacturer's recommendations, and as approved by the Contracting Officer. Replace damaged or defective items.

1.6 PERFORMANCE REQUIREMENTS

1.6.1 Welding

Piping shall be welded in accordance with qualified procedures using performance-qualified welders and welding operators. Procedures and

SECTION 22 00 00 Page 12 welders shall be qualified in accordance with ASME BPVC SEC IX . Welding procedures qualified by others, and welders and welding operators qualified by another employer, may be accepted as permitted by ASME B31.1 .

The Contracting Officer shall be notified 24 hours in advance of tests, and the tests shall be performed at the work site if practicable. Welders or welding operators shall apply their assigned symbols near each weld they make as a permanent record. Structural members shall be welded in accordance with Section 05 05 23.16 STRUCTURAL WELDING. Structural members shall be welded in accordance with Section 05 05 23.16 STRUCTURAL

WELDING.

1.7 REGULATORY REQUIREMENTS

Unless otherwise required herein, plumbing work shall be in accordance with ICC IPC .

1.8 PROJECT/SITE CONDITIONS

The Contractor shall become familiar with details of the work, verify dimensions in the field, and advise the Contracting Officer of any discrepancy before performing any work.

1.9 INSTRUCTION TO GOVERNMENT PERSONNEL

When specified in other sections, furnish the services of competent instructors to give full instruction to the designated Government personnel in the adjustment, operation, and maintenance, including pertinent safety requirements, of the specified equipment or system.

Instructors shall be thoroughly familiar with all parts of the installation and shall be trained in operating theory as well as practical operation and maintenance work.

Instruction shall be given during the first regular work week after the equipment or system has been accepted and turned over to the Government for regular operation. The number of man-days (8 hours per day) of instruction furnished shall be as specified in the individual section.

When more than 4 man-days of instruction are specified, use approximately half of the time for classroom instruction. Use other time for instruction with the equipment or system.

When significant changes or modifications in the equipment or system are made under the terms of the contract, provide additional instruction to acquaint the operating personnel with the changes or modifications.

1.10 ACCESSIBILITY OF EQUIPMENT

Install all work so that parts requiring periodic inspection, operation, maintenance, and repair are readily accessible. Install concealed valves, expansion joints, controls, dampers, and equipment requiring access, in locations freely accessible through access doors.

PART 2 PRODUCTS

2.1 MATERIALS

Materials for various services shall be in accordance with TABLES I and II.

Steel pipe shall contain a minimum of 25 percent recycled content, with a minimum of 16 percent post-consumer recycled content. Provide data identifying percentage of recycled content for steel pipe. Pipe schedules

SECTION 22 00 00 Page 13 shall be selected based on service requirements. Pipe fittings shall be compatible with the applicable pipe materials. Plastic pipe, fittings, and solvent cement shall meet NSF/ANSI 14 and shall be NSF listed for the service intended. Plastic pipe, fittings, and solvent cement used for potable hot and cold water service shall bear the NSF seal "NSF-PW." Pipe threads (except dry seal) shall conform to ASME B1.20.1 . Material or equipment containing a weighted average of greater than 0.25 percent lead shall not be used in any potable water system intended for human consumption, and shall be certified in accordance with NSF/ANSI 61 , Annex G or NSF 372 . In line devices such as water meters, building valves, check valves, meter stops, valves, fittings and back flow preventers shall comply with PL 93-523 and NSF/ANSI 61 , Section 8. End point devices such as drinking water fountains, lavatory faucets, kitchen and bar faucets, residential ice makers, supply stops and end point control valves used to dispense water for drinking must meet the requirements of NSF/ANSI 61 , Section 9. Hubless cast-iron soil pipe shall not be installed underground, under concrete floor slabs, or in crawl spaces below kitchen floors. Cast-iron pipe shall contain a minimum of 95 percent recycled content. Provide data identifying percentage of recycled content for cast iron pipe. Plastic pipe shall not be installed in air plenums. Plastic pipe shall not be installed in a pressure piping system in buildings greater than three stories including any basement levels.

2.1.1 Pipe Joint Materials

Grooved pipe and hubless cast-iron soil pipe shall not be used underground. Solder containing lead shall not be used with copper pipe.

Cast iron soil pipe and fittings shall be marked with the collective trademark of the Cast Iron Soil Institute. Joints and gasket materials shall conform to the following:

a. Coupling for Cast-Iron Pipe: For hub and spigot type ASTM A74, AWWA C606. For hubless type: CISPI 310

b. Coupling for Steel Pipe: AWWA C606.

c. Flange Gaskets: Gaskets shall be made of non-asbestos material in accordance with ASME B16.21 . Gaskets shall be flat, 1/16 inch thick, and contain Aramid fibers bonded with Styrene Butadiene Rubber (SBR) or Nitro Butadiene Rubber (NBR). Gaskets shall be the full face or self centering flat ring type. Gaskets used for hydrocarbon service shall be bonded with NBR.

d. Brazing Material: Brazing material shall conform to AWS A5.8/A5.8M , BCuP-5.

e. Brazing Flux: Flux shall be in paste or liquid form appropriate for use with brazing material. Flux shall be as follows: Lead-free; have a 100 percent flushable residue; contain slightly acidic reagents;

contain potassium borides; and contain fluorides.

f. Solder Material: Solder metal shall conform to ASTM B32.

g. Solder Flux: Flux shall be liquid form, non-corrosive, and conform to ASTM B813, Standard Test 1.

h. PTFE Tape: PTFE Tape, for use with Threaded Metal or Plastic Pipe.

i. Rubber Gaskets for Cast-Iron Soil-Pipe and Fittings (hub and spigot

SECTION 22 00 00 Page 14 type and hubless type): ASTM C564.

j. Flexible Elastomeric Seals: ASTM D3139, ASTM D3212 or ASTM F477.

k. Plastic Solvent Cement for PVC Plastic Pipe: ASTM D2564 and ASTM D2855.

l. Flanged fittings including, but not limited to, flanges, bolts, nuts and bolt patterns shall be in accordance with ASME B16.5 class 150 and shall have the manufacturer's trademark affixed in accordance with MSS SP-25 . Flange material shall conform to ASTM A105/A105M . Blind flange material shall conform to ASTM A516/A516M cold service and ASTM A515/A515M for hot service. Bolts shall be high strength or intermediate strength with material conforming to ASTM A193/A193M .

m. Copper tubing shall conform to ASTM B88, Type K, L.

2.1.2 Miscellaneous Materials

Miscellaneous materials shall conform to the following:

a. Water Hammer Arrester: PDI WH 201 . Piston type.

b. Copper, Sheet and Strip for Building Construction: ASTM B370.

c. Supports for Off-The-Floor Plumbing Fixtures: ASME A112.6.1M .

d. Metallic Cleanouts: ASME A112.36.2M .

e. Plumbing Fixture Setting Compound: A preformed flexible ring seal molded from hydrocarbon wax material. The seal material shall be nonvolatile nonasphaltic and contain germicide and provide watertight, gastight, odorproof and verminproof properties.

f. Hypochlorites: AWWA B300.

g. Liquid Chlorine: AWWA B301.

h. Gauges - Pressure and Vacuum Indicating Dial Type - Elastic Element:

ASME B40.100 .

i. Thermometers: ASTM E1. Mercury shall not be used in thermometers.

2.1.3 Pipe Insulation Material

Insulation shall be as specified in Section 23 07 00 THERMAL INSULATION

FOR MECHANICAL SYSTEMS.

2.2 PIPE HANGERS, INSERTS, AND SUPPORTS

Pipe hangers, inserts, and supports shall conform to MSS SP-58 .

Provide seismic bracing in accordance with specification 23 05 48.19

SEISMIC CONTROL FOR MECHANICAL EQUIPMENT.

2.3 VALVES

Valves shall be provided on supplies to equipment and fixtures. Valves 2-1/2 inches and smaller shall be bronze with threaded bodies for pipe and solder-type connections for tubing . Valves 3 inches and larger shall have

SECTION 22 00 00 Page 15 flanged iron bodies and bronze trim. Pressure ratings shall be based upon the application. Grooved end valves may be provided if the manufacturer certifies that the valves meet the performance requirements of applicable MSS standard. Valves shall conform to the following standards:

Description Standard

Butterfly Valves MSS SP-67

Cast-Iron Gate Valves, Flanged and Threaded Ends

MSS SP-70

Cast-Iron Swing Check Valves, Flanged and Threaded Ends

MSS SP-71

Ball Valves with Flanged Butt-Welding Ends for General Service

MSS SP-72

Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends

MSS SP-110

Cast-Iron Plug Valves, Flanged and Threaded Ends

MSS SP-78

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

Steel Valves, Socket Welding and Threaded Ends

ASME B16.34

Cast-Iron Globe and Angle Valves, Flanged and Threaded Ends

MSS SP-85

Vacuum Relief Valves ANSI Z21.22/CSA 4.4

Water Pressure Reducing Valves ASSE 1003

Water Heater Drain Valves ASME BPVC SEC IV, Part HLW-810:

Requirements for Potable-Water Heaters Bottom Drain Valve

Trap Seal Primer Valves ASSE 1018

Temperature and Pressure Relief Valves for Hot Water Supply Systems

ANSI Z21.22/CSA 4.4

SECTION 22 00 00 Page 16

Temperature and Pressure Relief Valves for Automatically Fired Hot Water Boilers

ASME CSD-1

Safety Code No., Part CW, Article 5

2.3.1 Hose Bibb (HB-1)

Hose bibb (HB-1) with vacuum-breaker backflow preventer shall be brass with 3/4 inch male inlet threads, hexagon shoulder, and 3/4 inch hose connection. Faucet handle shall be securely attached to stem.

2.3.2 Wall Hydrants (Frostproof) (WH-1)

ASSE 1019 with vacuum-breaker backflow preventer shall have a nickel-brass or nickel-bronze wall plate or flange with nozzle and detachable key handle. A brass or bronze operating rod shall be provided within a galvanized iron casing of sufficient length to extend through the wall so that the valve is inside the building, and the portion of the hydrant between the outlet and valve is self-draining. A brass or bronze valve with coupling and union elbow having metal-to-metal seat shall be provided. Valve rod and seat washer shall be removable through the face of the hydrant. The hydrant shall have 3/4 inch exposed hose thread on spout and 3/4 inch male pipe thread on inlet.

2.3.3 Relief Valves

Water heaters and hot water storage tanks shall have a combination pressure and temperature (P&T) relief valve. The pressure relief element of a P&T relief valve shall have adequate capacity to prevent excessive pressure buildup in the system when the system is operating at the maximum rate of heat input. The temperature element of a P&T relief valve shall have a relieving capacity which is at least equal to the total input of the heaters when operating at their maximum capacity. Relief valves shall be rated according to ANSI Z21.22/CSA 4.4 . Relief valves for systems where the maximum rate of heat input is less than 200,000 Btuh shall have 3/4 inch minimum inlets, and 3/4 inch outlets. Relief valves for systems where the maximum rate of heat input is greater than 200,000 Btuh shall have 1 inch minimum inlets, and 1 inch outlets. The discharge pipe from the relief valve shall be the size of the valve outlet.

2.3.4 Thermostatic Mixing Valves (TMV-1 & TMV-2)

Provide thermostatic mixing valve at all laboratory and domestic fixtures receiving hot water. Mixing valves, thermostatic type, pressure-balanced or combination thermostatic and pressure-balanced shall be line size and shall be constructed with rough or finish bodies either with or without plating. Each valve shall be constructed to control the mixing of hot and cold water and to deliver water at a desired temperature regardless of pressure or input temperature changes. Master mixing valves (TMV-01 and

02) shall meet scheduled performance. Mixing valves for plumbing and laboratory fixtures shall be based on 131 degrees F hot water inlet temperature and 55 degrees F cold water inlet temperature. Non-emergency fixtures shall provide 110 degree F hot water outlet temperature from the mixing valve. Emergency fixtures shall provide 80 degree F tepid water outlet temperature from the mixing valve. Emergency fixture mixing valves shall have cold water bypass and be rated to ASSE 1071 . Non-emergency fixture mixing valves shall be rated to ASSE 1070 . The control element shall be of an approved type. The body shall be of heavy cast bronze, and

SECTION 22 00 00 Page 17 interior parts shall be brass, bronze, corrosion-resisting steel or copper.