W912QR21R0051_Specs_Vol2-0000.pdf

Solicitation For XTAL Renovations Project Bldg 654 Wright-Patterson AFB, OH

P2: 487666

Design Bid Build

Specifications - Vol. 2 of 2 Certified Final Design Submittal

23 June 2021

W912QR21R0051

ARIMS: 200A

Disposition: Maintain for 15yrs after construction

W912QR21R0051-0000

P2#487666 XTAL Renovation Project CERTIFIED FINAL DESIGN SUBMITTAL Wright-Patterson AFB, OH

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XTAL RENOVATION PROJECT

WRIGHT-PATTERSON AFB, OH

CERTIFIED FINAL SUBMITTAL

SPECIFICATIONS

VOLUME II OF II

MAY 2021

PN: ZHTV190007

P2#: 487666

P2#487666 XTAL Renovation Project

XTAL RENOVATION PROJECT

May 2021 Burns & McDonnell 9400 Ward Parkway

Kansas City, MO 64114

CERTIFICATION PAGE

CIVIL STRUCTURAL ARCHITECTURAL

FIRE PROTECTION MECHANICAL ELECTRICAL

05/2 5/21

5/25/2021

5/25/2021

5/25/2021

P2#487666 XTAL Renovation Project

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 10 00 08/23/2019 PRICE BREAKOUT SCHEDULE

00 80 00.00 06 02/20 SPECIAL PROVISIONS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 08/15 SUMMARY OF WORK

01 32 01.00 06 07/18 PROJECT SCHEDULE

01 33 00.00 06 04/2020 SUBMITTAL PROCEDURES

01 35 26.00 06 GOVERNMENT SAFETY REQUIREMENTS

01 35 43 12/20 GENERAL ENVIRONMENTAL PROTECTION

REQUIREMENTS (WPAFB)

01 42 00 02/19 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.15 10 11/16 RESIDENT MANAGEMENT SYSTEM CONTRACTOR

MODE (RMS CM)

01 45 04.10 06 CONTRACTOR QUALITY CONTROL

01 45 35 11/20 SPECIAL INSPECTIONS

01 46 00.00 06 04/20 TOTAL BUILDING COMMISSIONING

01 50 00 05/18 TEMPORARY CONSTRUCTION FACILITIES AND

CONTROLS

01 57 19.00 06 09/17 TEMPORARY ENVIRONMENTAL CONTROLS AND

PERMITS

01 74 19 02/19 CONSTRUCTION WASTE MANAGEMENT AND

DISPOSAL

01 78 23 08/15 OPERATION AND MAINTENANCE DATA

DIVISION 02 - EXISTING CONDITIONS

02 41 00 05/10 DEMOLITION

DIVISION 03 - CONCRETE

03 01 00 02/18 REHABILITATION OF CONCRETE

03 30 53 05/14 MISCELLANEOUS CAST-IN-PLACE CONCRETE

DIVISION 04 - MASONRY

04 20 00 11/15 UNIT MASONRY

DIVISION 05 - METALS

05 50 13 05/17 MISCELLANEOUS METAL FABRICATIONS

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 05 23 08/19 PRESSURE TESTING AN AIR BARRIER SYSTEM

FOR AIR TIGHTNESS

07 27 19.01 05/17, CHG 2: 08/20 SELF-ADHERING AIR BARRIERS

07 27 26 05/17 FLUID-APPLIED MEMBRANE AIR BARRIERS

07 84 00 05/10 FIRESTOPPING

07 92 00 08/16 JOINT SEALANTS

DIVISION 08 - OPENINGS

08 11 13 08/20 STEEL DOORS AND FRAMES

08 31 00 05/17 ACCESS DOORS AND PANELS

PROJECT TABLE OF CONTENTS Page 1

VOLUME I

08 32 13 08/20 ALUMINUM SLIDING GLASS DOORS

08 41 13 08/18 ALUMINUM-FRAMED ENTRANCES AND

STOREFRONTS

08 51 13 05/19 ALUMINUM WINDOWS

08 71 00 02/16, CHG 3: 08/20 DOOR HARDWARE

08 81 00 05/19 GLAZING

DIVISION 09 - FINISHES

09 06 00 05/09 SCHEDULES FOR FINISHES

09 22 00 02/10 SUPPORTS FOR PLASTER AND GYPSUM BOARD

09 29 00 08/16 GYPSUM BOARD

09 51 00 08/20 ACOUSTICAL CEILINGS

09 65 00 08/10 RESILIENT FLOORING

09 90 00 05/11 PAINTS AND COATINGS

DIVISION 10 - SPECIALTIES

10 14 00.20 08/20 INTERIOR SIGNAGE

10 26 00 08/20 WALL AND DOOR PROTECTION

10 44 16 11/19 FIRE EXTINGUISHERS

10 56 13 04/06 STEEL SHELVING

DIVISION 11 - EQUIPMENT

11 53 00 05/11 LABORATORY EQUIPMENT AND FUMEHOODS

DIVISION 12 - FURNISHINGS

12 31 00 11/14 MANUFACTURED METAL CASEWORK

12 48 13 08/17 ENTRANCE FLOOR MATS AND FRAMES

12 50 00.13 10 08/17 FURNITURE AND FURNITURE INSTALLATION

DIVISION 13 - SPECIAL CONSTRUCTION

13 21 13 12/20 CLEANROOMS

13 21 13.10 02/21 CLEANROOM CONSTRUCTION PROTOCOL

13 21 13.20 02/21 CLEANROOM CERTIFICATION AND ACCEPTANCE

DIVISION 21 - FIRE SUPPRESSION

21 13 13 08/20 WET PIPE SPRINKLER SYSTEMS, FIRE

PROTECTION

DIVISION 22 - PLUMBING

22 00 00 11/15 PLUMBING, GENERAL PURPOSE

22 68 00 04/17 LIQUID NITROGEN PROCESS PIPING

22 69 00 05/21 ULTRA HIGH PURITY GAS DISTRIBUTION

SYSTEMS

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)

23 05 93.00 06 08/16 TESTING, ADJUSTING, AND BALANCING

(TAB) OF HVAC

23 07 00 02/13 THERMAL INSULATION FOR MECHANICAL

SYSTEMS

23 09 00 02/19 INSTRUMENTATION AND CONTROL FOR HVAC

23 09 13 11/15 INSTRUMENTATION AND CONTROL DEVICES

PROJECT TABLE OF CONTENTS Page 2

VOLUME II

FOR HVAC

23 09 23.02 02/19 BACNET DIRECT DIGITAL CONTROL FOR HVAC

AND OTHER BUILDING CONTROL SYSTEMS

23 23 00 10/07 REFRIGERANT PIPING

23 30 00 05/20 HVAC AIR DISTRIBUTION

23 64 26 08/09 CHILLED AND HEATING WATER PIPING

SYSTEMS

DIVISION 25 - INTEGRATED AUTOMATION

25 08 10 04/06 UTILITY MONITORING AND CONTROL SYSTEM

TESTING

DIVISION 26 - ELECTRICAL

26 08 00 08/08 APPARATUS INSPECTION AND TESTING

26 20 00 08/19 INTERIOR DISTRIBUTION SYSTEM

26 28 01.00 10 10/07 COORDINATED POWER SYSTEM PROTECTION

26 29 23 02/20 ADJUSTABLE SPEED DRIVE (ASD) SYSTEMS

UNDER 600 VOLTS

26 32 15.00 05/20 ENGINE-GENERATOR SET STATIONARY

15-2500 KW, WITH AUXILIARIES

26 33 53 05/19 STATIC UNINTERRUPTIBLE POWER SUPPLY

(UPS)

26 36 23 05/20 AUTOMATIC TRANSFER SWITCHES AND

BY-PASS/ISOLATION SWITCH

26 51 00 05/20 INTERIOR LIGHTING

DIVISION 27 - COMMUNICATIONS

27 10 00 08/11 BUILDING TELECOMMUNICATIONS CABLING

SYSTEM

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

28 31 76 08/20 INTERIOR FIRE ALARM AND MASS

NOTIFICATION SYSTEM, ADDRESSABLE

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 05 33 08/17 LANDSCAPE ESTABLISHMENT

32 11 23 08/17 AGGREGATE BASE COURSES

32 12 13 05/17 BITUMINOUS TACK AND PRIME COATS

32 12 16 08/09 HOT-MIX ASPHALT (HMA) FOR ROADS

32 16 19 05/18 CONCRETE CURBS, GUTTERS AND SIDEWALKS

32 92 23 04/06 SODDING

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 3

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PROJECT TABLE OF CONTENTS Page 4

SECTION 22 00 00

PLUMBING, GENERAL PURPOSE

11/15

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.

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

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

ASME A112.3.1 (2017) Stainless Steel Drainage Systems for Sanitary DWV, Storm, and Vacuum Applications, Above and Below-Ground

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

ASME B16.5 (2017) Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch Standard

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

ASME B16.18 (2018) Cast Copper Alloy Solder Joint Pressure Fittings

ASME B16.21 (2016) Nonmetallic Flat Gaskets for Pipe Flanges

ASME B16.22 (2018) Standard for Wrought Copper and Copper Alloy Solder Joint Pressure Fittings

ASME B16.23 (2011) Cast Copper Alloy Solder Joint Drainage Fittings - DWV

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

ASME B16.34 (2017) Valves - Flanged, Threaded and Welding End

ASME B16.50 (2013) Wrought Copper and Copper Alloy Braze-Joint Pressure Fittings

ASME B16.51 (2013) Copper and Copper Alloy Press-Connect Pressure Fittings

ASME B31.1 (2020) Power Piping

SECTION 22 00 00 Page 1

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

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

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

AMERICAN SOCIETY OF SANITARY ENGINEERING (ASSE)

ASSE 1001 (2016) Performance Requirements for Atmospheric Type Vacuum Breakers

ASSE 1010 (2004) Performance Requirements for Water Hammer Arresters (ANSI approved 2004)

ASSE 1011 (2004; Errata 2004) Performance Requirements for Hose Connection Vacuum Breakers (ANSI approved 2004)

ASSE 1012 (2009) Performance Requirements for Backflow Preventer with an Intermediate Atmospheric Vent - (ANSI approved 2009)

ASSE 1013 (2011) Performance Requirements for Reduced Pressure Principle Backflow Preventers and Reduced Pressure Fire Protection Principle Backflow Preventers - (ANSI approved 2010)

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

ASSE 1044 (2015) Performance Requirements for Trap Seal Primer – Drainage Types and Electric Design Types

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA 10084 (2017) Standard Methods for the Examination of Water and Wastewater

AWWA B300 (2018) Hypochlorites

AWWA B301 (2010) Liquid Chlorine

AWWA C651 (2014) Standard for Disinfecting Water Mains

AWWA C652 (2019) Disinfection of Water-Storage Facilities

AMERICAN WELDING SOCIETY (AWS)

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

SECTION 22 00 00 Page 2

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

ASTM INTERNATIONAL (ASTM)

ASTM A105/A105M (2018) 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 A666 (2015) Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate and Flat Bar

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

ASTM B32 (2008; R 2014) Standard Specification for Solder Metal

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

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

ASTM B117 (2019) Standard Practice for Operating Salt Spray (Fog) Apparatus

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

ASTM B370 (2012; R 2019) Standard Specification for Copper Sheet and Strip for Building Construction

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

ASTM B828 (2016) Standard Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings

ASTM C920 (2018) Standard Specification for Elastomeric Joint Sealants

SECTION 22 00 00 Page 3

ASTM C1036 (2016) Standard Specification for Flat Glass

ASTM C1053 (2000; R 2010) Standard Specification for Borosilicate Glass Pipe and Fittings for Drain, Waste, and Vent (DWV) Applications

ASTM D2564 (2012) Standard Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping Systems

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 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 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 F2389 (2019) Standard Specification for Pressure-rated Polypropylene (PP) Piping Systems

COPPER DEVELOPMENT ASSOCIATION (CDA)

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

INTERNATIONAL ASSOCIATION OF PLUMBING AND MECHANICAL OFFICIALS

(IAPMO)

IAPMO PS 117 (2005b) Press Type Or Plain End Rub Gasketed W/ Nail CU & CU Alloy Fittings 4 Install On CU Tubing

IAPMO UPC (2003) Uniform Plumbing Code

INTERNATIONAL CODE COUNCIL (ICC)

ICC IPC (2018) International Plumbing Code

SECTION 22 00 00 Page 4

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 (2017; Errata 1 2017) Butterfly Valves

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

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

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

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA MG 1 (2018) Motors and Generators

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

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 90A (2018) 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 (2019) Plastics Piping System Components and Related Materials

NSF/ANSI 61 (2020) 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

SECTION 22 00 00 Page 5

SOCIETY OF AUTOMOTIVE ENGINEERS INTERNATIONAL (SAE)

SAE J1508 (2009) Hose Clamp Specifications

U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA)

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

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

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

General Requirements

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00.00 06 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.

Installation Drawings; G

SD-03 Product Data

Fixtures; F

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

Emergency Eyewash and Shower; F

Pumps; G

Process Chillers; G

Backflow Prevention Assemblies; F

Water Treatment Equipment; G

Welding

SECTION 22 00 00 Page 6

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

Plumbing System

Diagrams, instructions, and other sheets proposed for posting.

Manufacturer's recommendations for the installation of bell and spigot and hubless joints .

Pipe and Fittings; F

Valves; F

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 the final position of controls.

Test of Backflow Prevention Assemblies; F

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.

Test Reports; F

Gas System Purge and Test Report; G

Vacuum System Test Report; G

SD-07 Certificates

Materials and Equipment

Bolts

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

Borosilicate Glass Materials; F

SD-10 Operation and Maintenance Data

Plumbing System; F

Submit in accordance with Section 01 78 23 OPERATION AND

MAINTENANCE DATA.

SECTION 22 00 00 Page 7

Pumps; G

Process Chillers; G

Water Treatment Equipment; G

1.3 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.

1.3.1 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 6,000 hours, exclusive of the manufacturer's factory or laboratory tests, can be shown.

1.3.2 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.

1.3.3 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.

1.3.4 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.

1.3.4.1 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

SECTION 22 00 00 Page 8

"permit holder" shall be interpreted to mean the "Contractor."

1.3.4.2 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.

1.4 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.

1.5 PERFORMANCE REQUIREMENTS

1.5.1 Welding

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

1.6 REGULATORY REQUIREMENTS

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

1.7 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.

1.8 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.

SECTION 22 00 00 Page 9

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.

1.9 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. Pipe schedules 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. Polypropylene pipe and fittings shall conform to dimensional requirements of Schedule 40, Iron Pipe size and shall comply with NSF/ANSI 14 , NSF/ANSI 61 and ASTM F2389. Polypropylene piping that will be exposed to UV light shall be provided with a Factory applied UV resistant coating. 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.

2.1.1 Pipe Joint Materials

Solder containing lead shall not be used with copper pipe. Joints and gasket materials shall conform to the following:

a. 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.

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

c. 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.

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

e. Solder Flux: Flux shall be liquid form, non-corrosive, and conform to

SECTION 22 00 00 Page 10

ASTM B813, Standard Test 1.

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

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

h. 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 .

i. Press fittings for Copper Pipe and Tube: Copper press fittings shall conform to the material and sizing requirements of ASME B16.51 and performance criteria of IAPMO PS 117 . Sealing elements for copper press fittings shall be EPDM, FKM or HNBR. Sealing elements shall be factory installed or an alternative supplied fitting manufacturer.

Sealing element shall be selected based on manufacturer's approved application guidelines.

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

2.1.2 Miscellaneous Materials

Miscellaneous materials shall conform to the following:

a. Water Hammer Arrester: PDI WH 201 . Water hammer arrester shall be diaphragm type.

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

c. Hose Clamps: SAE J1508 .

d. Hypochlorites: AWWA B300.

e. Liquid Chlorine: AWWA B301.

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

ASME B40.100 .

g. 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.

2.1.4 Borosilicate Glass, Type BSG

Provide borosilicate glass materials tempered and annealed in conformance with ASTM C1036. Pipe coupling per AISI Type 304 corrosion-resistant steel lined with Buna-N resilient member supporting a tetrafluoroethylene liner, ensuring that the liner is the only material wetted by waste stream. Verify piping class is BSG-1.

SECTION 22 00 00 Page 11

2.2 PIPE HANGERS, INSERTS, AND SUPPORTS

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

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 flanged iron bodies and bronze trim. Pressure ratings shall be based upon the application. Valves shall conform to the following standards:

Description Standard

Butterfly Valves MSS SP-67

Ball Valves with Flanged Butt-Welding Ends for General Service

MSS SP-72

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

MSS SP-110

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

Steel Valves, Socket Welding and Threaded Ends

ASME B16.34

2.3.1 Ultra Pure Gas Valves

Provide ball valves with 316 stainless-steel bodies with stainless steel ball and stem and Teflon seat, cleaned and packaged for oxygen service.

2.3.2 Purified Water Valves

Valves for purified water shall be of zero dead leg design, type 343.

Valves shall be made of PVDF. Valve bodies are to be unibody, molded design with a 150 psi rating at 68 degrees F. All metal nuts and bolts must be capped or covered to reduce metal exposure.

2.3.3 Electronic Trap Primer System (Automatic)

Provide fully automatic trap primer assembly, factory assembled and pre-piped and including 3/4 inch NPT female inlet, bronze body 3/4 inch female NPT ball valve, 3/4 inch Type L copper tubing distribution manifold. Trap primer assembly shall be in accordance with ASSE 1044 .

Distribution manifold shall be calibrated to provide equal water distribution to each trap. Provide manifold with 5/8 by 1/2 inch compression fitting outlets. All solder joints shall be made with lead free solder. Provide electronic assembly tested and certified per UL 73 and including circuit breaker, 10-second dwell function, manual override, 24-hour geared timer, and solenoid valve. Provide single point water supply and 120 VAC power supply connections. If required, manufacturer shall provide power supply transformer. Components shall be installed in a NEMA 1 cabinet.

SECTION 22 00 00 Page 12

2.3.4 Wall Faucets

Wall faucets 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.

2.4 FIXTURES

No fixture will be accepted that shows cracks, crazes, blisters, thin spots, or other flaws. Fixtures shall be equipped with appurtenances such as traps, faucets, stop valves, and drain fittings. Each fixture and piece of equipment requiring connections to the drainage system shall be equipped with a trap. Brass expansion or toggle bolts capped with acorn nuts shall be provided for supports, and polished chromium-plated pipe, valves, and fittings shall be provided where exposed to view. Fixtures with the supply discharge below the rim shall be equipped with backflow preventers.

2.4.1 Emergency Eyewash and Shower

ANSI/ISEA Z358.1 , floor supported free standing unit. Provide deluge shower head, stay-open ball valve operated by pull rod and ring or triangular handle. Provide eyewash and stay-open ball valve operated by foot treadle or push handle.

All components including but not limited to pipe, fittings, showerhead, pull rod, and bowl shall be constructed of Type 304 or 316 stainless steel. Ball valves shall be type 304 stainless steel. Provide a pressure-compensated tempering valve, with leaving water temperature setpoint adjustable throughout the range 60 to 95 degrees F. Provide packaged, UL listed, alarm system; including an amber strobe lamp, horn with externally adjustable loudness and horn silencing switch, mounting hardware, and waterflow service.

2.4.2 Washing Machine Outlet Boxes

Recessed, stainless-steel box and faceplate outlet box. Drain shall be 2 inch standpipe and P-trap for direct waste connection to drainage piping.

Box not required to have supply fittings or valves.

2.5 BACKFLOW PREVENTERS

Backflow prevention devices must be approved by the State or local regulatory agencies. If there is no State or local regulatory agency requirements, the backflow prevention devices must be listed by the Foundation for Cross-Connection Control & Hydraulic Research, or any other approved testing laboratory having equivalent capabilities for both laboratory and field evaluation of backflow prevention devices and assemblies.

Reduced pressure principle assemblies, double check valve assemblies, atmospheric (nonpressure) type vacuum breakers, and pressure type vacuum breakers shall be meet the above requirements.

Backflow preventers with intermediate atmospheric vent shall conform to ASSE 1012 . Reduced pressure principle backflow preventers shall conform to ASSE 1013 . Hose connection vacuum breakers shall conform to ASSE 1011 .

Pipe applied atmospheric type vacuum breakers shall conform to ASSE 1001 .

Pressure vacuum breaker assembly shall conform to ASSE 1020 . Air gaps in

SECTION 22 00 00 Page 13 plumbing systems shall conform to ASME A112.1.2 .

2.6 DRAINS

2.6.1 Stainless-Steel Floor Drains

Provide floor drains for all laboratory waste systems with Type 316L Stainless Steel conforming to ASTM A666 and ASME A112.3.1 . Provide bottom outlet of the size indicated.

2.7 PUMPS

2.7.1 Vertical In-Line Multi-Stage Pumps

Pumps shall be in-line vertical multi-stage. Suction/discharge base, pump head, and motor stool shall be cast iron. Impellers, diffuser, outer sleeve, shaft, impeller wear rings shall all be stainless steel.

Mechanical seal shall be silicon carbide. Coupling to be designed to allow removal of all mechanical seal components for servicing without removal of the pump. Shaft coupling shall be cast iron or sintered steel.

2.7.2 Motors

Motors must meet scheduled horsepower, speed, voltage, and enclosure design. Motors must be premium efficiency and meet NEMA MG 1 specifications. Each motor shall be of the Integrated Variable Frequency Drive design consisting of a motor and a Variable Frequency Drive (VFD) with a built-in pump system controller. The complete VFD/motor assembly shall be built and tested as one unit by the same manufacturer. The VFD/motor shall have an IP55 (TEFC) enclosure rating as a complete assembly. The motor shall have a standard NEMA C-Face, Class F insulation with a Class B temperature rise. The VFD shall meet requirements of Section 26 29 23 ADJUSTABLE SPEED DRIVE (ASD) SYSTEMS UNDER 600 VOLTS.

Automatic De-Rate Function: The VFD/motor shall reduce speed during periods of overload allowing for reduced capacity pump operation without complete shut-down of the system. Detection of overload shall be based on continuous monitoring of current, voltage and temperature within the VFD/motor assembly. The VFD/motor shall have, as a minimum, the following input/output capabilities:

a. Speed Reference Signal: 0-10 VDC, 4-20mA.

b. Digital remote on/off.

c. Fault Signal Relay (NC or NO).

d. Fieldbus communication port (RS485).

2.7.3 Flexible Connectors

Flexible connectors shall be provided at the suction and discharge of each pump that is 1 hp or larger. Connectors shall be constructed of neoprene, rubber, or braided bronze, with Class 150 standard flanges. Flexible connectors shall be line size and suitable for the pressure and temperature of the intended service.

2.8 PROCESS CHILLERS

Provide non-refrigerated water-to-water recirculating system including

SECTION 22 00 00 Page 14 electronic temperature controller, motorized facility water valve for temperature control, pump, bypass relief valve, visual flowmeter, non-pressurized integrated fluid tank with level switch and leveling legs. All wetted materials shall be non-ferrous. Heat exchanger shall be brazed plate design, copper brazes, with plates made from 316L stainless steel. The reservoir, integrated fluid tank, shall be made from PVC sheet and open to atmosphere.

Provide dry contacts to indicate unit's running status.

Fill the application side loop with drinkable distilled water.

2.9 COMPRESSED AIR SYSTEM

2.9.1 Point of Use Filter / Pressure Regulators

Filter/Regulators shall be designed for a maximum inlet pressure of 250 psi and a maximum temperature of 175 degrees F. Regulators shall be single-seated, pilot-operated with valve plug, zinc body and trim or equal, and threaded connections. The regulator valve shall include a pressure gauge and shall be provided with an adjustment screw for adjusting the pressure. Regulator shall include manual drain, metal bowl, and sight glass. Filter shall remove particles and water. Filter/ Regulator shall be sized as indicated.

2.10 GAS UTILITY PRESSURE REGULATORS

Regulators shall be designed for a maximum inlet pressure of 250 psi and a maximum temperature of 175 degrees F. Regulators shall be zinc body and trim or equal, and threaded connections. The regulator valve shall include a pressure gauge and shall be provided with an adjustment knob for adjusting the pressure. Regulator shall be sized as indicated.

2.11 WATER TREATMENT EQUIPMENT

Provide a water purification system capable of delivering and recirculating ASTM D1193 Type I water through a piping loop as shown on the drawings. Metrics include but are not limited to: Maximum resistivity of 18.0 M-ohm·cm, maximum silica concentration of 3 micro-gram/liter, maximum total oxidizable carbon (TOC) concentration of 50 micro-gram/liter, maximum heterotrophic bacteria count of 10 cfu/milliliter, maximum endotoxin count of 0.03 EU/milliliter, and particle filtration of 0.2 micrometer. System feed water will be softened tap water.

System provider must select and provide components necessary to meet the specified water volume, flow rate, pressure, and purity. At a minimum system must include activated carbon filtration, pre-filtration, reverse osmosis membrane, a storage tank, UV treatment, filtration, mixed bed deionizer, water quality indicator light, and distribution pump (provide booster as required to meet pressure requirements) and controls.

2.12 ELECTRICAL WORK

Provide electrical motor driven equipment specified complete with motors, motor starters, and controls as specified herein and in Section 26 20 00 INTERIOR DISTRIBUTION SYSTEM. Provide internal wiring for components of packaged equipment as an integral part of the equipment. Provide high efficiency type, single-phase, fractional-horsepower alternating-current

SECTION 22 00 00 Page 15 motors, including motors that are part of a system, corresponding to the applications in accordance with NEMA MG 11. In addition to the requirements of Section 26 20 00 INTERIOR DISTRIBUTION SYSTEM, provide polyphase, squirrel-cage medium induction motors with continuous ratings, including motors that are part of a system, that meet the efficiency ratings for premium efficiency motors in accordance with NEMA MG 1.

Provide motors in accordance with NEMA MG 1 and of sufficient size to drive the load at the specified capacity without exceeding the nameplate rating of the motor.

Motors shall be rated for continuous duty with the enclosure specified.

Motor duty requirements shall allow for maximum frequency start-stop operation and minimum encountered interval between start and stop. Motor torque shall be capable of accelerating the connected load within 20 seconds with 80 percent of the rated voltage maintained at motor terminals during one starting period. Motor bearings shall be fitted with grease supply fittings and grease relief to outside of the enclosure.

Controllers and contactors shall have auxiliary contacts for use with the controls provided. Manual or automatic control and protective or signal devices required for the operation specified and any control wiring required for controls and devices specified, but not shown, shall be provided. For packaged equipment, the manufacturer shall provide controllers, including the required monitors and timed restart.

Power wiring and conduit for field installed equipment shall be provided under and conform to the requirements of Section 26 20 00 INTERIOR

DISTRIBUTION SYSTEM.

2.13 MISCELLANEOUS PIPING ITEMS

2.13.1 Escutcheon Plates

Provide one piece or split hinge metal plates for piping entering floors, walls, and ceilings in exposed spaces. Provide chromium-plated on copper alloy plates or polished stainless steel finish in finished spaces.

Provide paint finish on plates in unfinished spaces.

2.13.2 Pipe Sleeves

Provide where piping passes entirely through walls, ceilings, roofs, and floors. Sleeves are not required where supply drain, waste, and vent (DWV) piping passes through concrete floor slabs located on grade, except where penetrating a membrane waterproof floor.

2.13.2.1 Sleeves in Masonry and Concrete

Provide steel pipe sleeves or schedule 40 PVC plastic pipe sleeves.

Sleeves are not required where drain, waste, and vent (DWV) piping passes through concrete floor slabs located on grade. Core drilling of masonry and concrete may be provided in lieu of pipe sleeves when cavities in the core-drilled hole are completely grouted smooth.

2.13.2.2 Sleeves Not in Masonry and Concrete

Provide 26 gauge galvanized steel sheet or PVC plastic pipe sleeves.

SECTION 22 00 00 Page 16

2.13.3 Pipe Hangers (Supports)

Provide MSS SP-58 Type 1 with adjustable type steel support rods, except as specified or indicated otherwise. Attach to steel joists with Type 19 or 23 clamps and retaining straps. Attach to Steel W or S beams with Type 21, 28, 29, or 30 clamps. Attach to steel angles and vertical web steel channels with Type 20 clamp with beam clamp channel adapter. Attach to horizontal web steel channel and wood with drilled hole on centerline and double nut and washer. Attach to concrete with Type 18 insert or drilled expansion anchor. Provide Type 40 insulation protection shield for insulated piping.

2.13.4 Nameplates

Provide 0.125 inch thick melamine laminated plastic nameplates, black matte finish with white center core, for equipment, gauges, thermometers, and valves; valves in supplies to faucets will not require nameplates.

Accurately align lettering and engrave minimum of 0.25 inch high normal block lettering into the white core. Minimum size of nameplates shall be

1.0 by 2.5 inches. Key nameplates to a chart and schedule for each system. Frame charts and schedules under glass and place where directed near each system. Furnish two copies of each chart and schedule.

PART 3 EXECUTION

3.1 GENERAL INSTALLATION REQUIREMENTS

Piping located in air plenums shall conform to NFPA 90A requirements.

Piping located in shafts that constitute air ducts or that enclose air ducts shall be noncombustible in accordance with NFPA 90A. Installation of plastic pipe where in compliance with NFPA may be installed in accordance with PPFA Fire Man . The plumbing system shall be installed complete with necessary fixtures, fittings, traps, valves, and accessories. Valves shall be installed with control no lower than the valve body.

3.1.1 Water Pipe, Fittings, and Connections

3.1.1.1 Utilities

The piping shall be extended to fixtures, outlets, and equipment. The hot-water and cold-water piping system shall be arranged and installed to permit draining. The supply line to each item of equipment or fixture, except faucets, or other control valves which are supplied with integral stops, shall be equipped with a shutoff valve to enable isolation of the item for repair and maintenance without interfering with operation of other equipment or fixtures. Supply piping to fixtures, faucets, and flushing devices shall be anchored to prevent movement.

3.1.1.2 Cutting and Repairing

The work shall be carefully laid out in advance, and unnecessary cutting of construction shall be avoided. Damage to building, piping, wiring, or equipment as a result of cutting shall be repaired by mechanics skilled in the trade involved.

3.1.1.3 Protection of Fixtures, Materials, and Equipment

Pipe openings shall be closed with caps or plugs during installation.

SECTION 22 00 00 Page 17

Fixtures and equipment shall be tightly covered and protected against dirt, water, chemicals, and mechanical injury. Upon completion of the work, the fixtures, materials, and equipment shall be thoroughly cleaned, adjusted, and operated. Safety guards shall be provided for exposed rotating equipment.

3.1.1.4 Mains, Branches, and Runouts

Piping shall be installed as indicated. Pipe shall be accurately cut and worked into place without springing or forcing. Structural portions of the building shall not be weakened. Aboveground piping shall run parallel with the lines of the building, unless otherwise indicated. Branch pipes from service lines may be taken from top, bottom, or side of main, using crossover fittings required by structural or installation conditions.

Supply pipes, valves, and fittings shall be kept a sufficient distance from other work and other services to permit not less than 1/2 inch between finished covering on the different services. Bare and insulated water lines shall not bear directly against building structural elements so as to transmit sound to the structure or to prevent flexible movement of the lines. Water pipe shall not be buried in or under floors unless specifically indicated or approved. Changes in pipe sizes shall be made with reducing fittings. Use of bushings will not be permitted except for use in situations in which standard factory fabricated components are furnished to accommodate specific accepted installation practice. Change in direction shall be made with fittings, except that bending of pipe 4 inches and smaller will be permitted, provided a pipe bender is used and wide sweep bends are formed. The center-line radius of bends shall be not less than six diameters of the pipe. Bent pipe showing kinks, wrinkles, flattening, or other malformations will not be acceptable.

3.1.1.5 Pipe Drains

Pipe drains indicated shall consist of 3/4 inch hose bibb with renewable seat and full port ball valve ahead of hose bibb. At other low points, 3/4 inch brass plugs or caps shall be provided. Disconnection of the supply piping at the fixture is an acceptable drain.

3.1.1.6 Expansion and Contraction of Piping

Allowance shall be made throughout for expansion and contraction of water pipe. Each hot-water and hot-water circulation riser shall have expansion loops or other provisions such as offsets and changes in direction where indicated and required. Risers shall be securely anchored as required or where indicated to force expansion to loops. Branch connections from risers shall be made with ample swing or offset to avoid undue strain on fittings or short pipe lengths. Horizontal runs of pipe over 50 feet in length shall be anchored to the wall or the supporting construction about midway on the run to force expansion, evenly divided, toward the ends.

Sufficient flexibility shall be provided on branch runouts from mains and risers to provide for expansion and contraction of piping. Flexibility shall be provided by installing one or more turns in the line so that piping will spring enough to allow for expansion without straining.

3.1.1.7 Commercial-Type Water Hammer Arresters

Commercial-type water hammer arresters shall be provided on hot- and cold-water supplies and shall be located as generally indicated, with precise location and sizing to be in accordance with PDI WH 201 . Water hammer arresters, where concealed, shall be accessible by means of access

SECTION 22 00 00 Page 18 doors or removable panels. Commercial-type water hammer arresters shall conform to ASSE 1010 . Vertical capped pipe columns will not be permitted.

3.1.2 Purified Water Piping

Purified water piping shall be routed such there are no dead legs of more than 3d (where d is the pipe internal diameter). System components shall be installed using infrared (IR) butt or bead free fusion by a factory certified and trained installer using manufacturer approved tools and machines.

3.1.3 Compressed Air Piping

Compressed air piping shall be installed as specified for water piping and suitable for 125 psig working pressure. Compressed air piping shall have supply lines and discharge terminals legibly and permanently marked at both ends with the name of the system and the direction of flow.

3.1.4 Joints

Installation of pipe and fittings shall be made in accordance with the manufacturer's recommendations. Mitering of joints for elbows and notching of straight runs of pipe for tees will not be permitted. Joints shall be made up with fittings of compatible material and made for the specific purpose intended.

3.1.4.1 Threaded

Threaded joints shall have American Standard taper pipe threads conforming to ASME B1.20.1 . Only male pipe threads shall be coated with graphite or with an approved graphite compound, or with an inert filler and oil, or shall have a polytetrafluoroethylene tape applied.

3.1.4.2 Unions and Flanges

Unions, flanges and mechanical couplings shall not be concealed in walls, ceilings, or partitions. Unions shall be used on pipe sizes 2-1/2 inches and smaller; flanges shall be used on pipe sizes 3 inches and larger.

3.1.4.3 Copper Tube and Pipe

a. Joints for compressed air, gaseous nitrogen, and vacuum shall be brazed.

b. Brazed. Brazed joints shall be made in conformance with AWS B2.2/B2.2M , ASME B16.50 , and CDA A4015 with flux and are acceptable for all pipe sizes. Copper to copper joints shall include the use of copper-phosphorus or copper-phosphorus-silver brazing metal without flux. Brazing of dissimilar metals (copper to bronze or brass) shall include the use of flux with either a copper-phosphorus, copper-phosphorus-silver or a silver brazing filler metal.

c. Soldered. Soldered joints shall be made with flux and are only acceptable for piping 2 inches and smaller. Soldered joints shall conform to ASME B31.5 and CDA A4015. Soldered joints shall not be used in compressed air piping between the air compressor and the receiver.

d. Copper Tube Extracted Joint. Mechanically extracted joints shall be

SECTION 22 00 00 Page 19 made in accordance with ICC IPC .

e. Press connection. Copper press connections shall be made in strict accordance with the manufacturer's installation instructions for manufactured rated size. The joints shall be pressed using the tool(s) approved by the manufacturer of that joint . Minimum distance between fittings shall be in accordance with the manufacturer's requirements.

3.1.5 Dissimilar Pipe Materials

Connections between ferrous and non-ferrous copper water pipe shall be made with dielectric unions or flange waterways. Dielectric waterways shall have temperature and pressure rating equal to or greater than that specified for the connecting piping. Waterways shall have metal connections on both ends suited to match connecting piping. Dielectric waterways shall be internally lined with an insulator specifically designed to prevent current flow between dissimilar metals. Dielectric flanges shall meet the performance requirements described herein for dielectric waterways. Connecting joints between plastic and metallic pipe shall be made with transition fitting for the specific purpose.

3.1.6 Pipe Sleeves and Flashing

Pipe sleeves shall be furnished and set in their proper and permanent location.

3.1.6.1 Sleeve Requirements

Unless indicated otherwise, provide pipe sleeves meeting the following requirements:

Secure sleeves in position and location during construction. Provide sleeves of sufficient length to pass through entire thickness of walls, ceilings, roofs, and floors.

A modular mechanical type sealing assembly may be installed in lieu of a waterproofing clamping flange and caulking and sealing of annular space between pipe and sleeve.