W912QR21R0033_Specs_Vol2-0000.pdf

Solicitation For Repair Aircraft Arresting System Homestead Air Reserve Base, FL

P2: 478241

Design-Bid-Build

Specifications Vol. 2 of 2 Certified Final Design

18 March 2021

W912QR21R0033

ARIMS: 200A

Disposition: Maintain for 15yrs after construction

W912QR21R0033_Specs_Vol2-0000

P2# 478241 Repair Aircraft Arresting Systems

Homestead ARB, FL

THIS PAGE INTENTIONALLY LEFT BLANK

CERTIFIED FINAL SUBMITTAL

Repair Aircraft Arresting Systems

PROJECT TABLE OF CONTENTS Page 1

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 80 00.00 06 SPECIAL PROVISIONS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 32 01.00 06 PROJECT SCHEDULE

01 33 00.00 06 SUBMITTAL PROCEDURES

01 35 13 SPECIAL PROJECT PROCEDURES

01 35 26.00 06 GOVERNMENT SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00.15 10 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

01 45 04.10 06 CONTRACTOR QUALITY CONTROL

01 45 35 SPECIAL INSPECTIONS

01 46 00.00 06 TOTAL BUILDING COMMISSIONING

01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS

01 57 19.00 06 TEMPORARY ENVIRONMENTAL CONTROLS AND PERMITS

01 74 19 CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL

01 78 23 OPERATION AND MAINTENANCE DATA

DIVISION 02 - EXISTING CONDITIONS

02 41 00 DEMOLITION AND DECONSTRUCTION

02 81 00 TRANSPORTATION AND DISPOSAL OF HAZARDOUS MATERIALS

02 82 00 ASBESTOS REMEDIATION

02 83 13.00 06 LEAD IN CONSTRUCTION

02 84 33 REMOVAL AND DISPOSAL OF POLYCHLORINATED BIPHENYLS (PCBs)

DIVISION 03 - CONCRETE

03 30 00 CAST-IN-PLACE CONCRETE

03 30 53 MISCELLANEOUS CAST-IN-PLACE CONCRETE

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 92 00 JOINT SEALANTS

DIVISION 13 – SPECIAL CONSTRUCTION

13 34 23 FIBERGLASS REINFORCED POLYMER (FRP) SHELTER

DIVISION 22 - PLUMBING

22 00 00 PLUMBING, GENERAL PURPOSE

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

23 05 93 TESTING, ADJUSTING, AND BALANCING FOR HVAC

23 07 00 THERMAL INSULATION FOR MECHANICAL SYSTEMS

23 30 00 HVAC AIR DISTRIBUTION

DIVISION 26 - ELECTRICAL

26 20 00 INTERIOR DISTRIBUTION SYSTEM

26 28 01.00 10 COORDINATED POWER SYSTEM PROTECTION

26 32 15.00 ENGINE-GENERATOR SET STATIONARY 15-2500 KW, WITH

AUXILIARIES

PROJECT TABLE OF CONTENTS Page 2

26 36 23 AUTOMATIC TRANSFER SWITCHES AND BY-PASS/ISOLATION SWITCH

26 41 00 LIGHTNING PROTECTION SYSTEM

26 51 00 INTERIOR LIGHTING

26 56 20 AIRFIELD AND HELIPORT LIGHTING AND VISUAL NAVIGATION AIDS

DIVISION 31 - EARTHWORK

31 00 00.00 06 EARTHWORK

31 05 22.00 06 GEOTEXTILES USED AS FILTERS

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 01 11.51 RUBBER AND PAINT REMOVAL FROM AIRFIELD PAVEMENTS

32 01 19.61 SEALING OF JOINTS IN RIGID PAVEMENT

32 05 33 LANDSCAPE ESTABLISHMENT

32 11 23 AGGREGATE BASE COURSES

32 11 33.13 PORTLAND CEMENT-STABILIZED BASE COURSES

32 12 13 BITUMINOUS TACK AND PRIME COATS

32 12 15.13 ASPHALT PAVING FOR AIRFIELDS

32 13 14.13 CONCRETE PAVING FOR AIRFIELDS AND OTHER HEAVY DUTY

PAVEMENTS

32 17 23 PAVEMENT MARKINGS

32 92 19 SEEDING

DIVISION 33 - UTILITIES

33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION

-- End of Project Table of Contents --

SECTION 13 34 23 Page 1

CERTIFIED FINAL SUBMITTAL

SECTION 13 34 23

FIBERGLASS REINFORCED POLYMER (FRP) SHELTER

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.

ASTM INTERNATIONAL (ASTM)

ASTM E 84

ASTM E 108/ULC S107

ASTM D 638

ASTM D 790

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-01 Product Data

Manufacturer’s Literature; G

Technical Data; G

SD-02 Test Reports

Certified Test Reports; G

SD-03 Certifications

Manufacturer’s Experience; G

Delegated Design; G

Erector / Installer; G

SD-04 Operations and Maintenance Data

Operations & Maintenance Manual; G

1.3 PRODUCT DATA

Include Manufacturer’s Literature and Technical Data.

1.4 TEST RESULTS

The manufacturer shall have an entire fiberglass panel destructive tested by an accredited Testing Laboratory and Third Party Quality Control

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CERTIFIED FINAL SUBMITTAL

Agency and upon request shall furnish to the engineer the certified and stamped test results of the laboratory testing.

The accredited Testing Laboratory must be accredited to ISO 17020 and

17025.

1.5 CERTIFICATES

1.5.1 Erector/Installer:

Not less than 2 years’ experience in the offloading and installation of prefabricated structures.

Submit certification demonstrating the erector/installer experience of not less than 2 years’ experience in the offloading and installation of prefabricated structures.

1.5.2 Manufacturer’s Experience:

Submit manufacturer statement of quality assurance program that is reviewed and approved by a Third Party Quality Control Agency.

1.5.3 Delegated Design:

Submit manufacturer’s certification for the engineer providing design and engineering for the enclosure system. Engineer shall be licensed in the state where the project is located.

Shop Drawings and all calculations shall be sealed and signed by a

Professional Engineer (PE) licensed in the state where the shelter will reside.

1.6 DELIVERY AND STORAGE

Deliver materials to the jobsite in sealed shipping containers, with brand name, date of manufacture, and material designation clearly marked thereon. Label materials in accordance with manufacturer's printed instructions. Prevent exposure to foreign materials.

PART 2 PRODUCTS

2.1 FIBERGLASS REINFORCED POLYMER (FRP) SHELTER

2.1.1 SYSTEM PERFORMANCE. Structural Loading:

2.1.1.1 Shelter: Own dead load.

2.1.1.2 Roof Live Load: As indicated on the drawings or per local building code if not indicated on the drawings.

2.1.1.3 Wind Load: As indicated on the drawings or per local building code if not indicated on the drawings. Per ASCE 7-10

2.1.1.4 Seismic Load: As indicated on the drawings or per local building code if not indicated on the drawings.

2.2 COMPONENTS

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2.2.1 U-BOLTS. Through-wall lifting/tie-down eyes at the top of each corner to facilitate handling.

2.2.2 WALLS. Each wall shall be one single monolithic piece appearance.

Panelized construction not acceptable because connections could fail and leak over time.

2.2.3 CONNECTIONS. Wall panels shall overlap to form a permanent weather-proof connection with a seamless exterior appearance that uses low-maintenance silicone caulk matching the shelter’s exterior color. Internal connections shall use stainless steel hardware spaced no more than 12 inches on center.

2.2.4 EXTERIOR. All exterior surfaces shall have 18-20 mils of manufacturer’s high performance marine grade gel coat, incorporating ultra-violet inhibitors.

2.2.4.1 Color: Orange and White checkerboard.

2.2.5 INTERIOR. All interior surfaces shall be sprayed with 18-20 mils of Polycor 944 high quality isophthalic white gel coat finish offering the same characteristics as the exterior surfaces without ultra-violet inhibitors. Interior surface shall not contain any visible surface-mounted strut or other unsightly channel.

2.2.5.1 Isophthalic gel coat finish properties:

2.2.6 PARTITION WALL.

2.2.6.1 None on this project

2.2.7 BASE FLANGE. Shelter shall have a minimum 4 ¾” interior fiberglass base with minimum 2” flange for mounting to the concrete slab. Pockets which reduce the wall’s full insulation value shall not be accepted.

2.2.7.1 Sealant: Manufacturer’s recommended butyl sealant shall be provided for a weather-proof connection between the shelter and base. Shelter manufacturer shall provide flange pre-drilled with

7/16” diameter holes at optimal intervals determined by the manufacturer but no more than 24 inches on center.

2.2.7.2 Metal frame shall have lifting eyes in number and location required by the manufacturer but not less than 4.

2.2.8 FLOOR. Shelter shall be positioned and anchored to a structural concrete slab & footing. See Structural Drawings.

2.2.9 ROOF. Shelters to have removable roof and attachments to wall components to create a watertight seal construction. Refer to manufacturer’s recommendation.

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2.3 ACCESS

2.3.1 Pedestrian Doors:

2.3.1.1 Pedestrian doors and frames are where located and indicated on the Drawings, shall be made of fiberglass with matching gelcoat to adjacent surfaces.

2.3.1.2 Size as shown on the Drawings.

2.3.1.3 Pedestrian doors shall be hung with stainless steel ball bearing type hinges equipped with tamper-resistant, non-removable pins. Hinges shall be oriented with no fasteners exposed when door is closed.

2.3.1.4 Pedestrian doors shall be sealed with a weather-tight EPDM gasket along the entire perimeter of the door.

2.3.1.5 Pedestrian doors shall have a rain drip molding located above.

2.3.1.6 Where shown on the Drawings, provide one (1) 8’-0” wide x 8’-

0” high double door.

2.3.1.7 Door must be able to be set in ‘open’ position with no hands.

Door shall be able to be removed from ‘open’ position and closed with no hands. Door shall have hydraulic closer to prevent wind damage to door.

2.3.1.8 Closure system shall be a is corrosion resistant stainless steel 3-point, pad-lockable.

2.3.1.9 Threshold shall be ½” tall, low profile aluminum.

2.3.1.10 Door shall be equipped with a window in door and shall be nominal 15 inch x 15 inch, minimum, insulated 2-pane, tempered safety glass, non-opening.

2.3.1.11 Door shall be able to be set in ‘open’ position with no hands. Door must be able to be removed from ‘open’ position and closed with no hands. Door must have hydraulic closer to prevent wind damage to door.

2.3.1.12 Doors shall have proper ADA Lever Action hardware with an

Interchangeable 7-Pin Key Core. Coordinating keying and biting with COR.

2.3.2 Windows:

2.3.2.1 Windows are operable horizontal sliding windows located on the drawings and be weathertight around perimeter.

2.4 PENETRATIONS

2.4.1 Provide circular or rectangular leave out areas where cuts for wall penetrations can be cut through wall or ceiling without exposing the core foam material thereby guaranteeing a weatherproof penetration for the life of the structure.

2.4.2 Refer to Mechanical, Electrical and Plumbing Drawings for wall penetration requirements.

2.4.3 All penetrations shall be sealed air and watertight after installation of Mechanical Electrical and Plumbing system components.

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CERTIFIED FINAL SUBMITTAL

2.5 ELECTRICAL

2.5.1 DISCONNECT. Provide as indicated in the Drawings or if not indicated provide NEMA device to accommodate the electrical requirements.

2.5.2 TRANSFORMER. Provide as indicated in the Drawings or if not indicated provide NEMA device to accommodate the electrical requirements.

2.5.3 TERMINATION. Provide as indicated in the Drawings or if not indicated provide terminations in to accommodate the electrical requirements including junction box, phase load center with 100 amp main breaker and at least 10 breaker slots.

2.5.4 RECEPTACLES: Provide GFCI duplex each with weather-proof-when-not-in-use cover. Locate duplex and outlets as indicated on the Electrical Drawings.

2.5.5 RADIO ANTENNA: Provide GFCI duplex for antenna.

2.5.6.1 Coordinate location of radio antenna with HARB.

2.6 WIRING

2.6.1 Conduit shall be installed around the interior perimeter of the shelter, along the top of the wall. All conduit and fittings shall be UL Listed.

2.6.1.1 Refer to Electrical Drawings for conduit type requirements.

2.6.2 Conduit and wiring shall be installed in accordance with the most recent National Electric Code (NEC).

2.6.3 Wiring shall not be loaded above 140o F (60º C) temperature rating.

2.7 ILLUMINATION

2.7.1 Refer to Electrical Drawings for general and emergency lighting requirements.

2.8 AVIATION WARNING LIGHTS

2.8.1 Refer to Electrical Drawings for general requirements and mounting requirements.

2.9 LIGHTNING PROTECTION

2.9.1 Refer to Electrical Drawings for requirements.

2.9.2 Coordinate locations of lightning protection staffs cabling and attachments methods.

2.10 HVAC CONNECTIONS

2.10.1 Refer to Mechanical Drawings for requirements.

2.10.2 Provide wall-openings for supply ductwork entry, return ductwork and condensate pipes.

2.10.2.1 Refer to Mechanical Drawings for duct opening size requirement including insulated ducts.

2.10.2.2 Ventilation through-wall openings shall be protected from the elements with a weather-tight fiberglass hood the same color as the shelter itself.

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CERTIFIED FINAL SUBMITTAL

2.10.2.3 Condensate pipe openings shall be 1-1/2" inch diameter, the same color as the shelter itself.

2.11 MATERIALS

2.11.1 Walls, roof, windows, and doors shall be seamless, one-piece panels laminated with 1/8" thick sprayed fiberglass outside surface, core material, and 1/8” thick sprayed fiberglass inside surface. Walls, roof and doors shall have continuous internal structural beam laminations

(floor to ceiling and top-of-wall to ridge) every 12” maximum to permanently bond inner FRP surface with outer FRP surface to provide structural integrity and prevent de-lamination of the fiberglass from the core material.

2.11.2 Walls and roof shall have minimum R-24 insulation with core consisting of minimum 4” thick foam.

2.11.3 The shelter shall comply with requirements of the IBC.

2.11.3.1 Provide a minimum 19/32 inch marine grade plywood

encapsulation within interior surface of all walls, roof and doors.

2.11.3.2 Provide a minimum 19/32 inch marine grade plywood

encapsulation within interior surface of all walls for wall mounted equipment.

2.11.4 All interior components shall be corrosion resistant.

PART 3 EXECUTION

3.1 EXAMINATION

3.1.1 Investigate site, including soils, to determine effect on proposed shelter.

3.1.2 Review concrete work to determine effect on proposed shelter installation.

3.1.3 Do not start installation until deficiencies, if any, are corrected.

3.2 PREPARATION

3.2.1 Confirm the concrete slab is installed true and level to a maximum surface variance of 3/16” where the shelter interfaces with the slab.

3.3 ERECTION

3.3.1 At the time of installation, the slab shall be clean and dry.

3.3.2 Follow written offloading and installation instructions provided by shelter manufacturer.

3.3.3 Contractor shall provide any required expansion anchors.

3.3.3.1 Expansion Anchors shall be Type 316 stainless steel anchors.

3.3.4 Install and make final electrical connections to all equipment shipped loose with water-tight flexible conduit and fittings.

3.4 HVAC

3.4.1 Refer to Mechanical drawings for requirements.

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CERTIFIED FINAL SUBMITTAL

3.5 ELECTRICAL SYSTEMS

3.5.1 Refer to Electrical drawings for requirements.

3.5.2 Wire per latest version of National Electric Code (NEC).

3.6 FIELD QUALITY CONTROL

3.6.1 Shelter installer to provide on-going installation quality control during installation.

3.7 CLEANING/ADJUSTING

3.7.1 Contractor to provide cleaning and adjusting prior to Substantial Completion.

3.8 OPERATION AND MAINTENANCE

3.8.1 Submit six manuals at least 2 weeks prior to field training. Submit data complying with the requirements specified in Section 01 78 23 OPERATION

AND MAINTENANCE DATA. Submit Data Package 3 for the items/units listed under SD-10 Operation and Maintenance Data

-- End of Section --

SECTION 13 34 23 Page 8

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

ASME B16.39 (2020) Standard for Malleable Iron Threaded Pipe Unions; Classes 150, 250, and 300

ASME B31.1 (2018) Power Piping

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

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

ASME BPVC SEC VIII D1 (2017) BPVC Section VIII-Rules for Construction of Pressure Vessels Division 1

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA B300 (2010; Addenda 2011) Hypochlorites

AWWA C203 (2008) Coal-Tar Protective Coatings and Linings for Steel Water Pipelines - Enamel and Tape - Hot-Applied

AWWA C606 (2015) Grooved and Shouldered Joints

AMERICAN WELDING SOCIETY (AWS)

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

ASTM INTERNATIONAL (ASTM)

ASTM A47/A47M (1999; R 2018; E 2018) Standard

SECTION 22 00 00 Page 1

Specification for Ferritic Malleable Iron Castings

ASTM A53/A53M (2018) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A105/A105M (2018) Standard Specification for Carbon Steel Forgings for Piping Applications

ASTM A183 (2014) Standard Specification for Carbon Steel Track Bolts and Nuts

ASTM A193/A193M (2019) 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 A536 (1984; R 2014) Standard Specification for Ductile Iron Castings

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 B117 (2016) Standard Practice for Operating Salt Spray (Fog) Apparatus

ASTM C564 (2014) Standard Specification for Rubber Gaskets for Cast Iron Soil Pipe and Fittings

ASTM C920 (2018) Standard Specification for Elastomeric Joint Sealants

ASTM D1785 (2015; E 2018) Standard Specification for Poly(Vinyl Chloride) (PVC), Plastic Pipe, Schedules 40, 80, and 120

ASTM D2000 (2018) Standard Classification System for Rubber Products in Automotive Applications

ASTM D2239 (2012) Standard Specification for Polyethylene (PE) Plastic Pipe (SIDR-PR) Based on Controlled Inside Diameter

ASTM D2241 (2015) Standard Specification for

SECTION 22 00 00 Page 2

Poly(Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR Series)

ASTM D2464 (2015) Standard Specification for Threaded Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80

ASTM D2466 (2017) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40

ASTM D2467 (2015) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80

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 D2672 (2014) Joints for IPS PVC Pipe Using Solvent Cement

ASTM D2683 (2014) Standard Specification for Socket-Type Polyethylene Fittings for Outside Diameter-Controlled Polyethylene Pipe and Tubing

ASTM D2737 (2012a) Polyethylene (PE) Plastic Tubing

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

ASTM D3035 (2015) Polyethylene (PE) Plastic Pipe (DR-PR) Based on Controlled Outside Diameter

ASTM D3138 (2004; R 2016) Standard Specification for Solvent Cements for Transition Joints Between Acrylonitrile-Butadiene-Styrene (ABS) and Poly(Vinyl Chloride) (PVC) Non-Pressure Piping Components

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

ASTM D3212 (2007; R 2020) Standard Specification for Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric Seals

ASTM D3261 (2016) Standard Specification for Butt Heat Fusion Polyethylene (PE) Plastic Fittings for Polyethylene (PE) Plastic Pipe and Tubing

SECTION 22 00 00 Page 3

ASTM F477 (2014) 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) 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

INTERNATIONAL CODE COUNCIL (ICC)

ICC IPC (2018) International Plumbing Code

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-44 (2017) Steel Pipeline Flanges

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

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

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2018) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA MG 1 (2018) Motors and Generators

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

NSF INTERNATIONAL (NSF)

NSF/ANSI 14 (2019) Plastics Piping System Components

SECTION 22 00 00 Page 4 and Related Materials

PLASTIC PIPE AND FITTINGS ASSOCIATION (PPFA)

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

SOCIETY OF AUTOMOTIVE ENGINEERS INTERNATIONAL (SAE)

SAE J1508 (2009) Hose Clamp Specifications

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.

SD-03 Product Data

Pumps; G

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

SECTION 22 00 00 Page 5

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.

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

Plumbing System ; G

Submit in accordance with Section 01 78 23 OPERATION AND

MAINTENANCE DATA.

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 6000 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

SECTION 22 00 00 Page 6 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 "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 .

SECTION 22 00 00 Page 7

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.

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 . Grooved pipe couplings and fittings shall be from the same manufacturer. 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 . 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. Hubless cast-iron soil pipe shall not be installed underground, under concrete floor slabs, or in crawl spaces below kitchen floors. Plastic pipe shall not be installed in a pressure piping system in buildings

SECTION 22 00 00 Page 8 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 Steel Pipe: AWWA C606.

b. Couplings for Grooved Pipe: Ductile Iron ASTM A536 (Grade 65-45-12) .

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

h. Rubber Gaskets for Cast-Iron Soil-Pipe and Fittings (hub and spigot type and hubless type): ASTM C564.

i . Rubber Gaskets for Grooved Pipe: ASTM D2000, maximum temperature 230 degrees F .

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

k. Bolts and Nuts for Grooved Pipe Couplings: Heat-treated carbon steel, ASTM A183.

l . Solvent Cement for Transition Joints between ABS and PVC Nonpressure Piping Components: ASTM D3138.

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

n. 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 .

SECTION 22 00 00 Page 9

o. Plastic Solvent Cement for Styrene Rubber Plastic Pipe: ASTM D3122.

p. Heat-fusion joints for polypropylene piping: ASTM F2389.

2.1.2 Miscellaneous Materials

Miscellaneous materials shall conform to the following:

a. Hose Clamps: SAE J1508 .

b. 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.

c. Coal-Tar Protective Coatings and Linings for Steel Water Pipelines:

AWWA C203.

d. Hypochlorites: AWWA B300.

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

ASME B40.100 .

f . 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 .

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. 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

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

SECTION 22 00 00 Page 10

2.4 PUMPS

2.4.1 Sump Pumps

Sump pumps shall be of capacities indicated. The pumps shall be of the automatic, electric motor-driven, submerged type, complete with necessary control equipment and with a split or solid cast-iron or steel cover plate. The pumps shall be direct-connected by an approved flexible coupling to a vertical electric motor having a continuous oiling device or packed bearings sealed against dirt and moisture. Motors shall be totally enclosed, fan-cooled of sizes as indicated and shall be equipped with an across-the-line magnetic controller in a NEMA 250, Type 1 enclosure.

Integral size motors shall be the premium efficiency type in accordance with NEMA MG 1. Each pump shall be fitted with a high-grade thrust bearing mounted above the floor. Each shaft shall have an alignment bearing at each end, and the suction inlet shall be between 3 and 6 inches above the sump bottom. The suction side of each pump shall have a strainer of ample capacity. A float switch assembly, with the switch completely enclosed in a NEMA 250, Type 1 enclosure, shall start and stop each motor at predetermined water levels. Duplex pumps shall be equipped with an automatic alternator to change the lead operation from one pump to the other, and for starting the second pump if the flow exceeds the capacity of the first pump. The discharge line from each pump shall be provided with a union or flange, a nonclog swing check valve, and a stop valve in an accessible location near the pump.

2.5 COMPRESSED AIR SYSTEM

2.5.1 Air Compressors

Air compressor unit shall be a factory-packaged assembly, including 3 phase, 460 volt motor controls, switches, wiring, accessories, and motor controllers, in a NEMA 250, Type 1 enclosure. Tank-mounted air compressors shall be manufactured to comply with UL listing requirements.

Air compressors shall have manufacturer's name and address, together with trade name, and catalog number on a nameplate securely attached to the equipment. Each compressor shall start and stop automatically at upper and lower pressure limits of the system . Guards shall shield exposed moving parts. Each duplex compressor system shall be provided with automatic alternation system. Each compressor motor shall be provided with an across-the-line-type magnetic controller, complete with low-voltage release. An intake air filter and silencer shall be provided with each compressor. Aftercooler and moisture separator shall be installed between compressors and air receiver to remove moisture and oil condensate before the air enters the receiver. Aftercoolers shall be either air- or water-cooled, as indicated. The air shall pass through a sufficient number of tubes to affect cooling. Tubes shall be sized to give maximum heat transfer. Water to unit shall be controlled by a solenoid or pneumatic valve, which opens when the compressors start and closes when the compressors shut down. Cooling capacity of the aftercooler shall be sized for the total capacity of the compressors.

Means shall be provided for draining condensed moisture from the receiver by an automatic float type trap. Capacities of air compressors and receivers shall be as indicated.

2.5.2 Lubricated Compressors

Compressors shall be two-stage, V-belt drive, capable of operating continuously against their designed discharge pressure, and shall operate

SECTION 22 00 00 Page 11 at a speed not in excess of 1800 rpm. Compressors shall have the capacity and discharge pressure indicated. Compressors shall be assembled complete on a common subbase. The compressor main bearings shall be either roller or ball. The discharge passage of the high pressure air shall be piped to the air receiver with a copper pipe or tubing. A pressure gauge calibrated to 150 psi and equipped with a gauge cock and pulsation dampener shall be furnished for installation adjacent to pressure switches.

2.5.3 Air Receivers

Receivers shall be designed for 200 psi working pressure. Receivers shall be factory air tested to 1-1/2 times the working pressure. Receivers shall be equipped with safety relief valves and accessories, including pressure gauges and automatic and manual drains. The outside of air receivers may be galvanized or supplied with commercial enamel finish.

Receivers shall be designed and constructed in accordance with ASME BPVC SEC VIII D1 and shall have the design working pressures specified herein. A display of the ASME seal on the receiver or a certified test report from an approved independent testing laboratory indicating conformance to the ASME Code shall be provided.

2.5.4 Intake Air Supply Filter

Dry type air filter shall be provided having a collection efficiency of 99 percent of particles larger than 10 microns. Filter body and media shall withstand a maximum 125 psi , capacity as indicated.

2.5.5 Pressure Regulators

The air system shall be provided with the necessary regulator valves to maintain the desired pressure for the installed equipment. Regulators shall be designed for a maximum inlet pressure of 125 psi and a maximum temperature of 200 degrees F . Regulators shall be single-seated, pilot-operated with valve plug, bronze 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 differential from 0 to 125 psi . Regulator shall be sized as indicated.

2.6 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 efficiency type, single-phase, fractional-horsepower alternating-current 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

SECTION 22 00 00 Page 12 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.

2.7 MISCELLANEOUS PIPING ITEMS

2.7.1 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.

2.7.2 Pipe Sleeves

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

2.7.2.1 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.

2.7.2.2 Sleeves Not in Masonry and Concrete

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

2.7.3 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.

2.7.4 Nameplates

Provide 0.125 inch thick melamine laminated plastic nameplates, black matte finish with white center core, for equipment, gages, thermometers, SECTION 22 00 00 Page 13 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.

2.7.5 Labels

Provide labels for sensor operators at flush valves and faucets. Include the following information on each label:

a. Identification of the sensor and its operation with written description.

b. Range of the sensor.

c. Battery replacement schedule.

PART 3 EXECUTION

3.1 GENERAL INSTALLATION REQUIREMENTS

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. Water and drainage piping shall be extended 5 feet outside the building, unless otherwise indicated. A ball valve and drain shall be installed on the water service line inside the building approximately 6 inches above the floor from point of entry. Piping shall be connected to the exterior service lines or capped or plugged if the exterior service is not in place. Sewer and water pipes shall be laid in separate trenches, except when otherwise shown. Exterior underground utilities shall be at least 12 inches below the finish grade or as indicated on the drawings.

If trenches are closed or the pipes are otherwise covered before being connected to the service lines, the location of the end of each plumbing utility shall be marked with a stake or other acceptable means. 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, flush valves, 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, hydrants, shower heads, 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.

SECTION 22 00 00 Page 14

3.1.1.3 Protection of Fixtures, Materials, and Equipment

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

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 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…