Specifications VOL 2_2023 06 30 21085.pdf

Tower Pinkster Titus Associates, Inc.

242 East Kalamazoo Avenue, Suite 200, Kalamazoo, MI 49007-5828

4 East Fulton Street, Suite200, Grand Rapids, MI 49503

MIDLAND ARMORY ADDITION &

REMODELING

PHASE 500 – PROJECT MANUAL

6/30/2023

OWNER

DEPARTMENT OF MILITARY AND VETERAN'S AFFAIRS

Project Location 2300 Airport Road

Midland, MI 48642

PROJECT NUMBER

Architect’s Project No. 21139.00 State File No. 511/21085.MAA

State Index No. n/a DMVA Project No. 26C1020004

SET NUMBER

VOLUME NUMBER 2

Divisions 21 Through 33

This page intentionally left blank.

PROJECT NO. 21139.00 TABLE OF CONTENTS

MIDLAND ARMORY ADDITION & REMODELING 00 0110 - 1

DEPARTMENT OF MILITARY AND VETERAN'S AFFAIRS 6/30/2023

[Copyright] 2023 Tower Pinkster Titus Associates - All Rights Reserved

TABLE OF CONTENTS

DIVISION 00 — PROCUREMENT AND CONTRACTING REQUIREMENTS

00 3100 - AVAILABLE PROJECT INFORMATION

00 3100.1 - GEOTECHNICAL REPORT

00 3100.2 - STORM WATER PERMIT

00 3100.3 - STORM WATER CERTIFICATE

00 3100.4 - STORM WATER CERTIFICATE - EXTENSION

DIVISION 02 — EXISTING CONDITIONS

02 4119 - SELECTIVE DEMOLITION

DIVISION 03 — CONCRETE

03 3000 - CAST-IN-PLACE CONCRETE

03 6000 - POST INSTALLED ANCHORS

DIVISION 04 — MASONRY

04 2000 - UNIT MASONRY

DIVISION 05 — METALS

05 1200 - STRUCTURAL STEEL FRAMING

05 3100 - STEEL DECKING

05 4000 - COLD-FORMED METAL FRAMING

05 5213 - PIPE AND TUBE RAILINGS

DIVISION 06 — WOOD, PLASTICS, AND COMPOSITES

06 1000 - ROUGH CARPENTRY

06 1600 - SHEATHING

06 4116 - PLASTIC-LAMINATE-FACED ARCHITECTURAL CABINETS

06 6116 - SOLID SURFACING FABRICATIONS

DIVISION 07 — THERMAL AND MOISTURE PROTECTION

07 2100 - THERMAL INSULATION

07 2119 - FOAMED-IN-PLACE INSULATION

07 2413 - POLYMER-BASED EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)

07 5323 - ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING

07 7100 - ROOF SPECIALTIES

07 8413 - PENETRATION FIRESTOPPING

07 8443 - JOINT FIRESTOPPING

07 9200 - JOINT SEALANTS

MIDLAND ARMORY ADDITION & REMODELING 00 0110 - 2

07 9219 - ACOUSTICAL JOINT SEALANTS

DIVISION 08 — OPENINGS

08 0671 - DOOR HARDWARE SCHEDULE

08 1113 - HOLLOW METAL DOORS AND FRAMES

08 1113.00- HOLLOW METAL DOORS AND FRAMES

08 3113 - ACCESS DOORS AND FRAMES

08 3613 - SECTIONAL DOORS

08 4113 - ALUMINUM-FRAMED ENTRANCES AND STOREFRONTS

08 7100 - DOOR HARDWARE

08 8000 - GLAZING

08 8813 - FIRE-RATED GLAZING

DIVISION 09 — FINISHES

09 2216 - NON-STRUCTURAL METAL FRAMING

09 2400 - CEMENT PLASTERING

09 2900 - GYPSUM BOARD

09 3000 - TILING

09 5113 - ACOUSTICAL PANEL CEILINGS

09 6500 - RESILIENT FLOORING

09 6513 - RESILIENT BASE AND ACCESSORIES

09 6566 - RESILIENT ATHLETIC FLOORING

09 6813 - TILE CARPETING

09 9114 - EXTERIOR PAINTING

09 9123 - INTERIOR PAINTING

09 9600 - HIGH-PERFORMANCE COATINGS

DIVISION 10 — SPECIALTIES

10 1453 - TRAFFIC SIGNAGE

10 2113.19 - PLASTIC TOILET COMPARTMENTS

10 2213 - WIRE MESH PARTITIONS

10 2800 - TOILET, BATH, AND LAUNDRY ACCESSORIES

10 4413 - FIRE PROTECTION CABINETS

10 4416 - FIRE EXTINGUISHERS

10 5113 - METAL LOCKERS

DIVISION 12 — FURNISHINGS

12 2413 - ROLLER WINDOW SHADES

12 3661.16 - SOLID SURFACING COUNTERTOPS

DIVISION 22 — PLUMBING

22 0500 - COMMON WORK RESULTS FOR PLUMBING

22 0523 - GENERAL DUTY VALVES FOR PLUMBING PIPING (2 and smaller)

MIDLAND ARMORY ADDITION & REMODELING 00 0110 - 3

22 0529 - HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

22 0553 - IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT

22 0700 - PLUMBING INSULATION

22 1116 - DOMESTIC WATER PIPING

22 1119 - DOMESTIC WATER PIPING SPECIALTIES

22 1316 - SANITARY WASTE AND VENT PIPING

22 1319 - SANITARY WASTE PIPING SPECIALTIES

22 1413 - FACILITY STORM DRAINAGE PIPING

22 1423 - STORM DRAINAGE PIPING SPECIALTIES

22 4000 - PLUMBING FIXTURES

DIVISION 23 — HEATING VENTILATING AND AIR CONDITIONING

23 0500 - COMMON WORK RESULTS FOR HVAC

23 0513 - COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT

23 0519 - METERS AND GAGES FOR HVAC PIPING

23 0523 - GENERAL DUTY VALVES FOR HVAC PIPING

23 0529 - HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT

23 0553 - IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT

23 0593 - TESTING, ADJUSTING, AND BALANCING FOR HVAC

23 0700 - HVAC INSULATION

23 0900 - HVAC INSTRUMENTATION AND CONTROLS

23 2113 - HYDRONIC PIPING

23 2123 - HYDRONIC PUMPS

23 3113 - METAL DUCTS

23 3300 - AIR DUCT ACCESSORIES

23 3713 - DIFFUSERS, REGISTERS, AND GRILLES

23 7200 - AIR-TO-AIR ENERGY RECOVERY EQUIPMENT

23 7413 - PACKAGED, OUTDOOR, CENTRAL-STATION AIR-HANDLING UNITS

23 8126 - SPLIT SYSTEM AIR CONDITIONERS

23 8233 - CONVECTORS

DIVISION 26 — ELECTRICAL

26 0500 - COMMON WORK RESULTS FOR ELECTRICAL

26 0519 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

26 0526 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

26 0529 - HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

26 0533 - RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS

26 0536 - CABLE TRAYS FOR ELECTRICAL SYSTEMS

26 0544 - SLEEVES AND SLEEVE SEALS FOR ELECTRICAL RACEWAYS AND CABLING

26 0553 - IDENTIFICATION FOR ELECTRICAL SYSTEMS

26 0573 - COORDINATION STUDIES

26 0573 - SHORT-CIRCUIT STUDIES

26 0574 - OVERCURRENT PROTECTIVE DEVICE ARC-FLASH STUDY

26 0800 - MINIMUM COMMISSIONING OF ELECTRICAL SYSTEMS

26 0923 - LIGHTING CONTROL DEVICES

26 2416 - PANELBOARDS

26 2726 - WIRING DEVICES

MIDLAND ARMORY ADDITION & REMODELING 00 0110 - 4

26 2813 - FUSES

26 2816 - ENCLOSED SWITCHES AND CIRCUIT BREAKERS

26 2913 - ENCLOSED CONTROLLERS

26 4313 - SURGE PROTECTION FOR LOW-VOLTAGE ELECTRICAL POWER CIRCUITS

26 5100 - INTERIOR LIGHTING

26 5600 - EXTERIOR LIGHTING

DIVISION 27 — COMMUNICATIONS

27 0500 - COMMON WORK RESULTS FOR COMMUNICATIONS

27 0526 - GROUNDING AND BONDING FOR COMMUNICATIONS SYSTEMS

27 0528 - PATHWAYS FOR COMMUNICATIONS SYSTEMS

27 0536.10 - TELECOMMUNICATION ROOMS CABLE SUPPORT

27 0553 - IDENTIFICATION FOR COMMUNICATIONS SYSTEMS

27 1100 - COMMUNICATIONS EQUIPMENT ROOM FITTINGS

27 1313 - COMMUNICATIONS COPPER BACKBONE CABLING

27 1323 - COMMUNICATIONS OPTICAL FIBER BACKBONE CABLING

27 1333 - COMMUNICATIONS COAXIAL BACKBONE CABLING

27 1513 - COMMUNICATIONS COPPER HORIZONTAL CABLING

27 1533 - COMMUNICATIONS COAXIAL HORIZONTAL CABLING

27 1700 - TESTING, ID AND ADMIN OF BALANCED TWISTED PAIR INFRASTRUCTURE

27 1800 - TESTING, ID AND ADMIN OF FIBER INFRASTRUCTURE

27 4116 - INTEGRATED AUDIO VIDEO SYSTEMS AND EQUIPMENT

DIVISION 28 — ELECTRONIC SAFETY AND SECURITY

28 3100 - FIRE DETECTION AND ALARM

DIVISION 31 — EARTHWORK

31 1000 - Site Clearing 31 2000 - Earth Moving 31 2319 - Dewatering

DIVISION 32 — EXTERIOR IMPROVEMENTS

32 1216 - Asphalt Paving 32 1313 - Concrete Paving 32 1373 - Joint sealants

32 3113 - CHAIN LINK FENCES AND GATES

32 3223 - SEGMENTAL RETAINING WALLS

32 3300 - SITE FURNISHINGS

32 9200 - TURF AND GRASSES

DIVISION 33 — UTILITIES

33 0100 - Excavating 33 4100 - Storm

MIDLAND ARMORY ADDITION & REMODELING 00 0110 - 5

33 4600 - Subdrainage

PROJECT NO. 21139.00 COMMON WORK RESULTS FOR PLUMBING

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 1

SECTION 22 0500 - COMMON WORK RESULTS FOR PLUMBING

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Piping materials and installation instructions common to most piping systems.

2. Dielectric fittings.

3. Sleeve-seal systems.

4. Sleeves.

5. Escutcheons.

6. Grout.

7. Plumbing demolition.

8. Supports and anchorages.

1.2 ACTION SUBMITTALS

A. Product Data: For dielectric fittings.

1.3 QUALITY ASSURANCE

A. Provide plumbing systems, equipment, and materials in accordance with applicable codes and regulations, and with authorities having jurisdiction.

B. Steel Support Welding: Qualify processes and operators according to AWS D1.1, "Structural Welding Code--Steel."

C. Electrical Characteristics for Plumbing Equipment: Equipment of higher electrical characteristics may be furnished provided such proposed equipment is approved in writing and connecting electrical services, circuit breakers, and conduit sizes are appropriately modified. If minimum energy ratings or efficiencies are specified, equipment shall comply with requirements.

1.4 DELIVERY, STORAGE, AND HANDLING

A. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and to prevent entrance of dirt, debris, and moisture.

B. Store plastic pipes protected from direct sunlight. Support to prevent sagging and bending.

C. Deliver products to project properly identified with names, model numbers, types, grades, compliance labels, and similar information needed for distinct identifications; adequately packaged and protected to prevent damage during shipment, storage, handling, and up to substantial completion. Coordinate deliveries of mechanical materials and equipment to minimize construction site congestion.

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 2

1.5 COORDINATION

A. Arrange for pipe spaces, chases, slots, and openings in building structure during progress of construction, to allow for plumbing installations.

B. Coordinate installation of required supporting devices and sleeves in structural components.

C. Coordinate requirements for access panels and doors for plumbing items requiring access that are concealed behind finished surfaces. Access panels and doors are specified in Division 08 Section "Access Doors and Frames."

1.6 PROJECT COMMISSIONING

A. Project is attempting to obtain Leed Certification and has an independent commissioning authority (CxA).

Contractors for this project shall meet CxA requirements and shall coordinate with and participate in commissioning activities.

PART 2 - PRODUCTS

2.1 PIPE, TUBE, AND FITTINGS

A. Refer to individual Division 22 piping Sections for pipe, tube, and fitting materials and joining methods.

B. Pipe Threads: ASME B1.20.1 for factory-threaded pipe and pipe fittings.

2.2 JOINING MATERIALS

A. Refer to individual Division 22 piping Sections for special joining materials not listed below.

B. Solder Filler Metals: ASTM B 32, lead-free alloys. Include water-flushable flux according to ASTM B 813.

C. Brazing Filler Metals: AWS A5.8, BCuP Series, copper-phosphorus alloys for general-duty brazing, unless otherwise indicated; and AWS A5.8, BAg1, silver alloy for refrigerant piping, unless otherwise indicated.

D. Solvent Cements for Joining Plastic Piping:

1. PVC Piping: ASTM D 2564. Include primer according to ASTM F 656.

2.3 DIELECTRIC FITTINGS

A. Description: Combination fitting of copper alloy and ferrous materials with threaded end connections that match piping system materials.

1. Insulating Material: Suitable for system fluid, pressure, and temperature.

B. Dielectric Unions: Factory-fabricated, union assembly, for 250-psig(1725-kPa) minimum working pressure at 180 deg F(82 deg C) with threaded end connections.

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 3

C. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 300-psig(2070-kPa) minimum working pressure at 225 deg F(107 deg C).

D. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining; threaded ends; and 300-psig(2070-kPa) minimum working pressure at 225 deg F(107 deg C).

2.4 SLEEVE-SEAL SYSTEMS

A. Description: Modular sealing-element unit, designed for field assembly, for filling annular space between piping and sleeve.

1. Sealing Elements: EPDM-rubber interlocking links shaped to fit surface of pipe. Include type and number required for pipe material and size of pipe.

2. Pressure Plates: Plastic.

3. Connecting Bolts and Nuts: Carbon steel, with corrosion-resistant coating, of length required to secure pressure plates to sealing elements.

2.5 SLEEVES

A. Cast-Iron Wall Pipes: Cast or fabricated of cast or ductile iron and equivalent to ductile-iron pressure pipe, with plain ends and integral waterstop unless otherwise indicated.

B. Galvanized-Steel-Pipe Sleeves: ASTM A 53/A 53M, Type E, Grade B, Schedule 40, zinc coated, with plain ends.

2.6 ESCUTCHEONS

A. Description: Manufactured wall and ceiling escutcheons with an ID to closely fit around pipe, tube, and insulation of insulated piping and an OD that completely covers opening.

B. One-Piece, Cast-Brass Type: With polished, chrome-plated or rough-brass finish and setscrew fastener.

C. One-Piece, Deep-Pattern Type: Deep-drawn, box-shaped brass with chrome-plated finish and spring-clip fasteners.

D. One-Piece, Stamped-Steel Type: With chrome-plated finish and spring-clip fasteners.

E. Split-Casting Brass Type: With polished, chrome-plated or rough-brass finish and with concealed hinge and setscrew.

F. Split-Plate, Stamped-Steel Type: With chrome-plated finish, concealed or exposed-rivet hinge, and spring-clip fasteners.

2.7 GROUT

A. Standard: ASTM C 1107/C 1107M, Grade B, post-hardening and volume-adjusting, dry, hydraulic-cement grout.

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 4

B. Characteristics: Nonshrink; recommended for interior and exterior applications.

C. Design Mix: 5000-psi (34.5-MPa), 28-day compressive strength.

D. Packaging: Premixed and factory packaged.

2.8 PLUMBING ROOF PENETRATIONS

A. Pipe Curbs for Single or Multiple Pipe Penetrations: Prefabricated heavy-gage galvanized steel or aluminum curb with mitered and welded corners, minimum 1 1/2 inch thick rigid fiberglass insulation adhered to inside walls, built-in cant and mounting flange for roof decks, wood nailer, and acrylic clad ABS plastic cover(s), PVC boot(s), and stainless steel clamps.. Size as required to suit roof opening and piping. Overall minimum height shall be 12 inches above roof insulation. Pate or equivalent.

1. Provide curbs with level tops and bottoms to match roof slope.

B. Pipe Curbs for Single Pipe Penetrations: All roof pipe penetrations up to 10" O.D. shall be flashed and sealed using a Pate or equivalent pipe seal, consisting of a spun aluminum base having a minimum five inch roof surface flange, a stepped polyvinyl chloride boot to be secured to the base and the pipe with adjustable stainless steel clamps as furnished.

1. Provide curbs with bottoms to match roof slope.

PART 3 - EXECUTION

3.1 PLUMBING DEMOLITION

A. Refer to Division 01 Section "Execution" and Division 02 Section "Selective Demolition" for general demolition requirements and procedures.

B. Disconnect, demolish, and remove plumbing systems, equipment, and components indicated to be removed.

1. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

2. Piping to Be Abandoned in Place: Drain piping and cap or plug piping with same or compatible piping material.

3. Equipment to Be Removed: Disconnect and cap services and remove equipment.

4. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.

5. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Owner.

C. If pipe, insulation, or equipment to remain is damaged in appearance or is unserviceable, remove damaged or unserviceable portions and replace with new products of equal capacity and quality.

D. During domestic water demolition, eliminate all “dead-leg” sections.

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 5

3.2 PIPING SYSTEMS - COMMON REQUIREMENTS

A. Install piping according to the following requirements and Division 22 Sections specifying piping systems.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems.

Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.

1. Drawings are diagrammatic with no attempt made to show every ell, tee, transition, fitting, or appurtenance. Provide installations that are complete in every detail, compliant with all applicable codes, and as required to provide a fully functional and operational system even though every item is not specifically indicated.

C. Install piping in concealed locations, unless otherwise indicated and except in equipment rooms and service areas.

D. Install piping at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise.

E. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal.

F. Install piping to permit valve servicing.

G. Install piping at indicated slopes.

H. Install piping free of sags and bends.

I. Install fittings for changes in direction and branch connections.

J. Install piping to allow application of insulation.

K. Select system components with pressure rating equal to or greater than system operating pressure.

3.3 ESCUTCHEON INSTALLATION

A. Install escutcheons for penetrations of walls, ceilings, and finished floors according to the following:

1. Escutcheons for New Piping:

a. Piping with Fitting or Sleeve Protruding from Wall: One-piece, deep-pattern type.

b. Chrome-Plated Piping: One-piece, cast-brass or split-casting brass type with polished, chrome-plated finish.

c. Insulated Piping: One-piece, stamped-steel type or split-plate, stamped-steel type with concealed hinge.

d. Bare Piping at Wall and Floor Penetrations in Finished Spaces: One-piece, cast-brass or split-casting brass type with polished, chrome-plated finish.

e. Bare Piping at Ceiling Penetrations in Finished Spaces: One-piece, cast-brass or split-casting brass type with polished, chrome-plated finish.

f. Bare Piping in Unfinished Service Spaces: One-piece, cast-brass or split-casting brass type with polished, chrome-plated or rough-brass finish.

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 6

g. Bare Piping in Equipment Rooms: One-piece, cast-brass or split-casting brass type with polished, chrome-plated or rough-brass finish.

2. Escutcheons for Existing Piping:

a. Chrome-Plated Piping: Split-casting brass type with polished, chrome-plated finish.

b. Insulated Piping: Split-plate, stamped-steel type with concealed or exposed-rivet hinge.

c. Bare Piping at Wall and Floor Penetrations in Finished Spaces: Split-casting brass type with polished, chrome-plated finish.

d. Bare Piping at Ceiling Penetrations in Finished Spaces: Split-casting brass type with polished, chrome-plated finish.

e. Bare Piping in Unfinished Service Spaces: Split-casting brass type with polished, chrome-plated or rough-brass finish.

f. Bare Piping in Equipment Rooms: Split-casting brass type with polished, chrome-plated or rough-brass finish.

3.4 SLEEVE INSTALLATION

A. Install sleeves for piping passing through penetrations in floors, partitions, roofs, and walls.

1. Sleeves are not required for core-drilled holes.

B. For sleeves that will have sleeve-seal system installed, select sleeves of size large enough to provide 1-inch (25-mm) annular clear space between piping and concrete slabs and walls.

C. Install sleeves in concrete floors, concrete roof slabs, and concrete walls as new slabs and walls are constructed.

1. Cut sleeves to length for mounting flush with both surfaces.

a. Exception: Extend sleeves installed in floors of mechanical equipment areas or other wet areas 2 inches (50 mm) above finished floor level.

2. Using grout, seal the space outside of sleeves in slabs and walls without sleeve-seal system.

D. Install sleeves for pipes passing through interior partitions.

1. Cut sleeves to length for mounting flush with both surfaces.

2. Install sleeves that are large enough to provide 1/4-inch (6.4-mm) annular clear space between sleeve and pipe or pipe insulation.

3. Seal annular space between sleeve and piping or piping insulation; use joint sealants appropriate for size, depth, and location of joint. Comply with requirements for sealants specified in Section 07 9200 "Joint Sealants."

E. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with firestop materials. Comply with requirements for firestopping specified in Section 07 8413 "Penetration Firestopping."

3.5 SLEEVE AND SLEEVE-SEAL SCHEDULE

A. Use sleeves and sleeve seals for the following piping-penetration applications:

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 7

1. Exterior Concrete Walls below Grade:

a. Piping Smaller Than NPS 6 (DN 150): Cast-iron wall sleeves with sleeve-seal system.

1) Select sleeve size to allow for 1-inch (25-mm) annular clear space between piping and sleeve for installing sleeve-seal system.

b. Piping NPS 6 (DN 150) and Larger: Cast-iron wall sleeves with sleeve-seal system.

1) Select sleeve size to allow for 1-inch (25-mm) annular clear space between piping and sleeve for installing sleeve-seal system.

2. Concrete Slabs-on-Grade:

a. Piping Smaller Than NPS 6 (DN 150): Cast-iron wall sleeves with sleeve-seal system.

1) Select sleeve size to allow for 1-inch (25-mm) annular clear space between piping and sleeve for installing sleeve-seal system.

b. Piping NPS 6 (DN 150) and Larger: Cast-iron wall sleeves with sleeve-seal system.

1) Select sleeve size to allow for 1-inch (25-mm) annular clear space between piping and sleeve for installing sleeve-seal system.

3. Concrete Slabs above Grade:

a. Piping Smaller Than NPS 6 (DN 150): Stack-sleeve fittings.

b. Piping NPS 6 (DN 150) and Larger: Stack-sleeve fittings.

4. Interior Partitions:

a. Piping Smaller Than NPS 6 (DN 150): Galvanized-steel-pipe sleeves.

b. Piping NPS 6 (DN 150) and Larger: Galvanized-steel-sheet sleeves.

3.6 PIPING JOINT CONSTRUCTION

A. Join pipe and fittings according to the following requirements and Division 22 Sections specifying piping systems.

B. Ream ends of pipes and tubes and remove burrs.

C. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly.

D. Soldered Joints: Apply ASTM B 813, water-flushable flux, unless otherwise indicated, to tube end.

Construct joints according to ASTM B 828 or CDA's "Copper Tube Handbook," using lead-free solder alloy complying with ASTM B 32.

E. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," "Pipe and Tube" Chapter, using copper-phosphorus brazing filler metal complying with AWS A5.8.

F. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows:

1. Apply appropriate tape or thread compound to external pipe threads unless dry seal threading is specified.

2. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged.

Do not use pipe sections that have cracked or open welds.

MIDLAND ARMORY ADDITION & REMODELING 22 0500 - 8

G. Flanged Joints: Select appropriate gasket material, size, type, and thickness for service application.

Install gasket concentrically positioned. Use suitable lubricants on bolt threads.

H. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces. Join pipe and fittings according to the following:

1. Comply with ASTM F 402 for safe-handling practice of cleaners, primers, and solvent cements.

2. PVC Nonpressure Piping: Join according to ASTM D 2855.

I. Plastic Nonpressure Piping Gasketed Joints: Join according to ASTM D 3212.

3.7 PIPING CONNECTIONS

A. Make connections according to the following, unless otherwise indicated:

1. Install unions, in piping NPS 2(DN 50) and smaller, adjacent to each valve and at final connection to each piece of equipment.

2. Install flanges, in piping NPS 2-1/2(DN 65) and larger, adjacent to flanged valves and at final connection to each piece of equipment.

3. Wet Piping Systems: Connect piping materials of dissimilar metals as follows:

a. In piping NPS 2(DN 50) and smaller, install ground joint unions.

4. Wet Piping Systems: Install dielectric unions, dielectric coupling, or dielectric nipple fittings to connect piping materials of dissimilar metals.

3.8 ERECTION OF METAL SUPPORTS AND ANCHORAGES

A. Refer to Division 05 Section "Metal Fabrications" for structural steel.

B. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor plumbing materials and equipment.

C. Field Welding: Comply with AWS D1.1.

3.9 GROUTING

A. Mix and install grout for plumbing equipment base bearing surfaces, pump and other equipment base plates, and anchors.

1. Clean surfaces that will come into contact with grout.

2. Provide forms as required for placement of grout.

3. Avoid air entrapment during placement of grout.

4. Place grout, completely filling equipment bases.

5. Place grout on concrete bases and provide smooth bearing surface for equipment.

6. Place grout around anchors.

7. Cure placed grout.

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3.10 PLUMBING ROOF PENETRATIONS

A. Install plumbing roof penetrations in accordance with roof curb manufacturer’s recommendations and in strict compliance with roofing manufacturer’s requirements.

1. Roofs with Warranty: Roof penetrations and curbs shall be installed in such a manner to maintain roofing warranty.

B. Pipe Curbs for Pipe Penetrations: Secure boot to curb base and secure boot to pipe with adjustable stainless steel clamps.

3.11 INSTALLATION OF ACCESS DOORS

A. Where lay-in ceilings are used, the access to ceiling space is provided through the removable ceiling panels. Where access is required to valves, pipes, or other devices in spaces above non-removable ceilings or in chases, the Contractor requiring the access doors shall provide access doors. Access doors required in rated walls and ceiling shall bear the same rating. Access panels and doors are specified in Division 08 Section "Access Doors and Frames."

1. Set frames accurately in position and securely attached to supports, with face panels plumb and level in relation to adjacent finish surfaces.

2. Adjust hardware and panels after installation for proper operation.

3.12 FIELD QUALITY CONTROL

A. Replace broken and damaged escutcheons and floor plates using new materials.

END OF SECTION 22 0500

PROJECT NO. 21139.00 GENERAL DUTY VALVES FOR PLUMBING PIPING

MIDLAND ARMORY ADDITION & REMODELING 22 0523 - 1

SECTION 22 0523 – GENERAL DUTY VALVES FOR PLUMBING PIPING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Bronze ball valves.

2. Bronze swing check valves.

B. Related Sections:

1. Division 22 plumbing piping Sections for specialty valves applicable to those Sections only.

2. Division 22 Section "Identification for Plumbing Piping and Equipment" for valve tags and schedules.

1.3 DEFINITIONS

A. CWP: Cold working pressure.

B. EPDM: Ethylene propylene-diene terpolymer rubber.

C. NBR: Acrylonitrile-butadiene, Buna-N, or nitrile rubber.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of valve indicated.

1. Certification that products comply with NSF 61 Annex G and NSF 372.

1.5 QUALITY ASSURANCE

A. Source Limitations for Valves: Obtain each type of valve from single source from single manufacturer.

B. ASME Compliance:

1. ASME B16.10 and ASME B16.34 for ferrous valve dimensions and design criteria.

2. ASME B31.9 for building services piping valves.

C. NSF Compliance as required by authorities having jurisdiction:

MIDLAND ARMORY ADDITION & REMODELING 22 0523 - 2

1. Comply with NSF 14, "Plastics Piping Components and Related Materials," for plastic domestic water piping components.

2. Comply with NSF 61, "Drinking Water System Components - Health Effects; Sections 1 through 9."

3. Comply with NSF 372, "Drinking Water System Components – Lead Content”

1.6 DELIVERY, STORAGE, AND HANDLING

A. Prepare valves for shipping as follows:

1. Protect internal parts against rust and corrosion.

2. Protect valve ends from damage.

3. Set ball valves open to minimize exposure of functional surfaces.

4. Block check valves in either closed or open position.

B. Use the following precautions during storage:

1. Maintain valve end protection.

2. Store valves indoors and maintain at higher than ambient dew point temperature. If outdoor storage is necessary, store valves off the ground in watertight enclosures.

PART 2 - PRODUCTS

2.1 GENERAL REQUIREMENTS FOR VALVES

A. Source Limitations for Valves: Obtain each type of valve from single source from single manufacturer.

B. Refer to valve schedule articles for applications of valves.

C. ASME Compliance:

1. ASME B1.20.1 for threads for threaded end valves.

2. ASME B16.1 for flanges on iron valves.

3. ASME B16.10 and ASME B16.34 for ferrous valve dimensions and design criteria.

4. ASME B16.18 for solder joint.

5. ASME B31.9 for building services piping valves.

D. AWWA Compliance: Comply with AWWA C606 for grooved-end connections.

E. NSF Compliance: NSF 61 and NSP 372 for valve materials for potable-water service.

F. Drinking Water System Components - Health Effects and Drinking Water System Components - Lead Content Compliance: NSF 61 and NSF 372.

G. Bronze valves shall be made with dezincification-resistant materials. Bronze valves made with copper alloy (brass) containing more than 15 percent zinc are not permitted.

H. Valve Pressure and Temperature Ratings: Not less than indicated and as required for system pressures and temperatures.

MIDLAND ARMORY ADDITION & REMODELING 22 0523 - 3

I. Valve Bypass and Drain Connections: MSS SP-45.

J. Valve Sizes: Same as upstream piping unless otherwise indicated.

K. Valve Actuator Types:

1. Handwheel: For valves other than quarter-turn types.

2. Handlever: For quarter-turn valves NPS 6(DN 150) and smaller.

L. Valves in Insulated Piping: Valves in domestic cold water lines with more than 1/2-inch(13-mm) insulation shall include the following:

1. Ball Valves: Stem extensions or extended operating handle of non-thermal-conductive material, and protective sleeve that allows operation of valve without breaking the vapor seal or disturbing insulation.

2. Butterfly Valves: Extended neck.

M. Valve-End Connections:

1. Solder Joint: With sockets according to ASME B16.18.

2. Threaded: With threads according to ASME B1.20.1.

2.2 BRONZE BALL VALVES

A. Two-Piece, Full-Port, Bronze Ball Valves with Bronze Trim:

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Apollo Flow Controls; Conbraco Industries, Inc.

b. Crane; Crane Energy Flow Solutions.

c. Hammond Valve.

d. Milwaukee Valve Company.

e. NIBCO INC.

f. WATTS.

g. Zurn Industries, LLC.

2. Description:

a. Standard: MSS SP-110 or MSS-145.

b. CWP Rating: 600 psig(4140 kPa).

c. Body Design: Two piece, threaded.

d. Body Material: Bronze.

e. Ends: Threaded, press, and soldered.

f. Press Ends Connections Rating: Minimum 200 psig (1380 kPa).

g. Seats: PTFE.

h. Stem: Bronze.

i. Ball: Bronze.

j. Port: Full.

2.3 BRONZE SWING CHECK VALVES

A. Class 125, Bronze Swing Check Valves with Bronze Disc:

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MIDLAND ARMORY ADDITION & REMODELING 22 0523 - 4

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Apollo Valves.

b. Crane.

c. Hammond Valve.

d. Milwaukee Valve Company.

e. NIBCO INC.

f. Powell Valves.

g. WATTS.

2. Description:

a. Standard: MSS SP-139.

b. CWP Rating: 200 psig(1380 kPa).

c. Body Design: Horizontal flow.

d. Body Material: Bronze.

e. Ends: Threaded, press, or soldered. See valve schedule articles.

f. Press Ends Connection Rating: Minimum 200 psig (1380 kPa).

g. Disc: Bronze.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine valve interior for cleanliness, freedom from foreign matter, and corrosion. Remove special packing materials, such as blocks, used to prevent disc movement during shipping and handling.

B. Operate valves in positions from fully open to fully closed. Examine guides and seats made accessible by such operations.

C. Examine threads on valve and mating pipe for form and cleanliness.

D. Examine mating flange faces for conditions that might cause leakage. Check bolting for proper size, length, and material. Verify that gasket is of proper size, that its material composition is suitable for service, and that it is free from defects and damage.

E. Do not attempt to repair defective valves; replace with new valves.

3.2 VALVE INSTALLATION

A. Install valves with unions or flanges at each piece of equipment arranged to allow service, maintenance, and equipment removal without system shutdown.

B. Locate valves for easy access and provide separate support where necessary.

C. Install valves in horizontal piping with stem at or above center of pipe.

D. Install valves in position to allow full stem movement.

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MIDLAND ARMORY ADDITION & REMODELING 22 0523 - 5

E. Check Valves: Install check valves for proper direction of flow.

1. Swing Check Valves: In horizontal position with hinge pin level.

F. Install valve tags. Comply with requirements in Section 22 0553 "Identification for Plumbing Piping and Equipment" for valve tags and schedules.

3.3 ADJUSTING

A. Adjust or replace leaking valve packing after piping systems have been tested and put into service but before final adjusting and balancing. Replace valves if persistent leaking occurs.

3.4 GENERAL REQUIREMENTS FOR VALVE APPLICATIONS

A. If valve applications are not indicated, use the following:

1. Pump-Discharge Check Valves:

a. NPS 2 (DN 50) and Smaller: Bronze swing check valves with bronze disc.

B. End Connections:

1. For Copper Tubing, NPS 2 (DN 50) and Smaller: Threaded or soldered or press-ends.

2. For Grooved-End Copper Tubing: Grooved.

C. If valves with specified SWP classes or CWP ratings are not available, the same types of valves with higher SWP classes or CWP ratings may be substituted.

3.5 DOMESTIC, HOT- AND COLD-WATER VALVE SCHEDULE

A. Pipe NPS 2(DN 50) and Smaller:

1. Ball Valves:

a. Two piece, full port, bronze with bronze trim.

b. May be provided with solder-joint ends instead of threaded ends.

2. Check Valves:

a. Bronze swing check valves with bronze disc, Class 125, with soldered or threaded end connections.

b. Bronze swing check valves with press-end connections.

3.6 VALVE APPLICATIONS:

A. Domestic Water:

1. Shutoff Service: Ball and butterfly valves.

2. Throttling Service: Ball and butterfly valves.

3. Check Valves:

a. NPS 2(DN 50) and Smaller: Bronze swing check valves with nonmetallic disc.

MIDLAND ARMORY ADDITION & REMODELING 22 0523 - 6

END OF SECTION 22 0523

PROJECT NO. 21139.00 HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

MIDLAND ARMORY ADDITION & REMODELING 22 0529 - 1

SECTION 22 0529 - HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Metal pipe hangers and supports.

2. Trapeze pipe hangers.

3. Metal framing systems.

4. Thermal-hanger shield inserts.

5. Fastener systems.

B. Related Requirements:

1. See Division 21 fire-suppression sections for pipe hangers for fire-suppression piping.

2. Section 05 5000 "Metal Fabrications" for structural-steel shapes and plates for trapeze hangers for pipe and equipment supports.

1.3 DEFINITIONS

A. MSS: Manufacturers Standardization Society of The Valve and Fittings Industry Inc.

B. Terminology: As defined in MSS SP-90, "Guidelines on Terminology for Pipe Hangers and Supports."

1.4 PERFORMANCE REQUIREMENTS

A. Delegated Design: Design trapeze pipe hangers and equipment supports, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

B. Structural Performance: Hangers and supports for plumbing piping and equipment shall withstand the effects of gravity loads and stresses within limits and under conditions indicated according to ASCE/SEI 7.

1. Design supports for multiple pipes capable of supporting combined weight of supported systems, system contents, and test water.

2. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.

MIDLAND ARMORY ADDITION & REMODELING 22 0529 - 2

PART 2 - PRODUCTS

2.1 METAL PIPE HANGERS AND SUPPORTS

A. Carbon-Steel Pipe Hangers and Supports:

1. Description: MSS SP-58, Types 1 through 58, factory-fabricated components.

2. Galvanized Metallic Coatings: Pregalvanized or hot dipped.

3. Nonmetallic Coatings: Plastic coating, jacket, or liner.

4. Hanger Rods: Continuous-thread rod, nuts, and washer made of carbon steel.

2.2 TRAPEZE PIPE HANGERS

A. Description: MSS SP-69, Type 59, shop- or field-fabricated pipe-support assembly made from structural carbon-steel shapes with MSS SP-58 hanger rods, nuts, saddles, and U-bolts.

2.3 METAL FRAMING SYSTEMS

A. MFMA Manufacturer Metal Framing Systems:

1. Description: Shop- or field-fabricated pipe-support assembly for supporting multiple parallel pipes.

2. Standard: MFMA-4.

3. Channels: Continuous slotted steel channel with inturned lips.

4. Channel Width: Selected for applicable load criteria.

5. Channel Nuts: Formed or stamped steel nuts or other devices designed to fit into channel slot and, when tightened, prevent slipping along channel.

6. Hanger Rods: Continuous-thread rod, nuts, and washer made of carbon steel.

B. Non-MFMA Manufacturer Metal Framing Systems:

1. Description: Shop- or field-fabricated pipe-support assembly made of steel channels, accessories, fittings, and other components for supporting multiple parallel pipes.

2. Standard: Comply with MFMA-4.

3. Channels: Continuous slotted steel channel with inturned lips.

4. Channel Width: Select for applicable load criteria.

5. Channel Nuts: Formed or stamped steel nuts or other devices designed to fit into channel slot and, when tightened, prevent slipping along channel.

6. Hanger Rods: Continuous-thread rod, nuts, and washer made of carbon steel.

2.4 THERMAL-HANGER SHIELD INSERTS

A. Insulation-Insert Material for Cold Piping: ASTM C 552, Type II cellular glass with 100-psig (688-kPa) or ASTM C 591, Type VI, Grade 1 polyisocyanurate with 125-psig (862-kPa) minimum compressive strength and vapor barrier.

B. Insulation-Insert Material for Hot Piping: Water-repellent treated, ASTM C 533, Type I calcium silicate with 100-psig (688-kPa) ASTM C 552, Type II cellular glass with 100-psig (688-kPa) or ASTM C 591, Type VI, Grade 1 polyisocyanurate with 125-psig (862-kPa) minimum compressive strength.

MIDLAND ARMORY ADDITION & REMODELING 22 0529 - 3

C. For Trapeze or Clamped Systems: Insert and shield shall cover entire circumference of pipe.

D. For Clevis or Band Hangers: Insert and shield shall cover lower 180 degrees of pipe.

E. Insert Length: Extend 2 inches(50 mm) beyond sheet metal shield for piping operating below ambient air temperature.

2.5 FASTENER SYSTEMS

A. Powder-Actuated Fasteners: Threaded-steel stud, for use in hardened portland cement concrete with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

B. Mechanical-Expansion Anchors: Insert-wedge-type anchors, for use in hardened portland cement concrete, with pull-out, tension, and shear capacities appropriate for supported loads and building materials where used.

1. Indoor Applications: Zinc-coated steel.

2. Outdoor Applications: Stainless steel.

2.6 MISCELLANEOUS MATERIALS

A. Aluminum: ASTM B 221 (ASTM B 221M).

B. Carbon Steel: ASTM A 1011/A 1011M.

C. Structural Steel: ASTM A 36/A 36M carbon-steel plates, shapes, and bars; black and galvanized.

D. Stainless Steel: ASTM A 240/A 240M.

E. Grout: ASTM C 1107, factory-mixed and -packaged, dry, hydraulic-cement, nonshrink and nonmetallic grout; suitable for interior and exterior applications.

1. Properties: Nonstaining, noncorrosive, and nongaseous.

2. Design Mix: 5000-psi(34.5-MPa), 28-day compressive strength.

PART 3 - EXECUTION

3.1 APPLICATION

A. Comply with requirements in Section 07 8413 "Penetration Firestopping" for firestopping materials and installation, for penetrations through fire-rated walls, ceilings, and assemblies.

B. Strength of Support Assemblies: Where not indicated, select sizes of components, so strength will be adequate to carry present and future static loads within specified loading limits. Minimum static design load used for strength determination shall be weight of supported components plus 200 lb (90 kg).

MIDLAND ARMORY ADDITION & REMODELING 22 0529 - 4

3.2 HANGER AND SUPPORT INSTALLATION

A. Metal Pipe-Hanger Installation: Comply with MSS SP-58. Install hangers, supports, clamps, and attachments as required to properly support piping from building structure.

B. Metal Trapeze Pipe-Hanger Installation: Comply with MSS SP-58. Arrange for grouping of parallel runs of horizontal piping, and support together on field-fabricated trapeze pipe hangers.

1. Pipes of Various Sizes: Support together and space trapezes for smallest pipe size, or install intermediate supports for smaller-diameter pipes as specified for individual pipe hangers.

2. Field fabricate from ASTM A 36/A 36M carbon-steel shapes selected for loads being supported.

Weld steel according to AWS D1.1/D1.1M.

C. Metal Framing System Installation: Arrange for grouping of parallel runs of piping and support together on field-assembled metal framing systems.

D. Thermal-Hanger Shield Installation: Install in pipe hanger or shield for insulated piping.

E. Fastener System Installation:

1. Install powder-actuated fasteners in concrete after concrete is placed and completely cured. Use operators that are licensed by powder-actuated tool manufacturer. Install fasteners according to powder-actuated tool manufacturer's operating manual.

2. Install mechanical-expansion anchors in concrete after concrete is placed and completely cured.

Install fasteners according to manufacturer's written instructions.

F. Pipe Positioning-System Installation: Install support devices to make rigid supply and waste piping connections to each plumbing fixture.

G. Install hangers and supports complete with necessary inserts, bolts, rods, nuts, washers, and other accessories.

H. Install hangers and supports to allow controlled thermal movement of piping systems[, to permit freedom of movement between pipe anchors], and to facilitate action of expansion joints, expansion loops, expansion bends, and similar units.

I. Install lateral bracing with pipe hangers and supports to prevent swaying.

J. Install building attachments within concrete slabs or attach to structural steel. Install additional attachments at concentrated loads, including valves, flanges, and strainers, and at changes in direction of piping.

K. Load Distribution: Install hangers and supports so piping live and dead loads and stresses from movement will not be transmitted to connected equipment.

L. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and so maximum pipe deflections allowed by ASME B31.9 (for building services piping) are not exceeded.

M. Insulated Piping: Comply with the following:

1. Attach clamps and spacers to piping.

a. Piping Operating above Ambient Air Temperature: Clamp may project through insulation.

MIDLAND ARMORY ADDITION & REMODELING 22 0529 - 5

b. Piping Operating below Ambient Air Temperature: Use thermal-hanger shield insert with clamp sized to match OD of insert.

c. Do not exceed pipe stress limits according to ASME B31.9 for building services piping.

2. Install MSS SP-58, Type 39, protection saddles if insulation without vapor barrier is indicated. Fill interior voids with insulation that matches adjoining insulation.

a. Option: Thermal-hanger shield inserts may be used. Include steel weight-distribution plate for pipe NPS 4 (DN 100) and larger if pipe is installed on rollers.

3. Install MSS SP-58, Type 40, protective shields on cold piping with vapor barrier. Shields shall span an arc of 180 degrees.

a. Option: Thermal hanger-shield inserts may be used. Include steel weight-distribution plate for pipe NPS 4 (DN 100) and larger if pipe is installed on rollers.

4. Shield Dimensions for Pipe: Not less than the following:

a. NPS 1/4 to NPS 3-1/2(DN 8 to DN 90): 12 inches(305 mm) long and 0.048 inch(1.22 mm) thick.

b. NPS 4(DN 100): 12 inches(305 mm) long and 0.06 inch(1.52 mm) thick.

c. NPS 5 and NPS 6(DN 125 and DN 150): 18 inches(457 mm) long and 0.06 inch(1.52 mm) thick.

d. NPS 8 to NPS 14(DN 200 to DN 350): 24 inches(610 mm) long and 0.075 inch(1.91 mm) thick.

5. Pipes NPS 8 (DN 200) and Larger: Include wood or reinforced calcium-silicate-insulation inserts of length at least as long as protective shield.

6. Thermal-Hanger Shields: Install with insulation same thickness as piping insulation.

3.3 METAL FABRICATIONS

A. Cut, drill, and fit miscellaneous metal fabrications for trapeze pipe hangers.

B. Fit exposed connections together to form hairline joints. Field weld connections that cannot be shop welded because of shipping size limitations.

C. Field Welding: Comply with AWS D1.1 procedures for shielded metal arc welding, appearance and quality of welds, and methods used in correcting welding work, and with the following:

1. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals.

2. Obtain fusion without undercut or overlap.

3. Remove welding flux immediately.

4. Finish welds at exposed connections so no roughness shows after finishing and contours of welded surfaces match adjacent contours.

3.4 ADJUSTING

A. Hanger Adjustments: Adjust hangers to distribute loads equally on attachments and to achieve indicated slope of pipe.

B. Trim excess length of continuous-thread hanger and support rods to 1-1/2 inches(40 mm) maximum.

MIDLAND ARMORY ADDITION & REMODELING 22 0529 - 6

3.5 PAINTING

A. Touchup: Clean field welds and abraded, shop-painted areas. Paint exposed areas immediately after erecting hangers and supports. Use same materials as those used for shop painting. Comply with SSPC- PA 1 requirements for touching up field-painted surfaces.

1. Apply paint by brush or spray to provide a minimum dry film thickness of 2.0 mils (0.05 mm).

B. Touchup: Cleaning and touchup painting of field welds, bolted connections, and abraded, shop-painted areas on miscellaneous metal are specified in Section 09 9600 "High-Performance Coatings."

C. Galvanized Surfaces: Clean welds, bolted connections, and abraded areas, and apply galvanizing-repair paint to comply with ASTM A 780/A 780M.

3.6 HANGER AND SUPPORT SCHEDULE

A. Specific hanger and support requirements are specified in Sections specifying piping systems and equipment.

B. Comply with MSS SP-58 for pipe-hanger selections and applications that are not specified in piping system Sections.

C. Use hangers and supports with galvanized, metallic coatings for piping and equipment that will not have field-applied finish.

D. Use nonmetallic coatings on attachments for electrolytic protection where attachments are in direct contact with copper tubing.

E. Use carbon-steel pipe hangers and supports metal trapeze pipe hangers and metal framing systems and attachments for general service applications.

F. Use thermal-hanger shield inserts for insulated piping and tubing.

G. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Adjustable, Steel Clevis Hangers (MSS Type 1): For suspension of noninsulated or insulated stationary pipes, NPS 1/2 to NPS 30(DN 15 to DN 750).

2. Yoke-Type Pipe Clamps (MSS Type 2): For suspension of 120 to 450 deg F(49 to 232 deg C) pipes, NPS 4 to NPS 16(DN 100 to DN 400), requiring up to 4 inches(100 mm) of insulation.

3. Carbon- or Alloy-Steel, Double-Bolt Pipe Clamps (MSS Type 3): For suspension of pipes, NPS 3/4 to NPS 24(DN 20 to DN 600), requiring clamp flexibility and up to 4 inches(100 mm) of insulation.

4. Steel Pipe Clamps (MSS Type 4): For suspension of cold and hot pipes NPS 1/2 to NPS 24 (DN 15 to DN 600) if little or no insulation is required.

5. Adjustable, Steel Band Hangers (MSS Type 7): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 8(DN 15 to DN 200).

6. U-Bolts (MSS Type 24): For support of heavy pipes, NPS 1/2 to NPS 30(DN 15 to DN 750).

7. Clips (MSS Type 26): For support of insulated pipes not subject to expansion or contraction.

8. Pipe Saddle Supports (MSS Type 36): For support of pipes, NPS 4 to NPS 36(DN 100 to DN 900), with steel pipe base stanchion support and cast-iron floor flange.

MIDLAND ARMORY ADDITION & REMODELING 22 0529 - 7

9. Single Pipe Rolls (MSS Type 41): For suspension of pipes, NPS 1 to NPS 30(DN 25 to DN 750), from 2 rods if longitudinal movement caused by expansion and contraction might occur.

10. Complete Pipe Rolls (MSS Type 44): For support of pipes, NPS 2 to NPS 42(DN 50 to DN 1050), if longitudinal movement caused by expansion and contraction might occur but vertical adjustment is not necessary.

H. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Extension Pipe or Riser Clamps (MSS Type 8): For support of pipe risers, NPS 3/4 to NPS 20(DN 20 to DN 500).

2. Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe risers, NPS 3/4 to NPS 20(DN 20 to DN 500), if longer ends are required for riser clamps.

I. Hanger-Rod Attachments: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Steel Turnbuckles (MSS Type 13): For adjustment up to 6 inches(150 mm) for heavy loads.

2. Steel Clevises (MSS Type 14): For 120 to 450 deg F(49 to 232 deg C) piping installations.

J. Building Attachments: Unless otherwise indicated and except as specified in piping system Sections, install the following types:

1. Top-Beam C-Clamps (MSS Type 19): For use under roof installations with bar-joist construction to attach to top flange of structural shape.

2. Side-Beam or Channel Clamps (MSS Type 20): For attaching to bottom flange of beams, channels, or angles.

3. Center-Beam Clamps (MSS Type 21): For attaching to center…