B08_Solicitation_-_Att_1_-_Specifications.pdf

NPS Gateway Arch Cooling Tower and Boiler Replacement St Louis, MO Schemmer No.: 009258.012

MECHANICAL CERTIFICATION 00-0105.06 - Page 1

SECTION 00-0105.06

MECHANICAL CERTIFICATION

MECHANICAL ENGINEERING CERTIFICATION

MECHANICAL ENGINEER

Jeffrey E Kulhanek, P.E., The Schemmer Associates

I hereby certify that the applicable portions of these drawings and specifications were prepared by me or under my direct supervision and that I am a duly licensed Professional Engineer under the laws of the State of Missouri. I am responsible for the mechanical engineering for this project.

BY: DATE:

Jeffrey E Kulhanek, P.E.

The Schemmer Associates 333 South 21st Street | Suite 102 Lincoln, NE 68510

License No.: PE-202201708

2/3/26

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St Louis, MO Schemmer No.: 009258.012

ELECTRICAL CERTIFICATION 00-0105.07 - Page 1

SECTION 00-0105.07

ELECTRICAL CERTIFICATION

ELECTRICAL ENGINEERING CERTIFICATION

ELECTRICAL ENGINEER

Joseph Binge, P.E., The Schemmer Associates

I hereby certify that the applicable portions of these drawings and specifications were prepared by me or under my direct supervision and that I am a duly licensed Professional Engineer under the laws of the State of Missouri. I am responsible for the electrical engineering for this project.

BY: DATE:

Joseph Binge, P.E.

The Schemmer Associates 1044 North 115th Street | Suite 300 Omaha, NE 68154

License No.:PE-2014012014

02/03/2026

St Louis, MO Schemmer No.: 009258.012

METERS AND GAUGES FOR HVAC PIPING 23-0519 - Page 1

SECTION 23-0519 - METERS AND GAUGES FOR HVAC PIPING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Pressure gauges and pressure gauge taps.

B. Thermometers and thermometer wells.

1.02 SUBMITTALS

A. See Section 01-3000 - ADMINISTRATIVE REQUIREMENTS, for submittal procedures.

B. Product Data: Provide list that indicates use, operating range, total range and location for manufactured components.

1.03 FIELD CONDITIONS

A. Do not install instrumentation when areas are under construction, except for required rough-in, taps, supports and test plugs.

PART 2 PRODUCTS

2.01 PRESSURE GAUGES

A. Manufacturers:

1. Dwyer Instruments, Inc.

2. Omega Engineering, Inc.

3. Ashcroft Inc..

4. [Miljoco Corporation.]

5. [Tel-Tru Manufacturing Company.].

6. [Trerice, H. O. Co.].

7. [Watts Regulator Co.; a div of Watts Water Technologies, Inc.].

8. [Weiss Instruments, Inc].

9. [Winters Instruments - U.S.].

10. Substitutions: See Section 01-6000 - PRODUCT REQUIREMENTS.

B. Pressure Gauges: ASME B40.100, UL 393 Sealed cast alumnium or drawn steel case, phosphor bronze bourdon tube, rotary brass movement, brass socket, with front recalibration adjustment, black scale on white background.

1. Case: Steel or Cast Alumnium.

2. Window: Glass with stainless steel ring.

3. Size: 4-1/2 inch diameter.

4. Mid-Scale Accuracy: Plus or Minus One percent.

5. Scale: Psi and KPa.

2.02 PRESSURE GAUGE TAPPINGS

A. Gauge Cock: Tee or lever handle, brass or stainless steel for maximum 150 psi.

B. Needle Valve: Brass, 1/4 inch NPT for minimum 150 psi.

C. Pulsation Damper: Pressure snubber, brass with NPS 1/4 OR NPA 1/2 connections.

D. Syphon: Steel, Schedule 40, 1/4 inch angle or straight pattern.

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METERS AND GAUGES FOR HVAC PIPING 23-0519 - Page 2

2.03 STEM TYPE THERMOMETERS

A. Manufacturers:

1. Dwyer Instruments, Inc.

2. Trerice, H.O. Co.

3. Weiss Instruments, Inc.

4. Winters Instruments - U.S.

5. Substitutions: See Section 01-6000 - PRODUCT REQUIREMENTS.

B. Thermometers - Light Activated Digital.

1. Case: Plastic 5 inch or larger with adjustable angle neck.

2. Stem: Alumnium. Designed for installation in thermowell.

3. Accuracy: 2 percent, per ASTM E77.

4. Calibration: Degrees F and Degrees C.

2.04 THERMOMETER SUPPORTS (THERMOWELLS)

A. Socket: Brass separable sockets for thermometer stems with or without extensions as required, and with cap and chain.

1. Material:

a. Copper Piping: Copper Nickel Alloy

b. Steel Piping: Corrosion Resistant Steel

2. Type: Stepped Shank unless straight or tapered shank is indicated.

3. External Threads: NPS 1/2, NPS 3/4, or NPS 1 ASME B1.20.1 pipe threads.

4. Internal Threads: 1/2, 3/4, or 1 inch ASME B1.1 screw threads.

5. Bore: Diameter required to math thermometer stem.

6. Insertion Length. Length required to match thermometer stem.

B. Heat Transfer Medium: Mixture or graphice and glycerin.

2.05 TEST PLUGS

A. Test Plug: 1/4 inch or 1/2 inch brass fitting and cap for receiving 1/8 inch outside diameter pressure or temperature probe with neoprene core for temperatures up to 200 degrees F.

PART 3 EXECUTION

3.01 INSTALLATION

A. Install in accordance with manufacturer's instructions.

B. Install thermowells with socket extending to center of pipe and in vertical position in piping tees.

C. Install thermowells with extension in insulated piping.

D. Install pressure gauges in the following locations:

1. Inlet and oulet of each chiller chilled water and condenser water connection.

2. Suction and discharge of each pump.

E. Install pressure gauges with pulsation dampers. Provide gauge cock to isolate each gauge.

Extend nipples and siphons to allow clearance from insulation.

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METERS AND GAUGES FOR HVAC PIPING 23-0519 - Page 3

F. Install thermometers in piping systems in sockets in short couplings. Enlarge pipes smaller than 2-1/2 inch for installation of thermometer sockets. Ensure sockets allow clearance from insulation.

G. Install thermometer sockets adjacent to controls system thermostat, transmitter, or sensor sockets and in the following locations:

1. Inlet and outlet of each hydronic zone.

2. Inlet and outlet of each hydronic boiler or heat exchanger.

3. Inlet and oulet of all piping at chillers.

4. Inlet and oulet of each hydronic coil in an air handling unit.

5. Inlet and oulet of each thermal storage tank.

H. Provide instruments with scale ranges selected according to service with largest appropriate scale.

I. Install gauges and thermometers in locations where they are easily read from normal operating level. Install vertical to 45 degrees off vertical.

J. Locate test plugs adjacent to control device sockets.

END OF SECTION 23-0519

St Louis, MO Schemmer No.: 009258.012

GENERAL-DUTY VALVES FOR HVAC PIPING 23-0523 - Page 1

SECTION 23-0523 - GENERAL-DUTY VALVES FOR HVAC PIPING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Ball valves.

B. Butterfly valves.

C. Check valves.

1.02 SUBMITTALS

A. See Section 01-3000 - Administrative Requirements for submittal procedures.

B. Product Data: Provide data on valves including manufacturers catalog information. Submit performance ratings, rough-in details, weights, support requirements, and piping connections.

C. Operation and Maintenance Data: Include manufacturer's descriptive literature, operating instructions, maintenance and repair data, and parts listings.

1.03 QUALITY ASSURANCE

1.04 DELIVERY, STORAGE, AND HANDLING

A. Prepare valves for shipping as follows:

1. Minimize exposure of operable surfaces by setting plug and ball valves to open position.

2. Protect valve parts exposed to piped medium against rust and corrosion.

3. Protect valve piping connections such as grooves, weld ends, threads, and flange faces.

4. Adjust globe, gate, and angle valves to the closed position to avoid clattering.

5. Secure check valves in either the closed position or open position.

6. Adjust butterfly valves to closed or partially closed position.

B. Use the following precautions during storage:

1. Maintain valve end protection and protect flanges and specialties from dirt.

a. Provide temporary inlet and outlet caps.

b. Maintain caps in place until installation.

2. Store valves in shipping containers and maintain in place until installation.

a. Store valves indoors in dry environment.

b. Store valves off the ground in watertight enclosures when indoor storage is not an option.

C. Exercise the following precautions for handling:

1. Handle large valves with sling, modified to avoid damage to exposed parts.

2. Avoid the use of operating handles or stems as rigging or lifting points.

PART 2 PRODUCTS

2.01 APPLICATIONS

A. Listed pipe sizes shown using nominal pipe sizes (NPS) and nominal diameter (DN).

B. Provide the following valves for the applications if not indicated on drawings:

1. Throttling (Hydronic): Butterfly and Ball.

2. Throttling (Steam): Globe.

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GENERAL-DUTY VALVES FOR HVAC PIPING 23-0523 - Page 2

3. Isolation (Shutoff): Butterfly and Ball.

4. Swing Check (Pump Outlet):

a. Size 2 inch and Smaller: Bronze with bronze disc.

b. Size 2-1/2 inch and Larger: Iron with lever and weight, lever and spring, center-guided metal, or center-guided with resilient seat.

5. Dead-End: Butterfly, single-flange (lug) type.

C. Required Valve End Connections for Non-Wafer Types:

1. Steel Pipe:

a. Size 2 inch and Smaller: Threaded ends.

b. Size 2-1/2 inch and Larger: Grooved or Flanged Ends

2. Copper Tube:

a. Size 2 inch and Smaller: Threaded ends, except solder-joint valve-ends.

b. Size 2-1/2 inch and Larger: Grooved ends.

D. Condenser Water Valves:

1. Size 2 inch and Smaller, Bronze Valves:

a. _______ solder joint ends.

b. Ball: Full port, two piece, bronze trim.

c. Swing Check: Bronze disc, Class 125.

2. Size 2-1/2 inch and Larger, Iron Valves:

a. 2-1/2 inch to 4 inch: Flanged ends.

b. Single-Flange Butterfly: 2-1/2 inch to 12 inch, aluminum-bronze disc, EPDM seat, 200

CWP.

c. Single-Flange Butterfly: 14 inch to 24 inch, 150 CWP, aluminum-bronze disc, EPDM seat, 150 CWP.

d. Grooved-End Butterfly: 2-1/2 inch to 12 inch, 175 CWP.

e. Swing Check: Metal seats, Class 125.

f. Grooved-End Swing Check: 3 inch to 12 inch, 300 CWP.

g. Iron Center-Guided Check: 2-1/2 inch to 24 inch, compact-wafer, metal seat, Class

125.

E. Heating Hot Water Valves:

1. Size 2 inch and Smaller, Bronze Valves:

a. Flanged or solder-joint ends

b. Ball: Full port, two piece, brass trim.

c. Swing Check: Bronze disc, Class 125.

2. Size 2-1/2 inch and Larger, Iron Valves:

a. 2-1/2 inch to 4 inch: Threaded ends.

b. Single-Flange Butterfly: 2-1/2 inch to 12 inch, aluminum-bronze disc, EPDM seat, 200

CWP.

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GENERAL-DUTY VALVES FOR HVAC PIPING 23-0523 - Page 3

c. Single-Flange Butterfly: 14 inch to 24 inch, aluminum-bronze disc, EPDM seat, 150

CWP.

d. Grooved-End Butterfly: 2-1/2 inch to 12 inch, 175 CWP.

e. Swing Check: Metal seats, Class 125.

f. Grooved-End Swing Check: 3 inch to 12 inch, 300 CWP.

g. Center-Guided Check: Compact-wafer, metal seat, Class 125.

2.02 GENERAL REQUIREMENTS

A. Valve Pressure and Temperature Ratings: No less than rating indicated; as required for system pressures and temperatures.

B. Valve Sizes: Match upstream piping unless otherwise indicated.

C. Valve Actuator Types:

1. Handwheel: Valves other than quarter-turn types.

2. Hand Lever: Quarter-turn valves 6 inch and smaller.

3. Chainwheel: Device for attachment to valve handwheel, stem, or other actuator, of size and with chain for mounting height, as indicated in the "Valve Installation" Article.

D. Valves in Insulated Piping: Provide 2 inch stem extensions and the following features:

1. Gate Valves: Rising stem.

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

3. Butterfly Valves: Extended neck.

E. Valve-End Connections:

1. Threaded End Valves: ASME B1.20.1.

2. Flanges on Iron Valves: ASME B16.1 for flanges on iron valves.

3. Solder Joint Connections: ASME B16.18.

4. Grooved End Connections: AWWA C606.

F. General ASME Compliance:

1. Ferrous Valve Dimensions and Design Criteria: ASME B16.10 and ASME B16.34.

2. Building Services Piping Valves: ASME B31.9.

G. Bronze Valves:

1. Fabricate from dezincification resistant material.

2. Copper alloys containing more than 15 percent zinc are not permitted.

H. Source Limitations: Obtain each valve type from a single manufacturer.

2.03 BRONZE, BALL VALVES

A. General:

1. Fabricate from dezincification resistant material.

2. Copper alloys containing more than 15 percent zinc are not permitted.

B. Two Piece, Full Port with Bronze Trim:

1. Comply with MSS SP-110.

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GENERAL-DUTY VALVES FOR HVAC PIPING 23-0523 - Page 4

2. WSP Rating: 150 psi.

3. CWP Rating: 600 psi.

4. Body: Forged bronze.

5. End Connections: Pipe thread or solder.

6. Seats: PTFE or TFE.

7. Stem: Bronze.

8. Ball: Chrome plated brass.

9. Operator: Provide lockable handle and stem extension.

10. Manufacturers:

a. Apollo Valves; ______: www.apollovalves.com/#sle.

b. FNW; X450: www.fnw.com/#sle.

c. Conbraco Industries, Inc..

d. [Crane Co.; Cranve Valve Group; Crane Valves.].

e. [Hammond Valve.].

f. [Lance Valves; a division of Advanced Thermal Systems, Inc.].

g. [Milwaukee Valve Company.].

h. [NIBCO INC.].

i. [Red-White Valve Corporation.].

j. [Watts Regulator Co.; a division of Watts Water Technologies, Inc.].

2.04 IRON, SINGLE FLANGE BUTTERFLY VALVES

A. Wafer Style:

1. Comply with MSS SP-67, Type I.

2. Lug Style, CWP Ratings:

a. Sizes 2 to 12 inch: 150 psi.

b. Vacuum Service: Down to 29.9 in-Hg.

3. Body Material: ASTM A126 cast iron or ASTM A536 ductile iron.

4. Stem: One or two-piece stainless steel.

5. Seat: EPDM.

6. Disc: Aluminum-bronze.

7. Manufacturers:

a. Apollo Valves; ______: www.apollovalves.com/#sle.

b. FNW; 711: www.fnw.com/#sle.

c. Kitz Corporation of America; _____: www.kitzus-kca.com/#sle.

d. Nexus Valve, Inc; _____: www.nexusvalve.com/#sle.

e. Cooper Cameron Valves; a division of Cooper Cameron Corp..

f. [Crane Co.; Crane Valve Group; Jenkins Valves.].

g. [Crane Co.; Crane Valve Group; Stockham Division.].

h. [Dezurik Water Controls.].

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GENERAL-DUTY VALVES FOR HVAC PIPING 23-0523 - Page 5

i. [Hammond Valve.].

j. [Kitz Corporation.].

k. [Milwaukee Valve Corporation.].

l. [NIBCO INC.].

m. [Norriseal; a Dover Corporation company.]

n. [Red-White Valve Corporation.].

o. [Spence Strainers International; a division of CIRCOR International.].

p. [Tyco Valves & Conrols; a unit of Tyco Flow Control.].

q. [Watts Regulator Co.; a division of Watts Water Technologies, Inc.].

2.05 IRON, GROOVED-END BUTTERFLY VALVES

A. CWP Rating: 175 psi.

1. Comply with MSS SP-67, Type I.

2. Body: Coated ductile iron.

3. Stem: Two-piece stainless steel.

4. Disc: Coated ductile iron.

5. Disc Seal: EPDM.

6. Manufacturers:

a. Kitz Corporation of America: www.kitzus-kca.com/#sle.

b. Tyco FireProducts

c. Victaulic

d. Shurjoint

e. Kennedy

2.06 BRONZE, SWING CHECK VALVES

A. Class 125:

1. Pressure and Temperature Rating: MSS SP-80, Type 3.

2. Design: Y-pattern, horizontal or vertical flow.

3. WSP Rating: 200 psi.

4. Body: Bronze, ASTM B62.

5. End Connections: Threaded or soldered.

6. Disc: Bronze.

7. Manufacturers:

a. Apollo Valves: www.apollovalves.com/#sle.

b. Kitz Corporation of America; #22: www.kitzus-kca.com/#sle.

c. Crane Co.; Crane Valve Group; Crane Valves..

d. [Crane Co.; Crane Valve Group; Stockham Division.].

e. [Hammond Valve.].

f. [Kitz Corporation.].

g. [Milwaukee Valve Company.].

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GENERAL-DUTY VALVES FOR HVAC PIPING 23-0523 - Page 6

h. [NIBCO INC.].

i. [Powell Valves.].

j. [Red-White Valve Corporation.].

k. [Watts Regulator Co.; a division of Watts Water Technologies, Inc.].

l. [Zy Tech Global Industries, Inc.].

2.07 IRON, FLANGED END SWING CHECK VALVES

A. Class 125:

1. 150 psi with metal seats.

2. 200 psi with metal seats and nonmetallic-to-metal seats.

B. Manufacturers:

1. Apollo Valves: www.apollovalves.com/#sle.

2. FNW; 671B: www.fnw.com/#sle.

3. Crane Co.; Crane Valve Group; Crane Valves..

4. [Crane Co.; Crane Valve Group; Jenkins Valves.].

5. [Crane Co.; Crane Valve Group; Stockham Division.].

6. [Hammond Valve.].

7. [Milwaukee Valve Company.].

8. [NIBCO INC.].

9. [Watts Regulator Co.; a division of Watts Water Technologies, Inc.].

2.08 IRON, GROOVED-END SWING CHECK VALVES

A. Class 300:

1. CWP Rating: 300 psi.

2. Body Material: ASTM A536, Grade 65-45-12 ductile iron.

3. Seal: EPDM or Nitrile.

4. Disc: Ductile iron.

5. Coating: Black, non-lead paint.

6. Manufacturers:

a. Shurjoint.

b. Tyco.

c. Victaulic d.

2.09 IRON, CENTER-GUIDED CHECK VALVES

A. Class 125, Compact-Wafer:

1. Comply with MSS SP-125.

2. Sizes 2-1/2 to 12 inch: CWP Rating; 200 psi.

3. Body Material: ASTM A126, gray iron.

4. Metal Seat: Bronze.

5. Resilient Seat: EPDM or NBR.

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GENERAL-DUTY VALVES FOR HVAC PIPING 23-0523 - Page 7

PART 3 EXECUTION

3.01 EXAMINATION

A. Discard all packing materials and verify that valve interior, including threads and flanges, are completely clean without signs of damage or degradation that could result in leakage.

B. Verify valve parts to be fully operational in all positions from closed to fully open.

C. Confirm gasket material to be suitable for the service, to be of correct size, and without defects that could compromise effectiveness.

D. Should valve determined to be defective, replace with new valve.

3.02 INSTALLATION

A. Provide unions or flanges with valves to facilitate equipment removal and maintenance while maintaining system operation and full accessibility for servicing.

B. Provide separate valve support as required and locate valve with stem at or above center of piping, maintaining unimpeded stem movement.

C. Provide support of piping adjacent to valves such that no force is imposed on valves.

D. Install valves so that stems are horizontal or slope upward from centerline of pipe.

E. Adhere to manufacturer's written installation instructions. When soldering or brazing valves, do not heat valves above maximum permitted temperature. Do not use solder with melting point temperature above valve manufacturer's recommended maximum.

F. Install check valves where necessary to maintain direction of flow as follows:

1. Swing Check: Install horizontal maintaining hinge pin level.

2. Orient plate-type and center-guided into horizontal or vertical position, between flanges.

G. Provide chainwheels on operators for valves 4 NPS and larger where located 96 inches or more above finished floor, terminating 60 inches above finished floor.

END OF SECTION 23-0523

St Louis, MO Schemmer No.: 009258.012

HANGERS AND SUPPORTS FOR HVAC PIPING

AND EQUIPMENT 23-0529 - Page 1

SECTION 23-0529 - HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Support and attachment components.

1.02 REFERENCE STANDARDS

A. ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.

B. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel

Hardware.

C. ASTM A181/A181M - Standard Specification for Carbon Steel Forgings, for General-Purpose

Piping.

D. ASTM A36/A36M - Standard Specification for Carbon Structural Steel.

E. ASTM A47/A47M - Standard Specification for Ferritic Malleable Iron Castings.

F. ASTM A283/A283M - Standard Specification for Low and Intermediate Tensile Strength Carbon

Steel Plates.

G. ASTM A395/A395M - Standard Specification for Ferritic Ductile Iron Pressure-Retaining

Castings for Use at Elevated Temperatures.

H. ASTM A653/A653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-

Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.

I. ASTM A1011/A1011M - Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength.

J. ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel.

K. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials.

L. FM (AG) - FM Approval Guide.

M. MFMA-4 - Metal Framing Standards Publication.

N. MSS SP-58 - Pipe Hangers and Supports - Materials, Design, Manufacture, Selection, Application, and Installation.

O. UL (DIR) - Online Certifications Directory.

P. UL 723 - Standard for Test for Surface Burning Characteristics of Building Materials.

1.03 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Coordinate sizes and arrangement of supports and bases with the actual equipment and components to be installed.

2. Coordinate the work with other trades to provide additional framing and materials required for installation.

3. Coordinate compatibility of support and attachment components with mounting surfaces at the installed locations.

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HANGERS AND SUPPORTS FOR HVAC PIPING

AND EQUIPMENT 23-0529 - Page 2

4. Coordinate the arrangement of supports with ductwork, piping, equipment and other potential conflicts installed under other sections or by others.

5. Notify Architect of any conflicts with or deviations from Contract Documents. Obtain direction before proceeding with work.

B. Sequencing:

1. Do not install products on or provide attachment to concrete surfaces until concrete has fully cured in accordance with Section 03-3000.

1.04 SUBMITTALS

A. See Section 01-3000 - ADMINISTRATIVE REQUIREMENTS for submittal procedures.

B. Product Data: Provide manufacturer's standard catalog pages and data sheets for channel

(strut) framing systems, nonpenetrating rooftop supports, post-installed concrete and masonry anchors, and thermal insulated pipe supports.

1.05 QUALITY ASSURANCE

A. Comply with applicable building code.

1.06 DELIVERY, STORAGE, AND HANDLING

A. Receive, inspect, handle, and store products in accordance with manufacturer's instructions.

PART 2 PRODUCTS

2.01 SUPPORT AND ATTACHMENT COMPONENTS

A. General Requirements:

1. Provide all required hangers, supports, anchors, fasteners, fittings, accessories, and hardware as necessary for the complete installation of plumbing work.

2. Provide products listed, classified, and labeled as suitable for the purpose intended, where applicable.

3. Where support and attachment component types and sizes are not indicated, select in accordance with manufacturer's application criteria as required for the load to be supported. Include consideration for vibration, equipment operation, and shock loads where applicable.

4. Do not use wire, chain, perforated pipe strap, or wood for permanent supports unless specifically indicated or permitted.

5. Steel Components: Use corrosion resistant materials suitable for the environment where installed.

a. Indoor Dry Locations: Use zinc-plated steel or approved equivalent unless otherwise indicated.

b. Outdoor and Damp or Wet Indoor Locations: Use stainless steel or approved equivalent unless otherwise indicated.

c. Zinc-Plated Steel: Electroplated in accordance with ASTM B633.

d. Galvanized Steel: Hot-dip galvanized after fabrication in accordance with ASTM

A123/A123M or ASTM A153/A153M.

B. Prefabricated Trapeze-Framed Metal Strut Systems:

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HANGERS AND SUPPORTS FOR HVAC PIPING

AND EQUIPMENT 23-0529 - Page 3

1. Manufacturers:

a. ABB Installation Products: electrification.us.abb.com/#sle.

b. B-Line, a brand of Eaton Corporation: www.eaton.com/#sle.

c. Unistrut, a brand of Atkore International Inc: www.unistrut.com/#sle.

d. Allied Tube & Conduit..

e. [Flex-Strut Inc.].

f. [Wesanco, Inc.].

g. Source Limitations: Furnish hardware, fittings, and accessories from single manufacturer.

2. MFMA-4 compliant, pre-fabricated, MSS SP-58 type 59 continuous-slot metal strut channel with associated tracks, fittings, and related accessories.

3. Strut Channel or Bracket Material:

4. Minimum Channel Thickness: Steel sheet, 12 gauge, 0.1046 inch.

5. Minimum Channel Dimensions: 1-5/8 inch width by 13/16 inch height.

6. Accessories: Provide bracket covers, cable basket clips, cable tray clips, clamps, conduit clamps, fire-retarding brackets, j-hooks, protectors, and vibration dampeners.

7. Comply with MSS SP-58. Arrange for grouping of parallel runs of horizontal piping, and support together on field-fabricated trapeze pipe hangers.

a. 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.

C. Hanger Rods:

1. Threaded zinc-plated steel unless otherwise indicated.

2. Trim excess length of continuous thread hanger and support rods to 1-1/2 inches.

D. Thermal Insulated Pipe Supports:

1. General Requirements:

a. Insulated pipe supports to be provided at hanger, support, and guide locations on pipe requiring insulation or additional support.

b. Surface Burning Characteristics: Flame spread index/smoke developed index of 5/30, maximum, when tested in accordance with ASTM E84 or UL 723.

c. Pipe supports to be provided for nominally sized, 1/2 to 30 inch iron pipes.

d. Insulation inserts to consist of rigid polyisocyanurate (urethane) insulation surrounded by a 360 degree, PVC jacketing.

2. Pipe insulation protection shields to be provided at the hanger points and guide locations on pipes requiring insulation as indicated on drawings.

E. Pipe Supports:

1. Material: ASTM A395/A395M ductile iron, ASTM A36/A36M carbon steel, ASTM A47/A47M malleable iron, ASTM A181/A181M forged steel, or ASTM A283/A283M steel.

2. Liquid Temperatures Up To 122 degrees F:

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HANGERS AND SUPPORTS FOR HVAC PIPING

AND EQUIPMENT 23-0529 - Page 4

a. Overhead Support: MSS SP-58 Types 1, 3 through 12.

b. Support From Below: MSS SP-58 Types 35 through 38.

3. Operating Temperatures from 122 to 446 degrees F:

a. Overhead Support: MSS SP-58 Type 1 or 3 through 12, with appropriate saddle of

MSS SP-58 Type 40 for insulated pipe.

b. Roller Support: MSS SP-58 Types 41 or 43 through 46, with appropriate saddle of

MSS SP-58 Type 39 for insulated pipe.

F. Beam Clamps:

1. MSS SP-58 types 19 through 23, 25 or 27 through 30 based on required load.

2. Beam C-Clamp: MSS SP-58 type 23, malleable iron and steel with plain, stainless steel, and zinc finish.

3. Small or Junior Beam Clamp: MSS SP-58 type 19, malleable iron with plain finish. For inverted usage provide manufacturer listed size(s).

4. Wide Mouth Beam Clamp: MSS SP-58 type 19, malleable iron with plain finish.

5. Centerload Beam Clamp with Extension Piece: MSS SP-58 type 30, malleable iron with plain finish.

6. FM (AG) and UL (DIR) Approved Beam Clamp: MSS SP-58 type 19, plain finish,

7. Provide clamps with hardened steel cup-point set screws and lock-nuts for anchoring in place.

8. Material: ASTM A395/A395M ductile iron, ASTM A36/A36M carbon steel, ASTM

A47/A47M malleable iron, ASTM A181/A181M forged steel, or ASTM A283/A283M steel.

G. Riser Clamps:

1. For insulated pipe runs, provide two bolt-type clamps designed for installation under insulation.

2. MSS SP-58 type 1 or 8, carbon steel or steel with stainless steel or zinc plated finish.

3. Medium Split Horizontal Pipe Clamp: MSS SP-58 type 4, carbon steel or stainless steel with stainless steel or zinc plated finish.

4. Copper Tube Pipe Clamp: MSS SP-58 type 8, epoxy plated copper.

5. UL (DIR) listed: Pipe sizes 1/2 to 8 inch.

H. Pipe Hangers:

1. Band Hangers, Adjustable:

a. MSS SP-58 Type 7 or 9, Zinc-plated ASTM A1011/A1011M steel or ASTM A653/A653M carbon steel.

2. Swivel Ring Hangers, Adjustable:

a. MSS SP-58 Type 10, epoxy-painted, zinc-colored.

b. Material: ASTM A395/A395M ductile iron, ASTM A36/A36M carbon steel, ASTM

A47/A47M malleable iron, ASTM A181/A181M forged steel, or ASTM A283/A283M steel.

c. FM (AG) and UL (DIR) listed for specific pipe size runs and loads.

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HANGERS AND SUPPORTS FOR HVAC PIPING

AND EQUIPMENT 23-0529 - Page 5

3. Clevis Hangers, Adjustable:

a. Copper Tube: MSS SP-58 Type 1, epoxy-plated copper.

b. Standard-Duty: MSS SP-58 Type 1, zinc-colored, epoxy plated.

I. Dielectric Barriers: Provide between metallic supports and metallic piping and associated items of dissimilar type; acceptable dielectric barriers include rubber or plastic sheets or coatings attached securely to pipe or item.

J. Pipe Shields for Insulated Piping:

1. General Construction and Requirements:

a. Surface Burning Characteristics: Comply with ASTM E84 or UL 723.

b. Shields Material: __________.

c. Maximum Insulated Pipe Outer Diameter: 12-5/8 inch.

d. Minimum Service Temperature: Minus 40 degrees F.

e. Maximum Service Temperature: 178 degrees F.

f. Pipe shields to be provided at hanger, support, and guide locations on pipe requiring insulation or additional support.

K. Anchors and Fasteners:

1. Unless otherwise indicated and where not otherwise restricted, use the anchor and fastener types indicated for the specified applications.

2. Concrete: Use preset concrete inserts, expansion anchors, or screw anchors.

3. Solid or Grout-Filled Masonry: Use expansion anchors or screw anchors.

4. Hollow Masonry: Use toggle bolts.

5. Hollow Stud Walls: Use toggle bolts.

6. Steel: Use beam-ceiling clamps, beam clamps, machine bolts, or welded threaded studs.

7. Beam Ceiling Flanges: ASTM A47/A47M Grade 32510, malleable iron or stainless steel with copper, plain, stainless steel, or zinc finish.

8. Sheet Metal: Use sheet metal screws.

9. Wood: Use wood screws.

10. Plastic and lead anchors are not permitted.

11. Powder-actuated fasteners are not permitted.

12. Hammer-driven anchors and fasteners are not permitted.

13. Preset Concrete Inserts: Continuous metal channel (strut) and spot inserts specifically designed to be cast in concrete ceilings, walls, and floors.

a. Comply with MFMA-4.

b. Channel Material: Use galvanized steel.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that field measurements are as indicated.

B. Verify that mounting surfaces are ready to receive support and attachment components.

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AND EQUIPMENT 23-0529 - Page 6

C. Verify that conditions are satisfactory for installation prior to starting work.

3.02 INSTALLATION

A. Install products in accordance with manufacturer's instructions.

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

C. Provide independent support from building structure. Do not provide support from piping, ductwork, conduit, or other systems.

D. Unless specifically indicated or approved by Architect, do not provide support from suspended ceiling support system or ceiling grid.

E. Unless specifically indicated or approved by Architect, do not provide support from roof deck.

F. Do not penetrate or otherwise notch or cut structural members without approval of Structural

Engineer.

G. Provide thermal insulated pipe supports complete with hangers and accessories. Install thermal insulated pipe supports during the installation of the piping system.

H. Equipment Support and Attachment:

1. Use metal fabricated supports or supports assembled from metal channel (strut) to support equipment as required.

2. Use metal channel (strut) secured to studs to support equipment surface-mounted on hollow stud walls when wall strength is not sufficient to resist pull-out.

3. Use metal channel (strut) to support surface-mounted equipment in wet or damp locations to provide space between equipment and mounting surface.

4. Unless otherwise indicated, mount floor-mounted equipment on properly sized 3-1/2 inch high concrete pad constructed in accordance with Section 03-3000.

5. Securely fasten floor-mounted equipment. Do not install equipment such that it relies on its own weight for support.

I. Preset Concrete Inserts: Use manufacturer-provided closure strips to inhibit concrete seepage during concrete pour.

J. Secure fasteners according to manufacturer's recommended torque settings.

K. Remove temporary supports.

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

3.03 FIELD QUALITY CONTROL

A. See Section 01-4000 - QUALITY REQUIREMENTS for additional requirements.

B. Inspect support and attachment components for damage and defects.

C. Repair cuts and abrasions in galvanized finishes using zinc-rich paint recommended by manufacturer. Replace components that exhibit signs of corrosion.

D. Correct deficiencies and replace damaged or defective support and attachment components.

END OF SECTION 23-0529

St Louis, MO Schemmer No.: 009258.012

IDENTIFICATION FOR HVAC PIPING AND

EQUIPMENT 23-0553 - Page 1

SECTION 23-0553 - IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Nameplates.

B. Tags.

C. Stencils.

D. Pipe markers.

E. Ceiling tacks.

1.02 SUBMITTALS

A. See Section 01-3000 - ADMINISTRATIVE REQUIREMENTS for submittal procedures.

B. Product Data: Provide manufacturers catalog literature for each product required.

PART 2 PRODUCTS

2.01 IDENTIFICATION APPLICATIONS

A. Air Handling Units: Nameplates.

B. Air Terminal Units: Tags.

C. Automatic Controls: Tags. Key to control schematic.

D. Control Panels: Nameplates.

E. Dampers: Ceiling tacks, where located above lay-in ceiling.

F. Ductwork: Stencilled painting.

G. Heat Transfer Equipment: Nameplates.

H. Instrumentation: Tags.

I. Major Control Components: Nameplates.

J. Piping: Pipe markers.

K. Pumps: Nameplates.

L. Small-sized Equipment: Tags.

M. Tanks: Nameplates.

N. Thermostats: Nameplates.

O. Valves: Tags and ceiling tacks where located above lay-in ceiling.

2.02 NAMEPLATES

A. Manufacturers:

1. Advanced Graphic Engraving, LLC: www.advancedgraphicengraving.com/#sle.

2. Brimar Industries, Inc: www.pipemarker.com/#sle.

3. Craftmark Pipe Markers: www.craftmarkid.com/#sle.

4. Kolbi Pipe Marker Co: www.kolbipipemarkers.com/#sle.

5. Seton Identification Products, a Tricor Direct Company: www.seton.com/#sle.

B. Letter Color: White.

C. Letter Height: 1/4 inch.

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IDENTIFICATION FOR HVAC PIPING AND

EQUIPMENT 23-0553 - Page 2

D. Background Color: Black.

E. Plastic: Comply with ASTM D709.

2.03 TAGS

A. Manufacturers:

1. Advanced Graphic Engraving: www.advancedgraphicengraving.com/#sle.

2. Brady Corporation: www.bradycorp.com/#sle.

3. Brimar Industries, Inc: www.pipemarker.com/#sle.

4. Craftmark Pipe Markers: www.craftmarkid.com/#sle.

5. Kolbi Pipe Marker Co: www.kolbipipemarkers.com/#sle.

6. Seton Identification Products, a Tricor Company: www.seton.com/#sle.

B. Plastic Tags: Laminated three-layer plastic with engraved black letters on light contrasting background color. Tag size minimum 1-1/2 inch diameter.

2.04 STENCILS

A. Manufacturers:

1. Brady Corporation: www.bradycorp.com/#sle.

2. Craftmark Pipe Markers: www.craftmarkid.com/#sle.

3. Insite Solutions, LLC: www.stop-painting.com/#sle.

4. Kolbi Pipe Marker Co: www.kolbipipemarkers.com/#sle.

5. Seton Identification Products, a Tricor Company: www.seton.com/#sle.

B. Stencils: With clean cut symbols and letters of following size:

1. Ductwork and Equipment: 2-1/2 inch high letters.

C. Stencil Paint: As specified in Section 09-9123, semi-gloss enamel, colors complying with ASME A13.1.

2.05 PIPE MARKERS

A. Color: Comply with ASME A13.1.

B. Plastic Pipe Markers: Factory fabricated, flexible, semi- rigid plastic, preformed to fit around pipe or pipe covering; minimum information indicating flow direction arrow and identification of fluid being conveyed.

C. Underground Plastic Pipe Markers: Bright-colored continuously printed plastic ribbon tape, minimum 6 inches wide by 4 mil, 0.004 inch thick, manufactured for direct burial service.

2.06 CEILING TACKS

A. Description: Steel with 3/4 inch diameter color coded head.

B. Color code as follows:

1. HVAC Equipment: Yellow.

2. Fire Dampers and Smoke Dampers: Red.

3. Heating/Cooling Valves: Blue.

PART 3 EXECUTION

3.01 PREPARATION

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IDENTIFICATION FOR HVAC PIPING AND

EQUIPMENT 23-0553 - Page 3

A. Degrease and clean surfaces to receive adhesive for identification materials.

3.02 INSTALLATION

A. Install nameplates with corrosive-resistant mechanical fasteners, or adhesive. Apply with sufficient adhesive to ensure permanent adhesion and seal with clear lacquer.

B. Install tags with corrosion resistant chain.

C. Apply stencil painting in accordance with Section 09-9123.

D. Install plastic pipe markers in accordance with manufacturer's instructions.

E. Install underground plastic pipe markers 6 to 8 inches below finished grade, directly above buried pipe.

F. Use tags on piping 3/4 inch diameter and smaller.

1. Identify service, flow direction, and pressure.

2. Install in clear view and align with axis of piping.

3. Locate identification not to exceed 20 feet on straight runs including risers and drops, adjacent to each valve and Tee, at each side of penetration of structure or enclosure, and at each obstruction.

G. Locate ceiling tacks to locate valves or dampers above lay-in panel ceilings. Locate in corner of panel closest to equipment.

END OF SECTION 23-0553

St Louis, MO Schemmer No.: 009258.012

TESTING, ADJUSTING, AND BALANCING FOR

HVAC 23-0593 - Page 1

SECTION 23-0593 - TESTING, ADJUSTING, AND BALANCING FOR HVAC

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Testing, adjustment, and balancing of air systems.

1.02 SUBMITTALS

A. See Section 01-3000 - ADMINISTRATIVE REQUIREMENTS, for submittal procedures.

B. TAB Plan: Submit a written plan indicating the testing, adjusting, and balancing standard to be followed and the specific approach for each system and component.

1. Submit to Architect.

2. Submit six weeks prior to starting the testing, adjusting, and balancing work.

3. Include at least the following in the plan:

a. List of all air flow, water flow, sound level, system capacity and efficiency measurements to be performed and a description of specific test procedures, parameters, formulas to be used.

b. Copy of field checkout sheets and logs to be used, listing each piece of equipment to be tested, adjusted and balanced with the data cells to be gathered for each.

c. Identification and types of measurement instruments to be used and their most recent calibration date.

d. Discussion of what notations and markings will be made on the duct and piping drawings during the process.

e. Final test report forms to be used.

f. Details of how TOTAL flow will be determined; for example:

1) Air: Sum of terminal flows via control system calibrated readings or via hood readings of all terminals, supply (SA) and return air (RA) pitot traverse, SA or RA flow stations.

2) Water: Pump curves, circuit setter, flow station, ultrasonic, etc.

g. Specific procedures that will ensure that both air and water side are operating at the lowest possible pressures and methods to verify this.

h. Procedures for formal deficiency reports, including scope, frequency and distribution.

C. Final Report: Indicate deficiencies in systems that would prevent proper testing, adjusting, and balancing of systems and equipment to achieve specified performance.

1. Revise TAB plan to reflect actual procedures and submit as part of final report.

2. Submit draft copies of report for review prior to final acceptance of Project. Provide final copies for Architect and for inclusion in operating and maintenance manuals.

3. Include actual instrument list, with manufacturer name, serial number, and date of calibration.

4. Form of Test Reports: Where the TAB standard being followed recommends a report format use that; otherwise, follow ASHRAE Std 111.

5. Units of Measure: Report data in I-P (inch-pound) units only.

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TESTING, ADJUSTING, AND BALANCING FOR

HVAC 23-0593 - Page 2

PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION

3.01 GENERAL REQUIREMENTS

A. Perform total system balance in accordance with one of the following:

1. AABC (NSTSB), AABC National Standards for Total System Balance.

2. SMACNA (TAB).

3. Maintain at least one copy of the standard to be used at project site at all times.

B. Begin work after completion of systems to be tested, adjusted, or balanced and complete work prior to Substantial Completion of the project.

C. TAB Agency Qualifications:

1. Company specializing in the testing, adjusting, and balancing of systems specified in this section.

2. Having minimum of three years documented experience.

3. Certified by one of the following:

a. AABC, Associated Air Balance Council: www.aabc.com/#sle; upon completion submit AABC National Performance Guaranty.

b. NEBB, National Environmental Balancing Bureau: www.nebb.org/#sle.

c. TABB, The Testing, Adjusting, and Balancing Bureau of National Energy Management

Institute: www.tabbcertified.org/#sle.

D. TAB Supervisor and Technician Qualifications: Certified by same organization as TAB agency.

3.02 EXAMINATION

A. Verify that systems are complete and operable before commencing work. Ensure the following conditions:

3.03 PREPARATION

A. Hold a pre-balancing meeting at least one week prior to starting TAB work.

B. Provide instruments required for testing, adjusting, and balancing operations. Make instruments available to Architect to facilitate spot checks during testing.

3.04 ADJUSTMENT TOLERANCES

A. Air Handling Systems: Adjust to within plus or minus 5 percent of design for supply systems and plus or minus 10 percent of design for return and exhaust systems.

B. Air Outlets and Inlets: Adjust total to within plus 10 percent and minus 5 percent of design to space. Adjust outlets and inlets in space to within plus or minus 10 percent of design.

C. Hydronic Systems: Adjust to within plus or minus 10 percent of design.

3.05 RECORDING AND ADJUSTING

A. Ensure recorded data represents actual measured or observed conditions.

B. Permanently mark settings of valves, dampers, and other adjustment devices allowing settings to be restored. Set and lock memory stops.

C. After adjustment, take measurements to verify balance has not been disrupted or that such disruption has been rectified.

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TESTING, ADJUSTING, AND BALANCING FOR

HVAC 23-0593 - Page 3

D. Leave systems in proper working order, replacing belt guards, closing access doors, closing doors to electrical switch boxes, and restoring thermostats to specified settings.

3.06 AIR SYSTEM PROCEDURE

A. Adjust air handling and distribution systems to provide required or design supply, return, and exhaust air quantities at site altitude.

B. Make air quantity measurements in ducts by Pitot tube traverse of entire cross sectional area of duct.

C. Measure air quantities at air inlets and outlets.

D. Adjust distribution system to obtain uniform space temperatures free from objectionable drafts and noise.

E. Use volume control devices to regulate air quantities only to extend that adjustments do not create objectionable air motion or sound levels. Effect volume control by duct internal devices such as dampers and splitters.

F. Vary total system air quantities by adjustment of fan speeds. Provide drive changes required.

Vary branch air quantities by damper regulation.

G. Provide system schematic with required and actual air quantities recorded at each outlet or inlet.

H. Adjust outside air automatic dampers, outside air, return air, and exhaust dampers for design conditions.

I. Measure temperature conditions across outside air, return air, and exhaust dampers to check leakage.

J. Where modulating dampers are provided, take measurements and balance at extreme conditions. Balance variable volume systems at maximum air flow rate, full cooling, and at minimum air flow rate, full heating.

K. Measure building static pressure and adjust supply, return, and exhaust air systems to provide required relationship between each to maintain approximately 0.05 inches positive static pressure near the building entries.

L. For variable air volume system powered units set volume controller to air flow setting indicated.

Confirm connections properly made and confirm proper operation for automatic variable air volume temperature control.

3.07 WATER SYSTEM PROCEDURE

A. Adjust water systems to provide required or design quantities.

B. Use calibrated Venturi tubes, orifices, or other metered fittings and pressure gauges to determine flow rates for system balance. Where flow metering devices are not installed, base flow balance on temperature difference across various heat transfer elements in the system.

C. Adjust systems to provide specified pressure drops and flows through heat transfer elements prior to thermal testing. Perform balancing by measurement of temperature differential in conjunction with air balancing.

D. Effect system balance with automatic control valves fully open to heat transfer elements.

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HVAC 23-0593 - Page 4

E. Effect adjustment of water distribution systems by means of balancing cocks, valves, and fittings. Do not use service or shut-off valves for balancing unless indexed for balance point.

F. Where available pump capacity is less than total flow requirements or individual system parts, full flow in one part may be simulated by temporary restriction of flow to other parts.

3.08 SCOPE

A. Test, adjust, and balance the following:

1. HVAC Pumps.

2. Packaged Steel Fire Tube Boilers.

3.09 MINIMUM DATA TO BE REPORTED

A. Pumps:

1. Identification/number.

2. Manufacturer.

3. Size/model.

4. Impeller.

5. Service.

6. Design flow rate, pressure drop, BHP.

7. Actual flow rate, pressure drop, BHP.

8. Discharge pressure.

9. Suction pressure.

10. Total operating head pressure.

11. Shut off, discharge and suction pressures.

12. Shut off, total head pressure.

B. Combustion Equipment:

1. Boiler manufacturer.

2. Model number.

3. Serial number.

4. Firing rate.

5. Overfire draft.

6. Gas meter time per revolution.

7. Gas pressure at meter outlet.

8. Gas flow rate.

9. Heat input.

10. Burner manifold gas pressure.

11. Ambient temperature.

12. Percent combustion efficiency.

13. Heat output.

C. Cooling Tower:

1. Tower identification/number.

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HVAC 23-0593 - Page 5

2. Manufacturer.

3. Model number.

4. Serial number.

5. Rated capacity.

6. Entering air WB temperature, specified and actual.

7. Leaving air WB temperature, specified and actual.

8. Ambient air DB temperature.

9. Condenser water entering temperature.

10. Condenser water leaving temperature.

11. Condenser water flow rate.

12. Fan RPM.

D. Heat Exchangers:

1. Identification/number.

2. Location.

3. Service.

4. Manufacturer.

5. Model number.

6. Serial number.

7. Primary water entering temperature, design and actual.

8. Primary water leaving temperature, design and actual.

9. Primary water flow, design and actual.

10. Primary water pressure drop, design and actual.

11. Secondary water leaving temperature, design and actual.

12. Secondary water flow, design and actual.

13. Secondary water pressure drop, design and actual.

E. Heating Coils:

1. Identification/number.

2. Location.

3. Service.

4. Manufacturer.

5. Air flow, design and actual.

6. Water flow, design and actual.

7. Water pressure drop, design and actual.

8. Entering water temperature, design and actual.

9. Leaving water temperature, design and actual.

10. Entering air temperature, design and actual.

11. Leaving air temperature, design and actual.

12. Air pressure drop, design and actual.

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HVAC 23-0593 - Page 6

F. Terminal Unit Data:

1. Manufacturer.

2. Type, constant, variable, single, dual duct.

3. Identification/number.

4. Location.

5. Model number.

6. Size.

7. Minimum static pressure.

8. Minimum design air flow.

9. Maximum design air flow.

10. Maximum actual air flow.

11. Inlet static pressure.

END OF SECTION 23-0593

St Louis, MO Schemmer No.: 009258.012

HVAC PIPING INSULATION 23-0719 - Page 1

SECTION 23-0719 - HVAC PIPING INSULATION

PART 1 GENERAL

1.01 SUBMITTALS

A. See Section 01-3000 - ADMINISTRATIVE REQUIREMENTS for submittal procedures.

B. Product Data: Provide product description, thermal characteristics, list of materials and thickness for each service, and locations.

1.02 QUALITY ASSURANCE

1.03 DELIVERY, STORAGE, AND HANDLING

A. Accept materials on site, labeled with manufacturer's identification, product density, and thickness.

1.04 FIELD CONDITIONS

A. Maintain ambient conditions required by manufacturers of each product.

B. Maintain temperature before, during, and after installation for minimum of 24 hours.

PART 2 PRODUCTS

2.01 REGULATORY REQUIREMENTS

A. Surface Burning Characteristics: Flame spread index/Smoke developed index of 25/50, maximum, when tested in accordance with ASTM E84 or UL 723.

2.02 GLASS FIBER, RIGID

A. Manufacturers:

1. CertainTeed Corporation.

2. Johns Manville Corporation

3. Knauf Insulation.

4. Owens Corning Corporation

5. Substitutions: See Section 01-6000 - PRODUCT REQUIREMENTS.

B. Insulation: ASTM C547 and ASTM C795; semi-rigid, noncombustible, end grain adhered to jacket.

1. K Value: ASTM C177, 0.24 at 75 degrees F.

2. Maximum Service Temperature: 650 degrees F.

3. Maximum Moisture Absorption: 0.2 percent by volume.

C. Vapor Barrier Jacket: White kraft paper with glass fiber yarn, bonded to aluminized film;

moisture vapor transmission when tested in accordance with ASTM E96/E96M of 0.02 perm-inches.

D. Tie Wire: 0.048 inch stainless steel with twisted ends on maximum 12 inch centers.

PART 3 EXECUTION

3.01 EXAMINATION

A. Test piping for design pressure, liquid tightness, and continuity prior to applying insulation materials.

B. Verify that surfaces are clean and dry, with foreign material removed.

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3.02 INSTALLATION

A. Install in accordance with manufacturer's instructions.

B. Install in accordance with NAIMA National Insulation Standards.

C. Exposed Piping: Locate insulation and cover seams in least visible locations.

D. Insulated Pipes Conveying Fluids Below Ambient Temperature:

1. Insulate entire system, including fittings, valves, unions, flanges, strainers, flexible connections, pump bodies, and expansion joints.

E. For hot piping conveying fluids 140 degrees F or less, do not insulate flanges and unions at equipment, but bevel and seal ends of insulation.

F. For hot piping conveying fluids over 140 degrees F, insulate flanges and unions at equipment.

G. Inserts and Shields:

1. Application: Piping 1-1/2 inches diameter or larger.

2. Insert location: Between support shield and piping and under the finish jacket.

3. Insert Configuration: Minimum 6 inches long, of same thickness and contour as adjoining insulation; may be factory fabricated.

4. Insert Material: Hydrous calcium silicate insulation or other heavy density insulating material suitable for the planned temperature range. Wood or other absorptive material is not acceptable.

H. Continue insulation through walls, sleeves, pipe hangers, and other pipe penetrations. Finish at supports, protrusions, and interruptions. At fire separations, see Section 07-8400.

3.03 SCHEDULE

A. Heating Systems:…