7 20260331_Palmer Courthouse Fire Sprinkler Specification Addendum 2.pdf

Stantec Alaska Court System Project No. 2014331970 Palmer Courthouse Renovation & Expansion 3/31/2026 100% Construction Documents

SEALS PAGES 00 01 07 - 4

1.4 MECHANICAL ENGINEERING

A. I hereby certify that the mechanical portions of this Addendum #2 Project Specification were prepared by me or under my direct supervision and that I am a duly registered Professional Engineer under the laws of the State of Alaska.

Carol Li Mechanical Engineer of Record Phone:

Carol.li@stantec.com

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GENERAL FIRE-PROTECTION REQUIREMENTS 21 00 00 - 1

SECTION 21 00 00

GENERAL FIRE-PROTECTION REQUIREMENTS

PART 1 GENERAL

1.01 GENERAL REFERENCES

A. Contract Documents: Refer to complete set of Contract Documents for requirements that are related to or may affect the work described in this Section.

B. Division 20, including all Common Mechanical Requirements in Section 20 00 00, apply to this Section. Requirements noted in this Section are supplemental to the requirements of these General References.

C. Drawings

1. Any drawings prepared by the Consultant are provided only to show the general features of the systems, and general concepts of the arrangement and locations of the sprinklers.

2. Submit detailed AutoCAD and REVIT drawings of all fire suppression sprinkler systems, fire suppression standpipes, clean agent suppression systems, and other fire suppression or fire extinguishing systems, for both shop drawings and record drawings.

a. Shop drawings shall be signed and sealed by the Contractor's Supporting

Professional Fire Protection Engineer (Delegated Design), including hydraulic calculations.

3. Sprinklers shall be referred to on drawings, submittals, and other documentation, by the sprinkler identification or model number as specifically published in the appropriate agency listing or approval.

4. The Fire Suppression Contractor's Supporting Professional Fire Protection Engineer (Delegated Design) shall include for all sprinklers as required to fully comply with NFPA 13, local by-laws and the Provincial Building Code and Local Building By-Laws, whether or not they are indicated on the Consultant’s, Architect’s, or any other drawings.

5. Indicate on the drawings all information required by the Authority Having Jurisdiction including features of the building construction, direction and size of beams, ceiling configurations, partition locations, as well as light fixtures (noting the depths of surface mounted light fixtures where these occur) and diffuser locations.

6. Indicate the positions and elevations of the sprinklers with respect to the floor elevations;

the temperature rating all sprinklers; the spacing and types of hangers; drains and low point drains; test and flushing connections; types of sprinkler alarms; locations and types of sprinkler control valves; backflow preventers and all other essential features of the piping systems.

7. Sprinklers shall be referred to on drawings, submittals, and other documentation, by the sprinkler identification or model number as specifically published in the appropriate agency listing or approval.

1.02 QUALITY ASSURANCE

A. The Fire Suppression Contractor shall retain the services of a Supporting Professional Fire

Protection Engineer (Delegated Design) to provide complete engineering design and field review services including signed and sealed CAD fire suppression drawings and hydraulic calculations.

B. The Fire Suppression Contractor's Supporting Professional Fire Protection Engineer (Delegated Design) shall provide signed and sealed Letters of Assurance for the project as required by Provincial Building Code and Local Building By-Laws.

1. Some Cities or Municipalities may allow sprinkler contractors to perform limited amounts of sprinkler work (such as the relocation or addition of a limited number of sprinklers) under a Trade Permit, without the requirement of submitting Letters of Assurance.

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GENERAL FIRE-PROTECTION REQUIREMENTS 21 00 00 - 2

a. Where this scenario is permitted by the City or Municipality, the sprinkler contractor may not, under the scope of this contract, break down the work and take out multiple Trade Permits to alleviate submitting the Letters of Assurance.

2. Where the project size is limited enough to consider the previous clause, Stantec still requires Letters of Assurance from a Contractor's Supporting Professional Fire Protection Engineer (Delegated Design) as specified.

a. If detailed calculations are not required for a project, then a signed and sealed letter from the Contractor's Supporting Professional Fire Protection Engineer (Delegated Design) confirming design approach (i.e., pipe schedule method) shall be submitted.

C. The Fire Suppression Contractor shall retain the services of a Contractor's Supporting Professional Seismic Engineer (Delegated Design)

1. This Seismic Engineer shall provide complete engineering design and field review services for all seismic restraints.

a. Refer to “Document Submittals” for additional information.

D. Any drawings prepared by the Consultant are provided only to show the general features of the systems, and general concepts of the arrangement and locations of the sprinklers.

1.03 COORDINATION

A. Divisions 20, 21, 22 and 23 are used to communicate the requirements for the total Mechanical scope of work. It is intended for these four Divisions to serve as a single document, communicating the Mechanical scope of work.

B. Division 20 Specifications serve as common Mechanical requirements that apply to all Division 21, 22, and 23 Specifications and Scope of Work.

C. All requirements of Division 20 Specifications shall apply to all Division 23 Specifications and Scope of Work, unless noted otherwise.

1.04 SCOPE OF WORK

A. It is intended for the Division 20 Specifications to serve as common requirements that apply to all Division 21, 22, and 23 Specifications and Scope of Work. All requirements of the Division 20 Specifications shall apply to all Division 23 Specifications and Scope of Work, unless noted otherwise.

B. It is intended for the Division 20, 21, 22, 23 scope of work to include complete and functional Mechanical systems - including all required materials, labor, equipment, and services necessary to achieve the desired final product. It is further intended for the Division 23 scope of work to include coordination with Divisions 21 and 22 for complete Fire Protection, Plumbing, and HVAC systems.

PART 2 PRODUCTS (NOT USED)

PART 3 EXECUTION (NOT USED)

END OF SECTION

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COMMON WORK RESULTS FOR FIRE-

PROTECTION 21 05 00 - 1

SECTION 21 05 00

COMMON WORK RESULTS FOR FIRE-PROTECTION

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Hangers and supports.

1. Metal Pipe Hangers and Supports

2. Trapeze Pipe Hangers

3. Metal Framing Systems

4. Thermal Hanger-Shield Inserts

5. Fastener Systems

6. Pipe Stands

7. Equipment Supports

8. Materials

B. General Duty Valves for Water-Based Fire-Protection Systems.

1. Two-Piece Ball Valves with Indicators

2. Bronze Butterfly Valves with Indicators

3. Iron Butterfly Valves with Indicators

4. Check Valves

5. Bronze OS&Y Gate Valves

6. Iron OS&Y Gate Valves

7. NRS Gate Valves

8. Indicator Posts

9. Trim and Drain Valves

10. Pressure Reducing Valves

C. Backflow Prevention Assemblies.

1. Reduced-Pressure, Backflow Prevention Assembly

2. Double-Check, Backflow Preventer Assemblies

3. Reduced-Pressure, Detector Backflow Prevention Assemblies

4. Double-Check, Detector Backflow Prevention Assemblies

5. Backflow Prevention Assembly Test Kits

D. Identification for fire-protection piping and equipment.

1. Equipment Labels

2. Warning Signs and Labels

3. Warning Tape

4. Pipe Labels

5. Stencils

6. Valve Tags

7. Warning Tags

8. Identification Signs

9. Fire Protection System Diagrams

1.02 GENERAL REFERENCES

A. Contract Documents: Refer to complete set of Contract Documents for requirements that are related to or may affect the work described in this Section.

B. Division 20, including all Common Mechanical Requirements in Section 20 00 00, apply to this

Section. Requirements noted in this section are supplemental to the requirements of these General References.

1.03 RELATED REQUIREMENTS

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A. Contract Documents: Refer to complete set of Contract Documents for requirements that are related to or may affect the work described in this Section.

B. Refer to and comply with Section 10 44 13 - Fire Protection Cabinets and Section 10 44 16 - Fire Extinguishers as applicable.

C. Refer to and comply with Section 20 05 00 - Common Mechanical Work Results for sleeves, stack-sleeve fittings, sleeve-seal systems, escutcheons, floor plates, grout, and silicone sealants.

D. Refer to and comply with Section 20 05 13 - Common Mechanical Motor Requirements for general motor requirements, motor characteristics, polyphase motors (1/2 HP and larger), polyphase motors with additional requirements, and single-phase motors (less than 1/2 HP).

E. Refer to and comply with Section 20 05 33 - Heat Tracing as applicable.

F. Refer to and comply with Section 20 05 48 - Vibration and Seismic Controls as applicable.

G. Refer to and comply with Section 20 07 00 - Mechanical Insulation as applicable.

H. Refer to and comply with Section 20 08 00 - Mechanical Commissioning as applicable.

1.04 REFERENCE STANDARDS

A. ANSI Z535.1 - Standard for Safety Colors; Approved Edition.

B. ASCE/SEI 7 - Minimum Design Loads and Associated Criteria for Buildings and Other

Structures; 2016.

C. ASME A13.1 - Scheme for the Identification of Piping Systems; 2023.

D. ASME A112.1.2 - x; x.

E. ASME B1.20.1 - Pipe Threads, General Purpose, Inch; 2013 (Reaffirmed 2018).

F. ASME B16.1 - Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250; 2020.

G. ASME B31.9 - Building Services Piping; 2020.

H. ASSE 1013 - Performance Requirements for Reduced Pressure Principle Backflow Prevention

Assemblies; 2021.

I. ASSE 1015 - Performance Requirements for Double Check Backflow Prevention Assemblies;

2021.

J. ASSE 1047 - Performance Requirements for Reduced Pressure Detector Backflow Prevention

Assemblies; 2021.

K. ASSE 1048 - Performance Requirements for Double Check Detector Backflow Prevention

Assemblies; 2021e.

L. ASTM A36/A36M - Standard Specification for Carbon Structural Steel; 2019.

M. ASTM A240/A240M - Standard Specification for Chromium and Chromium-Nickel Stainless

Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications; 2025a.

N. ASTM A780/A780M - Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip

Galvanized Coatings; 2020.

O. 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; 2023.

P. ASTM C533 - Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation;

2017 (Reapproved 2023).

Q. ASTM C552 - Standard Specification for Cellular Glass Thermal Insulation; 2022.

R. ASTM C591 - Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate

Thermal Insulation; 2022.

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S. ASTM C1107/C1107M - Standard Specification for Packaged Dry, Hydraulic-Cement Grout (Nonshrink); 2020.

T. AWS D1.1/D1.1M - Structural Welding Code - Steel; 2025.

U. AWWA C510 - Double Check-Valve Backflow Prevention Assembly; 2017 (Reaffirmed 2021).

V. AWWA C511 - Reduced-Pressure Principle Backflow Prevention Assembly; 2017 (Reaffirmed

2021).

W. AWWA C550 - Protective Interior Coatings for Valves and Hydrants; 2024.

X. AWWA C606 - Grooved and Shouldered Joints; 2022.

Y. MFMA-4 - Metal Framing Standards Publication; 2004.

Z. MFMA-103 - x; x.

AA. MSS SP-58 - Pipe Hangers and Supports - Materials, Design, Manufacture, Selection, Application, and Installation; 2018, with Amendment (2019).

BB. MSS SP-69 - Pipe Hangers And Supports - Selection And Application; Approved Edition.

CC. NFPA 13 - Standard for the Installation of Sprinkler Systems; 2022.

DD. NFPA 14 - Standard for the Installation of Standpipe and Hose Systems; 2024.

EE. NFPA 20 - Standard for the Installation of Stationary Pumps for Fire Protection; 2022.

FF. NFPA 24 - Standard for the Installation of Private Fire Service Mains and Their Appurtenances;

2025.

GG. NFPA 25 - Standard for the Inspection, Testing, and Maintenance of Water-Based Fire

Protection Systems; 2026.

HH. NFPA 70E - Standard for Electrical Safety in the Workplace; 2024.

II. SSPC-PA 1 - Shop, Field, and Maintenance Coating of Metals; 2024.

JJ. UL 203 - Standard for Pipe Hanger Equipment for Fire Protection Service; Approved Edition.

KK. UL 262 - Gate Valves for Fire-Protection Service; Current Edition, Including All Revisions.

LL. UL 312 - Check Valves for Fire-Protection Service; Current Edition, Including All Revisions.

MM. UL 789 - Indicator Posts for Fire-Protection Service; Current Edition, Including All Revisions.

NN. UL 1091 - Standard for Butterfly Valves for Fire-Protection Service; Current Edition, Including

All Revisions.

1.05 ABBREVIATIONS AND ACRONYMS

A. EPDM: Ethylene propylene diene monomer.

B. FM: Factory Mutual Global.

C. GPM: Gallons (U.S.) per minute.

D. NFPA: National Fire Protection Association.

E. NPS: Nominal pipe size.

F. NRS: Non-rising stem.

G. OS&Y: Outside screw and yoke.

H. PSIG: Pounds per square inch gauge.

I. SBR: Styrene-butadiene rubber.

J. UL: Underwriter’s Laboratories.

1.06 DEFINITIONS

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A. High-Pressure Valves: Valves designed and listed to operate at a working pressure higher than standard 175 psig , but not higher than 300 psig as required by maximum local system pressure where installed.

B. Standard-Pressure Valves: Valves designed and listed to operate at a working pressure of 175 psig maximum.

1.07 PERFORMANCE REQUIREMENTS

A. Hangers and Supports:

1. Delegated Design: Engage a qualified professional engineer, as defined in Section 01 40 00 - Quality Requirements, to design seismic bracing, trapeze pipe hangers and equipment supports, including comprehensive engineering analysis.

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

a. Design supports for multiple pipes, including pipe stands, capable of supporting combined weight of supported systems, system contents, and test water.

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

c. Design seismic-restraint hangers and supports for piping and equipment meeting requirements of NFPA 13 and ASCE/SEI 7. Obtain approval from authorities having jurisdiction.

3. NFPA Compliance: Comply with NFPA 13.

4. UL Compliance: Comply with UL 203.

B. General Duty Valves for Water-Based Fire Protection Systems:

1. UL Listed: Valves shall be listed in UL's "Online Certifications Directory" under the headings listed below and shall bear UL mark.

a. Fire Main Equipment: HAMV - Main Level

1) Indicator Posts, Gate Valve: HCBZ - Level 1

2) Ball Valves, System Control: HLUG - Level 3

3) Butterfly Valves: HLXS - Level 3

4) Check Valves: HMER - Level 3

5) Gate Valves: HMRZ - Level 3

b. Sprinkler System & Water Spray System Devices: VDGT – Main Level

1) Valves, Trim and Drain: VQGU – Level 1

2. FM Global Approved: Valves shall be listed in its "Approval Guide," under the headings listed below:

a. Automated Sprinkler Systems:

1) Indicator posts.

2) Valves.

(a) Gate valves.

(b) Check valves.

(c) Miscellaneous valves.

3. ASME Compliance:

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

b. ASME B1.20.1 for threads for threaded-end valves.

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

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

5. NFPA Compliance for valves:

a. Comply with NFPA 13, NFPA 14, NFPA 20 and NFPA 24.

6. Valve Pressure Ratings: Not less than the minimum pressure rating as required by the maximum system pressure at location of valve.

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

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8. Valve Actuator Types:

a. Worm-gear actuator with handwheel for quarter-turn valves, except for trim and drain valves.

b. Handwheel: For other than quarter-turn trim and drain valves.

c. Hand lever: For quarter-turn trim and drain valves NPS 2 and smaller.

9. Product Data:

a. For each type of product, excluding motors which are included in Part 1 of the fire-protection equipment Sections.

1) Include construction details, material descriptions, and dimensions of components.

2) Include operating characteristics and furnished accessories.

10. Shop Drawings: Signed and sealed by a qualified professional engineer. All hanger types and locations shall be indicated on the shop drawings. Provide Product Data for components and show fabrication and installation details and include calculations for the following:

a. Trapeze pipe hangers.

b. Metal framing systems.

c. Pipe stands.

d. Equipment supports.

e. Seismic supports.

11. Delegated-Design Submittal: For trapeze hangers and seismic bracing required to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

a. Detail fabrication and assembly of trapeze hangers.

b. Include design calculations for designing trapeze hangers.

12. Equipment-Label Schedule: Include a listing of all equipment to be labeled and the proposed content for each label.

13. Valve numbering scheme.

14. Valve Schedules: Provide for fire-suppression piping systems. Include in operation and maintenance manuals.

15. Field quality-control reports.

16. Welding certificates.

17. Furnish copy of latest edition of NFPA 25 “Standard for the Inspection, Testing, and

Maintenance of Water-Based Fire Protection Systems.”

18. After completing a fire-protection system installation, the Contractor shall submit to the authority having jurisdiction a written certification that the system has been installed in accordance with the approved plans and tested in accordance with NFPA 13 and manufacturer’s recommendations.

19. Include manufacturer’s descriptive literature, operating instructions, cleaning procedures, replacement parts list, maintenance and repair data.

20. Record As-built drawings.

21. Record digital files.

a. Digital layout models.

b. Product data.

c. Final submittals with responses.

1.08 QUALITY ASSURANCE

A. Installer Qualifications: Utilize an installer having demonstrated experience on projects of similar size and complexity and possessing documentation proving successful completion of fire protection systems training.

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B. Codes and NFPA Standards: Materials, equipment and installation of hangers and supports for fire protection piping shall comply with NFPA 13, local building codes and the requirements of all Authorities Having Jurisdiction.

C. Hangers and supports for fire protection piping shall be listed and labeled by Underwriters Laboratories and approved by FM Global.

D. Steel pipe hangers and supports shall have the manufacturer’s name, part number, and applicable size stamped in the part itself for identification.

E. Hangers and supports shall be designed and manufactured in conformance with MSS SP 58.

F. Certifications: Provide letters of certification as follows.

1. Installer will utilize skilled workers holding a trade qualification license or equivalent, or apprentices under the supervision of a licensed tradesperson.

G. Structural Steel Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M.

H. Pipe Welding Qualifications: Qualify procedures and operators according to 2015 ASME Boiler and Pressure Vessel Code, Section IX.

1.09 MOCK-UPS AND SAMPLES

A. Samples: For color, letter style, and graphic representation required for each identification material and device.

1.10 DELIVERY, STORAGE, AND HANDLING

A. Prepare valves for shipping as follows:

1. Protect internal parts against rust and corrosion.

2. Protect threads, flange faces, and weld ends.

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

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.

C. Use sling to handle large valves; rig sling to avoid damage to exposed parts. Do not use operating handles or stems as lifting or rigging points.

D. Protect flanges and specialties from moisture and dirt.

PART 2 PRODUCTS

2.01 HANGERS AND SUPPORTS

A. Metal Pipe Hangers and Supports:

a. Anvil International.

b. Cooper B-Line.

c. Erico.

d. Hilti.

e. Tolco.

2. Carbon-Steel Pipe Hangers and Supports:

a. Description: Factory-fabricated components, NFPA approved, UL listed and FM approved for fire-suppression piping support.

b. Galvanized Metallic Coatings: Pre-galvanized or hot-dip galvanized.

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

3. Stainless-Steel Pipe Hangers and Supports:

a. Description: Factory-fabricated components, NFPA approved, UL listed or FM approved for fire-suppression piping support.

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b. Hanger Rods: Continuous-thread rod, nuts, and washer made of stainless steel.

4. Copper Pipe Hangers:

a. Description: Copper-coated steel, factory-fabricated components, NFPA approved, UL listed or FM approved for fire-suppression piping support.

b. Hanger Rods: Continuous-thread rod, nuts, and washer made of copper-coated steel B. Trapeze Pipe Hangers:

1. Description: MSS SP-69, Type 59, shop- or field-fabricated pipe-support assembly made from structural carbon-steel shapes with NFPA approved, UL listed and FM approved electro-galvanized carbon-steel hanger rods, nuts, saddles, and U-bolts

C. Metal Framing Systems:

1. MFMA Manufacturer Metal Framing Systems:

1) B-line, an Eaton business.

2) Flex-Strut Inc.

3) Unistrut; Part of Atkore International.

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

c. Standard: Comply with MFMA-4, factory-fabricated components for field assembly.

d. Channels: Continuous slotted carbon-steel channel with in-turned lips.

e. Channel Width: Selected for applicable load criteria.

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

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

h. Metallic Coating: Pre-galvanized G90.

i. Paint Coating: Green epoxy, acrylic, or urethane.

2. Non-MFMA Manufacturer Metal Framing Systems:

1) Anvil International.

2) ERICO International Corporation.

3) PHD Manufacturing, Inc.

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

c. Standard: Comply with MFMA-4, factory-fabricated components for field assembly.

d. Channels: Continuous slotted carbon-steel channel with in-turned lips.

e. Channel Width: Select for applicable load criteria.

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

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

h. Metallic Coating: Pre-galvanized G90.

i. Paint Coating: Green epoxy, acrylic, or urethane.

D. Thermal Hanger-Shield Inserts:

a. ERICO International Corporation.

b. National Pipe Hanger Corporation.

c. Pipe Shields Inc.

2. Insulation-Insert Material: Water-repellent-treated, ASTM C533, Type I calcium silicate with 100-psi ASTM C552, Type II cellular glass with 100-psi or ASTM C591, Type VI, Grade 1 polyisocyanurate with 125-psi minimum compressive strength.

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

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

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5. Insert Length: Extend 2 inches beyond sheet metal shield for piping operating below ambient air temperature.

E. Fastener Systems:

1. Powder-Actuated Fasteners: NFPA-approved, UL-listed, and FM-approved 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.

1) Hilti, Inc.

2) ITW Ramset/Red Head; Illinois Tool Works, Inc.

3) MKT Fastening, LLC.

4) Simpson Strong-Tie Co., Inc.

2. Mechanical-Expansion Anchors: NFPA-approved, UL-listed, and FM-approved, 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) B-line, an Eaton business.

2) Hilti, Inc.

3) ITW Ramset/Red Head; Illinois Tool Works, Inc.

4) MKT Fastening, LLC.

b. Indoor Applications: Zinc-coated or Stainless steel.

c. Outdoor Applications: Stainless steel.

F. Pipe Stands:

1. General Requirements for Pipe Stands: Shop- or field-fabricated assemblies made of manufactured electro-galvanized carbon steel components to support piping.

G. Equipment Supports:

1. Design Mix for Concrete Pads: 5000-psi, 28-day compressive strength.

2. Equipment Supports of Steel Construction: Shop- or field-fabricated assemblies made of manufactured electro-galvanized carbon steel components to suppor equipment.

H. Materials:

1. Carbon Steel: ASTM A1011/A1011M.

2. Structural Steel: ASTM A36/A36M, carbon-steel plates, shapes, and bars; black and galvanized.

3. Stainless Steel: ASTM A240/A240M.

4. Grout: ASTM C1107/C1107M, factory-mixed and -packaged, dry, hydraulic-cement, nonshrinking and nonmetallic grout; suitable for interior and exterior applications.

a. Grout: ASTM C1107/C1107M, factory-mixed and -packaged, dry, hydraulic-cement, nonshrinking and nonmetallic grout; suitable for interior and exterior applications.

b. Design Mix: 5000-psi, 28-day compressive strength.

2.02 GENERAL DUTY VALVES FOR WATER-BASED FIRE-PROTECTION SYSTEMS

A. Two-Piece Ball Valves with Indicators:

a. Ames Fire & Waterworks; A Watts Water Technologies Company.

b. NIBCO INC.

c. Victaulic Company.

2. Description:

a. UL 1091, except with ball instead of disc and FM Global standard for indicating valves (butterfly or ball type), Class Number 1112.

b. Body Design: Two piece.

c. Body Material: Forged brass or bronze.

d. Port Size: Full or standard.

e. Seats: PTFE.

f. Stem: Bronze or stainless steel.

g. Ball: Chrome-plated brass.

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h. Actuator: Worm gear or traveling nut.

i. Supervisory Switch: Internal or external.

j. End Connections for Valves NPS 1 through NPS 2 : Threaded ends.

k. End Connections for Valves NPS 2-1/2 : Grooved ends.

B. Bronze Butterfly Valves with Indicators:

a. Milwaukee Valve Company.

2. Description:

a. Standard: UL 1091 and FM Global standard for indicating valves, (butterfly or ball type), Class Number 1112.

b. Body Material: Bronze.

c. Seat Material: EPDM.

d. Stem Material: Bronze or stainless steel.

e. Disc: Bronze with EPDM coating.

f. Actuator: Worm gear or traveling nut.

g. Supervisory Switch: Internal.

h. Ends Connections for Valves NPS 1 through NPS 2 : Threaded ends.

i. Ends Connections for Valves NPS 2-1/2 : Grooved ends.

C. Iron Butterfly Valves with Indicators:

a. Kennedy Valve Company; a division of McWane, Inc.

b. NIBCO INC.

c. Tyco Fire Products; brand of Johnson Controls International plc, Building Solutions

North America.

d. Victaulic Company.

e. Zurn Industries, LLC.

2. Description:

a. Standard: UL 1091 and FM Global standard for indicating valves, (butterfly or ball type), Class Number 112.

b. Body Material: Cast or ductile iron [with nylon, EPDM, epoxy, or polyamide coating].

c. Seat Material: EPDM.

d. Stem: Stainless steel.

e. Disc: Ductile iron, nickel plated and EPDM or SBR coated.

f. Actuator: Worm gear or traveling nut.

g. Supervisory Switch: Internal.

h. Body Design: Grooved-end connections.

D. Check Valves:

a. FEBCO; A WATTS Brand.

b. Fire Protection Products Inc (FPPI); a brand of Anvil International and Smith-Cooper

International.

c. Mueller Co. LLC; Mueller Water Products, Inc.

d. NIBCO INC.

e. Reliable Automatic Sprinkler Co., Inc. (The).

f. Tyco Fire Products; brand of Johnson Controls International plc, Building Solutions

North America.

g. United Brass Works, Inc.

h. Victaulic Company.

i. Viking Group Inc.

j. WATTS; A Watts Water Technologies Company.

k. Zurn Industries, LLC.

2. Description:

a. Standard: UL 312 and FM Global standard for swing check valves, Class Number

1210.

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b. Type for fire department connections and general purpose: Single swing check.

c. Type for fire pump discharge: Fire pump discharge check valves shall be FM Global approved as “anti-water hammer” type.

d. Body Material: Cast iron, ductile iron, or bronze.

e. Clapper: Bronze, ductile iron, or stainless steel with elastomeric seal.

f. Clapper Seat: Brass, bronze, or stainless steel.

g. Hinge Shaft: Bronze or stainless steel.

h. Hinge Spring: Stainless steel.

i. End Connections: Flanged, grooved, or threaded.

E. Bronze OS&Y Gate Valves:

a. Milwaukee Valve Company.

b. NIBCO INC.

c. United Brass Works, Inc.

d. Zurn Industries, LLC.

2. Description:

a. Standard: UL 262 and FM Global standard for fire-service water control valves

(OS&Y- and NRS-type gate valves).

b. Body and Bonnet Material: Bronze or brass.

c. Wedge: One-piece bronze or brass.

d. Wedge Seat: Bronze.

e. Stem: Bronze or brass.

f. Packing: Non-asbestos PTFE.

g. Supervisory Switch: External.

h. End Connections: Threaded.

F. Iron OS&Y Gate Valves:

a. American Cast Iron Pipe Company.

b. Clow Valve Company; a subsidiary of McWane, Inc.

c. Hammond Valve.

d. Mueller Co. LLC; Mueller Water Products, Inc.

e. NIBCO INC.

f. Victaulic Company.

g. WATTS; A Watts Water Technologies Company.

h. Zurn Industries, LLC.

2. Description:

a. Standard: UL 262 and FM Global standard for fire-service water control valves

(OS&Y- and NRS-type gate valves)

b. Body and Bonnet Material: Cast or ductile iron.

c. Wedge: Cast or ductile iron, or bronze with elastomeric coating.

d. Wedge Seat: Cast or ductile iron, or bronze with elastomeric coating.

e. Stem: Brass or bronze.

f. Packing: Non-asbestos PTFE.

g. Supervisory Switch: External.

h. End Connections: Flanged.

G. NRS Gate Valves:

a. American Cast Iron Pipe Company.

b. Clow Valve Company; a subsidiary of McWane, Inc.

c. Mueller Co. LLC; Mueller Water Products, Inc.

d. NIBCO INC.

e. Victaulic Company.

f. Zurn Industries, LLC.

2. Description:

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a. Standard: UL 262 and FM Global standard for fire-service water control valves (OS&Y- and NRS-type gate valves).

b. Body and Bonnet Material: Cast or ductile iron.

c. Wedge: Cast or ductile iron with elastomeric coating.

d. Wedge Seat: Cast or ductile iron, or bronze with elastomeric coating.

e. Stem: Brass or bronze.

f. Packing: Non-asbestos PTFE.

g. Supervisory Switch: External.

h. End Connections: Flanged.

H. Indicator Posts:

a. American Cast Iron Pipe Company.

b. Clow Valve Company; a subsidiary of McWane, Inc.

c. Mueller Co. LLC; Mueller Water Products, Inc.

d. NIBCO INC.

2. Description:

a. Standard: UL 789 and FM Global standard for indicator posts.

b. Type: Underground.

c. Base Barrel Material: Cast or ductile iron.

d. Extension Barrel: Cast or ductile iron.

e. Cap: Cast or ductile iron.

f. Operation: Wrench.

I. Trim and Drain Valves:

1. Ball Valves:

1) Fire Protection Products Inc (FPPI); a brand of Anvil International and Smith- Cooper International.

2) Fire-End & Croker Corporation.

3) Milwaukee Valve Company.

4) NIBCO INC.

5) Potter Roemer LLC; a Division of Morris Group International.

6) Red-White Valve Corp.

7) Tyco Fire Products; brand of Johnson Controls International plc, Building

Solutions North America.

8) Victaulic Company.

9) WATTS; A Watts Water Technologies Company.

10) Zurn Industries, LLC.

b. Description:

1) Body Design: Two-piece.

2) Body Material: Forged brass or bronze.

3) Port size: Full or standard.

4) Seats: PTFE.

5) Stem: Bronze or stainless steel.

6) Ball: Chrome-plated brass.

7) Actuator: Hand lever.

8) End Connections for Valves NPS 1 through NPS 2-1/2 : Threaded ends.

9) End Connections for Valves NPS 1-1/4 and NPS 2-1/2 : Grooved ends.

2. Angle Valves:

1) Fire Protection Products Inc (FPPI); a brand of Anvil International and Smith-

Cooper International.

2) NIBCO INC.

3) United Brass Works, Inc.

b. Description:

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1) Body Material: Brass or bronze.

2) Ends: Threaded.

3) Stem: Bronze.

4) Disc: Bronze.

5) Packing: Asbestos free.

6) Handwheel: Malleable iron, bronze, or aluminum.

3. Globe Valves:

1) NIBCO INC.

2) United Brass Works, Inc.

b. Description:

1) Body Material: Bronze with integral seat and screw-in bonnet.

2) Ends: Threaded.

3) Stem: Bronze.

4) Disc Holder and Nut: Bronze.

5) Disc Seat: Nitrile.

6) Packing: Asbestos free.

7) Handwheel: Malleable iron, bronze, or aluminum.

J. Pressure Reducing Valves:

a. Bermad Inc.

b. Cla-Val Co.

c. Reliable Automatic Sprinkler Company, Inc.

d. Tyco Fire & Building Products.

e. Victaulic Company.

f. Viking Corporation.

2. Description: Pilot-operation, diaphragm-type, single-seated main water control valve with AWWA C550 or FDA-approved, interior epoxy coating. Include small pilot control valve, restrictor device, specialty fittings, and sensor piping. UL listed and FM Global approved.

3. Main Valve Body: Cast or ductile iron with AWWA C550 or FDA-approved, interior epoxy coating; or stainless-steel body.

a. Size: _______ .

b. Pattern: Globe-valve design.

c. Trim: Stainless steel.

4. Design Flow Rate: _______.

5. Design Inlet Pressure: _______.

6. Design Outlet Pressure Setting:_______.

7. End Connections: Threaded for NPS 2 and smaller; flanged for NPS 2-1/2 and larger.

2.03 BACKFLOW PREVENTION ASSEMBLIES

A. Reduced-Pressure, Backflow Prevention Assembly.

a. Ames Company, Inc.

b. FEBCO, Division of Watts Water Technologies Inc.

c. Watts Regulator Company.

d. Zurn Water, LLC – Wilkins.

2. Standard: ASSE 1013 or AWWA C511.

3. Operation: Continuous-pressure applications.

4. Pressure Loss: 12 psig maximum, through middle one-third of flow range.

5. Size: _______.

6. Design Flow Rate: _______.

7. Selected Unit Flow Range Limits: _______.

8. Pressure Loss at Design Flow Rate: _______.

9. Body Material: Bronze for NPS 2 and smaller; cast iron with interior lining complying with

AWWA C550 or that is FDA approved for NPS 2-1/2 and larger.

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10. End Connections: Threaded for NPS 2 and smaller; flanged for NPS 2-1/2 and larger.

11. Configuration: Designed for horizontal, straight through flow.

12. Accessories:

a. Valves: Ball type with threaded ends on inlet and outlet of NPS 2 and smaller; OS&Y gate type with flanged ends on inlet and outlet of NPS 2-1/2 and larger.

b. Air-Gap Fitting: ASME A112.1.2, matching backflow preventer connection.

B. Double-Check, Backflow Preventer Assemblies.

a. Ames Company, Inc.

b. FEBCO, Division of Watts Water Technologies Inc.

c. Watts Regulator Company.

d. Zurn Water, LLC – Wilkins.

2. Standard: ASSE 1015 or AWWA C510.

3. Operation: Continuous-pressure applications unless otherwise indicated.

4. Pressure Loss: 5 psig maximum, through middle one-third of flow range.

5. Size: _______.

6. Design Flow Rate: _______.

7. Selected Unit Flow Range Limits:_______ .

8. Pressure Loss at Design Flow Rate: _______.

9. Body Material: Bronze for NPS 2 and smaller; cast iron with interior lining complying with

AWWA C550 or that is FDA approved for NPS 2-1/2 and larger.

10. End Connections: Threaded for NPS 2 and smaller; flanged for NPS 2-1/2 and larger.

11. Configuration: Designed for horizontal, straight through flow.

12. Accessories: Ball valves with threaded ends on inlet and outlet of NPS 2 and smaller;

OS&Y gate valves with flanged ends on inlet and outlet of NPS 2-1/2 and larger.

C. Reduced-Pressure, Detector Backflow Prevention Assemblies:

a. Ames Company, Inc.

b. FEBCO, Division of Watts Water Technologies Inc.

c. Watts Regulator Company.

d. Zurn Water, LLC – Wilkins.

2. Standards: ASSE 1047 and UL's "Fire Protection Equipment Directory" listing or FM Global's "Approval Guide."

3. Operation: Continuous-pressure applications.

4. Pressure Loss: 12 psig maximum, through middle one-third of flow range.

5. Size: _______.

6. Design Flow Rate: _______.

7. Selected Unit Flow Range Limits: _______.

8. Pressure Loss at Design Flow Rate: _______.

9. Body Material: Cast iron with interior lining complying with AWWA C550 or that is FDA approved.

10. End Connections: Flanged.

11. Configuration: Designed for horizontal, straight through flow.

12. Accessories:

a. Valves: UL 262 and FM Global's "Approval Guide" listing; OS&Y gate type with flanged ends on inlet and outlet.

b. Air-Gap Fitting: ASME A112.1.2, matching backflow preventer connection.

c. Bypass: With displacement-type water meter, shutoff valves, and reduced-pressure backflow preventer.

D. Double-Check, Detector Backflow Prevention Assemblies:

a. Ames Company, Inc.

b. FEBCO, Division of Watts Water Technologies Inc.

c. Watts Regulator Company.

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d. Zurn Water, LLC – Wilkins.

2. Standards: ASSE 1048 and UL's "Fire Protection Equipment Directory" listing or FM

Global's "Approval Guide."

3. Operation: Continuous-pressure applications.

4. Pressure Loss: 5 psig (35 kPa) maximum, through middle one-third of flow range.

5. Size: _______.

6. Design Flow Rate:_______.

7. Selected Unit Flow Range Limits: _______.

8. Pressure Loss at Design Flow Rate: _______.

9. Body Material: Cast iron with interior lining complying with AWWA C550 or that is FDA approved.

10. End Connections: Flanged.

11. Configuration: Designed for horizontal, straight through flow.

12. Accessories:

a. Valves: UL 262 and FM Global's "Approval Guide" listing; OS&Y gate type with flanged ends on inlet and outlet.

b. Bypass: With displacement-type water meter, shutoff valves, and reduced-pressure backflow preventer.

E. Backflow Prevention Assembly Test Kits:

a. Ames Company, Inc.

b. FEBCO, Division of Watts Water Technologies Inc.

c. Watts Regulator Company.

d. Zurn Water, LLC – Wilkins.

2. Description: Factory calibrated, with gages, fittings, hoses, and carrying case with test-procedure instructions

2.04 IDENTIFICATION FOR FIRE-PROTECTION PIPING AND EQUIPMENT

A. Equipment Labels:

1. Metal Labels for Equipment:

1) Brady Corporation.

2) Carlton Industries, LP.

3) Champion America.

4) Craftmark Pipe Markers.

5) Emedco.

6) Kolbi Pipe Marker Co.

7) LEM Products Inc.

8) Marking Services Inc.

9) Pipemarker.com; Brimar Industries, Inc.

10) Seton Identification Products; a Brady Corporation company.

b. Material and Thickness: Brass, 0.032 inch, stainless steel, 0.025 inch, aluminum,

0.032 inch or anodized aluminum, 0.032 inch thick, with predrilled holes for attachment hardware.

c. Letter and Background Color: As indicated for specific application under Part 3.

d. Minimum Label Size: Length and width vary for required label content, but not less than 2-1/2 by 3/4 inch.

e. Minimum Letter Size: 1/4 inch for name of units if viewing distance is less than 24 inches, 1/2 inch for viewing distances up to 72 inches, and proportionately larger lettering for greater viewing distances. Include secondary lettering two-thirds to three-fourths the size of principal lettering.

f. Fasteners: Stainless-steel rivets or self-tapping screws.

g. Adhesive: Contact-type permanent adhesive, compatible with label and with substrate.

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2. Plastic Labels for Equipment:

1) Brady Corporation.

2) Carlton Industries, LP.

3) Champion America.

4) Craftmark Pipe Markers.

5) Emedco.

6) Kolbi Pipe Marker Co.

7) LEM Products Inc.

8) Marking Services Inc.

9) Pipemarker.com; Brimar Industries, Inc.

10) Seton Identification Products; a Brady Corporation company.

b. Material and Thickness: Multilayer, multicolor, plastic labels for mechanical engraving, 1/8 inch thick, with predrilled holes for attachment hardware.

c. Letter and Background Color: As indicated for specific application under Part 3.

d. Maximum Temperature: Able to withstand temperatures up to 160 deg F.

e. Minimum Label Size: Length and width vary for required label content, but not less than 2-1/2 by 3/4 inch.

f. Minimum Letter Size: 1/4 inch for name of units if viewing distance is less than 24 inches, 1/2 inch for viewing distances up to 72 inches, and proportionately larger lettering for greater viewing distances. Include secondary lettering two-thirds to three-fourths the size of principal lettering.

g. Fasteners: Stainless-steel rivets or self-tapping screws.

h. Adhesive: Contact-type permanent adhesive, compatible with label and with substrate.

3. Label Content: Include equipment's Drawing designation or unique equipment number, drawing numbers where equipment is indicated (plans, details, and schedules), and the Specification Section number and title where equipment is specified.

4. Equipment-Label Schedule: For each item of equipment to be labeled, on 8-1/2-by-11-inch bond paper. Tabulate equipment identification number and identify Drawing numbers where equipment is indicated (plans, details, and schedules) and the Specification Section number and title where equipment is specified. Equipment schedule shall be included in operation and maintenance data.

B. Warning Signs and Labels:

a. Brady Corporation.

b. Carlton Industries, LP.

c. Champion America.

d. Craftmark Pipe Markers.

e. Emedco.

f. LEM Products Inc.

g. Marking Services Inc.

h. National Marker Company.

i. Pipemarker.com; Brimar Industries, Inc.

j. Seton Identification Products; a Brady Corporation company.

k. Stranco, Inc.

2. Material and Thickness: Multilayer, multicolor, plastic labels for mechanical engraving, 1/8 inch thick, with predrilled holes for attachment hardware.

3. Letter and Background Color: As indicated for specific application under Part 3.

4. Maximum Temperature: Able to withstand temperatures up to 160 deg F.

5. Minimum Label Size: Length and width vary for required label content, but not less than 2-

1/2 by 3/4 inch.

6. Minimum Letter Size: 1/4 inch for name of units if viewing distance is less than 24 inches, 1/2 inch for viewing distances up to 72 inches, and proportionately larger lettering for

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greater viewing distances. Include secondary lettering two-thirds to three-fourths the size of principal lettering.

7. Fasteners: Stainless-steel rivets or self-tapping screws.

8. Adhesive: Contact-type permanent adhesive, compatible with label and with substrate.

9. Label Content: Include caution and warning information, plus emergency notification instructions.

C. Warning Tape:

a. Brady Corporation.

b. Craftmark Pipe Markers.

c. National Marker Company.

d. Pipemarker.com; Brimar Industries, Inc.

e. Seton Identification Products; a Brady Corporation company.

2. Material: Vinyl.

3. Minimum Thickness: 0.005 inch.

4. Letter, Pattern, and Background Color: As indicated for specific application under Part 3.

5. Waterproof Adhesive Backing: Suitable for indoor or outdoor use.

6. Maximum Temperature: 160 deg F.

7. Minimum Width: 4 inches.

D. Pipe Labels:

a. Actioncraft Products, Inc.; a division of Industrial Test Equipment Co., Inc.

b. Brady Corporation.

c. Carlton Industries, LP.

d. Champion America.

e. Craftmark Pipe Markers.

f. Emedco.

g. Kolbi Pipe Marker Co.

h. LEM Products Inc.

i. Marking Services Inc.

j. Pipemarker.com; Brimar Industries, Inc.

k. Seton Identification Products; a Brady Corporation company.

2. General Requirements for Manufactured Pipe Labels: Preprinted, color-coded, with lettering indicating service and showing flow direction according to ASME A13.1.

3. Letter and Background Color: As indicated for specific application under Part 3.

4. Pretensioned Pipe Labels: Precoiled, semirigid plastic formed to cover full circumference of pipe and to attach to pipe without fasteners or adhesive.

5. Self-adhesive Pipe Labels: Printed plastic with contact-type, permanent-adhesive backing.

6. Pipe-Label Contents: Include identification of piping service using same designations or abbreviations as used on Drawings, pipe size, and an arrow indicating flow direction.

a. Flow-Direction Arrows: Include flow-direction arrows on main distribution piping.

Arrows may be either integral with label or applied separately.

b. Lettering Size: At least 1/2 inch for viewing distances up to 72 inches and proportionately larger lettering for greater viewing distances.

E. Stencils:

a. Craftmark Pipe Markers.

b. Kolbi Pipe Marker Co.

c. Marking Services Inc.

d. Pipemarker.com; Brimar Industries, Inc.

2. Lettering Size: At least 1/2 inch for viewing distances up to 72 inches and proportionately larger lettering for greater viewing distances.

3. Stencil Material: Fiberboard or metal.

4. Stencil Paint: Exterior, gloss, alkyd enamel. Paint may be in pressurized spray-can form.

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5. Identification Paint: Exterior, alkyd enamel. Paint may be in pressurized spray-can form.

F. Valve Tags:

a. Actioncraft Products, Inc.; a division of Industrial Test Equipment Co., Inc.

b. Brady Corporation.

c. Carlton Industries, LP.

d. Champion America.

e. Craftmark Pipe Markers.

f. Emedco.

g. Kolbi Pipe Marker Co.

h. LEM Products Inc.

i. Marking Services Inc.

j. Pipemarker.com; Brimar Industries, Inc.

k. Seton Identification Products; a Brady Corporation company.

2. Description: Stamped or engraved with 1/4 inch letters for piping-system abbreviation and 1/2 inch numbers.

a. Tag Material: Brass, 0.032 inch, stainless steel, 0.025 inch, aluminum, 0.032 inch or anodized aluminum, 0.032 inch thick, with predrilled holes for attachment hardware.

b. Fasteners: Brass wire-link chain or beaded chain.

3. Valve Schedules: For each piping system, on 8-1/2-by-11-inch (A4) bond paper. Tabulate valve number, piping system, system abbreviation (as shown on valve tag), location of valve (room or space), normal-operating position (open, closed, or modulating), and variations for identification. Mark valves for emergency shutoff and similar special uses.

a. Include valve-tag schedule in operation and maintenance data.

G. Warning Tags:

a. Brady Corporation.

b. Champion America.

c. Craftmark Pipe Markers.

d. Emedco.

e. Kolbi Pipe Marker Co.

f. LEM Products Inc.

g. Marking Services Inc.

h. Pipemarker.com; Brimar Industries, Inc.

i. Seton Identification Products; a Brady Corporation company.

2. Description: Preprinted or partially preprinted, accident-prevention tags, of plasticized card stock with matte finish suitable for writing.

a. Size: 3 by 5-1/4 inches minimum.

b. Fasteners: Reinforced grommet and wire.

c. Nomenclature: Large-size primary caption such as "DANGER," "CAUTION," or "DO

NOT OPERATE."

H. Identification Signs:

1. Hydraulic Design Information Sign:

a. Identify all hydraulically designed sprinkler systems, in accordance with NFPA system requirements with a permanently marked (by engraving) weatherproof metal or rigid plastic sign. The signs shall be secured with corrosion resistant wire or chain. Such signs shall be located at the sprinkler system control valve supplying the corresponding hydraulically designed area.

b. The sign shall include the location of the design area, discharge densities over the design area, flow and residual pressure demand at the base of the riser, occupancy classification or commodity classification and maximum permitted storage height and configuration, hose stream allowance included in addition to the sprinkler demand, and the name of the installing contractor.

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2. Identification of Valves:

a. All control, drain, and test connection valves shall be provided with a permanently marked (by engraving) weatherproof metal or rigid plastic identification signs. The identification signs shall be secured with corrosion resistant wire or chain.

b. The sign shall identify purpose of valve and the portion of the building served.

3. General Information Sign:

a. Provide a general information sign, conforming to NFPA 13, used to determine system design basis and information relevant to the inspection, testing, and maintenance requirements required by NFPA 25, “Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems.”

I. Fire Protection System Diagrams:

1. Provide fire protection system diagrams, drawn to scale, framed and under glass to be permanently posted in a conspicuous location in the fire pump room. Diagrams shall show the water supply, fire pumps, fire department connections, sprinkler and standpipe mains, risers and all valves.

PART 3 EXECUTION

3.01 APPLICATION

A. Hangers and Supports:

1. 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 250 lb.

2. Comply with NFPA requirements for pipe-hanger selections and applications that are not specified in piping system Sections.

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

4. Use nonmetallic coatings on attachments for electrolytic…