40 05 51 - Common Requirements For Process Valves..pdf

40 05 51 – COMMON REQUIREMENTS FOR PROCESS VALVES

Herbert, Rowland & Grubic, Inc. 40 05 51 - 1 000483.0450

SECTION 40 05 51 – COMMON REQUIREMENTS FOR PROCESS VALVES

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Valves.

2. Valve actuators.

B. Related Requirements:

1. Section 03 30 00 – Cast-in-Place Concrete: Execution requirements for placement of concrete as required by this Section.

2. Section 40 05 07 – Hangers and Supports for Process Piping: Product and execution requirements for valve supports specified by this Section.

1.2 REFERENCE STANDARDS

A. American Water Works Association:

1. AWWA C541 - Hydraulic and Pneumatic Cylinder and Vane-Type Actuators for

Valves and Slide Gates.

2. AWWA C542 - Electric Motor Actuators for Valves and Slide Gates.

3. AWWA C550 - Protective Interior Coatings for Valves and Hydrants.

B. ASTM International:

1. ASTM B62 - Standard Specification for Composition Bronze or Ounce Metal

Castings.

2. ASTM B584 - Standard Specification for Copper Alloy Sand Castings for General

Applications.

C. Manufacturers Standardization Society:

1. MSS SP-25 - Standard Marking System for Valves, Fittings, Flanges, and Unions.

D. National Electrical Manufacturers Association:

1. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum).

E. NFPA:

1. NFPA 70 - National Electrical Code (NEC).

F. NSF International:

1. NSF 61 - Drinking Water System Components - Health Effects.

2. NSF 372 - Drinking Water System Components - Lead Content.

G. UL:

1. Equipment Directory.

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1.3 COORDINATION

A. Section 01 31 13 – Project Coordination: Requirements for coordination.

B. Coordinate Work of this Section with piping, equipment, and appurtenances.

1.4 PREINSTALLATION MEETINGS

A. Section 01 31 19 – Project Meetings: Requirements for preinstallation meeting.

B. Convene minimum one week prior to commencing Work of this Section.

1.5 SUBMITTALS

A. Section 01 33 00 – Submittal Procedures: Requirements for submittals.

B. Product Data:

1. Submit manufacturer information for actuator with model number and size indicated.

2. Submit valve cavitation limits.

C. Valve-Labeling Schedule: Indicate valve locations and nametag text.

D. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

E. Certification of Valves Larger Than 12 Inches: Furnish certified copies of hydrostatic factory tests, indicating compliance with applicable standards.

F. Manufacturer Instructions: Submit installation instructions and special requirements.

G. Source Quality-Control Submittals: Indicate results of factory tests and inspections.

H. Field Quality-Control Submittals: Indicate results of Contractor-furnished tests and inspections, including factory-applied coatings.

I. Manufacturer Reports: Certify that equipment has been installed according to manufacturer instructions.

J. Qualifications Statement:

1. Submit qualifications for manufacturer and licensed professional.

1.6 CLOSEOUT SUBMITTALS

A. Section 01 77 00 – Closeout Requirements: Requirements for submittals.

B. Project Record Documents: Record actual locations of valves and actuators.

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1.7 QUALITY ASSURANCE

A. Maintain clearances as indicated on Drawings and Shop Drawings.

B. Ensure that materials of construction of wetted parts are compatible with process liquid.

C. Materials in Contact with Potable Water: Certified to NSF 61 and NSF 372.

1.8 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this Section with minimum three years' documented experience.

B. Licensed Professional: Professional engineer experienced in design of specified Work and licensed in State of Pennsylvania.

1.9 DELIVERY, STORAGE, AND HANDLING

A. Section 01 61 00 – Product Requirements: Requirements for transporting, handling, storing, and protecting products.

B. Inspection: Accept materials on Site in manufacturer's original packaging and inspect for damage.

C. Store materials according to manufacturer instructions.

D. Protection:

1. Protect materials from moisture and dust by storing in clean, dry location remote from construction operations areas.

2. Protect valve ends from entry of foreign materials by providing temporary covers and plugs.

3. Provide additional protection according to manufacturer instructions.

1.10 EXISTING CONDITIONS

A. Field Measurements:

1. Verify field measurements prior to fabrication.

2. Indicate field measurements on Shop Drawings.

PART 2 - PRODUCTS

2.1 VALVES

A. Description: Valves, operator, actuator, handwheel, chainwheel, extension stem, floor stand, worm and gear operator, operating nut, chain, wrench, and other accessories as required.

B. Valve Ends: Compatible with adjacent piping system.

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C. Operation:

1. Open by turning counterclockwise; close by turning clockwise.

2. Cast directional arrow on valve or actuator with OPEN and CLOSE cast on valve in appropriate location.

D. Buried Valves:

1. Provide buried valves with valve boxes, cover, and extensions.

2. Buried valves shall be provided with a 2 inch operating nut.

3. Valves boxes shall be cast iron, 5-1/4 inch diameter, two piece, screw type.

4. Cover shall be labeled “SEWER”.

5. Extensions shall be provided to so that operating nut is a maximum of 4 feet below grade.

E. Valve Construction:

1. Bodies: Rated for maximum temperature and pressure to which valve will be subjected as specified in valve Sections.

2. Bonnets:

a. Clamped, screwed, or flanged to body and of same material and pressure rating as body.

b. Furnish glands, packing nuts, or yokes as specified in valve Sections.

3. Stems and Stem Guides:

a. Materials and Seals: As specified in valve Sections.

b. Space stem guides 10 feet o.c.

c. Submerged Stem Guides: Type 304 stainless steel.

4. Nuts and Bolts: As specified in Section 05 50 00 - Metal Fabrications.

2.2 VALVE ACTUATORS

A. Provide actuators with position indicators for shutoff valves 4 inches and larger.

B. Provide chain actuators for shutoff valves mounted 7 feet above operating floor level.

C. Provide gear and power actuators with position indicators.

D. Gear-Assisted Manual Actuators:

1. Provide totally enclosed gears.

2. Maximum Operating Force: 60 lbf.

3. Bearings: Permanently lubricated bronze.

4. Packing: Accessible for adjustment without requiring removal of actuator from valve.

E. Chain Actuator:

1. Description: Chain guides and hot-dip galvanized operating chain extending to 5-

1/2 feet above operating floor level.

2. Chain Wheels: Sprocket-rim type.

3. Furnish chain storage if chains may interfere with pedestrian traffic.

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F. Valve Actuators in NEC Class I, Group D, Division 1 or 2 Hazardous Locations: UL approved.

G. Accessories:

1. Handwheel:

a. Furnish permanently attached handwheel for emergency manual operation.

b. Rotation: None during powered operation.

c. Permanently affix directional arrow and cast OPEN and or CLOSE on handwheel to indicate appropriate direction to turn handwheel.

d. Maximum Operating Force: 60 lbf.

2.3 FINISHES

A. Valve Lining and Coating: Comply with AWWA C550.

B. Exposed Valves: As specified in Section 09 90 00 – Painting and Coating.

C. Do not coat flange faces of valves unless otherwise specified.

2.4 SOURCE QUALITY CONTROL

A. Section 01 40 00 – Quality Requirements: Requirements for testing, inspection, and analysis.

B. Testing: Test valves according to manufacturer's standard testing protocol, including hydrostatic, seal, and performance testing.

C. Certificate of Compliance:

1. If manufacturer is approved by authorities having jurisdiction, submit certificate of compliance indicating Work performed at manufacturer's facility conforms to Contract Documents.

2. Specified shop tests are not required for Work performed by approved manufacturer.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Section 01 73 00 – Execution Requirements: Requirements for installation examination.

B. Verify that piping system is ready for valve installation.

3.2 INSTALLATION

A. Install valves, actuators, extensions, valve boxes, and accessories according to manufacturer instructions.

B. Firmly support valves to avoid undue stresses on piping.

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C. Coat studs, bolts and nuts with anti-seizing lubricant.

D. Clean field welds of slag and splatter to provide a smooth surface.

E. Install valves with stems upright or horizontal, not inverted.

F. Install brass male adapters on each side of valves in copper-piped system and solder adapters to pipe.

G. Install 3/4-inch ball valves with cap for drains at main shutoff valves, low points of piping, bases of vertical risers, and equipment.

H. Install valves with clearance for installation of insulation and to allow access.

I. Provide access where valves and fittings are not accessible.

J. Pipe Hangers and Supports: As specified in Section 40 05 07 – Hangers and Supports for Process Piping.

K. Comply with Division 40 - Process Interconnections for piping materials applying to various system types.

L. Valve Applications:

1. Install valves at locations as indicated on Drawings and as specified in this Section.

3.3 FIELD QUALITY CONTROL

A. Section 01 40 00 – Quality Requirements: Requirements for inspecting and testing.

B. Valve Field Testing:

1. Test for proper alignment.

2. Field test equipment to demonstrate operation without undue noise, vibration, or overheating.

3. Architect/Engineer will witness field testing.

END OF SECTION 40 05 51