40 05 78.29 - Combination Air Valves For Wastewater Service.pdf

40 05 78.29 – COMBINATION AIR VALVES FOR WASTEWATER SERVICE

Herbert, Rowland & Grubic, Inc. 40 05 78.29 - 1 000483.0450

SECTION 40 05 78.29 – COMBINATION AIR VALVES FOR WASTEWATER SERVICE

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes: Combination air valves for wastewater treatment facilities.

B. Related Requirements:

1. Section 40 05 07 – Hangers and Supports for Process Piping: Anchors and supports.

2. Section 40 05 51 – Common Requirements for Process Valves: Typical product and installation requirements for valves specified in this Section.

1.2 REFERENCE STANDARDS

A. American Water Works Association:

1. AWWA C512 - Air-Release, Air/Vacuum, and Combination Air Valves for

Waterworks Service.

B. ASME International:

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

250.

C. ASTM International:

1. ASTM A126 - Standard Specification for Gray Iron Castings for Valves, Flanges, and

Pipe Fittings.

2. ASTM A536 - Standard Specification for Ductile Iron Castings.

D. International Organization for Standardization:

1. ISO 9001 - Quality Management Systems.

1.3 COORDINATION

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

B. Coordinate Work of this Section with installation of process piping.

1.4 PREINSTALLATION MEETINGS

A. Section 01 31 19 – Project Meetings: Requirements for pre-installation 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: Submit manufacturer catalog information.

Herbert, Rowland & Grubic, Inc. 40 05 78.29 - 2 000483.0450

C. Shop Drawings: Indicate materials, dimensions, weights, and end connections on assembly drawings.

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

E. Manufacturer Instructions: Submit special procedures and setting dimensions.

F. Source Quality-Control Submittals: Indicate results of shop or factory tests and inspections.

G. Field Quality-Control Submittals: Indicate results of Contractor-furnished tests and inspections.

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

I. Qualifications Statements:

1. Submit qualifications for manufacturer and installer.

2. Submit manufacturer's approval of installer.

1.6 CLOSEOUT SUBMITTALS

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

B. Project Record Documents: Record actual locations of combination air valves.

1.7 QUALITY ASSURANCE

A. Manufacturer Quality Management System: Certified to ISO 9001.

1.8 QUALIFICATIONS

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

B. Installer: Company specializing in performing Work of this Section with minimum three years' documented experience and approved by manufacturer.

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:

Herbert, Rowland & Grubic, Inc. 40 05 78.29 - 3 000483.0450

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

2. Furnish temporary end caps and closures on piping and fittings and maintain in place until installation.

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.

1.11 WARRANTY

A. Section 01 78 36 – Execution and Closeout Requirements: Requirements for warranties.

B. Furnish one-year manufacturer's warranty for combination air valves.

PART 2 - PRODUCTS

2.1 COMBINATION AIR VALVES FOR WASTEWATER SERVICE

A. Manufacturers:

1. APCO, Model ASU.

2. ARI, Model D-26.

3. H-TEC, Model 990-00

4. Substitutions: As specified in Section 01 61 00 – Product Requirements.

B. Description:

1. Type:

a. Automatic, float operated.

b. Body: Single.

2. Comply with AWWA C512.

3. Size: As indicated on Drawings.

4. Suitable for sewage service.

5. Pressure Rating: 2-250 psig.

C. Materials:

1. Body and Cover: 316 Stainless Steel.

2. Float, Seat, and Trim: Type 316 Stainless Steel or polypropylene.

3. Seats: Buna-N or as recommended by manufacturer.

4. Seals: As recommended by manufacturer

D. Prepare piping appurtenances for field finishes as specified in Section 09 91 00 - Painting and Coating.

2.2 SOURCE QUALITY CONTROL

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

Herbert, Rowland & Grubic, Inc. 40 05 78.29 - 4 000483.0450 analysis.

B. Provide shop inspection and testing of completed assembly.

C. Certificate of Compliance:

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

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

PART 3 - EXECUTION

3.1 EXAMINATION

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

B. Verify that field dimensions are as indicated on Drawings.

C. Inspect existing flanges for nonstandard bolt hole configurations or design and verify that new pipe and flanges mate properly.

3.2 PREPARATION

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

B. Thoroughly clean end connections before installation.

C. Close pipe and equipment openings with caps or plugs during installation.

D. Cleaning: Clean surfaces to remove foreign substances.

3.3 INSTALLATION

A. According to manufacturer instructions.

B. Provide access for operation, removal, and maintenance, and to avoid discharge to occupied areas or other equipment.

3.4 FIELD QUALITY CONTROL

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

B. Inspect for interferences and proper supports.

C. Testing:

1. As specified in Section 40 05 51 – Common Requirements for Process Valves.

2. Demonstrate operation without undue noise or vibration.

D. Manufacturer Services: Furnish services of manufacturer's representative experienced in installation of products furnished under this Section for not less than 1 day on Site for

Herbert, Rowland & Grubic, Inc. 40 05 78.29 - 5 000483.0450 installation, inspection, startup, field testing, and instructing Owner's personnel in operation and maintenance of equipment.

E. Equipment Acceptance:

1. Adjust, repair, modify, or replace components failing to perform as specified and rerun tests.

2. Make final adjustments to equipment under direction of manufacturer's representative.

3. Repair damaged coatings with material equal to original coating.

F. Furnish installation certificate from equipment manufacturer's representative attesting that equipment has been properly installed and is ready for startup and testing.

3.5 CLEANING

A. Section 01 73 00 – Execution Requirements: Requirements for cleaning.

B. Keep interior of air release valves clean as installation progresses.

3.6 DEMONSTRATION

A. Section 01 73 00 – Execution Requirements: Requirements for demonstration and training.

B. Demonstrate equipment startup, shutdown, routine maintenance, and emergency repair procedures to Owner's personnel.

END OF SECTION 40 05 78.29