bafbrwhq15550.pdf

SECTION 15550 REPAIR WING HEADQUARTERS, BLDG 706

BREECHINGS, CHIMNEYS, AND STACKS CRWU 06-2071

06/09/09 15550-1 BUCKLEY AFB

SECTION 15550 - BREECHINGS, CHIMNEYS, AND STACKS

PART 1 - GENERAL

1.01 SUMMARY:

A. This Section includes the following:

1. Listed double-wall chimneys.

1.02 REFERENCES:

A. Applicable Standards (Latest Edition):

1. American Welding Society (AWS):

a. D1.1/D1.1M - Structural Welding Code - Steel.

b. D9.1/D9.1M - Sheet Metal Welding Code.

2. ASME International (ASME):

a. B16.5 - Pipe Flanges and Flanged Fittings, NPS 1/2 to NPS 24.

b. B16.9 - Factory Made Wrought Steel Buttwelding Fittings.

c. STS-1 - Stetel Stacks.

3. ASTM International (ASTM):

a. A53/A53M - Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and

Seamless.

b. A106 - Seamless Carbon steel Pipe for High-Temperature Service.

c. A240/A240M - Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and

Strip for Pressure Vessels and for General Applications.

d. A666 - Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and

Flat Bar.

e. A959 - Harmonized Standard Grade Compositions for Wrought Stainless Steels.

f. A1011/A1011M - Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-

Strength Low-Alloy and High Strength Low-Alloy with Improved Formability.

g. B209 - Aluminum and Aluminum-Alloy Sheet and Plate.

h. B209M - Aluminum and Aluminum-Alloy Sheet and Plate (Metric).

4. National Fire Protection Association (NFPA):

a. 96 - Ventilation Control and Fire Protection of Commercial Cooking Operations.

b. 211 - Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances.

5. Sheet Metal and Air Conditioning Contractors' National Association (SMACNA):

a. Guide for Steel Stack Design and Construction.

6. Underwriters Laboratories Inc. (UL):

a. 103 - Factory-Built Chimneys for Residential Type and Building Heating

Appliance.

b. 959 - Medium Heat Appliance Factory-Built Chimneys.

1.03 SUBMITTALS:

A. General: Submit each item in this Article in accordance with SECTION 15050 - BASIC

MECHANICAL MATERIALS AND METHODS.

B. Product Data: For the following:

1. Building-heating-appliance chimneys.

2. Guy wires and connectors.

C. Welding certificates.

D. Warranty: Special warranty specified in this Section.

SECTION 15550 REPAIR WING HEADQUARTERS, BLDG 706

BREECHINGS, CHIMNEYS, AND STACKS CRWU 06-2071

BUCKLEY AFB 15550-2 06/09/09

1.04 QUALITY ASSURANCE:

A. Source Limitations: Obtain listed system components through one source from a single manufacturer.

B. Welding: Qualify procedures and personnel according to AWS D1.1/D1.1M for hangers and supports and AWS D9.1/D9.1M for shop and field welding of joints and seams in vents, breechings, and stacks.

C. Certified Sizing Calculations: Manufacturer shall certify venting system sizing calculations.

1.05 COORDINATION:

A. Coordinate installation of roof curbs, equipment supports, and roof penetrations. These items are specified in DIVISION 7.

1.06 WARRANTY:

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of venting system that fail in materials or workmanship within specified warranty period. Failures include, but are not limited to, structural failures caused by expansion and contraction.

1. Minimum warranty Period: 10 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.01 LISTED BUILDING-HEATING-APPLIANCE CHIMNEYS:

A. Basis-of-Design Product: Subject to compliance with requirements, provide the product indicated on Drawingsor a comparable product by one of the following:

1. Hart & Cooley, Inc.

2. Metal-Fab, Inc.

3. Selkirk Inc.; Selkirk Metalbestos and Air Mate.

4. Simpson Dura-Vent Co., Inc.; Subsidiary of Simpson Manufacturing Co.

B. Description: Double-wall metal vents tested according to UL 103 and rated for 1000oF (538oC) continuously, or 1700oF (926oC) for 10 minutes; with neutral or negative flue pressure complying with NFPA 211.

C. Construction: Inner shell and outer jacket separated by at least a 1-inch (50-mm) annular space filled with high-temperature, ceramic-fiber insulation.

D. Inner Shell: ASTM A666, Type 304 or Type 316 stainless steel.

E. Outer Jacket: Galvanized or Aluminized steel.

F. Accessories: Tees, elbows, increasers, draft-hood connectors, terminations, adjustable roof flashings, storm collars, support assemblies, thimbles, firestop spacers, and fasteners;

fabricated from similar materials and designs as vent-pipe straight sections; all listed for same assembly.

1. Termination: Round chimney top designed to exclude minimum 98% of rainfall.

2.02 GUYING AND BRACING MATERIALS:

A. Cable: Three or Four galvanized, stranded wires of the following thickness:

1. Minimum Size: 1/4 inch (6 mm) in diameter.

2. For ID Sizes 4 to 15 Inches (100 to 381 mm): 5/16 inch (8 mm).

3. For ID Sizes 18 to 24 Inches (457 to 610 mm): 3/8 inch (9.5 mm).

B. Pipe: Two or Three galvanized steel, NPS 1-1/4 (DN 32).

C. Angle Iron: Two or Three galvanized steel, 2 by 2 by 0.25 inch (50 by 50 by 6 mm).

SECTION 15550 REPAIR WING HEADQUARTERS, BLDG 706

BREECHINGS, CHIMNEYS, AND STACKS CRWU 06-2071

06/09/09 15550-3 BUCKLEY AFB

PART 3 - EXECUTION

3.01 EXAMINATION:

A. Examine areas and conditions for compliance with requirements for installation tolerances and other conditions affecting performance of work.

1. Proceed with installation only after unsatisfactory conditions have been corrected.

3.02 APPLICATION:

A. Listed Building-Heating-Appliance Chimneys: Water heaters.

3.03 INSTALLATION OF LISTED VENTS AND CHIMNEYS:

A. Locate to comply with minimum clearances from combustibles and minimum termination heights according to product listing or NFPA 211, whichever is most stringent.

B. Support vents at intervals recommended by manufacturer to support weight of vents and all accessories, without exceeding appliance loading.

C. Slope breechings down in direction of appliance, with condensate drain connection at lowest point piped to nearest drain.

D. Lap joints in direction of flow.

3.04 CLEANING:

A. After completing system installation, including outlet fittings and devices, inspect exposed finish. Remove burrs, dirt, and construction debris and repair damaged finishes.

B. Clean breechings internally, during and after installation, to remove dust and debris. Clean external surfaces to remove welding slag and mill film. Grind welds smooth and apply touchup finish to match factory or shop finish.

C. Provide temporary closures at ends of breechings, chimneys, and stacks that are not completed or connected to equipment.

END OF SECTION 15550