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1.01 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

B. Specifications throughout all Divisions of the Project Manual are directly applicable to this Section, and this Section is directly applicable to them.

1.02 SUMMARY

A. This Section includes the following:

1. Listed [single] [double]-wall [vents] [chimneys].

2. Field-fabricated metal breechings [and chimneys].

3. Listed [grease] [dishwasher] [grease and dishwasher] ducts.

1.03 REFERENCE STANDARDS

A. The latest published edition of a reference shall be applicable to this Project unless identified by a specific edition date.

B. All reference amendments adopted prior to the effective date of this Contract shall be applicable to this Project.

C. All materials, installation and Workmanship shall comply with the applicable requirements and standards addressed within the following references:

1. NFPA: Comply with NFPA 211 "Standard for Chimneys, Fireplaces, Vents and Solid Fuel Burning Appliances".

2. UL: Comply with applicable portions of UL safety standards; provide products which have been UL listed and labeled.

3. SMACNA: Comply with SMACNA Low Pressure Duct Standards for fabricated breeching and smokepipe.

4. AWS: Comply with AWS Structural Welding Code for welders' qualifications, welding details, and Workmanship standards.

ASHRAE: Comply with the ASHRAE Equipment Handbook, Chapter 27, for Chimney, Gas Vent, and Fireplace Systems, material requirements and design criteria.

1.01 QUALITY ASSURANCE

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

B. Welding: Qualify processes and operators according to AWS D1.1, "Structural Welding Code--Steel," for hangers and supports and AWS D9.1, "Sheet Metal Welding Code," 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.

1.02 SUBMITTALS

A. Product Data: Furnish product data for the following:

1. Type B and BW vents.

2. Type L vents.

3. Special gas vents.

4. Building-heating-appliance chimneys.

5. Grease ducts.

6. Guy wires and connectors, and installation details.

B. Record Documents:

1. Shop Drawings for vents, breechings, chimneys, and stacks. Include Drawings, elevations, Sections, details, and attachments to other Work.

2. Details equipment assemblies which indicate dimensions, weights, loads, required clearances, methods of field assembly, components, hangers and restraints, including the location and the size of each field connection.

3. For installed products indicated to comply with design loads, include calculations and structural analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

4. Welding certificates.

1.03 DELIVERY, STORAGE and HANDLING

A. The Work of this Section shall be coordinated with other trades affecting, or affected by this Work, to assure the steady progress of all Work performed under the Contract.

B. Replace any Sections or assemblies damaged during shipment, storage or handling with new identical factory-supplied components.

Protect finishes from physical damage by leaving factory packing cases in place before installation and providing temporary protective covers after installation with on going construction within the Project Site

1.01 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.

B. Warranty Period: [10] [15] [25] years from date of Substantial Completion.

PART 2 - PRODUCTS

2.01 GENERAL

A. All materials shall meet or exceed all applicable referenced standards, federal, state and local requirements, and conform to codes and ordinances of authorities having jurisdiction.

2.02 mANUFACTURERS

A. American Metal Products; MASCO Corporation.

B. Metal-Fab, Inc.

C. ProTech Systems Inc. (Special Gas Vent) ( Grease Ducts).

D. Heat-Fab Inc (Special Gas Vent) ( Grease Ducts).

E. Selkirk Inc.; Selkirk Air Mate.

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

G. Van-Packer Co.

2.03 LISTED TYPE B AND BW VENTS

A. Description: Double-wall metal vents tested according to UL 441 and rated for [480 degrees F continuously for Type B], or [550 degrees F continuously for Type BW]; with neutral or negative flue pressure complying with NFPA 211 and suitable for certified gas-fired appliances.

B. Construction: Inner shell and outer jacket separated by at least a 1/4-inch airspace.

C. Inner Shell: [ASTM B 209, Type 1100 aluminum] [ASTM B 209, Type 3003 aluminum] [ASTM B 209, Type 3105 aluminum] [ASTM A 666, Type 430 stainless steel].

D. Outer Jacket: [Galvanized] [Aluminized] steel.

E. 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: Stack cap designed to exclude 90 percent of rainfall.

Termination: Round chimney top designed to exclude 98 percent of rainfall

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