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AWWA C502 2018

AWWA C502 2018

$76.92

AWWA C502-18 Dry-Barrel Fire Hydrants

Published By Publication Date Number of Pages
AWWA 2018 44
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This standard describes post-type, dry-barrel fire hydrants with compression shutoff (opening against or with the pressure) or gate shutoff for use in fire protection service in all climates, including those where freezing occurs. This standard can be referenced in specifications for purchasing and receiving dry-barrel fire hydrants for fire protection service and can be used as a guide for evaluating materials and designing, testing, and inspecting dry-barrel fire hydrants. The stipulations of this standard apply when this document has been referenced and then only to dry-barrel fire hydrants for water supply service.

PDF Catalog

PDF Pages PDF Title
7 Foreword
I. Introduction.
I.A. Background. This standard pertains to dry-barrel fire hydrants that are intended for use in water supply systems in all climates, including those where freezing temperatures occur. Wet-barrel fire hydrants, which are intended for use only in areas wh
I.B. History. The first edition of this standard was approved on June 24, 1913, as Standard Specifications for Hydrants and Valves. Subsequent revisions to ANSI/AWWA C502 were approved by the AWWA Board of Directors in 1916, 1937, 1938, 1940, 1943, 1953,
I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct
8 II. Special Issues.
II.A. Ownership, Use, and Maintenance. A fire hydrant is usually a unit of a water utility’s property that is provided for public fire protection service. However, during fire emergencies it is operated by members of the fire department rather than by wat
9 II.B. Advisory Information on Product Application. Hydrants produced according to ANSI/AWWA C502 are designed to be operated by one person using a 15-in. (380-mm) wrench. The use of a longer wrench or an indefinite extender operated by two or more persons
II.C. Chlorine and Chloramine Degradation of Elastomers. The selection of materials is critical for water service and distribution piping in locations where there is a possibility that elastomers will be in contact with chlorine or chloramines. Documented
10 III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered.
III.A. Purchaser Options and Alternatives. The following items should be provided by the purchaser:
11 III.B. Optional Information (if required by purchaser).
12 III.C. Modification to Standard. Any modification of the provisions, definitions, or terminology in this standard must be provided by the purchaser.
IV. Major Revisions. Major changes made to the standard in this revision include the following:
V. Comments. If you have any comments or questions about this standard, please contact AWWA Engineering and Technical Services at 303.794.7711, FAX 303.795.7603, write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098, or email at standa
13 AWWA Standard
SECTION 1: GENERAL
Sec. 1.1 Scope
Sec. 1.2 Purpose
Sec. 1.3 Application
14 SECTION 2: REFERENCES
16 SECTION 3: DEFINITIONS
17 SECTION 4: REQUIREMENTS
Sec. 4.1 Permeation
Sec. 4.3 Data to Be Provided by the Manufacturer
18 Sec. 4.4 Materials
20 Sec. 4.5 General Design
Table 2 Hydrant component parts
21 Sec. 4.6 Detailed Design
22 Table 3 Minimum wall thicknesses
24 Sec. 4.7 Hydrant Inlet
25 Sec. 4.8 Valves
26 Sec. 4.9 Packing Glands and Packing-Gland Bolts
Sec. 4.10 Seals
27 Sec. 4.11 Bolts and Nuts
Sec. 4.12 Workmanship
28 Sec. 4.13 Painting
29 Sec. 5.2 Prototype Testing
30 Sec. 5.3 Inspection and Nonconformance
31 Sec. 6.2 Shipment
Sec. 6.3 Affidavit of Compliance
33 APPENDIX A
Characteristics of National Standard Fire-Hose Coupling Screw Thread
37 APPENDIX B
Uniform Color Scheme for Fire Hydrants

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AWWA C502 2018
$76.92