ASSE-5000-5047-1998.pdf
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1、Minim um Perf0 rrnunce Requirements for Testing of Buckflow Preventers Professional Quulicutions Standard ASSE 1047 Reduced Pressure Detector Fire Pro- tection Backflow Prevention Assemblies (RPDF) 1 .o 1.1 1.2 1.3 2.0 2.1 Scope, Purpose and Definitions Scope This Standard applies to any field inspe
2、ction per- formance requirement used to appraise the perfor- mance of ASSE Standard 1047 Reduced Pressure Detector Fire Protection Backflow Prevention As- semblies (RPDF). This operational performance test requirement includes all activities which shall be addressed while field testing. Purpose The
3、purpose of this standard shall be to establish minimum field inspection procedures for ASSE Standard 1047 Reduced Pressure Detector Fire Pro- tection Backflow Prevention Assemblies (RPDF). Definitions Field inspection procedure-a test method which evaluates a backflow assembly for compliance to the
4、minimum performance requirements. Field Testing Requirements Administrative Issues A. Initial arrangements shall be made with the re- sponsible party to schedule the test. B. Arrangements/notifications shall be made where a continuous water supply is necessary or where testing creates a special haza
5、rd, in- convenience or risk in buildings or for piping systems . Examples of such buildings or sys- tems include, but are not limited by enumera- tion to hospitals, manucturingplants,firepro- tection systems, alarm companiesjre depart- ments, insurance carriers and others where spe- cial notificatio
6、n is necessary. C. The proper information, reporting forms and equipment shall be gathered to properly con- duct the test. 2.2 Site Issues A. Safety Inspection-The initial field evaluation shall be made for safety hazards in accordance with applicable federal, state and local safety regulations and
7、statutes. Some of the issues to be examined are, but are not limited by enu- meration to: - Confined spaces-ventikztion, access, oxygen - - - content Chemical, electrical or flammable hazards Hazards related to elevation of devices Hazards to the tester and other persons B. Inspection of the Install
8、ation 1. The proper application of the assembly shall be confirmed for code compliance with respect to the degree of hazard, mark- ings, prohibited locations (i.e. where sub- jected to flooding or freezing) and special installation requirements. The valve orientation and direction of flow shall be c
9、onfirmed as proper. The assembly shall be checked for alter- ations or special needs, such as, but not limited to the adequacy of the air gap, the evidence of illegal bypasses and the ad- equacy of drainage systems from the assembly. 2. 3. ASSE/ANSI Series 5000 1998 Professional Qual2fications Stand
10、ard fir Backflow Prevention Assembly Testers, Repairers and Surveyors Copyright American Society of Sanitary Engineering Provided by IHS under license with ASSE Licensee=University of Texas/5626000001 Not for Resale, 12/24/2006 00:40:50 MSTNo reproduction or networking permitted without license from
11、 IHS -,-,- 4. The general appearance of the assembly shall be checked for evidence of excessive discharge, condition of shut-off valves, test cocks, relief valve, air gap and adequacy of drainage should leakage occur. 3.0 Reporting A. The test report shall contain, but not be lim- ited by enumeratio
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- ASSE 5000 5047 1998
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