COMPLIANCE INFO_1999-2005 - Laserfiche WebLink

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SECTION T * Testing Rectmendations In buried applications, it is suggested that long pipe runs YOUR SMITH FIBERGLASS PRODUCTS REPRESENTATIVE be partially backfilled at various points to secure them in OR CALL SMITH FIBERGLASS PRODUCTS AT 501-568- . place. All joints and connections should be left exposed 4010 IF YOU CONTEMPLATE EXCEEDING THE RECOM- for inspection. MENDED PRESSURES FOR THE LOWEST RATED ELE- MENT OF THE SYSTEM, OR IF YOU CONTEMPLATE ALSMITH FIBERGLASS PRODUCTS RECOMMENDS USING AIR OR GAS IN SPITE OF THIS WARNING. RE- THAT THAT YOU DO NOT TEST ANY INSTALLATION VIEW SAFETY PRECAUTIONS, PARA. 1.7.1, BEFORE WITH AIR OR GAS BECAUSE OF THE SAFETY HAZ- STARTING THE TEST. ARDS CREATED. The light weight, flexibility, and elastici- ty of fiberglass pipe create different conditions than are If testing with air or gas is required or requested to be per- present with steel pipe. If a failure should occur while formed, the following testing procedures and precautions testing fiberglass pipe with air or gas, the system would must be followed. be subject to considerable whipping and other shock- induced conditions due to the sudden release of stored As in any system where pressure is employed, adequate energy. The violent release can cause severe personal safety precautions must be exercised. EXERCISE DUE injury or death to personnel in the area and can also CARE IN INSTALLING AND TESTING THE PIPING SYS- cause property damage to the pipe or other property. TEM. DO NOT ASSUME THE RISK OF INJURY OR PROP- ERTY DAMAGE. If a line is tested with air or gas, Smith Fiberglass Products will not be responsible for any resulting injury to person- 1. Visually inspect all bonded joints for proper insertion nel or damage to property, including the pipe. If there is and adhesive cure prior to pressurizing the piping sys- no alternative to testing with air or gas, Smith Fiberglass tem. A gap between the adhesive bead and the fitting Products will recommend test procedures and precautions shoulder indicates that the possibility of joint failure to minimize possible hazards,but will not bear responsi- exists. Make any necessary repairs before pressurizing bility for damage or injury under any circumstances. the piping system. See Para. 1.6.9 for potential causes Such testing is done entirely at the risk of those in- of joint failure. volved. 2. Check the integrity of the joints by pressurizing the 1.7.2 Test Procedures system to 25 psig(0.172 MPa) and holding the pres- sure for a minimum of one minute, then soap all joints Installed Smith Fiberglass Products pipe systems should be to test for leaks. tested prior to use to assure soundness of all joints and connections. In testing, sudden pressure surges or"water 3. If there are no leaks, raise the line pressure in the sys- hammer" must be avoided, as in some instances surge or tem to a maximum of 50 psig(0.345 MPa). Again hammer can produce pressures of several times the rating hold the pressure for at least one minute, and soap all of the pipe and fittings. Locate pressure gauge in close joints to check for leaks. proximity to the pressurizing equipment—not directly on the piping system. Pressure gauge with the test pressure at 4. As serious personal injury or death can result, midscale is recommended. 1 the pipe inspector should take precautions for his/her personal safety and protection against The normal recommended procedure is to conduct a hy- flying debris, and also against the whipping action of drostatic cyclic pressure test. The piping system is subject- the pipe, which can result from the sudden release of ed to 10 pressurization cycles at lX times the anticipated stored energy. Goggles should be worn to protect or design operating pressure. Note: For low pressure ap- against flying debris. plications, it is best to use the pressure rating of the pipe as the design operating pressure, i.e.test at 1 times the S. Avoid personal contact with the piping system cyclic rating. The test pressure should not exceed 1F2t while it is pressurized during testing, except for JI times the maximum rated operating pressure for the the actual checking of the joints for leaks. lowest rated element in the system. Pressure is then Absolutely no one should be in the trench while the kept on the system for 1-8 hours while the line is inspect- pipe is being initially pressurized for leak testing. ed for leaks. Notify all site personnel before beginning the testing procedure. 1.7.3 Air Test Procedures and Safety Precautions(') 6. Do not straddle the pipe during testing or while TESTING WITH AIR OR GAS IS EXTREMELY DAN- AL checking the piping system for possible leaks. ! GEROUS AND SHOULD NOT BE DONE. CONSULT (1)Do not use these testing procedures and safety precautions for Smith Section 8 of this manual for testing procedures for secondary containment Fiberglass Products secondary containment piping systems. See Part Two, piping systems. 18 Installation Instructions