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SECTION 7 SMITH TESTING RECOMMENDATIONS READ THIS CAREFULLY 1.7.1 Safety precautions occur while testing fiberglass Locate pressure gauge in close SMITH FIBERGLASS PRODUCTS pipe with air or gas, the system proximity to the pressurizing SHALL NOT BE LIABLE UNDER would be subject to considera- equipment—not directly on the ANY WARRANTY, CONTRACT, ble whipping and other shock- piping system. Pressure gauge OR IN TORT, FOR ANY RESULT- induced conditions due to the with the test pressure at midscale INGINJURYTOPERSONNEL OR sudden release of stored energy. is recommended. DAMAGE TO EQUIPMENT, PIPE, The violent release can cause The normal recommended OR OTHER PERSONAL PROP- severe personal injury or death procedure is to conduct a ERTY FOR FAILURE TO FOLLOW to personnel in the area and can hydrostatic cyclic pressure test. THE PROCEDURES AND also cause property damage to The piping system is subjected to COMPLY WITH THE PRECAU- the pipe or other property. 10 pressurization cycles at 1112 TIONS SET FORTH. If a line is tested with air or gas, times the anticipated or design As in any system where Smith Fiberglass Products will operating pressure. Note: For low A\ pressure is employed, not be responsible for any result- pressure applications, it is best to ing injury to personnel or dam- use the pressure rating of the adequate safety precautions age to property, including the pipe as the design operating should exercised. EXERCISE pipe. If there is no alternative to pressure, i.e. test at 1112 times the DUE CARE IN INSTALLING AND testing with air or gas, Smith cyclic rating. The test pressure TESTING THE PIPING SYSTEM. Fiberglass Products will recom- should not exceed 11/2 times the DON'T ASSUME THE RISK OF mend test procedures and pre- maximum rated operating pres- INJURY OR PROPERTY DAMAGE. cautions to minimize possible sure for the lowest rated ele- hazards, but will not bear ment in the system. Pressure is In buried applications, it is sug- responsibility for damage or then kept on the system for 1-8 gested that long pipe runs be par- injury under any circumstances. hours while the line is inspected tially backfilled at various points Such testing is done entirely at for leaks. to secure them in place.All joints the risk of those involved. and connections should be left 1.7.3 Air test procedures and exposed for inspection. 1.7.2 Test procedures safety precautionslll SMITH FIBERGLASS PRO- Installed Smith Fiberglass Pro-' TESTING WITH AIR OR DUCTS RECOMMENDS ducts pipe systems should be ' GAS IS EXTREMELY THAT YOU DO NOT TEST ANY tested prior to use to assure DANGEROUS AND SHOULD INSTALLATION WITH AIR OR soundness of all joints and con- NOT BE DONE. CONSULT GAS BECAUSE OF THE SAFETY nections. In testing,sudden pres- YOUR SMITH FIBERGLASS HAZARDS CREATED. The light sure surges or "water hammer" PRODUCTS REPRESENTATIVE weight, flexibility, and elasticity must be avoided, as in some OR CALL SMITH FIBERGLASS of fiberglass pipe create different instances surge or hammer can PRODUCTS AT (501) 568-4010 conditions than are present with produce pressures of several times IF YOU CONTEMPLATE EX- steel pipe. if a failure should the rating of the pipe and fittings. CEEDING THE RECOMMENDED (1)Do not use these testing procedures and safely precautions for Smith Fiberglass Products secondary containment piping system. See Part Two,Section 8 of this manual for testing procedures for secondary containment piping systems. 19