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948-2 . 3 . 2 Additional Requirements for Class II ( 100 Year) , Type S <br /> Polyethylene Pipe Meet the following requirements : <br /> Table 1 <br /> Stress Crack Resistance of Pipes <br /> Pipe Location Test Method Test Conditions Requirement <br /> 10 % Igepal solution at 122 °F Average failure time of the <br /> FM 5 . 572 , Procedure and 600 psi applied stress , 5 Pipe liner shall be > 18 . 0 <br /> Pipe Liner <br /> A hours , no single value shall <br /> replicates be less than 13 . 0 hours . <br /> Pipe 10% Igepal solution at 122 °F Average failure time shall <br /> Corrugationvalue <br /> , ASTM F -2136 and 600 psi applied stress , 5 ahours , single <br /> (molded plaque) replicates lshshatall be less t than 17 . 0 <br /> hours . <br /> Determine failure time at <br /> 500 psi at 73 . 4°F >_ 100 <br /> Full Test 2'3 : years (95 % lower <br /> Test at 3 temperature/stress confidence) using 15 failure <br /> combinations : time values4 . <br /> 176°F at 650 psi The tests for each condition <br /> 176 'F at 450 psi can be terminated at <br /> FM 5 - 572 , Procedure 158 °F at 650 psi ; duration equal to or greater N <br /> Junction g and FM 5 - 573 5 replicates at each test than the following criteria : <br /> condition 110 . 0 hr at 176 ° F 650psi <br /> 430 . 0 hr at 176 ° F 450 psi <br /> 500 . 0 hr at 158 ° F 650 psi <br /> Single Test : The average failure time <br /> Test temperature 176°F and <br /> applied stress of 650 psi . ; 5 must be equal to or greater <br /> replicates than 110 . 0 hr <br /> Determine failure time at <br /> 500 psi at 73 . 4 °F > 100 <br /> Full Test 2 ' 3 : years (95 % lower <br /> 4 <br /> Test at 3 temperature/stress confidence) using 15 failure <br /> combinations : time values4 . <br /> 176°F at 650 psi The tests for each condition <br /> 176 T at 450 psi can be terminated at <br /> Ile Longitudinal FM 5 - 572 , Procedure 158 °F at 650 psi ; duration equal to or greater <br /> Profiles6 C , and FM 5 - 573 5 replicates at each test than the following criteria : <br /> condition 110 . 0 hr at 176 ° F 650psi <br /> 430 . 0 hr at 176 ° F 450 psi <br /> 500 . 0 hr at 158 ° F 650 psi <br /> Single Test : <br /> Test temperature 176°F and The average failure time <br /> applied stress of 650 psi . ; 5 must be equal to or greater <br /> than 110 . 0 hr <br /> replicates <br /> -219 - . <br /> FPID ( S ) : 423186 - 1 - 58 - 01 <br />