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RESULTS AND CONCLUSIONS standards,and further,the pipe showed no <br /> After 30 years in service,the Insituform°CIPP significant deterioration in overall performance <br /> continues to exceed industry performance between its 20th and 30th years of service. <br /> Table 1 <br /> 30-Year Test Results <br /> Sample = -.Flexural Modulus Flexural Strength <br /> :.. . Panel A ....-3,100 MPa 39 MPa <br /> - -Y - 450,000 psi 51700 psi <br /> Panel 8 3,500 MPa 47 MPa <br /> 500,000 psi 6,800 psi <br /> Mean - 3,300 MPa 43 MPa <br /> View of inside face of <br /> sample panel and a test 480,000 psi 6,200 psi <br /> Piece cut from it. <br /> Table 2 <br /> Comparison of Mean Flexural Properties After 30 and 20 Years of Service <br /> Flexural Samples Industry Standards <br /> Property 30-year 20-year WIS 4-34-04 ASTM F 1216 <br /> Modulus <br /> MPa 31300 2,900 2,200' — <br /> psi 480,000 420,000 -- 250,000 <br /> Strength <br /> MPa 43 46 25 -- <br /> PSI 6,200 6,700 ---- 4,500 <br /> As spedfled in Issue i oftha WIS issue 2refars to dedamdvalues but does notspe*ir minimum flawmimodulus <br /> REFERENCES: <br /> 1. WIS 4-34-04 April 1986:issue 1,"Spedgation for Potyester <br /> Insituform Server Linings.- <br /> 2. WIS 4-34-04 March 1995:Issue 2,"SpecitMatiar for Renovation of <br /> Gravity Sewers by Lining with Cured-in-Place Pipes.' <br /> 3 BS EN ISO 178:1998,`Plastics-Determination of Rexurat Properties' <br /> 4. ASTM F 1216,-Standard Practice for Rehabilitation of Existing <br /> Pipelines and Conduits by the Inversion and Curing of a <br /> Resin-Impregnated Tube." <br /> 5. MTS Pander Report 46204,September 19,1991(20-year test) <br /> 6. Bodycola Report 8110254,November 15,2001(30-year test) <br /> Insituform <br /> 7&&w1gsi&,Ina <br /> WoOdrrlds Pipeline Rehabilitation <br /> 702 Spirit 40 Park Drive <br /> Chesterfield,MO 63005 <br /> A81307 Toil Free: 800-234-2992 <br /> 5102 Phone: 636-530-8000 <br /> 0 2002 Insituform Technologies,Inc. FaX 636-519-8010 <br />