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AFIL is capable of designing GRP Solid and Ribbed wall piping and fittings for Underground (U/G), Aboveground (A/G) and Sub-aqueous piping systems based on various standards such as ASTM, AWWA, BS, ASME. The design can be done using flexible coupling joint, rigid joint systems or combination of both. Attachment # 3 shows typical U/G GRP pipe design calculations. The pipe calculation generally covers live and dead loads effects on the pipe in addition to the effect of internal pressure and vacuum level on the adequacy of the pipe for buckling, combined strain levels, allowable stresses …etc.
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