Pipelaying Tender-VOL II - WorleyParsons.com

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EPMC SERVICES FOR REWARI – KANPUR PIPELINESPECIFICATION FOR GEOTEXTILE BAGS1. SCOPE1.1 This specification covers the minimum requirements for design, manufacture and supplyof non-biodegradable geo-textile bags (made from polypropylene fabric) intended to be usedfor providing anti-buoyancy measures when filled with Gravel/stone ballast materials.n:\513-mh-2145-rkpl\11 engineering\11.8 pipelines\06 spec\specification for geotextile bags\mh2145-c000-plspc-0023.docMH2145-C000-PL-SPC-0023 RevA Page 4 of 11
EPMC SERVICES FOR REWARI – KANPUR PIPELINESPECIFICATION FOR GEOTEXTILE BAGS2. DESIGN2.1 Geo-textile bags shall be suitable for filling with Gravel/stone ballast materials for 18"three layer polyethylene coated pipeline carrying liquid hydrocarbon for anti-buoyancymeasures in place of concrete coating.2.2 Composition and the details of materials shall be as per re<strong>com</strong>mendation ofmanufacturer2.3 The geo-textile bags shall meet the following requirements:Body fabric material must be rated for geo-textile use and as such must be woven withminimum permeability rating to suit specified Gravel/stone ballast materials. Geo-textile bagsshall be of top loading fabric-type made from woven polypropylene material.The center to center spacing between a set of geo-textile bags shall be kept minimum possiblebut in no case shall it exceed 7.0 meters in case 18" pipeline.2.4 Manufacturer shall take prior approval from Owner on details of geo-textile bags anddesign calculations.2.5 The fabric weights to be used in the pipeline should be from a manufacturer with aminimum of 5 years continuous, successful experience in production of geo-textile fabricweights for pipeline buoyancy control application. Manufacturing plants must be an ISO 9002certified facility to ensure consistency in quality.2.6 The proposed bags and associated straps etc. shall not be detrimental to the pipelinecoating in any manner.2.7 Repair of bags, in any manner is not permitted.n:\513-mh-2145-rkpl\11 engineering\11.8 pipelines\06 spec\specification for geotextile bags\mh2145-c000-plspc-0023.docMH2145-C000-PL-SPC-0023 RevA Page 5 of 11
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Pipelaying Tender-VOL II - WorleyParsons.com

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