Questions and Answers
What is the recommended trench width when the water level is above 0.50 meters and less than 1 meter?
0.6 meter
What is the purpose of grouting bags in the pipe installation process?
To seal the pipe and protect it from water ingress
In rocky soil, what is the recommended width of the trench at the top?
06-40 cm
What is the purpose of dropping small pebbles in the trench in rocky soil?
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What is the recommended ratio of cement to sand in grouted bags?
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When the area is such that water does not physically appear on the surface but the dug trench is immediately filled with water, what is the recommended trench depth?
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What is the minimum density requirement for HDPE ducts?
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What is the required tensile strength at yield for HDPE ducts?
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How should the earth be treated in trenches on streets or highways?
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What is the maximum operating temperature for HDPE ducts?
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What should be done with the surplus soil after trench backfilling?
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What is the required test pressure for HDPE ducts?
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What is the recommended time period for the retention of electrical and mechanical properties of the ducts?
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What is the purpose of using suitable sized caps on the ducts?
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What is the recommended method for laying and pulling the HDPE ducts?
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What is the purpose of pre-lubricating the inner surface of the ducts?
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What is the standard specification for the manufacturing of HDPE conduit?
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What is the minimum guarantee period for the HDPE ducts?
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