150 mm to make the mm and trench bed uniform & 3 above Layin free from stones, 'RM' for cuts, debris, stakes, Pipe other Pre Padding As require rock and other material P sizes which could lead of perforation/ tearing of the pipe wall. Maintain Proper clearance from utility, R ensure proper ensure proper Other laying parameters 100% As Graph / As built P protection of pipe & properly capped. Use casing pipe as required As per drawing GI Sleeve installation 100% P W attached at Annex: 1. Making of pedestal of size 150 x 150 x 100% 150mm around the GI P W sleeve. Sand filling inside the sleeve. As per drawing Half Round Concrete Sleeve 100% P W attached at Annex: 12. Making of pedestal of size 200 x 200 x around the Half Round 100% P W Concrete sleeve. Sand filling inside the sleeve. Qualification certificate Fusion Technician Qualified P W W and ID Cutting and Scrapping tool & 100% Proper Size P W Pipe Alignment Clamp Free from dust, water, Pipe Surface Inspection 100% P RM Mud, etc. End cutting 100% Proper PE Pipe cutter P RM Scrapping Tool must remove 0.1 mm to .04 Scrapping 100% P RM mm from surface of 4 R the PE Pipe Fusion Correct Alignment of Alignment 100% P RM Pipe during the joining process Cloth/Paper napkin, Consumables 100% P RM Acetone Bar electro fusion M/C( Electro fusion machine P RA automatically readable) Electric Generator Power Supply P RM W ( 5.5 KVA ) 150 mm of free of rock & hard Lumps for immediate Backfilling & 200 mm of earth Post Padding 100% P RM free of rock & hard Lumps for not immediate Backfilling 5 R Warning Mat size Backfilling For service pipes 100% 1 mm thick & 300 mm P RM For distribution mains 100% P RM wide Warning Mat height from top of 100% 300 mm P RM Carrier Pipe In original profile and Rest Backfilling 100% P RM condition Jumping Jack compactor, tanker Equipment 100% and other compacting P W equipments as require 6 R In layers of 150 mm Compacting above the warning mat Compaction Layer 100% in original profile and P RM condition by using water Norms As per CPWD / IRC P RA From Concern Clearance Certificate P RA Authorities
3 Pipe Layin Pre Padding As require 150 mm to make the trench bed uniform & free from stones, cuts, debris, stakes, rock and other material which could lead of perforation/ tearing of the pipe wall. P mm and above 'RM' for other sizes R Other laying parameters 100% Maintain Proper clearance from utility, ensure proper ensure proper protection of pipe & properly capped. Use casing pipe as required As Graph / As built P GI Sleeve installation 100% As per drawing attached at Annex: 1. P W 100% Making of pedestal of size 150 x 150 x 150mm around the GI sleeve. Sand filling inside the sleeve. P W Half Round Concrete Sleeve 100% As per drawing attached at Annex: 12. P W 100% Making of pedestal of size 200 x 200 x around the Half Round Concrete sleeve. Sand filling inside the sleeve. P W 4 Fusion Fusion Technician Qualified Qualification certificate and ID P W W R W Cutting and Scrapping tool & Pipe Alignment Clamp 100% Proper Size P W Pipe Surface Inspection 100% Free from dust, water, Mud, etc. P RM End cutting 100% Proper PE Pipe cutter P RM Scrapping 100% Scrapping Tool must remove 0.1 mm to .04 mm from surface of the PE Pipe P RM Alignment 100% Correct Alignment of Pipe during the joining process P RM Consumables 100% Cloth/Paper napkin, Acetone P RM Electro fusion machine Bar electro fusion M/C( automatically readable) P RA Power Supply Electric Generator ( 5.5 KVA ) P RM 5 Backfilling Post Padding 100% 150 mm of free of rock & hard Lumps for immediate Backfilling & 200 mm of earth free of rock & hard Lumps for not immediate Backfilling P RM R Warning Mat size For service pipes 100% 1 mm thick & 300 mm wide P RM For distribution mains 100% P RM Warning Mat height from top of Carrier Pipe 100% 300 mm P RM Rest Backfilling 100% In original profile and condition P RM 6 Compacting Equipment 100% Jumping Jack compactor, tanker and other compacting equipments as require P W R Compaction Layer 100% In layers of 150 mm above the warning mat in original profile and condition by using water P RM Norms As per CPWD / IRC P RA Clearance Certificate From Concern Authorities P RA
BGL-376-Vol-III-of-III.docx