Arresting Leakage and repairs to pipeline near Nandhi circle area for water supply to IGCAR at Kalpakkam

Earth work excavation and depositing on bank with initial lead of 10mand lift of 2m in narrow trenches having bed width 1.25m and below for laying of pipes for water supply and sewerage works in the following type of soils as directed by the Departmental officers.

Hire Charges for dewatering using Diesel pumpset above 3 HP to 7.5 HP with fuel and crew charges including transportation

Removing the burst D.I. pipes from the pipe line and removal of slushy soil and bailing out water and replacing the pipeline with sound pipe, including jointing and cost of refilling the pipeline with water for retesting the pipe line etc complete. (excluding cost of sound pipe and jointing materials and earth work)

Supplying 500 mm Dia Ductile Iron pipe of class K9 conforming to IS: 8329 -2000 in standard length with socket and spigot ends suitable to tyton joints (push on joints) with inside cement mortar lining and Lowering into trenches with proper grade and alignment in the required depth. transportation charges from factory to worksite, etc., Complete complying with standard specification and as directed by the departmental officers.

Supply and delivery of 500mm dia Mechanical joint collars including transportation charges from factory to worksite,etc. complete complying with standard specification.

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the departmental officers

Providing shoring and strutting for excavated trenches up to a depth of 3m including cost and conveyance of all materials, labour charges and removal of shoring and strutting at appropriate time and as directed by the departmental officers with all incidental and operational charges etc.

Providing barricading arrangements for laying the pipeline, using casurina props of size 8cm to 10cm dia of 1.5m length at a spacing not exceeding 1.5m c/c for vertical posts and tied in between with coir rope including watching during night and fixing danger flags/ reflectors and painting in different colour etc. Complete complying with standard specification and as directed by the departmental officers.

Cutting of 500mm dia Ductile iron/ Cast Iron pipes true to the axis of fixing and piling the cut ends suitable for joining the pipes etc., and as directed by the departmental officers. Complete complying with standard specification.

Refilling with excavated soil (other than sand) into the trenches. Complete complying with standard specification and as directed by the departmental officers.