Mtc of pipeline by repairing of leakage, washing of existing pipeline in different locations of Sukanta Nagar GP and Paikhola GP under BC Nagar RD Block within the jurisdiction of DWS Sub-Division Barpathari during the year 2025-26 (FFC Grant).

Charges for repairing of leakage in UPVC / HDPE pipe line with PVC coupler & solvent cement etc. in/c necessary earth excavation, backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth in/c consolidating each deposited layer by ramming, watering etc. complete as per specification and direction of the Engineer - in - charge.

i. 90 mm OD.

ii. 110 mm OD.

iii. 140 mm OD.

Charges for fixing C.I. sluice valves with cap complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) as per CPWD specification and direction of the Engineer - in - charge.

A) PN - 1.6 i) 80 mm dia

A) PN - 1.6 ii) 100 mm dia

A) PN - 1.6 iii) 125 mm dia

A) PN - 1.6 iv) 150 mm dia

Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) as per CPWD specification and direction of the Engineer - in - charge. A. PN-1.6

A) PN - 1.6 i) 80 mm dia

A) PN - 1.6 ii) 100 mm dia

A) PN - 1.6 iii) 125 mm dia

A) PN - 1.6 iv) 150 mm dia

Providing and fixing G.I. socket as per CPWD specification and direction of the Engineer - in - charge.

i) 15 mm dia

ii) 100 mm dia

Providing and fixing G.I. Bend /elbow in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge. i) 15 mm dia

Repairing of leakage to damaged of lead joint for C.I. pipes C.I. specials in/c excavation of earth required upto 1.80m depth cutting of bitumen road/ WBM road (upto two or more layer, each layer of 30 cm average depth) in/c dewatering side protection and making the same with existing materials etc. complete in all respect as per direction of the Engineer-in-charge. (lead will issued by the department at free of cost).

i). 125 mm dia

ii). 150 mm dia

Clearing of deposited iron inside of laid CI/DI pipe line of different dia (150 mm/125 mm) and dismantling in/c trenching, refilling for every 100 mtr laid pipe line of required width & depth, cutting for every 100 mtr pipe iron through PVC coil pipe after clearing washing and laying the same with rubber gusket pipe laid as per direction of the Egineer-in-charge. (Pig lead will be issued by the Deptt. at free of cost but rubber gusket and other T&P will be arranged by the Agency).

Clearing deposited iron inside of laid pipe line (90 mm, 110 mm & 140 mm dia) in/c excavating trenches at required intervals, laid pipe line at required width and depth after cleaning washing of deposited iron and relaying and refilling of excavated earth with necessary coupler, solvent cement as per direction of the Engineer-in-charge. (coupler, solvent cement supplied by the department at free of cost).

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