Shifting of existing functional DWS pipelines, spare parts and other allied work at Govt. Degree College, Kamalpur within the jurisdiction of Kamalpur Nagar Panchayet during the year 2025-26

Excavating trenches of required width for pipes, cable etc. in/c excavating for sockets & dressing of sides, where required, ramming of bottoms, depth up to 1500mm in/c getting out the excavated soil and backfilling of soil as required after laying of pipe line, in layers not exceeding 200mm in depth in/c consolidating each deposited layer by ramming, watering etc. and disposing of surplus excavated soil with all required leads as per chapter-2 of CPWD specification and direction of the Engineer-in-charge.

B) For GI/CI/DI pipes in new work. a) In all kinds of soil.

ii) For pipes exceeding 90mm dia. but not exceeding 300mm dia.

Providing and laying S & S Centrifugally Cast ( Spun ) Ductile Iron Class K-7 Pipes conforming to IS : 8329 as per CPWD specification and direction of the Engineer - in - charge.

i)100 mm dia ductile iron class K 7 pipes

Charges for push-on (Tyton) joints to centrifugally (Spun) cast iron pipes or ductile iron pipes including testing of joints and including the cost of rubber gasket as per chapter 20 of CPWD specification and direction of the Engineer-in-charge.

i) 100 mm dia.

Charges for cutting D.I. pipe with steel saw by manual means as per CPWD specification and direction of the Engineer- in – charge.

i) 100 mm dia.

Providing and laying DI Special of class K-12 for suitable for push-on jointing as per IS-9523 as per CPWD Specification and direction of Engineer-in Charge

i). Up to 300mm dia.

Providing and fixing G.I. pipes medim class as per IS : 1239 with latest amendment complete with G.I. fittings including trenching and refilling, cutting and making good the walls etc. complete as per CPWD specification and direction of the Engineer - in - charge. A)External work i)40 mm dia nominal bore

Charges for making hole by drilling and making thread by thread bit in the CI / DI pipe as per specification & direction of the Engineer-in-charge

25 mm dia nominal bore

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

(i) 25 mm dia

(i) 40 mm dia

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

(i) 25 mm dia

(i) 40 mm dia

Providing and laying of flexible PVC pipe (confirming to IS: 7634) complete Including Earth Work as per specification and direction of the Engineer-in-charge. ( cost of fittings will be paid separately).

i) 25 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)25 mm dia

(ii) 40 mm dia