Maintenance and repairing of pipeline leakages, removal of pipeline blockage of existing water supply schemes of DTW/SBDTW/SWTP and other allied works under Durgachowmuhani RD Block within the jurisdiction of DWS Sub-Division, Kamalpur Dhalai Tripur

Charges for repairing of leakages 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 & direction of the Engineer-in-charge.

a) 90 mm dia

b) 110 mm dia

c)140 mm dia

Removal of blockage from existing distribution pipe line of all domestic as well as washing by inserting 40 mm dia PVC coil pipe upto the length of 30.00 mtr by cutting of pipe at any depth including necessary de watering whenever required etc. complete as per direction of Engineer-in -Charge.(Bitumen road cutting,excavating earth and re filling the same sand filling cutting and relaying of pipes,specials in/c lead joints will be paid seperately)

Providing & fixing brass ferrule with CI cover in/c boring & tapping the main as per specification & direction of the Engineer-in-charge.

a) 10 mm dia

Providing & fixing of GI union joints as per CPWD specification and direction of Engineer in charge

(i) 15mm dia

(iii) 40 mm dia

Providing, fixing and laying fabricated UPVC socket / coupler conforming to IS : 10124 ( Part 2 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

a) 90 mm dia

b) 110 mm dia

c)140 mm dia

Providing & fixing GI Nipple of medium class as per chapter 20 of CPWD specification and direction of Engineer in charge.

(i) 15mm dia 75mm long

Providing and fitting fixing PVC / plastic bib cock conforming to IS : 9763 in hydrant points at different location as per specification & direction of the Engineer-in-charge.

(i) 15 mm dia.

Providing & fixing UPVC Service Saddle as per CPWD Specification and direction of the Engineer-in-charge.

i. 40mm dia with 15mm dia opening

ii. 90mm dia with 15mm dia opening

iii. 110mm dia with 15mm dia opening

iv. 140mm dia with 15mm dia opening

Repairing of leakages caused for damage of lead joint at C.I pipes/C.I specials including excavation of earth as required upto 1.80 m depth, cutting of bituminous road/W.B.M road(upto three or more layers) by 30 cm average depth/soling road including dewatering,side protection and making good the same with nexisting materials etc. complete in all respect as per direction of the Engineer in charge.

i) 80 mm dia

ii) 100 mm dia

iii) 125 mm dia

iv) 150 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.

80 mm dia

100 mm dia

125 mm dia

150 mm dia

Labour charge for fitting,fixing of gland rope in CI sluice valve of various dia (80 mm dia to 250 mm dia) as per direction of Engineer-in-Charge.(Including the cost of gland rope,grease,nuts and bolts etc)

Making road crossing by horizontal boring for smooth laying of UPVC/CI/DI/GI pipe etc of required dia complete as per specification & direction of the Engineer-in-charge.

a) By manual means

Excavating trenches of required width for pipes, cables etc, in/c excavation for sockets, & dressing of sides where required, ramming of bottoms, depth up to 1500 mm in/c getting out the excavated soil, & 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. & disposing of surplus excavated soil with all required leads as per specification & direction of the Engineer-in-charge..

a) In all kinds of soil

i. For pipes not exceeding 90 mm dia

For pipes exceeding 90 mm dia but not exceeding 300 mm dia

Providing and laying of flexible PVC pipe (conforming to IS:7634) complete in/c earth work as per specification and direction of the Engineer -in-charge (cost of fittings will be paid separetely)

a) 15 mm dia

Providing, fixing & laying rigid UPVC pipes conforming to IS:4985 jointing with couplers of same class conforming to IS:10124(pt-II) with solvent cement conforming to IS:14182 in/c testing of joints complete (but ex/c the cost of specials like bend tees etc which will be paid separately) as per CPWD specification and direction of the Engg-in-ch.

A. class-3(working pressure 6.0kg/cm2)

i) 40 mm OD

(ii)90 mm OD

(ii)110 mm OD

(ii)140 mm OD

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) 15 mm dia nominal bore

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.

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. (A) PN - 1.6

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