RWS/RIDF/JJM/NDRF schemes North Tripura Dist. 2025-26/SH- Mtc. of PVC pipeline at different locations and other allied work under DWS Sub-Division Dharmanagar Within the area of KALACHERRA R.D. Block (Gr-II)

Excavating trenches of required width for pipes, cables etc. including exacavation for sockets, dressing of sides where required, ramming of bottoms, depth upto 1500 mm (slope-1 in 200)including getting out the excavated soil and backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth including 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. A). For UPVC pipes in new work a). In all kinds of soil

i). For pipes not exceeding 90 mm dia

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

Providing, fixing and 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 including testing of joints complete ( but excluding the cost of specials like bend, tees etc. which will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge. A). Class - 3 ( working pressure 6.0 kg / cm2)

i)90 mm OD

i) 110 mm OD

ii) 140 mm OD

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. (a)allkinds of soil

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

i. 100 mm dia. A. PN - 1.6

ii. 150mm dia. A. PN - 1.6

Providing, fixing and laying fabricated UPVC equal tee conforming to IS : 10124 ( Part 5 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per chapter 20 of CPWD specification and direction of the Engineer - in - charge.

ii). 90 x90 mm dia

ii). 110 x 110 mm dia

iii). 140x140 mm dia

Providing, fixing and laying fabricated UPVC end cap conforming to IS : 10124 ( Part 4 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per chapter 20 of CPWD specification and direction of the Engineer - in - charge.

i)90 mm dia

ii)110 mm dia

iii)140 mm dia

Providing, fixing and laying fabricated UPVC bend of requireddegreeconformingtoIS:10124(part8/9/10/11 / 12 / 13 )withsolvent cement conforming to IS: 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

i). 90 mm dia

ii).110 mm dia

i). 140 mm dia

Providing, fixing and laying flanged fabricated UPVC tailpiece conforming to IS : 10124 ( Part 6 ) with G.I. flange ( 8 mm thick ) with solvent cement conforming to IS - 14182 including testing of joints complete as per chapter 20 of CPWD specification and direction of the Engineer - in - charge.

i). 90 mm dia

ii)110 mm dia

iii)140 mm dia

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

i. 90 mm OD

ii. 110 mm OD

iii. 140 mm OD

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.

i. 90 mm dia

iii. 110 mm dia

iii.140mm dia

Providing and fixing brass ferrule with C.I. cover conforming to IS :2692 including boring and tapping the main as per chapter 20 of CPWD specification and direction of the Engineer - in - charge.

ii) 10 mm nominal bore

ii) 15 mm nominal bore

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 PVC /plastic bib cock

Providing and laying of flexible PVC pipe (conforming to IS:7634) complete as per specification and direction of the Engineer - in - charge (cost of earth work and fittings will a) 15mm dia (ID)

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

Providing and fixing G.I. union as per CPWD specification and direction of the Engineer - in - charge. i. 15 mm dia

Clearing and washing of CI/ DI/PVC pipes earth cutting at intervel not less than 50m with the help of 30/40 mm dia PVC coil pipe having suitable brush at front end and making good the pipe with required specials including earth cutting and refilling complete as per derection of the Engineer in charge.(Coller, coupler, solvent cement Pig lead if requird shall be supplyied by the department)

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