UWS Schemes in North Tripura District during the year 2026-27/SH- Remodelling of DI pipeline at Natunpatty link road near culvert under DWS Sub-Division Dharmanagar

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 B). For G.I. / C.I. / D.I. pipes in new work a). In all kinds of soil ii). For pipes exceeding 90 mm dia but not exceeding 300 mm 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. iv. 150 mm dia Ductile Iron Class K-7 pipes.

Charges for push-on ( Tyton ) joints to centrifugually ( Spun ) cast iron pipes or ductile iron pipes including testing of joints and excluding the cost of rubber gasket as per CPWD specification and direction of the Engineer - in - charge. i) 150 mm dia

Charges for cutting D.I. pipe with steel saw by manual means as per chapter 20 of CPWD specification and direction of the Engineer - in - charge. i) 150 mm dia

Providing and laying D.I. specials of class K - 12 suitable for push - on jointing as per IS : 9523 as per CPWD specification and direction of the Engineer - in - charge. i Upto 300 mm 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) 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