Strengthening of Damage Pipe Lines of Makdait Gravity Source due to Natural calamity on 16/09/2025 at I.T. Park zone under North Division (Dehradun) Urban Water Supply Scheme

Providing & Fixing C.I. D/F Sluice Valves Confirming to IS: 14846- 2000 in position etc complete 80 mm dia

Excavation in soil mixed with single boulders etc. requiring the use of specials T&P for foundation including lift up to 1.5 m and lead up to 30 m filling watering and ramming of excavated the earth in to the trenches or into the sides between foundation

Providing of all materials, Carting from site store to site of work, Lowering into trenches with true to alignment, Laying of MSERW Pipes grade Yst 210, confirming to IS: 1978 - 1982, jointing by electric welding process with proper grade of eletrodes suitable for jointing of water supply pipe lines (Ador, L&T or equivalent electrodes) by cutting of pipes and making required bends by welding, completion of work with testing of pipe line etc complete 80 mm dia. 4.8 mm thickness

Pipe line jointing at bends, curve, crossing etc by electric welding of following size including all material, labor ,T&P etc complete. 50 mm dia

65 mm dia

80 mm dia

TOTAL PIPE LINE LAYING WORK Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Providing & Laying reinforced cement concrete arch complete including centering and shuttering excluding reinforcement as per drawings and technical specifications) M25