Restoration of gravity main Pipeline of Raipur Chhamrauli, Water Supply Scheme, Mussoorie Urban under Natural Calamity (Deviya Apda Year 2025-26) in Distt- Dehradun

(A) JINCY: 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 upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All Kind of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level1:2:4 (1 Cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size))

Providing of all materials, Carting from site store to site of work, Laying & Jointing of MSERW pipes grade Yts 210confirming to is ;1978 - 1982 jointing by electric welding process with proper grade of eletrodes suitable for jointing of water supply pipes line (Ador, L&T or equivalent electrodes ) by cutting of pipes and macking required bends by welding completion of work with testing of pipes line etc complete . (i) 150mm 5.6 mm thick pipe

(ii) 100mm 4.8 mm thick pipe

making joint of MSERW pipe of different size with wall materiel welding road welding machine (i) 150mm old pipe

(ii) 100mm old pipe

12 mm cement plaster of mix 1:4 (1 cement: 4 fine sand)

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with Cement mortar 1:6 (1 cement : 6 coarse sand)