JOB ORDER for repair and replacement of raising main pipe line at 509 Power House at AF Stn Pune

Job Work for Repair and replacement of raising main pipe line at 509 Chowk in front of 509 Power House at AF Stn Pune:- (a) Demolition or dismantling of concrete unreinforced in any description and in any position not otherwise specifically provided. Cum- 33.8. (b) Removing excavated soil material exc 1.5 KM away and n.exc 5.0 KM and depositing where directed at a level n.exc 1.5 mtr above the starting point complete all as directed. Cum-33.8. (c) Excavation in trenches over areas, n.exc 1.5 m wide and exc 1.5m in depth and getting it out for laying of pipe etc:- (i) soft/loose soil. Cum-13.5. (ii) Hard/dense soil. Cum-67.5 (d) Returning filling in including spreading levelling, watering and well ramming in layers for any type of soil. Cum-72.00. (e) Removing the surplus soil to a distance not exceeding 50mtr away from the starting point and depositing at a height n.exc 1.5mtr above ground level complete all as directed. Cum-9.00. (f) M&L for design mix concretes in foundation using C2 1:3:6 40mm graded aggregate for foundation/ support complete all as directed by Engineer-in-Charge. Cum-33.8. (g) Cutting existing CI pipe line and taking up cast iron water mains with fittings (including dewatering of trench) with spigot and socket ends and lead joints including burning out joints and recovering lead of size 250mm dia bore. RM-20.00. (h) Supply & laying MS pipe Class B of size 250mm dia bore with flange including push on rubber gasket joint and including connection testing and commissioning complete all as directed by Engineer-in-Charge. RM-20.

(j) M&L for bends (any type, radius and angle) tapers any type (straight bend, increasing, decreasing or double socketed etc) tee pieces, single branch, junction, double branch, cross (all sockets or socket and spigot) collars, caps plugs suitable for the pipe upto 250mm bore. Per Kg-350.00 (k) Rolling and consolidating formation surface in cutting with 8 to 9 tonne power roller including filling in depression with occur during the process of rolling, rolling to required gradient and camber complete all as specified and directed. Per 10 Sqm -3.8. (l) 150mm thick (spread thickness) soiling (or subbase) in one layer with broken boulders or quarried stone of grading 1 (90 to 40mm size) interstices filled, surface formed & rolled and consolidated to required gradient and camber with 8 to 10 tonne power roller complete all as specified and directed. Per 10 SQM-3.8. (m) 150mm thick (compacted thickness) WBM (in two layers of 7.5cm thick each layer) with broken boulders or crushed sand stone of grading 2 (63 to 40mm size), blinded with stone screening material type ‘A’ watered and rolled with 8 to 10 tonne power roller, hollows made up to form true surface and consolidated to required gradient and camber etc complete all as specified. (n) Preparing water bound macadam surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with funny bags to remove all loose dirt etc. Applying evenly a priming tack coat with bituminous primer at 10kg per 10 Sqmm meters, laying spreading 40mm (consolidated thickness) with 6% binder content by weight by total mix bituminous premixes semi dense carpet by using mechanical paver rolled and compacted to required caber and gradient with 8 to 10 tonne power roller to a uniform smooth surface etc. complete all as specified and as directed.

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