Bengaluru Water Supply And Sewerage Board Tender

A04 - Same as above - DI MJ specials - Bend 150 x 90 degree

A16 - Conducting ground penetrating RADAR SURVEY in a corridor of 4-6 meter width to detect burried utilities like pipes, cables etc. in such corrider. Marking of the detected utilities on the map of corridor with information of locations and depth to the top of various utilities detected. Work to be conducted using 500 Mhz and 300 Mhz antenna for the best possible resolution and penetration etc. for: Along the road crossings without dividers and upto 30 M width.

A17 - Excavating of ramming/jacking/driving pit and receiving pit of size5.00m(length) x 3.00m (breadth), up to 6.00 m depth in all soil strata i ncluding shoring and strutting including cutting of Asphalt/CC/Macadamroad surface and removing the excavated stuff with all lead andlifts. The work includes formation of CC/RCC of 1:3:6 with or without20mm steel with suitable spacing. The work also to receive the impactsdriving pushing operation of encasing pipe. The cost includes drivingthe horizontal bore by pushing/jacking methods (trenchlesstechnology method) by using construction agencies' cranes, jacks, jacking materials, generator, welding machineries, compressor, jack hammer and other equipments etc., without interfering and causing any hindrance to the movement of traffic or any other vehicles, without any disturbances tothe railway/ road/canal formation etc., The cost also includes bailing /pumping of water where ever necessary without affecting any installation like water supply and sanitary pipeline/telephone cable, electric cablesetc. The work comprises of water for curing, carriage and fixing charges, concrete up to plinth for erecting and conducting the hydraulic pushingarrangements apart from passing through and scooping the earthinside the pipes and pit and depositing and disposing the surplus earthto a designated/ approval place and levelling the site after completionof entire work as directed by Engineer in Charge. The rate is excludingthe cost of MS pipes. -size up to 5 m X 3 m - depth up to 6 m

A18 - Same as above - For additional 1 m2 - For 6 mts depth of size 5 m X 3 m

A19 - Installation of product pipe by manual jacking method - Manufacturing, providing, transporting, rolling, lowering, laying & jointing, testing, commissioning of ERW (Electric Resistance Welded), SAW (Submerged Arc Welded) MS pipe (Fe-410 grade) conforming to IS 3589-2001 with latest ammendments including perfect linking welding of joints to correct position including cost and conveyance of pipes and materials with all lead ,lift, cost of labour, loading and unloading of pipes for the following diameters with specified thickness of plate as noted below including bailing out of water wherever necessary for laying of carrier pipe of suitable dia including inside and outside of casing pipe painted with two coats of Anti corrossive tankmastic paint. Installation of steel pipe by Ramming / Jacking method to cross Railway track / NH /BDA /BBMP/Other roads/Existing utilities / NALA crossings, filling the gap between casing pipe and carrier pipe with quarry grit using compressor with all necessary equipments, plants etc, complete. Suitable spacers of HDP/MS or other similar material should be provided in between carrier & casing pipe to prevent carrier pipe forming metallic contact with casing pipe. Note : a. The cost of jacking is inclusive of cost M.S. casing pipe of specified thickness b. The cost of carrying pipe is separate and provision shall be made as per site requirement c. The cost of Jacking includes all leads lifts, cost of consumables, fuel charges, labour. d. The cost of jacking and receving pits shall be proposed seperatelly as per site requirement - Jacking of 600 mm dia & 12 mm thick M.S. Casing Pipe.