Bengaluru Water Supply And Sewerage Board Tender

a19 - Excavating of ramming/jacking/driving pit and receiving pit of size 5.00m(length) x 3.00m (breadth), up to 6.00 m depth in all soil strata including shoring and strutting including cutting of Asphalt/CC/Mac adam road surface and removing the excavated stuff with all lead and lifts. The work includes formation of CC/RCC of 1:3:6 with or without 20mm steel with suitable spacing. The work also to receive the impacts driving pushing operation of encasing pipe. The cost includes driving the horizontal bore by pushing/jacking methods (trenchless technology method) by using construction agencies' cranes, jacks, jacking materi als, 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 to the 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 cables etc. The work comprises of water for curing, carriage and fixing charges, concrete up to plinth for erecting and conducting the hydraulic push ing arrangements apart from passing through and scooping the earth inside the pipes and pit and depositing and disposing the surplus earth to a designated/ approval place and levelling the site after completion of entire work as directed by Engineer in Charge. The rate is excluding the cost of MS pipes..size up to 5 m X 3 m - depth up to 4m

a09 - Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work.

a22 - Providing, filling and laying of sand bags filled with sand / clay for diversion of sewage during execution of work

a17 - Dismantling dressed stone work ashlar face stone work, marble work or precast concrete work manually/ by mechanical means including stacking of serviceable and disposal of unserviceable material to the appropriate disposal area as per direction of Engineer-in-charge.

a07 - Providing and constructing “WIRE CUT BRICK MACHINEHOLE CHAMBERS” using Portland/Pozzolana cement, conical in shape at top, with CC 1:3:6 foundation using 40mm and down size graded metal of approved quality and with an offset of 0.15M alround the chamber. Construct Brick masonry in CM 1:4, 340 mm thick, with wirecut bricks of approved quality, plaster inside and out side with CM 1:3, 12mm thick, except for the conical surface outside where the plaster thickness shall be 20mm. Slope inside to be 1:6 in the concrete towards central drain and finished smooth. Fixing of pipes in CC 1:2:4 with graded metal of 20mm and down size. Supplying and fixing SFRC Machinehole frame and cover (Heavy Duty) conforming to IS:12592 with latest amendment, in CC 1:2:4. Supplying and fixing footsteps made of 12mm dia. steel bars (Fe-500) with 3mm thick plastic encapsulation (IS-10910). The footsteps shall be fixed 30cms apart and on CC block embeded to masonry wall. The whole works include watering, curing, barricading, danger lighting, pouring tar over MH frame and cover, cost of tar, shoring, strutting, de watering, engraving Machinehole number with flow direction on the inner conical surface etc. as per the drawing etc. as per technical specifications and for the following diameters and depth etc. for 1.5mm dia MH: Constructing Brick Masonry Circular Machinehole 1.5 m internal dia. & 2 M depth includ. SFRC F&C

a21.1 - For depth 3.00 to 6.00m

a01 - Dismantling of Flexible pavements and disposal of dismantled materials and stacking serviceable and unserviceable materials separately. Bituminous course by mechanical means-Bituminous Course

a03 - Earth work excavation for pipeline trenches by mechanical means as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & bonding rods at every 100 mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required , utilising the available excavated earth locally for the work etc., and all other appurtenances complete in the following strata.Ordinary/soft rock (Without Requiring Blasting)Depth upto 1.50 m

a08 - Spreading of Stone Dust : Supplying and providing stone dust in the station yard or wherever required including watering, ramming, consolidating and dressing. The rate includes the cost of material, labour charges, required tools and plants etc., complete. Work shall be carried out as per the instructions of Engineer-in-charge of works as per the standard procedure

a07.6 - Constructing Brick Masonry Circular Machinehole 1.5 m internal dia. & 4.0 M depth includ. SFRC F&C

a02.2 - Depth exceeding 3 m, but not exceeding 4.5 m

a07.2 - Constructing Brick Masonry Circular Machinehole 1.5 m internal dia. & 3.0 M depth includ. SFRC F&C

a20 - Installation of product pipe by manual jacking method - Manufactur ing, 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 900 mm dia & 10mm thick M.S. Casing Pipe.

a07.9 - For every 0.1m depth from 5.0 to 6.0m

A02 - Earth work excavation for pipeline trenches in all kinds of soils by mechanical means as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & bonding rods at every 100 mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required , utilising the available excavated earth locally for the work etc., and all other appurtenances complete in the following strata.All kinds of soils. Depth upto 1.50 m

a07.4 - Constructing Brick Masonry Circular Machinehole1.5 m internal dia. & 3.0 M depth includ. SFRC F&C

a02.3 - Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials. Depth exceeding 4.5 m, but not exceeding 6.0m

a03.3 - Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials. Depth exceeding 4.5m, but not exceeding 6m

a02.1 - Depth exceeding 1.5 m, but not exceeding 3 m

a04.1 - Depth exceeding 1.5 m, but not exceeding 3 m

a07.8 - Constructing Brick Masonry Circular Machinehole 1.5 m internal dia. & 5.0 M depth includ. SFRC F&C

a13 - Bituminous Concrete Grading I for Traffic greater than 20 MSA, Providing and laying Bituminous Concrete with 100 TPH capacity hot mix plant batch type using crushed aggregates of specified grading, premixed with bituminous binder VG-40,@ 5.2 per cent of mix and filler, transporting the hot mix to work site, laying with mechanical paver finisher to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects

a06 - Providing S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED) pipes NP-3 Class conforming to IS:458-1988 with latest amentments using ordinary portland cement, for sanitary works and conveying to work site, rolling and lowering into trenches, laying true to line and level including loading and unloading at both destinations and jointing of pipes and specials, perfect linking of joints with jack to correct position including cost of jointing materials, i.e, rubber rings conforming to IS: 5382 for S&S RCC pipes, with all leads and lifts as directed and giving necessary hydraulic test as per ISS to the required pressure and commissioning etc. complete. (Contractor will make his own arrangements for procuring water for testing). Before the execution of the work, the contractor shall carry out the survey. 600mm Dia RCC NP-3 Pipes

a07.5 - For every 0.1m depth from 3.0 to 4.0m

a23 - Dewatering the sewage / storm water by using reqired HP submersible pump for the diversion of storm / sewage during the execution of work. Considering for one Pump. 10 hp pump

a07.1 - For every 0.1m depth from 2.0 to 3.0m

a04 - Earth work excavation for pipeline trenches by mechanical means as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & bonding rods at every 100 mm wherever necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required , utilising the available excavated earth locally for the work etc., and all other appurtenances complete in the following strata.Hard rock ( Blasting Prohibited)Depth upto 1.50 m

a04.3 - Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials. Depth exceeding 4.5m, but not exceeding 6m

a04.2 - Depth exceeding 3 m, but not exceeding 4.5 m

a16 - Making bore in Machinehole without damaging the existing Machinehole, fixing the pipe of any diameter in line and level with CC 1:2:4, plastering the outer and inner surface in CM 1:3 including curing etc. The cost includes the cost of materials, labour charges, lead and lifts etc. complete as per specifications and as directed by the Engineer.

a01.1 - by mechanical means for Granular Course

a07.3 - For every 0.1m depth from 3.0 to 4.0m

a11 - Providing and applying primer coat with SS1 grade Bitumen Emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70 kg/m2 using mechanical means.

a06.1 - RCC NP3 Class pipe of 300mm dia

a14 - Providing and applying tack coat with RS1 Bituminous Emulsion using emulsion pressure distributor at the rate of 0.20 kg/m2on the prepared bituminous surface cleaned with mechanical broom.

a03.2 - Depth exceeding 3 m, but not exceeding 4.5 m

a18 - Providing Size Stone masonry with hard stone in foundation & plinth with Cement mortar 1:6 (1 cement : 6 coarse sand)

a05 - Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing, and all the other appurtenances required to complete the work as per technical specifications. Mix 1:3:6 Using 40 mm nominal size graded crushed coarse aggregates

a07.7 - For every 0.1m depth from 4.0 to 5.0m

a03.1 - Depth exceeding 1.5 m, but not exceeding 3 m

a15 - Providing, erecting and removing casurina pole three tier BARRICADING using poles of 7.5 to 10 cms dia. and 1.5M height above ground fixed vertically at intervals of 2.0 to 2.5 M centre to centre and horizontally at 0.5M above ground level, including fixing poles in ground for a maximum depth of 0.3M and tied with coir rope firmly including cost and conveyances of all materials, labour, lead and lifts charges etc. complete. (This item is applicable for pipe of 600mm dia and above pipes)