Bangalore Water Supply And Sewerage Board Tender

All types of soils depth 2 to 4mtr Note: If any shoring and strutting, will be paid separately. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

All types of soils depth 4 to 6mtr Note: If any shoring and strutting, will be paid separately. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Excavation for pipe line trenches of required width by mechanical & manual means including dressing sides, ramming of bottoms providing barricading, danger lighting, shoring strutting, dewatering etc., in hard laterite rock containing iron ore above 20% by chiesteling and trimming to proper slope etc., for pipes of all dia for depth up to 2.0M Note:If any shoring and strutting will be paid separately. a) 0 to 2 mtrs depth ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Pipes of all dia for depth 2 to 4mtr Note: If any shoring and strutting will be paid separately. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Providing and installing sheet pilling for both sides of the trench for following depths with mild steel sheets not less than 6.5mm thick stronger knife edge recessed spreader sockets, 3'' single or double wall shelds to be designed by the contractor to withstand all types of soils maximum depths as per the approved design drawing including labour charges for installing and removing the sheet piling at various reaches of sewer line construction including loading unloading transportating to the suitable location etc complete with all leads and lifts(Measurement shall be taken for one side only eventhough it is provided for both sides). for depth upto 2.0m ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Providing bedding using approved stone dust/quarry dust of size not exceeding 5.6mm for the pipe line trenches including watering and consolidation to 95% proctor density etc complete with all lead and lifts as per specification and as directed by the engineer in charge after obtaining the approval from the chief Engineer. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Supplying S&S RCC spun/vibrated cast pipes(Reinforced) pipes NP-3 class conforming to IS 458: 1988 with latest amendments using and conveying to worksite, rolling and lowering into trenches, laying true to line and level including loading and unloading at both destinations and jointing of pipes and specials including cost of specials including perfect linking of joints with jack to correct position including cost of jointing materials ie., rubber rings confirming to IS:5382 for S&S RCC pipes with all lead & lift as directed and giving necessary hydraulic test as per ISS and testing & 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 and will be paid extra for the same as per separate. 500mm dia pipeline ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

600mm dia pipeline ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

900mm dia pipeline ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

REFILLING OF EARTH around pipelines, in layers not exceeding 20 cms. in depth, compacting each deposited layer by ramming after watering all lead and lift including cost of all labour including consolidation by mechanical means approved by the Engineer in ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Dismantling size stone masonry LM/CM mortar and stacking the size stones with in a radius of 50m removing the debris to a distance up to 200m. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Construction of size stone masonry with available stones including curing (in CM 1:6) ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Providing & Constructing granite or trap or basalt size stone masonry in superstructure with cement mortar 1:6, edges of stone hammer dressed in courses not less than 15 cm high, bond of stones at two m. apart in each course including cost of materials, labour, scaffolding, curing complete as per specification ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Providing and filling in foundation with granite/trap broken metal 100mm and down size with approved sand including hand packing, ramming watering including cost of all materials and labour with all lead and lift complete as per specifications. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Providing and constructing Wire cut brick manhole chambers using sulphate resistant cement, conical in shape at top with cement concrete of 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 340mm thich, with wire cut bricks of approved quality plaster inside and out side with CM 1:3 12mm thick except for the conickel 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 graded metal of 20mm and down size supplying and fixing SFRC manhole frame and cover conforming to IS:12592 with latest amendments in CC 1:2:4. Supplying and fixing footsteps made of 12mm dia stees bars (FE-415) with 3mm thick plastic encapsulation (IS-10910). The footsteps shall be fixed 30cms apart and on CC block embedded to masonry wall. The whole works include excavation in all types of soiles watering curing barricading danger lighting pouring tar over MH frame and cover, cost of tar shoring strutting dewatering engraving manhole number with flow direction on the inner conickel surface etc., as per the drawing etc., as per technical specifications and for the following dia meters and depth etc., for Constructing brick masonry circular manhole 1.50mtr dia internal dia 2.00mt depth & SFRC cover and frame. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

For every 0.1mt depth 2 to 3 mtr ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

1.50mtr dia internal dia 5.00mt depth ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Construction of PRE-CAST RCC MANHOLE CHAMBERS of 1:1.5:3 proportion with ordinary port land cement, 20 mm and down size graded jelly, well graded sand, steel of approved quality and size, constructed using form vibrators of standard type. The top cover to be 200 mm thick concrete slab, wall thickness, raft thickness, offset in raft alround the chamber etc. as per the approved drawing. Benching concrete with 1:6 slope towards the central drain, finished smooth, fixing and grouting pipes. Supply and fixing SFRC manhole cover and frame (heavy duty) conforming to IS:12592 with latest amendments, on CC 1:2:4 bed, including necessary conveyance. Supply and fixing footsteps (as per IS 10910) with 12 mm dia. steel bar (Fe-415), encapsuled in 3 mm thick plastic, fixed with CC block to the walls staggered at 300 mm etc. as detailed in Technical Specifications. The whole works includes sand bedding wherever necessary, disposal of surplus earth, barricading, danger lighting, sight rails, boning rods, shoring, strutting, watering, curing, engraving manhole number with flow direction on the inner cylindrical surface etc. The cost to include the cost of reinforcement steel, its fabrication charges, cost and conveyances of all materials, labour, all leads and lifts. The Precast RCC manholes are for various diameters and depths as stated below and as per detailed drawings, specifications and direction of the Engineer. 1.50mtr dia internal dia 3.00mt depth ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

For every 0.1mt depth 3 to 4 mtr ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

1.50mtr dia internal dia 5.00mt depth ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Providing, and filling empty cement bags with sand clay and placing in watery situation with clay packs etc., for ring bund including cost of bags for diverting sewage. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Dewatering the storm water/sewage by using 5HP diesel pump including all consumables etc.,(Hire charges for diesel pump). ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Disposal off the excess excavated earth of all types by vehicle including loading unloading with all lead and lifts labour HOM of machineries etc., ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Construction of granular sub-base by providing coarse graded spreading uniform layers with motor grader on prepared surface mixing by mix in place method with by rotavator at OMC, and compacting with vibratory roller to achieve the desired density complete as per specification by mix place method closed graded granular sub base as per 400-1 for Grading-I material. ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Supplying S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED) pipes NP-3 Class conforming to IS:458-1988 with latest amendments 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 including cost of 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 and will be paid extra for the same as per seperate item.: ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant carriage of mixed material by tipper to site, laying in uniform layers with pavers in sub base/base course on well prepared surface and compacting with vibratory roller to achieve the desired densityPWD SR 17-18 SL NO 20.18 ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

KSRRB 500-4 Providing and applying primer coat for surfaces of medium porosity like cement stabilized soil base@ 0.90kglsqm over prepared surface with S S bitumen emulsion using bitumen tanker fitted with spray set (excluding cleaning of road surface) including cost of all material, labour, HOM complete as per specifications. Clause 501 of MORTH V revision ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

KSRRB 500-11. Providing and laying bituminous macadam on prepared surface with crushed coarse aggregates as per design mix formula for base I binding course including loading of aggregates with F. E. loader, hot mixing of stone aggregates and bitumen in hot mix plant, transporting the mixed material in tipper to paver and laying mixed materials with paver finisher to the required level and grade, rolling by smooth wheeled, vibratory & tandem rollers to achieve the desired density, but excluding cost of primer I tack coat & including lead, lift and cost of all materials, labour, HOM complete as per specifications. Clause 504 of MORTH V revision ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION

All works Upto Plinth - Providing and laying in position Ready mixed M5 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying, excluding the cost of centering, shuttering finishing and reinforcement, including cost of admixtures in recommended proportions as per IS : 9103 to accelerate / retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - In - Charge. Note 1 (a) : Part of OPC 43 GRADE, OPC 53 GRADE AND BLENDED PORTLAND POZZOLONA (conforming to IS8112) can be substituted with Ground Granulated Blast furnace slag (GGBS) to a minimum of 30%. The physical and chemical properties of GGBS shall conform to IS: 12089-1987 (Reaffirmed 2008). Uniform blending with OPC 43 grade cement to be ensured in accordance with clauses 5.2 and 5.2.1 of IS:456-2000. Note 1 (b) : Quantity of cementitious material considered in this item is @ 330 kg/cum (230 kg OPC 43 GRADE CEMENT + 100 kg GGBS. Excess / less OPC 43 grade cement used beyond 230 KG as per design mix is payable / recoverable separately @ rate of Rs 7.154 / Kg of Ordinary Portland Cement, Excess / less GGBS used beyond 100 KG as per design mix is payable / recoverable separately @ rate of Rs 3.1 / Kg of GGBS.P & Laying GGBS Ready mixed M30 grade concrete - All works Upto Plinth Level BWSSB SR2017-2018 pg no 108 sl no 10.70 ---- ALL TERMS AND CONDITIOBS AS PER TENDER CONDITION