bids are invited for 2 excavation for foundation in all types of soil including dressing and stacking 3 backfilling with excavated earth including watering and compaction 4 providing and laying pcc 1 4 8 for levelling course 5 providing and laying rcc m20 including centering and shuttering 6 providing and fixing tmt steel fe 500 7 brick masonry in cm 1 4 8 12 mm cement plaster cm 1 4 9 panali for collecting rainwater till rain water pit - poviding, laying and fixing half round pvc pipe (panali) pipe of 110m dia with fittings such as bends, tees, reducers, clamps, etc. including necessary excavation, trench filling etc. complete including removing existing pipe line if necessary and conveying and stacking the same as directed etc. as required to cover complete building area as on actual. 10 providing & supplying pvc pipe 160mm dia 11 lowering, laying & jointing pvc pipeline in trench 12 construction of silt trap chamber including ci grating 13 providing & supplying pvc pipe 110mm dia (class ii) 14 rain water harvesting filters system, to remove dirt, leaves and unwanted waste going in take i.e purify or clear the running water 15 boring/drilling bore well of 300mm dia for casing/ strainer pipe, by suitable methodprescribedinis2800(part i), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machinery required for the job, all complete as per direction of engineer in charge, upto 90m depth below ground level. 16 gravel packing in recharge pit in accordance with is4097, including providing gravel fine/ medium/coarse, in required grading & sizes as per the actual requirement, all complete as per direction of engineer in charge 17 testing and commissioning of complete rwh system 18 surface restoration with paver blocks including base preparation 19 operation and maintenance total quantity : 19