Construction of Water Harvesting Structure- R.C.C Open Recharge Well In Survey No. 168/1 at Codli Village, Kirlapal Dabal, Dharbandora Goa

Earthwork in excavation by mechanical means in all types of strata comprising any of the materials such as soil, sand, clay, silt, gravel, moorum of all varieties,shingles, pebbles, all types of conglomerates, laterite rock, soft rock, ordinary rock, disintergrated rock, weathered, fissured/shattered decomposed rock and all such other materials either in full or in parts as the case may be adopting any appr. method or methods as may be convenient or permitted inclusive of chiseling, wedging etc. in all conditions such as dry, moist, saturated, submerged, foul conditions etc. including pumping and bailing out water, including setting out const. of shoring and bracing removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling the excavated earth to the extent required and disposing of the surplus excavated/rock as directed by the Engineer in charge.

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40 m nominal size) excluding cost of centering, shuttering and finishing :

Centering & shuttering including Strutting, Propping & removal of forms for :Well steining

Reinforced cement concrete work in well steining excluding the cost of centering, shuttering, finishing and reinforcement with 1:1½ :3 (1 cement: 1½ coarse sand: 3 graded granitic or basaltic aggreate 20mm nominal size

Providing High yield strength steel reinforcement bar (HYSD)/TMT steel reinforcement bar from secondary producers (Confirming to IS 1786 of 1986) for RCC work including bending, binding & placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.