Prevention of salinity intrusion into the cultivable land bearing Sy. No. 183, 184, 185 and 186 by improvement to existing nallah and field channel and desilting of water bodies in Sy. No. 182/1 and 182/2 at Quelossim in Cortalim Constituency.

Earthwork in excavation by mechanical/manual means in all types of strata comprising any of the materials such as soil, silt, sand, clay, gravel, moorum of all varieties, shingles, pebbles all types of conglomerates, laterite rock, soft rock, ordinary rock, disintegrated or weathered rock, fissured/shattered, decomposed rock and all such other materials either in full or in parts as the case may be adopting any approved method or methods as may be convenient or permitted including chiseling, wedging etc. but blasting prohibited in all conditions such as dry, moist, saturated, submerged, foul conditions etc. including pumping or bailing out water/ dewatering including setting out construction of shoring, strutting and bracing, removal of stump and other deleterious matter, dressing of sides and bottom, providing barricading, danger lighting, guarding etc. with all leads and lifts etc as per specification and drawing and as directed by the Engineer-in-charge etc. complete.

Earthwork in excavation for de-silting of rivers, nallahs, ponds etc, by mechanical means in all types of strata comprising any of the materials such as soil, sand, clay, gravel, moorum of all varieties, shingles, pebbles, all types of conglomerates, laterite rock, soft rock, fissured / shattered, ordinary rock, decomposed rock and all such other materials either in full or in parts as the case may be adopting any approved method or methods as may be convenient or permitted, inclusive of chiseling, wedging etc. but blasting is prohibited in all conditions such as dry, moist, saturated, submerged, foul conditions etc. including setting out construction of shoring and strutting removal of stumps and other deleterious matter, dressing of sides of bottom, providing barricading, danger lighting, guarding etc. backfilling the excavated earth to the extent required and disposal of excavated stuff in specified areas with 50m lead and lifts etc. and as directed by Engineer-in-charge etc. all complete.

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

Centering and shuttering including struttings, propping etc. and removal of formwork for : Foundations, footings, bases for columns and mass concrete.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: All works upto linth level.

Providing and laying in position (1:11/2:3) Reinforced cement conrete excluding the cost of centering, shuttering, finishing and reinfrocement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size) . All works u to plinth level.

Laterite boulder masonry in cement concrete (1 cement: 2 coarse sand: 4 graded stone aggregate of 20mm nominal size) in foundation.

Supplying jamba wooden bally piles 150mm mean diameter cut to length required (not exceeding 9 meters). Including Heading whole bally piles 150mm diameter and planted in position ready for driving for pile Upto 2.5 meters long or as directed by the Engineer-in-charge etc. complete.

Driving down wooden piles of 150mm diameter either in vertical or battered work to approved lines and level through various strata including arranging all the appliances necessary for pile driving complete at site (portion in ground only to be measured). Upto 2.5 meters long pile.

Providing and fixing weep holes with rigid PVC make laid in position with a required slope and level while laying pipes of approved the concrete of retaining wall, wing wall and earth retaining structure complete as directed by the Engineer in charge. 110 mm dia.