Stabilization of D/S of Spillway at Gavanem Minor Irrigation tank Gavanem, Canacona Taluka

Earthwork in excavation by mechanical/ manual means in all type of strata comprising any of materials such as soil, silt, sand, clay, gravels, moorum of all varieties, shingles, pebbles, all types of conglomerate laterite rock, soft rock, ordinary rock, disintegrated rock, or weathered rock, fissured/ shattered, decomposed rock and all such other materials either in full or in parts as the case may be by adopting any approved method or methods as may be convenient or permitted including chiseling, wedging etc. but blasting prohibited in all condition 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 lightning , guarding etc. backfilling the excavated earth to the extent required and disposing of surplus excavated soil/rock at specified areas with all leads and lifts etc. as per specification and drawing and as directed by the Engineer – in - charge etc. complete.

Centering and shuttering including strutting, propping etc. and removal of form-work for a)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: a) All works upto plinth level.

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

Providing and laying in position stone boulder with basaltic/granitic stones 60% of which shall comprise stones not less than 0.0423 cum.(1 1/2 cft) in size each and remaining 40% comprising well graded stone boulder not below than size of 0.00142 cum(1/2 cft) including the cost of conveyance of all materials, speading, hand packing, wedging etc. for all leads and lifts etc.as directed by engineer-in-charge

Supply and installation (in dry condition) of Mechanically Woven Double Twisted Hexagonal Shaped Wire mesh 1m high Gabion Boxes as per IS 16014:2012,MoRTH Clause 2500, of required sizes,Mesh type 10X12 (D=100mm with tolerance of+/-2%),Zn+PVC coated, Mesh wire dia.2.7/3.7mm (ID/OD), mechanically edged/sevedged,with partitions at evey 1m interval and shall have minimum 10 numbers of mesh openings per meter of mesh perpendicular to twist, tying with lacing wire of dia 2.2/3.2(ID/OD), supplied @ 5% by weight of gabion boxes will be supplied), as per detailed specification conforming to codes in vogue all complete as per directions of engineer-in-charge.