Construction of Open Type bandhara at Kolkom Khazalker in Canacona taluka.

Amount

Earthwork in excavation by mechanical means in all type of strata comprising any of materials such as soil, sand, clay, gravels, moorum of all varieties, shingles, pebbles, all types of conglomerate laterite rock, soft rock, disintegrated rock, fissured, shattered, decomposed rock or weathered rock and all such other materials in full or parts as the case may be adopting any approved 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 or bailing out water including setting out construction of shoring and bracing, removal of stump and other deleterious matter, dressing of sides and bottom backfilling the excavated earth to the extent required and disposing of surplus excavated earth/river as directed by the engineer-in-charge with all leads and lift etc. as specified and directed etc. complete

Providing & laying cement concrete 1: 1.5: 3 (1 cement: 1.5 coarse sand: 3 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: a)All works upto plinth level.

b)In retaining walls, return walls (any thickness) including attached pilasters, columns, piers, abutments pillars, posts, struts, buttresses, string or lacing courses, parapets, coping bed blocks, anchor blocks, plain window sills, fillets etc. upto floor five level

Centering and shuttering including strutting, propping etc. and removal of formwork for a)Foundations, footings, bases for Columns and mass concrete.

b) Vertical surfaces such as retaining walls, return walls, walls (any thk) including attached pilasters buttresses, plinth and string course fillets, etc.

Steel work welded( SAIL,TATA, VIZAG & using electrodes of Ador or ES4B or Deh Secheron make only) in built up sections trusses and framed work including cutting, hoisting, fixing in position and applying priming coat of red lead paint a)In tees , angles ,hats and channels…

Supply of Fibre Glass reinforced (FRP) needles, without FRP coated M.S Frame Needles shall be made out of standard quality FRP composite materials. Smooth surface shall be provided from both the sides of the needles, tough and box type groove shall be provided to the needles for interlocking into each other. Box type groove protect the edge of the needle. Rubber seal of size 15mm x 4mm thick shall be fixed into the groove for water tight performance. Handles shall be provided at two locations for lifting and lowering of the needle into the frame. FRP Needles shall be tailor made sections as per size required at site for closing the bandhara the rate are as follows. a) For thickness of needles 65+3mm (Hollow type) for the water depth 0 mtrs. To 2.0mtrs. from top and width not more than 2.0 mtrs. In clear span.