Demolition and restoration of damaged existing RCC Foundation of Unit-II , Unit-IV including and repair/reconstruction of Tail Race side wall and bottom floor of Unit No-1 at Rongtong Power House under CMD Bhabanagar

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in charge.

Applying epoxy of Dr. Beck/Fixit double coat complete as per specification

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm,so as to give a fair finish including centring, shuutering, strutting and propping etc. with wooden battens and ballies, height of propping and centring below supporting floor to ceiling not exceeding 4 Mtrs. and removal of same for insitu-reinforced concrete & plain concrete work in: Vertical surfaces such as walls (any thickness) partitions and the like including attached pilasters, buttresses, plinth and string courses and the like.

Providing and placing free flow micro concrete Renderoc RG / Sika MicroConcrete-2 or equivalent product of after fixing slurry tight shuttering. The micro concrete should be mixed mechanically while maintaining water, powder ratio of 0.16 strictly in accordance with the manufacturer's instructions and as per the direction of the Engineer-in-charge. The micro concrete should develop a compressive strength of 10 N/mm2 within 1 day, 40 N/mm2 within 7 days and 50 N/mm2 within 28 days. The cost is inclusive of materials, transportation, labour, taxes etc. all complete.

10.2 Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchorblocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)