Flood protection works at Chuthang Bogdang RD 700- 1500.(Under SDP)

Earth work in excavation by mechanical means (Hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. A. All kinds of soil 70%.

B. Ordinary rock 25%.

C. Hard rock 5%.

Pumping out water caused by springs, tidal or river seepage water mains or drains and the like .

Dry stone pitching (any thickness) excluding cost of stones.On Horizontal

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, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:1:3:6 (1 cement : 3 coarse sand (zone-III) : 6 graded stone aggregate 20 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form work for : Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Carriage of material by mechanical transport. A. Sand and stone agg an avg lead 20 kms.

B. Cement an avg lead 190 kms.