BRC/SDRF/2021-22/6

Amount

Making 120mm wide bamboo foot bridge with 100mm Bholuka or Barua bamboo posts driven 120 cm to 180 cm underground 3 Nos. in each row and rows being 3m apart bholuka or Barua bamboo dham placed over the posts and tied with cane or wire , Bholuka or barua bamboo struts in each row both up and down stream, jati bamboo long gorhs closely packed and tied with dham. Single layer of mat placed over 75mm thick brush wood and tied with bholuka or Barua bamboo rail stand fixed in one side of the bridge etc. complete.

Labour for dismantling all members of the timber bridge (excluding piles) with necessary scaffolding, jati bamboos, jumper ropes etc, complete and stacking them at suitable places as directed (all members will be under custody of the contractor till taken over by the department

Supplying and driving timber piles of 25cm to 30cm diameter, dressed to heart wood including making length in every 30 cm interval, coal tarring two (2) coats with best tar applied hot (Rate inclusive of the cost of the required quantity of tar.) Using Sal Timber (b) Manually with labour i) Portion of pile actually driven under ground.

Supplying and driving timber piles of 25cm to 30cm diameter, dressed to heart wood including making length in every 30 cm interval, coal tarring two (2) coats with best tar applied hot (Rate inclusive of the cost of the required quantity of tar.) Using Sal Timber (b) Manually with labour i) Portion of pile remaining above ground.

Supplying, fitting and fixing timber beam and bearing beam rectangular in size fitted with M.S. etc. supplying spikes etc. as necessary and coal tarring two (2) coats with best tar applied hot as directed (Rate is inclusive of cost of the required quantity of tar) (a) Using Sal timber

Labour for Scarfing and joining piles 25 cm to 30 cm diameter, dressed to heartwood of 90 cm in length including supplying, fitting and fixing with 2nos. Of 50 mm x 10 mm MS FI clamps and 16 mm dia MS bolts and nuts etc. Complete as directed.

Labour for fitting and fixing RSJ beam, CI saddle etc. in position including necessary scaffolding, cutting them to required size, drilling holes and supplying and fixing ncessary bolts and nuts, painting two coats complete (Tar-Steel paints to be supplied by the contractor at his own costs) including all lead and lifts from PWD Godown. (Size=350mm x 140mm)

Supplying, fitting and fixing "U" shaped flat iron strap making 0.5m x 0.3m size from 150mm x 12mm size MS flat including providing 10 bolts holes and fitting with 0.35m long 20mm dia MS bolts including fitting tightly with bearing beam, pile and RSJ beams etc. complete as directed.

Sal wood work including supplying, fitting and fixing complete with necessary MS bolts, nuts, nails, screw etc. and coal tarring two (2) coats with best tar applied hot (Rate is inclusive of the cost of the required quantity of tar.) a) Undressed in floor planks, collars, bracing, standards, wheel guards, struts and railings, runner belts, rail, post etc.

(b) In track way planks (alternate nailing to be done with decking in a seggragate way.

Build worth Trade Engineers