RCC Chair benches

Amount

Pdg. and placing of precast RCC benches chair bench with back rest using cement conc. Grade M-30 consisting of 2 no. L-shaped base support of thicknesss 100mm having back height 1000mm front height 450mm and base width 620mm having 5 nos. of RCC planks 1500x100x50mm and one number plank of size 1500x200x50mm in the approved colour and shade. The min. wt. of MS reinforcement bar in the base support will be 3.4 kg. having 4 nos.. 8mm dia ms bar distributed along the sectioned periphery of the legs with sufficient no. of 4mm dia MS stripps. Each base support will have 3 nos. 12mm dia (2 nos. 40mm and one no. 65mm long) galvanised coupling nuts welded suitably to the mainreinforcement at appropriate locations so as to receive bolts for fixing of seats of concrete planks on base support and 3 holes to received carriage bolts for fixing back rest planks the min. wt. of M.S. reinforcement bar in the plank of 200mm wide will be 4.4 kg. and of 100mm wide 2.9 kg. All the RCC planks will have 2 hole of 14mm dia at appropriate locations, so as to received 12mm dia galvanised bolt for fixing on the base support one of the plain of size 1500x100x50mm shall be engraved in the centre at the back with letter SDMC ore as directed by E-in-charge to plank 2 of size 1500x100x50mm and one plank of size base support on both size with 2 no. 12mm dia and 65mm long galvanised steel CSK bolts and one Eva Washer for each bolt to form a seat: 3 planks of size 1500x100x50mm will be bolted to coupling nuts provided in both the base support to formk back rest with 6 nos. Two no. in each plank half thread carriage bolts and nuts of size 165mm long 8mm dia with Eva and steel washers the holes visival at the back side of the bench will be sealed with cement mortar after assembling side edges of the all planks shall be painted with acrylic bases paint of approved colour and shade edges of the all planks approved color and shade and front portion of sealing and back rest planks shall be give glossy finish complete as per direction of E-in-charge.

Lettering with black japan paint of approved brand and mfg.

Pdg. and fixing name board made of M.S. sheet 90x60mm, 1mm th. With frame of M.S. angle 50x50x6mm, two diagonal braces at the back of the sheet of M.S. flat 40x6mm, total height of the board above ground level 2.4m, length of legs below ground 0.30m embedded in CC block 1;2;4 (1c;2c/s;4g/s agg. 20mm n.s.) 30x30x45cm including excavation and removal of surplus earth within 50m lead, applying priming coat of approved steel primer, painting with synthetic enamel paint of appd. qlty. and lettering with enamel paint of appd. color (one side) as per drawing/ direction of E-in-charge.

BALAJI & ASSOCIATES (BID ID -831655)