Provision of Structural steel platform for D2O storage tanks and chemical resistant coating of dykes at HWBF,Vadodara

Amount

Providing and laying 15mm thick plaster in cement mortar 1:4 (1 cement : 4 fine sand) finished with a floating coat of neat cement inside surface proportion over brick masonry walls upto 15 mtr. height and concrete surfaces including raking of joints, hacking of concrete surfaces, curing, scaffolding, providing grooves etc. all complete as per drawings,specifications and as directed by the Engineer.

Providing and laying 52 mm thick cement concrete flooring with concrete hardener topping, under layer 40 mm thick cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) and top layer 12 mm thick cement hardener consisting of mix 1:2 (1cement hardener mix : 2 graded stone aggregate 6 mm nominal size) by volume, hardening compound mixed @ 2 litre per 50 kg of cement or as per manufacturer’s specifications. This includes cost of cement slurry, but excluding the cost of nosing of steps etc. complete.

Supplying and applying PU (Polyurethane Base) coating system on new or old surface by cleaning of concrete surface thoroughly with help of either manual or with mechanial tools, removing of traces of chemicals, oil, dust making surface free from any residuals, touch up repairs of pot holes with epoxy putty with floor seal and quartz/silica micro sand applying compatible primer and over that application of 2 coats 90 micron thickness in each coat of UV-Pu base coating system of any approved make and shade, curing etc complete and as directed by the Engineer.The whole treatement shall be guaranteed for five years.

Providing, fabricating, erecting and fixing in position at all heights upto a maximum height of 15 mtrs. with welded/bolted connection to all structural steel works for platform, stairs, ladders, beams, joints, bracings, columns, built up Section, hollow box sections etc. by using plates, beams, channels, angles, pipes, foundation bolts, nult bolts etc. conforming to IS 2062 of approved manufacturer including cost of all material labours, tools land tackles, machines, safety appliances, scaffolding, Scaffolding Safety net made of high density polyethylene UV stabilized having density 100 gm/sqm etc. and painting with two coats of Epoxy paint (two or more coats) of approved make and shade over a coat of suitable primer, etc. complete and as directed by the Engineer.

Providing, fabricating, transporting and erecting M.S. black pipe hand railing (medium grade) around structural steel platform and on both sides of the stairs conforming to IS-1239 consisting of top rail 40 mm dia nominal bore and middle horizontal pipe of 32mm dia nominal bore with approvximately one meter height upright member of 32mm dia nominal bore at 1000mm distance c/c including all joints, bends, toe guard base plates including providing and fixing 100 x 6mm flat toe guard and painting with Epoxy paint (two or more coats) of approved make and shade over a coat of suitable primer all inclusive, upro a height of 15 m etc. complete and as directed by the Engineer.

Providing, fabricating, transporting, erecting and fixing in position upto a maximum height of 15 mtrs. M.S. gratings made out of MS flats of 25 x 6mm as main bar @ 40mm C/c and cross bars of 12 x 5mm @ 100mm c/c including edge bar of 25 x 6mm having necessary cutouts for platforms, landing walk way stairs treads etc. at all heights all complete including welding providing and fixing necessary clips to fix in position with structural supports and finished with two coats of Epoxy paint (two or more coats) of approved make and shade over a coat of suitable primer, all complete as per specifications and as directed by the Engineer.

S T RATHOD (BID ID -3309145)