various mechanical works- metal fabrication.- fabrication and erection of channel iron column to act as support for resting of monorail crane as per following details:- vertical posts = ismc 150 no. of vertical posts = 02 nos. vertical channel section each post = 02 nos. vertical post bracing = ismc 100 sole / matching plates = 500x300x12 thick height of vertical posts = 6m size of vertical post concrete blocks = 600x600x1200 mm(depth) concrete grade = m20 (1:1.5:3) welding electrode = overcord ss of adore/esab/landt/advani monorail section = ismb 200 length of monorail = 3.5m steel detail : i. ismc 150 6mx2x2 = 24 m @ 16.8kg/m = 403.2 kg ii ismc 100 0.25mx8x2x2 = 8 m @ 9.56kg/m = 76.48 kg iii plate 0.500x0.300x6 (12mmthk) = 0.90 m(12thk) = 84.78 kg iv monorail ismb 200 3.5 m @ 24.2 kg/m = 84.7kgs v bolts/nuts (l.s) = 20 kgs vi the job includes welding of isa 50x50x5 each 1 in length to the vertical post so as to act as ladder. 15 steps = 17.50 kg total = 686.66 say 690 kgs 02. providing, erecting testing and commissioning of manually operated spur gear short head chain pulley block isi marked/embossed with monorail, having the following: make = indef/globe/pull lift capacity = 2mt no. of chain falls = 4 min. height of lift = 6 m gears: - the hoist shall have precision cut super and helical gears made of alloy steel mounted on bearings and housed in a dust proof gear box. the lubrication of gears be of high viscosity and temperature for longer life of gears. load chain:- the load chain be made of high tensile alloy steel having wear resistance and greatest mobility. the chain should be accurately collaborated, tested and have adequate in built factor of safety for safer operation. load chain wheel:- specially designed, perfectly machined wheel providing correct grip of load chain made of malleable cast iron makes the hoist most safe and reliable against any failure. 01 job 03. tool kit for maintenance:- the tool kit for maintenance shall comprise of the following and all the items as mentioned below shall be of taparia make: i. open end spanner of size (4/5 to 30/32) (01 complete set) ii. ring spanner set of size (12/13 to 30/32) (02 complete sets) iii. combination pliers, 9 inch : (02 nos) iv. nose pliers 9 inch : (02 nos) v. screw driver (flat and philip tip)12 inch and 9 inch :( 01 no. of each size) vi. hammer with wooden handle, 1 kg and kg : (01 no each) vii. pipe wrench 24 inch and 18 inch : (01 no. each) viii. chain tong for holding min of 65mm dia pipe : (02 nos) ix. multi-meter clamp type: 02 nos (fluke/ meco/siemens/mastechmake) x. taparia s-16hxl socket set- (01 no.) 01 job 04. fabrication, welding and providing at site m s angle iron for fabrication of beds out of (isa-40x40x5 mm). the top of the bed shall be fixed with 19mm thick ply board of required size. the bed size one of 4x6 with 06 legs/vertical supports each of 2ft heigh
