The Durgapur Projects Limited Tender

(ii) In wall :- With 0.80 mm thick sheet)

Galvanised corrugated iron sheet work at 72 mtr. height (excluding the supporting frame work) fitted and fixed with 10 mm. dia J or L hook-bolts, limpet and bitumen washers and putty complete with 150 mm. end lap and one corrugation minimum side lap. (Payment to be made on area of finished work)(GCI sheet to be supplied by contractor) (i) In Roof:- (With 0.80 mm thick sheet) .

Making one set of scaffolding only for replacing glass panels, painting, uprooting plant and another repairing works of building and S&P works for external works only at 72 m height with 10 cm. dia bamboo as main posts at the rate of 1 metre centre to centre and 7.5 cm. dia bamboo ties @ 0.75 metre apart fitting and fixing with necessary coir, nails etc. as per direction of the Engineer-incharge. (This item should be executed only after prior approval of the Engineer-incharge). Firstly, one number to be paid and then labour rate for shifting up to further nineteenth (19) times @ 10% each time to be considered. If necessary further after twenty times of total use, another one number new and labour rate for shifting to be considered accordingly.

M.S. structural works at 72 m height in columns, beams etc. with simple rolled structural members (e.g. joists, angles, pipes, bars, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in- charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1956 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as labour insurance charges etc. I) For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m.

Taking out wind-tie from roof of pent house (72 mtr. height) including cutting out rusted bolts, nuts etc. and removing materials to any distance within the compound and stacking.

Taking out carefully G.C.I. or C.I. or asbestos sheets (including ridges etc.) from roof or wall of pent house (72 mtr. height) after unscrewing bolts, nuts, screws etc.and stacking the material at site as directed.

Galvanised plain sheet works at 72 mtr. height (excluding supporting framework) fitted and fixed with 6 mm. dia J or L hook-bolts and nuts, sheet-bolts, limpet and bitumen washers and putty with 150 mm. end lap & 50 mm minimum side lap complete. In roof with 0.63 mm thick sheet

Galvanised iron sheets valley gutter with perimeter not less than 750 mm with 225 mm lap each way fitted and fixed with necessary bolts, nuts, screws, etc.complete. at top of pent house (72 mtr. height) Valley gutter made of 0.63 mm. thick sheets. (300mm End lapping)