ADDN /ALTRATION AND SPECIAL REPAIRS TO CERTAIN STORAGE ACCN FOR BSO YARD AND PROVISION OF COVERED SHED FOR WASTE SEGREGATION AT KAMAKHYA FOREST AT INS DRONACHARYA

Amount

Dismantling asbestose cement corrugated or semi corrugated sheet in roof covering all as specified and directed.

Dismantling wrought iron or mild steel work of any description and in any position

S&F steel work in tubular trusses including (posts,purlins and rafters) special shaped washers etc complete using ERW or induction butt welded tubes all as specified and directed .

All are as per item No 3 above but erection and fixing only.

S&F plates (plain or chequered) channels, square cut or notched (ordinary and ounter sunk) forming holes, without any attachment confirming to Fe-410-W Gde E-250 all as specified and directed .

M/L Bands, straps, supports or stays for rainwater, wind ties, clamps, hold fasts, and similar small articles conforming to Fe-290 Gde-E-165 all as specified and directed.

M&L for preparation of new/old steel surfaces over 10cm width or girth and applying two coats of VX-polymer based anti corrosive paint over a coat of anti corrosive primer complete all as specified.

S&F pre-painted galvalume aluminum zinc coaing GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and as directed.

S&F pre-painted galvalume aluminum zinc coaing GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and as directed.

Fixing in repairs 6 mm thick asbestos cement corrugated or semi corrugated sheets in roofs, wall cladding fixed with L type or J type or cranked hook bolts.

Excavating in trenches, not exc. 1.50 m wide and n.exc 1.50 m in depth for foundation etc in soft/loose soil and getting out all as specified.

M/L PCC 1:4:8 type D-2 using 40mm as in fdn filling all as specified and directed.

M&L cement concrete in foundations, filling and mass concrete type C-2 1:3:6 (using 40mm graded aggregate)

Removing excavated material exc. 250 m but n.exc 500 m spreading and levelling in layers n.exc 25 mm thick in floors.

surface excavation n. exc 30cm deep and averaging 15cm deep and getting out in soft/ loose soil.

M&L PCC 1:5:10 (Type E2) using 40mm graded crushed stone aggregate as in foundations, filling and mass concrete.

M/L Re-inforced cement concrete 1:1 1/2 : 3, type A-1, using 20 mm graded stone aggregate as in fdn footing complete all as specified.

M/L TMT bars 10 mm dia and over , cut to length bent to shape required including cranking bending spirally for hooping for coloumns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90 mm dia complete all as specified.

Form work to sides of concrete foundations, footintgs, base of coloumns of foundation and plinth beams, vertical or to batter all as specified and directed.

M & L pre- cast cement concrete block masonry with solid blocks type C1, 1:3:6 using 20 mm thick graded stone aggregatge , exc 10 cm in width and setting cement mortar complete all as specified and as directed.

M&L for moorum/red bajri filling in floors or pavings, laid in layers n.exc 15 cm thick spread, levelled and rammed including watering.

M&L Hard core broken stone or boulders of guage n exc. 63mm, deposited , spread and levelled in layers n exc. 15cm thick and watered and rammed to a true surface.

M & L PCC 100 mm thick , 1:4:8 (Type D-2) using 20 mm graded crushed stone aggregate as in flooring.

M & L PCC 40 mm thick , 1:2:4 (Type B-1) using 20 mm graded crushed stone aggregate as in floorin gfinished the surface even and smooth without using extra cement all as specified.

M & L glass dividing strips, 3 mm thick and 38 mm width inserted in position all as specified.

M&L for rendering 10mm thick in cement mortar 1:6 on concrete or brick surfaces of wall and finished even and smooth without using extra cement.

M&L for preparation of new plastered surface of wall and applying two coats of cement base paint over a coat of white wash complete all as specified and as directed.

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K R JOSEPH AND SONS

R.K. Builders

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General Engineering and Constructions