PROVN OF WEATHER PROTECTION SHEDS FOR SELECTED BLDGS IN HC STUDENTS OFFRS MD ACCN (MAP) AWC UNDER GE (AWC) MHOW

Excavation in post holes (or similar holes) each not exceeding 0.50 cum, in soft/loose soil, getting out, returning filling in & ramming earth or broken rubble mixed with earth around if required, in layers not exceeding 25 cm, watering or removing surplus soil to a distance not exceeding 50 m & making good surface complete all as specified & directed.

M&L for PCC 1:4:8 type D2 using 40 mm graded stone aggregate in foundations, filling & mass concrete complete all as specified & directed.

M&L Cutting holes in brick walls exc half brick but not exc one brick built in cement mortar or cement lime mortar and stone walls built in lime mortar for inserting hold fasts and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 type B-1 as required complete all as specified and directed.

S&F Steel work in Tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS:1161-1998 grade St-240 including distance pieces, cleats, bolts, welding etc complete all as specified & directed.

M&L for Fe 410-W (Gde E-250 quality A) Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats, bolts, welding etc complete all as specified and directed.

S&F Pre-painted galvalume aluminum zinc (hot dip alloy of 55% Aluminium 43.5% Zinc 1.5% Silicon, AZ 150 gm/ sqm both side) based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as specified and directed.

S&F Pre-painted galvalume aluminum zinc (hot dip alloy of 55% Aluminium 43.5% Zinc 1.5% Silicon, AZ 150 gm/ sqm both side) based plain steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as specified and directed.

M&L Washed stone grit plaster on exterior walls in two layers, under layer 12mm cement plaster 1:4 (1 cement: 4 coarse sand ) furrowing the under layer with scratching tool, applying cement slurry on the under layer @ 3 Kg of cement per square metre, top layer 15mm cement plaster 1:1/2:2 (1 cement: 1/2 coarse sand : 2 stone chipping 10mm nominal size) in panels with groove all around as per approved pattern including scrubbing and washing, the top layer with brushes and water to expose the stone chippings matching with adjacent finishes complete all as specified and directed.

S & F 75 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls including socket reducers for sprout pipes where required complete all as specified and directed.

S&F Stack clamps made out of 50x5 mm flat iron, 16mm dia round iron stays including bolts & nuts and securing ends of stays to wall or roof for 75 mm PVC pipe complete all as specified and directed.