SPECIAL REPAIR OF ROOF AT HQ CGDA HQ OFFICE ULAN

Amount

Demolition of mud phuska as in roofs, any thickenss including plastering sweeping clean and washing down with water to remove dust etc including disposal of all materials to outside MOD land as per NGT guideline complete all as specified and and directed. (work to be executed in G+2 building).

Dismantling of brick tiles or terracing tles, single layer on roofs complete all as specified and as directed.

Digging out plant roots from roof/wall , removing unserviceable material and cleaning site and making good distrubed portion in CM 1:4 or cement concrete 1:2:4 type B1 as required complete all as specified and directed.

Demolation of PCC of any description and in any position and including disposal of all debris to outside MOD land as per NGT guidelines complete all as specified and as directed.

M&L for Cutting grooves in brick wall, 75 mm wide and 65mm deep and shaping horizontal face of grove with cement mortar 1:3 complete all as specified and directed.

M&L for providing plain cement concrete, type B-1, 1:2:4 (using 12.5 mm graded stone agg) as in roof kerbs, padding, Gola, rounded or chamfered on edges complete all as specified and directed.

M&L for 20 mm thick rendering on concrete surface of roof with cement mortar 1:4 finished even and fair including mixing of water proofing compound as per manufacturers instruction complete all as specified and directed. (Note : Water proofing compound shall be measured and paid separately)

Supply only water proofing compound.

M&L for roof treatment with polymeric membrance (APP based) with non woven polyster mat as reinforcement with following:- (a) M&L for cleaning the new plastered surface and providing & laying a coat of cold applied bitumen 85/25 based primer on entire surface @ 0.40 Ltr/Sqm on dry and clean surface. (b) M&L for providing & laying APP based polymeric membrane of 4 mm thickness of weight of 4.0 Kg/Sqm with non woven polyster fibre as reinforcement on primed surface by torch application with 15 cm end over laps & 10 cm side over laps (overlaps to be thermo fused by flame) and applying one coat of hot blown bitumen 85/25 @ 0.70 Kg/Sqm all as directed. Make : STP & IWL.

Supply and fixing Heat Resistant Terrace Tiles (300 mm x 300 mm x 20 mm) with SRI (solar refractive index) > 78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and sloped surface of terrace, laid on 20 mm thick cement sand mortar in the ratio of 1:4 (1 cement : 4 coarse sand) and grouting the joints with mix of white cement & marble powder in ratio of 1:1, including rubbing and polishing of the surface upto 3 cuts complete, including providing skirting upto 150 mm height along the parapet walls in the same manner.

M&L for Two coat of Aluminium paint over a coat of primer on APP membrance any description, over 10cm in width or girth,not otherwise described complete all as specified and directed.

Demolition of brick work built in cement mortar complete all as specified and directed

M & L for brick work with sub-class B brick straight or curved on plan built in cement mortar 1 : 6 complete all as specified and directed

Taking down cement plaster of any description on brick or stone walls etc including raking out joints hacking for key scrubbing down with water etc

M&L rendering 15mm thick in cement mortar 1:4 brick surfaces of walls finished the surface fair and even without using extra cement complete all as specified and directed.

M&L for Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm) M&L for applying two coats of cement based paint on newly plastered surfaces including preparation of surfaces complete all as specified and as directed

Taking up or down 25mm bore steel tubing and connections, including cleaning for refixing or removal to store

Taking up or down 20mm bore steel tubing and connections, including cleaning for refixing or removal to store

Refixing old 25mm bore steel tubing and connections in new or old position (Walls, ceiling, floors, etc.complete.

Refixing old 20 mm bore steel tubing and connections in new or old position (Walls, ceiling, floors, etc.) complete.

S & F 20 mm bore galvanized steel tubing medium grade with all fitting and fixed to walls and ceiling or laid in floors complete all as specified and directed.

S & F 25 mm bore galvanized steel tubing medium grade with all fitting and fixed to walls and ceiling or laid in floors complete all as specified and directed.

S&F plain 0.56 mm Aluminimum sheeting , Alloy 31000 H4 in ridges, crumple joint hips,valley gutter , drip and straight flashing, in ridges, hips, valley, crumple joint, drip and straight flashings complete all as specified and directed by Engr-in-Charge.

Dismantling of cast iron or reinforced concrete drain pipes, jointed in cement mortar Socket etc.complete all as specified.

S&F 100mm bore Cast iron soil, waste and vent pipes in any length with or without ears, with cement joints, fixed on wall complete all as specified.

S&F in repair 100mm Bends (any radius), diminishing pieces or tapers (larger bore measured)

S&F in repair 100mm bore Sockets (double) collars complete all as specified.

S&F in repair Stack clamps out of 50 mm by 5 mm flat iron and 16mm dia round iron stays for 100mm bore pipe, including bolts and nuts and securing ends of stays to wall or roof

M/S MSD & Associate

PBS Construction Co

M/S Rohit Enterprises

M/s SAAR ENGINEERS

J D ENTERPRISES

YP INFRA