REPAIR TO ROOF TREATMENT, CGI SHEETS/ AC SHEETS IN ROOFING, FALSE CEILING IN TECHNICAL AREA AT AIR FORCE STATION PATHANNKOT

Amount

Material and labour for remove all loose gravel cement mortar , dirt, oil, grease and foreign material by jet of dry air and clean the surface mechanically or by grinding to make it smooth before application loose existing bituminious material manually and with heat torch gun to get smooth plain finished surface with no loose material on surface . Repair all joints & cracks with Highly elastic Bituminous cold applied putty --Tarplasic -->having penetration after setting upto 8mm . Leveling of Surface to give proper Slope will be done as per site requirements with Shalipatch cold applied ,Bituminous Mortar & Cold Emulsion cum Waterproofing Liquid --Shalikote -T-10. Create SSD condition on Surface with Water. Prime the surface with Tarfelt LM mixed with potable water in the ratio of 1 : 1 and apply @ 400 grm per Sqm ( As per Surface Conditions ) • Apply first coat of Tarfelt LM having elongation 200% conforming to ASTM -C -412& having crack bridging of .8mm confirming to ASTM -C -836 with Tensile strength after 7 Days 0.50 mm conforming to ASTM-C-412 with no diluation of water on primed surface while the surface is still tacky with consumption of 700 gram per Sqm .Lay Geotex of 45 GSM /Fibre mesh simultaneously and paste it properly with overlap of 50mm .Allow the first coat to dry for 10 to 12 Hrs . • Apply 2nd coat on cured first coat with consumption @ 700 gram per Sqm in oppsite direction of first coat by Brush or Roller Allow it to dry for 10 – 12 hr after apply 3rd coat with consumption @ 700 gram per Sqm . • Ensure final curing time of 36 hrs before allowing / carrying out any further work. Conduct Ponding test after min.7 Day Applying two coats of U.V Resistant Elastomeric Exterior Axcrylic Weather resistantwaterproof coating --Shalicryl-215---Having Elongation of 300 % after curing of 14 Days confirming to ASTM D-6083-- for U.V protection of Bituminous Elastomeric Acrylic Emulsified Liquid Membrane --Tarfelt LM to give long life & prevent its deterioration from Sunlight. Note : Application of water proofing treatment will be done by Authorised Applicator only .

Removing old tar felt, all loose dirt,old roof tiles,cleaning the concrete surface including removal & cleaning of vegetation, fungus,mass small trees etc from the roof top with wire brush, removing the strips of lightening conductor including refixing the same after repair work and applying neat cement slurry @ 1.5Kg/Sqm complete all as specified and directed by Engineer-in-Charge.

Material and labour for 15mm thick cement plaster in cement mortar 1:4 over concrete surface on top of roof finished even and smooth without using extra cement mixed with water proofing compound pidi proof LW @ 200ml per 50Kg cement as per manufacturers instructions complete all as specified and directed by Engineer-in-Charge (WPC shall be measured and paid separately).

Supply only liquid water proofing compound pidilite LW complete all as specified and directed by Engineer-in-Charge.

Material and labour for providing APP modified water proofing membrane with non woven polyster super thermally laid with overlaps, bonded with hot blown bitumen 85/25 @ 1.20Kg/Sqm, over a coat of manufacturer's primer 0.3 ltr/Sqm on the prepared surface of plaster, end over laps shall not be less than 150mm and side over laps 75mm . APP modified water proofing membrane shuold be five layered 3mm thick and minimum weight 3kg per square metre complete all as specified and as directed by Engineer-in-Charge.

Dismantling framed wooden trusses span n exc 10 m of any description and in any position complete all as specified and directed by Engineer-in-Charge.

Dismantling timber scantling in fillets, rails, posts, rafters, purlins etc. under 40 Sqcm in section framed work complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to IS 1161-1979 grade St.-240 complete all as specified and directed by Engineer-in-Charge.

Supply and fixing rolled MS section as in main and cross beams, hip and jack rafters, purlins where connected to common rafters and running rails and guides for sliding doors, fixed with angle cleats or other connecting plates confirming to Fe 410-W quality B complete all as specified and directed by Engineer-in-Charge.

Supply and fixing for plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes,with riveted, bolted or welded attachment conforming to Fe 410-W (Gde-E 250) quality-A etc. complete all as specified and directed by Engineer-in-Charge.

Dismantling AC corrugated or semi corrugated sheets in wall cladding or roof coverings including ridges and make good of aluminium earthing strips after fixing of sheets complete all as specified and directed by Engineer-in-Charge.

Dismantling GI/PPGI corrugated or semi corrugated sheets in wall cladding or roof coverings including ridges and make good of aluminium earthing strips after fixing of sheets complete all as specified and directed by Engineer-in-Charge.

Supply and fixing for Pre-painted galvalume aluminum zinc coating GI 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 complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair pre-painted galvalume aluminum zinc coating GI 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 complete all as specified and directed by Engineer-in-Charge.

Supply and fixing for in repair 0.63mm thick galvanised with grade of zinc coating 275gm/sqm mild steel sheeting (with grade of zinc coating 275 Gm/sqm) with two corrugation side lap fixed with L- type or cranked hook bolts and washer in roof, wall etc bent to curve complete all as specified and directed by Engineer-in-Charge.

Supply and fixing for in repair 0.63mm thick plain, galvanised, mild steel sheeting as ridges hipe, valley, gutters, drip and straight flashing (length and girth as fixed) with grade of zinc coating 275 gms per sqm complete all as specified and directed by Engineer-in-Charge.

Taking down earthing arrester including strip and refixing same postion after fixing of any type roof sheet complete all as specified and directed by Engineer-in-Charge.

Preparing new steel surfaces of any description exc 10cm width or grith and applying two coat of synthetic enamel paint over a coat of red oxide complete all as specified and directed by Engineer-in-Charge.

Dismantling wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs any thickness, including cover fillets complete all as specified and directed by Engineer-in-Charge.

Taking down carefully (copper/aluminium) point wiring for ceiling fan/light fitting in ceiling and refixing the same in any position including replacing damaged material and lowering/rising the rod of ceiling fan if required complete all as specified and directed by Engineer-in-Charge.

Supply and fixing position suspended false ceiling system using T-grid suspended ceiling grid system . The size of grid shall be 600x600mm with GI frame work main runner 38x24x3600mm, cross tee25x24x600mm/25x24x1200mm and wall angle 24x24x2540mm( thickness of the materail of 0.30mm). using 9mm thick ceiling panel laminated with PVC film on front face and foil back available in the drop texture as per IS-2095, part-I 1996, fixed in the grid of T-grid suspended ceiling grid system duly susupended by 4mm dia GI bar hanged from the purlins of the roof with butter fly clips complete all as specified and directed by Engineer-in-Charge.

Dismantling of Rain water pipe of AC or PVC or any type fixed to wall of wall cladding with MS strap of any diameter complete all as specified and directed by Engineer-in-Charge.

Supply and fixing 150 mm dia PVC (SWR) pipe single socketed in any length with rubber ring joint fixed to wall /wall cladding complete all as specified and directed by Engineer-in-Charge.

Supply and fixing of 150 mm dia PVC (SWR) bends as a shoes of rain water complete all as specified and directed by Engineer-in-Charge.

Dismantling wrought iron or mild steel work of any description and in any position complete all as specified and directed by Engineer-in-Charge.

Supply and fixing of bands , straps supports of stays for rain water pipe, strap for valley gutter and one extra angle welded to existing window frame to fix the two window panes in one fixed type window. Similar small article confirming to FE -290-Gde -E -165 complete all as specified and directed by Engineer-in-Charge.

Supply and fixing for posts and struts including cutting tops to shape as directed, drilling holes, flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc.and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed by Engineer-in-Charge.

Supply and fixing for 4mm mild steel wire, galvanised class 3, in any postion including straining and fixing to steel posts and/or to straining bolts, including securing with and provision of galvanised iron tying wire, galvanised iron staples or steel pins, etc. as directed (each line of wire to be measured) complete all as specified and directed by Engineer-in-Charge.

Material and labour for re-securing and restraining GI Wire including making good complete all as specified and directed by Engineer-in-Charge.

Demolition brick work built in cement mortar of any description complete all as specified and directed by Engineer-in-Charge.

Material and labour brick work with sub class 'B' modular brick straight or curved on plan exc 6M mean radius built in cement mortar 1:4 complete all as specified and directed by Engineer-in-Charge.

Taking down cement plaster of any description on brick or stone walls, including raking out joints, hacking for keys, scubbing down with water etc and complete all as specified and directed by Engineer-in-Charge.

Material and labour for 15mm thick cemet plalster in cement mortar 1:4 over concrete surfaces finished even and smooth without using extra cement complete all as specified and directed by Engineer-in-Charge.

Preparation of newly plastered surfaces and applying two coats of Acrylic exterior emulsion paint with camouflage pattern over a coat of primer shades as directed by Engineer-in-Charge and as required at site including necessary scaffolding and other arrangement to work up to a height of 10 metres complete all as specified and directed by the Engineer-in-Charge.

Material and labour for Cement concrete Type B-2 (1:2:4)using 40 mm graded crushed stone aggregate as in foundation filling and mass concrete complete all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete of any description and in any position not otherwise specifically complete all as specified and directed by Engineer-in-Charge.

Material and labour for providing PCC 1:2:4 type B1 using 20mm graded crushed stone aggregate including necessary formwork as in cills, steps, seismic & other similar bands, string course, lacing course, parapets & railing up to 60cm in height, copings, kneelers, apex stones, bed plates and the like including weathering, slightly rounded or chamfered angles & throating complete all as specified and directed by Engineer-in-Charge.

Taking down anti bird netting of any description at any position and any height complete all as specified and directed by Engr-in-Charge.

Supply & Fixing of bird control nets of polyolefin all weather proof co-polymer, machine knotting using CNC machine with DSLS technology for anti slip knotting, mesh size 20mmx20mm and diameter of twine 01mm with 2mm dia border rope including 2mm dia tie ropes braided/ standard rope of polyolefin coplymers at an interval of 10ft having length of 6ft including fixing at any height / any location all as per manufacturers instructions complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Solid PVC Wall Lining consisting of 5mm thick Plain colour PVC sheet inclusive of solvent cement and fixing at site on PVC frames complete all as specified and directed by Engr-in-Charge.

Supply and fixing 5mm thick PVC sheet fillet of width 35mm for wall paneling inclusive of fixing on to wall to make PVC frame complete all as specified and directed by Engr-in-Charge.

JAGDISH SINGH ASSOCIATES (BID ID -3090434)

kewal builders (BID ID -3089952)

A R ENTERPRISES (BID ID -3090452)

PARVINDER BHARDWAJ (BID ID -3090611)

M/S SINGH AND ASSOCIATES (BID ID -3090140)

Auto India (BID ID -3085181)

INDERJIT SINGH (BID ID -3083495)

M/s Shakti Electric Works (BID ID -3090827)