8385 SPECIAL REPAIRS TO RCC ROOF WITH CHAJJAS MANGALORE TILES OF ROOF AND OTHER CONNECTED WORKS OF VARIOUS DEPT OF AFMC UNDER GE (CENTRAL) PUNE

Amount

Complete removal of existing old bitumenous tarfelt (water proofing treatment) including cement screed bedding and PCC padding at any height and cleaning the surface with wire brush and washing with water to achieve the original surface of slab all as specified and directed.

M & L for 25mm consolidated thickness PCC 1:2:4 type B-0 using 12.5mm graded stone aggregate as levelling course all as per the requirements all as specified and directed.

M & L water proofing treatment to RCC roof slab, walls, chajjas etc, shall be carried out as specified below : - (a) M & L for 10 mm thick plaster screed bed layer in CM 1:3 on concrete surfaces by using liquid Water proofing chemicals @ 200 ml per bag of cement. (b) Preparing plastered surfaces of roof slab, walls, chajjas etc by brooming with broom sweeping free from dirt dust etc and evenly applying one coat of oil based cold bituminous primer @ 0.70 Kg per Sqm of areaof density at 25 degree Centigrade 0.87-0.89 Kg/Litre and viscosity 70-160 cps or cold sticker complete all as specified. (c) Laying APP polymer modified approved membrane, non woven, polyster, weighing not less than 3.60 Kg/Sqm and 3mm thick with laps and overlaps as specified and joints sealed and applied complete by torch application method all as specified and directed by Engr-in-charge. (d) Applying one coat bitumen grade 85/25 @ 1.20 Kg/Sqm (e) Finally applying a coat of solar reflective bituminous aluminium paint @ 0.15 Ltr/Sqm on the top of membrane surfaces complete all as specified and as directed by Engr-in-charge.

Supply only Liquid Waterproofing compound.

M & L for cement concrete Type B-0 1:2:4 using 12.5mm graded stone aggregate cement concrete in roof kerbs or mud stops, rounded or chamfered on edges, mud stops and on chajjas laid over RCC surface finished even and smooth without using extra cement includng necessary water proofing chemicals @ 200 ml per bag of cement all as specified and directed.

Disconnecting existing OH tanks exc 500 Litre not exc 1000 capacity, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position if required after completion of roof repairs complete all as specified and directed.

Disconnecting existing OH tanks exc 1000 Litre not exc 2000 capacity, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position if required after completion of roof repairs complete all as specified and directed..

S & F rotational moulded polythylene water storage tanks of 500 Litre capacity tripple layers (cylindrical vertical with colsed top) hoisted and fixed in postion including all necessary GI fittings such as nipple, union / sockets etc and connecting up pipes etc including dismantling old water tanks complete all as specified and directed.

S & F rotational moulded polythylene water storage tanks of 1000 Litre capacity tripple layers (cylindrical vertical with colsed top) hoisted and fixed in postion including all necessary GI fittings such as nipple, union / sockets etc and connecting up pipes etc including dismantling old water tanks complete all as specified and directed.

Supply and fix in repairs 20mm bore dia ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe complete all as specified & directed.

Supply and fix in repairs 25mm bore dia ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe complete all as specified & directed.

Taking down 20mm bore dia steel tubing with necessary fittings & connection etc including cleaning for re-fixing complete all as directed.

Cutting chases, pinning in, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc. and cutting chases for concealed water tubing or concealed conduit wiring etc., and making good, cutting not exc 10 cm girth complete all as specified & directed.

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

Supplying and laying 20mm bore dia of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings fixed on walls / ceiling or laid in floors / trenches including all required fittings complete all as specified.

Refixing 20mm bore dia GI tubing medium grade with new fittings in new or old postion and fixed to walls and ceiling or laid in floors complete all as directed. Note :- GI tubing shall be reused obtained from item No 12 above.

Taking down 25mm bore dia steel tubing with necessary fittings & connection etc including cleaning for refixing complete all as directed.

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

Refixing 25mm bore dia GI tubing medium grade galvanized with new fittings in new or old postion and fixed to walls and ceiling or laid in floors complete all as directed. Note :- GI tubing shall be reused obtained from item No17 above.

S & F in repairs to 20 mm bore dia gun metal globe or gate valves with iron wheel head screwed both end for iron pipe complete all as specified & directed.

S & F in repair 110mm bore dia PVC (SWR) pipes single socketed in any length with rubber ring joints aid in trenches / floor or fixed to walls complete all as specified and directed.

S & F in repair 75mm bore dia PVC (SWR) pipes single socketed in any length with rubber ring joints fixed to walls laid in trenches / floor or fixed to walls complete all as specified and directed.

M & L Rendering 15mm thick on fair faces of brick work or concrete surfaces of wall in CM 1:4, finished the surface even and smooth without extra cement including taking down old cement plaster on stone / Brick walls including raking out joints, hacking for key, scrubbing down with water complete all as specified and directed.

M & L rendering 5mm thick plaster on concrete surfaces of ceiling in CM 1:3 finished even & Smooth without using extra cement including taking down old cement plaster complete all as specified and directed. .

M & L for preparing newly plastered surfaces of walls and applying two coats of cement base paint over a coat of primer complete all as specified.

M & L for three coat of white wash to newly plastered surfaces of ceiling complete all as specified. .

Dismantling single layer Mangalore pattern or similar tiles in roofing including ridge tiles complete all as directed.

Dismantling battens for tiles, shingles etc. of any size including tilting fillets, spacing exc.15cm complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any description & in any position not otherwise specifically provided complete all as directed .

Dismantling Boarding of any description fixed in any position with nails with or without cover fillets complete all as specified and directed.

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings , any description and in any position complete all as specified and directed.

Dismantling timber scantlings 40 Sqcm and over in section in any position 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 I.S.1161- 1979 grade St.-240, including one coat shop primer complete all as specified and directed.

S & F Manglore pattern corrugated prepainted galvalume aluminium zinc coating GI based 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 complete all as specified and directed.

S & F Prepainted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of an 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.

S & F 1.00mm thick Plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 complete all as specified and directed.

Dismantling of Wall and ceiling boards (fibre, pulp, insulation etc.) or insulation boards / slabs / blankets, any thickness, including cover fillets complete all as specified and directed.

S & F powder coated aluminium snap grid framed work of size 600mm x 600mm for false ceiling and including suspended hangers 6mm dia G.I (upto 1200mm long) adjusting level fixed to roof slabs/purlin/rafter with the help of cleats made out of G.I flat 40 x 3mm of size 60mm long and expansion hold fastener 12.5mm dia 40mm long with including 8mm thick seamless calcium silicate ceiling board of siliceous and calcareous material reinforced with cellulose as approved complete with following aluminium anodised sections :- (a) Main and cross Tee shall be of size 36.5mm x 23.5mm x 1.5mm thick and 23.5mm x 23.5mm x 1.28mm thick respectively and jointed at junction/crossing with aluminium anodised angle bracket of size 15mm x 15mm x 1.5mm thick weighing 0.12 Kg/RM fixed with suitable M.S bolt, Nuts & washers as per manufaturere's insructions . (b) The snap grid (Main / Cross Tee) section shall be suported at the end along the wall with aluminium anodised angle of size 40mm x 25mm x 2mm thick weighing 0.36 Kg/RM. (c) PVC protcted sheeting shall be used to avoid scraches, damages to frame work while fixing to ceiling.

M & L preparation of new steel surfaces exceeding 10 cm width or girth and applying two coat of synthetic enamel paint over one coat of zinc primer complete all as specified and directed.

M & L Filleting in any position and to any shape exc 25 Sqcm not exc 50 Sqcm in cement mortar 1:3 including all mitres, stops etc complete all as specified and directed.

Parhar Enterprise

M/s Omkar Associates

REKHA ELECTRICALS

Prem Singh

KSP ENTERPRISES

SHAH BUILDERS