Replacement of damaged fire check door in Girls hostel, New Boys hostel, SR hostel, OB hostel, and JRD hostel at Residential campus GTB Hospital, Shahdara, Delhi.

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

"1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size).

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level.

Cement mortar 1:4 (1 cement :4 coarse sand)

Providing and fixing aluminium die cast body tubular type universal hydraulic door closer (having brand logo with ISI, IS : 3564, embossed on the body, door weight upto 35 kg and door width upto 700 mm), with necessary accessories and screws etc. complete.

Providing and fixing aluminium sliding door bolts, ISI marked anodised (anodic coating not less than grade AC 10 as per IS : 1868), transparent or dyed to required colour or shade, with nuts and screws etc. complete :

Providing and fixing aluminium tower bolts, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete :

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete.

Twin rubber stopper

Providing and fixing carbon steel galvanised ( minimum coating 5 micron) dash fastener of 10 mm dia double threaded 6.8 grade (yield strength 480 N/mm2), counter sunk head, comprising of 10 m dia polyamide PA 6 grade sleeve, including drilling of hole in frame , concrete/ masonry, etc. as per direction of Engineer-in-charge.

Applying priming coat:

With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

Providing and applying two coats of fire retardant paint on cleaned wood / ply surface @ 3.5 sqm per litre per coat including preparation of base surface as per recommendations of manufacturer to make the surface fire retardant.

Dismantling doors, windows and clerestory windows (steel or wood)shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead

Of area 3 sq. metres and below

Taking out doors, windows and clerestory window shutters (steel or wood ) including stacking within 50 meters lead:

Of area 3 sq. metres and below

Supply and fixing of 2nd class teakwood door frame with 02 nos. heat activated intumescent fire seal strip of section 10 mm x4 mm. The frame shall be painted with fire retardant primer FR880 type. The frame shall be fixed in existing opening with the help of stainless steel hold fasteners of 10mm x 160 mm size as per direction of Engineer-in-charge. The door frame shall be minimum 2 hours fire rating (fasteners paid separately). a) Door frame of section 145 mm x 90 mm

Providing and fixing 50 mm thick wooden fire rated doors as per BS: 476 Part-20 & 22 & IS 3614 part-1 & part-2 for stability, integrity and thermal insulation (3 criteria wooden door) with the following specification. Fire door should be tested at CBRI for fire rating of 2 hrs. Fully insulated fire door shutter shall be comprising of 70mm z 44mm hardwood internal timber frame work consisting of 2 vertical members and minimum 4 horizontal members, with infill of 20 mm thickness of 48 kg/cum, ceramic fiber blankets, coated on both side for insulation. The coated insulation shall be sandwiched between 12 mm thick, calcium Silicate Boards on both sides (edge to edge on internal Hardwood frame) and facing with 3 mm commercial ply (BWP) ply on both sides, with 50 mm x14 mm teak beading 20 x 4 mm fire & smoke intumescent seal complete as per direction of Engineer-in-charge. a) 1070 mm x2050 mm

Providing and fixing 304 grade stainless steel ball bearing butt hinges of size 100x75x3 mm in fire rated door shutters of approved make, approved by Engineer-in-charge including stainless steel screws etc. complete as per direction of Engineer-in charge.

Supply and fixing of interlayer fire rated glass minimum 11 mm thick interlayer, 120 minutes fire rated (EW120, EI 15 minutes) Non wired, Toughened interlayer glass of approved make which can also withstand thermal shock up to 800 degree centigrade in glazing (Vision Panel top/side fixed glazing) to be fixed in between the glass beading by using ceramic fiber in accordance with BS: 476 PART 22/EN 1363 EN 1364 for stability and integrity of size 300 mm x 500mm (clear vision)

Providing and fixing batwing seal of Lorient or equivalent as approved by the Engineer-in-charge for door frame for double leaf door set as per IS 1212, automatic drop seal for bottom of the shutter as per IS 8010 and for double leaf shutter as per IS 7061.

Providing and fixing pair of stainless steel 304 grade ‘D’ type pull handle of size 300 m long and 22 mm dia back to back, of approved brand, as approved by Engineer-in-charge including.

Credit for dismantiled material to be taken by Agency as and where basis.

Door shutter with frame

Door shutter without frame

Sushil Kumar

Ram Kumar Sharma

Shamshad Ahmed

A.V.Enterprises

Krishan Kumar

TKN Developers