Construction of chambers at dining hall , replacement of existing glass doors at dining hall and hub building , rain water disposal work at school building and P/F collapsible steel shutters at Dining hall terrace

Amount

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 1.5km lead as per direction of Engineer - in- charge

Dismantling of chamber of various sizes including C.I. grating with frame including stacking of useful materials near the site and disposal of unserviceable materials within 1.5km lead including refilling the excavated gap

Excavating trenches of required width for pipes, cables, etc. including excavation for sockets, and dressing of sides, ramming of bottoms, depth upto 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Constructing brick masonry chamber for underground C.I. inspection chamber and bends with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover with frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg), R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 fine sand : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand), finished smooth with a floating coat of neat cement on walls and bed concrete etc. complete as per standard design Inside dimensions 455x610 mm and 45 cm deep for single pipe line With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 .

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete :

150 mm dia. R.C.C. pipe

250 mm dia. R.C.C. pipe

300 mm dia. R.C.C. pipe

Providing and fixing 12mm thick toughened glass door shutter of approved brand and manufacture, including providing and fixing top & bottom pivot & double acting hydraulic floor spring /SS hinge (3 nos per shutter including SS screws) type fixing arrangement and making necessary holes etc. for fixing required door fittings, all complete as per direction of Engineer in charge (including SS Door handle- H type 300mm, lock and stopper etc. ) door will be fixed in aluminium section (aluminium will be paid extra in Kg) and P/f frosted film as per approved pattern including adhesive

Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of T-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer and Painting with synthetic enamel paint of approved brand and manufacture to give an even shade

Providing and fixing stainless steel ( Grade 304) railing made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.).for providing and fixing SS jail -Stainless steel perforated sheet is made of 304 stainless steel, high strength, corrosion-resistant, anti-corrosion and rust-proof, durable of thickness 0.9 mm(0.035 inch), can be welded ( for door frae and for drain cover etc. work)

Providing and fixing 10" PVC pipe including all accessories (like Bend, elbow, tees and laying in slope as required.)

Providing and fixing aluminum work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminum sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminum snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, paneling and dash fasteners to be paid for separately) :For fixed portion Powder coated aluminum (minimum thickness of powder coating 50 micron)

removing of existing glass doors including fittings (spider fittings if any) & refixing the existing glass door as per requirment or shifting to store( lead of 1.5km )

Providing, supplying and fixing internal metal fire rated doors (double/ single leaf) of approved equivalent make with Fire Resistant 120 minutes rating as per manufacturers specifications and similar to the prototype tested by CBRI, Roorkee & certificate issued thereof (as per IS:3614 Part-2, 1992) with overall size as per site requirement. Door frames are made with 1.6mm thick galvanised steel sheet pressed to double rebate profile of size 143x57mm. Door shutters are made with 1.2mm thick galvanised steel sheet pressed formed to provide fully flush double skin panel shall be not less than 46mm thick with lock seam joints at style edges. The internal construction of panel shall be filled with insulating mineral wool with reinforcement at top, bottom and stile surrounds.The door shutters shall be provided with provision for vision panel of required size(as per Architectural drawings) with 6 mm thick clear toughened Boro Silicate glass of Pyran or Scot make to give120 minutes fire rating including vision panel glass shall The item also include provision for required iron mongery, shutter and frame shall be finished with zinc phosphate For double leaf door including concealed lock, H type SS handels (4 nos.), door cloaser and tower bolts etc. as per requirement and direction of Engineer in Charge

Bal Govind Singh

Ashok Choudhary