SPECIAL REPAIR TO ROOF SHEET OF BLDG NO. NP-07, NP-08/09A, NP-11A AND NP-13 AT KANCHRAPARA UNDER GE BARRACKPORE

Amount

PART-I Taking down cement plaster of any description on brick or stone or concrete surface of wall etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

Demolition of brick work or stone/boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillar etc but excluding ashlars facing dressed stonework & precast concrete articles complete all as specified and directed.

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

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

Dismantling plain or corrugated steel sheeting, any gauge, thickness including Nainital or similar pattern roof covering complete etc all as specified and directed.

Dismantling boarding, any description, fixed in any position with nails complete all as specified and directed.

Dismantling timber scantlings (framed work) 40 sq.cm and over in section, in any position complete all as specified and directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

S&F of pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet of 0.50mm thick of any colour as approved by GE 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 of pre-painted galvalume aluminium zinc coating GI based plain steel sheet of 0.50mm thick of any colour as approved by GE having tensile strength of 550 Mpa as in ridge / wall/cladding, fixed with self tapping screws complete all as specified and directed.

S&F of false ceiling with exposed metal (PPGI) framework/ “Tee” Grid providing and fixing of suspended Tee grid false ceiling using “T” Grid System – powder coated GI (PPGI) exposed grid false ceiling suspension system in grid size 600mm x 600mm with main runner 32 x 24mm x 0.3mm thick, cross tee 26mm x 24mm x 0.3mm thick and wall angle 24mm x 24mm x 0.40mm thick using 4mm thick non asbestos fibre cement board (Make: Everest, type/pattern -oceanic or equivalent of Armstrong/Charminar) of size 595 x 595mm, an asbestos Free fibre cement board manufacture using high Pressure System Curing technology. T grid Framing is suspended using 4mm GI/MS bar hanger fixed with steel dash fasteners or iron purlin from the roof with adjustment clip, also providing provisions for light fixtures, air conditioning diffusers and ducts, sprinklers, smoke detectors etc. The main runners to be secured to structural soffit by hanger @ 1220mm maximum c/c. The last hanger at the end of each main runner should not be placed at not more that 300mm from the adjacent wall. 1220mm/600mm Cross Tee to be interlocked between main runners @ 600mm c/c, so as to from 600mm x 600mm or 1200mm x 600mm grid, confirming IS 14862 & type B category III of ISO 8336, tested as per AS 1530 part – 3 & B. S- 476 part 4,5,6,7 & 8 should be placed in Grid module to form complete all as specified and directed.

M&L for brick work with sub class 'B' bricks locally available best quality straight or curved on plan exceeding 6m mean radius, built in cement mortar (1:6) complete all as specified and directed.

S&F of second class hard wood in scantling, clean swan as in frame work, fixed with nails complete all as specified and directed.

M&L for 20 mm thick 2nd class hardwood wooden boarding plained at one side with butt joints and fixed complete in position as in eaves board etc complete all as specified and directed.

S&F of rolled mild steel angle iron roof trusses (framed) and purlins, rafters crane gantries, rails, heavy brackets etc including distance pieces, cleats, angle, tee etc including necessary cutting , welding etc complete Fe-410W (Gde E-250) quality 'A' complete all as specified and directed.

M&L for plain cement concrete (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) as in coping, bed plates, fixing hold fast including necessary form work complete all as specified and directed.

M&L for rendering 15mm thick on fair face of brick works or concrete surfaces of walls with cement mortar (1:4) mixing with mixed with WPC @200ml per 50 Kg of cement or as per manufacturer's instructions, finished the surfaces even & smooth without using extra cement complete all as specified and directed. (Note : WPC will be measured and paid separately)

Supply only integral water proofing compound liquid, ISI marked complete all as specified and directed.

M&L for applying one coat of creosote oil on new or old wood surfaces (1st grade quality) after preparation of new or old wooden surfaces of any description not exceeding 10 cm width or girth complete all as specified and directed.

M&L for applying two coats of oil emulsion distemper over a coat ofchalk whitening primer after preparation of newly plastered surfaces of walls complete all as specified and directed.

M&L for applying two coats of cement based paint over a coat of alkali resistance primer on newly plastered surface of walls including preparation of surface complete all as specified and directed.

M&L for applying two coats of synthetic enamel paint (1st grade quality) over and including a coat of pink primer after preparation of new wooden surfaces of any description not exceeding 10 cm width or girth complete all as specified and directed.

M&L for applying two coats of synthetic enamel paint (1st grade quality) over a coat of red oxide primer after preparation of new steel surfaces of any description over 10 cm girth or width complete all as specified and directed.

PART-II (ELECTRICAL WORK) Taking down carefully aluminium point wiring (light, fan, bell, socket or power) complete, including fixtures and fittings such as switches, ceiling roses, holders, regulators, sockets, light fittings and including making good the disturbed surfaces to match with the existing surfaces by applying white/ colour wash/distemper over applying of putty for smooth finish surface complete all as specified and directed.

M&L for point wiring complete with 1.5 sqmm PVC insulated, FR-LSH type, ISI marked, conforming to IS-694/1990 unsheathed, multistranded, single core, copper conductor cable 1100 volts grade colour code cables drawn through and including PVC Conduit 20 mm dia medium grade (MMS) and including cutting, chasing work at any height and all accessories concealed in walls / roofs / floors / ceiling etc. flush mounting MS box with top, bottom, side/back wall knockout for conduit entry from any direction made out of 1.60mm thick and 50mm depth suitable for fixing of modular top cover , blanking plate as per numbers of switch modules, modular switches, sockets, fan regulators, red colour indicator, blank plates etc as approved coloures modular accessories of suitable modules and including 1.5 Sqmm PVC insulated multistranded FR-LSH type unsheathed single core cable with copper conductor cable as earth continuity conductor and connecting to common earth dolly and including making good the disturbed surfaces to match with existing surfaces by applying white/colour wash/distemper as applicable after applying of putty for smooth finish surface complete all as specified and directed for the following:- (Note:- (i) All necessary accessories such as MS box, screws, washers etc are to be used of same make/brand only in relevant items. (ii) Cutting & chasing of wall for point wiring at any height shall be done and cost of the same deemed to be including with quoted rate.)

One light point controlled by one switch.

One ceiling fan/exhaust fan point controlled by one switch.

S&F of switch piano flush button single pole, one way, 5/6 amp, 240 volts, AC, ISI marked complete all as specified and directed.

S&F of stepped type (0-4/5 step) electronic fan regulator 240 Volts, 100 Watts to 120 watts single pole, ISI marked including connecting, testing complete all as specified and directed.

S&F of ceiling rose , surface bakelite 65X50mm, three terminal, PVC/polycarbonate body complete all as specified and directed.

S&F of decorative box type 20 -22watt LED fittings with and including LED T-8 tube light 20 watt of fire retardant engineering grade complete with all accessories internally pre-wired, connecting up with and including three core sheathed flexible copper conductor cable of required size and including mounted on PVC/Wooden round/square blocks-02 Nos complete all as specified and directed. (Make - Havells Cat No REGALBATTENT8UPTO1 x 22WDSBSWH & Tube cat No. PHOTONULTRAE2.01213T8SSTL20WLED865SPC/Philips Cat No. TMC501P1XT LED 22WP 3241 for batten and Essential LED TUBE 20W B2B865T8 for tube/SURYA Cat No. SUB118T8LED for batten and SLE TL DS 20 PC REFORM (NANO) for tube or equivalent model/Cat No of make as per Appx 'D' as mentioned in PS here-in-after)

Fixing only light fittings of any type and any capacity complete all as specified and directed. (Note:- Serviceable light fittings shall be obtained from item No.24.00 here-in-before)

S&F of recess mounting 2'x2' LED 35/36 Watt light fittings with LED lamp and required driver, slim in class LED ceiling panel with best in class aesthetic white powder coated frame blended seamlessly with ceiling layout modular ceiling grid and also can be suspended with provided kit and necessary electric connection with and including required size three coat sheathed flexible copper conductor cable from looping box to light fitting and testing complete all as specified and directed. (Make: Crompton Cat No. LCTLRNE-36-F0-CDL/Havells Cat No. VENUSNEOHE2x2R36WLED857PIRSENSOR/ Philips Cat No. RC 383B LED 36S-6500 PSU OD WH PIR/SURYA Cat No. SLE DS 3622R ASTRUM or equivalent model/Cat No of make as per Appx 'D' as mentioned in PS here-in-after)

M&L for disconnecting electric supply, taking down fan, cealing cable ends, dismanting blades carefully after unscrewing nuts and bolts of ceiling fan any sweep from existing position and bringing to AGE E/M store yard for cleaning all dust, oiling, greasing complete and hanging the same in original position including connecting up including provision of cable from ceiling rose or connector to fan complete all as specified and directed.

INDUSTRIAL CONSTRUCTION

R.S. COMPANY

M/S. D. K. SINGHA

DE CONSTRUCTION CO

M/S MANOJ KUMAR BAL