REPAIR REPLACEMENT OF AC CGI AND PPGI ROOF SHEET FALSE CEILING ROOF TREATMENT FOR VARIOUS UNITS UNDER AGE BR I OF GE BENGDUBI MIL STN

Amount

M&L for PCC 1:2:4, type B-0,(using 12.5mm graded aggregates) as in roof kerbs rounded or chambered on edge complete all as specified and directed.

Supply only integral water proofing compound liquid grade conforming to IS-2645 complete all as specified and directed.

Making good under cills or over arches, lintels and bressummers. including all pinning in cement mortar 1:6 when necessary complete all as specified and directed.

S&F roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc conforming to Fe -410-W(Gde-E-250) quality-A. complete all as specified and directed.

M&L for anodised aluminium snap grid (SIZE-605x605MM) frame work for false ceiling complete all as specified and directed.

S&F of Gl frame work for seamless ceiling comprising of Gl perimeter channnel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to centre/intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with Gl cleat and steel expansion fasteners with and including ceiling section (not exc 1.2 m length) of 0.55 mm thickness having kurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre complete all as specified and directed.

S&F Hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long complete all as specified and directed.

S&F galvanised, corrugated mild steel sheeting of thickness 0.63mm with two corrugation side lap fixed with coach screws and washers in roofs, walls etc with grade of zinc coating 275 complete all as specified and directed.

S&F 0.63 thick plain, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) complete all as specified and directed.

S&F Pre- painted coloured trapezoidal profiled Galvalume/ Zincalume sheet with min thickness 0.50mm TCT confirming to IS - 513(AZ-150 GSM, Al Zn allay metalic coating with 550 Mpa yield stress as per AS-1397) as in roof covering/cladding to wall, fixed with self tapping screws colour exterior coat of silicon modified polyster/BHP x RW paint system 20 micron top coat applied over 5 micron primer and 5 micron polyster back coat applied over 5 micron primer , all fixed with galvanized self drilling self tapping fastner (12-14 x 55 with EPDM seals) complete all as specified and directed.

S&F Pre- painted coloured plain sheet Galvalume/ Zincalume sheet with min thickness 0.50mm TCT confirming to IS - 513(AZ-150 GSM, Al Zn allay metalic coating with 550 Mpa yield stress as per AS-1397) as in roof covering/cladding to wall, fixed with self tapping screws colour exterior coat of silicon modified polyster/BHP x RW paint system 20 micron top coat applied over 5 micron primer and 5 micron polyster back coat applied over 5 micron primer , all fixed with galvanized self drilling self tapping fastner (12-14 x 55 with EPDM seals) complete all as specified and directed.

M&F for 6 mm thick Asbestos cement, corrugated or semi corrugated sheets in roofs fixed with L-type or J-type or cranked hook bolts etc complete all as specified and directed.

M&F for Asbestos cement one piece plain angular ridge 6 mm thick fixed with L-type or J-type or cranked hook bolts etc complete all as specified and directed.

S&F 4 mm thick designed Non asbestos fiber cement building boards, fixed or laid /inserted to timber /GI /Aluminium frame-work with screws as in ceiling complete all as specified and directed.

M&L for providing and fixing 10mm thick plaster of paris ceiling (Gypsum anhydrous) to flat surface over 2nd class soft wood fillets, or metal frame work and reinforced with G.I. wire mesh (Fillets, metal frame work and G.I. wire mesh paid separately)

M&L for two coats of synthetic enamel paint over one coat of red oxide on new steel surfaces of any description over 10cm in width or girth including preparation of surfaces complete all as specified and directed.

Demolition of PCC in roof covering, kerbs, roof kerbs, benching, coved fillets etc including old decayed water proofing treatment of any type 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.

Dismantling plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings incl ridges, hips and valley gutter complete all as specified and directed.

Dimantling of Asbestos cement (corrugated,semi corrugated, etc.) sheets in roof coverings including ridges etc complete all as specified anddirected

Dismantling wall and ceiling board( fiber, pulp, insulation, etc.) or insulation board/slab/ blankets, any thickness, including cover fillets complete all as specified and directed.

M&L for surface preparation by removal of all loose particle to ensure clean, smooth and dry surface and laying 25mm thick PCC type B-0, (1:2:4) using 12.5mm graded stone aggregate, finished even & smooth without using extra cement to cover negative slope into prop with WPC @ 2% weight of cement complete all as specified and directed. Note :- The water proofing compound shall be measured and paid separately under respective item of this schedule.

M&L for preaparation of new surface and apply two coat of oil bound distemer over a coat of primer on ceiling complete all as specified and directed.

M&L for preaparation of new surface ceiling and apply two coat of plastic emulsion paint over a coat of primer over 1mm thick putty complete all as specified and directed.

M&L for painting the concrete surfaces with one coat of bituminous primer @ 0.40 Kg/sqm, conforming to IS : 158, A layer of APP based polymeric membrane, 3 mm thick (min), weighing not less than 3.5 Kg/m2 reinforced with polyster non woven fabric ( weighing not less than 150 gms/ Sqm) over a coat of bitumen @ 1.2 Kg /sqm on primed surface. Application of polymeric membrane shall be by torch application all as per manufacturer instructions finally painted with bitumen @ 1.2 Kg/sqm.Applying two coats of aluminium paint on top surface of APP membrane complete all as per manufacturer instructions, specified and directed. Note :- The water proofing work shall be carried out by the authorised applicator of the make as approved and the same shall also got approved from the Accepting officer before carrying out the work.

M&L for providing and fixing PVC FALSE CEILING consisting of 600x600mm, 5mm (+0.25) thick plain ambossed PVC sheet of 600Kg/Cbm Density manufactured by ISO 9001-2008, certified company, used as panel insert in a frame work made using anodised aluminium T- section of sizes 1"x1" (25x25mm, 19 gauge or 1mm thick) in square pattern of grid sizes of 2'x2'(600x600mm). the aluminium frame work is supported from the ceiling with the help of "J" hook and GI wire/6mm MS rods of require sizes to maintain proper level etc. The aluminium framework is supported on side wall with the use of aluminium L-section of size 1"x1"(25x25mm) angles etc. complete as specified by manufacturer & drawing and directed.

(Note : The Scope of Work contained in 'Sch of Credit' amounting to Rs. 492500.00 (refer Tender Srl Page No 26). The Quoted sum shall be arrived at after deducting the amount of “Sch of Credit” from the total amount of the ‘BoQ’

J T ENTERPRISE

M/S R. K. INDUSTRIES

SRI A B SEN

M/S SANKAR BHATTACHARYA

UNIVERSAL CONSTRUCTION

T K GANGULY

M/S BOSE CONSTRUCTION