REPAIR TO ROOF SHEET AND ROOF TREATMENT IN DOMESTIC AREA,INTERNAL PERIODICAL AND ALLIED WORKS IN TECHNICAL AREA AND SMART PERIODICAL AND MISCELLANEOUS WORKS IN BUILDING No. P-460 IN DOMESTIC AREA AT AF STN TEZPUR UNDER GE (AF) TEZPUR.

Amount

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out in soft/loose soil, complete all as specified and directed.

Removing excavated soils to a distance not exceeding 50 Metres and depositing where directed at a level n. exc. 1.5 M above the starting point complete all as specified and directed.

Materials and Labour for plain cement concrete (1:2:4) type B0 using 12.5 mm graded aggregate in roof kerbs or mud stops, rounded or chamfered on edges including demolition of existing cement concrete (un reinforced) of any description and in any position not otherwise specifically provided for,complete all as specified and directed.

Materials and Labour for plain cement concrete (1:2:4) type B1 using 20 mm graded aggregate in lintels up to 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings up to 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed including necessary from work complete all as specified and directed.

Supply only integral water proofing compound all as specified

Materials and Labour for brick work with Sub Class ‘B’ bricks straight or curved on plan exceeding 6M mean radius built in cement mortar (1:4), including demolition of existing brickwork or stone/boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles,complete all as specified and directed.

Materials and Labour for second class hard wood in scantlings,clean sawn and fixed including dismantling existing timber scantlings 40 sq. cm and over in section, in any position,unframed work,complete all as specified and directed.

Materials and Labour for second class hard wood plain fillets,square, rectangular or triangular in section, bullnosed,splayed,chamfered or rounded on one edge or face,sectional area exceeding 6 but not exceeding 13 sq.cm,wrought,secured with screws,complete all as specified and directed.

Materials and Labour for second class hard wood plain fillets rectangular or triangular in section, clean sawn secured with nails, sectional area exc 13 Sqcm but n.exc 25 Sqcm including dismanteling existing timber rails, posts, rafters,purlins, etc. under 40 sq. cm in section,unframed,complete all as specified and directed.

Taking down chowkhats or frame with shutters (without taking off shutters from the frame) not exc. 1.5 Sq. M each, complete all as directed.

Supply and Fixing, factory made uPVC white colour Sliding window, Three track,area not exceeding 2.00 sqm each,made of extruded profiles with wall thickness of 2.3mm (+ -0.2mm). Window profile with hollow section with multi chamber. Frame (88mm x 52mm), sliding sash (42mm x 67mm). Sliding mesh Sash (42mm x 57mm) Sliding interlock (One vertical length in each shutters) (45.5mm x 28mm),Glazing bead (24.5mm x 16mm) will be miterd cut and fusion welded at all corners, including drilling of holes for fixing hardware and drainage of water etc., making arrangement for fixing of hardware,EPDM gasket, 1.2+ -0.2mm thick galvanised steel Frame (30mmx18mm) 2 nos, sliding sash (30mm x 18mm), sliding mesh sash (26mm x 10mm) profile to be inserted in required profile, frame will be fixed to the wall with 8mm x 100mm long fasteners, Hardware [Touch Lock of zinc alloyed (white powder coated), steel roller system. Stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and required accessories, complete all as specified and directed. (Note: The unit rate quoted by contractor excludes cost of glass and includes all other connected accessories. Net Opening will be measured for payment purpose.)

Supply and fixing factory made uPVC white colour fixed glazed window/ ventilator made of (small series) frame 47 x 50 mm mullion 47 x 68 mm both having wall thickness of 1.9 ± 0.2 mm and single glazing bead of appropriate dimension (Area upto 0.75 sqm.) comprising of uPVC multi-chambered frame and mullion (where ever required) extruded profiles duly reinforced with 1.60 ± 0.2 mm thick galvanized mild steel section made from roll forming process of required length (shape & size according to uPVC profile), uPVC extruded glazing beads of appropriate dimension, EPDM gasket, G.I. fasteners 100 x 8 mm size for fixing frame to finished wall, plastic packers,plastic caps and necessary stainless steel screws etc.Profile of frame shall be mitred cut and fusion welded at all corners, mullion (if required) shall be also fusion welded including drilling of holes for fixing hardware's and drainage of water etc. After fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealant over backer rod of required size and of approved quality, all complete as per approved drawing,complete all as specified and directed. Note: For uPVC frame, sash and mullion extruded profiles minus 5% tolerance in dimension i.e. in depth & width of profile shall be acceptable. Variation in profile dimension in higher side shall be accepted but no extra payment on this account shall be made.Sheet Glass will be measured paid separately.

Supply and Fix,anodised aluminium grill (anodised transparent or dyed to required shade according to IS: 1868 with minimum anodic coating of grade AC 15) of approved design/pattern, with approved standard section and fixed to the existing window frame with C.P. brass/ stainless steel screws @ 200 mm centre to centre, including cutting the grill to proper opening size for fixing and operation of handles and fixing approved anodised aluminium standard section around the opening,all complete as per requirement,complete all as specified and directed.

Materials and Labour for mild steel works, conforming to Fe 290, Grade E-165 , in bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required; hooks (stay), heavy, for large gates; hook and pintle hinges; large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles, complete all as specified and directed.

Materials and Labour for mild steel works,hand rails, half round or other stock section or core for wooden hand-rail straight portion,drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts;posts and struts in fencing including cutting tops to shape as directed, drilling holes,notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc.,and similar work conforming to Fe-290 Gde E-165, complete all as specified and directed.

Materials and Labour for,1.25 mm thick mild steel, plain, black sheet in wall cladding,steel gates and similar work, cut to size, holes punched; including round headed screws,clout nails or rivets and fixed to wood or steel raming with plain 40 mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required including dismantling of existing steel sheeting,any gauge,thickness,complete all as specified and directed.

Materials and Labour for,welded steel wire fabric,weight not exceeding 4.00 Kg/SqM,supplied and fixed complete to wood or steel members including dismantling existing expanded metal, any thickness or mesh weight not exceeding 4.00 Kg/SqM, fixed with steel or wood fillets,if any, complete all as specified and directed.

Material and Labour for pre-painted, galvalume aluminium zinc coating GI based corrugated steel sheet, 0.50 mm thick of any colour, having tensile strength of 550 Mpa, as in roof covering/cladding to wall, fixed with self-tapping screws, including dismantling of existing plain or corrugated steel sheeting,any gauge, thickness, including Nainital or similar pattern roof coverings,complete all as specified and directed.

Material and Labour for pre-painted, galvalume aluminium zinc coating GI based plain steel sheet, 0.50 mm 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. Notes:- (i) The existing ridge, valley, cladding to wall and gutters etc. sheets are deemed to be dismantled along with the roofing sheets. (ii) Old unserviceable sheets will be sold to the Contractor under relevant item in Schedule of Credit.

Materials and Labour for,4 mm thick, asbestos cement plain building boards, fixed to timber framework with screws in ceiling flat or sloping including dismantling existing wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/blankets, any thickness, including cover fillets,complete all as specified and directed.

Roughening surfaces of old concrete floor/plinth protection by picking, sweeping clean and washing down with water to remove dust, etc., brushing neat cement slurry with 3.0 kg of cement per sq. metre and providing 50 mm thick plain cement concrete (1:3:6) type C1 using 20 mm graded aggregates as in floor/plinth protection including finishing surface even and smooth without using extra cement,complete all as specified and directed.

Materials and Labour for, bitumastic gola, with 80/25 bitumen and coarse sand mixture 1:3 by weight,10 mm wide and 50 mm depth as in joint filling for plinth protection,complete all as specified and directed.

Materials and Labour for machine cut Kota stone slab flooring 20-25 mm thick laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing over and including 15 mm thick screed bed or bedding layer of cement mortar (1:6) including dismantling existing stone slabs and tiles of any description or thickness, laid,bedded in any mortar,complete all as specified and directed.

Materials and Labour for machine cut Kota stone slab 20-25 mm thick in riser of steps, skirting, dado and pillar laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing over and including 10 mm thick screed bed or bedding layer of cement mortar (1:3) including dismantling existing stone slabs and tiles of any description or thickness, laid,bedded in any mortar,complete all as specified and directed.

Materials and Labour for 20 mm thick granite (of any type) work (table rubbed and polished) in steps, jambs, pillars, window-cills, cooking platforms and like in cement mortar (1:4) including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite over and including 20 mm thick screed bed or bedding layer of cement mortar (1:6) and including dismantling existing stone slabs and tiles of any description or thickness,laid,bedded in any mortar, complete all as specified and directed.

Materials and Labour for,cutting out cracks to V-section in existing roofs or terracing, cleaning out and filling solidly with a hot mixture of bitumen and clean dry sand 1:1 (by weight),complete all as specified and directed.

Demolition of existing cement concrete (un reinforced) in padding of roof slabs,covings of chajjas etc.,roughening surfaces of old concrete roof slab/chajjas by picking, sweeping clean and washing down with water to remove dust, etc.,brushing neat cement slurry with 3.0 kg of cement per sq. metre and rendering 10 mm thick, cement plaster/screed, in cement mortar (1:3) mixed with water proofing compound as per manufactures instructions over and including 25 mm thick plain cement concrete (1:2:4) type B0 using 12.5 mm graded aggregates,complete all as specified and directed.

Roughening surfaces of old concrete roof slab/chajjas by picking, sweeping clean and washing down with water to remove dust, etc.,brushing neat cement slurry with 3.0 kg of cement per sq. metre and rendering 10 mm thick, cement plaster/screed, in cement mortar (1:3) mixed with water proofing compound as per manufactures instructions including provision of water proofing treatment over smooth finished surfaces by application of cold applied bituminous primer as per manufacturer's instructions, providing and laying 3.00 mm thick, plain finish, APP modified bitumenous waterproofing and damp proofing membrane with polyester reinforcement (Non-Woven Polyester Mat), conforming to IS 16532 :2017 (Dimensions and weight of APP membrane polyester as per Table 2 of IS), by forced (torch on) application, with minimum 75 mm overlap on longitudinal direction and 100 mm overlap on the transverse direction, complete all as specified and directed.

Material and Labour for rendering 5 mm thick cement plaster in cement mortar (1:3) on concrete surfaces in ceiling and finishing surface even and smooth without using extra cement including applying two coats of white wash after preparation of surface and including taking down cement plaster from brick or concrete surfaces of any description including racking out joints,hacking for key, scrubbing down with water etc.,complete all as specified and directed.

Materials and Labour for rendering 10 mm thick, cement plaster, in cement mortar (1:6) on surface other than fair face of brickwork in walls and finishing surface even and smooth without using extra cement,including taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc.,complete all as specified and directed.

Materials and Labour for rendering 15 mm thick, cement plaster, in cement mortar (1:4) on fair faces of brickwork or concrete surfaces in walls,complete all as specified and directed.

Materials and Labour for rendering 5 mm thick, cement plaster, in cement mortar (1:4) mixed with water proofing compound as per manufacture's instructions over and including 10mm thick backing coat in cement mortar (1:4) on fair faces of brick work or concrete surface in walls,including taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc.,complete all as specified and directed.

Material and Labour for preparing old surfaces plastered or unplastered and applying one coat of white wash,on walls, complete all as specified and directed.

Material and Labour for preparing old surfaces plastered or unplastered and applying one coat of white wash,on ceiling, complete all as specified and directed.

Material and Labour for washing,rubbing down and stopping of distempered and painted surfaces on walls and applying one coat of distemper oil emulsion,complete all as specified and directed.

Material and Labour for washing,rubbing down and stopping of distempered and painted surfaces in ceiling and applying one coat of distemper oil emulsion,complete all as specified and directed.

Materials and Labour for,complete removal of existing treatment on walls and applying two coats of distemper oil emulsion over a coat of primer, complete all as specified and directed.

Materials and Labour for,complete removal of existing treatment on walls,applying 1mm thick wall care putty,priming surfaces with alkali resistant priming paint and applying two coats of distemper oil emulsion, complete all as specified and directed.

Material and Labour for washing,rubbing down and stopping of distempered and painted surfaces and applying one coat of plastic emulsion paint,on walls, complete all as specified and directed.

Materials and Labour for,complete removal of existing treatment on walls, applying 1mm thick wall care putty and distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gms/litre, of approved manufacturer,of required shade and colour complete,as per manufacturer's specifications,two or more coats,over and including priming coat of interior primer as per manufacturer's specifications,complete all as specified and directed. Notes:- (i) The work shall be exectuted through authorised applicator of paint manufacturer(s) and shall be got approved by GE before commencement of the work. (ii) Preparation of surface shall be done with jet washer and sander machine as per paint manufacturer's specifications and reccommendations. (iii) Application of paint shall be done with spraying machine as per paint manufacturer's specifications and reccommendations. (iv) The Contractor shall furnish guarantee for the distemper oil emulsion paint and shall be responsible for effectiveness of the UV Resistance, Alkali & Fungal Resistance and Dirt Resistance of the painted areas during the guarantee period.

Material and Labour for complete removal of existing treatment over old surfaces on wall and applying two or more coats of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance,dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm,complete all as specified and directed. Notes:- (i) The work shall be exectuted through authorised applicator of paint manufacturer(s) and shall be got approved by GE before commencement of the work. (ii) Preparation of surface shall be done with jet washer and sander machine as per paint manufacturer's specifications and reccommendations. (iii) Application of paint shall be done with spraying machine as per paint manufacturer's specifications and reccommendations. (iv) The Contractor shall furnish guarantee for the exterior acrylic emulsion paint and shall be responsible for effectiveness of the UV Resistance, Alkali & Fungal Resistance and Dirt Resistance of the painted areas during the guarantee period.

Materials and Labour for,4.8 mm thick sheet glass,ordinary quality and glazing in uPVC window shutters in square n exc 0.5 sq. m in each pane,complete all as specified and directed.

Materials and Labour for,5 mm thick figured glass, pin head type and glazing in uPVC ventilator shutters in squares n exc 0.5 sq. m in each pane, complete all as specified and directed.

Material and Labour for applying one coat of synthetic enamel paint (ordinary tint) on old painted wood or wood based surface of any description,over 10 cm in width or girth, not otherwise described, including preparation of surfaces complete all as specified and directed.

Material and Labour for applying one coat of synthetic enamel paint (ordinary tint) on old painted sttel and iron surface of any description,over 10 cm in width or girth, not otherwise described, including preparation of surfaces complete all as specified and directed.

Material and Labour for applying two coats of synthetic enamel paint (ordinary tint) over a coat of red oxide zinc chrome primer on new steel and iron surface of any description,over 10 cm in width or girth, not otherwise described, including preparation of surfaces complete all as specified and directed.

Material and Labour for applying two coats of synthetic enamel paint (ordinary tint) over a coat of pink primer on new or previously untreated wood or wood based surface of any description,over 10 cm in width or girth, not otherwise described, including preparation of surfaces complete all as specified and directed.

Material and Labour for preparation of old painted surface and applying two coats of synthetic enamel paint (ordinary tint) over a coat of pink primer on old painted wood or wood based surface of any description,over 10 cm in width or girth, not otherwise described,complete all as specified and directed. Notes:- (i) The work shall be exectuted through authorised applicator of paint manufacturer(s) and shall be got approved by GE before commencement of the work. (ii) Preparation of surface shall be done with sander machine for complete removal of existing painting as per paint manufacturer's specifications and reccommendations. (iii) Application of paint shall be done with spraying machine as per paint manufacturer's specifications and reccommendations.

Material and Labour for applying two coats of synthetic enamel paint (ordinary tint) over a coat of pink primer on new or previously untreated wood or wood based surface of any description, n exc 10cm width or girth when unconnected with other painting or when painted in a different tint,including preparation of surfaces complete all as specified and directed.

Material and Labour for preparing surfaces of wood and wood based materials,new or old, of any description and girth, not otherwise described and treated with two coats of creosote,complete all as specified and directed.

Taking up or down, steel tubing 15 mm bore, and connection including cleaning for re-fixing and refixing old steel tubing and connections in new or old position (Walls, ceiling,floors, etc.), complete all as directed.

Taking up or down, steel tubing 20mm bore, and connection including cleaning for re-fixing and refixing old steel tubing and connections in new or old position (Walls, ceiling,floors, etc.),complete all as directed.

Taking up or down, steel tubing 25mm bore, and connection including cleaning for re-fixing and refixing old steel tubing and connections in new or old position (Walls, ceiling,floors, etc.),complete all as directed.

Materials and Labour for galvanized steel tubing, medium grade, 15 mm bore with all fittings and fixed complete to walls and ceiling or laid in floor,including taking up or down existing steel tubing ,complete all as specified and directed.

Materials and Labour for galvanized steel tubing, medium grade, 20 mm bore with all fittings and fixed complete to walls and ceiling or laid in floor,including taking up or down existing steel tubing ,complete all as specified and directed.

Materials and Labour for galvanized steel tubing, medium grade, 25 mm bore with all fittings and fixed complete to walls and ceiling or laid in floor,including taking up or down existing steel tubing ,complete all as specified and directed.

Disconnecting existing tanks of capacity exceeding 500 Litres but not exceeding 1000 Litres, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position after cleaning and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc.,complete all as directed.

Material and Labour for 500 litres capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part – I , including provision of ball valves high pressure of PTMT (Minimum weight 210 gms) with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe, 20 mm bore and including dismantling existing water tanks and removing to store, complete all as specified and directed.

Material and Labour for 1000 litres capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part – I,including provision of ball valves high pressure of PTMT (Minimum weight 210 gms) with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe, 20 mm bore and including dismantling existing water tanks and removing to store, complete all as specified and directed.

Supply and Fix in repairs,gun-metal, globe or gate valves,with iron wheel head, screwed both ends for iron pipe 20 mm bore and fixed,complete all as specified and directed.

Supply and Fix in repairs,ball valves high pressure of PTMT (Minimum weight 210 gms) with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe, 20 mm bore,complete all as specified and directed.

SHRI D. C. BISWAS