SPECIAL REPAIR TO HELIPAD HANGER AT AF STATION SINGARSI

Amount

Demolition of cement concrete (unreinforced) in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) complete all as specified.

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

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as directed.

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

Material and labour for 40 mm thick PCC 1:2:4, type B1 using 20 mm graded crushed stone aggregates as in floors finished the surfaces even and fair complete all as specified.

Material and labour for wearproof topping as specified (incorporating an approved metallic floor hardner), laid on concrete floors and pavings, and finished even and smooth (including metallic hardner) finished the surface even and smooth without using extra cement complete all as specified. Note: (a) Metalic hardener is included in the quoted rate.

M&L for preparation of surface and applying 3mm thick Epoxy flooring (2mm thick screed _____ Nito flor EU5, 1mm topping with Nitoflor SL 1000) over a coat of primer (primed with Nitoprime 25) or equivalent of make FOSROC complete all as per manufacturer's instruction.

Material and labour for 75 mm thick PCC 1:3:6, type C2 using 40 mm graded crushed stone aggregates as in plinth protection laid to slope 1:12 and finished the surface even and smooth without using extra cement complete all as specified.

Material and labour for plain cement concrete 1:4:8 type D2 using 40 mm graded crushed stone aggregates as in sub base of foundation, filling and mass concrete complete all as specified.

Material and labour for 25 mm thick prepolish chequered cement concrete tiles and area of each tile shall be 30 cm x 30 cm, set, jointed and pointed in neat cement slurry in floors with grey cement or colour pigment to match and laid over 20 mm thick screed bed in cement mortar 1:4 complete all as specified.

Material and labour for machine cut kota stone slab 20-25mm thick in riser of steps, skirting, dado and pillar laid over cement screed and jointed and pointed in neat cement slurry in floors with grey cement or colour pigment to match and laid over 20 mm thick screed bed in cement mortar 1:4 complete all as specified.

Taking down chowkhats or frame with shutters (without taking off shutters from frame) each not exceeding 1.50 Sqm each. Including hold fasts and PCC block all as specified.

Taking down chowkhats or frame with shutters (without taking off shutters from frame) each exceeding 1.50 Sqm but not exceeding 4.00 Sqm each. Including hold fasts and PCC block all as specified.

Supply and fix steel windows with side hung shutters including box type hinges with steel handle, and 2 nos of 150 mm long steel tower bolts and steel peg stay, complete with glazing bars, dovetailed or welded, including locking arrangements complete all as specified.

Supply and fix steel ventilator with top hung shutter including hinges, steel peg stay, complete all as specified.

Supply and fix Pressed steel frames of sizes 165 mm x 60 mm made of 1.25 mm thick cold rolled mild steel sheet for doors with one or more rebates including necessary PCC work as in back filling, hold fast including hinges (100/50 mm stainless steel), lock strike plate, shock absorber, 20 mm dia 60 mm long MS conduit for housing of a drop bolt, treating of internal surfaces of chowkhats with coal tar or black bituminous paint including hinges, hold fast/ lugs etc., and necessary mild steel work to fixed the frame into the hold fast complete all as specified.

Material and labour for 35 mm thick second class hardwood plain framed, panelled shutter (two panel) with lock rail and panel of 9 mm BWP.commercial ply or 12 mm veneered particle board with commercial veneering on both faces. The size of rail and stile as per IS : 1003 (Part I), kiln seasoned and chemically pressure treated complete all as specified.

Supply and fix 35 mm thick second class hardwood glazed and skeleton shutters, open rebated and prepared to receive glass, gauze, etc. divided into squares, with plain, chamfered or rounded, mitred and rebated sash bars,. fitted with cut and mitred beads for securing glass, etc.; sizes of members of shutters as specified in SSR Part I, Section 8, clause 8.24 (a); supplied and fitted to chowkats complete all as specified.

Supply and fix 3 mm thick sheet glass ,ordinary quality and glazing with oil putty in square not exceeding 0.5 sqm in each pane complete all as specified. Make: SAINT GOBAIN GLASS / MODIGUARD / HINDUSTHAN PILKINGTON

Supply and fix stainless steel wire cloth. 0.36 mm nominal dia of wire and average width of aperture 1.00mm and fixed with stainless steel wire staples complete all as specified.

Material and labour for for suspended false ceiling using grid 180 GSM (exposed ceiling suspension system ) of grid size 605 mm x 605 mm with main runner 38 mm x 24 mm and wall angle 24 mm x 24 mm using 4 mm thick High Pressure steel Non Asbestos Fibre Cement decorative Board in a grid of powder coated GI system duly suspended with 4 mm dia GI bar hanger fixed with steel dash fasteners or iron purlin from the roof with adjustment clip providing positions for light fixtures, air conditioning diffuser and ducts ,sprinkler ,smoke detectors etc. The main runners to be secured to structural soffits by hanger @ 1210 mm maximum c/c. the last hanger at the end of each main runner should not be placed at more than 450 mm from the adjacent wall, Flush fitting 1210 mm cross tee to be interlocked between main runners @ 605 mm c/c,so as to form 600 mm x 600 mm grid complete all as specified . Make: Everest/ Lafarge/ Armstrong

Supply and fix Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet camouflaged pattern 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 washers complete all as specified.

Supply and fix Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet camouflaged pattern 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall or Eaves board, fixed with self tapping screws including washers complete all as specified.

Supply and fix framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging; also fastening and fixing confirming to Fe 410 -W (Gde E- 250) quality A complete all as specified.

M&L 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 confirming to Fe 410 -W (Gde E- 250) quality A etc. complete all as specified.

Supply and fix rolled sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates conforming to Fe-410W (Gde-E- 250) quality- A complete all as specified.

Supply and fix hand rails, half round or other steel 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.

Supply and fix 5 to 10 mm dia mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, not exceeding 5 cm long complete all as specified.

S&F in repair (Opening screw & Refixing same) of screw bolts of any shape and size and in any position (vertical/ Horizontal) in hanger k door shutter, including washers etc. complete all as specified. (Note: Nut bolt will be paid seperately under respective item here-in-after where ever replacement of nuts and bolts are required.

S&F in repair top wheel made up of taplon/ cast iron wheel, including ball bearings 02 Nos crclips, 01 Nos shaft of dia 25mmx120mm long or size as per required at site, including necessary welding, drilling and other fittings etc. all complete and all as specified and as directed.

S&F in repair ball bearing roller of make SKF of size 100x60mm, or size as per site requirement complete all as specified.

Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc all as directed by Engineer-In-Charge.

Material and labour for 15 mm thick rendering in cement mortar 1:6 on fair faces of brick wall or concrete surfaces, finished the surfaces even and smooth without using extra cement complete all as specified.

Material and labour for 20 mm thick rendering in cement mortar 1:4 in two layers (12 mm +8 mm) on external faces of brick wall or concrete surfaces, finished the surfaces even and smooth without using extra cement with using approved LWPC on second layer (8 mm) as per manufacturer instruction complete all as specified. Note: LWPC shall be measured and paid including this item

Supply only liquid water proofing compound as per manufacturer instruction.

Material and labour for preparation of old plastered surfaces of wall and applying two coats of distemper oil emulsion complete all as specified and as directed.

Material and labour for preparation of new plastered surfaces of wall and applying two coats of distemper oil emulsion complete all as specified and as directed.

Material and labour for preparation of old wall surfaces and applying one coat of acrylic exterior water proof emulsion paint of camouflage shade over a coat of exterior primer complete all as specified.

Material and labour for preparation of new wall surfaces and applying two coats of acrylic exterior water proof emulsion paint of camouflage shade over a coat of exterior primer complete all as specified.

Cutting holes in stone walls in cement mortar for inserting holdfasts and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 Type B1 using 20 mm graded crushed stone aggregates as required complete all as specified.

Supply and fix 150 mm extruded aluminium alloy handles, fabricated type, anodised complete all as specified.

Supply and fix 100 mm long stainless steel, Butt hinges, complete all as specified.

Supply and fix 300 mm long aluminium alloy, anodised, sliding door bolt with hasp, staple (bolt type) and fixing clips of sheet, cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast-aluminium alloy and fixed complete all as specified.

Supply and fix 150 mm long aluminium anodised barrel tower bolts of extruded section all as specified.

Material and labour for 4 mm thick asbestos cement plain building boards, fixed to timber framework with screws complete all as specified.

Fixing only 4 mm thick asbestos cement plain building boards, fixed to timber framework with screws complete all as specified.

Material and labour for old wood or wood base materials of any description, over 10 cm width or girth and applying two coats of synthetic enamel paint complete all as specified.

Material and labour for prepration new or previously untreated wood or wood base materials of any description, over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer complete all as specified.

Material and labour for preparation of new and previously untreated steel or iron surfaces of any description, not otherwise described not exceeding 10 cm width or girth and applying two coats of synthetic enamel paints over one coat of red oxide primer all as specified.

Material and labour for old steel or iron surfaces of any description, not otherwise described exceeding 10 cm width or girth and applying one coat of synthetic enamel paint all as specified.

Material and labour for point wiring (surface type) with 1.5 Sqmm PVC insulated (FRLSH) unsheathed copper cable multistranded conductor 1100 volts grade controlled by one way switch including 1.5 sqmm PVC (FRLSH) insulated unsheathed copper cable multistrand conductor 1100 volts grade for continuity earth wire connected to common earth dolly drawn through and including PVC casing caping (heavy duty) with all accessories and sunk cast pressed steel terminal box made out of MS sheet of 1.6 mm thick for mounting of fittings like switch, socket and fan regulator with 3 mm thick hylum laminated/bakalite sheet cover complete all as specified for one light point. Note:- (a) Red coloured cable shall be used for live connection, black coloured cable shall be used for neutral connection and green coloured cable shall be used for earthing. Separate cable for earthing and neutral to be used for each individual circuit from the distribution board. (b) Quoted rates shall be deemed for 'N' casing and capping (heavy duty) and box of suitable module. (c) The Payment shall only be allowed after production of original GST defaced purchase vouchers by Engr- In- Charge Make: Havells(ISI Marked)/ Finolex (ISI Marked)/ Nicco (ISI Marked)/ Polycab (ISI Marked)

All as per Item No 100 here in above but for 5 pin socket outlet 6 Amp socket point (Independent board) Make: Havells(ISI Marked)/ Plaza(ISI Marked)/ KEI(ISI Marked)

All as per Item No 100 here in above but for one 5 pin socket outlet 6 Amp socket point (same board) Make: Havells(ISI Marked)/ Plaza(ISI Marked)/ KEI(ISI Marked)

All as per item No.100 above but with stranded copper conductor 2.5 Sq mm (nominal area), two single core, PVC insulated and unsheathed cable 1100 Volt grade ISI-694 marked for 5 pin, 16 Amp socket outlet, independent, including PVC insulated stranded copper conductor 1.5 Sqmm (nominal area) single core as earth continuity conductor to common earth and connecting to earth dolly complete all as specified. Make: Havells(ISI Marked)/ Plaza(ISI Marked)/ KEI(ISI Marked)

Supply and fix as in repairs Switch piano, flush type single pole one way 6 Amps 240V. Make: Havells/ Legrand/ Schnieder/ L&T

Supply and fix switch socket combination, 2 in 1, 5 pin 6 Amps and 16 Amps 240 V ,flush type. Make: Havells/ Legrand/ Schnieder/ L&T

Supply and fix switch socket combination, 2 in 1, 5 pin 6 Amps 240 V ,flush type. Make: Havells/ Legrand/ Schnieder/ L&T

Supply and fix Socket outlet 2 in 1, 3 pin, 6A complete all as specified. Make: Havells/ Legrand/ Schnieder/ L&T

Supply and fix ceiling rose surface baklite with three terminals 240 V. Make: Havells/Legrand/Schneider

S&F for 36W (2'X2'), LED Recessed full lit luminarie with glare free uniform illumination with longer life and less maintenance, Environmental friendly, new generation, aesthetically designed, ultra modern with high brightness SMD LED lamp as light source, suitable for Armstrong/Grid ceiling etc pre-wired complete with fixture all as specified and directed after taking down & directed by Engr-in-Charge. Make: Philips/ Havells/ Crompton Note: (a) LM-79 and LM-80 certificate from NABL accredited Lab shall be submitted to the Engineer-In-Charge for LED light fittings (b) Warranty certificate shall be submitted for LED light fitting as per standered format for minimum 50000 Hrs to Engineer-In-Charge (c) LED light fitting and drivers shall be of same make.

Supply and fix air circulator fans 5 star rating, 230 volts single phase oscillating 150 mm sweep suitable for wall mounting. Make:Havells(ISI Marked)/ Usha(ISI Marked)/ Orient Bell (ISI Marked)

Supply and fixing as in repairs LED flood light 70 watt 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp complete all as specified. Make: Philips/ Havells/ Crompton Note: (a) LM-79 and LM-80 certificate from NABL accredited Lab shall be submitted to the Engineer-In-Charge for LED light fittings (b) Warranty certificate shall be submitted for LED light fitting as per standered format for minimum 50000 Hrs to Engineer-In-Charge (c) LED light fitting and drivers shall be of same make.

Supply and fix PVC insulated, PVC seathed cable galvanised steel strip or wire armoured, electric control cables (heavyduty) with stranded copper conductor, of size 2.5 sqmm 3 core. Make: Havells(ISI Marked)/ Polycab(ISI Marked)/ Finolex(ISI Marked)

Material and labour for earthing with galvanised steel earth plate electrode 60 cm X 60 cm X 6 mm thick burried directly in ground (earth pit not less than 2.25 mtr below ground level) with top edge of the plate not less than 1.5 mtr below ground level connected to 25 mm x 4 mm thick GI strip protected by 40 mm bore light grade galvanised iron pipe and other end connected to test point as directed including funnel with wire mesh and watering pipe 20 mm bore medium grade galvanised iron pipe with charcoal and common salt in alternaterlayers of 15 cm thickness all around the GI plate electrode with concrete pit in PCC 1:3:6 type C-1 with cast iron frame including cast iron cover10mm thick hinged to CI frame and 8mm MS rod for handle, necessary excavation and earth wok in hard/dense soil and disposal of spoil to a distance n exc 50 m and necessary testing complete all as shown in electrical plate No 3 of SSR part-I all as specified. Note: (a)The earthing pit should be provided with proper earth pit and pit cover. Pit cover should be painted with synthetic enamel paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per colour code followed in AF station. (b) Excavation/earthwork is deemed to be included in the quoted rate.

Dismantling of MS works/structural steel works including hanger doors, gate, framed truss, assembling rolling, bottom wheel and top guide rail moving assembling etc. of any description not otherwise provided for to carry out necessary repair and refixing the same in same positionafter necessary repaircomplete all as specified and as directed. (Replacement, if any required at site shall be measured under respective item) Note: (i) Removing/dismantling of the hanger door shall be done in such a way that rest of hanger structure and flooring shall be intact and safe. Any disturbance/deformity occured in hanger , structure and flooring shall be contractor's liability and contractor will have to make good without any extra cost to the Dept. (ii) Suitable support and scaffolding etc. to the framed truss and structureto be provided by the contractor during the execution of the work at his own cost.

M/S MBS TRADING CO

M/S SINGH ENTERPRISE

M/S AMARNATH AGARWALLA

M/S Subhadip Enterprise

M/S ASHA ENTERPRISE

M/S New Builders Corporation

SHARMA ENTERPRISE