SPECIAL REPAIRS TO CERTAIN OMQs AND SMQs AND CERTAIN MINOR WORK AT AIR FORCE STATION KALAIKUNDA UNDER GE (AF) KALAIKUNDA

Amount

Demolition of lime concrete of any description and in any position not otherwise specifically provided for including taking out of old damaged unserviceable tarfelt or membrane of any description and removing of debris from premises and cleaning roof surfaces by brushing etc and washing down with water and removing dirt, dust etc complete to receive roof treatment all as specified and as directed.

Taking out of old unserviceable/damage tarfelt of any description and removing of debris from premises and cleaning roof surfaces by brushing etc and washing down with water and removing dirt, dust etc. complete to receive for roof treatment complete all as specified and as directed.

Dismantling water tanks capacity exceeding 250litres but not exceeding 1000 Litres and removing to store complete all as specified and as directed.

Roughening surfaces of old concrete as in roof /floorby picking, sweeping clean and washing down with water to remove dust and brushing neat cement slurry with 3.0 kg per sqm finished fair and smooth complete all as specified & as directed.

Demolition of brick work or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc. complete all as specified and directed by Engineer in charge.

Refixing in same opening shutters of any description exc 1 sq. m and not exc 2 sq. m each complete all as directed.

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 directed.

Taking up or down 15 mm bore of steel tubing and connections, including cleaning for refixing or removal to store complete all as specified.

Taking up or down 20 mm bore of steel tubing and connections, including cleaning for refixing or removal to store complete all as specified.

Taking down SWR pipes (any size or pattern), including all fittings, 'T', bends,etc., including removal to store for taking credit (measured overall as fixed along the centre line over fittings and accessories), complete all as directed.

Removing plants including roots by dismantling of brickwork/PCC including necessary scaffolding of any type and in any position or location i.e roof , parapet walls near pipes etc and applying acid after removing roots for preventing the re-growth & making good of disturbed portion using PCC 1:2:4 type B0 & 10mm thick cement plaster in CM(1:3), size of disturbed portion not execeeding 150mm X150mm X 200mm 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 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 throating,and roof padding as directed including necessary from work , safety measures and scalfolding at any height complete all as specified and directed.

Supply only Liquid water proofing compound conforming to IS: 2645 - 1975 specification complete all as specified and as directed (Make : CICO No- 1/SIKA/ACCO PROOF).

Materials and Labour for brick work with fly ash Sub Class ‘B’ bricks straight or curved on plan exceeding 6M mean radius built in cement mortar (1:6), complete all as specified and directed.

M & L for brick work with fly ash brick class 'B' bricks, straight or curved on plan to any radius in half brick thick walls built in cement mortar 1:4 complete all as specified and as directed.

Cutting chases in brick walls to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc.; and cutting chases for concealed water tubing or concealed conduit wiring, etc., not exceeding 10 cm girth and making good the same with cement concrete M15 (Nominal Mix) using 12.5 mm nominal size coarse aggregate or cement mortar 1:3 including necessary plaster and pointing in cement mortar 1:3 complete all as specified and as directed.

M&L Cutting holes in to or through brick walls or pcc block masonary walls built in cement mortar or cement lime mortar and stone walls built in lime mortar or walls of cement/lime concrete superficial area exc 150sqm but n.exc 400 sqm making good distrubed portion, ,rendering 15 mm thick plaster in CM (1:4) around jambs of opening, complete all as specified and directed.

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 as directed.

S & F hot rolled low tensile structural steel of grade E165 as per IS 15911: 2010 as in 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 embedding 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 works complete all as specified and as directed.

S & F hot rolled medium and high tensile structural steel of grade E165 as per IS 15911: 2010 as in framed work such as grills, grating, etc., with ends of bars of shouldered and/or riveted, or forged into spikes, framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework water tanks and similar work complete all as specified and directed by Engineer-in-charge.

S & F for rolled mild steel 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, quality confirming to GDE Fe410-W (Gde-E-250) of height up to 18m including necessary arrangments/scaffolding and safety measures complete all as specified and as directed. Note:- The cost of necessary arrangment/scaffolding deemed included in qouted rate.

Supply and Fix, Rolled Mild Steel, Fe 410 W (Grade E- 250) Quality-A, in plates (Plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, including welding without any attachments, of height up to 21m including necessary arrangments/scaffolding and safety measures complete all as specified and as directed. Note:- 1.The cost of necessary arrangement/scalfolding deemed included in qouted rate.2.(Work shall be exectuted though certified welding tradesman as approved by GE 3. weding shall be done in such way no gap to visible after welding.

M&L for Welding in repairs in any length thickness not exceeding 6mm all as specified and as directed

M&L for filling gaps in glass to steel frame with silicon based filling compound for prevent water drops including removing old putty all as specified and as directed

S & F double action concealed type floor springs (hydraulically regulated) made up of minimum 1.25 mm thick aluminium alloy sheet foundation box, main body with stainless steel top cover, governing pivot made of brass, other parts made of mild steel heavy duty complete all as specified and as directed.

S & F for Anodised frame aluminium sections for doors, windows, ventilators, door partition including fabrication of frame and fixing with necessary lugs, cleats, rollers, handles, locking arrangement etc. including all accessories such as glazings clips, and rubber beadings for fixing glass panes in frame complete all as specified. Note : (i) Glass panes will be measured & paid separately . (ii)The quoted rate shall be inclusive of cost of rubber beading however it will be not be weighed and not paid separately. (iii) All other minor details including cost of locking arrangement shall be included in the quoted rate.

S & F for Anodised aluminium window and ventilator shutters, side hung type without sash bars, aluminium sections weighing 0.55 kg/m including necessary joining cleats, glazing clips,rubber packing, anodised aluminium snap beading, screws, anodised aluminium fittings such as peg stays 150mm long (1 no.). hinges type B-21 100mm long (2 no.) suitable handle (1no.) complete all as specified

S & F for Anodised aluminium door shutters, aluminium section weighing 0.55 kg/m including necessary joining cleats,glazing clips, ruber neoprene packing,handles 2 Nos in each door, hinges, anodised aluminum snap beading screws etc. complete all as specified

Glazing with sheet glass 5.5 mm thick ordinary quality in panels of aluminium windows, ventilator, etc. fixed with glazing clips, rubber beading and EDPM gasket in square exceeding 0.5 Sqm in each pan complete all as specified

M & L for 12 mm thick prelaminated particle board, interior grade, prelaminated one side with decorative choice lamination & other side balancing white lamination, fixed with screws to timber frame work complete all as specified and directed.

M&L for collapsible steel gates, top hung,consisting of channel pickets, pivoted flat bars, top and bottom runners, brass handles etc., as specified, erected in position and securing runnerswith holdfasts and brackets, complete all as specified and as directed

M&L for water proofing treatment to RCC roof slab including parapet comprising with the following course of treatment/ specifications from bottom to top:- (a) Applying bituminous primer @ 0.40 ltrs per sqm over prepared surfaces of roof including parapet surfaces confirming to IS : 3384. (b) One layer of APP based polymeric membranes of approved manufacturers, 3 mm thick, weight not less than 3.6 kg/sqm, reinforced with non woven polyester fabric (weight not less than 160 gms/sqm). Polymeric membrane shall be taken to cover the thickness of slab and shall be finished by a membrane flushing. Note: (i) Laying of APP based membranes shall be done by torch application or as per manufacturer's instructions. (ii) Side overlaps shall be minimum 75 mm and the end taps shall be minimum 100 mm and sealing of all overlaps & joints as per manufacturer instruction. (iii) For parapets, membranes shall be taken to a height of minimum 60 Cm and then inserted to the parapet in a groove. The same shall be finished by a membrane flashing. Make of APP Membrane : M/s STP Ltd./M/s Texsa India Ltd./M/s IWL India Ltd. 3. APP membrane shall be laid and tested by the manufacturer deploying their own team under strict supervision. Requisite guarantee certificate from manufacturer along with contractor’s certificate required to be furnished after successfully completion of testing. The submission of both certificate is mandatory before issue of completion certificate.

M&L for applying two coats of aluminium paints on top of APP membranes @0.125kg/sqm after complete laying of APP based polymeric membrane through authorised applicator complete all as specified & as directed.

M&L for cement concrete type B-0, 1:2:4 using 12.5 mm graded aggregate as in roof padding in order to maintain proper slope and camber finished the surface to receive screed bed or bedding complete all as specified & as directed.

M&L for cement concrete 25 mm thick type B-0, 1:2:4 (12.5 mm graded aggregate) as in base of flooring, finished even and rough to receive the top layers all complete as specified and as directed

Materials and Labour for, Digital Non - skid Ceramic tiles, coloured, 9 to 10mm thick area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm,conforming to IS 15622, Grade B II, in riser of steps, skirting, dado and pillar laid over cement screed base including 10 thick rendering Cement mortar (1:3) complete all as specified and directed

Materials and Labour for, Digital Non - skid Ceramic tiles, coloured, 7 to 8 mm thick area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm,conforming to IS 15622, Grade B II, in floors etc., set and jointed in neat cement slurry and pointed in white or coloured cement to match, over and including 20 mm thick screed bed or bedding layer of cement mortar (1:4),complete all as specified and directed.

Materials and Labour for, Digital glazed ceramic coloured tiles, 450 X 300 X 8mm thick, conforming to IS 15622, Grade B III, on vertical surface of wall such as dados,skirting etc, set and jointed in neat cement slurry and pointed in white or colour cement to match over and including 10 mm thick screed bed or bedding layer of cement mortar (1:4), complete all as specified and directed.

M&L for screed bed or bedding layer of cement mortar (1:4) mixed with liquid water proofing compound as per manufacturer instructions 15 mm thick on roof surface for maintained proper slope to receive priming coat for roof treatment all as specified and as directed.Note: - (Water proofing compound will be measured and paid separately)

Materials and Labour for rendering 15 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, 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, complete all as specified and directed.

Materials and Labour for rendering 5mm thick, cement plaster, in cement mortar (1:4) mixed with water proofing compound as per manufactures instructions over and including 10mm thick backing coat in cement mortar (1:4) on fair faces of brick work or concrete surface in walls, complete all as specified and directed. Note: - (Water proofing compound will be measured and paid separately)

Material and Labour for applying two coats of cement-based paint, white or tinted to new plastered surfaces on walls including priming with alkali resistant priming paint and including preparation of surfaces complete all as specified and directed.

M&L for preparation of new plastered or un -plastered from walls, and applying two coats acrylic distemper on walls, over and including a coat of 1 mm thick white wall care putty and a coat of primer complete all as specified and as directed.Make;Berger (Bison)/J&N(Jensolin)/Asain Piants(Tractor)/Nerolac(Beauty)

M&L for preparation of old painted surfaces of Steel surface of any description, not otherwise described over 10 cm width or girth and applying one coat of synthetic enamel painting complete all as specified and as directed.

Material and Labour for applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on new steel and iron surface exceeding 10 cm in width or girth including preparation of surfaces complete all as specified and directed.

Material and Labour for preparation of new or previously untreated new steel and iron surface of any description, over 10 cm width or girth, not otherwise described and applying two of synthetic enamel paint in camouflage pattern (Three colours as approved by GE)) over a coat of red oxide zinc chrome primer up to 18 Mtr height including all necessary scaffolding complete all as specified and directed Note (Work shall be exectuted through authorised applicator and shall be get approved by GE before commencement of work)

Material and Labour for Preparation of old painted steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying one coat of synthetic enamel paint in camouflage pattern (Three colours as approved by GE)) up to 18 Mtr height including all necessary scaffolding complete all as specified and directed Note (Work shall be exectuted through authorised applicator and shall be get approved by GE before commencement of work)

S & F PVC-U, type B as per IS 13592: 2013 single socketed soil waste pipes in any length with rubber ring joints, 110 mm dia, laid in trenches, wall and floor including all fitting complete all as specified and directed by Engineer- in- charge .

S & F UPVC bends with inspection door (any angle), 110 mm dia conforming to IS 14735: 1999 complete all as specified and directed by Engineer- in- charge

S & F PVC connectors 15 mm bore 450mm long with brass connections & washers all as specified.

S & F flexible (coil shaped) PVC waste pipe for sink and wash basin 32 mm dia with length not less than 700 mm connected to PVC waste fittings complete all as specified and as directed.

S & F 32 mm nominal size, copper alloy, nickel chromium plated finish waste fittings with including silicone sealant complete all as specified and as directed.

S & F 40 mm nominal size, copper alloy, nickel chromium plated finish waste fittings with including silicone sealant complete all as specified and as directed.

S & F rotational moulded polyethylene multi layer water tanks (vertical cylindrical with close top) as per IS 12701: 1996 of 500 litres capacity hoisted and fixed in position including provision of 20 mm /15 mm dia medium grade GI pipe for connecting inlet, outlet, over flow and washout pipes all as specified and as directed.

M&L for disconnecting existing tank setting aside for repairs, cleaning and removing all scales, dirt etc from tanks and mouth of circulating pipes and hoisting, reconnecting and refixing in position capacity exc. 250 and not exc. 500 ltrs complete all as specified & as directed.

M&L for disconnecting existing tank setting aside for repairs, cleaning and removing all scales, dirt etc from tanks and mouth of circulating pipes and hoisting, reconnecting and refixing in position capacity exc.500 and not exc. 1000 ltrs complete all as specified & as directed.

S & F 20 mm nominal size brass float valve, high pressure, with polythene float and flynut, screwed for iron pipe and fixed complete all as specified and as directed.

S & F in repair 20 mm nominal size brass float valve, high pressure, with polythene float and flynut, screwed for iron pipe and fixed complete all as specified and as directed.

Supplying & fixing to walls , ceiling and laid in trenches 20 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supplying & fixing to walls , ceiling and laid in trenches 15 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Refixing of old steel tubing and connection with new fittings ISI Marked in new or old position (wall, ceiling, floors, etc) of 15 mm bore all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Refixing of old steel tubing and connection with new fittings ISI Marked in new or old position (wall, ceiling, floors, etc) of 20 mm bore all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

S & F vitreous china squatting pan, 'Orissa" pattern, size 580 mm X 440 mm white with ‘P’ or ‘S” trap, front or back inlet and integral foot rests, any pattern and including fixing bolt, connector to flush pipe, lime concrete bedding and making connections to flush pipe, connector to branch pipe and anti syphonage pipes etc. including sealing the joints and making leak proof using sealant complete all as specified and as directed by Engineer-in-Charge.

S & F 10 litres capacity, low level, syphonic type, white, plastic flushing cistern as per IS 7231: 1994 with inlet, ball valve, float and handle including brackets and 40 mm nominal dia high density polyethylene pipes for flush pipe complete all as specified and as directed.

S & F in repairs wash basins, vitreous china, white, flat back, size 550 mm X 400 mm with and including cast iron brackets (embedded in wall upto 110 mm depth with and including cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate or fixing on wall with and including rawl plug and screws), 32 mm nominal size, copper alloy, nickel chromium plated finish waste fittings,brass pillar tap 15mm bore cp, including painting of fittings and brackets, sealing gap between wall and basin with silicone sealant, cutting and making good the walls wherever required and connecting to supply pipes, waste pipes, waste fittings etc. with silicone sealant complete all as specified and as directed.

S & F sinks with drainage board made of stainless steel 1 mm thick sheet kitchen or laboratory with plugs, washers and 40 mm nominal size, copper alloy, nickel chromium plated finish waste fittings with including silicone sealant; including bedding in cement mortar to dwarf wall or including fixing cantilever brackets and connecting union to pipes overall size 915 mm X 460 mm bowel size 410 mm X 330 mm X 160 mm complete all as specified and as directed.

S & F brass chromium plated shower rose 125 mm size with or without swivel joints, any size, including fixing to steel pipe or union complete all as specified and as directed.

Supply and Fix, brass chromium plated, 20mm dia towel rail, 60cm long between flanges, complete all as specified and directed.

S & F in repairs 15 mm nominal size, pillar taps, cast copper alloy body and body components with capstan heads, spindle, washer plate and nut, with screwed shanks and back nut, with or without lettered hot or cold, nickel-chromium plated finish complete all as specified and as directed.

S & F in repairs 15 mm nominal size, nonrising spindle type fancy concealed stop valves as per IS 8931: 1993 made of cast brass including Knob, knob components, divertor & components, nickel-chromium plated finish complete all as specified and as directed

Supply and Fix, in repair fancy bib tap, cast copper alloy, , chromium plated, with crutch or butterfly handle, screwed down, screwed for iron pipe or brass ferrule,15 mm bore and fixed, complete all as specified and directed.

S & F in repairs 15 mm nominal size, nonrising spindle type fancy angle stop valves as per IS 8931: 1993 made of cast brass including Knob, knob components, divertor & components, nickel-chromium plated finish complete all as specified and as directed.

M & L for concealed point wiring for one 3 pin/ 5 pin 5 Amps socket outlet on independent board complete with and including single core PVC insulated, unsheathed flexible conductor FR-LSH cables 2.5 sqmm as per IS 694: 2010, ISI marked, annealed, multistranded copper conductor drawn through & including medium mechanical stresses class PVC conduit as per IS 9537 (Part-III): 1983 of suitable nominal size as required at site dia but not less than 20 mm nominal size including all accessories/ fittings/ junction boxes/ inspection cover etc. ISI marked and sunk terminal boxes flush galvanised metal boxes suitable for fixing with 2.5 sqmm copper conductor PVC insulated, unsheathed flexible multistranded copper conductor FR-LSH cable as continuous earth wire connected to metallic body at one end and common earth dolly to other end complete all as specified and as directed. Note:- (i) The chases in the wall shall be cut with elect cutter (ii) The disturbed surfaces of wall shall be made good with cement plaster 1:4 including matching the surfaces with as per existing finishes and to the entire satisfaction of Engineer in Charge (iii)Wiring to be done as per approved colour code in IE rule.

Supply & Fix Switch socket combination 2 in 1, 5 A flush type all as specified and dircted by Engr-in-Charge.

Supply, Installation, testing and commissioning of Chemical Solution Dosing System comprising of dosing pump (suitable for chlorine solution prepared from calcium based granules/solution prepared from Poly Aluminium Chloride (PAC) Inorganic soluble polymer raw water flocculants powder ), AC, single phase, 230 Volts, 50 Hz, electrically operated with high starting torque, having positive displacement diaphragm type accurated by a solenoid solid state pulsar, with discharge capacity of 1 to 6 Litres/Hour of standard mixture of calcium based calcium base chlorine granule with water/PAC with water, of any strength and suitable for injecting chemical mixture at 4 to 6 Kg per sq cm pressure, with provision of polypropylene /LDPE suction and discharge pipes of suitable size and length with swing seal foot valve at bottom end of suction pipe, and with 100 Litres capacity FRP tank with FRP Lid having post hole for pouring calcium based chlorine granules/PAC and water, including provision for mounting the dosing pump on the lid/wall of FRP tank , provision of Level Gauge, Agitator (1280 to 1400 RPM) with shaft and blade in SS 316 (FRP Coated/Epoxy Coated /Plastic Coated) mounted on tank complete with all accessories required for installation as per Manufacturers instructions including supply of 02 (Two) Years normal maintenance Spares i.e. (i) PVC Pump roller tube – 02 (Two) Nos. (ii) Mixing Blade complete with PVC shaft and pin as per Manufacturers instructions – 02 (Two) Sets. and including making provision of mounting the pump set and provision of PCC foundation for placing the FRP tank, complete all as specified and directed.

Supplying and laying of CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings of size 20mm outer diameter on walls/ceiling or laying in floors complete all as specified and directed by Engr-in-Charge.

Supply & fix Plain CPVC SDR 11 union fitting of size 20mm outer dia complete all as specified and directed by Engr-in-Charge.

Supply & fix Plain CPVC SDR 11 ball valve fitting of size 20mm outer dia complete all as specified and directed by Engr-in-Charge.

Drilling and tapping from existing DI/CI/GI water mains pipeline (in position) for branch connections of the internal dia of 15 mm all as specified and as directed by Engr-in-Charge.

Supply and fixing Straight plain brass ferrules (or connecting screws) screwed both ends of dia 15 mm all as specified and as directed by Engr-in-Charge.

Supply & fix openwell submersible pump of capacity 03 HP, 03 phase, 415 Volts, 50 Hz and size of 65mm x 50mm with including making connection with motor starter, suction and delivery pipe line with pump all as specified and as directed by Engr-in-Charge. Make : Havells Cat Part No - MHPHDT3X00 / Kirloskar Model -2200CW or equivalent make in Crompton/ Texmo

Supply & fix motor starter for submersible pump of 03 phase, 03 HP capacity all as specified and as directed by Engr-in-Charge. Make : C&S, cat Part No - SPSCS1DO0406 and equivalent make L&T/BCH or

Supply & fix submersible flat cable of 2.5 sqmm x 03 core for connection from motor starter to submersible pump all as specified and all as directed by Engr-in-Charge. Make : Havells, Cat Part No- WHPNDSKG32X5 or equivalent make of RR kable/KEI etc

Supply only portable pump set diesel driven air cooled, 4 stroke, displacement of 296cc, capacity-4 KW/5 HP, RPM-3600 and operating max discharge of 900 Ltr/min, head- 26 mtr including suitable size of suction-delivery pipe upto 40RM, foot valve, Male-Female coupling etc. with all accessories as specified and directed by Engr-in-Charge. Make - Honda Cat Part No- WV30D or equivalent make Crompton/USHA etc

NATIONAL CONSTRUCTION CO