ADDN / ALTN TO HYDRAULIC QC LAB IN PC-7 HANGAR, PROVN OF TURBINE ROOF VENTILATORS, REPLACEMENT OF EXISTING LIGHTS IN HANGAR P-411, P-412 AND CERTAIN REVENUE WORKS , MINOR WORK AT AF STATION TAMBARAM

Amount

M & L Partition wall with powder coated aluminium frame work partly panelled with 12mm thick prelaminated particle board both side decorative choice laminations and partly glazed with 5mm thick plain glass/tinted glass, using standard aluminium sections 50.8 X 25.40 X 1.50 and 50.8 X 25.40 X 1.34 to wall, floor incl fixing with rubber beading and glazing clip set etc complete all as specified and as directed. Note:- Aluminium section size specified above if not available in the market next immediate higher size of same make shall be provided without any extra cost to the Govt.

M&L for powder coated aluminium sliding doors standared JINDAL or equivalent section size 63.5 x 38x1.60mm for frame and section size 47.62x44.45x1.18mm for vertical style section size 47.62x44.45x1.18mm for top and central rail section size 95.25x44.45x1.16mm for bottom rail, section size 19x17.3x0.80mm for glazing clip for shutter including fabrication to required size and partly panelled with 12mm thk both side prelaminated particle board and partly glazed with 4mm thick plain glass including fitting etc including with necesarry channel & wheels at top for sliding door , handle, mortise lock heavy duty complete all as specified and directed. Note :- Aluminium section size specified above if not available in the market next immediate higher size of same make shall be provided without any extra cost to the Govt.

S&F powder coated aluminium doors standard JINDAL or equivalent section of size 63.5 x 38 x 1.6mm for frame and section size 47.62 x 44.45 x 1.18mm for vertical style section size 46.72 x 44.45 x 1.4mm for top and central rail section size size 99.25 x 44.25 x 1.16mm for bottom rail, section size 19 x 17.3 x 0.80mm for glazing clip for shutter including faabrication to required size and partly panelled with 12mm thick both side prelaminated particle board and partly glazed with 5mm thick dark tinted glass including fitting etc including pivot, handle, mortise lock heavy duty complete all as specified and as directed Note:- Aluminium section size specified above if not available in the market next immediate higher size of same make shall be provided without any extra cost to the Govt.

S&F Door closer hydraulically regulated, designation No. 3, universal type, suitable for door shutters of 851 to 1000 mm in width and of weight between 61 to 80 kg of aluminium (extruded section) body and fixed complete all as specified and directed

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises all as specified and directed

M&L Screed bed or bedding layer of cement mortar 15 mm thick in CM 1:6 for laying floor finishes etc complete all as specified and as directed

M&L Joint free Non - skid coloured ceramic tiles 7 to 8 mm thick area of each tile exceeding 0.18 sqm but not exceeding 0.38 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and as directed

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

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

M&L 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, of grid size 605x605mm complete all as specified and as directed

M&L Gl frame work of grid size 605x605mm 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 as directed

S&F Providing and fixing 10mm thick plaster of paris ceiling (Gypsum anhydrous) to flat surface over metal frame work and reinforced with G.I. wire mesh etc., complete all as specified and as directed

Taking down cement or cement lime plaster, on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. all as specified and as directed

M&L Rendering 10mm thick in CM 1:4 on fair faces of brick work or concrete surfaces as in backing coat of Skirting/Dado etc complete all as specified and as directed

S&F Pillar taps 15mm bore, cast copper alloy, with capstan heads, chromium plated,fancy type, screwed down high pressure, with or without lettered 'Hot' or 'Cold' with long screwed shanks and fly-nuts, screwed for iron pipe and fixed complete all as specified and as directed

S&F Bib taps 15mm bore, cast copper alloy with crutch or butterfly handle,fancy type chromium plated screwed down, screwed for iron pipe or for brass ferrule and fixed complete all as specified and as directed

S&F Stop valves 15mm bore, cast copper alloy,fancy type, chromium plated screwed down, high pressure,with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete all as specified and as directed

S&F Tubular towel rail, aluminium anodised, 20mm dia, D type, 60cm long between flanges complete all as specified and as directed

S&F GI tubes medium grade galvanised with all fitting concealed in walls and fixed complete to walls and ceilings or laid in floors 15mm bore all as specified and as directed.

S&F GI tubes medium grade galvanised with all fitting and fixed complete to walls and ceilings or laid in floors 25mm bore all as specified and as directed.

Cutting existing steel tubing for alterations or additions (Each cut measured) incl Screwing existing steel tubing for alterations or additions (or lengthening screw on pipe to form connector) all as specified and as directed

S&F Waste coupling of PTMT (half or full threaded) 32mm bore all as specified and as directed. (Minimum weight- 45 gms) all as specified and as directed.

S&F Waste coupling of PTMT (half or full threaded) 40mm bore all as specified and as directed. (Minimum weight- 45 gms)all as specified and as directed.

S&F PVC (SWR) multi floor trap 75mm with grating including jointing with solvent cement complete all as speccified and as directed

S&F PVC (SWR) pipes 75mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and as directed

S&F 75mm dia PVC (SWR) junction single (Single T ) equal or unequal with access door all as specified and as directed.

S &F in repairs vitreous china wash basins angle back,size 600x480mm including cutting for and pinning in ends of brackets or errecting stand white 32mm dia polyethylene fush pipe, PVC connections 15mm size with PTMT nuts of length 600 mm, waste pipe screwd for pipe or connections including necessary packing, union and cap and fixed etc including brackets compete all as specified and as directed

S&F sink with drainage board made of stainless steel 1mm thick kitchen or laboratory with plugs washerrs and wastes including bedding in cement morter to twarf wall or including fixing cantileverbrackets and conecting union to pipe overall size 915x460mm bowl size 410x330mmx160mm including 40 mm dia waste fittingsbrass chromium plated and 40mm dia PVC waste pipes etc.all as specified and as directed.

M&L for preparation of existing surfaces of walls, pilasters & cornices including brooming down with steel wire brushing, scrapping down smoke soot, module, moss and efflorescent salts, trading oil/ greasy spots etc., and applying two coat of Oil Bound Distemper (washable) on wall complete all as specified and directed.

Cutting openings , through brick walls with built in cement mortor for door, window and other openings or enlarging existing openings, converting window into door openings, etc. or cutting out defective brick work for under-pinning, including providing, fixing and removing shoring, cleaning and stacking bricks, removing surplus serviceable bricks, hard-core, etc., to store and rubbish not exc. 50m all as specified and as directed.

Forming jambs, etc., to openings (to foregoing item) with Cement mortar 1:4 , including cutting, toothing and properly bonding into old work, also facing, jointing and pointing to match existing work, complete all as specified and as directed

Supply and installation of high (above 7.50 Meter) performance industrial roof vent 600 mm dia neck of aluminium alloy designed to meet AS 2423 dt 28.01.95 to wind speed of 200 kg per hour and to prevent the entry of wind driven rain at a range of 2.5L per second inclusive of base plate and all necessary accessories complete all as specifed and as diretced

S/F Pre- painted galvatume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws as specified complete all as specified and as directed

S&F Structural steel work as in 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. of Fe 410-W (Gde-E- 250) quality-A complete all as specified and as directed

M&L preparation of new steel surfaces of any description, over 10 cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer all as specified and as directed

Taking down wooden chowkhats or frames but with shutters (without taking off shutters from the frame) exc 1.5 sqm but not exc 4 sqm each complete all as specified and as directed

M & L for 1.25mm thick Steel rolling shutters, with out ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer, erected in position as indicated gear operated type with bevel gear box and crank handle complete all as specified and directed

M & L for Safety lever locks mild steel with 4 leavers for rolling shutters all as specified and directed

Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust etc, and brushing neat cement slurry with 3.0kg of cement per sq. metre complete all as specified and as directed

M&L Brickwork with using fly ash bricks, straight or curved on plan exc. 6m mean radius, built in cement mortar 1:6 complete all as specifed and as directed

M&L RCC 1:2:4,(using 20mm graded stone aggregate)as in slabs supported on walls,beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like complete all as specified and as directed

M&L Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work not exceeding 200mm thick complete all as specified and as directed

S&F TMT steel bars 6-8mm dia cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips etc complete all as specified and as directed

M&L Rendering 10mm thick on fair faces of brick work or concrete surfaces in CM 1:4 finishing even and smooth without using extra cement complete all as specified and as directed

M&L Rendering 5mm thick on fair faces of brick work or concrete surfaces in CM 1:3, in ceiling finishing even and smooth without using extra cement complete all as specified and as directed

M&L Preparation of new surfaces of walls and applying three coats of white wash on walls complete all as specifed and as directed

M&L Preparation of new surfaces and applying two coat of white wash on ceiling all as specifed and as directed

M&L Preparation of old surfaces of walls and applying one coat of oil bound distember complete all as specified and as directed

Surface dressing not exc 15cm deep and getting out in hard / dense soil all as specified and as directed

M & L for hardcore of gauge not exceeding 63 mm of broken granite stone, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface all as specifed and as directed

M&L Plain cement concrete 100 mm thick 1:4:8, type D-2 (using 40 mm graded aggregate) as in sub base all as specified and as directed

M&L Cement concrete type B0, 1:2:4 (12.5mmm graded aggregate) 40mm thick in sub-floors, sub bases, floors and paving etc. and finishing surface even and smooth without using extra cement all as specifed and as directed

M&L for brick work with sub class B bricks straight or curved on plan exc. 6Mtr mean radius built in CM 1:6 all as specifed and as directed

M&L Rendering 15mm thick on brick/ concrete surfaces with cement mortar 1:4 finished even and smooth (without using extra cement) all as specified and as directed

Demolition of plain cement concrete including floor finishes in ground floors and pavings not exc 15 cm thickness (below or above ground level) all as specifed and as directed

M&L Screed bed or bedding layer of mortar 20mm thk for laying floor finish in CM 1:6 all as specifed and as directed

Brushing neat cement slurry with 3.0 kg of cement per sq. metre

M&L Machine cut kota stone slab flooring 20-25 mm thk over cement screed base laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete all as specifed and as directed

M&L Kota stone slab 20-25mm thk in riser of steps, skiring,dado and pillar laid over cement screed and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete all as specifed and as directed

S&F Joint free Non - skid coloured ceramic tiles 7 to 8 mm thick (square/ rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and as directed

S&F GI tubes medium grade galvanised with all fitting and fixed complete to walls and ceilings or laid in floors 20mm bore all as specified and as directed.

M&L for flame proof point wiring surface type with single core 1.5 sqmm PVC insulated sheathed FRLS single core multistranded copper conductor cable including 1.5 sqmm PVC insulated sheathed multistranded copper conductor as earth continuity conductor drawn through flame proof in stove enamelled steel conduit not less than 20 mm width with its accessories, pressed steel terminal box made of 1.6 mm MS sheet/anodised steel box painted with one coat of red oxide primer including 3.0 mm thick ISI marked laminated sheet cover for fixing switches and socket etc complete for one light point / fan point controlled by one rotary switch 16 Amp single pole 250 Volts

All as per SL.item No. 63 above but with 2.5 sqmm copper conductor with 2.5sqmm earth condinuity conductor for power points 15 Amps

Supply and fixing of LED flood light 100W is a Compact LED Flood light with system luminous efficacy of 100lm/w, protected to IP66, with front toughened glass,with discrete high lumen LED to IP66, with front toughened glass,with discrete high lumen LED and connected accessories complete all as specified and directed (Make - Surya cat part No SLE FL 100W IP66 LMS NEO) or equivallent all as specified and directed.

S&F in replacement of LED light fitting 2x16 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum hosing with heat resistant toughened glass with LED tube light fixtures driver, holders, connector etc. Complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size and testing all as specified and directed.

S&F Flame proof switch socket & plug combined in LM6 cable termination box in LM6, 16A, 250V, 2P+earth all as specified and directed.

S&F Switch flame proof rotary type with termination box in LM6, 16A, single pole 250V all as specified and directed.

Supply, install,commissioning and testing of commercial Air curtain unit for prevention of dust and conditioned air losses, single phase, 220 V, 50 Hz, made out of MS/CRCA sheet of minimum thickness 18gauge finished with two coats of red oxide primer and final coat of synthetic enamel paint (oven baked) with MS -CRC 18 gauge square perforated suction grills,Aluminium alloy fans and single phase electric motor, nozzles etc suitable for door opening size 46"x84" complete with fittings and accessories so as to produce 1 - 1.5m/sec air velocity door opening as specified and as directed.

Supply and fix flame proof wall mounted fan 450 mm sweep motor rating 0.25 hp,single phase RPM-1440,CFM 9000 speed control complete with all accessories incl mounting fabricated MS flat and anchor fastner nuts and bolts all as specified and as directed.

S & F air termination single pointed copper rod 12mm dia and 300mm long fixed with copper strip over insulator by chromium plated screw of suitable size riveting and welding complete all as specified and directed (Note : copper strip shall be measured and paid separately)

S&F earth continuity conductor of copper strip of size (32x6) mm fixed to wall/duct/roof with bridge insulator (in minimum 60 cm apart) as required or in any other location for loop earthing etc. as required complete all as specified and directed. Note 1 : The bridge insulator shall be measured and paid separately. Note 2 : For vertical run copper strip shall run through GI pipe upto test point from plinth protection and further upto 1 mtr from test point.

M & L Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm, drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw and halogen free weather proof IP-65 enclosure of size not less than (119x139x70)mm with one/two nos mounting braket and scews complete all as specified & directed. Note : The test point shall be fixed at minium 1.0 mtr above the ground level.

Material and labour for copper strip size 20X3.15 mm strip earth continuity conductor or main earthing lead or for inter-connection of earthing lead fixed to wall on batten or recess or chases or buried in ground upto 0.45 meter depth or drawn through conduit/pipe or fixed to pole or any other indicated situation for loop earthing etc as required including testing on completion compleete all as specified and as directed.

S&F porcelain bridge insulator of size (75x35x40)mm with one No GI bolt of 65mm dia and 40mm long including nut & washer and two Nos GI bolt of 10mm dia and 50mm long including nut & washer for holding/fixing copper strip on roof/wall complete all as specified and directed

S & F GI light grade tubing for protection of 40 mm dia for earth strip protection complete all as specified and directed.

Material and labour for earthing complete with copper earth plate electrode 600x600x3.15mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to earth lead of 20x3mm copper earth strip by means of bolts, nuts, washers of galvanised including GI pipe 40mm dia light grade all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work. PCC 1:3:6 type C1 chamber, RCC cover in 50mm thick 1:2:4 type B1 with 8mm CTD 140mm centre to centre with suitable handle, watering pipe 20mm dia light grade pipe with funnel, charcoal salt connected to earthing test point all as specified including testing and commissioning on completion

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