IMPROVEMENT TO TWCC AND ASSOCIATED WORKS, PROVISION OF EARTHING PITS AND ASSOCIATED E/M WORKS AT CERTAIN LOCATIONS AT AIR FORCE STATION SURYALANKA

Amount

Demolition of un-reinforced cement concrete in ground floors and pavings not exceeding 15cm thickness, below or above ground level complete all as spd and as directed.

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

Taking down cement or cement lime plaster, any description on brick walls including racking out joints, hacking for key, scrubbing down with water etc complete all as spd and as directed.

Taking down chowkhats or frame (without taking off shutters from frame) not exceeding 1.5 Sqm each including making good disturbed portions with PCC 1:2:4, type B-O or in cement mortar 1:4 after removal of frame complete all as spd and as directed.

Taking down chowkhats or frame (without taking off shutters from frame) exceeding 1.5 Sqm but not exceeding 4 Sqm each including making good disturbed portions with PCC 1:2:4, type B-O or in cement mortar 1:4 after removal of frame complete all as spd and as directed.

M&L for rendering 10mm thick on fair faces of brick or concrete in CM 1:6 finishing even and smooth without using extra cement complete all as spd and as directed.

M&L for preparation of newly plastered suraces of walls and applying two coats of oil bound distemper over a coat of primer complete all as spd and as directed. (Make : ASIAN/SHALIMAR/BERGER)

M&L for 25mm thick cement concrete 1:2:4, type B-O (using 12.5mm graded stone aggregate) as in levelling of sub base flooring complete all as spd and as directed.

M&L for Coloured Non-Skid ceramic tiles 7 to 8mm thick area of each tiles 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 the shade of tiles, laid over and including 15mm thick screed bed in cement mortar 1:6 complete all as spd and as directed.

M&L for Coloured Non-Skid ceramic tiles 7 to 8mm thick (Square/rectangular) area of each tiles 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 the shade of tiles, laid over and including 15mm thick screed bed in cement mortar 1:6 complete all as spd and as directed.

M&L for Glazed ceramic coloured tiles of size 300 x 200 x 7mm thick in vertical surfaces as in dado, skirting etc, set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles, laid over and including 10mm thick rendering in cement mortar 1:4 complete all as spd and as directed. (Make for item No-9 to 11 : KAJARIA/JOHNSON/SOMANY/NEYCER)

M&L for anodised aluminium frame for doors, windows, ventilators with one or more rebates including jointing cleats for fixing etc complete all as spd and as directed.

S&F for anodised aluminium windows and ventilators shutters, side hung type without sash bars, aluminium sections weighing 0.55 Kg/m including necessary jointing cleats, glazing clips, rubber packing, anodised aluminium snap beadings, screws, anodised aluminium fittings such as peg steys 150mm long-01 No, hinges type B-21, 100mm long-2 Nos, suitable handle-01 No etc complete all as spd and as directed. (Make for item No-12 & 13 : AJIT INDIA/ JINDAL/HINDALCO)

S&F 4mm thick sheet glass, ordinary quality and glazing with rubber beading in aluminium frame complete all as spd and as directed. (Make : ATUL/TRIVENI/ MODIGUARD/SAINTGLOBIN)

S&F Stainless steel wire cloth, 0.36 mm nominal dia of wire and average width of aperture 1.40mm and fixed with rubber beading in aluminium frame complete all as spd and as directed.

S&F factory made PVC Solid Door frame of size 50mmx47mm made out of 5mm plain coloured PVC sheet reinforced with MS Square tube, fixed in opening as per specification and dawings.

S&F Factory made Solid panel PVC Door Shutter of 30mm thick (Style) consisting of frame made out of MS tubes for top and bottom rails. MS frame shall be covered with heat moulded plain colourr PVC 'C' channel having a PVC sheet strip 20 mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail ; Panelling of plain clour PVC sheet to be fitted in the MS frame welded / sealed to the stiles & rails with suitable PVC sheet beeding and jointed together with solvent cement as per specification and drawing. (Make for Item No. 16 & 17: - SINTEX / RAJSHRI PLASTIWOOD/ NANDI/ UNIVERSAL)

S&F 100mm long aluminium anodised barrel tower bolts of extruded aluminium section complete all as spd and as directed.

S&F 100mm long aluminium alloy handles, cast type anodised complete all as spd and as directed.

S&F 75mm long aluminium butt hinges, extruded aluminium alloy with galvanised steel wire pin anodised, type C-22 complete all as spd and as directed. (Make for item Nos 18 to 20 : CLASSIC/AJANTA/CROWN)

S&F Vitreous china wash down water closet pan (pedestal pattern) white, excluding flushing cistern and flush pipe but including Plastic water closet seat, black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminised hinging device, including taking down existing unserviceable/broken EWC complete all as specified and directed Engr-in-Charge. (Make: HINDWARE / NEYCER/ PARRYWARE / CERA)

S&F PVC valveless, symphonic action type, flushing cistern 10ltr capacity, low level, white with inlet ball valve float and handle along with suitable flush pipe/bend including brackets fixed in repairs complete all as directed by Engr-in-Charge. (Make: PARRY WARE (SLIMLINE)/ COMMANDER/ HINDWARE)

S&F Vitreous China wash basin, white, flat back, of size 550x400 mm, excluding taps, waste chain and plug and porcelain stopper but including brackets and 40mm dia brass chromium plated waste fitting and 40mm dia 90cm long PVC waste pipe, including taking down existing unserviceable/broken wash hand basin all as specified and directed by Engr-in-Charge. (Make: HINDWARE / NEYCER/ PARRYWARE / CERA)

S&F Vitreous china bowl urinal flat back, size of 465 x 355 x 265mm white (minimum) complete including providing and fixing plugs, bedding urinals against wall in cement mortar 1:2, securing urinals to plugs with and including 60mm long brass screws, pointing around urinals back in white cement complete all as spd and as directed. (Make: HINDWARE / NEYCER/ PARRYWARE / CERA)

S&F Pillar taps fancy type 15 mm bore, cast copper alloy, chromium plated with crown or capstan head screwed down high pressure, with or without lettered `Hot' or `Cold' with long screwed shanks & fly-nuts, screwed for iron pipe, fixed in repairs, all as specified and directed by Engr-in-Charge. Make: SEIKO/RYBO/SPECTRUM/ NMC/L&K

S&F in repairs Stop valves 15 mm bore, cast copper alloy chromium plated screwed down high pressure, with crown or capstan head, concealed type with long shank and cup screwed both ends for iron pipe or for unions all as specified and directed by Engr-in-Charge. Make: SEIKO/RYBO/SPECTRUM/ NMC/L&K

S&F in repairs bib taps 15 mm bore, cast copper alloy chromium plated screwed down high pressure, with crown or capstan head, screwed for iron pipe all as specified and directed by Engr-in-Charge. Make: SEIKO/RYBO/SPECTRUM/ NMC/L&K

S&F PVC connections 15mm size with PTMT nuts of length 450mm complete all as spd and as directed. Make: PRAYAG/POLYTUFF or equivalent as approved by AGE (I)

S&F in repair towel rail 600mm long of PTMT fixed with and including chromium plated brass screws and wooden/plastic cleats complete all as directed by Engr-in-Charge. Make: PRAYAG/POLYTUFF or equivalent as approved by AGE (I)

S&F for 20mm outer dia 3-layers PP-R (polypropylene random copolymer) concealed pipes SDR 7.40 (PN16) UN-stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc complete all as specified and as directed.

S&F for 25mm outer dia 3-layers PP-R (polypropylene random copolymer) concealed pipes SDR 7.40 (PN16) UN-stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc complete all as specified and as directed. (Make for Item No. 30 & 31 : PRINCE/SUDHAKAR/KPT)

S&F PVC (SWR) pipes 75mm bore single socket in any length with rubber ring joints fixed to wall or laid in floors as in soil, waste and pipes including dismantling of old pipes complete all as directed by Engr-in-Charge.

S&F in repairs PVC (SWR) bends (any radius) suitable for 75mm bore pipe fitted with access door complete all as directed by Engr-in-charge.

S&F PVC (SWR) floor trap 75mm dia plain with grating including jointing with solvent cement fixed in repairs complete all as spd and as directed. (Make for item No 33 to 35 : PRINCE/SUDHAKAR/NANDI/SWASTIK)

S&F in repairs 32mm dia waste fittings, brass, chromium plated for glazed ware sinks, basins etc with long screwed shanks and fly nuts, flanged end bedded in red lead cement and other end fixed complete all as spd and as directed.

S&F in repairs 40mm dia PVC waste pipe for urinal including urinal pot cup fixed with screws complete all as spd and as directed.

S&F in repairs 32mm dia PVC waste pipe for wash hand basins complete all as spd and as directed.

M&L for Maintenance Free chemical earthing pit Pipe-In-Pipe Technology, using M.S Pipes of Outer Dia is 76 mm with a wall thickness of 1.6 mm, Inner Dia is 42 mm with a wall thickness of 2.6 mm, Over all Length not less than 2000 mm, External Corrosion Protection, Galvanisation (80-100 microns), Internal Corrosion Protection, A ground breaking corrosion resistant Crystalline Conductive Compound filled and compacted in the cavity within the pipes to enhance the electrodes performance, ELECTRODITE Manufactured using Eco - Friendly minerals, Blended homogeneously with conductive carbon(s), Resistivity : < 5 ohmmetre, (In ideal moist conditions),> 5 ohm-metre (Dry Conditions), High water retention capacity, Hygroscopic, Ionic & Electronic conduction, Swells when it comes in contact with water thereby engaging constant, contact between the electrode surface & soil of not less than 50 kg. Conforms to IS : 3043 - 1987 i.e., Code Of Practice For Earthing along with Poly Plastic Earthpit Chamber Cover Heavy Duty (5 ton Capacity ) fixed in position, testing, complete all as specifeid and as directed.

S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required with copper Strip 20x3 mm complete all as specified and as directed.

M&L for earth plate marking made up of angle iron 25x25x3 of length not less than 1.0 mtr, (0.5 mtr above GL) fixed with MS plate of 2 mm thick, 30 x 20 cm in triangle shape by welding, with two coats of red oxide paint with one coat of red colour synthetic enamelled paint and written "Maint Free Chem EP, ER Value :____" in black colour and fixed complete all as specified and as directed.

Earthing complete with Copper earth plate electrode 600x600x3 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to Copper earth strip of 20x3mm (up to 7.5m in length from earth plate) by means of bolts and nuts checknuts and washers of copper or brass all as specified and shwon in electrical plate no 3 of SSR part 1 including Charcoal, Rock salt, necessary excavation and earth work in any type of soil, PCC 1:3:6 type C1 chamber with RCC 1:2:4 type B1 40 mm thick cover with MS bar 8mm dia 150mm c/c reingorcement, watering funnel 40 mm dia light grade for protection of earth electrode 20 mm dia for watering all as speicified and directed and tested on completion.

S&F GI strip 32 x 6mm with Proceline/backlite insulators and fixing screws etc and connections are made by nuts/ bolts/washers complete all as spd and as directed.

Sub Total of Schedule 'A'

Schedule of Credit (Minus) Rs. 4,398.00 B/F from Ser page No. 28. NOTE: Bidder shall insert credit amount as rate Rs. 4,398.00 in Green field under Col-6. If bidder does not insert the amount the same will be deducted from total amount of Schedule 'A' and accordingly total amount of tender will be considered in deciding the lowest tender.

Sub Total of Schedule of Credit

K VENUGOPALA SWAMY