REPAIRS TO LEAKAGE SEEPAGE SHAFT AND TILING AND CONNECTED WORKS JCO OR MD ACCN AT SEVOKE MIL STN UNDER GE SEVOKE ROAD

Amount

Taking down cement plaster or lime plaster on walls /ceiling of any description from concrete or brick wall etc including raking out joints, hacking for key, scrubbing down with water and disposing off the retreived debris out side MD land including necessary scaffoldings etc complete all as specified and directed

Demolition of brick work built in cement mortar including all quoins, arches, pillars etc complete all as specified and directed.

Demolition of reinforced cement concrete work, RCC tank of any description and in any position not otherwise specifically provided for all as specified.

M&L for brick work with sub class 'B' bricks using old size bricks straight or curved on plan exc 6 mtr mean radius built in CM 1:6 complete all as specified and directed.

M&L for brick work with sub class "B" bricks straight or curved on plan to any radius in half brick thick walls built in CM 1:4 complete all as specified.

M&L for 20 mm thick rendering in CM 1:4 in two layers of 10mm each using water proofing compound in top layer only including finishing the surface even and fair(WPC shall be measured and paid seperately) complete all as specified and as directed

Supply only water proofing compound (integral) complete all as specified and directed.

Taking up or down 15 mm bore steel tubing and connections including cleaning for re-fixing or removal to store complete all as specified.

Taking up or down 20 mm bore steel tubing and connections including cleaning for re-fixing or removal to store complete all as specified.

Taking up or down 25 mm bore steel tubing and connections including cleaning for re-fixing or removal to store complete all as specified.

S&F 15 mm bore medium grade galvanized steel water tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as specified.

S&F 20 mm bore medium grade galvanized steel water tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as specified.

S&F 25 mm bore medium grade galvanized steel water tubing with all fittings and fixed to wall/ceiling or laid in floor complete all as specified.

M&L for preparation of new plastered surfaces of walls and applying two coats of weather resistant acrilic emulsion paint over a coat of primer complete all as specified and directed. .

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position. (including Cleaning, repairing, etc.)

M&L for precast cement concrete, 1:2:4 type B1 (Using 20 mm stone aggregate) as in slabs, landings, etc. including formwork complete all as specified and directed

M&L for TMT bar 5mm dia and over and including 10mm dia as in stirrups, spacer bars and binders complete all as specified and directed

Demolition of brick coba/cement concrete (unreinforced) from existing roof/terrace etc and also removing/taking down of existing water proofing treatment of any thickness in any position including cleaning the surfaces of roof etc with wire brush complete and removing the retreived debris in low lying area complete all as specified and directed.

M&L for 25 mm thick PCC (1:2:4) type B-0, using 12.5mm graded stone aggregate as in levelling course over RCC roof surface to achieve required slope including making rounded or chamfered on edges mixed with WPC @2% by weight of cement, complete all as specified and directed. Note : WPC shall be measured and paid separately as supply only.

M&L for 15mm thick rendering in CM (1:4) over RCC roof surface to receive roof treatment finished even and smooth without using extra cement mixed with water proofing compound as per manufacturers instruction (WPC shall be measured and paid separately).

M&L for providing, laying water proofing treatment over plastered surfaces of RCC roof shall be as under:- (a) The dried plastered surface of slab shall be painted with one coat of bituminous primer @0.4 liter/Sqm. (b) Over the primed surface a layer of APP based polymeric membrane minimum weight of 3 kg/sqm of approved manufacturer minimum 3mm thick, reinforced with polyster non woven fabric (weighing not less than 160gms/sqm) shall be laid by torch application method. The side over laps of membrane shall be minimum75mm and the end laps shall be minimum 100mm and sealing all overlaps and joints shall be done as per manufacturer's instruction. (c) The finished surface shall be given Aluminium paint @ 0.11 Kg/Sqm on APP as per manufacturer's instructions. Make:-M/S TEXSA INDIA LTD (MOPLY-FP) / M/S STP LIMITED (SUPER THERMOLAY) / IWL INDIA LIMITED (HYPERPLAS)/M/S Tiki Tar Danosa (India) Pvt Ltd (Hydro Stop)/M/s Supreme Bituchem India Pvt Ltd (Super Shield)

Treatment of sunken floor slab compraises of the following specifications and all as specified.:- Note:- Cost of the following specification shall be included in the quoted rate.

M&L for cleaning the sunken/ lowered portion of RCC slab surface (including vertical total depth plus skirting height ) of floors by wire brush, chisel out any mortar sticking to the surface and brooming completely . 40mm thick avg PCC 1:2:4 type B-0 using 12.5mm graded aggregate as in padding conc to achieve proper slope includiing cutting holes in bricks or RCC wall for spout.

Rendering of uneven surfaces with 6mm thick CM 1:4 mixed with integral water proofing compound @3% by wt of cement consumed. Fill it with water and check dampness and seepage. Where dampness/ seepage is noticed , nozzles shall be fixed and grouting carried out (WPC shall be measured and paid separately )

All junctions points of side wall where CI/GI pipes are passing through shall be sealed with epoxy putty.

After drying putty , wash the slab and sides of sunken portion with water and make it clear and clean.

M&L for applying two coats of polymer modified cementious water proof coating as per manufacturs instruction to bottom and vertical sides up to finished floor level +100mm height . The thickness of two layer shall be 1mm . When the second layer is still sticky, coarse sand spray shall be carried for the vertical and bottom surface of the sunken portion all as specified and directed.

Plaster the bottom and sides up to bottom of the skirting with minimum 20mm thick CM 1:4 mixed with integral water proofing compound 3% by wt of cement consumed as per menufacturer's specification including rounding of corners and junctions sloping towards spout ( WPC Shall be measured & paid separately)

Note :- Test the water proofed area (ponding test ) by filling water for at least 72 hours and tested for leakage seepage and to the entire satisfaction of GE . Test shall be done in presence of reps of PMG and record for each sunken slab shall be maintained. The treatment shall be carried out by authorised applicators of chemicals. Cost of testing is inclued in the rates quoted.

All pipes laid in sunken portion shall be covered with 50mm thick PCC 1:3:6 all round after painting with anticorrosive paint.

Two nos 50mm bore GI pipe medium grade 600mm long spout shall be provided through external wall to drain out accumulated water.

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

M&L for non skid coloured ceramic tiles of 7 to 8 mm thick (square/rectangular) area exceeding 0.06 sqm but not excdeeding 0.11 sqm as in floor etc set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles including 20 mm thick screed bed or beding layer of CM 1:6 for fixing of tile complete all as specified and as directed

M&L for glazed coloured ceramic tiles of size 450x300x 7mm thickness in vertical surfaces set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles including 10 mm thick backing layer of CM 1:3 for fixing of tiles on wall complete all as specified and as directed.

S & F Vitreous China, semi-pedestal pattern (EWC) excluding fixing bolts, flushing cistern and flush pipe complete all as specified and as directed.

S&F PVC connection pipe 15 mm dia, 450 mm long with PTMT nut complete all as specified and as directed

S & F in repairs flushing cistern, 10 Ltrs. Capacity, PVC valveless, syphonic action type with dual flushing system, low level,white with inlet, ball valve,float and handle including brackets, flush pipe of polyethylene PVC 32mm dia, complete all as specified and directed.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks etc including cleaning or refixing or removal to store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and directed.

S & F 110 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified and directed.

S & F 110 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

S & F 110 mm bore PVC (SWR) branch piece single (Single `Y') equal or unequal with access door complete all as specified & directed.

S & F 110 mm bore PVC (SWR) branch piece double (Double `Y') equal or unequal with access door complete all as specified & directed.

S & F 110 mm bore PVC (SWR) Vent cowl complete all as specified & directed

S & F 75 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified and directed.

S & F 75 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

S & F 75 mm bore PVC (SWR) branch piece single (Single `Y') equal or unequal with access door complete all as specified & directed.

S & F 75 mm bore PVC (SWR) branch piece double (Double `Y') equal or unequal with access door complete all as specified & directed.

S & F 75 mm bore PVC (SWR) Vent Cowl complete all as specified & directed

Taking down PVC door or flames with shutter (without taking of shutter from the flames) area not exceeding 1.5 sqm each complete all as specified.

S&F PVC door frame of size 50mmx47mm made out of 5mm thick plain colour PVC sheet reinforced with MS square tube fixing in opening as per specification & drawing all as specified and directed.

S&F factory made soild panel PVC door shutter 30mm thick (Style) consisting of frame made out of MS tubes for top & bottom rails, MS frame shall be covered with heat moulded plain colour PVC 'C' channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail & bottom rail, panelling of plain colour PVC sheet to be fitted in the MS frame welded/sealed to the stiles & rails with suitable PVC sheet beading and jointed togehter with solvent cement, supplying & fixing in the frame at site as per specification complete all as specified and directed.

S&F stainless steel butt hinges of size 75mm complete all as specified and directed.

S&F for aluminum anodized barrel tower bolts of extruded section, 150mm long, ISI marked, complete all as specified.

S&F 150mm long Aluminium handle cast type anodised complete all as specified and directed.

Dismantling asbestos cement (corrugated/semicorrugated, etc) sheets in roof coverings etc complete all as specified and directed

S&F pre- painted gavalume 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 complete all as specified and directed.

S&F pre- painted gavalume 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.

S&F mild steel work in framed brackets of angles or tees with web and flanges cut to shape, drilled and counter sunk for screw, including bending and welding angles as necessary gusset plates, riving etc n.exc 10 kg each brackets conforming to FE-290 GDE-165 complete all as specified and as directed.

M&L for preparation of new steel surfaces of any description over 10cm width of grith and applying two coat of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

S&F in repair 15 mm bore bib tap fancy type chromium plated cast copper alloy with capstan head wall flange screwed down screwed for iron pipe complete all as specified and as directed.

S& F 15 mm angle stop cock (male or female thread)cast copper alloy chromium plated fancy type with capstan head, wall flange screwed down screwed for iron pipe and fixed in repairs complete all as specified and as directed.

S& F 15mm bore concealed angle stop cock (male or female thread) cast copper alloy chromium plated fancy type with capstan head, wall flange screwed down screwed for iron pipe and fixed in repairs complete all as specified and as directed.

M&L for PVC (SWR) floor trap plain with grating including jointing with solvent cement of diamemeter ,75mm complete all as specified and as directed.

Cutting chases in brickwalls girth exc 10 cm but n exc 20 cm , pinning in making good to facings where required and pointing in cement mortar 1:3 for conceled water tubing etc and making good complete all as specified.

S&F in repairs vitreous china squatting pan "ORISSA" patern of size 580x440mm white, with integral foot rests (excluding flushing cistern & flush pipe) including provisioning of lime concrete bedding complete all as specified.

S&F 15mm bore CP Toilet Hand Pressed Nozzle (Heath faucet) with 1.5 mtr long tube with CP wall bracket including taking down the old one complete all as specified and as directed.

S&F in repairs CP brass overhead shower 80mm dia round shape with and including CP brass shower arm 240mm long with wall flange complete all specified and directed.

S&F in repairs 20 mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball for iron pipe complete all as specified and directed.

S&F 20 mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball for iron pipe complete all as specified and directed.

S&F in repairs 25 mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball for iron pipe complete all as specified and directed.

S&F 25 mm bore ball valves high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball for iron pipe complete all as specified and directed.

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

S&F anodised aluminium snap grid frame work, with size of grid 605mm x 605 mm for false ceiling, fixed with hangers 6mm dia GI (upto 120mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flat 40x3 mm size 60 mm long and expansion hold fasteners 12.5 mm dia 40 mm , 4 mm thick decorative type non asbestos fibre cement building boards fixed or laid/insertaed to aluminium frmae work s in ceiling complete all as specified and as directed. Note:- The size of aluminium main and cross tee shall be 40mmx 25 mm and size of angle shall be 25mm x 25mmx 2mm

JHA CONSTRUCTION AND CO

D.D. BROTHERS

MARWA CONSTRUCTION

SRI SURAJIT SENGUPTA

SHRI JIBANDHAN PAUL

ASSOCIATED TRADING CORPORATION

M/S SUBRATA JOARDAR

PARTHA BISWAS AND CO