REPAIRS TO LEAKAGE SEEPAGE SHAFT REPAIR AND TILING AND CONNECTED WORKS IN ZONE B AREA AT SEVOKE MIL STN UNDER GE SEVOKE ROAD

Amount

Demolition of cement concrete (unreinforced) in ground floors and pavings n. exc 15 cm thickness (below or above GL) complete all as specified

M&L for 30 mm thick PCC (1:2:4) type B-1, 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 complete all as specified and directed

M&L for 50 mm thick PCC 1:4:8 type D-2 (using 40mm graded stone aggregate) as sub base of flooring complete all as specified.

Roughening surfaces of existing roof treatment and taking out of old APP membranes and removing from site including cleaning and washing down with water to remove dust, etc and brushing neat cement slurry @3 kg/sqm complete all as specified and as directed by Engineer-in-charge.

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)

M&L for 10 mm 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).

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

M&L for Cutting grooves in brickwalls, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and diected.

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

Dismantling timber scantling 40 Sqcm and over in section in any position as in framed works complete all as specified and diected.

M & L for 2nd class hard wood (SAL) in scantling clean sawn and fixed in position complete all as specified and as directed.

S&F rolled mild steel sections any type including hollow section 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 FE -290 Gde E-165 complete all as specified and 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.

Dismantling plain or corrugated steel sheeting any gauge, thickness in roofs complete all as specified.

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.

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

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.

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.

Taking down cement plaster on brick wall/concrete surfaces etc including racking out joints hacking for key scrubbing down with water etc of any thickness including Dado any description complete all as specified and directed.

M&L for 15mm thick rendering on other than fair faces of brick or concrete surfaces in CM 1:6 and finished the surface even and smooth without using extra cement complete all as specified and directed.

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

M&L for rendering 5 mm thick in CM 1:3 as in ceiling, finished the surface even and smooth complete all as specified and directed.

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

M&L for preparation of newly plastered surfaces of walls and applying two coats of oil bound distemper over a coat of alkali resistant primer over 1mm thick wall putty all as specified and directed. .

Demolition of cement concrete (reinfoced) of any description and in any position and removing rubbish of premise complete all as specified and as directed.

M&L for mild steel TMT bars 10mm dia and over cut to length, bent to shape required incl cranking, bending spirally for hooping for columns, hooking ends and binding with and incl mild steel wire annealed, not less than 0.9mm dia or securing with clips complete all as specified.

M&L for mild steel TMT bars 6mm to 8 mm dia , cut to length, bent to shape required incl cranking, bending spirally for hooping for columns, hooking ends and binding with and incl mild steel wire annealed, not less than 0.9mm dia or securing with clips complete all as specified.

Use and waste formwork to chullah hoods, slabs, chajja, through and similar items including edges for flat complete all as specified and as directed.

M&L for RCC 1:2:4 type BI (using 20 mm graded stone aggregate) nominal mix as in fins, facias,chajja,lintel etc complete all as specified and as directed.

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 0.11 sqm but not excdeeding 0.18 sqm as in skirting etc set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles including 10 mm thick screed bed or beding layer of CM 1:3 for fixing of tile in skirting complete all as specified and as directed

M&L for non skid coloured ceramic tiles of size 600x600x8mm thickness in floor set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles over and including 15 mm thick screed bed of CM 1:6 complete all as specified and as directed.

All as per item No 34 above but in striking complete all as specified.

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 150 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 150 mm bore PVC (SWR) bends of any radius 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 150 mm bore PVC (SWR) branch piece double (Double `Y') equal or unequal with access door complete all as specified & directed.

S&F Plain, Aluminium sheeting 0.71 mm thick, Alloy 31000 H4 in ridges, hips, valley gutter, drip and straight flashing (length and girth as fixed) including fixing clamps ISF 30x6 mm at prescribed distance complete all as specified and directed.

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

Supply and Fix for Anodised aluminium snap grid framework, with size of grid 605 mm X 605 mm, for false ceiling, fixed with 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, 4mm thick decorative type non asbestos fibre cement building boards fixed or laid /inserted to aluminium frame work as in ceiling complete all as specified and directed. Note:- The size of aluminium main and croos tee shall be 40mm x25mm x2mm and size of angle shall be 25mm x 25mm x 2mm)

Taking up or down 15mm 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.

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 specified and directed.

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 specified and directed.

Dismantling PVC water tank of capacity Exc 500 Litre and not Exceeding 1000 Ltr complete all as specified and directed

S&F Rotational moulded polyethylene water storage tanks of 1000 litre capacity double layer black in colour (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I complete all as specified and directed

S&F in repair stop valve cast copper alloy, screwed down, high pressure with crutch or butterfly handle, screwed both ends for iron pipe or for union and fixed, complete all as specified and directed.

S&F in repair 15 mm bore Gun metal gate or globe valve with iron wheel head screwed both ends for iron pipe complete all as specified and directed.

SRI SURAJIT SENGUPTA

MARWA CONSTRUCTION

M S ALOK SAHA

JHA CONSTRUCTION AND CO

ASSOCIATED TRADING CORPORATION

SHRI JAYANTA GHOSH

PARTHA BISWAS AND CO