GE/ALP (8253B) KOLKATA OF 2023-24

Amount

Chipping of unsound /weak concrete materials from slabs, beams, columns, lintel, chajja, fin, facia etc. by any means as directed by engr-in-charge including tapering all edges, making square shoulders of cavities air or sand blasting etc and cleaning of exposed concrete surface of lightly picking materials by air blasting or sand blasting incl foreign matrials , loose concrete/aggregate etc and disposal of all debris out of MOD land and complete all as specified and directed ( upto 12 storey of building) for 25mm average thickness for slabs/Chajja

All as per Item No 1 here in before but 40 mm average thickness for beams/Lintel

Removing of concrete all around reinforcement including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap)by manual methods (using wire brushing ,chiselling etc) and applying alkaline rust removing chemical followed by removing rust including from behind the reinforcing bars by emery paper and cleaning the area throughly by water and allow it to dry all as per manufacturer,s instruction to give it a totally rust free finished steel surface complete all as specified and directed ( upto 12 storey of building) ( Make : SIKA/FOSROC/HINDCON) any dia of bars

M & L for providing single coat of epoxy bond adhesive of prepared non metallic surface (existing surface) and applying by brush all as per manufactures instruction/specification. The bonding agent shall have minimum compressive strength of 40 N/Sqmm and complete all as specified and directed ( upto 12 storey of building) ( Make : SIKA/FOSROC/HINDCON/)

Supply and application of Epoxy Zinc rich primer on the prepared steel surface of any dia of bars by brush the primer shall have a minimium specific gravity 1.75 minimum weight film thickness/coat 40 microns and minimum adhesive bond strength with steel is 1.5N/mm2 complete all as specified and directed ( upto 12 storey of building).( Make ; SIKA/FOSROC/HINDCON) .

M & L for introducing new reinforcement bars for structural connection in RCC beams, columns, lintel and slabs including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150mm and upto 200mm including power drilling,fixing the reinforcement in position using welding/epoxy, cleaning of loose dust by blowing air, sealing with epoxy cartridges etc all as specified and directed ( upto 12 storey of building). upto 12 mm dia bar

M & L for introducing new reinforcement bars for structural connection in RCC beams, columns, lintel and slabs including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150mm and upto 200mm including power drilling,fixing the reinforcement in position using welding/epoxy, cleaning of loose dust by blowing air, sealing with epoxy cartridges etc all as specified and directed( upto 12 storey of building). above 12 mm dia bar

M & L for providing and placing in position free flow non shrink cementitious micro concrete of Grade of M-50 to the effected beam, column etc . The micro concrete shall have a minimium 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minium tensile strength 5N/mm2 @ 28 days, minimium flextural strength 5N/mm2 @ 28days and complete all as spd and dir( upto 12 storey of building).( Make: SIKA/FOSROC/HINDCON) 40 mm average thickness of Beam/lintel.

Supply, mixing and application two component structural grade polymer modified reinstatement morter, where local spalling has taken place or shuttering is not possible . The morter can be applying in layers not exceeding 6mm thick in each layer in and upto any thickness in smaller vertical pockets and upto any thickness in horizontal applications. The mortar should have a minimium compressive strength 12N/mm2 in 1 day and 45N/mm2 in 28 days. Minimum flexural strength should be 8 N/mm2 in 28 days. A modified styrene butadience emulsion for use as a bonding aid and gauging liquid for cementious system to be mixed with cement slurry before the application of modified polymer mortar to be used @ 6 ltr/bag of cement. The bonding agent should have minimium compressive strength 24N/mm2. Minimum tensile strength 3.5N/mm2, minimium flexural strength 6.5N/mm2 complete all as spd and directed upto 25 mm average thickness and( upto 12 storey of building). Make :- SIKA/FOSROC/HINDCON) NOTE:- Cement and sand morter in proportion of 1:2 graded coarse sand ) with polymer admixed in proportions)

M & L for applying curing compound over concrete surfaces as per manufactures instruction complete all as spd and dir upto 12 storey high.Make :- SIKA/FOSROC/HINDCON

M&L for hoisting, assembly and fixing of double layer steel scaffolding to external perimeter of building duly cross braced and properly aligned for the functional aspect and safety of the building including dismantling, shifting & removal from site complete all as specified and as directed .( upto 12 storey high building) Note: - Elevational area of the building shall be measured for payment of scaffolding.

Use and waste of formwork to sides of column, pillars, posts, stanchions for rough foinished surface complete all as specified and as directed .(upto 12 storey of building)

Use and waste of formwork to sides and soffit of beams, lintels, cantilevers, shelves etc for rough finished surface complete all as specified and as directed .(upto 12 storey high of building)

Use and waste of formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railing horizontal or sloping and similar work exe 5 cm but not exe 10 cm thick completeall as specified and as directed .(upto 12 storey High of building)

Dismentling floor hearth or wall tiling including cement mortar bedding (But not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and as directed. ( upto 12 storey of building)

Material and labour for glazed ceramic tiles coloured on vertical surface 450X300X7mm thick,over 10mm thick rendering in Cementmortar 1:4 Set and jointed in neat cement slurry and pointed in whire or coloured cement to match, complete all as specified and as directed (upto 12 storey bldg).

Material and labour for coloured non skid ceramic tiles 7-8 mm thick (square/rectangular), area of each tiles exc 0.11 Sqm but n exc 0.18 Sqm in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match over 15mm thick screed bed or bedding layer of cement mortar (1:6) finished even and rough to receive the top layer. complete all as specified and as directed (upto 12 storey bldg)

M&L for coloured non skid ceramic floor tiles area of each tile exc 0.06 but n exc 0.11 sqm set and jointed in neat cement slurry and pointed in white or coloured cement to match over 15mm thick screed bed with CM (1:6) complete all as specified and as directed.

Material and labour for Granite(of any type) 18-20mm thick slab laid on floor machine cut, bedded & jointed with grey cement slurry & pointed with white cement with admixture of pigment to match the shade of granite stone over 15 mm thick screed bed in cement mortar (1:6) including grinding & polishing complete. complete all as specified and as directed (upto 12 storey bldg).

M&L in repair suspended false ceilling system using chicogo metalic (E grid) exposed suspende system, grid section size 600mm x 600mm comprising of GI powder coated main runner of dimension 39 mm x 24mm x 0.80mm thick ( thickness comprising of GI/0.4+ PPPCGS/0.3mm & weight of Runner 1.35 kg for 3600mm length) Cross Tee of dimensions 29mm X 24mm x 0.8 mm thick wall angle 22.2mm x22.2mm x 0.65 mm thick ( thickness comprising of GI/0.35 + PPPCGS/0.3 mm & Weight of angle 0.70 kg for 3050 mm length) with and including 4mm thick HPSC ( High pressure steam cured) pre- primed, self embossed textured designer board, water resistant termite resistant, fire resistant for insulation and accustic purpose to be placed in the grid system duly suspended with 2 mm dia G I bars hangers fixed with steel dash through fasteners from purlins of the roof with butterfly clips (Wt- 0.007 Kg/clip) hold down clips (Wt - 0.0035 Kg/clip) with Provn of light fixture including taking down u/s one, complete all as specified and directed. (Make- EVEREST or equivalent make as approved by GE).

Taking down eaves gutters and rain water pipes ,cast iron pipes(any size or pattern), including all fittings, heads, shoes, bends, swan-necks, reinforced concrete drain pipes etc., including cleaning or refixing or removal to Store (measured overall length as fixed along the centre line over fittings and accessories) complete all as specified and as directed.

Supply and Fixing PVC (SWR)110 mm bore pipes single socketed in any length with rubber ring joints and fixed to wall complete all as specified and as directed.

Supply and Fixing 110 mm bore PVC (SWR) junction single, (single T) equal or unequal provided with access door complete all as specified and as directed.

Supply and Fixing 110 mm bore PVC (SWR) bends any radius including necessary cutting in brick wall and making good to match with existing surface complete all as specified and as directed.

S&F in repair CPVC pipes 20 mm outer diameter of SDR 11 & plain CPVC SDR 11 fittings as concealed/or surface wiring in walls, ceiling, floor, etc. including taking up/down u/s 15mm dia GI/20mm CPVC pipe and including suitable working platform upto 12 storey of bldg complete all as specified and directed.

S&F CPVC 20mm bore Brass elbow complete all as specified and directed

S&F CPVC 20mm Brass Tee complete all as specified and directed

S&F CPVC 20mm MTA/ MBTA complete all as specified and directed

S&F in repair vitreous china wash hand basin, white, flat back, size 550mm x 400mm, exc chain and plug and porcelain stopper but including cutting for and pinning in ends of and including brackets, waste pipe & CP brass waste coupling of 32mm dia complete all as specified and directed. Note : Rate quoted under this item deemed included fixing of taps, plug and chain and connecting up to supply pipes, wastes or traps etc.

S&F in repair PVC valveless, symphonic action type low level flushing cistern white with inlet ball valve, float and handle including brackets, 10 ltr capacity complete with flush pipe(Long bend) 32mm dia complete all as specified & directed.

S&F in repair 15mm bore CP angular valve,with crutch handle, screwed for iron pipe or for brass ferrule and fixed of following size complete all as specified and directed

S & F in Repairs 15 mm Dia CP Bib taps, with crutch handle, screwed down, screwed for iron pipe or for brass ferrule and fixed .

S & F in Repairs 15 mm Dia CP stop cock(cocealed type) , with crutch handle, screwed down, screwed for iron pipe or for brass ferrule and fixed .

S&F in repair 15 mm bore CP pillar taps, with capstan heads, chromium plated, Fancy type screwed down for pipe, high pressure ,complete all as specified and directed.

S&F in Repairs CP Towel rail 900 mm long 20mm dia fixed with and including chromium plated brass screws & wooden/plastic cleats.

S & F in repair stainless steel toilet paper holder fixed with cp screws in wall ,complete all as spd and directed

S & F in repair Sheet glass shelf assembly consisting of 5.5mm thick sheet glass shelf 12cm wide with chromium plated bracket guard and railing 60cm long complete all as spd and directed.

S&F in repair for 25 mm curtain rod fancy type Mild steel chromium plated with fancy brackets and knobs complet all as spd and directed.

M&L for 25mm thick PCC 1:2:4 type 'B-0' using 12.5 mm graded crushed stone aggregate finished with even and smooth without using extra cement for padding concrete with minimum thickness of 25 mm with a slope of 1:40.

M&L for 10 mm thick rendering in cement mortar 1:4 mixed with Water Proofing Compound as per manufacture's instructions and top surface of rendering finished even and smooth to recieve water proofing treatment complete in all respect as spd. Note : Water Proofing Compound shall be measured and paid separately.

M&L cutting out cracks to "V" section in existing roofs of terracing cleaning out, wetting, grouting, with cement sand slurry 1:3 complete in all respect as spd and directed.

M&L for water proofing treatment to surfaces of roof slab of building (9 storey and upto 12 storey of building) in following sequence including demolition and removal of existing surfaces complete all as specified and directed :- Supply and laying 3mm thick non woven polyester reinforced APP modified WP membrane (Super Thermolay of M/s STP Ltd or equivalent) of 160 GSM spun bonded material in core and weighing not less 3.6 kg/sqm. One coat of bituminous primer ( ShalitTex Primer of M/s STP Ltd) shall be applied to the newly prepared concrete surface @ 0.3 Ltr/sqm overlaid by APP membrane using LPG torch application method and applying uniform pressure with a roller/wet cloth to remove entrapped air, if any. The overlap joint shall be 100mm in transverse direction and 75 mm in longitudinal direction. The membrane shall be finally painted on top with using Super Silver Shield of M/s STP Ltd or equivalent make @ 0.10 ltr/sqm complete all as specified and directed.

Demolition of cement concrete of any description and in any position not otherwise specifically provided for .(upto 12 storey High of building)

Demolition of Brickwork quoins,arches,pillars etc but excluding ashlar facings,dressed all store work and precast concrete articles built in cement mortar.(upto 12 storey High of building)

M&L for brick work with sub class 'B' bricks built in cement mortar 1:6 straight or curved on plan exceeding 6 mtr mean radius and all as directed.(upto 12 storey High of building)

M&L for Brickwork with sub-class `B’ bricks, straight or curved on plan to any radius in half brick thick walls built in CM (1:4) .(upto 12 storey High of building)

Taking down cement plaster including raking out joints, hacking for key, scrubbing down with water etc including necessary scaffoldings complete all as specified and directed.

M&L for Rendering 10mm thick in (1:3) cm on fair faces of ceiling and finish smooth without using extra cement including necessary scaffoldings complete all as specfied and directed.

M&L for Rendering 15mm thick with CM (1:6) on of brick work or concrete surfaces finished even and smooth without using extra cement including necessary scaffoldings complete all as specified and directed.

All as per item No 49 here in before but in CM (1:4) complete all as specified and directed.

M&L for one coat of white wash on old decorated surface of wall incl preparation and necessary arrandement for working platform complete all as specified and directed (upto 12 storey bldg).

All as per item No 51 here in before but on ceiling

M&L for one coat of acrylic distemper (white or coloured as per site reqmt) on old decorated surface of internal walls incl preparation and necessary arrandement for working platform complete all as specified and directed (upto 12 storey bldg). Note : No separate payment shall be made for colour of distemper where required or as specified and directed . Cost is included in unit rate.

M&L for one coat of synthetic enamelled paint on old decorated wooden surface exc 10cm width or girth including preparation and necessary arrandement for working platform complete all as specified and directed (upto 12 storey bldg).

All as per item No. 54 here in before but on old decorated steel surface.

M&L for complete removal of existing treatment on walls including washing / rubbing down with water and applying two coats of acrylic distemper (white or coloured as per site reqmt) over three coat of birla wall care putty and a coat of primer incl necessary arrandement for working platform complete all as specified and directed (upto 12 storey bldg). Note : No separate payment shall be made for colour of distemper where required or as specified and directed . Cost is included in unit rate.

M&L for applying 3mm thick birla wall care putty or equivalent (each layer n.exc 1mm thick) on new plastered surfaces etc incl necessary arrandement for working platform complete all as specified and directed (upto 12 storey bldg).

Material & Labour for two coat acrylic distemper (white or coloured as per site reqmt) over one coat of priming chalk whiting on new or previously untreated plastered surfaces incl preparation of surface and incl necessary arrandement for working platform complete all as specified and directed (upto 12 storey bldg). Note : No separate payment shall be made for colour of distemper where required or as specified and directed. Cost is included in unit rate.

M&L for Machine cut kota stone slab flooring in steps 20-22mm thick over 15 mm thick cement screed bed in CM 1:6 laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing etc complete all as spd and as directed. (upto 04 storey high building)

S&F in repair Kitchen plate rack of steel 1mm thickness size 900 x 900x 250mm of weight not less than 8 Kgs complete all as specified. (upto 12 storey bldg).

M&L for one coat of weather proof exterior emulsion paint (Anti Fungal) (white or coloured as per site reqmt) on old decorated surface of of external walls incl preparation to remove all foreign materials and necessary arrandement for working platform complete all as specified and directed (upto 12 storey bldg). Note : No separate payment shall be made for colour of distemper where required or all as specified and directed. Cost is included in unit rate.

BHASKAR SUPPLY AGENCY

ESS PEE UDYOG

DIPAK ENTERPRISE

DK Contractor

SK CONSTRUCTION SYNDICATE & ENGG CO

CHATTERJEE CONSTRUCTION

M/S AVIJEET INTERNATIONAL