REPAIR AND MAINT TO ROOFING CEILING COLUMNS CHAJJA FINS FACIAS RAIN PIPES FLOORING AND PLUMBING ITEMS FOR CENTRAL INSTITUTES OFFRS MD ACCN AND MAP QTRS AT SALT LAKE UNDER GE N KOLKATA

Amount

Taking down/dismantling loose/damage concrete including plaster of any description and in any position from RCC structures like chajja, fins, roof ceiling,louvers, parapet, column, beam, and of lintel by hammering with wooden mallets carefully chipping off the old concrete surface with necessary scaffolding including cutting of rusted reinforcement if so required and disposal of old debris to outside the premises complete all as specified and as directed.

Cleaning the existing surface of concrete and reinforcements as obtained after execution of item No. 01 here in before by wire brush including scrapping & cleaning with emery paper or by air blasting or sand blasting incl foreign matrials , loose concrete/aggregate etc and washing down with water as required complete all as specified and as directed.

Material and labour for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending lapping etc as required and welding with existing bar complete all as specified and as directed

Material and labour for mild steel TMT bars 6 to 8mm bar, cut to length, bent to shape required, including cranking, bending, lapping etc as required and welding with existing bar complete all as specified and as directed.

Material and labour for mild steel TMT deformed bar or twisted bars upto 10mm dia as in stirrups cut to lenth bent to shape required including cranking ,bending etc and lapping ,welding as directed to the existing one complete all as specified and as directed. Make for item Nos. 3 to 5:- Rinl / Sail / Tisco/JAI Balaji industries ltd / Shyam Steel industries Ltd. / SPS stell rolling mills ltd / SRMB Srijan Pvt Ltd / Electrosteel steels ltd / Shyammetallics and energy ltd / Jindal.

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 by Engr-in-charge.

Supply and application of Epoxy Zinc rich primer on the steel surface 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 including cleaning and removing loose concrete from steel surface complete all as specified and directed by Engr-in-charge.

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 by Engr-in-charge.

Supply, mixing and application two component structural grade polymer modified reinstatement mortar, 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 by the Engr-in-charge upto 25 mm average thickness . Make for item Noss. 6 to 9:- Fosros / Sika / any reuted make as approved by the GE.

Use and waste of formwork to sides of pillars, posts, struts, piers, columns and stanchions for rough finished concrete surfaces complete all as specified and as directed.

Use and waste of formwork to sides of sides and soffits of beams, lintels, floors etc. for rough finished concrete surfaces complete all as specified and as directed.

Use and waste of formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar works n.exc. 200mm thick etc for rough finished concrete surfaces complete all as specified and as directed

Use and waste of formwork to fins, facia, louvers. parapet, chajja etc for rough finished concrete surfaces complete all as specified and as directed

Material and labour for 5 mm thick plastering in CM (1:3) on concrete surfaces as in sides of column, lintel, beam, chajja, facia, railing, RCC wardrobe etc including finish the surface even and fair without using extra cement complete all as specified and as directed

Taking out old unserviceable floor, hearth or wall tiling including cement mortar bedding (but not backing and rubbish off the premises complete all as specified and as directed

Material and labour for Non-skid ceramic coloured tiles 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but n.exc. 0.18 sqm as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles over and including 15mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for coloured Glazed ceramic tiles in vertical surface area of tile not less than .16 Sqm, each X 7mm thick set and jointed in neat cement slurry and pointed in white or colour cement to match in skirting/dados etc over and including 10mm thick rendering in CM(1:4) complete all as specified and as directed. Make for item Nos. 16 & 17:- Kajaria / Asian Granito / Somany / VamoraGranito / Nitco / Orient.

Material and labour for Light shade Vitrified tiles 10mm thick (square/rectangular) polished, area of each tiles exc. 0.18 sqm but n.exc. 0.36 sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 20mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for Light shade Vitrified tiles 10mm thick (square/rectangular) polished, area of each tiles exc. 0.18 sqm but n.exc. 0.36 sqm in skirting etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM (1:4) complete all as specified and as directed. Make for item Nos. 18 & 19:- Somany / AsianGranito / Nitco / Orient / Kajaria / varmoraGranito Pvt Ltd .

Dismantling of asbestos cement (corrugated, semi corrugated, etc.) sheets in roof coverings etc.complete all as specified and as directed.

Supply and fix pre-painted galvalume zinc coating GI based corrugated steel sheet 0.45mm thick (base metal thickness) of any colour having tensile strength of 550 MPA as in roof covering,fixed with using hot dip galvanised self drilling and self tapping screws complete all as specified.(Make of galvalume sheet -M/s Tata Bluescope Steel Ltd (colorbond steel) or equivalent in M/s JSW Steel Ltd/M/s Ispat Industries Ltd/M/s Bhusan Power and Steel Ltd Note: Sheet shall be coated with hot dip alloy of 55% aluminium 43.50% zinc 1.50% silicon,and finished with resin coat on both surfaces @ 150gm/sqm of coating (total both surfaces) complete all as specified and as directed. Make:- M/STata Bluescope steel ltd. (colorbond steel) or equivalent in M/S JSW Steel Ltd / M/S Ispat Industries Ltd./ M/S Bhusan Power & Steel Ltd. ) /Sshivshakti Fibre Udyog (Roofitt) / M/S Prestar Infrastructures projects LTD./ Jindal

Dismantling wall and ceiling board ( fibre, pulp, insulation etc.) or insulation boards/slabs/blankets, any thickness, including cover fillets etc.

Supply and fix Anodised aluminium snap grid frame work size of grid 605mmx605mm for false ceiling including GI hangers 6mm dia GI wire (upto 1200mm length) adjusting level fixed to roof slabs by means of ceiling cleats made out of GI flat 40x3mm size 60mm long and expansion hold fasteners 12.5mm dia 40mm long complete all as specified and as per manufacturers instruction, Make:- Jindal / Hindalco / Indalco.

Supply and fix of 6mm thick high pressure steam cured non asbestos fibre cement designer ceiling board of size to suit grid mould (605 x 605mm as specified above) and fix in grid mould with necessary fixing arrangement as per manufacturer’s instruction complete all as specified and directed. (Make : Everest / Rhino / Charminar).

Taking down cement plaster of any description on brick walls including raking out joints, hacking for key, scrubbing down with water complete all as specified and as directed.

Material and labour for 20mm thick plaster in cement mortar (1:4) in two layers, i.e 10mm thick in each layer, top layer mixed with integral water proofing liquid admixture as per manufacturers instruction on brick or concrete surfaces of wall finished the surface fair and even complete all as specified and as directed. Note :- WPC shall be measured and paid separately.

Material and labour for rendering 15mm thick in cement mortar (1:6) on fair faces of brickwork or concrete surfaces, finished the surface even and smooth without using extra cement complete all as specified and as directed.

Supply only integral water proofing liquid admixture for concrete and mortar. Make:- Sika /Pidilite / CICO No 1 / ACCRO No 1 /FOSROC

Material and labour for rendering 05mm thick in cement mortar (1:3) on concrete surfaces in ceiling and finished the surface even and smooth without using extra cement complete all as specified and as directed.

Material and labour for preparation of new plastered surfaces of ceiling and applying three coats of white wash complete all as specified and as directed. Make for lime:- Suryacem / Katni lime / Birla white.

Material and labour for preparation of new plastered surfaces of wall and applying two coats of cement base paint, first quality, over a coat of alkali resistant primer complete all as specified & directed. Make:- Asian / Berger / Jenson & Nicholson / Shalimar.

M&L for applying wall care putty , first quality,1.5mm thick and applying two coats of oil bound distemper, first quality, over a coat of alkali resistant primer to wall to new plaster surface complete all as specified and as directed.

Material and labour for complete removal of existing treatment of old plastered surfaces of wall including washing, rubbing down and stopping of old treatement and applying two coat of cement base paint,first qality, over a coat of alkali resistant primer complete all as specified & directed.

Material and labour for preparation of old treated plastered surfaces of wall by washing, rubbing down cement base paint surfaces of wall and applying one coat of cement base paint, first quality, complete all as specified and as directed.

Material and labour for complete removal of existing treatment of old plastered surfaces of wall including washing, rubbing down and stopping of old treatement and applying two coats of oil bound distemper over a coat alkali resistant primer and finished the existing surface with 1.5mm thick wall putty etc complete all as specified and as directed.

Material and labour for preparation of old treated plastered surfaces of wall by washing, rubbing down and stopping of distempered surfaces and applying one coat of oil bound distemper , first quality,complete all as specified and as directed.

All as per item No.36 above but in ceiling.

Material and labour for applying one coat of synthetic enamal paint, first quality to wooden surface exceeding 10cm widht or girth including preparation of old painted wooden surfaces complete all as specified and as directed.

Material and labour for applying one coat of synthetic enamal paint, first quality, on steel surface of any description over 10cm widht or girth including preparation of old painted surfaces complete all as specified and as directed. Make for item Nos. 32 to 39:- Asian / Berger / Jenson & Nicholson / Shalimar.

Material and labour for preparation existing treatment on plastered surfaces of walls including washing, rubbing down and stopping of old treatement and applying one coats of anti fungal paint complete all as specified and as directed. {Make : Asian (Apex ultima) or Berger (Weather coat long life) or eqvt brand of J&N)}

Material and labour for preparation of old treated plastered surfaces of wall and applying one coat of white wash complete all as specified and as directed. Make for lime:- Suryacem / Katni lime / Birla white.

All as per item No. 41 above but in ceiling.

Taking up or down 15mm dia steel tubing and connections, segregating serviceable pipe for reuse complete all as specified and as directed.

All as per item No. 43 above but 20mm dia.

Supply and fix 15mm bore medium grade galvanized steel tubes with all fittings and fixed to wall or in floors etc complete all as specified and as directed. Make:- Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal /Nezone/ M/S BST Infratech Ltd.

All as per item No. 45 above but 20mm dia.

All as per item No. 45 above but fixing only. Note: Serviceable GI pipe obtained from item No. 43 above shall be reused after cleaning.

All as per item No. 46 above but fixing only. (Note : Serviceable GI pipe obtained from item No. 44 above shall be reused after cleaning).

Supply and fix in repair bib taps of 15mm bore fancy type, chromium plated cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for brass ferrule complete all as specified and directed.

S&F CP Pillar taps 15 mm dia, cast copper alloy , with capstan heads, chromium plated , screwed down high pressure ,with long screwed shanks and fly-nuts , screwed for iron pipe and fixed in repairs. Make for tem Nos.49 & 50:- :- Parryware / Essco / Hindware / MarcRoca / Marc / Cera / Crabtree / BluestarMarc / Kohler / Grohe / Gem / Parko / ESS ESS / Lauret / Zoloto / M/S Plastocraft Sanitary ( India) Pvt Ltd ( Brand:- AGRANI./ M/SSomany ceramic Ltd. ( Ether) / Prayag / Shakti Enterprises.

Supply and fix in repair angular stop cock of 15mm bore fancy type, chromium plated with long shank and cup cast copper alloy, screwed down, high pressure, with crutch handle, screwed both ends for brass ferrule complete all as specified and directed. Make : Parryware / Essco / Hindware / MarcRoca / Marc / Cera / Crabtree / BluestarMarc / Kohler / Grohe / Gem / Parko / ESS ESS / Lauret / Zoloto / M/S Plastocraft Sanitary ( India) Pvt Ltd ( Brand:- AGRANI./ M/SSomany ceramic Ltd. ( Ether) / Prayag / Shakti Enterprises.

Supply and fix in repair chromium plated two ways bib cock with wall flange for fixing in 15 mm dia pipe complete all as specified and as directed. Make : Parryware / Essco / Hindware / MarcRoca / Marc / Cera / Crabtree / BluestarMarc / Kohler / Grohe / Gem / Parko / ESS ESS / Lauret / Zoloto / M/S Plastocraft Sanitary ( India) Pvt Ltd ( Brand:- AGRANI./ M/SSomany ceramic Ltd. ( Ether) / Prayag / Shakti Enterprises.

Supply and fix in repair health faucet (ABS body) with 8mm dia 1 meter long flexible tube and wall hook for fixing in 15 mm dia pipe complete all as specified and as directed. Make: Jaquar or equivalent. Make : Parryware / Essco / Hindware / MarcRoca / Marc / Cera / Crabtree / BluestarMarc / Kohler / Grohe / Gem / Parko / ESS ESS / Lauret / Zoloto / M/S Plastocraft Sanitary ( India) Pvt Ltd ( Brand:- AGRANI./ M/SSomany ceramic Ltd. ( Ether) / Prayag / Shakti Enterprises.

Supply and fix glass shelf 600mm long complete all as specified and as directed. Make: Parryware / Essco / Hindware / MarcRoca / Marc / Cera / Crabtree / BluestarMarc / Kohler / Grohe / Gem / Parko / ESS ESS / Lauret / Zoloto / M/S Plastocraft Sanitary ( India) Pvt Ltd ( Brand:- AGRANI./ M/SSomany ceramic Ltd. ( Ether) / Prayag / Shakti Enterprises.

Supply and fix toilet paper holder with flap recessed type (stainless steel) complete all as specified and as directed. Make: Parryware / Essco / Hindware / MarcRoca / Marc / Cera / Crabtree / BluestarMarc / Kohler / Grohe / Gem / Parko / ESS ESS / Lauret / Zoloto / M/S Plastocraft Sanitary ( India) Pvt Ltd ( Brand:- AGRANI./ M/SSomany ceramic Ltd. ( Ether) / Prayag / Shakti Enterprises.

Supply and fix in repair 15mm bore Bib tap (Minimum weight 90gms) standard of PTMT any colour high pressure screwed for iron pipe complete all as specified and as directed.

Supply and fix in repair 15mm dia Stop valve of PTMT any colour high pressure screwed for iron pipe and fixed (Minimum weight 90gms) complete all as specified and as directed.

Supply and fix in repair15 mm angle stop valve standard of PTMT any colour,high pressure screwed for Iron pipes and fixed.( Minimum weight should be 90gm). Make for item nos. 56 to 58:- M/S Prayag / Polytuf / M/S SakPlast Pvt Ltd./ Shakti Enterprises.

Suply and fix stainless steel sink made out of 1.00 mm thick sheet for kitchen with plug washers, waste pipe including bedding in cement mortar on dwarf wall or including cast iron cantiliver brackets connecting union overall size 495 X 420 mm with bowl size 410x330x160mm complete all as specified and as directed Make:- Blue star / Jayana / Nirali / Prayag.

Supply and fix in reapir vitreous China wash down water closet pan semi pedestal pattern(Anglo Indian type) , white including 'P'or 'S' trap (excluding flushing cistern and flush pipe) including connection to drain (or outgoing pipe) and to flushing pipe, antisyphonage pipe, etc.complete all as specified and as directed. Make:- NeycerKermag(standard) / Hindusthan Sanitary Ware (1st quality) / Parryware (superfine) / Cera (1st quality) / classica 1st /Standard) / Johnson Pedder. / Prayag

Supply and fix in repair 10 litre capacity PVC valve less, symphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and flush pipe of polyethylene of low or high density or PVC. 32 mm dia, for low level cistern including PVC connections 15mm size with PTMT nuts and washer both side of length 450mm complete all as specified and as directed. Make:-M/S Johnson Padder / Hindustan sanitary ware / Millennium / Cera / Blue Star Polymers (Speed Flow) / Commander (Water Bird) / Hindware(Sleek) / Parryware(Slimline) / Prayag / Shakti Enterprises

Supply and fix vitreous China wash basin white flat back, size 550 x 400 mm including PTMT waste coupling 32mm dia (min wt 45 gm), 15mm bore CP pillar tap,chain and plug and porcelain stopper etc. complete all as specified and as directed. Make:- NeycerKermag(standard) / Hindusthan Sanitary Ware (1st quality) / Parryware (superfine) / Cera (1st quality) / classica 1st /Standard) / Johnson Pedder. / Prayag

Supply and fix in repair Brass chromium plated Tubular Towel Rail , 20mm dia, D type, 600mm long between flange fixed with chromium plated brass screws complete all as specified and as directed. Make:- Kohler / Parryware / Grohe / Bluestar silver line / Shakti Enterprises..

Supply and fix in repairs grating doom 125mm dia of PTMT (Minimum wt 25 Gms) complete all as specified and as directed. Make:- M/S Prayag / Polytuf / M/S SakPlast Pvt Ltd./ Shakti Enterprises

Dismantling cast iron drain pipes, including fittings, 100mm, jointed in cement mortar obtained either from trenches/wall as required complete all as specified and as directed. Note : Excavation if required, shall be measured and paid separately)

Supply and fix 100mm bore cast iron (Sand cast pipes) soil, waste and vent pipes in any length with or without ears, with cement joints, fixed to wall with MS clamp complete all as specified and as directed.

Supply and fix 100mm bore cast iron bends (any radius), diminishing pieces or tapers (larger bore measured)/Tee complete all as specified and as directed

Supply and fix 100mm bore cast iron branch pieces, single (equal or unequal), ordinary or inverted (spigot or socket type) or with parallel branches complete all as specified and as directed.

Supply and fix 100mm bore cast iron cowls complete all as specified and as directed.

Supply and fix 75mm bore cast iron (Sand cast pipes) soil, waste and vent pipes in any length with or without ears, with cement joints, fixed to wall with MS clamp complete all as specified and as directed.

Supply and fix 75mm bore cast iron bends (any radius), diminishing pieces or tapers (larger bore measured) complete all as specified and as directed. Make for item nos. 67 to72:-AMC / ICC / Hepco / PIC / BIC / SON/ Jayaswal Neco Industries LTD

Supply and fix in repairs UPVC (SWR) pipe, including fittings, 110mm bore, type A, single socketed, in any length with rubber ring joints fixed to walls with and including PVC clip and including taking down existing rain water pipes complete all as specified and as directed.

Supply and fix UPVC bend/shoe/Tee 110mm dia all as specified and as directed. Make for item Nos, 73&74:- Prayag /Polytuf / Supreme / Prince / Reliance / Jain pipes / Finolex. / Kisan / M/S Fusion Industries LTd

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

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings nexc 15 cm thick (below or above ground level) complete all as specified and directed

Materials and labour for 75mm thick PCC (1:3:6) type C2 (using 40 mm graded stone aggregate) as in pavement/plinth protection , laid in bays and joints shall be filled up with bituminous gola with 80/25 bitumen ( 1 part of bitumen to be mixed with 3 part of sand and finished the surface fair and even complete all as specified & directed. Make for biumene:- STP / Tikitar / Choksy Chemicals.

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