General Painting of Annexe Building,Substaff Quarters and Boundary Wall of BMOP RBI Kolkata

BoQ

A) Providing & Applying two or more coats of approved shade premium exterior quality 100% acrylic emulsion elastomeric paint of Apex Ultima Protek of Asian Paint, Weathershield Elastomeric PU of ICI paint, WeatherCoat Longlife 10 of Berger or approved equivalent with polymer & fungal resistance,crack bridging ability,Alkali attack resistant,having low VOC content to walls, beams, columns, chajjas,jaffris ceilings, fins, terrace parapet walls,terrace,garrage etc surface at all height & level, as per manufacturer's specification including providing and fixing double bamboo/steel scaffolding for repairing and repainting as per site feasibility for carrying out the work at all heights and level, all leads & lifts, cleaning of site on daily basis, removal of debris outside the Bank's premises etc. complete all as directed by the Bank's Engineer.The Quoted rate shall include followings: (i) Preparation of surface as per Bank's specification : During the repainting works proper surface preparation/ through scrapping of old paint and the surface to be prepared for painting as per manufacturer's specification by quality workmanship must be ensured, opening the visible cracks of plaster in "V" shape and filling the same with polymerized mortar including application of bond coat as per manufacturer's specification while filling the cracks shall be provided, wherever required, etc, 1st coat of approved paint & primer shall be applied only after site inspection and approval of surface preparation by Bank's engineer supervising the works & there is no unevenness/undulation/ and the surface is smooth and ready to receive prime coat/1st coat of paint. (ii) Providing and applying one coat of recommended alkali and fungus resistant primer of approved manufacturer (as applicable for existing paint even at some places on newly plastered surfaces, as per site requirement) and two or more coats of premium exterior quality 100% acrylic emulsion paint with polymer & fungal resistance of Apex Ultima Protek of Asian Paint, Weathershield Elastomeric PU of ICI paint, WeatherCoat Longlife 10 of Berger or approved equivalent and shade over the prepared surface of walls, beams, columns, chajjas,jaffris,ceilings, fins, terrace parapet walls etc., as per manufacturer's specification including scaffolding etc complete. (iii) Removing of stain from floor, glass pane, elecrical fittings etc., carting away debris out of premises complying the statutory norms etc. all complete as directed by Bank's Engineer-in-charge (iv)The rate shall be inclusive of providing & applying one or more coats of white cement slurry or white cement paste or approved equivalent water-proof cement coating recommended by paint manufacturers on newly made plastered surfaces, wherever required (v)Providing & Applying approved make & shade Synthetic Enamel Paint to steel surface viz. outside of all MS windows, window grills, weld-mesh,rolling shutter,steel doors and other steel works etc., at all height & level, as per manufacturer's specification The Quoted rate shall include following (a) Preparation of surface as per Bank's specification : During the repainting works proper surface preparation/ through scrapping of old paint and the surface to be prepared for painting as per manufacturer's specification by quality workmanship must be ensured, 1st coat of approved paint & primer shall be applied only after site inspection and approval of surface preparation by Bank's engineer supervising the works & there is no unevenness/undulation/ and the surface is smooth and ready to receive prime coat/1st coat of paint. (b)Providing and applying two or more coats of 1st quality synthetic enamel paint over one coat of zinc chromate metal primer to steel work, viz. either sides of all MS window, windows grills, weld-mesh and other steel works etc., all as per specifications including surface preparations, etc., complete as directed. (vi) Providing and applying two or more coats of 1st quality synthetic enamel paint to wood work of approved manufacturer and shade over a coat of wood primer to wooden surfaces in doors, windows,louvers etc. as per specifications including double scaffolding at all heights and level, surface preparation, applying putty wherever required, cleaning etc. completed. (vii)Two coats of 1st quality synthetic enamel paint/acrylic emulsion(exterior quality)/aluminum paint etc to GI/Cl,PVC pipes,switch boards ,MS ladder, joists of overhead tanks, ms grills, jallies/gratings , street light poles,Flag masts etc. Approx 150 sqm area Note1 :The rate shall include for erecting and removing bamboo/steel scaffolding or any other appropriate safe means for the painting,repairing for entire area at all heights,necessary safety measures such as covering with adequate safety net,dust protection cloths, covering the windows with ply during repair work,usage of protective safety gears by the workmen including safety helmet ,safety belt.Note 2: The work of repainting shall be carried out with highest standard of workmanship in periodic supervsion & may also be supervised and monitored periodically by the approved paint manufacturers's technically expert /representative during the execution of work. The surface shal be prepared as per approved make paint maufactureres specifications & shall be inspected and got approved by Bank's Engineer before applying primer & succeeding coats of premium acrylic emulsion paint as per list of approved materials.Note 3:(i). Bidding Contractors are advised to inspect the site and get themselves acquainted with the quantum & scope of the work before quoting their rates as per the schedule of quantities. For the convenience of the bidding contractors, a summary of tentative quantities of various items & sub items & activities of work are given in the enclosed Annexure- X.The rate & amount for the quoted item as per items units mentioned in Schedule shall be worked out themselves by the bidding contractor. The bidding contractors are advised to inspect the site and ascertain their actual quantities before arriving and quoting their rates as per Schedule of Quantities. No claim of difference variations in indicative & actual quantities will be accepted by the Bank after the award of work.(ii). Measurments shall be made for the respective items as per their units mentioned in the schedule of quantities and payment accordingly as per the item rate quoted by the contractors against these items .

New Plaster patch repairs : (i) Carefully removing existing damaged plaster on masonry/concrete members with chisel and hammer in patches such that the masonry/ concrete structural/ nonstructural RCC element underneath the plaster is not damaged. Plaster shall be removed along with visible traces of cement/lime and surface thoroughly cleaned with wire brush as required and concrete surface shall be hacked wherever required, to receive plaster& proper bonding surface.(ii)Providing and applying approved make Ready Mixed Plaster 12mm avg thick (as per the site requirement to match existing surrounding surface) complete as per manufacturer's specification at all height & level including providing & applying neat cement slurry, cleaning, curing, etc.(iii) Providing and applying one or more coats of white cement over the new plastered surface to achieve smmothness.The rate shall be inclusive of double scaffoldingor any safe means ,carting away the debris out of the premises, etc. all complete as directed by Bank's Engineer.

REPAIRING WORK WITH POLYMER MODIFIED CEMENT MORTAR Repairs to the RCC members such as beams, columns, fins etc upto 25 mm average thickness using the approved make polymer repair chemicals as per the manufacturers specifications at all height & level ,complete as per manufacturer's specifications and Bank's engineer's instructions. The Quoted rate shall include followings: (i) Carefully dismantling by gentle chipping the cracked/loose, distressed concrete, loose to expose the hard/sound concrete surface (ii) Providing, mixing and applying bonding coat of required thickness ( as per manufacturer's specification) of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. The rate shall be inclusive of fixing of side wooden form work for vertical surface and horizontal surface of fins and offsets etc if required, carting away the debris out of the premises, etc. all complete as directed by Bank's Engineer. (iii) Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded manufactured sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge.

REPAIRING WORK WITH POLYMER MODIFIED PLAIN/REINFORCED CEMENT CONCRETE Repairs to the RCC members such as beams, columns, fins, offsets etc upto 50 mm average thickness (Thickness beyond 25 mm) using the approved make polymer repair chemicals as per the manufacturers specifications at all height & level ,complete as per manufacturer's specifications and Bank's engineer's instructions. The rate should be inclusive of shuttering and centering work if required. The Quoted rate shall include followings (i) Carefully dismantling by gentle chipping the cracked/loose, distressed concrete, loose to expose the hard/sound concrete surface (ii) Cleaning & treatment of existing reinforcement bars from rust to give it a total rust free steel surface by using alkaline chemical rust remover/paasivator of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per manufacturer's specification and direction of Engineer-In-Charge. (iii) Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members with ordinary portland cement, coarse manufactured sand and graded stone aggregate of 10mm maximum size with specified average thickness. The rate shall include Providing, mixing and applying bonding coat of required thickness( as per manufacturer's specification)of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. The rate shall be inclusive of carting away the debris out of the premises, etc. all complete as directed by Bank's Engineer. (Thickness beyond 25 mm) up to 50 mm average thickness

Providing of new reinforcement with proper lapping/welding wherever the diameter of the existing reinforcement is found reduced more than 15% of the original or entire damaged. The reinforcement may be of 8 mm. 10 mm. & 16 mm. dia. Tor HYSD bars mentioned in IS Code 456:2000 and should confirm to high strength deformed steel bars as per IS 1786. The rate should include cutting, bending, binding with G.I. wire and placing in proper position as directed by Bank’s Engineer. Rate should include cost of all material and labour for all operations and item should be executed as per direction of Bank’s Engineer.

Uprooting and removing vegetation/ plants sapling growth from the surface of walls/ parapets etc. at all height and levels and making good the damages by specialised repair after necessary acid/ chemical treatment all complete as directed by Engineer-in-charge.

Glass Putty: Replacement of damaged/uprooted glass putty from the existing steel window shutter and providing & fixing new glass putty around the existing glass panes wherever required including fixing of existing / new glass panes wherever required. The rate is inclusive of the cost of materials, labour, scaffolding etc. all complete as directed by the Bank’s Engineer.

Glass Panes: Replacement of damaged/broken glass panes from the existing window shutter by removing the wooden beading / glass putty etc. and fixing the new glass panes with help of glass pins including providing new glass putty around the newly provided glass panes wherever required for steel window shutter & refixing the existing wooden beading after fixing of new glass panes for wooden window shutters. Exposed measurement to be taken. 4mm thick plain glass panes with steel window shutter.