RENOVATION OF DM PLANT BUILDING AT CPP

Amount

Scaffolding :Providing and fixing double scaffolding system (Cup lock type) on the exterior side, made with 40mm diameter M.S. tubes 1.5m centre to centre, horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tubes challies, M.S. clamps and M.S. Staircase system in the scaffolding for working platform etc and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever require for completion of work at required locations with essential safety features for the workmen etc complete as per the specifications and directions of Manager-In-charge.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. upto 50 mm thickness, with manual Chisel and/ or by standard power driven percussion type including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and removing loose materials around reinforcement with wire brushes/ air jet etc. and disposal of debris for all lead and lifts all complete as per the specifications and direction of Manager-In-Charge.

Providing and applying SBR Polymer modified cementitious bonding coat with Nitobond SBR Latex of Fosroc or equivalent product of Sika/ Pidilite/ BASF on chipped portion of RCC before the application of special repair mortar, all complete as per the manufacturer's specifications and direction of Manager-In-charge. Note: 1. Cement shall be mixed with specified proportion of the polymer as per the manufacturer's specification/ datasheet. 2. Cement shall be issued from Nalco store as a Free Issue material.

Providing and applying SBR polymer modified Cement mortar with Nitobond SBR Latex of Fosroc or equivalent product of Sika/ Pidilite/ BASF upto 25 mm thickness as per the specifications and directions of Manager-in-charge. Note: 1. The preparation of mortar shall be as per the manufacturer's specification/ material datasheet. 2. Cement shall be issued from Nalco store as a Free Issue material.

Providing and inserting 12mm dia galvanised steel/PVC injection nipple in honey comb area and/or along crack line including drilling of holes of required diameter & depth upto 300 mm at required spacing; making the hole & crack dust free by blowing compressed air; sealing the gap between hole and nipple with adhesive chemical of approved make and allow it to cure and subsequent cutting, removal & sealing of hole after grouting is completed, all complete as per the specifications and direction of Manager-In-Charge.

Providing and injecting low viscosity Epoxy injection grout Conbextra EP10 of Fosroc or equivalent product of Sika/ Pidilite/ BASF, in proportion as per the manufacturer's specification/ datasheet, into cracks/honey-comb area of concrete/ masonry by suitable gun/pump at required pressure including curing, all complete as per the manufacturer's specification and directions of Manager-in-Charge.

Providing and injecting Acrylic Polymer modified Cement slurry made with non shrink grout admixture Cebex 100 of Fosroc or equivalent product of Sika/ Pidilite/ BASF in proportion as per the manufacturer's specification/datasheet into cracks/honey-comb area of concrete/ masonry by suitable pressure grouting gun/pump at required pressure including curing, all complete as per specification and directions of Manager-in- Charge. Note: Cement shall be issued from Nalco store as a Free Issue material.

Cleaning of rust from the reinforcing bars to give it a total rust free steel surface by using chemical rust remover Reebaklens RR of Fosroc or equivalent product of Sika/ Pidilite/ BASF 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 the manufacturer's specifications/ material datasheet and direction of Manager-In-Charge.

Providing and applying two coats of anti corrosive treatment with Nitozinc Primer of Fosroc or equivalent product of Sika/ Pidilite/ BASF to the exposed reinforcement steel bars after cleaning the corroded steel bars (manually/ with rust remover) and drying , all complete as per the manufacturer's specifications and direction of Manager-In-charge.

Fixing of shear connectors (“L” shaped) of 10 mm dia and 125 mm embedding length in position by drilling suitable holes with power driven drill machine to a minimum depth of 100mm upto 200mm in RCC beams, lintels, columns and slabs etc. The shear connectors are to be provided in staggered pattern such that new reinforcement shall be properly fixed with the connector in position and subsequently anchored. The anchoring of shear connectors shall be done with suitable epoxy resin anchor grout Lokfix of Fosroc or equivalent product of Sika/ Pidilite/ BASF as per the manufacturer's specification/ datasheet, excluding the cost of reinforcement, all complete as per specifications and direction of Manager-In-Charge. Note: Steel shall be issued from Nalco store as a Free Issue material.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position by binding and welding as per site conditions, all complete as per specifications and direction of Manager-In-Charge. Note: Steel shall be issued from Nalco store as a Free Issue material.

Providing and applying Epoxy bonding agent Nitobond EP of Fosroc or equivalent product of Sika/ Pidilite/ BASF on chipped portion of RCC before micro concreting to have perfect bond between old and old concrete surfaces after cleaning of old concrete surface using nylon/wire brushes etc, all complete as per manufacturer's specifications/ material datasheet and directions of Manager-In-charge.

Providing and placing in position Micro-concrete Renderoc RG (S) of Fosroc or equivalent product of Sika/ Pidilite/ BASF of minimum compressive strength of 35 MPa at 7 days, which shall be cement based prepacked single component, chloride free, non- shrink, free flow, self compacting, ready to use after mixing water in specified proportion as per the manufacturer's specification/ datasheet. Curing to be done for minimum 15 days by use of curing compound, all complete as per the specifications and directions of MIC.

Providing and fixing good quality slurry tight form work / jacketing for micro concreting that will not deform or leak when subjected to hydraulic pressure imposed by the micro concrete, using shuttering ply wood/steel plate of any shape and size for all type of RCC work above plinth level including strutting, racking, propping etc. keeping the same after specified period etc. for all depth and heights complete as per the drawing/ specification and directions of manager in charge.

Grading roof for water proofing treatment with cement concrete 1:2:4 (1 cement: 2 sand: 4 graded stone aggregate 10 mm size) with Sika / Fosroc or equivalent water proofing compound, all complete as per the manufacturer's specifications and directions of M-I-C. Note: Cement shall be issued from Nalco store as a Free Issue material.

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated of 4 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of solvent based bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture. Over the primer coat the layer of membrane shall be laid using Butane Torch / LPG torch and applying uniform pressure with roller to ensure the removal of entrapped air, sealing all joints, complete finishing at openings / rain water down comer pipes, etc, and preparing the surface complete in all respect including dismantling of old waterproofing work, cleaning the surface by manual means with wire brush, chisel etc. to make the surface free from foreign particles, disposal of debris from roof to GL lead upto 100 mtrs. The vital minimum physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 500N/5cm. Tear strength in longitudinal and transverse direction as 350/300N. Softening point of membrane not less than 150°C. Cold flexibility shall be upto -5°C when tested in accordance with ASTM, D - 5147 and other parameters as per specifications.

Painting with Two or more coats of Acid Alkali Resistant paint with Nitocote EN901 of Fosroc or equivalent product of Sika/ Pidilite/ BASF to give an even shade as per the manufacturer specifications and directions of MIC.

Removing white wash / colour wash by scraping of wall surface by using scrapers / wire brushes / sand paper to remove scales, dusts etc., preparing the surface smooth, necessary repair to scratches, including cost of labours, tools and tackles, scaffolding etc. complete for all heights as per the specification and direction of MIC.

Providing and applying two or more coats of white washing of Maruthi Gold brand on old work with lime thoroughly slacked on the spot, mixed and stirred with sufficient water to make a thin cream which shall be allowed to stand for a period of 24 hrs and then shall be screened through a clean coarse cloth and adding further ingredient in a proportion of 1kg lime : 20 gm gum (sirisa) : 3 grm Indigo (Neel) : 5 ltr of water to give an even shade, including cost of labours, tools and tackles, scaffolding etc. complete for all heights as per the specification and the direction of MIC.

Removing dry or washable distemper, cement paint etc. by scrapping of wall surface by using scrapers / wire brushes / sand paper to remove scales, dusts etc. preparing the surface smooth by filling surface imperfections such as holes, dents, cracks etc. by approved crack filling material all complete including cost of material, labours, tools and tackles, scaffolding etc. complete for all heights as per the specification and direction of MIC.

Providing and applying two or more coats of 1st quality Acrylic washable distemper, Tractor brand of Asian paints Ltd. or equivalent paint of Berger/ ICI paints, of approved shade (if required existing colour shade may be changed with a different colour) on old work to give an even shade, including cost of labours, tools and tackles, scaffolding etc. complete for all heights as per the specification and direction of MIC.

Supplying and applying Wall putty of Asian paints or equivalent with 2mm thickness over the surface of the wall to prepare the surface even and smooth including cost of labours, tools and tackles, scaffolding etc. complete for all heights as per the specification and direction of MIC.

Supplying and applying one coat of primer Deco Prime Solvent thinnable of Asian Paint Ltd. or equivalent paint of Berger/ ICI paints, over the surface of the wall including cost of labours, tools and tackles, scaffolding etc. complete for all heights as per the specification and direction of MIC.

Providing and applying two or more coats of 1st quality interior Plastic emulsion paint i.e. Royale Shyne of Asian Paints or equivalent paint of Berger/ ICI Paints of approved shade (if required existing colour shade may be changed with different colour) on old work to give an even shade, including cost of labours, tools and tackles, scaffolding etc. complete for all heights as per the specification and direction of MIC.

Supplying and applying two coats of Exterior primer water thinnable of Asian Paint or equivalent paint of Berger/ ICI paints, over the surface of the wall including cost of labours, tools and tackles, scaffolding etc complete for all heights as per the specifications and directions of MIC.

Supplying and applying two or more coats of Exterior plastic emulsion paint APEX ULTIMA of Asian paints/ Weather coat All Guard of Berger/ Weather shield Max of ICI paints of any approved shade to exterior surface including cost of labours, tools and tackles, scaffolding etc. complete for all heights as per the manufacturer specifications and direction of MIC.

Providing and applying one coat ready mixed red oxide zinc chromate primer of Asian Paints or equivalent paint of Berger/ ICI Paints on steel galvanised iron/ steel works after removing of all rust, dust or any other foreign materials with necessary scaffolding and removal of the same after the completion of work, all complete for all heights as per the specification & direction of MIC.

Providing and applying two or more coats of Apcolite Premium Gloss Synthetic enamel paints of Asian Paints Ltd. or equivalent paint of Berger/ ICI Paints of approved shade (if required existing colour shade may be changed with different colour) on old work to give an even shade, including cleaning the dust, rust, dirt, scales, smoke etc. sand papering, filling up holes and depressions etc. with approved quality putty for wood / steel including necessary scaffolding etc. complete for all heights as per the specification and direction of MIC.

Painting (two or more coats) on rain water, soil, waste and vent pipes including fittings with black anti corrosive bitumastic paint of approved brand and manufacturer on old work including cleaning the existing surface by scraping with wire brush/ sand paper and necessary scaffolding etc. complete for all heights as per the specification & direction of MIC.