Neutron Detector Fabrication Lab and Charged Particle Detector Array Lab Renovation works at VECC, 1 AF, Bidhan Nagar, Kolkata-700064.

Painting two or more coats of Synthetic Enamel Paint of 1st quality and approved make, shade/ colour on M.S. surface/ G.I. pipes etc. over a coat of Zinc rich primer under brand CONCRESIVE Zri of M/s. BASF or equivalent, including thorough surface preparation by mechanical grinding, removing & cleaning rust, dust etc. filling up of dents, cracks with suitable putty etc. all complete at any height and level location including providing necessary scaffolding etc. , all complete as directed by the Engineer-in-charge. Primer: Zinc Rich Primer Oil paint: Synthetic Enamel Paint Details technical specification are attached in annexure-I

Scaffolding for iron structure size: 24mtrs x 16mtrs and Height: 6.5mtrs painting: Providing and fixing bamboo scaffolding system up to three story height made with 100-75mm dia. well-seasoned bamboo 0.9 m centre to centre, horizontal & vertical joining with coir rope including 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 proper bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge. Note:- A) This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done. B). Existing wall surface if damaged shall be repaired by the contractor at free of cost. Details specification are mentioned in Annexure-I

Structural steel work at all floors and locations in guard bars, structural platform, grills, guard bars for windows, frames, covers, cover bracket for slanting chajja, using angles, tees, flats, bars, chequered plates, inserts fabricated out of mild steel bars, channels, angles, pipes, plates and diaphram plates for expansion joints etc. at all level, location, slope of required shapes, sizes including supplying, cutting, fabricating, hoisting, welding, erecting, making holes/chases by drilling (up to 25mm dia) including providing nut bolts (up to 20mm dia) wherever required and fixing/embedding in position in concrete/brick work with necessary hold fasts/screws & raw plugs and finishing the concrete/brick work after fixing/embedding, preparing surface mechanically for removal of rust, dirt, flakes etc. including painting two coats of 1st quality synthetic enamel paint of approved make and colour on all surfaces over a coat of approved red oxide zinc chromate primer, complete as per specifications, Note : drawings and as directed by the Engineer-in-Charge. i) Samples of all structural members including steel rectangular/square sections proposed to be used for fabrication will be weighed and actual weight shall be considered for payment. Wastage will not be measured for payment which shall be included in the rate. ii) The contractor shall submit 6 copies of shop drawing showing the dimension details of fabrication etc. for the approval of Engineer in-Charge. iii) Approval of Engineer-in-Charge for complete details and shop drawings shall be obtained before commencement of the work. iv) Quoted rate shall include cost of all shapes and sizes including circular, semi-circular etc. of the roof system. (A) Structural steel work with angle, channel, beam, MS plate, flat, square bars etc. conforming to IS-2062, IS-800 & IS-806 of M/S TATA/M/S SAIL/RINL or equivalent. Details specification are mentioned in Annexure-I.

Scrub and remove existing paint from interior walls: Providing labours, tools, tackles etc. for removal of old paint, scraping carefully manually/ mechanically without damaping existing RCC/Brick wall, removing loose scales, blisters etc. from old painted surface and thoroughly smoothing the surface to make the same suitable for receiving fresh coat of paint by scraping, sand papering, including with necessary cleaning of floor etc. all complete as directed by the Engineer-In-Charge. Details specification are mentioned in annexure-I.

Interior wall putty for smoothing wall: Rendering the surface of wall/ ceiling with white cement based wall care putty of approved make and brand (1.5mm thick) for making the surface with smooth finish including with necessary cleaning of floor etc. complete as directed by the Engineer-In-Charge. Material: White cement based wall care putty Details specification are mentioned in Annexure-I

Interior Walls and false ceiling Painting: Painting with two or more coats of Acrylic Emulsion paint with low VOC on internal surface at all level and location with approved shade and make including roller application over a coat of compatible cement based primer including preparing surface, primer filling with putty with putty, wherever required, scaffolding, cleaning of surface, removal of stains etc. complete as directed by the Engineer-In-charge. Material: Water based Acrylic Emulsion Paint Details specification are mentioned in annexure-I.

Black polyester self-adhesive film Installation on Window Glass Film type: Premium quality sun light-control polyester film with scratch resistant coating. Installation Note: a). Before installation, the existing damaged film shall be carefully removed from the window glass without causing any damage to the glass or surrounding surfaces. b). Any damage occurring during the execution of the work shall be rectified by the contractor at no additional cost. Details specification are mentioned in Annexure-I.

Supply, fitting, fixing 1mm thick matt finished decorative laminated sheet manufactured by M/s. MTC or other approved make with fitting and fixing the same on existing ply board door with recommended / approved adhesive as directed by the Engineer-In-Charge. Material: Sunmica/ Lamination sheet 1mm thick Installation note: a). Before the sheet installation, existing damaged sheet shall be carefully removed from door without any damage. b). Any damage occurring during the execution of the work shall be rectified by the contractor at no additional cost Details specification are mentioned in Annexure-I