Internal painting and other associated civil works at Purchase Section (Room no. MB-211) and Finance and Accounts Section (Room no. MB-209) at second floor of Main Building in CSIR-CLRI, Adyar, Chennai-600020

Amount

Civil Part

Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge.

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge. With cement mortar 1:4 (1 cement : 4 fine sand)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 20 mm nominal size)

Removing dry or oil bound distemper, water proofing cement paint, interior emulsion paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre

Painting with synthetic enamel paint of approved brand andmanufacture of required colour to give an even shade : One or more coats on old work

French spirit polishing : Two or more coats on new works including a coat of wood filler

French spirit polishing : One or more coats on old work

Providing and fixing plywood 6 mm thick, one side decorative veneer conforming to IS: 1328 (type-1), for plain lining / cladding with necessary screws, including priming coat on unexposed surface with : Decorative veneer facings of approved manufacture

Providing and fixing double scaffolding system (cup lock type) up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube 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 there after .The scaffolding system shall be stiffened with 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 Engineerin- charge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge. 25 mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover 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 direction of Engineer-In-Charge. Bars upto 12 mm diameter

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make.

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2). 25 mm average thickness in 2 layers.

Filling the gap in between aluminium/ stone/ wood frame and adjacent RCC/Brick/ Stone/ wood/ Ceramic/ Gypsum work by providing weather/structural non sag elastomeric PU sealant (Polyurethane sealant) over backer rod of approved quality as per architectural drawings and direction of Engineer-in-charge complete, complying to ASTM C920, DIN 18540- F & ISO 11600 Upto 5 mm depth and 5 mm width

Wall painting with Interiorgrade Emulsion Paint with roller finish (M/s. Asian, "Royale Aspira/ Royale Health Shield") consists of silver ion technology, superior stain resistance, teflon surface protector, enhanced Anti-microbal formula as per EN ISO 22196:2007 and having VOC (Volatile Organic Compound ) content as per the standards with roller finish of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and color. Two coats (or) More coats with roller finish.

Repairing the existing horizontal and vertical cracks by forming and cutting 'V' groove manually / mechanically in the outer/inner Surface of walls, cleaning the surface , providing and filling with Single part non shrink cementitious crack filler for plaster masonry and concrete cementations Renderoc CS /CF powder(Make: M/s. Fosroc Chemicals) mechanically by crack filling gap / manually etc, with necessary scaffolding in all leads & lefts etc, all as required with all necessary associated, repair, miscellaneous, repair,etc. to suit site condition and as per direction of Engineer in Charge.

Providing and fixing of wall/ceiling power coated mounted metal (Expansion Joint Covers) ("Make: CS W-90") to cover the expansion joint ( Expansion joint width 20mm to 50mm ) • Extrusion: SMC4NM1/M2 model is extruded with 6063-T5, ASTM B221 • Sheet – 6061-T6, 3003-H14, 5005-H34, ASTM B209 • CS standard protective coating ( ZiO/ZnCrO4) on aluminum surfaces to be placed in contact with Floor-to-Wall to Wall corner / ceiling to ceiling corner Joint Systems: 1. Basis-of-Design Product: Construction Specialties, Inc. model ASM 200 2. Type: Snap-on cover. 3. Attachment Method: Mechanical anchors. 4. Movement Test : Tested with Architectural Testing, Inc., an Intertek company (“Intertek-ATI”) as per ASTM E 1399-97, Report No: 84284.01-106-31.

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