Tender For Arresting Seepage Of Water And Other Petty Works At Giri Road Iq,Chennai Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. a) For thickness of tiles 10 mm to 25 mm 15.00 Sqm One Square Metre 2 Demolishing lime concrete manually/ by mechanical means and disposal of material within 50 metres lead as per direction of Engineer in-charge 0.70 Cum One Cubic Metre 3 15 mm cement plaster on the rough side of single or half brick wall of mix : a) 1:4 (1 cement: 4 fine sand) 15.00 sqm One Square Metre 4 Providing and laying cement concrete with available stone/brick aggregate in floors above plinth level up to floor five level excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse M sand : 3 graded available stone/ brick aggregate of size upto 20 mm nominal size ) 0.70 Cum One Cubic Metre 5 Providing and laying Ceramic glazed floor tiles of size 300x300 mm(thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement :4 Coarse sand), jointing with grey cement slurry @ 3.3kg/sqm including pointing the joints with white cement and matching pigment etc.,., complete. 3.20 Sqm One Square Metre p 20 PROFORMA BSNL BSNL 6 Applying dampguard of Dr.Fixit or equivalent grade to arrest the dampness over the internal walls including necessary scrapping of the existing surface as decided and directed by the Eng-in-charge. 10.00 Sqm One Square Metre 7 Providing water proofing treatment to following Location : Toilets, Utility area and Balcony. Apply BLOCK C750 BOSCOLASTIC, a high performance acrylic polymer based two component cementitious waterproofing coating on the pre-damp prepared surface. Empty liquid component in a clean mixing container, and slowly add the Powder component whilst stirring using a slow speed (500-600 rpm) heavy-duty electric drill with a suitable paddle.The mixed BLOCK C750 BOSCOLASTIC shall be applied onto the prepared substrate using a hard bristle brush or block brush. The application of BLOCK C750 BOSCOLASTIC shall be done in a minimum of two coats on the horizontal & vertical areas, the 1st coat in one direction and 2nd coat in a direction perpendicular to the 1st coat. Leave the 1st coat to set between 1 to 2 hours before applying the 2nd coat. If the 1st coat is left overnight, the surface shall be dampened before subsequent applications. p 21 PROFORMA BSNL BSNL The final coat must be sprinkled with sand at a consumption of 1kg/sqm to create the mechanical anchor for the subsequent layer like screed on floor and protection plaster on vertical areas. The 35kg of BLOCK C750 BOSCOLASTIC pack shall cover 20-25sqm area in two coats. The membrane should be sprinkle cured for 7 days. The cured membrane shall have properties such as; Adhesion to Concrete of >1MPa as per ASTM D4541, Tensile Strength of >1MPa as per ASTM 2370, Elongation of >200% as per ASTM D2370, Water Permeability as per EN12390 Part 8 shall be NIL @5bar. The treatment to include cleaning and wire-brushing the concrete surface, treating all the cracks (wider than hairline), construction joints and honeycombs by grouting with specialised non-shrink Cementitious compound, grouting the annular space between the pipe and concrete / masonry, providing and applying a protective screed 15mm thick, CM 1:4 plaster admixed with integral waterproofing compound, curing, at all levels and heights, etc., complete. 12.00 Sqm One Square Metre 8 Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre. of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour. Providing and laying pressed clay tiles (as per approved pattern 20 mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement : 4 coarse sand) mixed with 2% integral water proofing compound, laid over a bed of 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete. 11.50 Sqm One Square Metre 10 Cleaning of toilet with acid, soap solution and water wash such as vitreous china fittings washbasin, WC pans, EWC, Sinks, draining board, Louvered glass of ventilator, kitchen platform, toilet and bath room dado, flooring in all rooms etc upto floor V level. 1.00 Job Each Job 11 Providing and fixing PVC floor trap of self cleansing design including cost of cutting and making good the walls and floors : 2.00 Nos. Each 12 Providing and fixing concealed unplasticised Rigid PVC pipes of pressure rating 6 kg/sq.cm with sealant including cutting the wall and making good with cement mortar 1:4 all complete. a) 75 mm diametre 2.00 metre One Metre 13 Providing and fixing 9mm thick prelaminated particle board flat pressed three layer or graded wood particle board conforming to IS standards in panells fixed over the false ceiling etc. complete as per architectural drawings and directions of engineer-in-charge. a) Pre-laminated particle board with decorative lamination on both sides. 5.00 sqm Each 14 Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means including loading, transporting, unloading to approved municipal dumping ground or as approved by
