EXTERNAL REPAIRS & WATERPROOFING PAINTING WORKS OF ADMIN BUILDINGS AT BENZINE AND KC, SEWREE INSTALLATION

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Exterior repairs and waterproof painting work to admin buildings at Benzine & KC installation.

Sr. No. Item Specifications Quantity Unit Rate (Rs.) Amount (Rs.)

1 Dismantling existing deteriorated plaster of any type and thickness, at any location, wherever required; including raking out joints, cleaning the exposed surface with a wire brush, and disposing of debris outside the premises to approved dumping ground of local public Development or Municipal Authority 1,700.00 M2 0.00

2 Repairing damaged RCC members at any level, including the following operations: (a) Carefully removing loose, damaged, and disintegrated concrete and any existing coating, and disposing of debris with all leads and lifts. (b) Mechanically removing loose rust from reinforcement bars. (c) Applying Sunanda Rusticide rust remover and passivator, or approved equivalent, to rusted reinforcement. (d) Applying Sunanda Polyalk Fixoprime rust-preventive polymeric coating, or approved equivalent, to reinforcement steel. (e) Applying a second coat of the protective slurry and fixing Sunanda Sunanode zinc-based sacrificial anodes, or approved equivalent, to the reinforcement bars. (f) Cleaning damaged RCC surfaces; removing dust and loose particles; wetting the surface; and applying a bonding coat of Sunanda Polyalk EP high-performance acrylic polymer, or approved equivalent, mixed with cement in the manufacturer-recommended ratio. (g) Providing and applying polymer-modified repair mortar comprising high-performance acrylic polymer, cement, and quartz sand in the required proportions, mixed mechanically. Hand-pack each layer to a maximum thickness of 15–20 mm and ensure that the sacrificial anodes are fully embedded. (h) Applying subsequent mortar layers wherever additional thickness is required. All work shall be executed in accordance with the manufacturer’s specifications and recommendations and as directed by the Engineer-in-Charge. 200.00 M2 0.00

3 Providing and fixing FE 500 steel reinforcement for RCC work, including straightening, cutting, bending, placing, and binding in position; cleaning the steel and removing oil, grease, rust, and other contaminants; complete in all respects. 700.00 KG 0.00

4 Providing and placing Fosroc Renderoc RG(L), or approved equivalent, single-component cement-based flowable micro-concrete with graded coarse aggregates where specified. Apply at all levels in the consistency recommended by the manufacturer and as directed by the Structural Consultant. The rate includes necessary shuttering, supports, surface preparation, placement, and all incidental work required for complete execution. 100.00 KG 0.00

5 Providing 20 mm thick sand-faced cement plaster in two layers: a 12 mm backing coat in cement mortar 1:4 and an 8 mm finishing coat in cement mortar 1:3 (1 cement : 3 coarse sand), complete. 1,700.00 M2 0.00

6 Providing, erecting, maintaining, and dismantling double bamboo scaffolding for external, ceiling-plaster, and other repair works; including bamboo poles and supports, planks, coir rope, labour, materials, transport, all leads and lifts, and required safety precautions, complete as directed and approved by the Engineer-in-Charge. Payment shall be based on the measured elevational area of the scaffolding. 2,600.00 M2 0.00

7 Providing and applying waterproofing and seepage-protection paint, including: pressure-water-jet cleaning and scraping with a wire or coir brush to remove loose scale, film, dirt, algae, and moss; one thin self-priming base coat; one undiluted intermediate coat applied by brush or roller; and two finishing coats in the specified colour. The finishing material shall be pure acrylic latex formulated with nanotechnology to provide anti-carbonation performance and long-term durability, complete. 2,600.00 M2 0.00

8 Dismantling plain cement concrete of any grade, including removal and disposal of debris outside the premises at an approved dumping ground of the local municipal authority, complete as directed. 100.00 M3 0.00

9 Providing, laying, compacting, and curing plain cement concrete (PCC) in 1:1.5:3 mix (1 cement : 1.5 coarse sand : 3 graded stone aggregate of 20 mm nominal size), using approved ordinary Portland cement; including centering, shuttering, and all incidental work, complete as directed. 100.00 M3 0.00

10 Providing and laying 22 mm thick chequered precast cement concrete tiles in footpaths and courtyards over a 20 mm thick bed of cement mortar 1:4 (1 cement : 4 coarse sand); including jointing with neat cement slurry and matching pigment, rubbing, cleaning, and finishing, complete. Medium shade using 50% white cement and 50% ordinary cement. 350.00 M2 0.00

11 All cracks in plaster to open in 'V' shape groove with mechanical cutter and filling with polymer compound of any reputed make. Removing loose scales; thoroughly wire-brushing and cleaning the surface; filling joints and cracks with waterproofing compound. 200.00 Mtr 0.00

12 Providing and carrying out the PU Membrane based terrace waterproofing a) Cleaning of the substrate (concrete surface) must be carried out thoroughly to ensure it is devoid of any dust and foreign particles. All surface cracks upto 5mm wide should be filled up with the same waterproofing material as specified by the manufacturer. b) Even Application of Priming Coat as per Manufacturer Specificationc) Even Application of Waterproofing membrane in 2 coats or as specifed by the manufacturer. Waterproofing has to be carried out upto 1' height on the vertical surface of the parapet walls d) Providing & Laying an average 75mm concrete screed of M20 grade concrete (laid with RMC, including RMC concrete and pumping charges) reinforced with a chicken wire mesh maintaining an average slope of 1 : 80 towards the drain outlets for effective and efficient draining of water. The entire job to be carried out as per the instructions and to the complete satisfaction of the Engineer-in-charge. (Screeding not to be done on vertical surfaces of parapet walls)Only plan area shall be measured for payment purpose. All the above operations to be done in order and as per the manufacturer's specifications to the complete satisfaction of the Engineer-in-charge. Recommended Makes : Pidilite/ Sika/ Fosroc/ BASF 930.00 M2 0.00

13 Providing brick masonary at all levels in cement mortar 1:4 (1 cement : 4 sand ) with locally available best quality bricks of class designation 75 including scaffolding, curing, disposal of surplus materials as directed. At any height or depth 10.00 M3 0.00

Note:Quantities are indicative and may vary as per site requirement.