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| 1 | Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing : |
| 2 | 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 3 | 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 within 50 metres lead : |
| 4 | With cement mortar 1:4 (1cement: 4 coarse sand). |
| 5 | Pointing on stone work with cement mortar 1:3 (1 cement: 3 fine sand) : |
| 6 | Flush/ Ruled pointing |
| 7 | 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 Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 8 | Raking out joints of stone masonry surface to the required width and depth, with due care and precaution, by mechanical / manual means, including preparing and cleaning the surface for re-pointing/ refilling of joints, including disposal of rubbish to the dumping ground within 50 metre lead. |
| 9 | Providing and laying waterproofing treatment over the existing roof as directed by E-I-C and consisting of: |
| 10 | Cleaning and washing of the surface of existing roof to make it free from dust, oil, grease and loose particles by brushing properly exposing rugged surface and final washing. |
| 11 | Surface cleaning and crack filling: Repairing the damaged surface with Terroza ready plast, widening and deepening of cracks and fill all cracks by terraoza crack filler overlapping 25 mm on either side. |
| 12 | Moisturing the surface and application of Terroseal evenly over the surface to penetrate deep inside the poresand create elastomeric filmover it. |
| 13 | Application of heavy duty reinforced glass fibre net (Terromesh) of high tensile strength and alkali resistance over the surface covering vertical side walls. |
| 14 | Application of second coat Terroseal uniformly over the Terromesh. |
| 15 | Application of Terroza water proofing compound with water and terroseal over the surface with rolleror trowel like gurmala plaster to form a hydrophobic barrier for water and insulate the surface from heat and cold. |
| 16 | After complete drying of surface application of Terroza building guard in two or more coats with brush or roller and allow it to dry completely to seal the surface in all respect. |
| 17 | The contractor has to carryout pre-monsoon inspection every year to check / maintain the water tightness of the treated roof being intact & free from any cracks for 5 years and submit a certificate duly verified by SDE (C ) concern. |
| 18 | Extra for mixing waterproofing compound to cement mortar of pointing (2% wt of cement). Please Enable Macros to View BoQ information |