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| 1 | Dismantling Work |
| 2 | Demolishing brick tile covering in terracing, including stacking of serviceable materials and disposal of unserviceable materials within 50 metres lead at ground level from the building/work site, as directed by the Engineer-in-Charge. |
| 3 | Demolishing cement concrete or mud phaska in roofs, manually or by mechanical means, including disposal of the debris within 50 metres lead at ground level from the building/work site, as directed by the Engineer-in-Charge. |
| 4 | Demolishing brick work In cement mortar manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. |
| 5 | 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. |
| 6 | Extra for cutting reinforcement bars at terrances manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer-in- charge. |
| 7 | Extra for scrapping, cleaning and straightening reinforcement from R.C.C. or R.B. work, collecting, loading, transporting, unloading and handing over to BHEL Township store as directed by BHEL Engineer-In-Charge . |
| 8 | Concrete Work |
| 9 | Providing and fixing glass strips in joints of screed concrete, 40 mm wide and 4 mm thick, on terrace up to 15 m height, as directed by the Engineer-in-Charge. |
| 10 | Providing and making gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 10 mm nominal size and down gauge), including finishing with polymer-modified mortar in 1:3 cement-sand ratio with Nitobond SBR Latex as per standard specifications, in 75x75 mm chase on terrace up to 15 m height, as directed by the Engineer-in-Charge. |
| 11 | Making khurras 45x45 cm on terrace up to 15 m height, with an average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm nominal size) laid over PVC sheet 1.00 m x 1.00 m x 400 micron, finished with 12 mm cement plaster in 1:3 (1 cement : 3 coarse sand) with a coat of neat cement, rounding the edges and forming and finishing the outlet complete, as directed by the Engineer-in-Charge. |
| 12 | Works for Over Head Water Tanks |
| 13 | Cutting holes up to 30x30 cm in brick walls and making good the surface with plastering, on terrace up to 15 m height, including all labour, materials, and equipment, complete as per specifications and as directed by the Engineer-in-Charge. |
| 14 | Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in: Cement mortar 1:4 (1 cement : 4 coarse sand) |
| 15 | 12 mm cement plaster of mix 1:4 (1 cement : 4 coarse sand) on brick walls and RCC surfaces on terrace up to 15 m height, including all labour, materials, and equipment, complete as per specifications and as directed by the Engineer-in-Charge. |
| 16 | Supplying and filling with sand under floors, including watering, ramming, consolidating, and dressing, up to 15 m height terrace, including all labour, materials, and equipment, complete as per specifications and as directed by the Engineer-in-Charge. |
| 17 | Centering and shuttering, including strutting, propping, etc., and removal of formwork for overhead water tanks on terrace up to 15 m height, including all labour, materials, and equipment, complete as per specifications and as directed by the Engineer-in-Charge. |
| 18 | Providing and placing steel reinforcement for R.C.C. work, including straightening, cutting, bending, placing in position, and binding, complete, on terrace up to 15 m height, including all labour, materials, and equipment, as per specifications and as directed by the Engineer-in-Charge. |
| 19 | Providing and laying M20 nominal mix cement concrete by volumetric batching, in R.C.C. structures for overhead water tanks, etc., on terrace up to 15 m height, excluding the cost of centering, shuttering, and finishing: 1:1½:3 (1 cement : 1½ coarse sand (Zone-III) from natural sources : 3 graded stone aggregate 20 mm nominal size from natural sources), as per specifications and as directed by the Engineer-in-Charge. |
| 20 | Injection Grout |
| 21 | Surface Preparation: RCC surfaces must be clean, even, and sound. Remove all oil, dirt, laitance, protrusions (by light grinding), and other contaminants manually to attain a fairly smooth surface, on terrace up to 15 m height, as per specifications and as directed by the Engineer-in-Charge. |
| 22 | Providing and fixing PVC packers 12 mm dia in RCC floor slab / RCC diaphragm wall with Sika Monotop 108 WP or Fosroc Rendroc Plug Instant Mortar (or equivalent), including drilling holes in RCC floor slab / diaphragm wall, cleaning the holes, and injecting cementitious grout through packers in the proportion recommended by the applicator/manufacturer into cracks/honeycomb areas of concrete/ masonry using suitable gun/pump at required pressure. Work also includes cutting the packers after completion of grouting and flushing with concrete/ mortar. (Cement and admixtures consumed shall be paid as separate items), on terrace up to 15 m height, as per specifications and as directed by the Engineer-in-Charge. |
| 23 | Supplying and applying plasticised expanding grout admixture in mother concrete of roof up to 15 m height, using cementitious grouts Cebex 100 of Fosroc or equivalent, having chloride content – nil as per BS:5075, with typical unrestrained expansion up to 4% in general. The admixture shall be mixed at 225 g per 50 kg of cement, as per manufacturer’s specifications and as directed. Providing and fixing of nozzles shall be paid separately. Payment shall be made for the quantity of cement consumed, as per specifications and as directed by the Engineer-in-Charge.. |
| 24 | Drilling and fixing NRV injection packers @ 500 mm c/c in RC members for Epoxy or PU Injection including, drilling holes in structural members at the intervals as per recommendations/ requirements, cleaning the holes by air blower prior to fixing nozzles. Insert 12 mm dia., 50-75 mm long injection packers in cleaned holes with solvent free, moisture insensitive epoxy resin based putty or equivalent. Cut the packers by cut of wheel after completion of grouting without damaging structural elements. |
| 25 | Supplying and applying , in mother concrete of roof with low viscous epoxy grout Conbextra EP 10 of Fosroc or equivalent having density 1050 kg/m3,Compressive Strength(ASTM D695)-80 N/mm2,Tensile Strength(ASTM C 304-97)-20 N/mm2,Flexural strength(BS 6319 Part 4)-40 N/mm2. Pressure grouting shall be done at required pressure etc.shall complete as directed by EIC. Providing and fixing of nozzles shall be paid separately. Payment shall be made on actual grout consumed. |
| 26 | Crack Sealing: Supplying and applying Renderoc CS or equivalent Crack Sealer as pproved by Engineer-in-charge after making \\"V\\" groove along length of crack of approximately 6mm x 6mm including cleaning and removing all loose particles, dust etc by using water jet, filling, finishing, curing all complete. Renderoc CS shall be mixed with water adopting w/p ratio0.36 by weight or a mix porportion of 1 part of water to 2.5 - 3.0 parts of Renderoc CS, by volume. Thorough mixing shall be carried out till a smooth, homogenous paste is obtained. |
| 27 | Concrete Work |
| 28 | Providing and laying Screed Concrete of Grade M-20 having nominal mix of (1:1.5:3) by volumetric batching, minimum thickness of 25mm with 1 in 100 slope average 50mm thick (or suitable thickness for necessary slope) in alternate panels including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, transportation, handling, curing, sampling, testing etc at all level as per specification complete as per drawing, specifications and as per direction of engineer in charge all complete. Note: No manual mixing of concrete shall be allowed. Contractor has to arrrange conrete mixer machine arrangement OR RMC shall be used. |
| 29 | Waterproofing |
| 30 | Primer Coat: Providing mixing and applying Nitoproof or equivalent Water Based Primer of approved brand and quality as per manufacturers recommendations applied at consumption of 200ml/Sqm depending upon the surface condition as per specification complete as per drawing, specifications and as per direction of engineer in charge. |
| 31 | Waterproofing coat : Providing and applying single component, flexible, liquid applied UV and weather resistant, acrylic modified polyurethane (PU) waterproofing membrane Fosroc Brushbond Roofguard Premium with high reflective properties or equivalent etc. including all labour, material (unless otherwise specified in BOQ/contract specification), equipment, transportation, handling, curing, sampling, testing etc at all level as per specification complete as per drawing, specifications and as per direction of engineer in charge. The waterproofing membrane must have following properties :-(i) Tensile strength > 2.0 MPa according to ASTM D412(ii) Elongation at break ≥ 250% according to ASTM D412(iii) The liquid membrane must be resistant to growth of algae and fungi and have SRI more than 100 according to green building requirements.(iv). Crack Bridging of minimum 2mm as per ASTM C1305The waterproofing membrane must be applied in 3 coats applied at consumption of 0.5Ltr/Sqm each coat. Place glass fibre mess 50GSM over the 1st coat immediadely in wet condition of 1st coat. Allow the first coat to dry (normally 1-5 hours depending on the climatic conditions), then proceed with the application of the second coat. The second coat of Brushbond Roofguard Premium should be applied at 90° to the previous one. in similar manner, the third coat of Brushbond Roofguard Premium should be applied at 90° to the second coat. The total sum of three (03) coats should be minimum 1mm DFT. The Brushbond Roofguard Premium membrane must be cured for at least 72 hours prior to a flood test. Flood to a minimum of 50mm depth of water for 24 hours. Drains must be plugged and barriers put in place to contain the water. Please Enable Macros to View BoQ information |
