|
| 1 | Working plat Form: The working platform above the water level shall be erected using the friction support from adjacent two piles and hanging support from the top of the deck. The above fixing and erection work shall be carried out with the help of floating pontoon and boats etc. Providing, erecting and dismantling safe scaffolding including working platform for external and internal area to facilitate all works with proper arrangements etc. complete. The cost of equipment, plants, materials, sand, instrumentation, hiring of boat, catamaran, pontoon,labour and survey,fuel etc.., as required and as directed by the Engineer-in-charge complete. All labour and materials. |
| 2 | Surface Preparation: Labour charges for chipping the spalled andold concrete of the RC Structural Element. Check for thephenolphthalein test and if there is no change in color, chip the samefurther down until, reaching the good or uncontaminated concrete.Clean the surface and make sure that surface is clean and free fromloose particles. The rate shall include cost of equipment, plants,instrumentation, hiring of boat, catamaran, pontoon, labour andsurvey, fuel etc. Engineer-in-charge complete. All labour and materials. |
| 3 | Shear Connectors: Drilling 12mm diameter holes up to a depth of 75mm maximum and fixing 8mm diameter L- shaped anchor rods as shear connectors at every 500mm c/c on the surfaces of the Pile or any other structural member, as the case may be. Clean the same using water and make sure that there are no fine particles present in the hole. Mix the base and hardener of the polyester resin, like Lokfix S/P manufactured by Fosroc or equivalent, thoroughly with the spatula. Fill the drilled and cleaned holes to a minimum depth of 1/3rd of the hole with the prepared polyester resin. Make sure that the resin has reached till the end of the hole. At this stage, push the shear connector gently into the hole and finish the excess resin which comes out of the hole, and allow the shear connectors not to be disturbed for a minimum of 20 minutes -complete. The cost of equipment, plants, materials, sand, instrumentation, hiring of boat, catamaran, pontoon,labour and survey,fuel etc.., as required and as directed by the Engineer-in-charge complete. All labour and materials. |
| 4 | Provision of Galvanic Anode: Before installation of the self-sacrificial anode Galvashield XPI manufactured by Vector Technologies or equivalent, check the continuity of the steel reinforcement. Any loss of continuity will require additional electrical connections or restoration of continuity by effective means. Select a location for the Galvashield XPI or equivalent as close as practical to the edge of the repair zone. Galvashield XPI units should be positioned around/along the repair boundary. In addition to standard substrata preparation, the Galvashield XPI anode(s) shall be thoroughly pre-soaked in clean water for a minimum of 10 minutes and a maximum of 20 mintues prior to the application of the repair mortar. Tighten tie wires using the Galvashield fixing Tool so that no free movement is possible, thus ensuring good electrical continuity. To test electrical continuity between tie wires and reinforcement bar, a continuity meter like an electrical multimeter should be used. The rate shall include the cost of equpiment, plants, materials, instrumentation, hiring of boat,catamaran,ponoon,labour and survey,fuel etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 5 | Anti-corrosive Coating: Clean the rebars using the rust remover if there exists any rust, otherwise clean the rebar free of foregin material followed by Clean reinforcement using Reebaklens RR of Fosroc or equivalent; otherwise, clean the rebar free of foreign material. Mix the base and hardener of the anti- corrosive coating like Nitozinc Primer of Fosroc or equivalent, mechanically using a slow-speed, heavy-duty drilling machine fitted with a mixing paddle. Apply the mixed materials to the cleaned rebar at 45 microns/coat and total dry film thickness (DFT 90) microns in 2 coats and allow it to dry completely. The rate shall include the cost of equipment, plants, materials, instrumentation,hiring of boat ,catamaran,ponoon,labour and survey,fuel etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 6 | Formwork: Centring and shuttering, including strutting, propping, etc., as per the required line and length at all different floor levels as per the standard specification, is complete. Form work should be rigid to prevent loss of grout or mortar concrete from the concrete at all stages & appropriate to the methods of placing & compacting as per standard specification. It should be made of suitable material, i.e., timber, plywood, plastic, steel depending upon the type of finish specified. The rate shall include the cost of equpiment,plants,materials,sand,instrumentation,hiring of boat,catamaran,pontoon,labour and survey,fuel etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 7 | Micro- Concrete: Stock sufficient quantity of micro concrete (Renderoc-RG of Fosroc or equivalent) and 12mm downgraded chips on site to enable the completion of the pouring in a continuous operation. An approved concrete mixer or a slow-speed heavy- duty drilling machine fitted with a mixing paddle shall be used. Mix the micro concrete and the 12mm down grade chips in the ratio of 1:0.5 by weight with the required quantity of water as per the data sheet and place the same to the prefixed formwork. Remove the formwork after 24 hours in the case of RC Facia wall and RC Barriers and well Check for any surface defects, and if so, apply the polymer-modified mortar - complete. The cost of equpiment, interacting, drilling holes in deck slab, mixing, placing, making arrangements for supply micro concrete, labour, transport and fuel, cost hiring of boat,catamaran,pontoon etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials |
| 8 | Curing Compound: Immediately after striking the form work or after completion of the repair works, the surface should be sprayed with water once and followed by application of membrane-based curing compound like Nitobond AR of Fosroc or equivalent diluted with water in the ratio of 1: 1 as a curing membrane - Complete. The rate shall include the cost of equipment, plants, materials, instrumentation,hiring of boat ,catamaran,ponoon,labour and survey,fuel etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 9 | Protective coatings for Environmental face using Dekguard S of Fosroc: Providing and applying a single component high build elastomeric, crack - bridging, resistant to CO2 and Chloride ion diffusion, UV resistant, breathable acrylic coating with elongation at break exceeding 200% using Dekguard S of Fosroc or equivalent material applied in two coats(Each coat 150 micron WFT) on acrylic based primer at an average thickness of 150 microns DFT in two coats including acrylic resin basedprimer as per recommendation of the manufacturers. The rate shall include the cost of equipment, plants, materials, instrumentation,hiring of boat ,catamaran,ponoon,labour and survey,fuel etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 10 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres etc.., as required and as directed by the Engineer-in-charge complete. |
| 11 | Transportation debris/excavated earth upto a lead of 12Km including stacking, loading and unloading and levelling the unloaded materials at a place of unloading etc.., as required and as directed by the Engineer-in-charge complete. |
| 12 | Steel reinforcement Thermo-Mechanically Treated bars of grade Fe-500D or more for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 13 | Drilling suitable holes in reinforced or plain cement concrete upto and including 12mm Dia.with power driven drill machine to a minimum depth of 100mm upto 300mm in RCC beams, lintels, columns, kerbs, beams retaining walls and slabs to introduce steel bars for sunshades/balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 14 | Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns for mass concrete etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 15 | Providing and laying in position ready mixed or site batched design mix cement concrete of M30 grade with minimum cement content of 350 kg /cum for All works upto plinth level reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 16 | Cleaning of reinforcement from rust from the reinforcing bars upto 12 mm diameter 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 etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 17 | Providing and applying of High range zinc rich epoxy resin for reinforcement steel protection against corrosion of approved make and quality comprisesof resin and hardener mixed inequal proportion by volume with minimum 9-10 hours between coats , sprinkling dry sand when 2nd coat is tacky so as to provide rough finish and ensuring air curing of minimum 10 hours after the top coat before any subsequent treatment etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 18 | Providing, mixing and applying SBR polymer (of approved make) of 25 mm average thickness in 2 layers.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 etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 19 | Plastering with 1:4 (1 cement: 4 fine sand), 12mm cement of plaster including cleaning the surface curing etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 20 | Finishing with Epoxy paint (two or more coats) On concrete work at all locations prepared and applied as per manufacturer’s specifications including appropriate priming coat, preparation of surface, etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 21 | Writing sign boards on walls and concrete surfaces by scarping the existing surface, finishing with approved colour of synthetic enamel paint writing letters of size 150mm to 350mm etc.., as required and as directed by the Engineer-in-charge complete.All labour and materials. |
| 22 | Supply of Man Mazdoor/Women Mazdoor / Watchmen, Gangman /Mazdoor (unskilled) to work in any site conditions etc.., as required and as directed by the Engineer-in-charge complete. Please Enable Macros to View BoQ information |
