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| 1 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. |
| 2 | Extra for cutting reinforcement bars 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. |
| 3 | Demolishing brick work 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.. |
| 4 | In cement mortar |
| 5 | Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in: |
| 6 | Channels, angles, tees and flats |
| 7 | Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge. |
| 8 | Centering and shuttering including strutting, propping etc. and removal of form for : |
| 9 | Columns, Pillars, Piers, Abutments, Posts and Struts |
| 10 | Lintels, beams, plinth beams, girders, bressumers and cantilevers with water proof ply 12 mm thick |
| 11 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. |
| 12 | Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 13 | Welding by gas or electric plant including transportation of plant at site etc. complete. |
| 14 | Finishing walls with Acrylic Smooth exterior paint of required shade : |
| 15 | New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm) |
| 16 | Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/ litre, of approved brand and of required shade and colour complete to give and even shade. |
| 17 | Old work (one or more coats) |
| 18 | Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. |
| 19 | With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre. |
| 20 | White washing with lime to give an even shade : |
| 21 | Old work (two or more coats) . |
| 22 | Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspectionof work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment shall be made once irrespective of duration of scaffolding.Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done. |
| 23 | Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge |
| 24 | 75 mm average thickness |
| 25 | 50 mm average thickness |
| 26 | Cleaning of reinforcement from rust from the reinforcing bars 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, all complete as per direction of Engineer-In-Charge. |
| 27 | Bars upto 12 mm diameter |
| 28 | Bars above 12 mm diameter |
| 29 | Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. |
| 30 | SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer |
| 31 | Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness. |
| 32 | Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super- Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc. |
| 33 | (Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/ tapping with a blunt metal instrument) |
| 34 | 50mm thick in Grade M 25 with cement content not less than 330 kg per cum |
| 35 | 75mm thick in Grade M 25 with cement content not less than 330 kg per cum |
| 36 | Removal of exhaust fans and closing of exhaust holes of 600mm diameter size with brick masonry in CM 1:6 (1 Cement : 6 Fine sand), including necessary scaffolding etc. complete as directed by the E.I.C |
| 37 | Repairs to steel windows of size 1.2m x1.35m or 1.35m x 1.35m, clening rusts, making steel window shutters free to operation, applying grease, lubricants to the hinges etc. complete as directed by the E.I.C. |
| 38 | Dismantling of 18 metre RTT at all floor level of the building, including stacking the tower materials sorted section wise, binding tower material by making each bundles for each level of the tower, making necessary safety measures to the naibours, assets and eqipments etc. complete as directed by E.I.C |
| 39 | Conveyance of 18 metre Roof top tower materials, gantry, tower ladder from TE building, K.Pudur to Thiruppalai store yard in one lorry load, including loading, unloading,stacking at required place,required method etc. complete as directed by the E.I.C. |
