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| 1 | HOT DIP GALVANIZED AND FRP GRATINGS |
| 2 | Steel work welded in built up sections/ framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required: |
| 3 | In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works. |
| 4 | Extra for HOT DIP GALVANISING of MS Structurals, minimum coat of 900 gsm, including all necessary transporation, labour, materials, consumables and equipment, as per specifications and directions of the Engineer-in-charge. |
| 5 | Structural steel work in single section fixed with or without connecting plate including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. |
| 6 | Applying priming coat with ready mixed primer of approved brand and manufacturer at all heights over steel surfaces like structures, columns, pipes,vessels, tanks etc. as per manufacturers specifications and directions of the Engineering-in- Charge; all complete including cleaning the surface using emery papers/ Power tool cleaning such as ST-2 or ST-3 as per requirement, including all material, consumables, tools, tackles, labour etc but excludingScaffolding. Note- No. of coats mentioned in the SOR items are only indicative and contractor has to achieve rquired DFT byapplying more coats (if required) within the relevantSOR item rates. |
| 7 | Self priming HB coating primerto achive a minimum DFT of 100- 125 microns (1 or more coat of 100-125 micron) |
| 8 | Supplying and applying various epoxy and other protective intermediate / finish paints of approved brand andmanufacturer at all heights over prepared/primed surface for steel structures, pipelines, tanks, vessels, equipments, concrete floors etc. as per manufacturers specification and directions of Engineer-in-charge all complete including all materials, labours, tools-tackles and consumables etcbut excluding Scaffolding. Note- No. of coats mentioned in the SOR items are only indicative and contractor has to achieve required DFTby applying more coats (if required) within the relevant SOR item rates. |
| 9 | HB Epoxy MIOto achive a minimum DFT of 100-150 microns (one or more coat of 100-150 Micron). |
| 10 | Two pack Acrylic Poly-urethane (PU) to achive aminimum DFT of 40-50microns (one or more coat of40-50 micron). |
| 11 | Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work up to plinth level : |
| 12 | 1:1.5:3 (1 Cement : 1.5 coarse sand (Zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). |
| 13 | Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : |
| 14 | 1:1.5:3 (1 cement : 1.5 coarse sand (Zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). |
| 15 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete up to plinth level: |
| 16 | Thermo-Mechanically Treated bars. |
| 17 | Centring and shuttering including strutting, propping etc. and removal of form work for: |
| 18 | Foundations, footings, bases for columns. |
| 19 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge: |
| 20 | Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix). |
| 21 | 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. |
| 22 | 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. |
| 23 | Dismantling steel work in single sections including dismembering and stacking within 50 metres lead in: |
| 24 | Channels, angles, tees and flats. |
| 25 | Transportation of various materials by Tractor trolley (2-3 M3 capacity) for following leads or part thereof including loading, unloading such as cement, sand, debris, metal, earth, refractory, insulation, furniture, plants etc. all such materials from one place to another place including battery area and outside battery area all complete as per the direction of the Engineer-in-Charge: Note: Unit of measurement is EACH which stands for \"Per Trip\". |
| 26 | Upto a lead of 1 km. |
| 27 | Lead beyond 1 km but upto 2 km. |
| 28 | Lead beyond 2 km but upto 3 km. |
| 29 | Lead beyond 3 km but upto 4 km. |
| 30 | Lead beyond 4 km but upto 5 km. |
| 31 | Providing and fixing expansion hold fasteners on C.C. /R.C.C./ Brick masonry surface backing including drilling necessary holes and the cost of bolt etc complete. Wedge expansion type: |
| 32 | Fastener with threaded dia 12 mm. |
| 33 | Supplying and Fixing of FRP machine pultruded grating over drains in Unit areas & Offsite.The grating shall have following specifications: FRP machine pultruded grating made of iso-phthalic polyester resin, having excellent corrosion resistance to a wide variety of chemicals, made by jointing high strength I-beam bars of appropriate height, thickness and spacing; and, very high strength locking bars, spacing between the bearing bars shall not exceed 40mm on a center to center basis and that between the locking bars shall not exceed 80mm also on a center to center basis, having an overall width up to 700mm (maximum); suitable for supporting a uniformly distributed load of 2000kg/m2 and a concentrated load of at least 2400 kg/mtr applied by vehicular movement of vehicles such as fork lift, hydra, other medium duty vehicles, etc., at a clear span varying between 220mm to 600mm, at a deflection characteristic of not more than 2mm, having a mechanical safety factor of at least 2.0 along with necessary SS304 clamps and boltsfor fastening to MS/ RCC structure; and applicable ageing and weathering tests, with a glazed finish. |
