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| 1 | Providing &fixing double scaffolding system (cup lock type) on the exterior side of building/ structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirements of site, made with 40 mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S.Tubes, M.S. Tubes challis, M.S. champs and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/or pointing and/ or applying chemical and removing a thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the work men etc, complete as per directions and approval of Engineer-in-charge.Note – 1. The elevational area of the scaffolding shall be measured for payment purpose.2. The payment will be made once only for execution of all items for such works. |
| 2 | Preparation/Cleaning of concrete surface for strengthning of structure including cleaning with oil free air blast as per direction of Engineer in charge. Vertical Wall, Cone Wall, Bottom Dome. |
| 3 | Epoxy Injection : Drilling and fixing NRV Nozzle at 30 cm c/c in RCC including drilling hole. Drilling 14mm dia T/2 mm deep holes in structure membrane at the interval of T/2 mm C/C in stagerred manner as per method statement. Cleaning hole by air blower pride to fixing of nozzle after grouting of epoxy based products cut the nozzle by cut of wheel and repair the same with epoxy mortar and sealing of cracks/porous Concrete with epoxy grout Don Grout M compressive strength more than 100 MPa, Tensile Strength more than 100 MPa, flexible strength 100 MPa rate including material nozzle , drilling injecting machine , Labor etc. Fixing NRV Nozzle at 30 cm c/c each Nozzle approximate epoxy inject 0.25 kg. |
| 4 | Chipping of unsound/weak concrete material 50mm average thickness 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 |
| 5 | Mild steel or iron work in plane work such as in RCC work rought ot the required shape as necessary including bending for the completion of work and including supply of all materials, labours, T&P etc. Complete |
| 6 | Providing, mixing and applying bonding coat of approved epoxy bonding adhesive having coverage 2.20 sqm/kg on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. |
| 7 | Providing & laying MC/MAX MICRO CONCRETE/WARRIOR- W11/MICRO BOND- EPS Conforming to B:S 4551-80 & ASTM-C-827-87 polymer modified non-shrinkage micro concrete thick for repair of spalled/damaged reinforced concrete elements like beams, columns, wall, slabs and also for jacketing of RCC columns to increase its load bearing capacity as per manufacturer's specification and as directed by Engineer-in- charge. Rate including material, labour, tools, curing but excluding scaffolding etc. |
| 8 | Providing & laying waterproofing treatment on over head tank in inner side by applying cement slurry mixed with MML (Methyl Methacrylic Latex based waterproofing compound)a) Undulation/pit on the surface will be repaired by adding cement sand (1:4) and adding 1 Litre Concrete SBR in one bag of cementb) after surface preparation, first layer of slurry cement @ 0.488 kg/sqm mixed with waterproofing cement compound @0.253 Kg/sqm.c) third layer of 1.5mm thickness consisting of slurry of cement @1.289 Kg/sqm mixed with waterproofing cement compound @0.670 kg/sqm. and coarse sand @1.289 kg/sqm. |
| 9 | Providing and applying epoxy paint of approved make (Shalimar, Ciba or Mahindra & Mahindra) to concrete surface for RCC ESR or GSR or any other structure including cleaning the surface by scrapping and air blowers to the satisfaction of Engineer-in-charge, necessary scaffolding, etc. complete with all leads and lifts and giving satisfactory hydraulic test for water tightness as per I.S. codes. |
| 10 | Painting of outer surface of OHT withThree coats of High Quality Weather Proof Paint (Apex) as per direction of engineer incharge for proper completion of work. |
| 11 | Supply and Delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for sides and steps in 16 mm MS plain rods fixed at 30cm C/C welded jointed etc ., providing with suitable side supports, clamps and locking arrangements provided with two coats of approved enamel paint over one coat of redoxide paint , for providing access to roof top of OHT of suitable inclined length , including bottom anchorage and transportation The rate includes concrete bed block in CC 1:2:4 using 20mm HBGS at top and bottom of suitable size with necessry anchor bolts |
| 12 | Providing, hoisting and fixing in position C.I. manhole, frame and cover of best quality and of required size and shape with locking arrangements including applying 2 coats of anti-corrosive paint, etc. complete |
| 13 | Providing and fixing in position copper lightening conductor including copper rod of 20 mm dia as per upper terminal 1.5 M long with a knob at end and with conical spike at top, copper tape conductor 20 x 3 mm size, copper earth plate of 3 mm thick and 0.81 sqm. in area, clamps at 1 M centre to centre including, necessary excavation, laying and fixing the conductor, providing and fixing 40 mm G.I. pipe upto 3 M height from ground and 0.5 M below ground including making all connections, filling earthing pit with charcoal, salt, etc. & refilling & watering, etc. complete as per specifications laid down in relevant I.S. codes. |
| 14 | Providing and fixing water level indicator upto 5 M height including M.S. enamelled gauge plate 300 mm wide and 3 mm thick, copper float, providing and fixing required accessories such as pointer, pulleys, nylon thread including cost of all material, labour, etc. complete. |
| 15 | Providing & Fixing of SS grill with mosquito mesh around RCC ventilator at top dome of Overhead tank. |
| 16 | Supply & fixing of Railings of 20 mm dia G.I. Pipe (medium quality steel tubes as per IS 1239) in 3 rows of with MS angle iron posts (50x50x6 mm MS angle) of 1 m height around stair case balcony & at the top dome periphery, wherver required to close the gaps or replacement of damage raili |
| 17 | GST extra 18 % add |
| 18 | R/O Please Enable Macros to View BoQ information |