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| 1 | \"Note:-(a)The work for item Sr No. 7 to 8 and item No. 10 to 21 shall be executed directly by manufacturer vizFosroc/Sika/BASF/Krisha conchem/Dr Fixit Pidilite or their authorized applicator. Applicator shall be authorized in writing by company and guarantee/responsibility of work executed shall be owned by company in writing.This does not absolve the responsibility of main contractor from any leakage, defects etc of underground sump on completion of the work. (b) Quoted rate shall be inclusive of material,labour, tools and plants, scaffolding and working upto 4 mtr height. (c) Adoption of necessary safety arrangement like safety belts. ropes. helmets, netting etc. which are required for safety of working as specified at height etc., which are required for safety of working at height 4 mtr shall be mandatary and deemed to be included in quoted rates. |
| 2 | Taking down cement plaster of any description on PCC/stone surface/brick surfaces including racking out joints, hacking for key scrubbing down with water etc. for height upto 4 metres from average ground level and removal of entire debris to a distance exceeding 250 mtr but not exceeding 500 mtr, as ordered complete all as specified and directed.Note:- Cleaning and Surface Prepared by washing it with water so that all surfaces should be sound, clean and free of contaminants. |
| 3 | Demolition of brickwork/PCC block or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc and removal of entire debris as ordered outside MoD land complete all as specified and directed. |
| 4 | Demolition of cement concrete (un-reinforced) in ground floor and paving not exceeding 15 cm thick (above or below ground level) and removal of entire debris as ordered outside MoD land complete all as specified and directed. |
| 5 | Dismantling of stone slabs and tiles of any description or thickness in floors, aprons etc laid bedded and pointed in any mortar, including removal of entire debris as ordered outside MoD land complete all as specified and directed. |
| 6 | Dismantling structural steel work including doors, gates,framed truss etc., complete all as specified and directed. |
| 7 | Material and Labour for opening all the existing visible crack cleaning it by mean of blowing or washing the same to make it clean and free from loose dust and dirt and filling the same with polymer made of cement sand mortar complete all as specified and directed. |
| 8 | All as item 7 above, but for construction and cold joint complete all as specified and directed. |
| 9 | Supply and Fixing stainless steel (Grade-304) ladder, railing and the like including designer balusters, railing pipes, foot/ thread, etc in size, shape and design as directed, made of hollow tubes, channels, plates, balls, etc, including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the ladder, railing, etc with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc, of required size with suitable arrangement as per approval of Engineer-in-Charge including fixing ladder for height upto 4 metres from average ground level. (for payment purpose only weight of stainless steel members shall be considered excluding accessories such as nuts, bolts, fasteners etc). complete all as specified and directed. |
| 10 | Material and Labour for applying concrete penetrating, migratory bipolar corrosion inhibitor EPCO KP-100 Krishna Conchem (or equivalent of Dr. Fixit / SIKA / Fosroc / Pidilite / BASF / Sunanda / Asian) conforming to ASTMG-109 by brush/spray with dosage of 4 sqm/litre over the entire chipped off/ exposed concrete area in order to arrest further corrosion of reinforcement bars. The application of EPCO KP-100 shall reduce the corrosion in terms of coulombs by 30% minimum upto migration through the embedded side of concrete as measured by mA all as per the direction of Engineer-in-Charge and all as per manufacturer’s instructions, for height upto 4 metre from average ground level, complete all as specified and as directed. |
| 11 | Material and Labour for Teflon nozzles compatible with epoxy injector, drilling holes of 12mm dia, upto 100mm deep holes in structural members at the interval of 500mm c/c for slab, 300mm c/c for column and beam in staggered manner or along the crack as directed by the Engineer-in-Charge in RCC structural element including cleaning of the holes by air blower and inserting 8mm to 10mm dia Teflon nozzles compatible with epoxy injector and having machined external end to receive outlet of grouting gun. Fix it inside the holes by applying thixotropic epoxy putty to ensure complete sealing and allow to cure the system minimum 8 hours before grouting including removing nozzle projections, excess putty if any over concrete element grinding, levelling and finishing the external surface, after completion of the work, etc, for height upto 4 metre from average ground level, complete all as directed by the Engineer-in-Charge. |
| 12 | Material and Labour for grouting of RCC structure with low viscous two parts of epoxy (mixed in ratio as specified by manufacturer) by using pressure pump and pressure grouting with compressor at about 1 Kg to RCC beams/ chajjas/ slab/ columns as per manufacturer’s instructions and direction and cutting the Teflon nozzles after grouting and making surface good for height upto 4 metre from average ground level complete all as directed by the Engineer-in-Charge. Make of low viscous epoxy shall be of Krishna Conchem / Dr. Fixit / SIKA / Fosroc / Pidilite / BASF / Sunanda / Asian |
| 13 | Material and Labour for grouting for Active leakage arrest treatment to the existing semi-undergroundwater tank by pressure injection of approved polyurethane (PU) foam and resin through suitable packers, as per manufacturer’s recommendations and directions of the Engineer-in-Charge. This shall be followed by application of two coats of two-component polymer-modified cementitious waterproofing coating and plaster (as item 16 &17 will be measure and paid extra) over the entire retaining walls and PCC base slab, including surface preparation, to ensure complete watertightness of the tank complete all as specified and directed.Make:- Pidilite/ FOSROC/ STP/ SIKA or equivalent. |
| 14 | Material and Labour for applying Nitobond EP (2.5 Kg pack and coverage area 5.5 Sqm/ 4.5 Kg pack and coverage area 10 Sqm) epoxy bonding agent over the old concrete surfaces including the cost of all materials, rent of tools, scaffolding, cost of paint, brush etc. for height upto 4 metre from average ground level complete all as per manufacturer’s instructions and complete all as specified & directed by the Engineer-in-Charge.Make: Fosroc or equivalent of Krishna Conchem / Dr. Fixit / SIKA / Pidilite / BASF / Sunanda / Asian as approved by GE. |
| 15 | Material and Labour for single layer of polymer modified cementitious high strength repair mortar {Compressive strength after 28 days ≥ 50 N/sqmm (According to ASTM C109)} as per site requirement (minimum 20mm thickness) in patch work all as per manufacturer’s instructions,complete all as per manufacturer’s instructions and complete all as specified and directed.Make : M/S Fosroc / Dr Fixit / Sika / Pidilite / Krishna Conchem / BASF / Sunanda / Asian as approved by GE. |
| 16 | Material and Labour for applying an elastomeric two component polymer modified cementitious coating of 2mm thick at minimum coverage rate of 3.60 Kg/sqm in pack of powder and liquid mix and applying as per manufacturer’s instructions, including cost of all materials, rent of tools, scaffolding, etc. complete all as specified and directed.Make : Fosroc \"Nitocote CM210\" or equivalent of Krishna Conchem / Dr. Fixit / SIKA / Pidilite / BASF / Sunanda / Asian as approved by GE. |
| 17 | Material and Labour for applying an elastomeric two component polymer modified cementitious coating of 2mm thickas second coat at minimum coverage rate of 3.60 Kg/sqm and when the second coat is still wet apply a dash coat polymer modified cement mortar complete all as specified and directed.Make:- Pidilite/ FOSROC/ STP/ SIKA or equivalent. |
| 18 | Material and Labour for application of high build polymer modified cement mortar (1:3) mixed with 6 ltrs SBR latex per bag of cement over face of concrete of column/ beams/ tanks 20 to 25mm thick in two layers surfaces applied as per manufacturer’s instructions {Compressive strength after 28 days ≥ 40 N/sqmm (According to ASTM C109)} for height upto 4 metre from average ground level complete all as directed by the Engineer-in-Charge. Note :- SBR latex chemical shall be measured and paid for separately as ‘Supply only’. |
| 19 | Supply only SBR latex chemical of Make Krishna Conchem / Dr. Fixit / SIKA / Fosroc / Pidilite / BASF / Sunanda / Asian as approved by GE. |
| 20 | Material and Labour for applying protective coating to inside surfaces of water tanks with food grade epoxy stearate coating. Application of food grade epoxy stearate coating confirming to CFTRI & Haffkins certifications or equivalent in two coats etc for height upto 4 metre from average ground level complete all as directed by the Engineer-in-Charge.Make: Fosroc / Krishna Conchem / Dr. Fixit / SIKA / Pidilite / BASF / Sunanda / Asian as approved by GE. |
| 21 | Material and Labour for preparing surfaces of cylindrical overhead water tank and applying two coats of Elastomeric pigmented acrylic Anti carbonation coating “Dekguard E2000” of M/s Fosroc (or equivalent of Krishna Conchem / Dr. Fixit / SIKA / Pidilite / BASF / Sunanda / Asian as approved by GE) over a coat of water based acrylic primer “Dekguard WB Primer” of M/s Fosroc (or equivalent of Krishna Conchem / Dr. Fixit / SIKA / Pidilite / BASF / Sunanda / Asian as approved by GE) as per manufacturer’s instructions for height upto 4 metre from average ground level complete all as directed by the Engineer-in-Charge.Note : Anti carbonation coating and water based primer shall be of same manufacturer. |
| 22 | Material and Labour for Rendering 15mm thick in cement mortar 1:4 on brick work or concrete surfacesfinished even and smooth without using extra cement, complete all as specified and directed. |
| 23 | Material and Labour for construction of Valve pit chamber of size 1200mm x 1200mm x 1200mm internal dimensionincluding necessary excavation & earth work in any type of soil, PCC 1:4:8 type D2 (40mm graded stone aggregate) in foundation, brick work with old size fly ash bricks in CM 1:4, 15 mm thick plaster in CM 1:4internally and externally flush pointed in same mortar as work proceeds, 75 mm thick PCC in coping all round in PCC 1:2:4 type B1 (using 20 mm graded stone aggregate), flooring shall be 40 mm thick PCC 1:2:4 type B1 (using 20mm graded stone aggregate) laid over and including 75 mm thick broken stone hard core.Top cover shall be made out of MS sheet 3.00 mm thick fixed in angle iron frame made out of angle iron size 40mm x 40mm x 6mm with two number of hinges on one side and locking arrangement at other side complete including painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer including dismantling of old existing unserviceable valve pit chamber complete all as specified and directed.Note : Any minor modification where required at site shall be deemed to be included in the quoted rates. The decision of GE shall be final and binding regarding extent to which the change can be considered as minor |
| 24 | Material and Labour for PCC 1:3:6 type C2 (uisng 40mm graded stone aggregate) 100 mm thick as in subbasewith fair finish surface with outusing extra cement complete all as specified and directed. |
