GENERAL- SR-2024-2025 Strengthening of columns and beams of ABCD Block attached to Govt.medical college Kozhikode -work- General Civil Work

Amount

Repair work

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight 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. staricase 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 inspection of work at required location 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 will 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 .

OD82432/2024-2025:Removing damaged concrete: Loose and delaminated concrete shall be identified and marked before proceeding with the removal. The loose cover concrete including the loose damaged concrete shall be removed upto beyond the corroded bars to a minimum depth of 10 mm behind the reinforcement. Only affected concrete shall be removed and conducting proper investigation, (Good & sound concrete should not be chipped / damaged) by chipping / hacking with chisel and hammer or by mechanical means like light weight chisel hammer, pneumatic chippers, making saw cut at periphery to avoid feather edge for all height and removal and disposal of debris at designated location including all material, labour, tools, temporary supports for structures, electricity, plant and machineries etc. complete as directed by Engineer-in-charge and/or Consultant. Depth of chipping may vary from 20 to 100 mm.

OD82433/2024-2025:Anchoring Steel & Shear Connectors: Drilling holes into existing concrete structure for anchoring of new rebar with 10 mm dia. shear connectors at 0.5 Mt. c/c (or as per design recommendation) and fixing with anchor resin grout Lokfix P / Lokfix E 75/55/35 series or Emfix or pure epoxy resin based cartridge form chemical anchor material or Masterflow 935 of BASF or equivalent as per NF P 18-831 and NF P 18- 836. Drilling hole for diameter: 14 mm, Drilling hole for depth: 100 mm including cleaning, cutting, fabricating, chemicals, material, labour, tools, temporary supports for structures, electricity, plant and machineries etc. complete as directed by Engineer-in-charge and/or consultant for all heights

OD82434/2024-2025:Anchoring mainsteel and stirrups: Drilling holes of min 4mm larger than new rebar diameter into existing concrete substrate for anchoring of new rebar and depth of Min. 10 times the diameter of rebar and fixing with anchor resin grout Lokfix E (35/55/75) series or Lokfix P or Emfix or chemical anchor material or Masterflow 935 of BASF or equivalent as per NF P 18-831 and NF P 18-836 including cleaning, cutting, fabricating, chemicals, material, labour, tools, temporary supports for structures, electricity, plant and machineries etc. complete as directed by Engineer-in-charge and/or consultant for all heights

OD82435/2024-2025:New/Additional steel Reinforcement: Supplying, cutting, fabricating new reinforcement Fe500 for Jacketing, and providing additional steel reinforcement to compensate corroded reinforcement in existing member etc. and fixing with old existing reinforcement which was reduced to 15 % or more of its original diameter as required as provided in original structure and additional steels as directed by EIC and/ or consultant as required tying with 16 gauge annealed binding wire complete as per drawing and specifications for all heights including all material, labour, tools, temporary supports for structures, electricity, plant and machineries, curing etc. complete as directed by Engineer-incharge and/or consultant (TMT BARS of various size as required)

OD82436/2024-2025:Rust remover/Rust Convertor: Cleaning of rust / scales / corrosion from reinforcement bars should be carried out using acid based rust remover, Reebakleens RR of Fosroc or equivalent, or using alkali based rust converters such as Feovert of Krishna Conchem. The material is to be applied to the rusted metal bar, using brush and leaving it to dry for 30 Min. & washing surface with fresh water as required to exposed reinforcement bar at all heights, including all material, labour, tools, temporary supports for structures, electricity, plant and machineries complete as per detail specification and as directed by Engineer-in-charge and/or Consultant. The concrete surface area containing the cleaned rebars shall be measured for payment

OD82437/2024-2025:Anti Corrosive treatment to Steel: Providing & applying inhibition coats/system to exposed reinforcement bars & also new bars, after cleaning & removing scales and rust completely as specified in 1.4, Two component inhibitor Nitozinc Primer std. of Fosroc or MasterEmaco P130 of BASF or equivalent having specific gravity of 1.75 and solid content 57(+/-3) Adhesive bond strength > 1.5 N/mm2, 40 microns DFT per coat as approved by Engineer-in-charge and/or Consultant shall be used as per manufacturer?s specification in two coats at all heights, including all material, labour, tools, temporary supports for structures, electricity, plant and machineries, necessary surface preparation and necessary protection after and during work. The concrete surface area contianing the rebars where the treatment is carried out shall be considered for measurement.

OD82438/2024-2025:Polymer Modified Mortar (Pre-Packed): Providing and Applying single component, high strength, fibre reinforced, thixotropic cementitious patch repair mortar that achieves compressive strength minimum of 15 MPa at 1 day and 45 MPa at 28 days and capable of applying upto 50mm thick in single layer such as Renderoc SP40 of Fosroc or Master Emaco S 348 of BASF or equivalent, to the prepared concrete area for thickness up to 50mm, after applying epoxy resin based bonding coat as per manufacturer?s specification, before the bonding agent becomes tack free, initially by hand and finally finishing the same with trowel carefully compacting the same around the rebar and finishing to bring it in line with existing concrete surface on the columns, slabs, beam etc. at all heights, where the thickness of application is less than 50 mm in patches as per specification . Item rate is inclusive of all material including the bond coat, labour, tools, temporary supports for structures, electricity, plant and machineries, curing etc. complete and as directed by Engineer-in-charge and/or consultant. (Payment to be made in Sq.M for thickness upto 50mm of PMM for patch area repaired)

OD82439/2024-2025:Microconcrete Reinstatement for thickness more than 50mm for RCC members:- Providing and laying of special repair material micro-concrete for reinstatement of members having thickness of repair more than 50mm and jacketing, using Single omponent, high strength, high flow cementitious micro-concrete having compressive strength minimum of M40 at 28 days such as MasterEmaco 346 or Renderoc RGL / RGS of Fosroc or equivalent, blended with washed saturated surface-dry (SSD), graded, low absorption, high density, aggregates of size 3mm to 10mm at 50% by weight of micro concrete (if thickness is 100mm or more) and water as per data sheet and pouring into the shuttering if required than use birds beak type form work using suitable arrangement or if required using pumping device for uniform flow of Microconcrete. The side shuttering can be removed after Minimum of 24 hours, preferably 3 days and the bottom shuttering after 7 days ensuring proper bond between the micro concrete and existing concrete substrate at all heights, including all material, labour, tools, temporary supports for uctures, electricity, plant and machineries, curing etc. complete as directed by Engineer-in-charge and/or consultant. (Payment shall be made in Sq.M for thickness upto 100mm of Microconcrete of area repaired, ) including shuttering work (Only steel reinforcement shall be paid in other relevant items)

14.75:Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of Engineer-In-Charge.

13.4.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 coarse sand)

13.46.1:Finishing walls with Acrylic Smooth exterior paint of required shade:New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

14.53.1:Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade:One or more coats on old work

OD93127/2024-2025:Applying good quality damp proof course of approved brand two or more coat on old work after applying primer coat etc complete

OD93181/2024-2025:Providing and fixing in position Stainless steel Grade 304 Corner guards 160mm wide including cost & conveyance of all materials and lablour charges etc complete as per the direction of engineer in charge.

11.36:Providing and fixing I st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer -in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Bidder Name

Santhosh Kumar K.V.