Leak rectification in 5C Conference hall in Administrative Block

Amount

Rehabilitation

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 .

15.57:Dismantling aluminium / Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable material and stacking of serviceable material with in 50 metres lead as directed by Engineer - in-Charge

OD45202/2025-2026: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, (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.

OD45201/2025-2026:Rust removal: Cleaning as directed & specified all corrosion / rust / scales from reinforcement bars using rust remover Reebaklens RR of Fosroc make or Rustclean of BASF of Krishna conchem or equivalent leaving to dry for 30 mins & washing surface with fresh water as required to exposed reinforcement bars complete as specified and as approved by engineer shall be used as per manufacturers specification in two coats including all labour tools tackles, necessary surface preparation & necessary protection after & during repair work of jetty

OD45199/2025-2026:Anti Corrosive coating on steel bar: Clean the existing and new rebars using the rust remover if there exists any rust, otherwise clean the rebar free of foreign material. Mix the base and hardener of the anti-corrosive coating like Nitozinc Primer std.of Fosroc or equivalent mechanically using a slow speed heavy duty drilling machine fitted with mixing paddle. Apply the mixed materials to the cleaned rebar and allow it to dry complete. The rate shall include cost of all operations and etc complete

OD45200/2025-2026:Additional Reinforcement: Providing, Cutting, fabricating new reinforcement Fe 500 and fixing with old existing reinforcement which was reduced to less or more than 20% of its original diameter as provided in the original structure and additional steel as directed by EIC as required welding or tying with 16 gauge annealed binding wire complete as per drawing and specifications for heights as directed by Engineer-in-charge.

OD45198/2025-2026:Rebarring Main steel: 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.The chemical anchor material should attain a flexural strength as per EN196 in excess of 40 N/mm2 and an ultimate compressive strength of Min. 100 N/mm2 in 7 days. (for 10 to 25mm Dia of steel reinforcement)

OD45197/2025-2026:Injection Grouting-Cement polymer Cement: Providing and fixing Injection ports/nozzles at honeycombed area, cracks in CC, joints of channel and/or in staggered manner on all sides of Member at @ 0.5-0.75 M c/c spacing after drilling holes, to facilitate injecting cement-polymer grout, using quick setting material or epoxy putty and providing and executing injection / pressure grouting in prefixed nozzles/ports using Cement polymer grout (Cement : Polymer ) in proportion of (50:5) with non-shrink admixture Cebex 100 or equivalent and adding water for required consistency till no further grout is accepted by ports using grout pump, at all heights including all material, labour, tools, temporary supports for structures, electricity, plant and machineries, curing etc. complete as directed by Engineer-in-charge and/or consultant.

OD45196/2025-2026:Epoxy injection grouting Providing and executing injection/pressure grouting in cracks in the parent concrete by fixing PVC perforated nozzles at 150 mm to 200 mm distance or specified distances as per design and detailed specifications. Pressure grouting using low viscous epoxy grout Conbextra EP10M of Fosroc or Masterinject 1315 of BASF or equivalent having mix density 1050 kg/m3, Compressive Strength (ASTM D695)->50 N/mm2,Tensile Strength (ASTM C 304-97)-18 N/mm2,Flexural strength(BS 6319 Part 4)-55 N/mm2 IN 7 Days Pressure grouting shall be done at required pressure at all heights, including all material, labour, tools, temporary supports for structures, electricity, plant and machineries, curing etc. complete as directed by Engineerin-charge and/or consultant.

OD45195/2025-2026:Galvanic Sacrificial Prevention of steel by Point anodes: Providing and fixing sacrificial zinc anode to prevent initialization of corrosion of reinforcement in adjoining sound concrete due to chloride ingress by installing anodes from VECTOR Galvashield XPI or equivalent for patches at Min. 2 to 4 anodes / Sq.mt. area of concrete (spacing of 300 to 700mm), as per manufacturer specification, covered with mortar with of resistivity less than of parent concrete on the cleaned reinforcement steel as per manufacturers specification before applying passivation coating at all heights and including of all material, labour, tools, temporary supports for structures, electricity, plant and machineries, etc. complete as directed by Engineer-in-charge and/or consultant

OD45194/2025-2026:Polymer modified mortar for repair thickness less than 50 mm: Providing and Applying single component, dual shrinkage-compensated, 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 Zentrifix GM2/GSE (MC Bauchemie) make 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, 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)

OD45193/2025-2026:Protective coatings for Enviornmental face : Providing and applying a single component high build elastomeric, crack - bridging, resistant to CO2 and SO2 and Chloride ion diffusion, UV resistant, breathable acrylic coating using Dekguard S of Fosroc or BASF Masterprotect 300H or equivalent material applied in two coats (Each coat @ 175 micron WFT) on Silone siloxane based primer at an average coverage of 300-400 ml per Sq.mt including proper surface preparation using wire brush, hand grinder or High pressure water jet or copper slag blasting as required to accept coating, acrylic cementitious putty fairing

12.53:Providing and Fixing 15 mm thick densified tegular edged eco friendly light weight calcium silicate false ceiling tiles of approved texture of size 595 x 595 mm in true horizontal level, suspended on inter locking metal grid of hot dipped galvanised steel sections (galvanising @ 120 grams per sqm including both side) consisting of main ‘T’ runner suitably spaced at joints to get required length and of size 24x38 mm made from 0.33 mm thick (minimum) sheet, spaced 1200 mm centre to centre, and cross “T” of size 24x28 mm made out of 0.33 mm (Minimum) sheet, 1200 mm long spaced between main’T’ at 600 mm centre to centre to form a grid of 1200x600 mm and secondary cross ‘T’ of length 600 mm and size 24 x28 mm made of 0.33 mm thick (Minimum) sheet to be inter locked at middle of the 1200x 600 mm panel to from grid of size 600x600 mm, resting on periphery walls /partitions on a Perimeter wall angle pre-coated steel of size(24x24X3000 mm made of 0.40 mm thick (minimum) sheet with the help of rawl plugs at 450 mm centre to centre with 25 mm long dry wall screws @ 230 mm interval and laying 15 mm thick densified edges calicum silicate ceiling tiles of approved texture in the grid, including, cutting/ making opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc., wherever required. Main ‘T’ runners to be suspended from ceiling using G.I. slotted cleats of size 25x35x1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm G.I. adjustable rods with galvanised steel level clips of size 85 x 30 x 0.8 mm, spaced at 1200 mm centre to centre along main ‘T’, bottom exposed with 24 mm of all Tsections shall be pre-painted with polyster baked paint, for all heights, as per specifications, drawings and as directed by Engineer-in-Charge.

ARDEN INFRATECH PRIVATE LIMITED (BID ID -2266625)

Bidder Name

ARDEN INFRATECH PRIVATE LIMITED

CONSSPIRE GROUP