Kolkata Municipal Corporation Tender

Field welding of M.S. plate by means of electric arc welding as per relevent IS specification using standard electrodes including edge preparation and charges of deployment of electric generator set with fuel,lubricant, and allother tools and plants all complete as perspecification and direction of Engineer-in-Charge.[Engineer-in-Charge shall approve the electrodes for arc welding before use ] Throat thickness in mm 5mm to 6mm

Coating of 'Epoxy' Resin of thickness not less than 160 micron with a lowviscosity,crystallization-resistant epoxy resin base with a reactive diluents combined with high build epoxy amine adducts as per BS 5493 standard and a polyamide or amido polyamine or any other suitable hardener. It shall react with epoxy resin at normal ambient temperature, suitable for solvent-free coatings as per recommended proportion for use on metal,concrete and wood surface to protect from corrosion as well as damagefrom chemical reaction after making the surface free from dust, oil and moisture etc. all complete as per instruction and to the satisfaction of ElC. [This item will be operated on prior permission from the concerned SE/Dy Chief Engineer]

Stripping off worn out plaster and raking out joints of walls,celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.

Applying epoxy based reactive joining agent for joining the old concrete with fresh concrete to be applied within manufacturer's specified time as per manufacturers specification. (0.4 Kg / m? of concrete surface).Note: Applicable only when the full diameter of reinforcement steel is exposed.

Polymer concrete made with water resistant bonding agent of synthetic rubber emulsion as per manufacturer's specification excluding the cost of cement concrete (2.75 Kg / bag of cement) Note : Payment on volume of (1 : 1? : 3) Concrete.

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs,beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor).(When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof).(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.Notes:- For shuttering in shell roof, grid roof with vertical faces folded plate, arched roof the rate in 36 (a), 36 (b) & 37 (c ) of subhead B above to be increased by 100 % . For grid roof with splayed faces, rate is to be increased by150%.

Plaster (to wall, floor,ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface](iii) With 1:3 cement mortar (a) 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Dewatering by pumps including all leads, lifts and making all arrangements of disposal. where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections. [Note ;- In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor]

Estimated amount

Add: 18%GST

1% LWC