Kolkata Metropolitan Development Authority Tender

For additional depth beyond 1.5 m. and upto 3.00 m

Hire & labour charges for diesel generating set for lighting including fuel, 300M wire, 11 points with 200 Watt bulb with post for hanging & maintaining the same for day & night for the period.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete.(Payment to be made based on the basis of measurement of finished quantity of work.

Field welding of M.S. plate by means of electric arc welding as per relevent IS specification specification using standard standard electrodes electrodes including including edge preparation preparation and charges of deployment of electric generator set with fuel, lubricant, and all other tools and plants all complete as per specification and direction of Engineer-in-Charge. [ Engineer-in-Charge shall approve the electrodes for arc welding before use ] (a) Throat thickness 8 mm

Supply of steel plates,as per IS Specification. (a) 10 mm plate thickness.

Gas cutting of M.S. pipes and/or M.S. plates of different thickness all complete as per specification and direction of the Engineer-in- Charge. (a) 8 mm thick

Fabricating M.S. pipes of different diameter in shop out of 8mm to 12mm thick M.S plates supplied departmentally, cutting the plates to exact size & shape by gas cutting device and/or by adopting any other approved type of mechanical means, bending the same in true curvature by template and rolling machine of approved design including proper marking, levelling joints followed by electric arc welding as per relevant I.S. specification - longitudinal and circumferential, as necessary, usiug standard electrodes including edge preparation, electricity charges and hydraulic testing of the fabricated piece all complete as per specification and direction of the Engineer-in-Charge.[The Engineer-in-Charge shall approve the electrodes for arc welding before use.] (a) 8 mm thick

Derusting, scraping, brushing and cleaning (to the extent of exposing the original surface) the outer surface of manufactured M.S. pipes and specials. applying first coat of synthetic primer Type-B as per IS : 15337 : 2003 of approved make over it and wrapping the same with coal tar based insulating tape 2 mm thick as per IS : 15337 : 2003 of approved make and applying the second coat of synthetic primer Type - B (as specified above) over the first layer of insulating tape and wrapping the same with second layer of 2 mm thick coal tar based insulating tape (as specified above) in staggered pattern (including overlapping at ends) by torching etc. as per manufacturer's specification and as per direction of ElC. Each layer of protective wrapping shall be tested with Holiday detector at Contractor's cost and the Contractor' shall repair all holidays to the satisfaction of ElC at no extra cost (Payment will be made on finished area of work)

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. (a) Pakur Variety

Reinforcement for reinforced concrete work in all sorts of structures including CI stribution bars, stirrups, bindees etc.includingsupply of rods, initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bendIng to correct shape, placing in proper position and bindIng with 16 gauge black annealed wire at every intersection, complete as per drawing and dIrection. (a) For works in foundation, basement and up to roof of ground floor//upto 4 m. (i) Tor Steel/Mild Steel. (I) SAIL/TATA/RINL

Hire & labour charges for shuttering with centreing and necessary staging upto 4 m using approved stout and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams,columns, lintels curved or straight includingfitting, fixing and striking out after completion of work .(Upto roof of ground floor). a) Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work

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 standardand 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 damage from 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]

Supplying, fitting and fixing of C.I. Mechanical Compression flexible Collar Couplings suitable for C.I. Spun Pipes (as per IS: 1536) and D. I. Pipes (as per IS: 8329) complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type - 4), Cast Iron Follower Glands and Mild Steel Nut Bolts (Zinc Coated). The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. (a) 350 mm dia

Add LWC @ 1% on sl No 1 to 14 i.e

Add LWC @ 1% on sl No 1 to 15 i.e