Kolkata Metropolitan Development Authority Tender

Hire and labour charges for shoring work(including necessary close plank walling, framing,Eucalyptus/Jhou bulla piling, strutting etc)complete as per direction of the Engineer-in charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Engineer in charge). (a) Depth upto 1.5m

For additional depth beyond 1.5 m. and upto 3.00 m

Cutting of C.l/D.I pipes for fitting with pipes and-or specials of similar or dissimilar materials at the time of laying without damaging any part of the required length including taking out of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-in-Charge. (a) 300 mm dia.

Sypply of E.R.W.M.S. (Electrical Resistant Welded M.S.) black pipe of ISI Mark as per relevent IS Specification ( heavy quality ) having wall thickness not less than 5 mm. [N.B.: The rates for supply of TATA Make pipe will be arrived at by adding 20% of the corresponding rates ].Sypply of E.R.W.M.S. (Electrical Resistant Welded M.S.) black pipe of ISI Mark as per relevent IS Specification ( heavy quality ) having wall thickness not less than 5 mm. [N.B.: The rates for supply of TATA Make pipe will be arrived at by adding 20% of the corresponding rates ]. (a) 300 mm dia.

LowerIng M.S pipes & specials in trench up to a depth of 3.00 metre below G.L, laying and jointing the same inside the trench / over ground by means of electric arc welding using standard electrodes as per l.S. specification, all complete as per direction of the Engineer-in-Charge. [The Engineer-in-Charge shall approve the electrodes for arc welding before use. (For laying over ground. the rates shall be reduced by 10% and that is inclusive of holding arrangements)LowerIng M.S pipes & specials in trench up to a depth of 3.00 metre below G.L, laying and jointing the same inside the trench / over ground by means of electric arc welding using standard electrodes as per l.S. specification, all complete as per direction of the Engineer-in-Charge. [The Engineer-in-Charge shall approve the electrodes for arc welding before use. (For laying over ground. the rates shall be reduced by 10% and that is inclusive of holding arrangements)

Coating of 'Food Gr. Epoxy' Resin of thickness not less than 240 micron with a low-viscosity, crystallization-resistant food grade epoxy resin base Sq.m 802.00 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, give anti-fungal properties ,as per guide line of FDA and USDA 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]Coating of 'Food Gr. Epoxy' Resin of thickness not less than 240 micron with a low-viscosity, crystallization-resistant food grade epoxy resin base Sq.m 802.00 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, give anti-fungal properties ,as per guide line of FDA and USDA 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]

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 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 flexible Flange Socket Tailpiece suitable for making flanged connection with the plain barrel of C.I. Spun Pipes (as per IS : 1536) and D.I. Pipes (as per IS : 8329). The Tailpieces to be supplied 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) 300 mm with length 125 mm

Gas cutting of M.S. pipes and/or plates of different thickness all complete as per specification and direction of the Engineer-in-charge. (a) 10 mm thick Plate

Field welding of M.S. plates by means of electric arc welding as per relevant I.S. specification using standard electrodes including edge preparation and charges of deploy-ment of electric generator set with fuel, lubricant and all other tools and plants all complete as per speci-fication and direction of the Engineer-in-Charge. a) 10 mm throat thickness

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]

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water,ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) By fine sand

Single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement concrete (Mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, in ground floor as per relevant IS codes. (a) Pakur variety.

Brick work with 1st class bricks in cement mortar (1:4). (a) In foundation and plinth

Plaster (to wall, floor, celling etc.) with sand and cement mortar including roundaing of or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (G Floor). (excluding cost of chipping over concrect surface ) With (4:1) cement mortar. (a) With 1:4 Cement mortar. (i) 20 mm thick Plaster

Neat cement punning about 1.5mm thick in wall,dado,window sill,floor etc.

Ordinary Cement concrete M-20 (3:1½ :1) with graded stone chips (20 mm size) excluding shuttering and reinforcement, if any in ground floor, as per IS : 456-2000. (a) Pakur / Chandil variety.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc. including supply 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 inter-section, complete as per drawing and direction.a) For works in foundation, basement and upto roof of ground floor/upto 4m. (a) For works in foundation, basement and up to roof of ground floor//upto 4 m. (i) Tor Steel (a) Other than SAIL/TATA/RINL

Hire and labour charges for shuttering with centering and necessary staging upto 4m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams, columns, lintels, curved or straight including fitting, fixing and striking out after completion of works. a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of the Engineer-in-Charge.

Add GST @18% on sum of Sl No 1 to 21

Add LWC @ 1% on sum of sl No 1 to 22