West Bengal Industrial Infrastructure Development Corporation Tender

Batch Mixed concrete of M 25 Grade with well Graded stone chips of 20 mm nominal size containing designed quantity of cement per Cu. M of Wet concrete produced in computerised batching plant under controlled condition using approved super plasticizer designing concrete mix following I.S 10262 and I.S. 456 transporting the mix with agitation in transit mixer to work site depositing the mix on a platform erected for the purpose at required level of concreting and then placing the mix in its final location of form work compacting and curing the same complete as per specification and direction of the Engineer-in charge including hire charges of computerised batching plant, transit mixer with all accessories vibrators etc. inclusive of all other incidental charges in this connection complete but excluding cost of hire charge of platform and its supporting staging which would be paid through separate item. Consumption of cement will not be less than 300 Kg of cement per cubic meter of controlled concrete but actual consumption will be determined on the basis of preliminary test and job mix foumula. [Cement to be supplied by by agency.]

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) (a) 25 mm to 30 mm shuttering without staging in foundation

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 intersection complete as per drawing direction including cost of wire. Tor Steel / Mild Steel ( SAIL/TATA/RINL) a) Upto Ground Floor roof level upto 4m

Relaying disturbed kerb stone on new concrete bed upto 75 mm thick

Relaying disturbed channel stone on new concrete bed upto 75 mm thick

Providing & fixing 20mm thick compressible fibre board in expansion joint complete as per drawing andtechnical specification.

Filler joint :- Providing and filling joint sealing compound as per drawings and technical specifications with coarse sand and 6% bitumen by weight