Tender For Provision Of Ladder For Reaching Od Bed At Various Bts Sites In Phase Ix.2 Under Ctd, Kolkata. Under Csd - Vcomprising Jurisdiction Of Bdn- I & Ii ( 15 Nos.); 1 Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing : 2 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) 3 Centering and shuttering including strutting, propping etc. and removal of form for all heights: 4 Foundations, footings, bases for columns 5 Welding by gas or electric plant including transportation of plant at site etc. complete. 6 Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. 7 In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works 8 Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer. 9 M.S. tube. 10 12 mm cement plaster finished with a floating coat of neat cement of mix : 11 1:3 (1 cement : 3 fine sand) 12 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : 13 Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture 14 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. 15 Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix) 16 Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all loads including all lifts involved. 17 Lifting of ironmaterials and other necessary tools and plants upto height of 25 m through narrow passage and shaft or by rope of adequate strength from outside or by any other means as directed by the Engineer-in-Charge so as to erect the pole at roof top. 18 Ladder
