North Central Railway Tender

IRUSSOR 2021 ITEMS

CPWD DSR 2021 Items

Providing & laying design mix control concrete using weigh batching method, M-35/M-40 using Cement, coarse sand of approved quality and mechanically crushed well graded coarse aggregate 20mm and down gauge in RCC DECK SLAB, CENTRE VERGE, END CANTILEVER, RAILING BEAM, ANTI CRASH RAILING etc. at the approved safe height and distance from live OHE wires carrying 25KV AC traction to cast monolithically to the required level as per approved drawing & design over already launched main steel girder with proper joining arrangement through shear connector. The necessory shuttering arrangement has to be planned using already launched main steel girder. No support from ground will be allowed for this purpose. The rates includes for working under running traffic condition, all leads, lifts, ascents, descents, all other obstructions, cutting, hooking, bending, maintaining in position steel reinforcement, cost of MS binding wire of approved gauge, designing concrete mix using weigh batching including arrangement of weigh batching plant, mechanical mixing, vibrating of concrete, use of admixtures if required, curing of concrete for a specified period finishing . the exposed surface of concrete etc. complete. The cotractor should made adequate arrangement below the girders to avoid falling of any thing over the track during working for the slab. The rate also includes design and provision of all temporary arrangement for casting, erection, scaffolding and submission of detailed design and drawing for temporary works and to ensure safety of running traffic at all times. Note: Cement & reinforcement. steel & shuttering will be arranged by the contractor & payment for the same will be made separately under relevant SOR/NS Items. "