Western Railway Tender

DSR 2021 items

Description: Fabrication, Manufacturing & Transportation of Precast Prestressed Concrete elements of M45 grade design mix concrete(i) Fabrication & manufacturing of Prestressed Concrete (Pretensioned) elements such as panel, column etc. as per approved drawing in Controlled Factory Environment with approved methodology by using long line casting method. Concreting should be done by batch mixing plant with capable of producing zero slump concrete, transported through mechnical arrangement & layed on the bed, finishing, curing and also provision of steam curing. Cutting, making necessary cutout/holes of required sizes for services in PSC element after achieving required strength, yard handling & stacking all complete asper approved shop drawings & design mix as per the direction of the 1 Engineer-in-charge. (Cost of HTS wires shall be paid separately under relevant item).(ii) Transportation of Precast PSC Elements from casting yard to site of work by suitable Truck/Trailor with proper accessories, including the cost of loading, unloading & stacking at site with the help of required capacity cranes.(iii) The rate is inclusive of all ingredients i.e. cement, sand, aggregate,admixtures, water etc. including handling, batching, mixing, transporting,placing and vibrating of concrete, curing, scaffolding, shuttering, formwork, mould, staging, lifting arrangement as per approved drawing etc. with all lead and lift with contractor's own labour, tools & plantsmachineries all taxes etc complete as required for successfulcompletion of the item.Note-1: No payment shall be made for damaged Precast elementsNote-2: 70% payment shall be made when PSC elements reach to site and balance 30% payment shall be made after erection & placement inposition.Note-3: Incase of change of size of precast PSC element, payment shall be adjusted on volumetric pro-rata basis.

Fabrication, Manufacturing & Transportation of Precast RCC elements of M30 grade design mix concrete(i) Fabrication and manufacturing of precast concrete element such as foundation & column cap as per approved drawing, manufactured in controlled factory environment with approved methodology 2 including moulds, mixing, transporting and placing of concrete, vibrating, curing, finishing, making necessary cutout/holes of required sizes for services, yard handling & stacking all complete as per IS:11447:1985 and as preapproved shop drawings and design mix as per the direction of Engineer-in-Charge (Cost of steel for reinforcement shall be paid separately under relevant item).(ii) Transportation of Precast RCC Elements from casting yard to site ofwork by suitable Truck/Trailor with proper accessories, including the cost of loading, unloading & stacking at site with the help of required capacity cranes.((iii) The rate is inclusive of all ingredients i.e. cement, sand, aggregate, admixtures, water etc. including handling, batching, mixing, transporting, placing and vibrating of concrete, curing, scaffolding, shuttering, formwork, mould, staging etc. with all lead and lift with contractor's ownlabour, tools & plants machineries all taxes etc complete as required forsuccessful completion of the item.Note-1: No payment shall be made for damaged Precast elements.Note-2: 70% payment shall be made when PSC elements reach to site and balance 30% payment shall be made after erection & placement inposition.Note-3: Incase of change of size of precast RCC element, payment shall be adjusted on volumetric pro-rata basis. 3