Uttar Pradesh State Bridge Corporation Limited Tender

Construction of 2 lane ROB in lieu of level X-ing 76 Special at Railway K.M. 149/9- 150/0 on Prayagraj–Phaphamau Rail Section on Lalla Chungi to IERT Marg (Near IERT Gate ) in Digtrict.-Prayagraj.

Supplying of all types of structural steel conforming to Approved Drawing of Railway, fabrication, assembling,erection/ slewing / end launching of Bow String steel girders (requiring traffic block from Railway) of 74.00 M(C/C from Bearing) span on sub-structure.complete as per approved drawing ind. metallising as per NOTE (i) below as per IRS-B-1 on all members,(Detailed fabrication and erection drawings & launching methodology will be prepared and got approved by the contractor from Employer or its authorized representative as per case may be.) Rate include fabrication of all the types of battens, bracings, ties, stiffeners, packing, diaphragm$ shop rivets /welding, T&F bolts, drifts, shop welds, templates, jigs,fixtures, back up supports, accessories, transporting various components from fabrication shop. to site,including loading, unloading, lift and all taxes complete. Assembly of girders on-drifts/ bolts, field riveting/welding, assembling of temporary support for side slewing, raising of girders to the bed block level,providing sliding arrangements and slewing the girder in position, lowering of girder on bearings and bed plates. Grouting holes in the bed block for fixing of HD bolts / anchor pins of bedplates, all temporary arrangements. Construction of 2 Lane ROB in lieu of level X.ing 76 Special at Railway K.M. 149/9''150/0 on Prayagraj– Phaphamau Rail Section on Lalla Chungi to IERT Marg(Near IERT Gate ) in District-Prayagraj ( Bow String Steel Girder) 74.00 M ( C/C from Bearnal As Der RDSO Drawing No. B -10418

Quoted rates for above shall include. Metallising girder/girder componenb such across girders, stiffeners, bracing etc. of new steel girder as directed by Engineer with aluminum spray notless than two layers after preparing surface by sand/gritblasUng (as per clause3 of IS6586 & appendix A of IS:5905) as per the provisions laid in Appendix VII of IRSB12001 specifications (with latest correction sliPS) with conb-actor’s own material, tools, plants, labour,loading, unloading, transportation, handling, rehandling required if any, including all lead, lift,descenb, crossing of tracks/obstructions etc. complete in all respect and asperdirection of Engineer in charge.Aluminum spray used for metallising shall have 99.5% Aluminum composition conforming to IS:2590. Wire methodshall be used for metallising and diameter of wire shall be 3 mm or 5 mm. Specified thickness of coating shall be applied inmultiple layers and in no (.nse 1 iss than two passes of metal spraying shall be made over every part of thesurface.Atleast one laYer of coating shall be applied within fourhours of blasting and surface must be completely coated within8hoursof I blasUng.The nominal thickness of the coating shall I be150micron and surface of sprayed coating shall be I of uniform texture and free from lumpslcoarse areas1 and loosely adherent particles. Work shall be executed 1 as per provisions of Appendix-VIIof IRS-BI 200land I provisions contained in chapter 21 of Indian Railway I Unified sbndard specifications.