The Rail Infrastructure Development Company (Karnataka) Limited(K-RIDE) has invited bids from eligible Bids, for the construction of works detailed in the table below under Single stage: Two tender document system (Technical Bid and Financial Bid).”
- Tender Notice No.: K-RIDE/DL/04/2021
- Name of Work: Baiyyappanahalli-Hosur Doubling Project: Construction of 1×76.2m span open web girder (welded through type) for Bridge No.533, 1 x18.30m span composite welded girder + 2×7.5m RCC box extension for Bridge No.531, 2 x 30.5m span prestressed concrete Box Girder (PSC) for Br. No.519A(only superstructure) andsteelgirderbridge to carry pipe line for Br.no. 516A for new doubling line between Baiyyappanahalli ‘A’ panel and Belandur Road Stations in Bangalore Division of South Western Railway.
- Approx. Value of work: INR 22.59 Crore
- EMD: INR 22,58,930/-
- Period of completion: 12 Months
- Date of pre-bid Meeting: 15.03.2022
General:
- This specification covers supply, fabrication, assembling, erection and launching of Steel superstructure (Girders) and bearings.
- The fabrication of steel girder bridges is being done by various Railway Workshops as well as through trade. The fabrication is governed by the provisions of.
- Indian Railway Standard specification for fabrication and erection of steelgirderbridgesandlocomotiveturn-tables.(B1-2001).
- Indian Railway Standard Code of Practices for metal arc welding for structural steel bridges carrying rail cum road or pedestrian traffic (Adopted 1972 Revised 2001).
- Guidelines on fabrication of steel girders for construction/Field engineers BS–110(R)-issued by RDSO.
Scope of Work:
- Supply, Fabrication, assembling and Erection of Open Web Steel Girders/Plate Girders and Composite Plate Girders for RailwayBridges(as per IR loading) and Bow String Steel Girders/ Composite Plate Girders (as per IRC loading) of specifieds pan(s) as mentioned in GAD including erection and launching (with or without power and traffic power blocks, as applicable) for Rail/ Road under Bridges (RUBs.)
- Providing and fixing in position standard fixed type POT bearing, free sliding type POT cum PTFE bearings, Spherical bearings as per approved drawings including designs of bearings wherever required.
- Preparation of temporary Arrangement Drawings (TAD), Launching Scheme, Fabrication/Detailed Shop Drawings including drawing office dispatch lists (DODL), and other documentation as required by Railway.
- Preparation of Quality Assurance Plan (QAP) for super-structure including bearings.
- Other miscellaneous works as listed in Schedules/GCC/SCC.
- The contractors/agencies and officials associated with fabrication work should have thorough understanding of both the codes under para 1.2 (i &ii). However, the “Guidelines on Fabrication of Steel Girders for Construction/Fieldengineersbs-110”, help the field engineers associated with execution of the fabrication work through trade and cover various aspects which require close attention of the field engineers for ensuring quality of the fabrication work. These guidelines are just to facilitate and not to supersede the two codes specified in para (i)&(ii) above.
- All engineers associated with fabrication are advised to understand the provision of IRS B1-2001 and Welded Bridge Code and take help from guidelines specified in para1.2(iii)above.
- Site Inspection: Tenderers are requested to inspect the site and carry out careful examination to satisfy them as to the nature of work involved and facilities available at the site. They should note carefully all the existing structures and those under construction through other agencies.
- They should also study the suitability of utilizing the different equipment and the machinery that they intend to use for the execution of the work. The tenderer should also select suitable sites for the purpose of locating their store yard, laboratory, staff quarters etc., and satisfy themselves with regard to the feasibility of transporting the trusses from the yard to the finalsite of placement etc.
Bidding Documents can also be downloaded free of cost from K RIDE website www.kride.in.
Source: K-RIDE-Tender | Image Credit (representational): RVNL
