National Hydroelectric Power Corporation Limited has published Tender For Rehabilitation Of 69.6M Steel Truss Bridge Over Ravi River, D/S Of Chamera-I. Submission Date for this Tender is 21-03-2023. Bridge Work Tenders in chamba Himachal Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 01-Feb-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 08-02-2023 |
| 2 | 14-Feb-2023 | Corrigendum#1 | Date | 01-03-2023 |
| 3 | 06-Mar-2023 | Corrigendum#2 | Date | 21-03-2023 |
| Sl. No. | Item Description |
| 1 | Supplying, fabrication, assembling of all types of steel girders of specified spans with structural steel conforming to Quality "B0" Grade Designation E250 conforming to IS:2062, erection / slewing / end launching of steel girders with cranes or any other approved launching methods as per site conditions (not requiring traffic block) on sub-structure including provision of trolley refuges etc., complete as per approved QAP and drawings conforming to IRS-B1-2001 and other relevant codes and specifications. Note: 1. Detailed fabrication and erection drawings & launching methodology will be prepared by the contractor and got approved from Railway. 2. The item includes fabrication of all types of battens, bracings, ties, stiffeners, packing, diaphragms, shop rivets / welding, T&F bolts, drifts, SAW, templates, jigs, fixtures, accessories, transporting various components from fabrication shop to site including loading & unloading, assembly of girders with drifts/bolts, field riveting /welding /HSFG Bolting, 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 with all temporary arrangements or any other method of launching complete.3. The bearing sets to be provided with the girders will be paid separately as per relevant item.4. Payment for addition in weight for rivets / welds shall be made as per clause 45 of IRS B-1-2001.5. In case of composite work ( welding and HSFG bolts ), addition in weight shall be 1% for welding and HSFG bolts shall be paid separately under relevant item. 6. Painting of girders will be paid separately under relevant item.7. Payment Schedule: (i) Receipt of material at site: 40% (ii) Fabrication of girders: 20% (iii) Erection/Launching: 20% (iv) Completion in all respects: 20% (a) Open Web Girder above 45.7m clear span |
| 2 | Extra over above items for launching girders under traffic block 10% |
| 3 | Extra for metalising i/c preparation of surface and applying one coat etch primer to IS-5666 |
| 4 | Providing and fixing railing used in rows for footpath or anti-crash barrierrailing with B class G.I. pipe 65/50 mm nominal dia including cost of M.S. angle and channels in vertical posts, welding / bolting, priming painting withone coat ready mix Zinc Chromate conforming to IS:104 with DFT of 25-30Microns, followed by one coat of Zinc Chrome red oxide conforming toIS:2074 with DFT of 25 Microns with all material, labour, T&P as a complete job. |
| 5 | Extra over item 041060 for working under running traffic 10% |
| 6 | Supplying, Fabricating and fixing access ladders, inspection platforms, Trolley refuges etc., on bridges with structural steel conforming to IS:2062 including welding / bolting, priming painting with one coat of ready mixed paint of Zinc Chromate (IS:104) with DFT of 25-30 microns followed by one coat of Zinc Chrome Red Oxide (IS:2074) with DFT of 25 microns with all material, labour, T&P as a complete job. |
| 7 | Extra over item 041090 for working under running traffic/ traffic block 10% |
| 8 | Supplying, fitting and fixing in position true to line and level cast steel rocker/roller bearing of different load bearing capacity conforming to IS :7666, IS:9565, IS:1030, IS:919, IS:3073 and IRS Bridge Code including all accessories as per drawing and Technical Specifications with all material, labour, T&P as a complete job. The payment shall be made for the load bearing capacity in Metric Tonne as per approved drawing. |
| 9 | Extra over item 041100 for working under running traffic/ traffic block |
| 10 | Supplying, fitting and fixing in position true to line and level forged steel roller bearing of different load bearing capacity conforming to IS :7666, IS:9565, IS:1030, IS:919, IS:3073 and IRS Bridge Code including all accessories as per drawing and Technical Specifications with all material, labour, T&P as a complete job. The payment shall be made for the load bearing capacity in Metric Tonne as per approved drawing. |
| 11 | Surface preparation of steel work of bridge triangulated girders by cleaningwith scrappers and/or wire brushes to remove all rust and loose or perished paint to prepare perfectly clean & dry bare metal surface free from alldirt/foreign material & ready for initial coat of paint. Rate includes cost of labour, consumables, brushes, misc. tools and plants, ladders, scaffoldings, jhoola, hanging scaffolding, staging etc. |
| 12 | Painting cleaned bridge plate/composite girders including all scaffolding, shuttering and strutting along with provision of Jhoola / hanging scaffolding ladders etc. where required With one coat ready mix Zinc Chromate conforming to IS:104 with DFT of 25-30 Microns followed by one coat of Zinc Chromate red oxide conforming to IS:2074 DFT of 25 Microns |
| 13 | With two coats of epoxy paint conforming to RDSO spec M&C/PCN/123-11 Note: DFT of each coat shall be 60 microns. |
| 14 | Supply, fabrication and erection of bed plate of approved sizes in exact position over bed block on pier/abutments by giving full and even bearing, setting them on the layer of free flow non-shrinkable grouting compound, scrapping or chipping of bed block, if required, fabrication and fixing of HD bolts of suitable sizes alongwith nuts, washers etc., drilling holes of required size, grouting of holes by epoxy mortar after fixing HD bolts. Total work to be done during traffic block.Upto 12.2m clear span |
| 15 | Providing & applying epoxy with pot life not less than 60-90 minutes for bonding of new concrete with old concrete @ 0.80 kg/sqm and as per specifications including cleaning the surfaces complete as per approved procedure |
| 16 | Providing and laying design mix cement concrete of M-30 grade, in roads/ taxi tracks/ runways, using cement content as per design mix, using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per approved & specified design criteria, providing dowel bars with sleeve/ tie bars wherever required, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to required slope/ camber, finishing with required texture, including steel form work with sturdy M.S. channel sections, curing, making provision for contraction/ expansion, construction & longitudinal joints (10 mm wide x 50 mm deep) by groove cutting machine, providing and filling joints with approved joint filler and sealants, complete all as per direction of Engineer-in-charge (Item of joint fillers, sealants, dowel bars with sleeve/ tie bars to be paid separately)Note:- Cement content considered in M-30 is @ 340 kg/cum. Excess/ less cement used as per design mix is payable/ recoverable separately,Cement concrete prepared with batchmixing machine |
| 17 | Patching of damaged concrete surface with Pre-packed polymer concrete with averagethickness of 25mm.Curing compounds, initiator and promoter, available in the formulations, to be applied as per instructions of manufacturer and as approved by the Engineer in charge. |
| 18 | Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. |
| 19 | Providing / fixing / grouting various size HTS holding down bolt in concrete column or in other structural steel member using epoxy concrete including drilling holes of required size, bolts threaded at both ends shall be fixed with proper size nuts bolts, plates, washers complete including all labour and material |
| 20 | Supply, fabrication and erection of steel members to replace existing corroded members of built up section made up of MS plate, angles, channels of different thickness and sizes including painting with one coat of ready mix paint Zinc Chromate priming to IS:104 followed by one coat of ready mix paint red-oxide Zinc Chrome primining paint to IS:2074. Structural steel should conform to IS:2062 E250- Grade"B0". Fabrication and erection to be as per existing design initially by bolts and nuts and finally by rivetting during the sanctioned traffic block. Rate includes cutting of new steel work, removal of rivets by Drilling, dismantling of any existing members required for inserting fabricated members, fixing of new fabricated built up members with all tools, plants, labour, consumables, machinery and accessories etc. Work will be executed as per IRS:B 1-2001. |
| 21 | Surface protection of Bridge Deck by cleaning and preparing the surface by acid etching; treating the surface with a two-layer plaster; first layer of 5mm thick with cement (OPC or slag), admixed with an octadecanoic acid based cementitious waterproofing compound (bulk density not greater than 0.5 gm/cc) in the weight ratio of 50:3 for cement and waterproofing compound, further enriched with specially fabricated deformed galvanized steel fibre @ 150 gm/sqm of treated surface and second layer of 12mm thick cement-sand (1:2.5) plaster, enriched with polyester fibre (to be paid separately) and curing the plastered surface. Treatment shall be impermeable under a water head of 20m complete as per specifications. Rate is excluding cost of cement which shall be paid extra. |
| 22 | Reinforced Cement Concrete Crash Barrier.Provision of a reinforced cement concrete crash barrier at the edges of the road, approaches to bridge structure and medians, constructed with M20 grade concrete with HYSD reinforcement conforming to IRC:21 and dowel bars 25mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board, keyed to the structure on which it is built and installed as per design given in the enclosure to MOST Circular No. RW/NH-33022/1/94-DO III dated 24th June 1994 as per dimensions in the approved drawing and at locations directed by the Engineer, all as specified. |
| 23 | Road Delineators. Supplying and installation of delineators (road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming toIRC-79 and the drawings. |
| 24 | Strip Seal Expansion Joint Providing and fixing in position of standard preformed sealed and slab type or strip seal elastomeric type expansion joints for Railway bridge or Road Over Bridges as per approved drawings and latest MOST/IRC specifications. The rates are inclusive of supplying, fixing with contractor’s own materials, e.g. inserts, bolts, socket tubes, Neoprene sheet/cap etc., equipments, machineries, labour, all taxes, royalty, all lead & lifts, transport, testing, surface preparations, complete.For 80mm expansion |
| 25 | Metal Beam Crash Barrier Type - A, "W" : Metal Beam Crash Barrier Providing and fixing Single sided single"W" metalbeam crash barrier comprising of cold formed W profiled section having thickness of3mm (uncoated thickness) with frame width of 311 mm depth 83 mm and length 4318 mm (made of ISI marked HR coil confirming to IS: 5986/2011), to be fixed on cold formed channel sectionpost of size 150x75x5mm mm (made of ISI marked HR coil confirming to IS: 5986/2011) spaced 2 meter center to center of the post which will be of total height of 1.8 meter with its height of 1.10m below ground level and 0.7 meter above ground level. Metal beam rail to be fixed on the vertical post with spacer channel of cold formed channel section size 150x75x5mm and 330 mm long (made of ISI marked HR coil confirming to IS: 5986/2011). All the above components shall conform to clause 810 of MORT&H (Ministry of Road Transport & Highway) specifications including all fittings required for erection at road side. W-Beams, Posts, Spacer shall be hot dip galvanized with zinc coating of 550gm/sqm. All bolts, nuts and washers shall be hot dip galvanized to IS:1367, pt-XIII/1983 (Reaffirmed 2011) for bolts and IS:14394/1996 (reaffirmed 2011) for nuts. |
| 26 | Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead |
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