Ministry Of Road Transport And Highways has published Tender For Restoration Of 3 Nos. Of Minor Bridges Between Km. 93_650 To Km. 94_500 On Nh_748 In The State Of Goa Under Nh O Annual Plan 2023 24. Retendered First Call.. Submission Date for this Tender is 18-12-2023. Bridge Work Tenders in South Goa Goa. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 mts. lead. Etc complete. |
2 | Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete wood work, steel work, including T & P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metresas per MORTH 202 By Manual means Cement concrete grade M-15 & M-20 |
3 | Sandblasting using Air Compressor with minimum pressure of 2kg/m2 on surface to clean surface of dust and corrosion over the entire strructure using course sand including all cost of labour and machinery etc all complete as directedby Engineer-in-charge. |
4 | Providing and inserting nipples with approved fixing compoundMC Fix STofMC Bauchemie or Equivalent after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy |
5 | Sealing of crack / porous concrete with Epoxy Grout (MC Dur 1264of MC Bauchemie or Equivalent)by injection through nipples complete as per clause 2803.1. |
6 | Sealing of cracks/porous concrete by injection process through nipples/GroutingWith AdmixtureMCEin preshilf EHofMC Bauchemie or Equivalent)complete as per Technical specification. Cement Grout |
7 | Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy (MC Dur 1250 &Accelerated compound Torkrethilfe BE ofMC Bauchemie or Equivalent)complete as per Technical specification |
8 | Eproxy bonding of new concrete to old concrete sqm |
9 | Applying epoxy mortar (MC Dur 1250 of MC Bauchemie or Equivalent)over leached,honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical specification |
10 | Pure epoxy resin based anchoring mortar for anchoring of rebars Providing and Supplying which is a two-component, thixotropic, pure epoxy resin based chemical anchoring mortar. The product is specially designed for applications where heavy loads under critical conditions are to be fixed in concrete. Both components of Masterflow® 935, packed in a single cartridge with separate compartments, are correctly mixed in the mixing nozzle during application. The product should be styrene free fomultation and shall have very low shrinkage, even on big diameters. All scaffolding, ladders, supporting materials etc. complete. Rates shall be inclusive of drilling of requisite holes in concrete, alllabour, materials, tools and plant etc. complete. |
11 | Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work.) Ordinary soil Manual Means (Depth upto 3 m) |
12 | Rubble packing with hard laterite stone under floors including watering, ramming & consolidating etc. complete |
13 | Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications. PCC Grade M20 |
14 | Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications. RCC Grade M30 Using Batching Plant,Transit Mixer and Concrete Pump |
15 | Supplying,fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specifications |
16 | 12mm cement plaster 1:3 (1 cement : 3 fine sand) |
17 | Drainage Spouts complete as per drawing and Technical specification |
18 | Steel work in single sections (SAIL, TATA. VIZAG & using electrodes of Ador or ES4B or Deh Secheron make only) including cutting, hoisting fixing in position and applying a priming coat of red lead paint. In R.S. joists, channels, angles, tees |
19 | Lifting of existing three span T-beam girder assembly with due care, each at two abutments and two piers for replacement of existing wornout elastomatic bearings pads below girders with use of hydraulic jacks and other required tools as per site conditions and lowering the same after replacement of bearing pads, etc. complete as directed by Engineer-in-charge. |
20 | Supplying,fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications. |
21 | Reinforced Cement Concrete Crash Barrier (Provision of an Reinforced cement concrete crash barrier at the edges of the road, approaches to bridge structures and medians, constructed with M-20 grade concrete with HYSD reinforcement conforming to IRC:21 and dowel bars 25 mm 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 24 June 1994 as per dimensions in the approved drawing and at locations directed by the Engineer, all as specified) |
22 | Providing and applying an elastic elastomeric membrane forming system with anticarbonation and berathing properties. The system (EMCECOLORFLEX + PRIMEX 250) or equivalent should be based on solvent free acrylic polymers with solid contents of 70 + 3% and should be ultra violet resistant, crack bridging type, water-proofing coating. For anti-carbonation, equivalent Air layer thickness denoted as R or SD CO2 > 50 m and for breathability equivalent Air layer thickness denoted as SD H20 shall be < 4 for vapour transmitting barrier. The system consists of one coat primer at 75-100 g/m2. The consuption of polymer coating to give film thickness of 200-225 microns should be approximately 400-450 gms/m2 per two coats. Polymer coating should be in suitable approved shades, including suitable surface preparation, cost of materials and labour for applying the above coating, and scaffolding charges, all inclusive of taxes. |
23 | Coal tarring two coats on newwork using 0.16 and 0.12 liter of coal tar per sq.m. in the first coat and second respectively. |
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