Public Works Department-PWD has published Flood Damage Repair Fdr Of Nh08 At Ch 291.90 Km During The Year 2021 22 Sh Protection Work By Retaining Wall And Block Pitching Etc. Flood Damage Repair Fdr Of Nh08 At Ch 291.90 Km During The Year 2021 22 Sh Protection Work By Retaining Wall And Block Pit. Submission Date for this Tender is 16-03-2022. Flood Protection Tenders in North Tripura Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Excavation for Structures: Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. i) Ordinary soil ii) By manual means iii) Upto 3 m depth |
| 2 | Cement concrete blocks (size 0.5 x 0.5 x 0.5 m): Providing and laying of apron with cement concrete blocks of size 0.5 x 0.5 x 0.5 m cast in-situ and made with nominal mix of M 15 grade cement concrete with a minimum cement content of 250 kg/cum as per IRC: 21-2000 as per drawings & MoRT&H technical specifications Clauses 2503. |
| 3 | Sand Filling in foundation trenches as per drawing & MoRT&H technical specification clause 304. |
| 4 | PCC 1:3:6 (using jhama brick aggregate) in Foundation: Plain cement concrete 1:3:6 nominal mix in foundation (using jhama brick aggregate) 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days as per drawings & MoRT&H technical specifications Clauses 2100. (including centering, shuttering, staging etc. but excluding reinforcement) |
| 5 | Plain / Reinforced cement concrete in sub structure complete including formwork as per drawings& MoRT&H technical specifications Clauses 1500, 1700, 2100. (including centering, shuttering, staging etc. but excluding reinforcement) i)PCCM 15 Grade (upto 5 m Height) |
| 6 | Supplying, fitting and placing Thermo-mechanically treated bar/cold twisted deformed steel bar reinforcement in Substructure complete as per drawings and MoRT&H technical specifications Clauses 1600, 2200 |
| 7 | Providing & laying filter media with jhama brick aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil & bigger size towards the wall & providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and MoRT&H technical specification clause 2504.2.2 |
| 8 | Providing weepholes in brick masonry/ stone masonry, plain/ reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe or PVC pipe (110 mm OD of 6.0 Kg/cm2pressure) extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and MoRT&H technical specification clauses 2706, 2200. |
| 9 | Construction of Embankment with Material Obtained from Borrow Pits: Construction of embankment with approved material obtained from borrow pits with all lifts, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per MoRT&H Technical Specification clauses of section 300. |
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