Public Works Department-PWD has published Maintenance Of Road I) Hrishyamukh Food Godown Approach Road (L-400.00 Mtr), Ii) Hrishyamukh Electric Sub-Division Office Approach Road (L-200.00 Mtr),Iii) Hrishyamukh H.S. School Approach Road (L-200.00 Mtr) And Iv) Nalua Gram Panchayet Approach Road (L-. Submission Date for this Tender is 04-09-2023. Road Work Tenders in hrishyamukh Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Patch repairing / Maintenance of bituminous surface road using Jhama brick aggregate & Viscosity Gradedbitumen (VG-30) Repairing pot-holes and making up small depressions with ramming or power rolling after removal/ disposal of disintegrated materials within a lead of 50 m, cutting pot holes to regular shapes with vertical edges and levelling the bottom, cleaning the same with compressed air or any other appropriate method including screening, cleaning of aggregates; and filling up with jhama chips using bitumen of VG-30 @54 Kg per m3 of loose volume of jhama brick chips, after applying tack coat of bitumen on sides and bottom @ 0.75 kg/sqm and finishing the top of repaired surface levelled with adjoining area in proper grade and camber including spreading of sand @ 0.006 cum/sqm of prepared road surface as per direction of the Engineer-in-Charge and all as per MoRD technical specification Clauses 1900, 502, 503 and 504. |
| 2 | WBM Grading 3 Providing, laying, spreading and compacting jhama brick aggregates of specific sizesto water bound macadam specification including spreading in uniform thickness, hand packing rolling with three wheel roller 80-100 KNin stages to proper grade and camber, applying and brooming,binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per MoRD Technical Specification Clause 405. I. By Manual Means |
| 3 | Prime Coat Low porosity Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70- 1.00 kg/sqm using mechanical means as per MoRD Technical Specification Clause 502 |
| 4 | Tack Coat Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surface treated with primer and cleaned with Hydraulic broom as per MoRD Technical Specification Clause 503. |
| 5 | Tack Coat using hot straight run bitumen of grade VG-30 on bituminous surface Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: on bituminous surface @ 0.50 Kg/Sqm. |
| 6 | 20 mm thick Open-Graded Premix Carpet using Bituminous (Viscosity grade / modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using Viscosity grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 508 Case - I: By Manual Means BitumenofVG-30 |
| 7 | Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 510. A. By Manual Means i) Case - IV : Type D (premix with fine sand) a) Bitumen of VG-30 |
| 8 | Maintenance of Earthen shoulder (stripping of excess soil) Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawing and MoRD technical specification Clause 1903. |
| 9 | Surface Drains Construction of unlined surface drains of average cross- sectional area 0.40 sqm in ordinary soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3 m and lead of 50 m (average lead 25 m) as per MoRD Technical Specification Clause 307. a) Surface Drains in Ordinary Soil i) Manual Means |
| 10 | Flat brick soling Providing and laying flat brick soling layer on prepared subgrade according to lines, grades and cross-section shown on the drawing, filling joints with Earth, free from clay with a Plasticity Index not exceeding 6, watering and rolling the same with three wheeled road roller 80-100 KN as per MoRD Technical Specification Clause 412. |
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