Public Works Department-PWD has published Maintenance Of Pmgsy Road Under Khowai Division During The Year 2023 24 Periodical Repair Of The Road From Behalabari To Bidyabil Ii L1.965 Km Link No.L049 Under Tulasikhar Rd Block 26 Asharambari Assembly Constituency Sh Wbm 3 Re Carpeting Seal Coat E W. Submission Date for this Tender is 31-08-2023. Road Work Tenders in khowai Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | A-Road Work |
| 2 | 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. (i) Surface Drains in Ordinary Soil (A) Manual Means |
| 3 | Water Bound Macadam Sub-Base / Base using Jhama Brick Aggragate ii. WBM Grading 3 Providing, laying, spreading and compacting jhama brick aggregates of specific sizes to 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. (A) By manual means |
| 4 | Prime Coat i) 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. |
| 5 | Tack Coat I) Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per MoRD Technical Specification Clause 503 |
| 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 Bitumen VG-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 Case -IV: Type D(premix with fine sand) ( I ) Bitumen VG-30 |
| 8 | Maintenance of bituminous surface road using Jhama brick aggregate Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method, filled with B.M (using jhama brick aggregate and bitumen of VG-30), after applying prime coat at the bottom and tack coat on sides and on bottom (using bitumen emulsion) and compacting, trimming & finishing the surface to form a smooth continuous surface, all as per MoRD technical specification Clauses 1900, 502, 503 and 504. |
| 9 | Construction material with material obtainedfrom borrow pits. construction of embankment with approved material obtained from borrow pits with a lift upto 1.5m , transporting to side , spreading ,gradding to required slope compacting to meet the requirementof tables 300.1 and 300.2 with a lead upto 1000m and as per Mord technical specification Clause 301.5. |
| 10 | Construction of toe walls for protection of slopes as per Drawing and MoRD technical specifications Clause 1302.5(including centering,shuttering staging etc.but excluding reinforcement) ii) Cement concrete grade M10 (using jhama brickaggregate) in case of concrete block pitching i) Nominal mix 1:3:6 |
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