Public Works Department-PWD has published Tender For Maintenance Of Road From Gnt-Amp Road To Prokashjoy Para (Ch. From 0.00 Km To 3.50 Km) And Different Stretches Of Gnt-Amp Road Under Gnt Sub-Div, Pwd(Rnb) During The Year 2022-23 (Additional Fund)/Sh- Patch Wbm-Iii, Patch Carpeting, Seal Coati. Submission Date for this Tender is 06-01-2023. Road Work Tenders in gonda Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | SH: GRANULAR SUB-BASES, BASES (Non-Bituminous) AND SHOULDERS |
| 2 | 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 |
| 3 | SH: BASES AND SURFACE COURSES (Bituminous) |
| 4 | Prime Coat ii) 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 (iii) 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 & 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 25 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using viscocity 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. (i) 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 | SH: MISCELANEOUS ITEMS FOR ROADS |
| 9 | Seal Coat Seal coat on old bituminous road surface. Sand seal coat on old bituminous road surface by applying Viscocity Graded (VG-30) bitumen @ 1.00 kg per sqm using rubber brush after proper cleaning of the road surface and spreading of river sand @ 0.06 cum/10 sqm complete as per specification and direction of the Engg.-in-Charge. |
| 10 | SH: EARTHWORK, EROSION CONTROL AND DRAINAGE |
| 11 | 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. Surface Drains in Ordinary Soil A) By Manual Means. |
| 12 | SH: MAINTENANCE OF ROAD |
| 13 | 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. |
| 14 | Providing and placing gunny/ polythene (of minimum wall thickness of 500 micron) bags filled with sand (of minimum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification. |
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