Public Works Department-PWD has published Tender For Mtc. Of Road From Gonda Twisa-Amarpur Road To 60 Card Under Gonda Twisa Sub- Division (L-0.48 Km) /Sh- Metalling, Carpeting And Katcha Drain For The Year 2023-24.. Submission Date for this Tender is 19-06-2023. Road Work Tenders in gonda Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | SH: EARTHWORK, EROSION CONTROL AND DRAINAGE |
| 2 | Excavation in soil using Hydraulic Excavator and Tippers with disposal upto 1000 m. Excavator for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes in accordance with requirement of lines,grades and cross-section and transporting to the embankment location with all lifts and lead upto 1000 m as per MoRD Technical Specification clause 302.3. |
| 3 | 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 |
| 4 | SH:GRANULAR SUB - BASES, BASES ( NON-BITUMINOUS) AND SHOULDERS |
| 5 | Water Bound Macadam Sub-Base / Base using Jhama Brick Aggragate 1) WBM Grading- 2 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- 2 as per MoRD Technical Specification Clause 405. A) By Manual Means |
| 6 | Water Bound Macadam Sub-Base / Base using Jhama Brick Aggragate 1) 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 |
| 7 | SH:BASES AND SURFACE COURSES (BITUMINOUS) |
| 8 | 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. |
| 9 | 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. |
| 10 | 25 mm thick Open-Graded Premix Carpet using Bituminous (viscocity 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 Macnual Means. (i) Bitumen VG-30 |
| 11 | 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 of VG-30 |
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