Public Works Department-PWD has published Periodical Maintenance Of Approach Road Of Different School, Big Market Area, Panchayet Office, Bus Stand & Hospitals Etc. Under The Jurisdiction Of Rajnagar Sub-Division During The Year 2022-23. / Sh: Wbm-3, Prime Coat, Tack Coat, Carpeting, Seal Coat An. Submission Date for this Tender is 18-10-2022. Road Work Tenders in rajnagar Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | 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 |
| 2 | 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 |
| 3 | 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 dry and hungry bituminous surface cleaned with Hydraulic broom as per MoRD Technical Specification Clause 503. |
| 4 | 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. |
| 5 | 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 |
| 6 | 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 |
| 7 | Maintenance of Earthen shoulder (Filling with fresh selected soil) Making up loss of material/irregularities on shoulders to the design level by adding fresh approved selected soil and compacting it with appropriate equipment at OMC upto a lead of 1000 m as per MoRD technical specification clause 1903. |
| 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 technial specification Clause 1903. |
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