Public Works Department-PWD has published Periodical Renewal Of Road From Patunagar School To Dangerous Chowmuhani ( L 1.50 Km ) During The Year 2022-23 / Sh Side Berm, Patch Repairing, Tack Coat, Carpeting, Seal Coat, Etc.. Submission Date for this Tender is 29-08-2022. Coats and Jackets Tenders in Tripura. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Maintenance of Earth Shoulder (stripping 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. |
2 | Patch repairing/ Maintenance of bituminous surface road using Jhama brick aggregate & Viscocity Graded bitumen (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 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. |
3 | 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 heatingthe bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per Specification: On bituminous surface @0.50kg/sqm. |
4 | 20 mm thick Open-Graded Premix Carpetusing Bituminous (penetration 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 penetration 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. A) By manual means. I) Bitumen (60/70 Grade) VG-30 |
5 | 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) Type D (premix with fine sand) a)Bitumen (60/70 Grade) VG-30 |
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