Public Works Department-PWD has published Maintenance Of Road From Jatanbari Fire Service To Chellganga, Under Karbook Block L-10.87Km Sh- Pot Hole Repairing, Re-Carpeting, Seal Coat And Other Allied Works Etc During The Year 2022-23. Submission Date for this Tender is 13-09-2022. Road Work Tenders in amarpur Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Patch repairing/ Maintenance of bituminous surface road using Jhama brick aggregate & viscocity gradedbitumen (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. |
| 2 | Water Bound Macadam Sub-base/base: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 KN in 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 405.2) WBM Grading -3B) By Mechanical Means |
| 3 | 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. |
| 4 | Tack coat: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. |
| 5 | Tack coat using hot straight run bitumen of grade VG-30 on bituminous surfaceProviding 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. |
| 6 | 20 mm thick Open-Graded Premix Carpet using Bituminous (viscocity 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 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 threewheel 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 of 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 of VG-30 |
| 8 | Providing and placing gunny / polythene (of minimum wall thickness of 500 micron) bags filled with sand (of minmum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification. |
| 9 | Clearing and grubbing road land including uprooting wild vegetation , grass, bushes, shrubs,saplings and trees of girth upto 300 mm , removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MoRD Technical Specification clause 201.(I) By Manual Means(A) In area of non-thorny jungle |
| 10 | (i) Surface Drains in Soil:Construction of unlined surface drains of average crosssectional 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. |
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