Public Works Department-PWD has published Maintenance Of Roads Kbk-Silaichari Rooad To Jogendra Chakma Paral-4.50Km And Kbk-Silaichari Road To Dhanchandra Paral-4.50Km Under Jurisdiction Jatanbari Sub-Division Pwd R And B / Sh-Wbm-Iii, Pmc, Sand Seal Coating, Soling 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 | Providing and laying flat brick soling layer on prepared subgrade according to lines, grades and cross-section shown on the drawing, filling joints with Earth, free from clay with a Plasticity Index not exceeding 6, watering and rolling the same with three wheeled road oller 80-100 KN as per MoRD Technical Specification Clause 412. |
| 2 | Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method, filled with B.M (using jhama brick aggregate & bitumen of VG-30), after applying prime coat at the bottom and tack coat on sides and on bottom (using bitumen emulsion) and compacting, trimming & finishing the surface to form a smooth continuous surface, all as per MoRD technical specification Clauses 1900, 502, 503 and 504. |
| 3 | 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 |
| 4 | 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. |
| 5 | 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. |
| 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 | (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.(i) Surface Drains in Ordinary Soil (A) Manual Means |
| 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 | Collection and supplying of Jhama bricks bats in/c carrying,loading, unloading,, stacking properly and laying the same in road depression and stretches in/c. spreading and binding materials and to make it good to proper grade and camber in/c. consolidation with wooden or steel rammer as per direction of the Engineer-in-charge. |
| 11 | 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. |
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