Periodical renewal of road from Rambazar to Dukhiakobra Para (L 2.20 KM) under Old Agartala R.D Block under PWD(R and B) Khayerpur Sub-Division during the year 2025-26 S.H. WBM-III, carpeting, sand seal coat, road side pucca drain etc.

Scarifying Existing Bituminous Surface to a depth of 150 mm by Mechanical Means Scarifying Existing Bituminous road Surface by Mechanical Means to a depth of 150 mm and diposal of scarified material with a lift upto 3 m and leads upto 1000 m as per MoRD Technical specification clause 301.4.

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 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. (A) By Manual Means.

Prime Coat. i)Low porosity Providing and applying prime 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.

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 granular surface treated with primer and cleaned with Hydraulic broom as per MoRD Technical Specification Clause 503.

25 mm thick Open-Graded Premix Carpet using Bituminous (Viscosity 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 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 - II By Mechanical Means (I) Bitumen of VG-30

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. Case - II : By Manual Means Case-IV Type D (Premix with fine sand) (I) Bitumen of VG-30

Road side Pucca Drains.Construction of road side pucca drain with M10 (1:3:6 with jhama brick aggregate) to specified lines, grades, levels and dimensions as per approved design and MoRD Technical Specification Clause 307, 1606. Excavated material to be used in embankment at site. (including centering, shuttering, etc. but excluding reinforcement).(B) Trapezoidal drain (top clear width 600 mm, bottom clear width 300 mm and clear depth of 600 mm)