Construction of Paver Block road at Boro Lokhindong (Ph.-II) under Border Development Activities in the Inter-State Border 2025-26

Site Clearance Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, sablinga 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 autioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mmin thickness as per technical specification clause 201.I. By Manual means. (A). In area of thorny jungle.

Earthwork, Erosion Control and Drainage Construction of Subgrade & Earthen shoulders Construction of Subgrade and earthen shoulders with approved material of obtained from borrow pits with all lifts and leads, transportating to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (i). Govt. land

Surface drain in soil Construction of unlined surface drain of average cross - section area 0.40 sqm. in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift up to 3m and lead of 50m (average lead 25m) as per technical specification clause 307. A. Manual means.

Granular Su-Bases, Bases (Non-Bitumonous) and Shouldres Gravel/Soil - Aggregate Base (Table 400.2) Grading B Construction of Granular Sub - Base (GSB) by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotabator at OMC, and copacting with three wheel 80 - 100 KN static roller capacity to achieve the desired density, complete as per technical specification clause - 402.

WBM Grading - 3 Using stone screening Type - B 11.2 mm for Gr - III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80 - 100 KN stetic roller in stages to proper grade and camber, applying and brooming, crushable screening to fill up the interstices of coarse aggregate, watering and compacting to the required density. Grading 3 as per specification clause 405. (A). By Manual Means

A. (i). Inter locking concrete Block pavement Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage.

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