WBPWD/PW(R)/SEPD/PIU-I/NIT-11 OF 2026-2027_SL_1

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled aterials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202) By Mechanical Means Bituminous course

Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with Disposal upto 1000 metres. Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m (Reference to MoRT&H's specification clause 301 in 5th Revision).

Medium Sand Filling in Foundation Trenches with good local sand free from earth not exceeding 150 mm compacted thickness including inundating each layer by profuse water and porking and rammimg layer by layer. Quality of sand is to be approved by the Engineer-in-charge.(Reference to MORT&H's specification 304). (Payment will be made on the basis of finished compacted volume)

Granular Sub-Base with Graded Material Plant Mix Method Construction of granular sub-base byproviding graded material such as natural sand/crushed gravel/crushedstone/combination depending uponthe required grading spreading inuniform layers with motor grader on prepared surface, mixing by appropriate mechanical mixure (with controlled addition of water), and compacting with vibratory roller toachieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8),complete as per clause 401 Granular Sub-base (Grading - II) with Pakur variety stone material. (Payment will be made on the basis of finished compacted volume)

Granular Sub-Base with Graded Material Plant Mix Method Construction of granular sub-base byproviding graded material such as natural sand/crushed gravel/crushedstone/combination depending uponthe required grading spreading inuniform layers with motor grader on prepared surface, mixing by appropriate mechanical mixure (with controlled addition of water), and compacting with vibratory roller toachieve at least 98% of the maximum dry density for the material determined as per IS:2720 (Part 8),complete as per clause 401 Granular Sub-base (Grading - III) with Pakur variety stone material. (Payment will be made on the basis of finished compacted volume)

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table 400- 13 revised vide table 2 of IRC : 109 (2015) to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density . The thickness of a single compacted layer shall not be less than 75 mm.(Reference to MoRT&H's specification 406. Using Pakur variety stone material. (Payment will be made on the basis of finished compacted volume)

Prime Coat Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). For WBM / WMM Surface: [with Cationic Bitumen Emulsion (Bulk) CSS-1 Type @ 0.85 kg/ sqm] (Payment will be made on the basis of finished surface area)

Tack Coat Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). On Granular surface treated with primer: [By using Cationic Bitumen Emulsion RS-1 Type (Bulk) @ 0.275 kg/m2] (Payment will be made on the basis of finished surface area)