WBPWRD/SE/WHC-II/NIT_33/23-24

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. By mechanical means (without milling machine) : Upto 50 mm thick

Labour for picking up existing metalled road surface to a specified average depth, including screening and stacking the pavement materials. (c) For average depth above 75 mm but not exceeding 150 mm by manual means: (i) Stone-metal surface.

A. Plant Mix Method: Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant at OMC, carriage of mixed material to work site, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory power roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants and cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). GSB Grade-V Using Pakur Variaty of stone aggregates of required sizes and medium sand(Yellow). (Payment will be made on the basis of finished compacted volume).

A. Plant Mix Method: Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant at OMC, carriage of mixed material to work site, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory power roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants and cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). GSB Grade-II (Separation Layer) Using Pakur Variaty of stone aggregates of required sizes and medium sand(Yellow). (Payment will be made on the basis of finished compacted volume).

A. Plant Mix Method: Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant at OMC, carriage of mixed material to work site, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory power roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants and cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). GSB Grade-III (Drainage Layer) Using Pakur Variaty of stone aggregates of required sizes and medium sand(Yellow). (Payment will be made on the basis of finished compacted volume).

Wet Mix Macadam Base Course Providing, laying, spreading ond compacting graded stone aggregate to Wet Mix Macadam specification including screening of oggregoles and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tripper to site. laying in uniform layers with Paver in Sub- base / Bose course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting' guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clouse 406 of Specifications for Rood & Bridge Works of MoRT&H (5th Revision) Using Pakur Variety of stone aggregates of required sizes. (Payment will be made on the basis of finished compacted volume).

Providing and applying primer coat with Cationic Bitumen Emulsion (Bulk, SS-1) @ 0.85kg/m2 of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For WBM/WMM Surface. (Payment will be made on the basis of finished surface area)

Providing and applying Tack coat with Cationic Bitumen Emulsion (Bulk, RS-1) of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). On Bituminous Surfaces. By using Cationic Bitumen Emulsion (Bulk, RS-1) @ 0.25 kg/m2 Payment will be made on the basis of finished surface area.

Providing and applying Tack coat with Cationic Bitumen Emulsion (Bulk, RS-1) of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). On Granular surfaces (WMM) treated with Primer By using Cationic Bitumen Emulsion (Bulk, RS-1) @ 0.275 kg/m2 Payment will be made on the basis of finished surface area.