Kolkata Municipal Corporation Tender

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. (a) By manual means : (i) From 25 mm to 50 mm thick. ( Ref :PWD (Rds & Brdgs)-2018, It. No. 18.02 Page No.331)

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by consolidating Jhama metal  / Laterite (63 mm to 45 mm) (Moorum replaced with course sand)

Tack Coat  Providing and applying tack coat with Cationic Bitumen Emulsion 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). (ii) On Granular Surfaces treated with primer (Using Bitumen Emulsion at the rate of 0.25 to 0.30 kg per sqm.)(Rate as per PWD(WB) schedule of rates 2018 (Roads & Bridge Work), page-213(table-3.3-1) & 251 (item-5.02))