Emergent repair and restoration of hume pipe culvert at 0.75 kmp on Domjur-Andul Road of Howrah Highway Sub-Division under Howrah Highway Division in the district of Howrah during the year 2026-27

Dismantling of Structures Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres (Reference to MORT&H's specification clause 202) Lime / Cement Concrete By Mechanical Means Cement Concrete Grade M15 & M20

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material (Reference to MORT&H's specification 304). Ordinary soil Mechanical Means Depth 3 m to 6 m

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).

Plain/ Reinforced cement concrete in open foundation complete all including vibrating and compacting, finishing, curing, sampling, testing etc. as per drawing and Technical Specifications (Reference to MORT&H's specifications 1500, 1700 & 2200). PCC Grade M15

Providing weep holes in Brick masonry/ Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC/ PVC/ HDPC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing force. Complete as per drawing and Technical Specifications (Reference to MORT&H's specifications 2706 & 2200).

Back filling behind abutment, wing wall and return wall complete including spriklring water and throughly compacted with plate compactor/ power rammer in layers not exceeding 150 mm compacted thickness as per drawing and Technical Specification (710.1.4 of IRC: 78 & MoRTH's specification 2200) Sandy material

Water Bound Macadam Sub Base 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). For Construction of Sub Base by consolidating Jhama metal with moorum screening: (63 mm to 45 mm) @0.91 cum of jhama metal & 0.22 cum of moorum screening per 10 sqm of compavted thickness of 75 mm

Providing and Laying Reinforced Cement Concrete Pipe NP4 as per design in Single Row Providing and laying reinforced cement concrete pipe NP4 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD. 600 mm Dia

GST @ 18.00 % over basic rate of sl. no. 1 to sl. no.8