GENERAL-Urgent Reconstruction of Culvert at km 71/500 Jyothippadi of KNG Interstate Highway in Nilambur LAC in Malappuram District-General Civil Work-

Retaining wall and cross drainage works

2.4.2.A: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 Cement Concrete Grade M-15 & M-20 - By Mechanical Means

2.4.4.D: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 Dismantling Stone Masonry - Dry rubble masonry

3.13.1.B: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, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work. Ordinary soil - Mechanical Means - (Depth upto 3 m)

12.4:Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

OD175836/2024-2025:Dry rubble masonry without concrete levelling course masonry with good qulity blated rubble including packing to compactness to lines and levels cost of conveyance of all materials labour charges etc. complete as per direction of Departmental officers at site (Derived from 60.7.1)

OD175837/2024-2025:Dry rubble masonry with Departmental stone without concretelevelling course masonry including packing to compactness to lines and levels complete as per direction of Departmental officers at site (Derived from 60.7.1 Labour charges only)

12.8.A.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. PCC Grade M15

12.8.1.C.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications RCC Grade M20 - Using Concrete Mixer

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

Road work

3.15:Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres by Mechanical Means <br>

4.2.A.2:Construction of granular sub-base by providing graded material, spreading in uniform layers with a motor grader on a prepared surface, mixing by mix in-place method with rotavator at OMC, and compacting with a vibratory roller to achieve the desired density, complete as per clause 401. Grading-IV - For lower sub-base - Mix in Place Method

4.12:Providing, laying, spreading and compacting graded stone aggregate 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.

5.1.a:Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means.

OD283768/2025-2026:Close graded Premix surfacing /mixed seal surfacing .Providing ,laying and rolling of close graded premix surfacing material of 40mm thickness composed of 25mm to 10mm and 11.2 to 0.09 mm aggregate using bitumen VG-30 to the required line grade and level to serve as wearing coarse on a previously prepared base including mixing suitable plant .Laying and rolling a smooth wheeled roller 80-100 KN capacity and finished to required level and grade. Manual means