tender for annual plan-2025-26 - neeland poovamvayal road renovation-ward 6 (pro no:-87/26)-invalayam gp-general civil work - neeland poovamvayal road 2 3.5.2:excavation in soil with dozer with lead upto 100 m
excavation for roadway in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance of 100 m, including trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections. 3 4.1.a.1:granular sub-base with well graded material (table 400.1)
(a) by mix in place method
construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at omc, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification clause 401.
(i) for grading i material 4 75.8.1.1.a:providing plain cement concrete for wearing coat cc 1:2:4 (1 cement: 2 fine aggregate:4 course aggregate) laid to required slope as required including compaction, finishingand tamping etc .complete. max. size of course aggregate not exceeding 25mm , mixedin concrete mixer etc complete as per specification (i) nominal mix (1:2:4) 5 75.5.5.a.1pb:modified penetration macadam 50 mm thick using bitumen s-65 - packed bitumen rates
construction of penetration macadam over prepared base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with a three wheel 80-100 kn static roller to achieve the desired degree of compaction as per technical specification clause 506. 6 75.5.2.1pb:tack coat - with packed bitumen rates
providing and applying tack coat with bitumen emulsion (rs-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with hydraulic broom as per technical specification clause 503. 7 75.5.11.1.a.2pb:mix seal surfacing - manual means - type a - bitumen s-65 - packed bitumen rates
providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.9 mm (type-a) or 13.2 mm to 0.9 mm (type-b) aggregates using penetration grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 8-10 kn static roller and finishing to required level and grades as per technical specification clause 509
by manual means
type a
(ii) bitumen (s-65)