tender for annual plan-cgp 25-26 ( pr no:113 )-muzhakkeel kaippad road improvement -general civil work-220610050000000119 - road re tarring 2 3.2:preparation of foundation for embankmentscarifying existing bituminous surface to a depth of 150 mm by mechanical meansscarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per technical specification clause 301.4. 3 4.11.2:granular sub-base/base/surface course with local materials (table 400.13) by mix in place method normal. construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per clause 401.4 as per technical specification clause 408. (ii) using gravel mix soil. 4 od54474/2025-2026:granular sub-base/base/surface course with departmentalmaterials. construction of granular sub-base by providingdepartmentalmaterials. spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per clause 401.4 as per technical specification clause 408.
(ii) using gravel mix soil. 5 75.8.1:providing plain cement concrete for road work cc 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) nominal mix (1:2:4) 6 5.5.b.2a:modified penetration macadam 75 mm thick using bitumen s-65construction 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.(b) 75 mm thick :- (ii) bitumen (s-65) 7 5.2.1a:tack coat 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. 8 5.11.1.a.2a:mix seal surfacing - manual means - type a - bitumen s-65providing, 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 509by manual means :- type a(ii) bitumen (s-65) 9 14.5.1:providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications clause 1302stone/boulder 10 3.14:construction of subgrade and earthen shoulders construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000 m as per technical specification clause 303.1. 11 11.4.3.1:providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203iii. p.c.c. grade m 20 (i) nominal mix (1:2:4)