tender for proj no 86/25 kuzhimpalla thannithodu kavunghal road tarring kuzhimpalla thannithodu kavunghal road tarring in pullur periya gp annual plan-project no-86/25-kuyimballa thannithodu kavunghal road tarring in pullur periya gp-general civil work-220410050000000026 sl. no. item description 1 road maintanance 2 3.15.2:compacting original ground
(ii) compacting original ground supporting subgrade
loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of tables 300.1 and 300.2 for subgrade construction as per technical specification clause 303.5.2. 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 4.9:wet mix macadamproviding, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at omc in mechanical mixer (pug mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kn weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per tables 400.11 & 400.12 and technical specification clause 406.by mechanical means with 1 km lead 5 5.1.1a:prime coat :- low porosityproviding and applying primer coat with bitumen emulsion (ss-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per technical specification clause 502 6 5.2.3a:tack coat providing and applying tack coat with bitumen emulsion (rs-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with hydraulic broom as per technical specification clause 503. 7 od157059/2024-2025:mix seal surfacing - manual means - type a - bitumen s-65 using shredded plastic 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 coated with shredded plastic (3% by weight of bitumen) as per standard procedure 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) header details unit = sqm taking output = 500 sqm 8 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)