Pattanchery GP 2026-27 Parakattuchalla road maintenance

OD212510/2026-2027:Surface dressing of the ground including removing vegetation and in equalities not exceeding 15 cm deep and disposal of rubbish ,leadup to 50 m and lift up to 1.5 m .All kinds of soil

3.5.2:Excavation in Soil with Dozer with lead upto 100 m <br> 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.

4.1.A.1:Granular Sub-base with Well Graded Material (Table 400.1) <br> (A) By Mix in Place Method <br> 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. <br> (i) For Grading I Material

OD223538/2026-2027:Providing and laying of Interlock concrete block pavements having thickness 80mm (M40) as per drawing and technical specification clause 1504 confirming to IS15658 and laid in required colour and pattern over and including 50 mm thick compacted bed of 6 mm metal excluding edge concrete.

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)

4.9:Wet Mix Macadam <br> Providing, 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. <br> By Mechanical Means with 1 km lead

OD212629/2026-2027:Subgrade Waterproofing Providing and applying two coats of Terrasil and Zycobond solution prepared in water in the Ratio of 1:1:100 (Terrasil:Zycobond:Water) on the Prepared surface of subgrade for water proofing and preventing capillary rise. First Spray is to be applied at the rate of 2.5-3.5 L/sqm and second spray at the Same rate applied after 1-3 hours of applying first spray ,using mechanical means and as per the directions of the departmental officers at the site .

75.5.1.1pb:Prime Coat - Low porosity - With Packed Bitumen Rates <br> Providing 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

75.5.2.3pb:Tack Coat - With Packed Bitumen Rates <br> 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.