Project no - 404/2026-Maintenance of Alari - Mookkanchathi road (Mookkanchathi portion ) in W-4 of Kaduthuruthy G.P-General Civil Work

Road Maintenance

OD106618/2025-2026:Granular sub-base/base/surface course with local materials ( QUARRY MUCK) (Table 400.13) by mix in place method normal. Construction of granular sub-base by providing local material spreading in uniform layers on prepared surface, mixing by mix in place method and compacting by three wheel 80-100 KN static roller to achieve the desired density complete as per Clause 401.4 as per Technical Specification Clause 408. Using Quarry waste (with power roller) (MORD)

OD458123/2025-2026: Providing and laying 80mm thick factory made cement concrete interlocking paver block of M 30 grade made by block making machine with strong vibratory compaction, of approved size, design and shape, laid in required colour and pattern over and including 50mm thick compacted bed of 6mm stone aggregate, filling the joints width fine sand etc. (16.68 dsr modified)

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

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.

75.5.11.2.A.2pb:Mix Seal Surfacing - Mechanical Means - Type A - Bitumen S-65 - Packed Bitumen Rates <br> 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 <br> By Mechanical Means <br> Type A <br> (II) Bitumen (S-65)

11.1.1.1:Excavation for Structures <br> Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. <br> I. Ordinary soil <br> (i) Upto 3 m depth

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)

11.4.1.1:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 <br> I. P.C.C grade M 10 <br> (i) Nominal mix 1:3:6

Hand Rail

50.10.1:Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting,fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

13.52.1:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work