133 2025 26 CONSTRUCTION OF PROTECTION WALL AND RETARRING FOR SASTHSMKSDSVU VETTIKKADU ROAD- WARD 14

Side Protection

3.5.1:Excavation in Cutting in Soil by manual means with lead upto 50 m <br> Excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3

OD22892/2025-2026:Coconut Pile - Supplying and stacking well matured 1/2 split and straight coconut post for driving down throug various strata bellow bed level including cost coveyance labour charges etc

OD22893/2025-2026:Coconut Pile- Driving down half split coconut pile to lines and levels through various strata including all hire charges and labour for fixing , staging platform and all other appliances necessary for pile driving down after pointing the bottom end

OD22889/2025-2026: Dry rubble masonry with hard stone, in foundation and super structure including packing to compactness to lines and levels, cost and conveyance of all materials labour charges etc. complete as per approved drawing and relevant technical specifications.

11.4.4:Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 IV. R.C.C grade M 20

11.8:Supplying, fitting and placingTMT bar reinforcement in foundation complete as per drawings and technical specifications Clauses 1000 and 1202

OD420327/2025-2026:Filling with Contractor's own earth (excluding rock) in trenches, plinth, sides of foundations, etc, in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming.

Road Retarring

OD22894/2025-2026:Preparation of Foundation for Embankment <br>Scarifying the existing bituminous road surface to a depth of 150 mm and compacting the aggregates obtained form scarification with power roller as per direction of departmrntal officers at site

4.9:Wet Mix Macadam 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. By Mechanical Means with 1 km lead

75.5.1.1pb:Prime Coat - Low porosity - With Packed Bitumen Rates 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 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.

75.5.11.1.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)

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)