NAVETTIKKONAM VIJNAN WADI PLANKALAKONAM METALLING TARRING IN WARD 16(149/18-19)

Amount

Road Work

11.1.1.1 : Excavation for StructuresEarthwork 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.I.Ordinary soil(i)Upto 3 m depth

od25086/2018_2019 : Modified 8.7.2 Rubble dry stone masonry for foundation and superstructure

od25087/2018_2019 : RR in Cement mortar 1:6III. Random rubble masonry (iii)In cement mortar (1:6)

12.3 : Plastering with cement mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification Clauses 613.4 & 1204

3.15.2 : Compacting Original Ground<br> (ii) Compacting original ground supporting subgrade<br> 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 : Construction of Embankment with Material Obtained from Borrow Pits <br> Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5

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. <br>(ii) Using Gravel mix soil.

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

5.1.1a : Prime Coat :- Low porosity <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

5.2.3a : Tack Coat <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.

75.5.9.2.2.Pa : Plastic Roads - Bitumen S-65 <br> 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder <br> Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion 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 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508 (with 7% of bitumen replaced by shredded waste plastic) <br> Case - I By Manual Means <br> (II) Bitumen (S-65) (VG - 30)

5.12.A.3.2a : Seal Coat - Manual Means - Type C - Bitumen S-65 <br> Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 <br> A. By Manual Means :- Case - III : Type C <br> (II) Bitumen (S-65)

Board

od143100/2018_2019 : S/F information board 75x60 cm using GI pipe as post and 1 mm thick MS sheet surrounded by MS angles including painting, letterring and fixing in concrete etc. as per the direction of etc.

od143101/2018_2019 : S/F Name board of size 75x60cm installed in the appropriate place visible to the public made of brick wall with granite plaque should be inscerted and engraving letters complete as per the direction of deptl. officers at site.

C RAJASEKHARAN NAIR