Upgradation of coastal roads in kollam district- Improvement of road from ramankunnu- Kollurkonam- pariharakkod coloney-mulavana road in ward no.2 of Kundara gramapanchayath in Kundara LAC

Amount

Appendix A - CONSTRUCTION OF BITUMINOUS ROAD.

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.

5.2.2a : 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 dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

5.9.2.2a : 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder - Bitumen S-65 <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. <br> Case - II By Mechanical Means :- (II) Bitumen (S-65)

5.12.B.3.2a : Seal Coat - Mechanical 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> B. By Mechanical Means :- Case - III : Type C <br> (II) Bitumen (S-65)

APPENDIX B- Construction of Road with interlock

od6297/2019_2020 : Providing and Laying of Interlocking Concrete Block (M30) Pavements having thickness 80 mm Crushed stone chipping 6.7mm size as per drawings and Technical Specification Clause 1504.

11.4.3.1 : Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203III.P.C.C. grade M 20 (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 & 1203I.P.C.C grade M 10(i)Nominal mix 1:3:6

Pot hole filling

55.4 : Supplying and stacking 36mm size hard broken stone in standard heaps for measurement.

55.8.a : Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm departmental broken stone and compacting with power roller to get a compact surface.

Scarifying

16.77 : Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material within all lifts and lead upto 1 km ( by mechanical means).

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Bidder Name

KRP CONSTRUCTIONS

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