MLA SDF 2022-23 FROM CHEMMANNU KAVALA TO MANIKYAM KAVALA ROAD CONSTRUCTION ELAPPARA GP.

3.2 Preparation of Foundation for Embankment Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

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

od146325/2023_2024 75.5.1.1pb<br>Prime Coat - Low porosity - With Packed Bitumen Rates<br>Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of<br>granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0<br>kg/sqm using mechanical means as per Technical Specification Clause 502<br>

od146326/2023_2024 75.5.2.3pb<br>Tack Coat - With Packed Bitumen Rates<br>Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor<br>at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer<br>& cleaned with Hydraulic broom as per Technical Specification Clause 503.

od146337/2023_2024 75.5.9.1.2pb<br>20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified<br>bitumen) Binder - Bitumen S-65 - Packed Bitumen Rates<br>Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed<br>of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to<br>required line, grade and level to serve as wearing course on a previously prepared base,<br>including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static<br>roller capacity, finished to required level and grades to be followed by seal coat of either<br>Type A or Type B or Type C as per Technical Specification Clause 508.<br>Case - I By Manual Means<br>(II)Bitumen (S-65),including supplying and stacking of materials.

od146338/2023_2024 75.5.12.A.3.2pb<br>Seal Coat - Manual Means - Type C - Bitumen S-65 - Packed Bitumen Rates<br>Providing and laying seal coat sealing the voids in a bituminous surface laid to the<br>specified levels, grade and cross fall using Type A, Type B and Type C as per Technical<br>Specification Clause 510<br>A.By Manual Means<br>Case III : Type C<br>(II)Bitumen (S- 65),including supplying and stacking of materials.

od100872/2023_2024 75.8.1 Providing Plain cement concrete for road work CC 1:2:4 (1 cement: 2 fine aggregate: 4<br>course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as required<br>including compaction, finishing and tamping etc .complete. Max. size of course<br>aggregate not exceeding 25mm , mixed in concrete mixer etc complete as per<br>specification<br> (i) Nominal mix (1:2:4)<br>a)Materials

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