Idukki Yathri Nivas - Internal Road Development and Lighting Arrangements

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

od122073/2024_2025 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>

od122074/2024_2025 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.

od122075/2024_2025 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.

od122076/2024_2025 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 (S65),including supplying and stacking of materials.

od122077/2024_2025 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

90.14.1.2 Fabrication, supply, conveyance, installation testing and commissioning of floor or wall mounting, dust and vermin proof, cubicle type MV panel board comprising of the following components/ devices & complying to IS 8623.<br>Fabrication of fully partitioned, dust and vermin proof enclosure for panel assembly as per form 4 of IS 8623 (with latest amendments) using CRCA sheet as per approved design and requirement, with front and rear access facility, bus bar chambers, hinged doors for all switch gear compartments, earthing the doors using 4 sq mm braided copper conductor, providing necessary cut-outs for mounting meters, relays, indication lamps, bus bar interconnection etc, detachable covers for bus bar chamber and cable alley, powder coating the assembly after subjecting to 7 tank process etc as required. CRCA sheet alone be used for the fabrication. Angles/ flats/ slotted angles etc shall not be used for the fabrication of panel assembly. The measurments will be taken the area of the complete sheets used for panel board including partitions, folding, shrouding etc.Supply and fabrication of MV panel board using 1.6mm CRCA sheet, powder coated (excluding base frame