CMLRRP 2024-25-Chadayamangalam LAC ,SL NO 4020,Improvements to Puthenvila Gurumandiram Junction Pakalkkuri Kadavu Road-

ROAD MAINTANANCE

75.5.5.A.1pb:Modified Penetration Macadam 50 mm thick using Bitumen S-65 - Packed Bitumen Rates Construction of penetration macadam over prepared base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with a three wheel 80-100 kN static roller to achieve the desired degree of compaction as per Technical Specification Clause 506.

75.5.2.1pb:Tack Coat - With Packed Bitumen Rates Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

75.5.11.1.A.2Z:Mix Seal Surfacing - Manual Means - Type A - Bitumen S-65 and Antistripping Agent 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)

OD329574/2025-2026:Providing and fixing of direction and place identification retro-rerelectorised sign with 7 years warranty manufacture as per IRC-67made type of iv micro grade sheeting fixed over aluminium sheeting 2 mm thick /aluminium composite material sheeting 4 mm thick with area not exceeding 0.9 sqm.with suitable back supporting frame of ms angle 40x40x6 and supported on gi pipe pole 50 mm nb-2 nos confirming to is 1239 firmly fixed to the ground by means of properly designed foundation with m15 grade cement concrete min size 40cmx40cmx60 cm.60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and cluase 801 including lettering symbols etc(derived from mord spec 10.3.A.2)

Road Reconcreting

75.8.1.1:Providing plain/reinforced concrete(1 cement:2 fine aggregate: 4 course aggregate) forsubstructure as per drawings and technical specifications Clause 802, 803, 1202 & 1203as required including compaction, finishing and tamping etc .complete. Max. size ofcourse aggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) Nominal mix (1:2:4)

Road Side Concreting

OD329576/2025-2026:MorD: Surface dressing of the ground in All kinds of soil including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. <br>

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)