ESTIMATE FOR THE COST OF MAINTENANCE OF ROAD FROM ASST. WILDLIFE WARDENS OFFICE TURNING POINT TO TAHR-I IN ERAVIKULAM NATIONAL PARK DURING 2025-2026

ROAD WORK

OD308400/2025-2026 Labour charges for cleaning the existing road and dismantling other over growth of vegetations etc.

16.1 Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and rerolling the sub grade and disposal of surplus earth with lead upto 50 metres.

16.4 Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road/ vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density

16.33.3 2.5 cm premix carpet surfacing with 2.25 cum and 1.12 cum of stone chippings of 13.2 mm and 11.2 mm size respectively per 100 sqm and 52 kg and 56 kg of hot bitumen per cum of stone chippings of 13.2 mm and 11.2 mm size respectively, including a tack coat with hot straight run bitumen, including consolidation with road roller of 6 to 9 tonne capacity etc. complete ( tack coat to be paid for separately):With Refinery Modified Bitumen CRMB 55 conforming to IRC:SP:53 - 1999

OD308399/2025-2026 Providing and applying tack coat using hot straight run bitumen of grade VG - 10,including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications

OD308401/2025-2026 Providing and laying seal coat

OD312983/2025-2026 providing and applying for road top surface using fine sand