Name of Work:- KIIFB -Shore Protection Works from Kollam Beach to Thanni-Groyne Head Protection Works(8 nos)(PQ)(Re-Tender2)
Sl. No.
Item Description
1
Rubble mount groynes - Transition and Head Protection
2
od6297/2025_2026od281733/2023_2024 :Supplying blasted rock from approved quarry to sorting site by lorry/ tipper, and sorting the stones into 100kg to 300kg category stones of approved quality having specific gravity ranging from 2.65 to 2.8 for forming the core of rubble mound breakwater inclusive of cost of stones, hire of lorries and machineries, labour charges required at quarry and at sorting place andmeasurements of categorized stones after proper sorting are taken on weigh bridge installed at site at the cost of the contractor with approved software having printouts using contractors supplied papers, stationeries and conveyed to the approved alignment of the breakwater and rehandling and forming the core of the break water to the lines and levels as per the approved drawings andinspecting the profile once in a week with tolerance of +/- 20cm in final levels including all cost and labour charges, hire and operational charges of light crane and cost of spalls/ quarry muck and labour for forming the roadway for movement of lorries/ tippers / cranes etc including all incidental charges etc complete as per the direction of departmental officers at site. Kollam District. [Basedon item 65.22]
3
od281786/2023_2024Supplying blasted rock from approved quarry to sorting site and sorting the stones into 300kg to 500kg category stones of approved quality having specific gravity ranges from 2.65 to 2.8 for forming the secondary armour and berm of rubble mount breakwater inclusive of cost of stones, hire of lorries and machineries, labour charges required at quarry and at sorting place and the measurements of catagorised stones after proper sorting are taken on weigh bridge installed at site at the cost of the contractor with approved software having printouts using contractors supplied papers, stationeries and conveyed to the approved alignment of the breakwater and forming the secondary armour and berm of the breakwater to the lines and levels as per approved drawings with tolerance of +/- 20 cm in final levels including all cost and labour charges, hire and operational charges of mobile crane and excavator, rehandling, placing and packing and using mobile crane, inspecting the profile once in a week and cost of spalls/quarry muck and hire of machineries for forming the roadway for movement of lorries/tippers/cranes etc including all incidental charges etc complete as per the direction of departmental officers at site
Kollam District.[Based on item 65.23]
4
od281787/2023_2024Engaging hydraulic excavator for unloading/ loading rehandled stones of 500Kg and above.
5
65.103Moulding and supplying 0.8 cum(2T) tetrapod with graded aggregate of 40% 75mm to 40mm, 30% 40mm to 20mm and 30% 20mm to 6mm using 380kg cement/ m3 of concrete as per approved mix design of mix proportion 0.5:1:1. 46:3.22 by weight of water cement, fine aggregate, coarse aggregate (specific gravity of fine aggregate and coarse aggregate should not be less than 2.73 and 2.5 respectively) and thecement shall be 43 grade or higher) minimum cube strength requirement (i) @7 day - 20 N/mm2 (ii) @ 28 day - 30 N/mm2 and minimum density of concrete 2.5 g/cc including hire and operational charges of tools and plants, mould, curing, rehandling and stacking charges etc., complete as per the instruction of departmental officers at site .
6
65.104Conveying 0.8cum (2T) tetrapod from stacking yard and placing in position in two layers according to specification and forming the armour layer of breakwater to lines and levels over the secondary armour layer including hire and operational charges of tools and plants etc., complete as per the direction of the departmental officers at site Please Enable Macros to View BoQ information
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