GENERAL-Development of New Fisheries Berth at Vizhinjam-Extension of Seaward water of Vizhinjam Fishing Harbour-General Civil Work

OD10301/2024-2025:Supplying granite quarry run from approved quarry to sorting site by lorry/ tipper, and sorting the stones into 5 kg to 10 kg category stones of approved quality with specific gravity ranging from 2.65 to 2.8 for forming the filter layer of breakwater inclusive of cost of stones, hire of lorries and machineries, labour charges required at quarry and at sorting place and the measurements 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 including conveyance from sorting platform and dumping stones using tippler (3.5x2.5 sqm size) or any suitable methods installed at site on a moving crane having a capaciaty of not less than 20T and placing the stones at sea bed in uniform layer of design thickness for forming filter layer of breakwater as per the approved drawing and design and inspecting the profile once in a week including hire and operational charges of T and P, tippler, crane and all incidental charges etc. complete as per the direction of departmental officers at site. Thiruvananthapuram District. based on 65.17

OD10302/2024-2025:Supplying blasted rock from approved quarry to sorting site by lorry/ tipper, and sorting the stones into 10kg 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 and measurements 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 and inspecting 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 Thiruvananthapuram District. Based on 65.18

OD10306/2024-2025:Supplying 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 - Thiruvananthapuram District. based on 65.19

OD10305/2024-2025:Supplying blasted rock from approved quarry to sorting site and sorting the stones into 0.5T-5T category stones of approved quality having specific gravity ranges from 2.65 to 2.8 for forming the armour and berm of rubble mount breakwater inclusive of cost of stones, hire of lorries and machinery, labour charges required at quarry and at sorting place and the measurements 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, stationery and conveyed to the approved alignment of the breakwater and forming the 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 hire of machinery etc including all incidental charges etc complete as per the direction of departmental officers at site Thiruvananthapuram District. Based on 65.20

OD4109/2025-2026:Moulding and supplying cement concrete 4 m3 (10T) tetrapod with graded aggregate of 40% 75mm to 40mm, 30% 40 to 20mm, 30% 20 to 5 mm using 380 kg 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 the cement shall be 43 grade or higher) minimum cube strength requirement (i) @ 7 day - 20N/mm2 (ii) @ 28 day - 30N/mm2 and minimum density of concrete 2.5g/cc. including hire and operational charge of tools and plants, moulding and rehandling and stacking charge etc complete according to specification and instructions of Engineer. Based on 65.124

OD4786/2025-2026:Conveying 4 m3 (10T) tetrapods from stacking and placing in two layer according to specification and forming the armour layer of break water to lines and levels at depth of water 8m and above including hire and operational charges of tools and plants etc completed. Based on 65.125

OD4854/2025-2026:Moulding and supplying cement concrete 4.8 m3 (12T) tetrapod with graded aggregate of 40% 75mm to 40mm, 30% 40 to 20mm, 30% 20 to 5 mm using 380 kg 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 the cement shall be 43 grade or higher) minimum cube strength requirement (i) @ 7 day - 20N/mm2 (ii) @ 28 day - 30N/mm2 and minimum density of concrete 2.5g/cc. including hire and operational charge of tools and plants, moulding and rehandling and stacking charge etc complete according to specification and instructions of Engineer. (Based on 65.124)

OD4787/2025-2026:Conveying 12T tetrapods from stacking and placing in two layer according to specification and forming the armour layer of break water to lines and levels at depth of water 8m and above including hire and operational charges of tools and plants etc complete. (Based on 65.125)

4.1.6:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 40 mm nominal size derived from natural sources)