Kerala State Coastal Area Development Corporation Limited Tender

60.68.1 : GeoTextile tubes - Supply of GeoTextile tubes 9.42 m circumference, 20m length made of poly propylene woven fabric resistant to deterioration by U/V light, oxidation, heat exposure etc with nonwoven shroud covering. Reclaimed or recycled polymer shall not be added to the formulation. The fabric used for geosynthetic tubes shall be not less than 1000gsm weight and should have a minimum tensilen strength (in width as well as CMD) of 200 KN/m as per ASTM D4595, maximum apparent opening size of 0.25 mm as per ASTM D4751 minimum factory seam strength as per ASTM D4884 of 150KN/m, maximum elongation in width and cross direction as per ASTM D4595 15%, minimum UV resistance of 75% retained strength (500 hrs) as per ASTM D4355-99. The bidder shall submit test report and get approval for the technical specification and material properties of the geotubes before supplying of materials

60.68.2 : Installation of Geotubes - Installation of 2no.s bottom tubes and 1no. top Geotextiletubes of length 20m on land (dry installation) including transportation of tubes to filling location, unrolling the tubes, laying on land at desired position, Hydraulic filling of Geotextile tubes using excavated sand with the help of dredge pump or by some other mechanical means as necessary to achieve a suitable finished height of not less than 55% of diametre of tube , closing the port mouth suitably as per standard practice and placeing the filled Geotextile Tubes in position. All complete as per the proposed section and as per the direction of the Engineer in charge.

Appn B: Rubble mount groynes

65.17 : 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 & P, tippler, crane and all incidental charges etc. complete as per the direction of departmental officers at site.Thiruvananthapuram District

65.18 : Supplying blasted rock from approved quarry to sorting site by lorry/ tipper, and sorting the stones into 10kg to 200kg 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

65.19 : 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

od5934/2019_2020 : Supplying blasted rock from approved quarry to sorting site and sorting the stones into 2T to 3T category stones of approved quanlity having specific gravity ranges from 2.65 to 2.8 for forming the primary armour and berm of rubble mount break water 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 intstalled 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 break water and forming the primary armour of the break water 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, inspecting the profile once in a week and cost of spalls/quarry muck and hire of machineries for forming the road way for movement of lorries / tippers/crane etc including all incidental charges etc complete as per the direction of departmental officers at site