GENERAL-Providing navigational guide light at Manjeswaram fishing harbour-Guide light at tip of break water-General Civil Work

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size

4.2.2:Providing and laying cement concrete in retaining walls, return walls, walls ( any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts,buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc. up to floor five level, excluding the cost of centering, shuttering and finishing:1:11/2:3 (1 cement : 11/2 coarse sand :3 graded stone aggregate 20 mm nominal size)

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

4.3.3:Centering and shuttering including strutting, propping etc. and removal of form work for:Columns, piers, abutments, pillars, posts and struts

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

13.7.1:12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

OD971/2025-2026:Conveyance installation and commissioning of solar navigational light on the top of the tubular post at a height up to 15m above ground level using bolts , nuts and special clamps etc.complete.

OD974/2025-2026:Engaging additional labour for assisting transporting the GI pipe, material for concrete to the tip of the break water

OD972/2025-2026:Supply of Solar powered self contained and completely sealed, extremely rugged, robust, with LEXAN® Polycarbonate UV stabilized body to withstand marine environment, LED based navigational aid and having 3-5NM=+ visibility range. The unit shall be water and weather proof conforming to protection class IP68, signal colours compliant to IALA E-200-1, with maintenance free, 12V, 12Ah, SLA (sealed lead acid)battery capable of trouble free operation under 14 hours of darkness, 12.5% duty cycle, selection of all 310 IALA Flash patterns (user adjustable), multiple light intensity settings, 310 IALA Flash characteristics and ON/OFF light levels, LED life expectancy>1,00,000 hrs, automatic switching ON at dusk and automatic switching OFF at dawn, single LED light source and equivalent peak intensity red - 121Cd, Green - 88Cd, uniformity of output with intensity adjustments in IR programmable. Horizontal output 360 degree, vertical Divergence > 7 degree, omni directional 360 degree High efficiency LED reflector with UV stabilized polycarbonate LEXAN ® lens. The unit shall have 4 hole bolt pattern on 200mm OD base for ease of installation ambient temperature range - 30 degree to +50 degree centigrade, water proof IP 68, monocrystalline, tempered glass solar modules on four sides. The unit shall be set to the selected flash pattern as required at the suppliers risk. The manufacturer should possess ISO 9001:2015 and CE certifications EN61000-6-2:2005, IEC 61000-4-2:2008, IEC 61000-4-3:2010, IEC 61000-6-1:2016, IALA Signal colour compliant to IALAE - 200-1, The entire unit shall have a warranty of 3 years. (Preferred make Model SL-C310 Compact or equivalent). Solar Guide Light - RED colour.