bids are invited for carry out cleaning / survey of collecting tanks and repair as necessary. inspect the internal and external paint coating and recoat with appropriate paint scheme after completion of repairs and surface preparatoin. area - 7 sqmtr item130 7 sqmtr 10043 sewage treatment plant overhaul / repair of 25 % ship system valves ( non -pvc ) fitted in the system and 50 % of all system pipelines. item131 5 nos 10044 sewage treatment plant renewal of all pvc pipelines and pvc plug cock valves. item132 8 nos 10045 sewage treatment plant overhaul / repair of 50 % plug cock valve. all valves are to be replaced during a three year cycle. item133 4 nos 10046 sewage treatment plant fitment of imo flange for discharge of sludge in shore sludge tank. item148 1 nos 10061 sewage treatment plant sea water pump of stp not taking suction properly. new pump to be fitted. item150 1 nos 10063 sewage treatment plant oem - hi point undertake cleaning of all system / sewage pipelines and repair / renew as necessary. rmtr-80 approx item151 80 rmtr 10064 sewage treatment plant oem - hi point carry out calibration of low and high level switches, pressure switches and vaccum guage. renew if defective. item152 2 nos 10065 sewage treatment plant oem - hi point visual alarm along with h2s gas display near stp lobby damaged. same to be renewed. qty- 02. item153 2 nos 10066 sewage treatment plant oem - hi point hmi display showing erratic readings. defect to be rectified. item154 1 nos 10067 sewage treatment plant oem - hi point stp & evac system jobs – ins tarangini mariner panel deformed / corroded. same to be renewed. qty - 01, mat - ms, size - 250 x 150 cms item155 1 nos 10068 sewage treatment plant oem - hi point 06 pvc valves not working properly. same to be repair / renewed. dia - ( 30 - 50 ) mm item156 6 nos 10069 sewage treatment plant oem - hi point overhauling of overboard discharge non return valve. dia - 65 mm, qty - 1 item157 1 nos 10070 sewage treatment plant oem - hi point serviceability checks of mariner to be carried out. system to be proved for satisfactory function in front of ships staff. effuluent test to be carried out. item158 1 nos 10071 sewage treatment plant oem - hi point three in nos system isolating valves not opening properly. same to be overhauled. qty - 3 item159 3 nos 10072 sewage treatment plant oem - hi point eight in numbers non return valve of wcs defective to be repaired / renewed. item160 8 nos 10073 evac system oem - hi point evac pumps not creating sufficient vacuum. overhauling of both pumps to be carried out and system to be proved. qty - 2 item161 2 nos 10073.01 evac system oem - hi point isolating valve between vacuum pumps not working. same to repair / renewed. qty - 1, dia - 50 mm item162 1 nos 10073.02 evac system oem - hi point protective glass fitted on evac pumps cracked. new glass to be fitted. qty - 3 item163 3 nos 10073.03 evac system oem - hi point 12 in numbers start valves of wcs defective / damaged. to be renewed. item164 12 nos 10073.04 evac system oem - hi point 12 in nos shut off membrane defective. same to be renewed. item165 12 nos 10073.05 evac system oem - hi point vacuum release pipe defective in six wcs. same to be renewed. rmtr-4 item166 4 rmtr 10073.06 evac system oem - hi point water pipe defective in 05 wcs. new pipes to be fitted. rmtr-3 mtr item167 3 rmtr 10073.07 evac system oem - hi point 12 in nos lifting membrane defective. same to be renewed. item168 12 nos 10073.08 evac system oem - hi point renewal of ball valve of vts system view not holding. size - 50 nb, qty - 10 item386 10 nos 10257 evac system oem - hi point stp & evac system jobs – ins tarangini sr 1 - overhaul the motor ( 1.5kw-03, 3.7kw-01 ) and starter. renew bearings subject to q.c checks. item912 4 nos 30012 stp system ( make- m / s. high point pvt ltd ) sr 2 - calibrate over-load mechanism of the starter. item913 4 nos 30012.01 stp system ( make- m / s. high point pvt ltd )