Sheet4

TR #Detail Of Damage / Reason for Temporary Repair AreaLine No. / LocationTemporary Repair (TR) DetailFProposed Permanent Solution (PS) Target Date for Permanent SolutionResponsibilityDate RemovedVerified byRisk IDUTY-1210-001There is a pinhole leakage observed on 10" line of FW network. It is not possibel to isolate it nowUTYlineTo install a temporary clamp as shown in the picture7-Dec-10Weld rectify the line31-Dec-14UHS2UTY-0811-002Pin hole lekage observed in the 10" test line of fire water pump PU-8301 A in UTY-1UTYlineThe problem can be temporarily solved by applying rubber wrapping over the pin hole and clamp it with 10" C-Clamp20-Aug-11Welding rectification will be done in the possible oppurtunity31-Dec-14UHS3PP-0612-002It is found steam leakage from down stream flange of N-2335 at STG 1st floor, flange size 8" & 600#PPN-2335To install a clamp made of CS strip with drain nipple and a valve by welding on rim of flange as a temporary purpose23-Jun-12The gasket and flange will replaced on shutdownTA-2014UHS2PP-0712-001Steam leakage found from the 1/2" sample point line or main steam header of HRSG A. The line can not be isolated for replacement since there is no isolation for this linePPHRSG AHot box up temporary clamp to be installed as shown in attachment19-Jul-12Effected piece of the sample point will be replaced in next TA (steam outage)TA-2014UHS2UTY-0812-001Steam leakage reported from LS header battery limit valve (10") down stream flange gasket. The line can not be isolated during operation , therefore gasket cant be replacedUTYLS header towards EVCMInstall hot box up clamp as per drawing provided by project section.16-Aug-12Gasket will be replaced in next opportunityTA-2014UHS3PP-0313-001Steam leakage is taking place from the flange of FT-2301 on MP steam header. This is the common steam header of HRSG A & B towards steam turbine which can not be taken down for leakage rectificationPPFT-2301We are suggesting a hot box up clamp on this flange to stop the steam leakage13-Mar-13Gasket will be replaced in next opportunityTA-2014UHS2PP-1213-001It is found steam leakage from D/S flange of PV-2304 at STG 1st floor , flange size is 8" class 600PPPV-2304To install a clamp of CS strip with drain nipple16-Dec-13The gasket and flange in T/ATA-2014UHS2PP-0215-001Steam/Condensate leakage from gasket of 3" flange of TV-2303 is observed. The line cannot be repaired due to operations handover So a clamp needs to be installed as a TRPPTV-2303Box up arrangement , CS clamp would be installed as per dwg provided by project16-Jan-15The gasket will be replaced in NAOTA-2015UHS3