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DATE: 614f201010:25 AIVI PAGE: 19 of 19 18. 111713' The BP representative shall confine that the coating was repaired and inspected as specified. 19. The Second Coat shall be applied as required following the application of the First Coal. 20. ffrel , •• The BP representative shall mnfirm application of the Second Coat as specified. 21. All of the specified Inspection shall be performed and documented following the application of the Second Coat: a. Visual inspection. b. Film thickness measurement. c. Hardness Testing. d. Halide Detection. 22. • • The BP representative shall confirm that all Inspection of the Second Coat was performed as s cified and documentation is provided. 23. • • ' The BP representative shall mark defects and unacceptable coating with chalk for repair. 24. The coating shall be repaired as the result of defects, unacceptable visual inspection or dry film thickness measurement. Repairs shall be performed in accordance with the specifications.Any repairs shall be rlormed,cured,inspected and tested in accordance with above and verified as indicated. 25. • • The BP representative shall confirm that the coating ores repaired and inspected as specified. 26. Frs . •• Verification of the Final Acceptance of the coating by the BP representative. Exterior Painting 1. There is significant coating failure over 30 percent on the tank external surface with several areas where the paint has peeled off and there is active surface corrosion. The coating has chipped off mostly around the manway and nozzles,no pitting was noted in these areas during this inspection.The first course of the tank shell and nozzles shall be blasted.cleaned and mmated.The remainder of the tank shall be spot recosted as required. (ITEM 1 I CODE 5)(REM 21 CODE 4)(CHANGE—Rev.1) 2. There Is surface corrosion on the mamlay and reinforcing pad where the mating has failed but no pitting. These areas shall be cleaned and mounded. (ITEM 61 CODE 3) 3. The shell nozzle(suction)is in fair condition with no significant internal corrosion,but there is surface corrosion around the external nozzle where the coating has peeled off.These areas shall be cleaned and remated. (ITEM8ICODES) 4. The mating on the fixed roof is in poor condition with several areas where the mating has chipped off and exposed the bare metal. These areas shall be cleaned and remated. (ITEM 131 CODE 4) (ITEM 201 CODE 5) S. All exterior areas where the repairs were made and the coating has failed shall be removed and rematetl. S. Coating shall be applied to BP painting specification BPPL-SP-102,system 1 or 2. 7. Damaged/failed areas of the tank mating shall be receated: a. Remove all oil and grease from surfaces by Solvent Cleaning per$SPC-SP1 b. Abrasive blast the areas to Commercial Blast Cleaning SSPC-SP6 f NACE 3. c. The surface to be primed must be clean,dry,and in sound condition.Remove all oil,dust,grease,dirt, loose rust,and other foreign material to ensure good adhesion. Prime any bare steel the same day as it is cleaned or before flash costing occurs. it. Clean abrasive blast material and other debris from prepared surface.Remove and dispose of waste malenal th ap roved containers. e. ggL%AQ*&gU Verification of the visual examination(VT)surface preparation is to specified surface finish,cleanliness,dryness,and readiness for application of prime coat by the BP representative. 8. Roller apply the coating to the recommended film thickness and allow to dry property.The completed mating shall he visually examined(VT)and dry film thickness shall be measured. a, • . •• Verification of the visual examination(VT)of mating application and Dry Film Thickness measurement by the BP representative. Attachments 1. BPPL-SP402 Painting of Tanks,Station Appurtenances and Aboveground Piping 2. Sherwin Williams Installation Procedure for Dura-Plate UHS Epoxy 3. Sherwin Williams Technical Data Pages for STP 06-104 Tank Lining Specifications 4. Excerpts from NACE RP-0178 Stockton, • • Package No: 1 • 1