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t1 10:25 AM PAGE: 9 of 19 Gauge Float Cable Attachment Pad (REM 12/CODE 5) 1. The existing gauge float guide wires hold down bar is not seal welded to the tank bottom. A cable attachment pad shall be seal welded to the bottom under the gauge float 2. The pad plate shall be minimum 12"larger than the distance between the cables x 12"wide x 114"thick A-36 Modified steel plate. Lugs,with holes for attachment of the cables,shall be welded to the pati. 3. Position the plate under the gauge float cables. 4. • 1 •• The correct position of the pad shall verified by a BP representative S. The pad plate shall be Installed as follows: a. Clean area where pad plate is to be installed. b. Weld pad plate over marked area utilizing E7018 electrodes, W full fillet weld. c. Clean off completed weld. d 06711111MM All"Ids shall be visually inspected by a SP representative. e. WWWOM Final welds shall be Dye Penetrant examined by NDE contractor and witnessed by a BP re resentaave. f. • • "• All welds shall be vacuum box tested by the repair contractor and witnessed by a BP representative. 6. The uide wires shall be attached to the lugs on the pad. 7. • • •• The complete work shall be visually inspected by a SP representative. Discharge Shell Nozzle Replacement (REM 41 CODE 3)(REM 9/CODE 5) 1. The existing 2"Shell Coupling"I"(Discharge)does not have adequate weld spacing in compliance with API- 653 minimum weld spacing requirements.The existing threaded coupling shall be removed and replaced with a new 2"ganged shell nozzle in the same location.The new 2"ANSI 150#flanged low profile shell nozzle shall be as shown below. The installation shall comply wM API-653 and API-650 weld spacing requirements.The installation shall comply with API-650 Figure 5-6. Note:The 211 ganged nozzle may be a 2"long weld neck Range nozzle. 2. • 1 • The BP representative shall document and record the horizontal and vertical weld spacing for the new reinforced 2"flanged nozzle installation.The weld spacing shall not be less then that shown in the drawings. 3. All material specifications shall he in accordance with API-650 Figure 4-1 thickness for design metal temperature as derived from Figure 4-2.All material shall meet the impact testing and toughness requirements of API-650. 4. The 2"flanged nozzle shall be installed in accordance with API-650 Figure 5-8 and Tables 5-6,5-7 and 5-8. The shelkto�nozzle weld shag be complete and full penetration.The nozzle neck shall be welded on both inside and outside of the tank shell.The initial weld shall be completed, back-gouged and inspected,final weld shall be completed. 5. Paint shall be removed from the area where cut out is to be made. 6. The tank shell cut out shall match that of the nozzle size with proper allowance for weld fit-up in accordance with thea roved welding procedure.The nozzle shall be tacked in place. 7. • • •• The rn-up of the nozzle shall be visually inspected(VT)by a BP representative for compliance with the approved welding procedure. B. All nozzle-to-shell welding shall be full fillet welded complete fusion and complete penetration u5lizing E701 electrodes.The nozzle shall be welded both internally and externally.The filet size shall be as shown in the attached drawing. 1. Nozzle-tcShell Weld Testing and Inspection. a. • • • The completed initial shall be visually inspected(VT)by a BP representative. b. 1 •• The completed final weld shall be visually inspected(Vr)by a BP representative. c. • • The completed welds shall be Magnetic Panicle examined(MT)by NDE contractor,both interior and exterior,and wOnessed by a BP representative. 2. The flange shall be aligned and plumb with boll holes straddle the centerline.The flange welds shall be full and cam lets,fillet welds utilizing E7018 electrodes. a. • 1 "• The welds shall be visually inspected(VT)by a BP representative. 9. A new 2"gate valve shall be installed an the 2"150#flange nozzle with new gasket and lubricated stud bolts/nuts.