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DATE; 1 1 <br /> 1. Use an air driven drill, Drill one(1)-114"diameter holes in bottom In the area of the lamination and at least <br /> 2 to 3 feet from the shell. <br /> 2. Locate hole 12"away from existing weld seams so that it may be patched by 12"circular patch and satisfy <br /> API-653 weld spacing. <br /> 3, Mark the hole location on the bottom plate with 24"circle painted with fluorescent yellow paint,centered <br /> around hole with words"HOLE"located above circle. <br /> 4. Create sketch of bottom layout that incilmles location of the hole and gives dimensions with respect le the <br /> nearest bottom plate comer. <br /> 5, Test for LELs with gas detector. <br /> 6. rMWjM=The BP representative shall verity that the hole has tolen property located,drilled,LEL tested <br /> // <br /> and confirmed safe for welding. <br /> PV.. / P4 dtwdDate: <br /> Job Representative Sig store:Job R¢a s opy on site (Initial <br /> Inspection report) lZ <br /> L <br /> i <br /> API Inspection <br /> inathe <br /> Inspector,,hall make Wre a co t thz initial Dale: <br /> inspocrion in al the site <br /> 7. If hole is tested and determined to be free of LEL,patch the hole as to am: <br /> a. Locate all hole that has been drilled for LEL examination. <br /> b. Prepare bottom area for patching by wire brushing plate,lake care not to remove palnt identifying hole <br /> location. <br /> C. Plug weld hole in bottom utilizing E7018 electrodes.Grind,wire brush and clean weld gush with surface <br /> of bottom ata. <br /> d. • s • Plug weld shall be Vacuum Box tested(VB)by the repair contractor and witnessed by a <br /> SP representative. <br /> Job Representative Signature:Job Rep shall visu�k �nspt/bt after work is Dale: /I <br /> completed. Job Rep shall sign off each day if ecce..dabµ'. ;�7�V <br /> API 653 Inspector Signature:Inspector shah d eg-r- requireNDEffacceptable Dale: V <br /> •.her,itcan be sign off. <br /> G a J / I ITCn <br /> e. Fit•u 12'diameter A36 Modified patch plate so it¢canter verhale. <br /> f. • s `• BP Representative to verify pztc ,'canter everhole. <br /> Date: <br /> Job Representative Signature:Job Rep% all Aiw,v f Ater he/she has completed ,j� <br /> verification. f I, <br /> g. Weld patch plate to bottom plate by/ an- of 1/4'two pass fillet weld,utilizing E1018 of E7024 <br /> electrodes. <br /> h • s '• The weld final pasa/sshaj:be visually insp 'ad(VT)by a BP representalive. <br /> Dale: <br /> Jab Representative Signature:I.,Rep Shall vis Ily ns. t after work is <br /> cc—plated. Job Rap shall sign if each day if ace a f 7�7 <br />