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ZT <br /> ° M <br /> 0 <br /> ° ( <br /> 7 - -� <br /> (D <br /> CT ✓r--1- Sttnrntary of/ttsj)cr,fi0n Reconrrrfcrrdations �• <br /> \ III �1 I t't1tiUtYtltf .t O <br /> IF ItINt, , <br /> m 0T <br /> n `V I inc uc•nt ' 1 \I'I ('.I.I.I) /7 <br /> � a Inshccl for broken c,uirretc,spallnt,�,:uul rra,-t.,. I..riicularly under backup Lar; <br /> r^ IISL'd m 1%ch{int:butt- gilded annular rings under the,Itrll r-+- <br /> ('011,111ion <br /> -+-('011,lttion and comments: The concrete ring re-hal%k a'C tl,,,ti.d talo the Mair';on the Mouth cast O <br /> side ufthc tank. Severe deterioration was noted on the s.ntth ccsl .id „ithc tank.Mild cracking and <br /> spalling uas noted around the perimeter of the conerctc rnp. <br /> CD Recommendations:Recommend repairing all cracked,detcnorated and spaltini•arca,un the <br /> concrete ring to mitigate corrosion ofthc reinforcing steel caused by%cater entcnn thnn,�!h the m <br /> noted defects. (D <br /> ITEM 2:COND CODE:4 <br /> Section 2.3--ASPHALT(API:C.1.l.2) <br /> Line item 2.3.a: Check for settling of tank into asphalt base,which would direct runoffrainwatcr <br /> under'the tank instead of away from it. <br /> r--F� Condition and comments: Multiple areas around the asphalt apron revealed a gap between the <br /> chime and ipron-ip,terface which can allow water access to the underside of the tank floor possibly <br /> causing accoleratepottom corrosion.Also mild cracking,in the asphalt apron was noted around the <br /> perimeter of lank <br /> CD Recommendatiojii :Recotnjmeiid re-working the asphalt apron so that rain water run off is directed <br /> -� away from the taiikflopr''1/Illfili`Fal all cracks in the apron to avoid water entering through the cracks N <br /> v O and gaining a! tdt't ankrfl <br /> •`, , ` - O <br /> 3 ITEM 3:COND CO 5' �., �'ky ; O <br /> o Section 3.1.1 --Ekt4XAL SJTELL I ROPER CONSTRUCTION PRAChIC'FS <br /> N Line item 3.1.Ld:Are alk tenetrat' ns over.2"NPS reinforced? <br /> ry CD Condition and comments:^ Water 1)" nozzle"P" is a 3"coupling(threaded) ,Pith no repad <br /> mstAW.Per API any nozzle greater ftp'.," should bejcinforced.` <br /> Re endatio Recommend replacing1HFj;Snozzli a flange type nozzle to eliminate <br /> threa nn ions on the tank. If new 3"f t't�e typ le is�stilled,a low style repad should <br /> be instal t "tale tell hole. �3 ,,* , ` �" r <br /> _ <br /> O. ITEM 4:CO <br /> :3 Section 3.1.2-- L AL VISUAL INSPECTION(A$�1. <br /> Line item 3.1.2. ins'pc for paint failures,pitting,and c entire tank). <br /> Condition an a •',,LighA(p0ve corrosion was noted on phi %dcIrloje shell from <br /> the corner weld d aWmeter Othe tank. A minor area o aos also r+ <br /> t noted randomly sc "edaro xhe )J'' ales and on thermo relief zle pip O <br /> ° Recommendations: Recp en proppin N coating all failed areafdAting�h •g e <br /> ° corrosion to mitigate furt�r cotr41 " <br /> r, p Cn <br /> cD ITEM 5: COND CODE: 4 �� > <br /> ° Section 3.l.5 --SHELL SEAMS AND PLd�§ " <br /> Line item 3.1.5.e: Inspect existing protective co8tings for damage,deterioration,and dis-boor ,? <br /> s= <br /> O <br /> v � <br /> Stockton InspectionDate: <br /> N CONFIDENTIAL PAGE 3 OF 157 O <br />