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Poe"' STI SP-001 INSPECTION <br /> POWERS e°"" "� '° <br /> FF 707 9]6V GILLIESTRUCKIN3 $TOCKTON,CA <br /> FP%]0]B32 Y2Bi <br /> ENGINEERING&INSPECTIOH,INC. '"'"'"F^^'°«e.^ Diesel Tank <br /> 4. Access -VT and a. The secondary containment is not provided with access but <br /> structure measurement of can be viewed from installed tank ladder. The access structure <br /> access structure are not OSHA compliant and in good condition. Consider <br /> components installing a cage for the tank ladder to meet OSHA compliance. <br /> b. Consider installing an access structure for access to the <br /> secondary containment. <br /> c. No additional access structure issueswere noted. <br /> 5. Coatings -VT of Coatings a. The tank was visually inspected for any coating failure. The <br /> tank shell, ends, and appurtenance coatings are generally <br /> worn, with isolated areas of coating failure. Monitor the <br /> condition ofthe coatings and applytouch up coating as needed <br /> to help prevent corrosion damage to the shell, ends, and <br /> appurtenances. <br /> 6. Venting .VT of existing a. The tank is equipped with a 2-in open vent with a total of 3.14 <br /> venting system square inch of surface area opening which is less than the 7.07 <br /> •Calculate square inch of the largest in use nozzle (3-in). The normal <br /> Venting venting is undersized sized according to NFPA 30 and UL 142. <br /> Requirements Install a dedicated 3-in gooseneck vent nozzle. <br /> b.According to the Morrison Venting guide and N FPA 30,the tank <br /> minimally requires an &-in emergency vent. Install an 8-in <br /> spring style emergency vent provides emergency venting at <br /> 385,920 cubic feet per hour for a wetted area of 584 square <br /> feet. The tank is currently without emergency venting. (See <br /> significantphotos) <br /> 7. Grounding -VT grounding a. The tank is anchored by bolts into through the steel saddle <br /> system supports and into the concrete containment. <br /> b. No grounding cable wireswere present. <br /> 8. Signage and .VT to document a. The tank is not equipped with a diamond placard hazard sign <br /> Placards Fire Department required by NFPA 704. Install a newplacard on ornearthe tank <br /> Signage that conforms to NFPA 704. <br /> b.Consider installing a new nameplate with basic tank <br /> information. <br /> 9. Gauging .VT of tank a.The tank is equipped with an electronic level alarm and monitor. <br /> Gauging system The system has been confirmed by the operator to be in <br /> working order. <br /> b.The tank gauging system is sufficient for this an <br /> 10. Piping .VT of piping a.Visual inspection of the piping components was performed. <br /> system This tank is equipped with threaded components and piping, <br /> which are known to develop seeps. Monitor these areas during <br /> monthly and annual inspections. <br /> SIISPWI Ceres Tv Dian Ta Sb1-QkZU Wba QI Ptl..'. <br /> OMP£L lrc <br /> Page 3 <br />