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0 <br /> 0 <br /> PEI / RP1200 -12 T _ zr <br /> CL <br /> 3 . Check the hall for holes and cracks . It should 7 . 3 . 2 Purpose . The purpose of this inspection 3 <br /> move freely in Ute cage . Replace any missing or is to verify that the overfill alarm is operating cor- <br /> defective parts . rectly and is set. to provide a warning when tete tank <br /> 0 <br /> 4 . Check Ole vent orifice in the vent- restriction <br /> is no more than 90 percent full . <br /> pipe . It must he open and located near die top of 7 . 3 . Description of Test . Thill procedures is <br /> 3 <br /> the noble . this test are for overfill alarnis that are an integral 1 <br /> 5 . Use the ball float valve manufacturer ' s suggest_ part of a typical AI'G that uses maguelostrictive <br /> ed inspection procedure to determine if vapor probes far fuel level measurements in the UST. :T <br /> _ flow will he restricted when the tank is no moreK <br /> than 9t ) percent full Make any adjustments nee - The ATG probe is removed from the tarilc. When <br /> Ute product float is moved to the position cor- , <br /> esswy 10 ensure that flow will he restricted when respondino. to the 9O percent fill level , the alarn 3 <br /> tee lank is no more than 90 percent full . should activate . 91 <br /> 6 . After inspection of the hall float valve assembly. <br /> reinstall it following Ute manufacturer 's installa 7 . 3 . 4 Preparation . Use this lest procedure in o <br /> [ion instructions . c0niu11C. 0on wiat the monitoring system manufac - (D' <br /> turer ' s installation and maintenance instructions . <br /> 7. 2 . 7 Pass/ Fail Criteria . The hall float valve N <br /> passes the inspection if the ball float valve fungi - Refer to Ute Laiik manufacturer ' s tank chart for the <br /> F' F ' <br /> tions as designed , flow resttdiction occurs when the Capacity in callous , the diameter and the volume of 0 <br /> tank- is no more than 90 percent full . and the tattle- product that corresponds to the product level . <br /> z <br /> top fittings are vapor tight . When possible, print out the system setup to verify <br /> If any of the Following con_figwations exist, the the proper c,onfiguralion of the ATG . <br /> overfill prevention system fails the inspection : 7 , 3 . 5 Test Equipment, ` hest equipment shalldo <br /> 0 <br /> ball float valves installed in storage systems ( hat include : C <br /> are equipped with stiction pumps and air ehini - • tools for the removal of the AI'G probe ; o <br /> nators ; <br /> • tape measure or gauge stick . <br /> • ball float valves installed with coaxial Slar>e 1 0 <br /> vapor recovery $, 7 . 3 . 6 Test Procedure . <br /> • ball float valves used on tanks equipped with 1. Measure Ute product level ill the lank and cont - � <br /> remote-fill pipes and gauge openings without pare to the console reading to cot>hinn ATC 3 <br /> the use of " trap door " devices ; or accuracy. If the reading does not tt`nee , contact Q <br /> • ball float valves installed in storage systems that the appropriate person . 0 <br /> also are equipped with antam1MIC shutoff devices 2 . Verify that the overfill alarm on the ATC is set to S3 <br /> and Ute ball float valve is set to restrictt flow provide a warnnig when the tahhk is no more dial a <br /> before ale ttntk is 95 percent full , 90 percent full . Consult the tank chart for dee � <br /> inch-level setting for 90 per tank volume, o <br /> If the bail float valve does not frinehatl as designed , <br /> flow restriction does not occur until the tank is more 3 . Verify on tee AfG console that the overfill alarm o <br /> than 90 percent full , or (he tank- top fittings are. no ( circuit is operational . <br /> vapor- light, the ball float valve fails the inspection. 4 . Activate the overfill alarm warning to verily its CD <br /> 7 . 3 Overfill Alarms . operation . If found defective , contact tile. appro- <br /> co <br /> priate; person , FD <br /> 7 . 3 . 1 . General . Overfill alarms provide an audi 5 . Remove the ATG probe Cap and disconnect ate <br /> le and /or,end/or visible warning to the fuel delivery cable from the AI'tib <br /> driver if ate product level in the UST reaches the <br /> 90 percent level during a delivery. They are often 6 . Remove the ATG probe from the tank . Use <br /> an integral pawl of the ATG system . An overfill care to ensure that the product float on the stem <br /> alarm does not slop or restrict product flow, does not catch on the bottom of the riser during <br /> — removal . o <br /> A <br /> 0 <br /> 3 <br /> + pei . org <br />