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, �GTION 13985 - STEEL UNDERCROUND STORAGE TANKS: continusd <br /> A. Subnit detailed procadura� for taiting nathods for approval bafora <br /> �tartln6 tank initallation. Thi� include� all radiographing, presiura <br /> ta�tin6, and holiday tastins. <br /> B. Tanka �hall bs fiald te�tad for laakaga immadiately prioz to <br /> inat�ll�tion. <br /> C. Tast� ihall be wltne��ad by DOEINC. <br /> D. Tank ti6htn��■ tasting procedura aftar tank has b�an lorar�d lnto placa <br /> and anchor�d, but befora pipin6 �oint� ar� conca�lad rith backfill or <br /> oth�r con�truction. : <br /> 1. T16htan all tank connaction fitting�. <br /> 2. Soap �ntira Gank and fittln6s. <br /> 3. Pr��auriza th� tank rith (air/ratat) to no sore than S p�ig and <br /> vl�ually inipact for lsak�. <br /> a, U�a an air gauge rith ona-pound incranenta so that ch�ngas in <br /> pree�ura can ba sasily ob�arved. <br /> b. Retight�n all laakln6 flttin6� until �uch leakasa. i� •topped. <br /> c. All dasasad �reas ort tha tank which are found to ba le�kin6 <br /> �hall be brou6ht to the attantion of ths sanufacturar'■ <br /> in�tall�tion repra�antativa. Tha sanufacturer'� repra�antative <br /> �hall �ubuit tha propo�ad rapair sathod to BOEINC for zaviaw <br /> and acaaptanca. <br /> d. Test �h�ll not ba eon�idarad complat� until pra��ur� ha� b�an <br /> saintainad far two hourt during vhlch no leaka are detected. <br /> 4. Tanka which have bean rapaired and tho�a vhich have baen droppad or <br /> iapactad after tast �hall ba r�testad. Tanka �hall continua to ba <br /> rata�t�d until • �ucca��ful laakaga ta�t i■ obtained, <br /> E. At laa�t fiva daya writtan notf.ca �hall ba sivan bOEINC for acceptanc� <br /> ta�t to provlda tioe to arranga for imadSata fill of buri�d tanka <br /> aftar te�tin6 is couplata. No liquid �hall be put lnto tha tank until <br /> �ufficient backfill satarlal haa ba�n placed outsld� to iupport it. <br /> Under no circunstance� �hall 1lquid ba put into tha tank to a laval <br /> abova tha backfill haight at any tima during the initallation. <br /> F. Tank Coating Taating Procadura: <br /> 1. Tha Contractor �hall maka a detailad inspection with a h16h volta6a <br /> hollday testar of all tank coatings and �olnt coatingi pr�ceding <br /> th� lovaring of tha tank. <br /> 2. Holiday-tastar voltaga �hall not ba higher ehan the nanufacturar's <br /> racommanded voltage for tha coating ta�ted. T��tins �hall be for <br /> holidays only and not ta teat tha dialactric •tran6th of th� <br /> coating meterials. <br /> 3. All holidayr and damagad or broken plac�s !n th� coating �h�ll b� <br /> rapairad in • worlmanlika sannar at tha Contractor's axpanae w in6 <br /> ehe oathoda tpacified for fiald-applisd axt�rnal protactiv� pipa <br /> coating and procedure in SECTION 09900. <br /> C. Electrically te�t all insulating flenges and �oint�. <br /> END OF SECTION 13985 <br /> b0E13985.FFf 13985-9 <br />