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I <br /> I =w <br /> U I- <br /> W O <br /> I Z <br /> INSIDE SUBSTATION OUTSIDE SUBSTATION rc w <br /> w� <br /> CO <br /> 2" OF 1" <br /> LIMESTONE <br /> I �� 4:1 SLOPE <br /> SUBSTATION 4:1 SLOPE ; <br /> ' e .. <br /> ROCK :ii♦�♦�♦�.�♦�NI;: <br /> 1 CLAY 2-O• <br /> 1 TYPICAL BERM SECTION <br /> Z W <br /> I <br /> 00 <br /> =Z <br /> 2" OF 1" INSIDE SUBSTATION OUTSIDE SUBSTATION w Lo <br /> LIMESTONE NORMALLY m <br /> SUBSTATION vim. CLOSED <br /> II ROCK <br /> 4:1 SLOPE l���'� 4:1 SLOPE �` LOCK AND <br /> FLOW ammo.. �(O(SI <br /> CLAY <br /> I 7 <br /> 2'-O <br /> I ROUND PLATE <br /> (WATER STOP) <br /> I - <br /> TYP. BERM DRAINAGE VALVE SECTION <br /> U <br /> W <br /> WO <br /> 2 z <br /> INSIDE SUBSTATION OUTSIDE SUBSTATION W L"i <br /> m <br /> 2" OF 1" ■ <br /> LIMESTONE <br /> I UBSTATION fi:1 110SILf fOaPr .�.�.: 6:1 14S1.L. <br /> ROCK I�� . O AINf <br /> CLAY - - ) 7 <br /> TYP. BERM DRIVE SECTION <br /> j <br /> 1 NOTE: MINIMUM SUBSTATION BERM HEIGHT a (LARGEST TRANSFORMER TANK CAPACITY IN GALLONS) x <br /> (0.134 CUBIC FEET/GAL) x (12 INCHES/FT.)/(SUBSTATION AREA SQUARE FOOTAGE). ADD AN <br /> ADDITIONAL INCH TO THE BERM HEIGHT AS AN ALLOWANCE FOR PRECIPITATION. <br /> 1 1 oi <br /> I <br /> 7 DRWN. PROJ. <br /> SUGGESTED SEC.CONTAINMENT BERM DET. PGM AELKMU0301.00 <br /> ASSOCIATED CHKD.ii,.. .._ „......„.„4-6 <br /> o �5� C CONSULTANTS <br /> o CONSULTANTS <br /> S,INC. MUNICIPAL ELECTRIC UTILITY <br /> D PHONE: (952) A MEMBER OF THE SEH APP <br /> 1 x FAX 9 2)29112-2601 CROUP SC LE DATE <br /> (952) ELK RIVER, MINNESOTA <br /> WWW.SEHINC.COM 1/2"a1'-0" 1/8/03 <br /> i <br />