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PLN17-0034 311 MACARTHUR BOULEVARD - 20-Unit Townhome Condominium Development - Zoning Amendment, Planned Development, Tentative Map, Site Plan Review <br />EXHIBIT N.1 - GRADING AND UTILITY PLAN NORTH <br />BUILDING A 817 Arnold Drive, Ste. 50Martinez, CA 94553Ph: (925) 476-8499 www.apexce.netDATEAPPBYREVISIONSNO.17028PROJECT #: <br />1 2 3 4 5 6 <br />19 <br />20 <br />BU <br />I <br />L <br />D <br />I <br />N <br />G <br /> <br /> <br />D <br />7 8 9 <br />BLVDBROADMOORFLOW LINE ELEVATION 65.00 BUILDING "D" SSCO (LOTS 19-20) <br />FLOW LINE ELEVATION 65.50 BUILDING "A" SSCO (LOTS 1-9) <br />61.90 (6" IN) <br />61.63 (8" OUT) <br />61.2 (8" THRU <br />FLOW LINE <br />ELEVATION <br />SSMH-3 <br />SSMH-2 <br />62.65 (8" OUT)68.2 <br />61.3 (8" IN) <br />61.73 (8" IN)68.9 <br />FLOW LINE <br />ELEVATION <br />RIM <br />ELEVATION <br />69.1SSMH-1 <br />STR. # <br />SANITARY SEWER SYSTEM SUMMARY <br />AD-2 68.2 (4" OUT)69.2 <br />AD-2AD-1 <br />67.3 (4" OUT)68.1 <br />67.00 (4" THRU)67.8 <br />AD-13 <br />AD-12 <br />AD-11 66.80 (4" THRU)68.0 <br />AD-13 <br />AD-12 <br />AD-11 <br />CB-1 <br />CB-2 <br />SSMH-3 <br />CB-9 67.0 (6" OUT)68.5 <br />AD-1 67.36 (4" THRU)69.5 <br />58.20 (15" IN) <br />57.8 (15" OUT) <br />66.5EX CB <br />61.05 (15" OUT) <br />58.27 (15" THRU) <br />58.27 (15" IN) <br />CB-9 BROADMOOR BLVD.MACARTHUR BLVD. <br />H <br />E <br />R <br />M <br />A <br /> <br />C <br />O <br />U <br />R <br />T <br />KEY LEGEND <br />CB-2 <br />MH-1 <br />64.20 (8" OUT)67.20 <br />66.8 <br />FLOW LINE <br />ELEVATION <br />GRATE <br />ELEVATION <br />67.4CB-1 <br />STRUCTURE # <br />DRAINAGE SYSTEM SUMMARY <br />CB-10 58.58 (15" THRU)TC 67.57 <br />CB-11 58.77 (15" THRU) <br />CB-10 <br />CB-11 <br />TC 67.28 <br />66