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PROJECT IMPERVIOUS SURFACE DATA <br />PERVIOUS AND IMPERVIOUS SURFACES COMPARISON TABLE <br />AREA <br />TYPE <br />TREATMENT <br />CONTROL <br />MEASURE <br />PROJECT PHASE NUMBER: (N/A, 1, 2, 3) <br />N/A <br />TOTAL SITE (ACRES): <br />182 [7Y 163 51'] <br />TOTAL AREA 511E <br />DISTURBED (ACC SITE <br />181 <br />IMPERVIOUS SURFACES <br />EXISTING CONDITION OF <br />DISTURBED AREA (SQUARE <br />FEET): <br />PROPOSED CONDITION OF SITE AREA <br />DISTURBED (SQUARE FEET): <br />REPLACED NEW <br />BUILDING FOOTPRINT <br />I9, 325 <br />19,325 <br />17,063 <br />STREETS & PARKING <br />36,202 <br />7, 931 <br />0 <br />S1'W PA 7705 PAINS ETC. <br />1,560 <br />1,560 <br />9,490 <br />SIRLE75 (PUBLIC) <br />0 <br />0 <br />0 <br />S7Rf'EIS (PRIVATE) <br />0 <br />0 <br />0 <br />TOTAL IMPERVIOUS SURFACES -1 <br />57,087 <br />1 28,816 <br />26,553 <br />PERVIOUS SURFACES <br />TCM pD <br />YES <br />730 <br />LANDSCAPED AREAS <br />22,076 <br />f$368 <br />0 <br />PERVIOUS PAVING <br />0 <br />0 <br />9,428 <br />OTHER PERVIOUS SURFACES (GREEN ROOF ETC.) <br />0 <br />0 <br />0 <br />TOTAL PERVOUS SURFACES <br />22,076 <br />14,368 <br />9,426 <br />TOTAL PROPOSED REPLACED + NEW IMPERVIOUS SURFACES: <br />535 <br />55,369 <br />TOTAL PROPOSED REPLACED + NEW PERVIOUS SURFACES. <br />21 SF [49] <br />23,794 <br />TREATMENT CONTROL SUMMARY TABLE <br />AREA <br />TYPE <br />TREATMENT <br />CONTROL <br />MEASURE <br />LINED? <br />TOTAL SURFACE <br />(SF) <br />PERVIOUS <br />SURFACE (SF) <br />IMPERVIOUS <br />AREA (SF) <br />SIZE OF <br />TREATMENT <br />REQUIRED <br />SIZE OF <br />TREATMENT <br />PROVIDED <br />DMA 11A <br />810TREATMENT <br />TCM 11A <br />YES <br />1,3f0 <br />0 <br />010 <br />52 SF [43-] <br />52 SF <br />DMA J18 <br />BIOTREATMENT <br />TCA! /18 <br />YES <br />357 <br />0 <br />357 <br />14 SF (43-] <br />14 SF <br />DMA 11C <br />6107REA7MENT <br />TCM 11C <br />YES <br />358 <br />0 <br />358 <br />14 SF [4%] <br />14 5F <br />DMA 119 <br />BIOTREATMENT <br />TCM pD <br />YES <br />730 <br />0 <br />730 <br />29 5F [4%] <br />29 Sr <br />DMA 11E <br />B10TREATMENT <br />TCM 17E <br />YES <br />395 <br />0 <br />395 <br />16 SF [4%] <br />16 SF <br />DMA JIF <br />810TREATMENT <br />Till! JIF <br />YES <br />535 <br />0 <br />535 <br />21 SF [49] <br />21 SF <br />DMA ,42 <br />810TREA7MENT <br />TCM! 12 <br />YES <br />21,613 <br />7,360 <br />14,253 <br />570 SF [4%] <br />600 SF <br />DATA J3 <br />MEDIA RLTRA 77ON <br />TCM j3 <br />NO <br />35%395 <br />788 <br />34,607 <br />65% <br />659 <br />SR p <br />SELF-RETAINING <br />N/A <br />NO <br />7669 <br />4,845 <br />2,421 <br />f:2 <br />1:2 <br />ST /I <br />SELF -TREATING <br />N/A <br />NO <br />814 <br />814 <br />0 <br />ST 12 <br />SaF-TREATING <br />N/A <br />NO <br />9,987 <br />9,987 <br />0 <br />S17F TOTALS.• <br />79,163 <br />23794 <br />55,369 <br />EXHIBIT B. STORMWATER MAINTENANCE AGREEMENT <br />DATE DEC. 203 9 <br />SCALE AS SHOWN <br />FOR: ROEM DEVELOPMENT CORP. <br />DR' BY iZ <br />REDWOOD CITY CALIFORNIA <br />KI ER & WRIGHT <br />)OB A] 5145-2 <br />W <br />CIVIL ENGINEERS & SURVEYORS, INC. <br />SHEET NO. <br />3350 Scott Boulevard, Building 22 (408) 727 6665 <br />Santa Clara, California 95054 fax (408) 727 5641 <br />1 OF <br />