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ECT IMPERVIOUS SURFACE DATA <br />PERVIOUS AND IMPERVIOUS SURFACES COMPARISON TABLE <br />DATE <br />AREA <br />TYPE <br />PROJECT PHASE NUMBER: (NIA, 1, 2, 3) <br />N/A <br />TOTAL SITE (ACRES): <br />1.82 [79,163 SF] <br />TOTAL AREA OF SITE <br />DISTURBED (ACRES): <br />182 <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 />19,325 <br />19,325 <br />17063 <br />STREETS Bt PARKING <br />36,202 <br />7,931 <br />0 <br />SIN; PA 710S, PA7HS ETC. <br />1,560 <br />1,560 <br />9,490 <br />STREE7S (PUBLIC) <br />0 <br />0 <br />0 <br />STREETS (PRIVATE) <br />0 <br />0 <br />0 <br />TOTAL IMPERVIOUS SURFACES - <br />57,087 <br />28,816 <br />26,553 <br />PERVIOUS SURFACES <br />BIOTREATMENT <br />TCM /7D <br />YES <br />LANDSCAPED AREAS <br />22,076 <br />14,368 <br />0 <br />PER NOUS PAVING <br />0 <br />0 <br />9,426 <br />OTHER PERVIOUS SURFACES (GREEN ROOF, ETC.) <br />0 <br />0 <br />0 <br />TOTAL PERVIOUS SURFACES.- <br />22,076 <br />14,368 <br />9,426 <br />TOTAL PROPOSED REPLACED + NEW IMPERVIOUS SURFACES: <br />YES <br />55,369 <br />TOTAL PROPOSED REPLACED + NEW PERVIOUS SURFACES: <br />535 <br />23,794 <br />TREATMENT CONTROL SUMMARY TABLE <br />DATE <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 />REWIRED <br />SIZE OF <br />TREATMENT <br />PROVIDED <br />DMA 41A <br />BID 7REA 774EN T <br />TCM 11A <br />YES <br />1,310 <br />0 <br />010 <br />52 SF [4%] <br />52 SF <br />DMA JIB <br />BIOTREATMENT <br />TCM 11B <br />YES <br />357 <br />0 <br />357 <br />14 SF [4%] <br />14 SF <br />DMA 11C <br />BIOTREATMENT <br />TCM /1C <br />YES <br />358 <br />0 <br />358 <br />14 SF [4%] <br />14 SF <br />DMA 11D <br />BIOTREATMENT <br />TCM /7D <br />YES <br />730 <br />0 <br />730 <br />29 SF [4R] <br />29 SF <br />DMA 11E <br />BIOTREATMENT <br />TCM 11E <br />YES <br />395 <br />0 <br />395 <br />16 SF [4%] <br />16 SF <br />DMA /1F <br />BIOTREATMENT <br />TCM JIF <br />YES <br />535 <br />0 <br />535 <br />21 SF [4%] <br />21 SF <br />DMA 12 <br />BID 7REAIMENT <br />TCM 12 <br />YES <br />21,613 <br />7,360 <br />14,153 <br />570 SF [4X] <br />600 SF <br />DMA f3 <br />MEDIA RL IRA77ON <br />TCM /'3 <br />NO <br />35,395 <br />788 <br />34,607 <br />65% <br />65% <br />SR /1 <br />SELF-RETAINING <br />N/A <br />NO <br />7669 <br />4,845 <br />2,421 <br />1.2 <br />1:2 <br />ST #1 <br />SELF -TREATING <br />N/A <br />NO <br />814 <br />814 <br />0 <br />ST 12 <br />SELF -TREATING <br />N/A <br />NO <br />9,987 <br />9,987 <br />0 <br />S1 TE TOTALS] <br />79,163 <br />23,794 <br />55,369 <br />EXHIBIT B: STORMWATER MAINTENANCE AGREEMENT <br />DATE <br />DEC. 2019 <br />SCALE <br />AS SHOWN <br />FOR: ROEM DEVELOPMENT CORP. <br />REDWOOD CITY CALIFORNIA <br />DR. BY <br />JZ <br />k KIER & WRIGHT <br />SOB <br />A15145-2 <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 1 <br />OF <br />