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le BKF ENGINEERS
<br />® 2100 FRANKLIN STREET
<br />SUITE 4C
<br />OAKLAND, CA 94612
<br />(510) 899-7300
<br />www.bkf.com
<br />ATTYIAGR.2024/Amend. No. 3/Stanford
<br />EXHIBIT 'B"
<br />STORMWATER CONTROL PLAN
<br />STANFORD HEALTH CARE
<br />Drawn MA/JK Checked AP Approved KW
<br />Job No. 20212252 Date 08/23/2024 Sheet 12 of 14
<br />Ith Care (500 Broadway Stanrord Block E - Third Amend. STNMMA) (Page 15 of 26)
<br />Block E Drainage ManagementArea (DMA) & Integrated Management Practice (IMP) Sizing5ummary
<br />DlvW,,P #
<br />Total Area
<br />Impervious
<br />Pervious
<br />Bioretention Area
<br />Bioretention Area
<br />LWArea
<br />(SF)
<br />Area (SF)
<br />Required [SF)
<br />Description
<br />Provided [5F]
<br />El
<br />18,461
<br />14,445
<br />4,015
<br />462*
<br />477 Surface lot -Flow-Volume Calculated
<br />E2
<br />55,490
<br />55,490
<br />-
<br />*1724
<br />1,735 Parkin g5truCture *Flow -Volume Calculated
<br />E3
<br />7,772
<br />4,220
<br />3,552
<br />183
<br />212 Surface lot between parking structures
<br />E4
<br />1610ZZ
<br />13,531
<br />1 1,925
<br />549
<br />566 Southern ordw of surface lot
<br />E5
<br />3,287
<br />1,732
<br />1,478
<br />75
<br />77 Portion of western parking lot
<br />E6
<br />8,447
<br />6,434
<br />2,013
<br />265
<br />336 Super Oval
<br />E7
<br />KOM
<br />6,688
<br />3,054
<br />280
<br />347 Super Oval
<br />E8
<br />16,148
<br />6,700
<br />9,448
<br />306
<br />365 ADA parking lot, landscape andhardsca e
<br />E9.1
<br />7.797
<br />563
<br />6,926
<br />Landscape area
<br />E9.2
<br />9,226
<br />6,575
<br />1,651
<br />Access road
<br />IMP 9
<br />16,023
<br />7,138
<br />8,577
<br />*249
<br />308 *Flaw -Volume Calculated
<br />E10
<br />33,582
<br />30,442
<br />2,502
<br />1,228
<br />1,267 Super Oval, Service Yard and hardscape
<br />E11.1
<br />12,958
<br />2,081
<br />10,628
<br />126
<br />❑ en Space
<br />E11.2
<br />2,043
<br />2,043
<br />-
<br />82
<br />Po rtion of western parking lot
<br />IMP 11
<br />15,001
<br />4,124
<br />10,628
<br />207
<br />249
<br />E12
<br />338
<br />1,095
<br />243
<br />548
<br />366 Self -retained area
<br />E13.1
<br />9,763
<br />9,763
<br />ExIstin Pavement maintenance area
<br />E13.2
<br />14,748
<br />14,748
<br />-
<br />Existing pavement malntenancearea
<br />E14
<br />'1
<br />23,987
<br />1,205
<br />*746
<br />793 Access road, loadinS dock and portion of western Parking lot *Flow -Volume Calec
<br />E16
<br />25,1271
<br />25,127
<br />-
<br />1638
<br />638 MOB roof *Flow -Volume Calculated
<br />E17
<br />7,015
<br />6,517
<br />498
<br />263
<br />268 Su erOval
<br />19,775
<br />383
<br />*615
<br />627 MOB roof and ortion of weste rn laza *Flow -Vol u me Calculated
<br />3,578
<br />6,410
<br />169
<br />174 Western laza.
<br />S23,920
<br />721
<br />361
<br />599 Selr-retainedarea
<br />1L 664
<br />- Inner Oval, self-treati landscape
<br />3,260
<br />660
<br />*104
<br />116 Access road nearpou las cul-de-sac *Flow-Vol ume Calculated
<br />E21
<br />17,000 1
<br />15,105
<br />1,895
<br />-
<br />- Portion of Broadway treated with Silva cells
<br />E22
<br />13.700
<br />10,875
<br />2,825
<br />-
<br />- Portion of Broadway treated with Silva cells
<br />E23
<br />6,666
<br />5666
<br />*154
<br />158J Portion ofilou IasAvecul-de-sac*Calculated perBASMAA
<br />E24
<br />6,8%
<br />6,737
<br />*155
<br />159 Portion ofDou IasAvecul-de-sac*Calculated perBASMAA
<br />CEF 1(EX)
<br />19,833
<br />13,418
<br />6,415
<br />562
<br />750 Portion of existin CEF rooftop and landscape
<br />CEF 2(EX)
<br />27,157
<br />21,402
<br />5,755
<br />9791
<br />895 Fxlsting CEF Parking lot drainage
<br />Note: 1) Bioretention
<br />areas were sized
<br />using the flow -based "4 percent method" and combination flow -volume sizing criteria in the 2020 San Mateo County C.3 Stormwater
<br />Technical Guidance Handbook.
<br />le BKF ENGINEERS
<br />® 2100 FRANKLIN STREET
<br />SUITE 4C
<br />OAKLAND, CA 94612
<br />(510) 899-7300
<br />www.bkf.com
<br />ATTYIAGR.2024/Amend. No. 3/Stanford
<br />EXHIBIT 'B"
<br />STORMWATER CONTROL PLAN
<br />STANFORD HEALTH CARE
<br />Drawn MA/JK Checked AP Approved KW
<br />Job No. 20212252 Date 08/23/2024 Sheet 12 of 14
<br />Ith Care (500 Broadway Stanrord Block E - Third Amend. STNMMA) (Page 15 of 26)
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