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C . 3 S T O R M W A T E R TECHNICAL G U I D A N C E <br /> Optional porous aggregate <br /> for overflow drainage <br /> ( I( ! pp ! Porous asphalt - 3 in. typ. <br /> --, /III=III <br /> ` e- Ilfllll 1PIIO Il lhl l llii Ili Choker course-III III 7 <br /> °��®4i b0.-a 454toitn s°1 g8° l. l/2 to 1 in. thick <br /> 111=111 =1 l e ° ® ° > ° Who <br /> °�' " ' (Typ. No. 57 stone) <br /> r ."� F t <br /> -III <br /> ° <br /> I I1=III III= Ir � � � , <br /> Er-111E- 111E- III= e � `. Reservoir layer - <br /> III-III -III III er ' ' , thickness varies <br /> —III_ I11_III—III , c , with design <br /> 11 =_1117— <br /> 111 III =III 'e,r Ti (Typ. No. 2, 3, or 4 stone) <br /> --1-_-111==- 111 ._=111E- III = . o0 , iii pia <br /> III-111 -III=III - - —`-' c-) CI Optional geotextile on <br /> 1=111=111=111 111= I1=111 =111=111=111=111= bottom of reservoir <br /> 1111-111=111-111-1 =1111_ 111=1111-1 El 11=1 <br /> Cover reservoir Soil subgrade <br /> sides with geotextile <br /> Figure 6-27. Typical Porous Asphalt Pavement <br /> Note: ASTM No. 3 or 4 stone may be substituted for No. 2 stone. (Source: Santa Clara Valley <br /> Urban Runoff Pollution Prevention Program) <br /> Typ. No. 8 aggregate in openings <br /> Curb/edge restraint <br /> ),t ,L Concrete pavers <br /> 3 1/8 in. thick <br /> groan MI Pr‘lill 4:7 <br /> 4 in. thick No. 57 a t, rii 4 r t , 4 i Bedding/choker course 11/2 to 2 in. <br /> stone open-graded ____ter rseV. ` 'v¢ ;a $°„ 'i°s thick (typ. No. 8 aggregate) <br /> base reservoir f clii, ,mot1 ikir°� ig3 �+.t. <br /> / , , . ' 1-1., ,0 r1 <3c <br /> r , ., - Cover reservoir <br /> s � <br /> Typ. No. 2 stone e sides with geotextile <br /> « e <br /> subbase reservoir - r ' <br /> thickness varies '3 ° <br /> with design 111—III I I III I I1=III 111 I I f 111 <br /> II I I- 1=111 III-III=111 I � 111 <br /> Optional geotextile <br /> on bottom of Soil subgrade <br /> reservoir <br /> Figure 6-28. Profile of Porous Concrete Installation <br /> Ack. E <br /> SAN MATEO COUNTYWIDE <br /> Water Pollution <br /> Prevention Program <br /> Clean Water. Healthy Community. <br /> CHAPTER 6 6-33 <br /> ATTY/AGR.2016.231/849 Veterans RWC, LLC - STMMA <br />