Laserfiche WebLink
-71- 8.A. - Page 248 <br /> ATTJ4GFf1�iERIT 2 <br /> other construct�on-related p�rmif) shalt cantain � storrnwat�r managerr��rtic <br /> �alan, for review and approval by th� City's Engineering Div�sian, to rnanage <br /> starmuv�ter ru�-off and to limit the di�c�ar�e of patlut„�nts in stormvyater afi�er <br /> canstructior� of'the projec#ta the maximum extent practicable. <br /> a. The post-construction starmwater m�n�gement pl�n shall ir�clude ar�d <br /> fden#iiy�he foflowing: <br /> (i) All pro�as�d impervious s�rfaca on �re si�e; �n� <br /> ('ri} Anticip�ted dtr�ctionat�lawrs of on�it� siarmw.a�er runnf�; and <br /> (iii� Site desigr� rne�ss�res to red�ce the �moun# of imp�rNiQU� s�a��ce <br /> area anti ciire�ly cor�rtected irn,pervious surfi�c�s; and <br /> (iv}5ource �o�tro� meastrres to �imit th� po�ential for stormwater <br /> paliutio�; and <br /> (�) Sfiormwatcr �rea�tmen� measures to remove pv�futants �r��n <br /> �tormww�ter r�,noff; and <br /> {vi}Hydromodi�icarion manag�me�t rneasures so fhat ,�ost-praject <br /> �tormwater runvff does r�nt exceed the f�orrv and duratior� of pre- <br /> pra�ject r�unoff, 'rr r��uired uncler th� �1PDE� permi�. <br /> b. The tol�owing additio�a( informa�ion sF�all �e sut�mi�;�d with the pvst- <br /> consfruc�tion stormwater m�nagemen�plan: <br /> (i) Detailed hydraulec sizing calculation� for each storrr�w�ter Yr��tm�r�t <br /> measure propo�ed; ar�d <br /> (ii) Polfutant r�mov�) infarmation demonstrating th�t any prop�a�ed <br /> mar�ut'actt�r�d/ r��echar�ic�! (i.e. nan-lands�ape-�a�ed} stormwater <br /> tr�afinent measufe, when r�ot used i� combin�tion wit� � <br /> tandscape-based tr��tm��t measuPe, �s cap�bfe vf rsmoving the <br /> range of poflutants #ypically r�moved by I�ndscape-based tre�tment <br /> measures �nd/or #he rang� of pollut�nfys expect�d #o be generafe� <br /> by f�e �roject. <br /> c. All propo��d �tarmwate� treafirnent m�ast�res shall ir�corporate <br /> appropria�� pfantrr�� materia�s fior storm�rate� tr���rnent (far landsc�p�- <br /> ba�ed �reatrrient measures� and s#�aI! be designed r�vit� considerations <br /> for �ecto�/mosqui�a control. Prvpos�d pf�nting ma�eri�fs for all <br /> pro�os�d �andscape-b�sed �t�rma�at�r freatment measures shall b� <br /> included an t�e landscape and irriga#ivr� plar� for �i�e p%�ect. The <br /> applic�n� is not r�qui�d to incf�ade or�-site storrt�water trea��rt�ent <br /> messures in th� pa�t�onstn�c�an starmwater manag�met�t plan i� he <br /> or she secur�s ap�roval ��m the Ci� Engirte�r af a� �It,�rnati�� <br /> proposal that demonstr�4es com�liance �tt� #h� r�quirements of tl"rs <br /> Provision C.3 ofi the �latior�al Pollu�nt Disch�r�� Elimination System <br /> (hI�PD�S) per`nit issued t� thw 5an f�ateo Countywid� Clea� Water <br /> Pragr�m. <br /> A1TYlRES0.2254/ATFACHMENT 2 FIfVG�R PLANNED�EYELQPWlENT—PC <br /> REV;OB-14-12 VR <br /> Page 1n"of 21 <br />