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03/03/1599 12:04 3604030188 TWO RIIlEf�� ENGIhEEfi� PAG� 03 <br /> . .. . . i .� , <br /> 9eaway Blvd. Ot[lee <br /> Seawq Center I.ot Sd <br /> IArslrap 1�I�n <br /> R rt Add�nd�um <br /> n <br /> ■re6 �, 1!f! <br /> Repl�ee 9eetion 11 with t6e folbwla= per the ytpco�ed plw: <br /> I 1. PROP06ID DRAINAdE SYS1'F�ul-The qopoeod drai�w�e ayslem ia camposed of <br /> �roUection syeoem,east and wat fixtca for pavement,aed a water qualiry pond oo ptv+�de <br /> tream�ent for the water q�ulity aDom�. An emdrget�spillway has been provided m the <br /> cvcnt the systcm b000atea dysfunc,tiooal.The b�dldmg roo(top runotf ehnll bc odlccled on <br /> tlu east side of tbo building and routad to iho oxis4ng�ed'uqent trap pond. 7'Irit(low will be <br /> iotroduoed into tha mvironmeaW at+�using d�e exisling spreader. <br /> The treatmml elrns�e 6aa been a000mmadwtod within the aedimentadatt pond pr�eviously <br /> oanetructed.The ex�sting poed hoe been eepetat�d ioto twro xctioaa. The flrot deeper <br /> soc4vn will De used as the open odl. Its afage t�Ee c�rve ie"DOEWQP".The bouom <br /> elcvadon is 992.5'.The mwumum deva6on fer opon oell storage crn theo be 998.5'.Thc <br /> ataac ato�uae curve for the open oe11 was devdoped ue� AutaCedd a�ea Cune.tiaa far thc <br /> �u <br /> oonooura south d the ooncxeoe div�der wall.The epaa elevatian shall be obpiined by <br /> removal of a portion af tlu e�rieling oudet plpa setdng a new menhde ova the existing <br /> outlet plpe and invmlling a new audat pipe vnd�m overllow set to d�e elevatiao of <br /> 597.?U'. Tbe storage providcd in ihe open oell will be 4766 cf.TLe eeoad cell wip be <br /> used for hea�ent The bottom d thet coll is 996.0'.77�e maaimum cdl eleva8on for <br /> �ent then c�n be 998.0'.17te hralment eta�age will bc 2.275 cf. Ib at�ge etorage <br /> �uve was detatnieed by subtracting ihe open all curve f�tn the total all cawe.The <br /> estimated tnaximwn weter elevation far the t,eannmt crll is 997.76 dwing t6e �00 yesr <br /> stcxm. The hydraulic oonpd Far t6e�will be the unra�tricfed o�rtlet.'i'he ma�dmum <br /> bcrm height oi 60D.0 will p�ovide a roebard d 2.25'. <br /> BND <br />