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WELDON CHURCli PROPERTY LV wCL 0 <br /> cfl <br /> ti <br /> O J &n <br /> Waw <br /> CL � z <br /> 104 <br /> EVERLY <br /> � l� <br /> WEST <br /> � mQ <br /> TRACY CALIFORNIA 95376oma " <br /> ooh <br /> r �" <br /> NJ <br /> W <br /> C:)VAPOR INTRUSION MIT ATION SYS EIG T MM <br /> cn <br /> W N� <br /> _� M <br /> 1 �ao 00 <br /> mQ�� <br /> oVc'�cNo <br /> NOTES VICINITY MAP �o�� <br /> TABLE OF CONTENTS § (E <br /> � � c .. <br /> LO = x <br /> There is an existing home on this property that may potentially be impacted by Vapor _ __ ___ _ VI-01 Title Sheet, Maps and Mitigation Notes <br /> Intrusion due to contamination in the soil relative to a Leaking Underground Storage Tank <br /> ,r,a h • <br /> LUST The existing home has been constructed with a crawl space beneath it and is not "'' "�' "�� VI-02 Vapor Intrusion Venting Plan <br /> ( ) 9 <br /> in contact with the contaminated soil. Due to the potentiab for vapor intrusuon we have � �" �� f "O '�� -16S <br /> designed the following system to be in compliance with the Department of Toxic <br /> VI-03 Vapor Intrusion Venting Details = -- <br /> Substance Controls (DTSC) Vapor Intrusion Mitigation Advisory, Section 4.3.2 Sub-Slab <br /> Depressurization Systems (SSD). _ .,y� •.,�, F,_ �;..,,.,� �_� _�..�h�z and Specifications <br /> I <br /> hyo <br /> The SSD system is designed to function by continuously creating a lower pressure directly _ �'`"�"` o pROFFES/ <br /> underneath a building floor relative to the pressure within the building. ���� � ,,.: RA �I <br /> m <br /> The SSD System shall consist of a perforated PVC header pipe of a dimension specified in ( ° "19,sa <br /> m <br /> ,as_ _, ki F., �ti r E �i _ o exp.09-3 13 <br /> these plans, placed in the crawls space beneath the home and secured to the underside of R s <br /> ..I C V �P <br /> the home. The header pipe email be routed to the exterior of the home and connected to a - OF CAOe� <br /> iV0 <br /> vertical PVC vent riser that is secured to the exterior of the home and terminated at the k' <br /> , er, <br /> roof line per these plans. The vertical vent riser shall be fitted with an inline fan having an <br /> external rotor motor and a UV resistant housing. The fan shall have a dedicated power <br /> circuit. <br /> All components of these approved plans shall be inspected by the Terra-Petra or its <br /> authorized representative(s) before each element of the approved plans is covered. <br /> Terra-Petra shall issue a written certification upon successful completion of the system. <br /> LOCATION MAP <br /> M, <br /> Z <br /> < r O <br /> u -� L d <br /> m <br /> >o <br /> -..�.YSQ k�aYFk •.•.^ - ..EEt3t.A G {L.rzl ,.� Lu:°_[_ . c �.L..,xo,{h :l; <br /> e ` n <br /> SHEET TITLE <br /> S4 <br /> ,,,., •, ,� TITLE SHEET, MAPS AND <br /> TE <br /> MITIGATION NOTES <br /> r'•n"Y ,� J • G <br /> I.9 rrs%I3 Ci <br /> TNI 00LVNf ITNf/N NINYANI NON[TMN W TTIN FE <br /> ,- NG NN N NNINI-N mINNIO<P0 M WN!1/OS V <br /> r_t F �, [W+Y`ATTYp�NmN Al NLMR T�OONIIMNI IO ONIIONT IW/ <br /> Vlf 11 $.Yl"•fit .. _,".IGr ai 5•i a,W6®ID O�NIIOIM I�ININ ml`01NT�0< <br /> 'i fly 4 7t4 .i G2CLLu4' i(a <br /> % <br /> TNIN N:1N1,MF ML T9Tf�1- <br /> m. <br /> F <br /> R' - <br /> January 30, 1012 <br /> x <br /> HEET NUMBER <br /> S <br /> VI-01 <br />