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III <br />Los Angeles World Airt)orts <br />Contract No. DA-5103 <br />Stormwater Filter Inspection & Mainteii(mce <br />�,,,� Contract Value: S1,750,000 /3-years <br />Date: 2016 — Present <br />Contact: Howard Horning— Airport Maintenance Superintendent <br />Phone & Email: 424.646.7964 / hhorning(allawa.org <br />Address: 7� 01 World Way West, Los Angeles CA 90045 <br />Summary: Maintenance of Pump <br />Stations, Concrete Structures, <br />Clarifier~, Catcll Rosin~, <br />Stormtilters, liydrodynamic <br />Separators as well as Lmergency <br />12esp(ln;e and Ha7a1'dC)nS Wavle <br />Monahernent for boll) LAX and <br />Van Nuys Airports. <br />Every 55 seconds an airplane <br />lands/departs at LAX- <br />Lxtrapolated, that is 1,587 <br />landings/departues per dav, <br />600,000 landings/departures per <br />year. T is t is a lot of runway rubber <br />left on Lhe Larrnac LhaL filter; <br />thrnu, h ,torm drain,. In order to <br />comply with its MS4 permit, LAX <br />requires cxLcnsivc storm waLer <br />maintenance. Ocean Blue holds Lhe <br />single source conlricl for 1.AX- <br />With over 3,700 Contecll filters <br />utilized throughout the Airport, <br />Contech Filter Media cleaning: I.AX <br />has I I Contecll filter vault', that are <br />inspected ollce a yeah, Vin'ying ill <br />size, these vaults are pressure <br />washed once a year or sooner <br />should in illicii discharne occur — <br />Ali(] finally, each of these 3,793 <br />Contech filters undergo a inedia <br />replacement every 3-5 years or <br />Sooner. <br />Prior to our established 2016 <br />contract, LAX Contech filter <br />maintenance was never done. Upon <br />first inspection we found significant <br />arnounLs of sedirnerA on LOP of Ole <br />filters, inlet & outlet ill each of the <br />systenis. Occan Blue their conducted <br />a large-scale media replacement <br />operation per the manufacturer's <br />recommendations. The waste <br />undergoes onalvtical testing and is <br />then hansportCd to an appropriate <br />LAX has the largest 213rr"".7ter <br />fillrabon system Ocrul Blue has <br />ever seen. <br />6',1gc 21 of 29 <br />transportation6/ls,5yrpppcl disposal <br />Iacilil-y (fSDI'). <br />