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i <br /> � <br /> � 'I hc Vacuum Scrvicc Industry is a wcll-cstabfishcd scctor of thc scrvicc indus�ry thai cicans undcrground <br /> tauks, scwcrs anJ catch basins. Cosis to cican a Stonnccptor will vaiy bascd on Ihc sizc of unil and <br /> transportation:listanca5. <br /> ( 77ic dcptl� of oil in Ihc intcrccptor can bc detcmiincd by inscrting a dipstick tubc in thc I50 mm (G") oil <br /> inspcc�io�Jdcannut pipc("disc"design),or in thc?I4 nun(;�,")cenual acccss way("spool"dcsign),or in <br /> ihe 100 mm(4")cicanout pipc <br /> I ("in1cC'dcsign). <br /> Similarly, the depth o(sediment can be measured fioin the surface without entry intn the Stomiceptor via <br /> Ia dipstick tubc cquippcd with a bail vilve lSludge Judgc). Tliis wbc would be inscncd in the cenlral <br /> opening ("spool" decign) or in Ihe 610 nun (24") opening ("disc"design), or in Ihe 100 nun(4") cicanoul <br /> pipc ("inlcl" dcsign). Maintcnancc shni:Id bc perfonned oncc thc scdimcnt dcpth cxcccds the guidcline <br /> Ivalucs provided in Tablc 3. <br /> Por thc "spool" dcsign Stonnccptor mainlcnancc is perfomicd tlnougli thc largc ccnlral 914 mm (3G') <br /> Jiamctcr opcnin� for both the oil and the sedimcnl. In Ihe "disc"desi�i, oil is removcd ihrou�li tlu 150 <br /> Imm (G') oil inspcclioi�/cicauoul pipc and scditncnt is rciuovcd Ihrough thc G10 mnt (24") diamctcr outict <br /> riscr pipe. Ahcmativdy, oil could Uc rcntovcd fiom Ihe CIO mm (24") openir,g if u�aler is removed from <br /> thc lowcr chambcr io lowcr ihc oil Icvd to thc Icvcl of thc drop pipcs. Por thr,"inlcC'design, maintcnancc <br /> ' is pcifrnmed Ihrough U�c 305mm (12") inlct c4op pipc for thc uJimcnt, and oil can bc rcnwvcd Gom ihc <br /> � 100 mm(4")oil/inspccUon cicanout pipc. <br /> Wc rccommcnd lhc following procedurc lo cican out Ihc Stormccptur. <br /> 1. Chcck fur oil(using a dipslick lubc) <br /> 2. Rcmovc any oil scparatcly using a small poiiablc pump <br /> 3. Decanl the water Gom the unil lo Ihe sauilary se�vcr u;ing a portable pump �irior approval is <br /> rcquircd O�on. Ihc se�rcr:mlhorilc/municipnli[y) <br /> 4. Rcmovc thc tiludgc fiom Ihc boUom of ihc unil using a vacuum Iruck <br /> 5. Rc•fill Ilic Slomtccplor wilh��-atcr�vhcrc requircd by Ilic local jwisdiclion <br /> Hnw ORen Is Mainlenancc Itequired? <br /> Gcnc�hlly,annual tnain�cnancc is recommcndcd but thc requireJ maintcnancc frcqucncy will vary with Ihc <br /> amuunt of pollulion on your sila (nuntber of hyJi�xarbon spills, amowu of sedimem, etc.). I[ is <br /> rccommcndcd diat thc Gcqucncp of maimcnancc be incrcascd or reduccd bascd on local conditinns. If lhc <br /> scdimcnl load is high,tuaiNcnancc tnap�bc rcyuircd scmi•annuall}'. Convcrscly oncc tlic site has stabilizcd, <br /> maintw;ance may Ue required Iess frequcndy. Maintenance should Uc perfomic� imnudiately a(icr an oil <br /> spill or once the sediment dcpth in Slomicepror reaches the �alue specificd m 7'able 3 based on ihe unil <br /> sizc. <br /> Li lhc "Jisc" desigu anA "inlet" design, any po�enual obsuuctions a� thc inlct can hc oUscrved Grnn Ihc <br /> surfacc. 7'hc "disc" II1SCil I185 I)CCO 1IC51Si1C(I 85 a plalfomi to facilitatc mainlcn�ncc of thc Stomiccplor <br /> and thc stotm draiu system. <br /> ---- -- — --------- <br /> .Srnrrnceptrn• — — -- — <br />