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<br />Water Supply Projects <br /> <br />. With others development 01 alternatives and recommenda- <br />tions for Improving the Detroll MK:htgan. water system The <br />system currently contains frve treatment plants and serves a <br />DOPulalion of aboul 4 000,000 people <br /> <br />. For the City 01 Thornton Colorado englneenng studlE!S related <br />to planning arMj perm~ aWlCallOns for a dam and waler supply <br />reservoIr on larryall Creek. In Park. County <br /> <br />. InspecllOn 01 lt1e Catskill Aqueduct was added to an earlier <br />aSSlgnment to Inspect 14 dams and olt1er laClhtP8S In the New <br />York. City water suPply system <br /> <br />Industrial and Municipal Assignments <br /> <br />. For lhe third year Harm IS carrying out baseline mOnllonng <br />servICeS on the Rock.y River In Three RIVers MIChigan, for the <br />Hydra-matlC DIVl$lOn of General Motors Corporation New data <br />collected on water and sediment quality and macrOlnvenebrate <br />and Ilsh DOPulallons wrll be compared With 1979-80 data to <br />denllfy any changes !hat mtght have tak.en place <br /> <br />. As part of the Small Operators ASSIstance Program 01 the <br />OHice at Surface Mln!f1g Harm IS determlnmg the h~rologlC <br />consequences 01 oendlng sur1ace mining of coal and sub- <br />sequent reclamation In OavteS County Indiana <br /> <br />. An aSSlQnment to If1VeS!iQate and report on waste handling <br />systems was undenaken In August for General Mills Company <br /> <br />. Two small hydro $ltes In WaShington were studied for Weyer- <br />haeuser Company <br /> <br />. Recent servICes lor Beker Industries In IdahO Included subSur- <br />face e~plorallQn tor a new tailings pond <br /> <br />. Two 8SS1Qnments have been completed lor Mobil Oil Corpora- <br />tion 1) an electncallnterconnectlon study at the Joliet, illinOIS <br />rellnery and 2) water supply planning studies lor Ihe Mining <br />and Coal DIVl$lon In Wyoming and Montana <br /> <br />. A pilot plant testing program for the treatment of petroleum <br />wastes usmg adlJanced wastewater treatment !echnology IS <br />underway for a U 5 orl corporation <br /> <br />. For the Village ot Bamngton illinOIS telemelenng and InSlru- <br />mentation to contrOl a t2 mgd sewage treatment plant were <br />studied to delermlne the tea~btllry ot redUCing staf1lng reQUire- <br />menfs trom lhe present 24.hour schedule to one or two shilts <br /> <br />The Hayrjen-BiUf' River transmlSSlOflkne WIN cross rugged terram nonh <br />Of DliJOn, CQIoraao (Photo b~ Harold M Co" Harza) <br /> <br />I -r--~.",. <br /> <br />,.. <br />q <br /> <br />,'III .. , <br />... ~ <br />,....."" <br /> <br />~ <br /> <br /> <br /> <br />Ins~(lOflof 17 miles 01 Cul-and-covercondull m the 70-,ear-ok1 <br />CaIsi<1I1 Aqueduct In New 'rbrl< (Photo by John McDonnell, HarziJ) <br /> <br /> <br />InS{:)I?Cf/(){I 0/ me gare vaNe In a vump stallOn wet well dunng a <br />srUdy 01 al/f'mat."Ies fOllmproVlng the DetfQIt water system Harza 5 <br />E E Grumnget' Head ot the Wastewater Srructures SectIOn IS second <br />from nghl ana I M Schuravtz Plant Suuenntendent Waferv.urks Parll <br />IS second from /eft <br /> <br />. To eliminate oosement flooding In the Village of Skok~ illinOIS <br />alternatives were develoPed around the concept of controlling <br />the rate al whICh runof1 enters the combtned sewer system <br /> <br />. F.eld aClllJltles Including the use 01 smoke testing, dye water <br />tloodlng and TV InspectlQns were Inl!lated to complete a sewer <br />sYSlem evaluation tor the Village 01 Glenvlew illinOIS <br /> <br />Highways <br /> <br />. AssIgnments With Vollmer Assocl(ues 01 Ne... York for me IlIlnQlS <br />Department of TranSPOrtation Include 11 preparatiOn at lhe <br />drainage SOtIS reports and bo~ culvert deSIgn lor a secllOn of <br />S1~-lane htghway and InterChange lor the 1-255 by-pass around <br />East 51 LouIS ana 2) recommendations for visual Improve- <br />men! 01 9 2 miles ot 1-290 In DuPage and Cook Counties <br /> <br />. For me IIlinocs 5tate 1011 HiQhway AuthOnry InvesngallOns plans <br />and COSt estimates for rehabllitatlQn and mOdification ot hve <br />brlCf-ges on the Nor:t1\\est ToIl,"'av In Coo~ Counry <br /> <br />15 <br />