San Andreas Wastewater Treatment Plant kuti alandire kukweza kwakukulu |Nkhani Yodalirika Kwambiri ku Calaveras County

Mvula yosokera kapena mvula yamkuntho imatha msanga.Makamaka thambo loyera.Mtengo wa 64F.Mphepo NNE pa 5 mpaka 10 mph.

Mvula yosokera kapena mvula yamkuntho imatha msanga.Makamaka thambo loyera.Mtengo wa 64F.Mphepo NNE pa 5 mpaka 10 mph.

Malo a San Andreas Sanitary District Wastewater Treatment Plant alandila ndalama zothandizira kukonza malowa komanso digester yake yazaka 60.

Woyang'anira SASD Hugh Logan wayima kutsogolo kwa makina opangira zinyalala pamalo oyendetsera zinyalala m'boma.

Malo a San Andreas Sanitary District Wastewater Treatment Plant alandila ndalama zothandizira kukonza malowa komanso digester yake yazaka 60.

Woyang'anira SASD Hugh Logan wayima kutsogolo kwa makina opangira zinyalala pamalo oyendetsera zinyalala m'boma.

Ntchito yomanga motsatizanatsatizana za kukonzanso kwachitukuko ikuchitika ku San Andreas Sanitary District (SASD) Waste Water Treatment Plant ku San Andreas.

"Tili ndi malo akale opangira mankhwala, ndipo zida zambiri zili kumapeto kwa moyo wake wothandiza," atero a Hugh Logan, woyang'anira chigawo, pamalopo sabata yatha.

Pulojekitiyi ya ndalama zokwana madola 6.5 miliyoni ikuthandizidwa ndi thandizo lochokera ku State Revolving Fund ndi US Department of Agriculture (USDA).Bajeti imeneyo imaphatikizapo mtengo wokonzekera, kupanga, kugula, kuwunikira chilengedwe ndi zomangamanga.

"Kupeza ndalama za chithandizo kunali kofunika kwambiri kotero kuti chigawo chikhoza kukwanitsa ntchitoyi, ndikusungabe mitengo ya zonyansa," adatero Terry Strange, pulezidenti wa bungwe la SASD.Dongosolo latsopano lamitengo lidakhazikitsidwa mu 2016, ndipo chiwonjezeko cha 1.87% chidavomerezedwa pa Julayi 1, 2019, kuti agwirizane ndi kukwera kwa inflation, adatero Logan.

"Nzeru yochokera ku board of directors ndikuti timatsata mwachangu ndalama zothandizira komanso ngongole zachiwongola dzanja chochepa kuti tichepetse mitengo ya ngalande momwe tingathere," adatero Logan.

Chimodzi mwazofunikira kwambiri ndikusinthidwa kwa anaerobic digester wazaka 60, thanki yayikulu ya cylindrical yomwe imachotsa zinyalala zolimba, kapena biosolids.

Omangidwa koyambirira kwa zaka za m'ma 1950 kwa anthu ochepa okhalamo, makinawo sakhalanso akulu mokwanira kuti azitha kuchiza ndi kukonza zolimba zomwe zimapangidwa pamalowo, adatero Logan.Derali pakadali pano limapereka ntchito zamadzi onyansa kwa makasitomala opitilira 900 okhala ndi malonda.Pamwamba pa kukwera kwa chiwerengero cha anthu kuyambira 1952, kukweza kwa boma kuti athandize kuchotsa ammonia m'madzi mu 2009 anawonjezera zinyalala zambiri kuti digester isinthe.

"Sitingathe kupanga mankhwala okwanira ndi chithandizo kudzera mu digester, zomwe zikutanthauza kuti zimanunkha pang'ono ndipo sizimasamalidwa bwino momwe ziyenera kukhalira," adatero Logan.Chifukwa chimodzi chomwe tidapezera ndalama za thandizoli ndikuti tidawonetsa kuti si chakale, ndi chakale komanso sichikugwira ntchito.

Logan anayerekezera chimbudzicho ndi dongosolo la m’mimba la munthu kuti: “Chimakonda kukhala pa madigiri 98;imakonda kudyetsedwa nthawi zonse komanso kusakanizidwa bwino.Idzatulutsa mpweya, zolimba komanso zamadzimadzi.Mofanana ndi mimba ya munthu, ngati mudya kwambiri, chigayo chikhoza kukhumudwa.Digester yathu imakhumudwa chifukwa sitingathe kuisunga pa kutentha koyenera chifukwa tili ndi zida zakale kwambiri.Tiyenera kuzidyetsa kwambiri kuti zisakhale ndi nthawi yoti zigayidwe bwino, komanso sizisakanizidwa konse, kotero kuti chotulukapo sichinthu chabwino. ”

Ndi cholowa m'malo, aerobic digester, sipadzakhala mpweya wa methane, ndipo idzatha kuchiza zinyalala zolimba kwambiri mwachangu.Zomera zazikulu zimatha kubwezeretsa methane kuchokera ku digestion ndikuzigwiritsa ntchito popanga magetsi, koma SASD sipanga mpweya wokwanira kuti ugule jenereta, adatero Logan.

Aerobic digestion ndi njira yachilengedwe yomwe imachitika pamaso pa oxygen, adatero Logan.Zowulutsira magetsi zazikulu zimatulutsa mpweya kudzera mumadzi mumphika wa konkire kuti zithandizire kukhazikika zinyalala zolimba ndikuchepetsa zovuta (zonunkhira, makoswe), matenda komanso kuchuluka kwa zinyalala zomwe zimafunikira kutaya.

“Tekinoloje yatsopanoyi idzakhala yotetezeka;palibe kupanga gasi, chithandizo chosavuta, ”adatero Logan, akuyang'ana m'mphepete mwa dzenje lomwe lingatseke chimbudzi chatsopanocho."Pali mtengo wokwera wamagetsi pakuwongolera mpweya, koma ndi ntchito yochepa komanso yowopsa kwambiri, ndiye kuti ndikutsuka pamapeto pake."

Kuwongolera kwina kothandizidwa ndi thandizoli ndikukweza makina amagetsi apafakitale ndi kukhazikitsa njira yatsopano yoyang'anira ndikupeza deta kuti athe kuwongolera ndi chitetezo.

Kuonjezera apo, maiwe osungiramo madzi amatsukidwa kuti ateteze madzi a m'mayiwewo kuti asakokoloke komanso kuti azitha kusungirako zinthu zambiri pakagwa mvula yambiri.

Magawo osiyanasiyana opangira mankhwala pafakitale akatha, madzi amawathira papaipi yautali wa kilomita imodzi kupita ku North Fork ya Mtsinje wa Calaveras pamene madzi akuyenda mumtsinje kuti asungunuke, kapena amapopera pogwiritsa ntchito zowaza kuti agwiritse ntchito pamtunda.

WM Lyles Contractors ndi gulu la KASL Construction Management adasankhidwa kuti amalize ntchitoyi, ndipo ntchito yomanga ikuyembekezeka kutha pofika kumapeto kwa 2020.

“Cholinga chathu ndikumaliza ntchito imeneyi pa nthawi yake, pa bajeti, komanso ndi chitetezo chokwanira m’bomalo,” adatero Jack Scroggs, woyang’anira ntchito za zomangamanga m’bomalo.

Logan adati SASD ikufunanso ndalama zokwana $ 750,000 kuti imange tchanelo chatsopano ndikusintha chinsalu pamutu, njira yoyamba yosefera yomwe madzi oyipa omwe amalowa m'malo amadutsamo.

Ikufunanso ndalama zosinthira fyulutayo, nsanja yazaka 50 yamalata yomwe imaphwanya zinyalala ndi matope a bakiteriya.

"Poika ndalama pazomangamanga za malowa, timatha kuchita zomwe anthu ammudzi akufuna," adatero Logan.“Ngati anthu ammudzi kapena boma lili ndi mapulani omwe akufuna kuchita, ndi ntchito yathu pamalo opangira madzi otayira kuti zinthu zizikhala zokonzeka kulandira.Ntchitoyi imathandizadi pankhaniyi.Ndi sitepe yoyambira kuti dera lililonse likhazikitse maziko opangira madzi aukhondo ndi madzi oipa.”

Davis adamaliza maphunziro awo ku UC Santa Cruz ndi digiri ya Environmental Studies.Amafotokoza za chilengedwe, ulimi, moto ndi maboma ang'onoang'ono.Davis amathera nthawi yake yaulere kusewera gitala ndikuyenda ndi galu wake, Penny.

Zosintha pamitu yaposachedwa ya Calaveras Enterprise ndi Sierra Lodestar komanso zosintha zatsopano


Nthawi yotumiza: Jun-05-2019
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