Kartal’da do\u011falgaz \u015febekesinde \u00f6nceki g\u00fcn meydana gelen yang\u0131n \u0130stanbullular\u0131 korkuttu.<\/p>\n\n\n\n
Servis kutusuyla oynayan \u00e7ocuklar\u0131n ate\u015f yakmas\u0131yla meydana geldi\u011fi belirtilen kaza, do\u011falgaz\u0131n g\u00fcvenilirli\u011fi konusunu bir kez daha g\u00fcnde me getirdi.<\/p>\n\n\n\n
\u0130stanbul B\u00fcy\u00fck\u015fehir Belediye Ba\u015fkan\u0131 Nurettin S\u00f6zen ise Kartal’da \u00e7\u0131kan yang\u0131n\u0131n basit bir kaza oldu\u011fu fazla b\u00fcy\u00fct\u00fclmemesi gerekti\u011fi g\u00f6r\u00fc\u015f\u00fcnde. S\u00f6zen,\u201cYap\u0131lan t\u00fcm diki\u015flermi\u015f r\u00f6ntgenden ge\u00e7mi\u015ftir. Normal bas\u0131nc\u0131n bir bu\u00e7uk kat\u0131 bas\u0131n\u00e7 ta tutulmu\u015ftur. SCADA da bir ba\u015fka a\u015famad\u0131r. Belli bir s\u00fcre sonra SCADA’ya da ge\u00e7ilecektir” dedi.<\/p>\n\n\n\n
Bu arada do\u011falgaz\u0131n g\u00fcvenli\u011fi konusunda en \u00f6nemli sistem olarak kabul edilen SCADA’n\u0131n hen\u00fcz \u0130stanbul’a getirilememesinin proje i\u00e7in b\u00fcy\u00fck kay\u0131p oldu\u011fu belirtildi. \u0130sminin a\u00e7\u0131klanmas\u0131n\u0131 istemeyen bir yetkili \u0130GDA\u015e’\u0131n fazladan getirdi\u011fi servis hatlar\u0131 i\u00e7in gereksiz yere para harcayarak krediyi t\u00fcketti\u011fini, SCADA’y\u0131 getirecek paras\u0131 kalmad\u0131\u011f\u0131n\u0131 belirtti. Sistemin proje kapsam\u0131nda oldu\u011funu ve en k\u0131sa zamanda monte edilmemesi halinde projenin g\u00fcvenli\u011finin b\u00fcy\u00fck \u00f6l\u00e7\u00fcde tehlikeye d\u00fc\u015fece\u011fini belirten yetkili \u015f\u00f6yle devam etti:<\/p>\n\n\n\n
“SCADA’n\u0131n gelmemesi proje i\u00e7in b\u00fcy\u00fck kay\u0131p. IGDA\u015e b\u00fct\u00fcn paray\u0131 harcad\u0131\u011f\u0131 i\u00e7in bug\u00fcne kadar hi\u00e7bir giri\u015fim yap\u0131lamad\u0131. Philips firmasi teklif verdi ama kabul edilmedi. Neden kabul edilmedi\u011fi iyi ara\u015ft\u0131r\u0131lmal\u0131d\u0131r. Projenin m\u00fcteahhidi SAE Frans\u0131z mallar\u0131n\u0131n d\u0131\u015f\u0131nda mal kullanmas\u0131n\u0131 istemedi\u011fi i\u00e7in sistem gelmiyor. Yakla\u015f\u0131k 25 milyar liral\u0131k sistem 3 ay i\u00e7inde monte edilebilir” dedi.<\/p>\n\n\n\n
Konuyla ilgili olarak g\u00f6r\u00fc\u015ft\u00fc\u011f\u00fcm\u00fcz Frans\u0131z SAE firmas\u0131n\u0131n bir \u00fcst d\u00fczey yetkilisi, SCADA sisteminin getirilmesi i\u00e7in \u0130GDA\u015e’\u0131n kendilerine herhangi bir talepte bulunmad\u0131\u011f\u0131n\u0131 s\u00f6yledi. Talep olmas\u0131 halinde sistemin hemen T\u00fcrkiye’ye getirilebilece\u011fini belirten ayn\u0131 yetkili, \u0130GDA\u015e’tan konuyla ilgili bir hareket beklediklerini ifade etti.<\/p>\n\n\n\n
\u0130stanbul B\u00fcy\u00fck\u015fehir Belediye Ba\u015fkan\u0131 Nurettin S\u00f6zen ise g\u00fcvenlik sisteminin a\u015fama a\u015fama ger\u00e7ekle\u015ftirildi\u011fini, SCADA sisteminin en son a\u015famay\u0131 olu\u015fturdu\u011funu s\u00f6yledi. S\u00f6zen, “Yap\u0131lan t\u00fcm diki\u015fler r\u00f6ntgenden ge\u00e7mi\u015ftir. Normal bas\u0131nc\u0131n bir bu\u00e7uk kau bas\u0131n\u00e7ta tutulmu\u015ftur. SCADA da bir ba\u015fka a\u015famad\u0131r. Belli bir s\u00fcre sonra SCADA’ya da ge\u00e7ilecektir” dedi.<\/p>\n\n\n\n
\u0130stanbul’un do\u011falgaza merhaba dedi\u011fi 1992 y\u0131l\u0131n\u0131n ocak ay\u0131nda \u0130stanbullular\u0131n en \u00e7ok merak etti\u011fi konu do\u011falgaz\u0131n g\u00fcvenilirli\u011fiydi. Yetkililerin rahatlat\u0131c\u0131 a\u00e7\u0131klamalar\u0131na kar\u015f\u0131n do\u011falgaz\u0131 kullanacak \u0130stanbullular bir t\u00fcrl\u00fc tatmin olam\u0131yordu. G\u00f6r\u00fc\u015ft\u00fc\u011f\u00fcm\u00fcz pek \u00e7ok ki\u015fi “Acaba do\u011falgaz emniyet a\u00e7\u0131s\u0131ndan sak\u0131nca ta\u015f\u0131yor mu”, “Bu gaz patlad\u0131\u011f\u0131nda \u0130stanbul’u havaya u\u00e7urur mu” sorular\u0131n\u0131n yan\u0131t\u0131n\u0131 an\u0131yordu.<\/p>\n\n\n\n
Bu sorulan y\u00f6neltti\u011fimiz \u0130stanbul B\u00fcy\u00fck\u015fehir Belediye Ba\u015fkan\u0131 Nurettin S\u00f6zen, “Do\u011falgaz \u015febekesinin in\u015faat\u0131 her t\u00fcrl\u00fc emniyet \u00f6nlemlerini \u00e7a\u011fda\u015f y\u00f6ntemlerle alarak devam etmektedir. \u0130n\u015faat s\u0131ras\u0131nda en ufak bir riske yer b\u0131rak\u0131lmamaktad\u0131r” diyordu.<\/p>\n\n\n\n
Ancak \u0130GDA\u015e genel m\u00fcd\u00fcr teknik dan\u0131\u015fmanlar\u0131n\u0131n yakla\u015f\u0131k 2 y\u0131l \u00f6nce haz\u0131rlad\u0131klar\u0131 ve \u00fczerine “\u00e7ok gizli” ibaresi konulan rapor projenin g\u00fcvensizli\u011fini belirtiyordu. Raporda projenin eksik ve g\u00fcvenlikten yoksun oldu\u011fu belirtilmi\u015fti. Haz\u0131rlanan raporlarda projenin gerekli denetimlerden uzak ve ba\u015f\u0131bo\u015f olarak uyguland\u0131\u011f\u0131 da belirtiliyordu. Bu raporlan haz\u0131rlayan ve S\u00f6zen’e sunan \u0130GDA\u015e Teknik Dan\u0131\u015fman\u0131 \u0130brahim Uran bir s\u00fcre sonra g\u00f6revden al\u0131nd\u0131. Kamuoyunda uzun s\u00fcre tart\u0131\u015f\u0131lan raporda \u015f\u00f6yle deniliyordu:<\/p>\n\n\n\n
“Sofregaz’\u0131n raporunda da belirtildi\u011fi gibi \u015fantiyelerde \u00f6zel ge\u00e7i\u015fle ilgili ciddi sorunlar ortaya \u00e7\u0131kt\u0131\u011f\u0131, ba\u011flant\u0131 elemanlar\u0131n\u0131n eksik oldu\u011fu belirtilmektedir. \u015eantiye m\u00fchendislerinin 6.8.1990 tarihli raporunda da izolasyon maddesi fitinglerin standart olmad\u0131klar\u0131 belgelerle savunulmaktad\u0131r. \u015eebekenin g\u00fcvenli\u011fini ilgilendiren bu konularda herhangi bir \u00f6nlem al\u0131nmam\u0131\u015ft\u0131r. Mevcut \u015febekede d\u00f6\u015fenen \u00e7elik borular\u0131n katodik korunmas\u0131 yap\u0131lmad\u0131\u011f\u0131ndan borular\u0131n \u00f6mr\u00fcn\u00fcn k\u0131salmas\u0131 ve korozyonla ba\u015f ba\u015fa b\u0131rak\u0131ld\u0131\u011f\u0131 bir vak\u0131ad\u0131r. Mevcut \u015febekenin uzun \u00f6m\u00fcrl\u00fcl\u00fc\u011f\u00fcn\u00fc sa\u011flamam\u0131z i\u00e7in derhal katodik koruman\u0131n testlerden \u00f6nce yap\u0131lmas\u0131 talimat\u0131 AlarkoSAE konsorsiyumuna verilmelidir.”<\/p>\n\n\n\n
\u0130stanbul B\u00fcy\u00fck\u015fehir Belediye Ba\u015fkan\u0131 Nurettin S\u00f6zen, d\u00fcn Cumhuriyet’e yapt\u0131\u011f\u0131 a\u00e7\u0131klamada, olay\u0131n basit bir kaza oldu\u011funu s\u00f6yledi. \u015eebekede herhangi bir s\u0131z\u0131nt\u0131n\u0131n olmad\u0131\u011f\u0131n\u0131 belirten S\u00f6zen, “Servis kutular\u0131n\u0131n yan\u0131nda \u00e7ocuklar ate\u015f yak\u0131yor. Bu ate\u015f servis kutular\u0131n\u0131 eritiyor. Duruma hemen m\u00fcdahale edilip yangin s\u00f6nd\u00fcr\u00fcl\u00fcyor. G\u00fcnl\u00fck ya\u015fam\u0131m\u0131zda buna benzer kazalar s\u0131k s\u0131k olur. B\u00fcy\u00fct\u00fclecek bir konu de\u011fil. \u00c7ok basit bir olay” dedi.<\/p>\n\n\n\n
T\u00fcrk Standartlar\u0131 Enstit\u00fcs\u00fc de (TSE) projenin kontrol\u00fc konusunda \u0130stanbul B\u00fcy\u00fck\u015fehir Belediyesi’ne yapt\u0131klar\u0131 ba\u015fvuruya cevap al\u0131namamas\u0131 nedeniyle \u0130GDA\u015e ve belediyeyi su\u00e7lam\u0131\u015ft\u0131. 3 Aral\u0131k 1990’da TSE, den yap\u0131lan a\u00e7\u0131klamada, “Kontrol olana\u011f\u0131 sa\u011flanm\u0131\u015f olsayd\u0131 bug\u00fcnk\u00fc korkular meydana gelmez, israflar olmazd\u0131” denilmi\u015fti. \u0130stanbul’a d\u00f6\u015fenecek do\u011falgaz\u0131n ba\u011f\u0131ms\u0131z bir kalite kontrol kurulu\u015fu taraf\u0131ndan kontrol edilme zorunlulu\u011funun oldu\u011fu belirtilen a\u00e7\u0131klamada \u015f\u00f6yle deniliyor:<\/p>\n\n\n\n
“TSE, \u0130stanbul B\u00fcy\u00fck\u015fehir Belediyesi ve \u0130GDA\u015e Genel M\u00fcd\u00fcrl\u00fc\u011f\u00fc’ne konuyla ilgili m\u00fcracaat\u0131n\u0131 yapm\u0131\u015ft\u0131r. TSE, genel m\u00fcd\u00fcrl\u00fckle yapt\u0131\u011f\u0131 g\u00f6r\u00fc\u015fmelerde 100 kilometreden sonra 50 kilometrelik hatt\u0131n kalite kontrol\u00fcn\u00fc \u00fccretsiz yapabilece\u011fini bildirmi\u015ftir. Bu yakla\u015f\u0131mlar\u0131n hi\u00e7birine cevap al\u0131namam\u0131\u015ft\u0131r. TSE gibi kalite kontrol te\u015fkilat\u0131na bu hizmeti yapma imkan\u0131 verilmi\u015f olsayd\u0131 bug\u00fcnk\u00fc korkulara meydan verilmemi\u015f ve israf \u00f6nlenmi\u015f olacakt\u0131.”<\/p>\n\n\n\n
S\u00f6zen ise TSE’nin bu a\u00e7\u0131klamas\u0131na “TSE bu i\u015fi yapabilecek kapasitede de\u011fildir” yan\u0131t\u0131n\u0131 vermi\u015fti.<\/p>\n\n\n\n
Do\u011falgaz ile ilgili her t\u00fcrl\u00fc g\u00fcvenlik \u015fikayetlerine kar\u015f\u0131n \u0130stanbul B\u00fcy\u00fck\u015fehir Belediyesi ve \u0130GDA\u015e \u015fu a\u00e7\u0131klamalar\u0131 yap\u0131yordu:<\/p>\n\n\n\n
\u00c7elik \u015febekelerde yap\u0131lan t\u00fcm kaynak diki\u015fleri r\u00f6ntgen kontrol\u00fcnden ge\u00e7irilmektedir. Bu konuda d\u00fcnya standard\u0131, kaynaklar\u0131n geli\u015fig\u00fczel y\u00fczde 35’inin kontrol edilmesidir. 5 May\u0131s 1992 Sayfa 3<\/p>\n","protected":false},"excerpt":{"rendered":" \u0130stanbul’da a\u015fama a\u015fama kullan\u0131ma ge\u00e7en do\u011falgaz i\u00e7in en \u00f6nemli g\u00fcvenlik arac\u0131 kabul edilen SCADA’n\u0131n kurulmam\u0131\u015f olmas\u0131 ele\u015ftiriliyor. Bir yetkili \u0130GDA\u015e’\u0131n fazladan servis hatlar\u0131 d\u00f6\u015feyerek krediyi t\u00fcketti\u011fini ve paran\u0131n kalmad\u0131\u011f\u0131n\u0131 s\u00f6yledi. T\u00fcrk Standartlar\u0131 Enstit\u00fcs\u00fc de yapt\u0131ktan ba\u015fvurulara yan\u0131t verilmedi\u011fini belirterek \u0130GDA\u015e ve belediyeyi su\u00e7lad\u0131. Kartal’da do\u011falgaz \u015febekesinde \u00f6nceki g\u00fcn meydana gelen yang\u0131n \u0130stanbullular\u0131 korkuttu. Servis kutusuyla oynayan \u00e7ocuklar\u0131n ate\u015f yakmas\u0131yla meydana geldi\u011fi belirtilen kaza, do\u011falgaz\u0131n g\u00fcvenilirli\u011fi konusunu bir kez daha g\u00fcnde me getirdi. \u0130stanbul B\u00fcy\u00fck\u015fehir Belediye Ba\u015fkan\u0131 Nurettin S\u00f6zen ise Kartal’da \u00e7\u0131kan yang\u0131n\u0131n basit bir kaza oldu\u011fu fazla b\u00fcy\u00fct\u00fclmemesi gerekti\u011fi g\u00f6r\u00fc\u015f\u00fcnde. S\u00f6zen,\u201cYap\u0131lan t\u00fcm diki\u015flermi\u015f r\u00f6ntgenden ge\u00e7mi\u015ftir. Normal bas\u0131nc\u0131n bir bu\u00e7uk kat\u0131<\/p>\n","protected":false},"author":1,"featured_media":65103,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1319],"tags":[1323],"class_list":["post-65679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-remzi-gokdag-cumhuriyet-haber-arsivi-1992","tag-1323"],"_links":{"self":[{"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/posts\/65679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/comments?post=65679"}],"version-history":[{"count":0,"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/posts\/65679\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/media\/65103"}],"wp:attachment":[{"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/media?parent=65679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/categories?post=65679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.remgo.com\/11\/wp-json\/wp\/v2\/tags?post=65679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Kaynaklar\u0131 kontrolden ge\u00e7mi\u015f \u015febeke b\u00f6l\u00fcmleri, nominal i\u015fletme bas\u0131nc\u0131n\u0131n bir bu\u00e7uk kat\u0131 olan 30 atmosferde bas\u0131n\u00e7l\u0131 su ile tespit edilmektedir.
Sisteme gaz verildikten sonra herhangi bir noktada olu\u015fabilecek en ufak ka\u00e7ak arama ara\u00e7lar\u0131yla kontrol edilmek durumundad\u0131r.
SCADA ad\u0131 verilen, tele g\u00f6zetim sistemi sayesinde, \u015febeke kritik noktalardan 24 saat bilgisayar denetimi alt\u0131nda tutulacakt\u0131r ve en ufak bir olumsuzlu\u011fa an\u0131nda m\u00fcdahale etme imk\u00e2n\u0131 olacakt\u0131r.
Polietilen borular d\u00f6\u015fendikten sonra pnomatik k\u00f6p\u00fck testine tabi tutulmaktad\u0131r.
Polietilen \u015febekesinin tamamlanan b\u00f6l\u00fcmleri i\u015fletme bas\u0131nc\u0131n\u0131n bir bu\u00e7uk kat\u0131 olan 6 atmosferlik hava bas\u0131n\u00e7 testine tabi tutulmaktad\u0131r.<\/p>\n\n\n\n
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