फोटो फिचर / टी.लोकमान्य
 
अजित दादा पवार यांच्या ‘धार’दार वक्तव्याने गाजलेल्या उजनी धरणात आता नीरेचे पाणी पोहचणार आहे.विलासराव देशमुख राज्याचे मुख्यमंत्री असताना सुरु करण्यात आलेला हा प्रकल्प फडणवीस सरकारच्या काळात रखडला होता.मात्र राज्यात पुन्हा महाविकास आघाडी सरकार सत्तेवर आल्यानंतर पुन्हा या कामाला गती आली.पाच वर्ष रखडलेले हे काम पुन्हा सुरु झाल्याने कृष्णा खोऱ्यातील २१ टीएमसीपैकी सात टीएमसी पाणी मराठवाड्याला मिळण्याचा मार्ग आता मोकळा झाला आहे.बोगदा खोदण्याचे काम अंतिम टप्प्यात असून नीरा नदीतून उजनी धरणात जमिनीखालून पाणी घेऊन जाण्यासाठी सुरु असलेल्या २४ किलोमीटर लांबीच्या बोगद्याचे खोदकाम आता जवळपास  ८० टक्के पूर्ण झाले आहे.जमिनीखाली सरासरी ४५ मीटर खोल हे काम केले जात आहे. याची किमान खोली १३० फूट तर कमाल खोली २९० फूट इतकी आहे.साधारणपणे २४ मजली इमारतीच्या उंची इतक्या खोलवर हे काम सुरू आहे.बोगद्यात उतरण्यासाठी आणि आतील खोदकाम झालेले साहित्यवर काढण्यासाठी २४ किलोमीटरवर आठ ठिकाणी १५ बाय ८ मीटर आकाराच्या विहिरी खोदण्यात आल्या आहेत.या विहिरीच्या माध्यमातून क्रेनच्या सहाय्याने बोगद्यात जेसीबी, पोकलेन, ट्रक, जीप खाली सोडण्यात आल्या आहेत. एका वेळी बोगद्यात दोन ट्रक सहज ये जा करू शकतात.हा बोगदा म्हणजे अभियांत्रिकीचा अद्भुत आविष्कार आहे. दोनशे फूट खोलीवर ऑक्सिजनचे प्रमाण कमी पडू नये यासाठी वरून दोन मोठ्या ब्लॉअरद्वारे आतमध्ये ऑक्सिजन सोडले जाते.सहा तास ड्रीलिंग, त्यानंतर सहा तास त्यात जिलेटीन भरण्याचे काम त्यानंतर स्फोट आणि सर्वात शेवटी स्फोटामुळे मोकळे झालेले साहित्य वर काढणे असा सध्या इथला नित्यक्रम आहे.दरमहा १२० मीटर काम या पद्धतीने पूर्ण केले जात असून सुमारे ३००० हजार कामगार त्यासाठी रात्रंदिवस काम करीत आहेत.
13 thought on “नीरेचे सात टीएमसी पाणी उजनीला येणार बोगद्याचे काम अंतिम टप्प्यात”
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