Environmental and Social Impact Assessment Volume 2 Project Definition
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GEORGIA ELECTRICITY TRANSMISSION NETWORK DEVELOPMENT PROJECTS Environmental and Social Impact Assessment Volume 2 Project Definition Prepared for: GSE SLR Ref:901.12.1 Version No: Rev#2 July 2019 Georgian State Electrosystem (GSE) Environmental and Social Impact Assessment SLR Ref No:901.12.1 Volume 2 Project Definition July 2019 BASIS OF REPORT This document has been prepared by SLR Consulting Limited with reasonable skill, care and diligence, and taking account of the manpower, timescales and resources devoted to it by agreement with GSE (the Client) as part or all of the services it has been appointed by the Client to carry out. It is subject to the terms and conditions of that appointment. SLR shall not be liable for the use of or reliance on any information, advice, recommendations and opinions in this document for any purpose by any person other than the Client. 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Georgian State Electrosystem (GSE) Environmental and Social Impact Assessment SLR Ref No:901.12.1 Volume 2 Project Definition July 2019 CONTENTS ACRONYMS PREAMBLE INTRODUCTION ............................................................................................................... 1 1.1 Background to the Project ........................................................................................................ 1 1.2 Structure of this Volume ........................................................................................................... 3 1.3 ESIA Regulatory Framework ...................................................................................................... 3 1.4 Approach to ESIA .................................................................................................................... 16 1.5 Consultation and Engagement ................................................................................................ 24 PROJECT NEED AND ALTERNATIVES ............................................................................... 26 2.1 Introduction ............................................................................................................................ 26 2.2 Project Need ........................................................................................................................... 26 2.3 Alternatives ............................................................................................................................. 32 PROJECT DESCRIPTION .................................................................................................. 61 3.1 Introduction ............................................................................................................................ 61 3.2 Project Design Status .............................................................................................................. 61 3.3 Project Summary ..................................................................................................................... 62 3.4 Description of Project elements.............................................................................................. 62 3.5 Construction of the Project ..................................................................................................... 71 3.6 Operation and Maintenance of the Project ............................................................................ 80 3.7 Decommissioning of the Project ............................................................................................. 81 PROJECT COMPONENT DESCRIPTIONS ........................................................................... 83 4.1 Introduction ............................................................................................................................ 83 4.2 Component A - Tskaltubo to Akhaltsikhe and on to the Turkish border at Vale ..................... 83 4.3 Component B - Ozurgeti to Zoti HPP and connection from Ozurgeti to the Paliastomi line ... 88 4.4 Component C1 - Nenskra to Mestia ........................................................................................ 91 4.5 Component C2 - Lajanuri Connections to Kheledula HPP, Oni HPP and Tskaltubo ................. 94 4.6 Component D - Reinforcement of the transmission infrastructure in Kakheti ...................... 100 REFERENCES ................................................................................................................ 112 . Georgian State Electrosystem (GSE) Environmental and Social Impact Assessment SLR Ref No:901.12.1 Volume 2 Project Definition July 2019 DOCUMENT REFERENCES TABLES Table 1.1 Project Components ............................................................................................................. 1 Table 1.2 EBRD Performance Requirements ........................................................................................ 8 Table 1.3 Requirements of the EU directive on the Assessment of the Effects of Certain Public and Private Projects on the Environment and where these are addressed in the ESIA Report ........ 11 Table 1.4 Associated Facilities Identified for the Cumulative Assessment ........................................ 20 Table 1.5 Projects Identified as Potentially Having a Cumulative Impact .......................................... 21 Table 2.1 Multi-Criteria Analysis Framework ..................................................................................... 33 Table 2.2 Comparative Assessment of Alternative Routes for the Sairme Line ................................. 36 Table 2.3 COMPARATIVE ASSESSMENT OF ALTERNATIVE ROUTES FOR THE Tao LINE ...................... 39 Table 2.4 Comparative Assessment of Alternative Routes for the Guria Line ................................... 42 Table 2.5 COMPARATIVE ASSESSMENT OF ALTERNATIVE ROUTES FOR THE mestia LINE ................. 47 Table 2.6 Comparative Assessment of Alternative Routes for the Kheledula HPP Line .................... 50 Table 2.7 Comparative Assessment of Alternative Routes for the Oni HPP Line ............................... 52 Table 2.8 Comparative Assessment of Alternative Routes for the Lechkhumi Line .......................... 54 Table 2.9 Comparative Assessment of Alternative Routes for the Akhmeta Line ............................. 58 Table 3.1 Project Elements by Project Component ............................................................................ 62 Table 3.2 Tower Types and Dimensions ............................................................................................. 64 Table 3.3 Typical and Maximum Spans Between Towers .................................................................. 66 Table 3.4 Rights of Way ...................................................................................................................... 68 Table 3.5 Clearance Requirements..................................................................................................... 69 Table 3.6 Estimated Number of Workers for Transmission Line Construction. ................................. 78 Table 3.7 Project Component Programme ......................................................................................... 79 Table 4.1 Project Elements in Component A ...................................................................................... 83 Table 4.2 Project Elements in Component B ...................................................................................... 88 Table 4.3 Project Elements in Component C1 .................................................................................... 91 Table 4.4 Project Elements in Component C2 .................................................................................... 94 Table 4.5 Project Elements in Component D ................................................................................... 100 . Georgian State Electrosystem (GSE) Environmental and Social Impact Assessment SLR Ref No:901.12.1 Volume 2 Project Definition July 2019 FIGURES Figure 1.1 Project Components of the Georgia Electricity Transmission Development Project Figure 2.1 Framework Methodology for Review of Project Alternatives Figure 2.2 Alternative routes considered for the Sairme line Figure 2.3 Alternative routes considered for the Tao line Figure 2.4 Alternative locations considered for new plant within Akhaltsikhe Substation Figure 2.5 Alternative routes considered for the Guria line Figure 2.6 Alternative locations for the Nenskra Substation Figure 2.7 Alternative routes considered for the Mestia line Figure 2.8 Alternative routes