(Sip2) Proposed Capacity Upgrades to the N2 & N3
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SOUTH AFRICAN NATIONAL ROADS AGENCY SOC LIMITED (SANRAL) STRATEGIC INFRASTRUCTURE PROJECT (SIP2) PROPOSED CAPACITY UPGRADES TO THE N2 & N3 BASIC ASSESSMENT 2 PROPOSED CAPACITY UPGRADES TO THE N3 FROM PARADISE VALLEY (N3 SECTION 1 KM 8.5) TO KEY RIDGE (N3 SECTION 2 KM 2.8), INCLUDING PROVISION OF ACCESS FOR CONSTRUCTION BELOW THE UMHLATUZANA VIADUCT, ETHEKWINI METROPOLITAN MUNICIPALITY (INNER & OUTER WEST), KWAZULU-NATAL FINAL BASIC ASSESSMENT REPORT DEA REF NO: 14/12/16/3/3/1/2135 Report prepared for: Report prepared by: SANRAL SOC LIMITED ACER (Africa) Environmental Consultants PO Box 100410 PO Box 503 Scottsville Mtunzini 3209 3867 May 2020 SANRALSOC LIMITED THIS FINAL BASIC ASSESSMENT REPORT HAS BEEN SUBMITTED TO THE COMPETENT AUTHORITY FOR DECISION MAKING. PLEASE NOTE THAT DUE TO THE COVID-19 LOCKDOWN AND NATIONAL STATE OF DISASTER IN SOUTH AFRICA, AN EXTENSION OF LEGISLATED TIME PERIODS IN TERMS OF THE 2014 EIA REGULATIONS WAS PUT IN PLACE IN GOVERNMENT NOTICE 439 OF 31 MARCH 2020. DUE TO THE COVID-19 LOCKDOWN, THE SUBMISSION OF THIS FINAL BASIC ASSESSMENT REPORT WAS DELAYED BEYOND THE 90 DAY TIME PERIOD USUALLY PROVIDED FOR AFTER SUBMISSION OF THE DRAFT REPORT. YOUR COMMENTS ON THIS FINAL BASIC ASSESSMENT REPORT MUST BE SUBMITTED DIRECTLY TO THE DEPARTMENT OF ENVIRONMENT, FORESTRY AND FISHERIES (DEFF) (INTEGRATED ENVIRONMENTAL AUTHORISATIONS ) AND COPIED TO ACER (DETAILS BELOW) FOR ATTENTION CHIEF DIRECTOR: INTEGRATED ENVIRONMENTAL AUTHORISATIONS DEA REF NO: 14/12/16/3/3/1/2135 Email: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Postal address Department of Environmental Affairs Attention: Chief Director: Integrated Environmental Authorisations Private Bag X447 Pretoria 0001 Physical address Department of Environment, Forestry and Fisheries Attention: Chief Director: Integrated Environmental Authorisations Environment House 473 Steve Biko Road Arcadia FOR ATTENTION: ASHLEIGH MCKENZIE OR CARINA BOONZAAIER ACER (AFRICA) ENVIRONMENTAL CONSULTANTS REF FINAL BAR3/DEA REF NO: 14/12/16/3/3/1/2135 P O Box 503, Mtunzini, 3867 E-mail: [email protected] BASIC ASSESSMENT 2: PROPOSED CAPACITY UPGRADES TO THE N3 (PARADIE VALLEY TO KEY RIDGE) INCLUDING PROVISION OF ACCESS FOR CONSTRUCTION BELOW THE UMHLATUZANA VIADUCT 05/09/2019 05:56 ii SANRALSOC LIMITED UNDERTAKING UNDER OATH/ AFFIRMATION BASIC ASSESSMENT 2: PROPOSED CAPACITY UPGRADES TO THE N3 (PARADISE VALLEY TO KEY RIDGE) INCLUDING PROVISION OF ACCESS FOR CONSTRUCTION BELOW THE UMHLATUZANA VIADUCT iii SANRALSOC LIMITED EXECUTIVE SUMMARY INTRODUCTION AND LEGAL REQUIREMENTS The South African National Roads Agency SOC Limited (SANRAL) intends to widen the N2 and N3 national roads between the Port of Durban and Pietermaritzburg, KwaZulu-Natal. The proposed project requires environmental authorisation from the national Department of Environmental Affairs. This report is a Basic Assessment Report (BAR) for a section of the N3 capacity improvements between Paradise Valley and Key Ridge (Figures 1 and 2). The BAR has been prepared on behalf of SANRAL by ACER (Africa) Environmental Consultants (ACER), in terms of the requirements of the Environmental Impact Assessment (EIA) Regulations of 2014 (as amended), published under the National Environmental Management Act, 1998 (Act No. 107 of 1998) (NEMA). The Basic Assessment process has included technical investigations and public participation in accordance with GN R. 326. The Draft BAR was finalised after consideration of public and authority review and comment. All comments submitted on the draft report are recorded and responded to in the DBAR Comments and Responses Report (Appendix E) and have been addressed in this Final BAR, as relevant/appropriate. Further to the requirement for environmental authorisation, several other environmental laws, policies and guidelines are applicable to this project (as listed in Chapter 2 of this report). PROJECT NEED AND DESIRABILITY The N2 and N3 carry large volumes of traffic, with a high percentage of heavy vehicles carrying freight to and from the Port of Durban, forming the backbone of South Africa’s freight network. Sections of these national roads are operating at full or near full capacity. Traffic studies commissioned by SANRAL have projected traffic growth figures, which indicate the need to provide additional lanes to alleviate current traffic congestion and to accommodate future growth and improve road safety and efficiency. SANRAL (Eastern Region), therefore, proposes to provide additional lanes along a section of the N2 near the Port of Durban and a section of the N3 from the N2/N3 (EB Cloete) Interchange (I/C) on to Pietermaritzburg. The proposed capacity improvements, which are divided into sections and covered ultimately by several engineering work packages, will be implemented at different stages according to timing priorities and factors related to funding availability (albeit the reality is that there will be overlapping construction periods between the different work packages). The proposed capacity improvements will improve safety and accommodate traffic growth to 2047. SANRAL is responsible for improving, managing and maintaining the network of national roads which act as the “economic arteries” of South Africa. The N2 and N3 carry large volumes of traffic, with a high percentage of heavy vehicles carrying freight to and from the Port of Durban, forming the backbone of South Africa’s freight network. Sections of these national roads are operating at full or near full capacity. Traffic studies commissioned by SANRAL have projected traffic growth figures, which indicate the need to provide additional lanes to alleviate current traffic congestion and to accommodate future growth and improve road safety and efficiency. SANRAL (Eastern Region), therefore, proposes to provide additional lanes along a section of the N2 near the Port of Durban and a section of the N3 from the N2/N3 (E.B Cloete) Interchange (I/C) on to Pietermaritzburg. The proposed capacity improvements, which are divided into sections and covered ultimately by several engineering work packages, will be implemented at different stages according to timing priorities and factors related to funding availability (albeit the reality is that there will be overlapping construction periods between the work packages). The proposed capacity improvements will improve safety, increase mobility and accommodate traffic growth to 2047. Importantly, the upgrades are planned in line with South Africa’s Strategic Infrastructure Projects (SIPs) as described in the National Development Plan, 2011. Specifically, the proposed capacity improvements form the backbone of SIP2, which focuses on strengthening the Durban-Free State- Gauteng logistics and industrial corridor. In line with SIP2 goals, the capacity improvements will improve access to Durban’s export and import facilities. BASIC ASSESSMENT 2: PROPOSED CAPACITY UPGRADES TO THE N3 (PARADISE VALLEY TO KEY RIDGE) INCLUDING PROVISION OF ACCESS FOR CONSTRUCTION BELOW THE UMHLATUZANA VIADUCT iv SANRALSOC LIMITED National roads are essential infrastructure supporting the economy of the country and, therefore, of benefit to all citizens of South Africa either directly or indirectly. As such, this project has been taken into account by, and is compatible with, national, provincial and municipal development and planning frameworks. PROJECT LOCATION AND MAIN COMPONENTS The sections of national road dealt with in this Basic Assessment are located within the Inner and Outer West planning areas of the eThekwini Metropolitan Municipality, KwaZulu-Natal. Maps and diagrams of the planned upgrades are provided in this BAR. N3 sections to undergo widening are situated between Paradise Valley and Key Ridge. Within these sections, bridges, overpasses, underpasses, crossroads and culverts will be lengthened/modified as necessary to accommodate the additional lanes. This project also requires the construction of a temporary access road to allow for heavy vehicles and machinery (including piling rigs) to get to the area beneath a viaduct on the N3. The proposed uMhlatuzana Viaduct access road (approx. 2.8 km) will allow access beneath the uMhlatuzana Viaduct, from the south side of the N3, via the district road (D493/1) through Giba Gorge Business Park/Mountain Bike Park and ending on an upgraded track over private land. Due to the sensitive environment which will be affected by this access, the proposed design has been carefully considered by SANRALs design engineers. The width of the access corridor has been reduced to the minimum, (to minimise vegetation clearance) while allowing for feasible access, safety considerations and structures for stormwater and erosion control. In addition to the N3, this project will affect sections of the M1 either side of the Richmond Road Interchange and sections of the M7 either side of the Farningham Interchange. Various intersections of municipal roads with the M1 will need to be closed due to their proximity to the upgraded N3/M1 Interchange. Alternative access will be provided1. The work will be carried out under two construction contracts viz: N3 from Paradise Valley to Mariannhill Toll Plaza, including the M1 and M7 components. The construction works for this section will be broken down into two phases. Phase one will include the upgrade of the N3 between Farningham Interchange and Richmond Road Interchange and will also include the upgrade of the interchanges and relevant crossroads