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SU-YAPI Engineering & Consulting Inc.

DSİ Region 02 GÖLSU Projects Planning and Design Services – Part 1

Manisa

Client DSİ 2nd Regional Directorate - İzmir
Partner -
Financing Local
Duration of Services 2013 - Ongoing
Brief Description of the Project:

Project site covers some lands of the County Seat, Kula, Demirci, Alaşehir and Gördes sub-provinces of Manisa Province and Dikili sub-province of İzmir Province in the Aegean Region. 

The project comprises the following facilities: 

Manisa County Seat - Beydere Lagoon and Irrigation: The Lagoon of Semi-Permeable Fill type and 17.89 m height from foundation will supply irrigation water to gross 76 ha arable land. 

Manisa County Seat - Mustafa Altundal Lagoon and Irrigation: The Lagoon of Rock-Fill type and 28.38 m height from foundation will supply irrigation water to gross 227 ha arable land.

Manisa Kula İbrahimağa Lagoon and Irrigation: The Lagoon of Rock-Fill type and 28.28 m height from foundation will supply irrigation water to gross 97 ha arable land.

Manisa Demirci Kuzuköy Lagoon and Irrigation: The Lagoon of Semi-Permeable Fill type and 24.28 m height from foundation will supply irrigation water to gross 109 ha arable land.

Manisa Demirci Çanakçı Lagoon and Irrigation: The Lagoon of Rock-Fill type and 30.59 m height from foundation will supply irrigation water to gross 67 ha arable land.

Manisa Demirci Mahmutlar Lagoon and Irrigation: The Lagoon of Rock-Fill type and 32.02 m height from foundation will supply irrigation water to gross 99 ha arable land.

Manisa Alaşehir Zeytinçay Lagoon and Irrigation: The Lagoon of Semi-Permeable Fill type and 37.00 m height from foundation will supply irrigation water to gross 118 ha arable land.

Manisa Gördes Kobaklar Lagoon and Irrigation: The Lagoon of Semi-Permeable Fill type and 25.98 m height from foundation will supply irrigation water to gross 87 ha arable land.

İzmir Dikili Esentepe Lagoon and Irrigation: The Lagoon of Rock-Fill type and 34.16 m height from foundation will supply irrigation water to gross 269 ha arable land.

For the lagoons, for which Preliminary Study Reports are available, planning report will be prepared separately. Planning studies will be performed in two phases. 
 
1. Preliminary Study Report 

Studies to determine the types and capacities of the contractual facilities and to select the project formulation will be performed in this phase, and the “Preliminary Study Report”, compiling the results of studies, will be submitted to DSİ. Detailed planning services will be proceeded with after the project formulation is accepted by DSİ. The Engineering Hydrology Reports and Agricultural Economy Interim Reports on lagoons further to Preliminary Study Land Classification Reports will have been approved in the Preliminary Study Report phase. 1/1000-scale digital maps for axis sites of storage facilities and reservoir area, and 1/2000-scale digital maps for irrigation areas will be prepared. 

2. Planning Reports 

Planning studies will be commenced on the basis of the project formulation selected by DSİ who will review the “Preliminary Study Reports” and approve the proposed project formulations. The appendices to Planning Reports, namely the “Planning Land Classification and Drainage Report” and “Agricultural Economy and Land Acquisition Planning Report”, will be prepared. Natural construction material investigations and laboratory tests further to engineering geology studies and foundation borehole drillings will be carried out, and “Engineering Geology and Natural Construction Materials Planning Report” will be prepared. 

The EIA studies will be performed as basis to the Project Introductory File and certificates for the “EIA IS Not Required” will be obtained. 

Design of Lagoons 

Final design of lagoons, of which Planning Reports have been agreed by the Client, will be based on the requirements specified in the “Technical Specification for Dam Construction”. The following aspects are to be considered in Lagoon Design. 

a) Preliminary Report

Preliminary Report will be prepared on the basis of the Client’s comments on revision, if any, of the basic formulation proposed in Planning Report. 

b) Interim Report

Interim Report will be prepared to comprise the preliminary calculations and project formulation.

c)  Design

Design studies will progress after considering the requirements specified in the Dam Design Technical Specification and after the interim report is agreed by the Client. Design studies will comprise all relevant hydraulic, stability, static-reinforcement, steel structure design calculations and drawings. Stability analyses, stress and displacement analyses, leakage analyses and dynamic analyses will be performed, and types and locations of instruments to be placed in lagoon body will be detailed on detail drawings.

Scope of Services:
  • Planning studies,
  • Lagoon Final Design studies.