Gabon - Design, Engineering and Consultancy service for 225/30kV, 2x70MVA Substation at Bafoula, 225kV S/C Transmission line and 225kV Line bay extension at existing Maunda substation for Nouvelle Gabon Mining (NGM) (|photo is indicative)
Scope of Work :
The scope of work shall include the following services for the installation of 225/30kV Main Receiving Substation (MRSS) at Bafoula, 225kV Transmission Line (10km), and 1x225kV Line Bay Extension at existing Maunda Substation in Gabon :
a. Overall Design Engineering including Civil, Mechanical, Electrical & Instrumentation/ Communication supporting to CCTP (End User spec.) supporting to Project requirement for MRSS & GSS Bay.
b. Review and approval of Steel structural drawings prepared by Solen with respect to structural design calculations of 225kV and 30kV Gantry and Equipment support structures to be prepared by Satcon.
c. Review of Preliminary GTP of major equipments (prepared by Solen).
d. Review of Datasheet/ GTP, Drawing etc. of major Equipments (prepared by manufacturer) for manufacturing.
e. Review of QAP, MQP, Type test report of all major items (prepared by manufacturers).
f. Design and engineering of SCADA/SAS integration among substations as per CCTP.
g. Review, commenting and one time checking of compliance with Satcon’s comments for Transmission Line detail design (Electrical, Civil & Structural) drawings and documents prepared by the supplier.
h. Review, commenting and one time checking of compliance with Satcon’s comments for Balance Transmission Line Design documents (Conductor, OPGW, earth wire, hardware, earthing etc) to be submitted by the supplier.
i. Review of Site ITP, FQP.
j. Inspection of Items FOTE, PLCC, SAS, CRP.
k. Review of Inspection test reports of balance major items.
l. Preparation of Civil BOQ for MCR, Switchyard & GSS area, Mechanical & Electrical BOQ for subcontractor finalization.
m. Review of SAT Test List of Equipments, Pre-commissioning test procedure for substation charging.
n. Review of Test Report (Civil & Electrical).
p. Load flow analysis, Short-circuit calculation and Relay coordination for all relevant protection functions of the interconnecting network/ substations through ETAP software.
q. Visit to Gabon, if required.
r. Deputation of Electrical engineer at site for supervision and assistance in Testing commissioning during site commissioning.
