Technical Specifications · ROCKWILL

Bidding Document Supply, Test and Commissioning of MV Switching Stations (RMU) for Addis Ababa Distribution Network

24 kV SF6‑sealed ring‑main‑unit, 630A rated current, 20kA‑3s short‑time withstand, AFLR internal‑arc resistant, 2‑incomer LBS +4‑outgoing CB, SCADA‑ready, for 50 Hz high‑altitude heavy‑pollution Ethiopian distribution‑network projects.

Updated2026.09

LanguageEnglish

FilePDF · 2.8 MB

24kV MV Switching Stations (RMU)Specification for Addis Ababa Distribution NetworkEthiopia Electric utility（EEU）

Document description

This document is African Development Bank‑financed bidding document issued by Ethiopian Electric Utility, targeting EPCs, tenderers and design‑institutes for tender response and pre‑award evaluation.

It follows prevailing IEC and ISO standards and defines project scope, harsh high‑altitude tropical‑humid site constraints, functional configuration, quality‑system requirements, witness‑test rules, warranty obligations, documentation deliverables, personnel‑training and post‑project spare‑parts availability requirements.

It covers bidder qualification criteria, bidding forms and contract clauses for replacement‑type distribution‑switching‑station renovation projects. Contact us for compliance‑check templates and complete qualification documents.

Frequently asked questions

What SCADA‑related functional requirements apply for this ring‑main‑unit solution?

The equipment shall be fully SCADA‑compatible, support multi‑protocol protection‑relay communication, local‑remote switch operation, position‑signal feedback and fault‑alarm uploading, to connect with existing DMS platform. Please contact us for SCADA‑interoperability‑advice.

What are the mandatory quality‑system requirements for bidders and manufacturers under this bidding document?

Manufacturer shall hold valid ISO 9001 quality‑management‑system certification; ISO 14001 environmental‑management‑system certification is preferred. All design, production and testing activities shall follow approved quality‑assurance‑plan. Please contact us for qualification‑checklist.

What special site environmental constraints need to be considered for this distribution‑switching‑station project?

The project faces high altitude up to 3000 m, heavy pollution grade, high humidity and large wind‑speed conditions. Equipment shall be adapted for local climate, insulation derating and anti‑pollution design must be taken into account. Please contact us for environmental‑adaptation guidance.

Bidding Document Supply, Test and Commissioning of MV Switching Stations (RMU) for Addis Ababa Distribution Network

Document description

Related Products

MV SF6 Gas Insulated Ring Main Unit for PV stations-24kV

Reliable SF6 Insulated Switchgear/RMU for power distribution system-24kV

RMR-12kV...17.5kV...24kV SF6Ring Main Unit

Frequently asked questions