General Planner SIA 32–53 for Regensdorf 220 kV Substation Expansion 2026 Tender
Original: Planificateur général SIA 32-53 pour la sous-station de Regensdorf
Swissgrid AG - Engineering & Construction
In context
This is a contract notice published by a government body covering consulting. Bids are invited through an open procedure. Delivery covers Switzerland (CH-ZH). It is classified under Grid Modernization and Engineering and Infrastructure against the sustainability taxonomy rather than matched on keywords.
Swissgrid seeks a general planner (SIA phases 32–53) to design and coordinate expansion of the 220 kV Regensdorf substation, including GIS switchgear extension and cable connections. Bidders must be engineering firms with expertise in high-voltage electrical infrastructure planning, BIM coordination, and multi-disciplinary project management.
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About this tender
Swissgrid AG seeks a General Planner (Generalplaner SIA 32-53) for the expansion of the 220-kV substation in Regensdorf, canton Zurich. The substation's gas-insulated switchgear (GIS), installed in 2021, requires expansion with two additional fields (transformer field and reserve field) plus necessary cable connections. The General Planner will be responsible for planning and coordination across SIA phases 32-53 (with phases 51-53 as optional). The role includes overall project management, coordination of all involved technical disciplines (primary technology, auxiliary power supply, civil works), and engineering planning. The General Planner must manage multi-discipline coordination per SIA 103 while certain services (BIM coordination, substation automation, environmental planning) are provided by the client. Contract duration aligns with execution timelines in the contract draft (Document A1). The tender is published under Swiss public procurement law and is open to international participants.
Bidder eligibility
EK1: Registration and qualification in SAP Ariba Business Network. EK2: Acceptance of contract draft and general terms & conditions. EK3: Sufficient capability of the bidder (lead firm if consortium); lead firm must demonstrate specific expertise in 'primary technology' segment. For consortia (ARGE), the lead member must prove specific knowledge in primary technology sub-project. Key personnel must meet minimum technical qualifications (TS2) and language requirements (TS3 – German language minimum). All specification requirements per specifications document (Lastenheft, C100) must be fulfilled. Bidding consortia permitted but must register and qualify in SAP Ariba before submission. Each bidder may submit only one offer.
How bids are scored
Four award criteria (Zuschlagskriterien) applied with weightings: ZK1 Price (40%), ZK2 References of key personnel (25%), ZK3 Contract & risk analysis (25%), ZK4 Sustainability efforts (10%). Detailed evaluation methodology specified in procedural instructions (Document 01). Technical compliance with specifications (TS1-TS3) is a threshold requirement.
Key requirements
- ✓General planner responsible for SIA phases 32–53 (design through execution planning)
- ✓Coordination and supervision of all specialist domains (primary circuits, building/civil, automation systems, BIM)
- ✓Engineering and planning for GIS switchgear expansion (two bays: transformer bay + reserve bay) and cable connections
- ✓Optional phases 51–53 (construction management) available as add-on
- ✓Compliance with SIA 103 standard for general project management and interface coordination
Procurement contact
The notice names a procurement contact for clarification questions.
Relevant sectors
About this sector
Grid modernisation covers transmission, distribution, smart meters, interconnectors and the software that balances a network with more variable supply. Funding comes as innovation calls for network operators and suppliers as well as large public tenders for equipment and works. Applicants are usually asked to show technical readiness and experience working with regulated network companies.
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