
Engineering office for Building Technology Planning: Sewerage, Sanitary, Heating/Cooling and Ventilation in German-speaking Switzerland.

Plus Plan AG
Suhr AGNew on Amplifa
About Us
Plus Plan AG, headquartered in Suhr (Canton Aargau), is an engineering office for building technology planning in German-speaking Switzerland. The company covers the four specialized fields of sewerage/drainage, sanitary, heating/cooling, and ventilation. They support clients from the initial project design through tendering (submission) and detailed construction planning to technical construction management and commissioning. Drainage and sewerage planning is conducted according to the standards of the General Drainage Plan (GEP) and technical guidelines SN 592 000; in this, the office works closely with municipalities. The range of services includes consulting, concept development, planning, cost and schedule control, CAD coordination of disciplines, and the total planning of building technology (HLS). The reference list includes projects ranging from single-family and multi-family homes to area developments with several hundred residential units, including the Artoz/Zeughaus area in Lenzburg with 432 residential units. The company is led by the two managing directors and owners, Skender and Mentor Selmani, who, as experienced engineers, focus on the latest technologies and sustainable, economic concepts.
- Site
- Suhr
- Processes
- Sewerage / Drainage Planning (GEP, SN 592 000), Sanitary Planning (Potable water, wastewater, hygiene facilities), Heating / Cooling Planning, Ventilation Planning, Consulting, Tendering (Submission), Cost and Schedule Control, Coordination / Total Planning of Building Technology (HLS) including CAD coordination, Technical Construction Management for Building Technology, Design, Detailed Design, Building Application (Drainage/Sewerage Projects)
- Materials
- Drainage Planning according to GEP / SN 592 000, Sanitary Planning, Heating / Cooling Planning, Ventilation Planning, Total Planning of Building Technology (HLS) with CAD Coordination
- Industries
- Building Technology / Building Technology Planning, Residential Construction (MFH, EFH, Area Developments), Commercial Facilities, Property and Settlement Drainage, Infrastructure Projects
- 01
Consulting
- 02
Concept Development
- 03
Planning (from preliminary design to detailed design)
- 04
Tendering (Submission)
- 05
Cost and Schedule Control
- 06
Coordination / Total Planning of Building Technology
- 07
Technical Construction Management for Building Technology
- 08
Commissioning
Scope of Services and Standards
Drainage Planning according to GEP / SN 592 000
Sewerage and drainage for new constructions, existing buildings, and infrastructure projects according to the General Drainage Plan and guidelines SN 592 000.
Sanitary Planning
Conception and implementation of systems for potable water, wastewater, and hygiene facilities, taking into account standards, sustainability, and energy efficiency.
Heating / Cooling Planning
Development of sustainable, efficient, and economical heating and cooling concepts, including the selection of energy carriers and systems.
Ventilation Planning
Detailed planning of ventilation systems for residential buildings up to commercial facilities to improve indoor climate and energy efficiency.
Total Planning of Building Technology (HLS) with CAD Coordination
Interdisciplinary coordination of all building technology systems and trades by CAD specialists.
Locations
Suhr
CHHeadquarters / Office
Projects






Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Sewerage / Drainage Planning (GEP, SN 592 000)Engineering | – | – | – | – | – |
| Sanitary Planning (Potable water, wastewater, hygiene facilities)Engineering | – | – | – | – | – |
| Heating / Cooling PlanningEngineering | – | – | – | – | – |
| Ventilation PlanningEngineering | – | – | – | – | – |
| Consulting, Tendering (Submission), Cost and Schedule ControlEngineering | – | – | – | – | – |
| Coordination / Total Planning of Building Technology (HLS) including CAD coordinationEngineering | – | – | – | – | – |
| Technical Construction Management for Building TechnologyEngineering | – | – | – | – | – |
| Design, Detailed Design, Building Application (Drainage/Sewerage Projects)Engineering | – | – | – | – | – |
Additional services
Reference customers