Your Partner for Innovative Designs from Concept to Realization Designs A motivated team of experienced engineers, designers, and polymechanics equipped with modern infrastructure is available to assist you with your projects. Contact us for a personal consultation to discuss your challenges without obligation. Depending on your needs, we support you in the following areas: • Complete product development • Project management or specific tasks • 2D or 3D designs of all complexity levels • Feasibility studies • Manufacturing drawings • Assembly drawings • Assembly instructions • Maintenance manuals • Workshop manuals • Spare parts catalogs Calculations Save valuable time and benefit from our years of experience in the calculation and design of rail vehicles, cable cars, and machinery and plant engineering. Our practical experience simplifies implementation during manufacturing. We perform safety verifications in accordance with all applicable requirements (BAV, FKM, Eurocode, etc.), including: • Strength calculations • FEM analyses • Component approvals • Safety verifications • Damage analyses • Weight optimizations • Mechanical optimizations • Analysis of kinematic processes Approvals With years of experience in obtaining approvals, we provide competent and efficient support for your projects. Various rail and maintenance vehicles have received BAV approval through our work, including aerial work platforms mounted on rail vehicles. Our services include: • BAV approval for rail and maintenance vehicles • EN 12663 strength requirements for rail vehicle bodies • EN 14033 rail-bound construction and maintenance machinery • EN 280 stability requirements Production Our in-house workshop, equipped with an overhead crane, enables us to transform well-developed ideas into functional prototypes and models. We also manufacture ready-to-install components and tested, turnkey machines and systems. Welding Supervision We offer external welding supervision services for your operations. Our staff member Fabian Peter is certified as an International Welding Engineer (IWE) for such activities. Additionally, certified personnel are available to perform visual inspections of weld seams. Our services include: • Acting as responsible external welding supervisors (vSAP) in regulated sectors under the EN 15085 standard for rail vehicles • Preparation for welding certifications according to EN 15085 • Welding consultation for design, manufacturing, material selection, and calculations • Development and drafting of welding instructions (WPS) • Non-destructive testing (NDT) of welded structures

We are a team of experts in the field of construction economics, general planning, and construction management. We offer personalized advice and individual solutions. Whether you are planning a new project, optimizing an existing property, or carrying out renovations, we support you with our extensive experience and expertise. We assess the economic viability of your project and ensure maximum cost security from the early planning stages. As general planners, we guarantee seamless coordination among specialists and trades. Our commitment to quality assurance is reflected in every one of our projects. Through our construction management services, we ensure that all work is completed within budget and on schedule. We are more than just a service provider; we are your partner. With us, you benefit from our experience, know-how, and network. We operate as a team, providing added value for you. Our services support you in all phases, from strategic planning to implementation. Feel free to get in touch with us. COST CALCULATIONS ECONOMIC FEASIBILITY ASSESSMENTS TECHNICAL CONTROLLING COST COACHING QUALITY MANAGEMENT EXECUTION GENERAL PLANNING CONSTRUCTION MANAGEMENT

Aufenthalt auf der Terasse zum Mittagessen war sehr angenehm, Bedienung sehr freundlich und das Essen ohne Tadel. DANKE.

Danke für den schönen Abend! Wie immer war das Essen unglaublich gut und das Personal ist sehr aufmerksam und freundlich.

The Riesen Building Technology AG is a company with tradition and experience. We are your specialist for building technology. Here you will find personal and competent advice. The plumbing, heating, and roofing company Arthur Riesen AG was acquired by Daniel von Mühlenen in 2003 and transformed into Riesen Building Technology AG. Riesen Building Technology AG took over all 3 employees. Son Andres successfully completed his first apprenticeship as a roofer at LWB in Bern in 2006. After his apprenticeship in 2007 as a plumbing installer at Chapuis & Zürcher AG in Bern, he deepened his professional knowledge for another year. In 2010, Andres successfully obtained his 3rd Federal professional title as a heating specialist in building technology planning at Haustechnikplanung Abbühl in Spiez. To gain further professional experience, he also worked at Böhlen AG in Bern. In 2010, Andres joined the company at 40%. Since 2012, he has been acting as managing director. He is supported by his dedicated, long-standing plumbing and heating installers as well as a trained roofer. Our Services - Plumbing - Heating - Roofing - Lightning protection - Fireplace construction - Bathtub replacement - Solar - Enamel repairs We are happy to be your contact for work around your home. Customer satisfaction is of great importance to us. We guarantee this through quality, performance, and price. The building envelope has many requirements to fulfill. We are happy to assist you. From planning to complete execution. We are professionals with appropriate training. We don't leave our customers out in the rain.