Areas of Expertise

Building and Industrial Construction

Building and Industrial Construction has always been a substantial part of our work and competence as civil engineers. The regular implementation of a wide variety of projects in various functions (general planner, project manager, planner, construction supervisor, consultant, expert witness, etc.) provides us with the experience of working with our customers to find the best possible approach.

In Building Construction, we have developed into experienced specialists in the areas of execution planning, construction supervision, as well as project management. In the case of interdisciplinary issues, we rely on our statics and infrastructure construction experts, to solve even the most complex questions for our customers. Our expertise is complemented by our network of longstanding partner offices in other engineering areas, such as building and electrical engineering, building physics, fire protection, surveying, geotechnical engineering and spatial planning. As a result, we offer continuous support – starting from our client’s project idea to its completion and beyond, everything from a single source.

BIM (Building Information Modelling)

We offer modern construction planning based on a digital model. Every planner introduces his or her planning service in a coordinated manner. This enables an optimized and sustainable construction and operation of your property.

General Planning

We cover all general planning disciplines of the building industry. Specialist planning, such as statics and hydraulic engineering, as well as application and execution planning in building and industrial construction. We provide the general planning (everything from a single source) with the involvement of our specialized partners for home and electrical engineering, fire protection, etc.

Project Management / Construction Supervision

We coordinate your project starting from the initial idea to the turnkey delivery. Our general control of costs, deadlines and quality, ensures the achievement of your project goals.

Expert Opinion / Accompanying Control

​In addition to the judicial procedures, expertise work comprises property assessments, parifications, quality assurance, as well as deficiency assessments for all specialist areas. Moreover, we offer our clients competent and goal-oriented support in the implementation of their project goals. Interfaces, structures and schedules are prepared in a clear manner in order to ensure highly effective project work.


Building and Industrial Construction

Harald Rappauer is a certified civil engineer with almost 20 years of professional experience. Since 2017, he has been in his responsible position at OKZT. After he successfully took his master builder examination in 2005, he continued with a training and an examination as a real estate trustee in 2011.


Teamleader Building and Industrial Construction
Mobile +43 664 80 944 443