
Surveying and Mapping
Specialized Construction Surveying is the combination of experienced professionals utilizing the latest technological advancements in surveying equipment to achieve precise results. We can provide pinpoint accuracy using our Real Time Kinematic (RTK) GPS or Robotic Total Station systems.
Our services include:
- Construction Surveying for Transportation, Mining, Hydro-Electric, Industrial and Commercial Projects
- Survey Control Networks and Control Monument Establishment
- Quality Control / Quality Assurance
- As-built Surveys and Documentation / Mapping
- Volumetric Surveys and Earthwork Calculations - Stockpile Surveys
- Precise Foundation Layout for Concrete / Steel Construction

Materials Testing
A significant portion of our work is involved with the Transportation Industry which requires an extensive knowledge about the Standard Specifications for Highway Construction. We know the strict requirements of the Ministry of Transportation and Infrastructure's construction guidelines and can help your company stay within these tolerances. Any engineering company can test your products and workmanship, but we can help you achieve the desired goal economically using our materials knowledge and road building experience while keeping you in conformance.
Our certified technicians work closely with Project Managers to spearhead the focus on quality and identify ways to eliminate causes of unsatisfactory product or service performance.
Our services include:
- Crusher Control
- Aggregate Gradation Analysis
- Fracture Counts
- Moisture Density
- Proctors
- Compaction Testing

Home Design and Drafting
We can provide you Custom Home Plans from our full service design and drafting department. We offer our clients a wide range of services using numerous 3D design and CAD software. Our people are experienced in more than just drafting plans. We know how construction works and incorporate that knowledge into our design services so that you receive quality results. We like to interact with our clients to assist them in determining a cost-effective way to turn their ideas into an aesthetic and functional design.
Our services include:
- Residential Design
- Site Plans
- Full Construction Drawings
- Subdivision Design
- Renovation Plans
Let us take care of it. We take pride in ensuring that our clients are completely satisfied. We are available to answer all of your questions and assist you in making the right decisions during the design and construction process.

1st Place - Smithers Airport Connector - Deputy Minister Award
Delwisch Design Group played a major role in the reconstruction of the Smithers Airport Corner. Our people on-site included the Project Superintendent, Quality Control Manager, Construction Surveyors, Materials and Compaction Testing Technicians for the project. This $6.1M, 23,000 tonne paving project was located at six different locations on Highway 16.

