Project
Considerations
To define the appropriate waterproofing strategy and type of system for a specific project, it is important to consider not only the ground conditions but also the project requirements of the owner. The functionality and future use, service life and the total cost of ownership should also be considered.
Grade 1
Basic Utility
Some seepage and damp areas tolerable*
- Underground car parks
- Plant rooms
- Workshops
* Dependent on use
Grade 2
Better utility
No water penetration. Ventilation may be required
- Underground car parks
- Storage areas
- Workshops
- Electrical plant rooms
Grade 3
Habitable
No water penetration, totally dry environment
- Ventilated residential units and offices
- Restaurants and commercial areas
- Leisure facilities
Total cost of ownership
The total cost of ownership (TCO) includes all of the building costs for the entire service life of the structure, including the initial investment, the cost of any loss or damage to interior furnishings and goods etc. due to water ingress, the cost of any repair and maintenance, plus the cost of any downtime during any such works.