Swimming Pools

Structural engineering for swimming pools: pool tanks, indoor and outdoor pools, plant structures, with corrosion protection in chlorinated air.

Indoor and outdoor pools, tanks and plant. One of the most demanding building types in the municipal stock.

What we take on

  • Pool tanks in reinforced concrete, water-impermeable and crack-width-controlled
  • Hall structures over the pool and the plant level
  • Plant structures, water treatment, pipe ducts
  • Condition assessment and repair of existing pools

Chlorinated air attacks steel

In an indoor pool, stress corrosion cracking occurs in high-strength steels in the roof zone. So for suspended loads and roof structures over the pool area, only materials and fixings verified for that exposure can be used. We check this explicitly on existing pools – it is the fixings that become dangerous here, not the primary structure.

Tanks and restraint

Crack width control, joint layout and pour sequence decide watertightness. Added to that: uplift in groundwater and load cycles from filling and emptying.

Operation and refurbishment

Closing a pool has a political cost. We plan phases in which part of the operation continues – and say clearly where that is not possible.