Inspection in some cases in mandatory, why not save cost on scaffolding or cherry picker hire and utilise aerial imagery to take out the guess work. We can create high resolution photographs by combining hundreds of photos together to make one high resolution image of your asset. This enables a desktop study of say a roof to be undertaken in fine detail.
Record models can be created of your asset by the creation of 3D models from your asset. Heritage assets are a fantastic example of this.