Pre-concreting Inspection for Waterproofing of Staircase Foundation. We checked for: •Use of correct waterproofing specification •Condition of waterproofing membrane - should not be perforated (preferably new) •Coverage of the membrane material - no approved backfill material should be exposed Captured in the footage is an active site in Oaklands - Kiambu🇰🇪 We are a leading Engineering and Project Management Firm. We bring together an exemplary team of construction professionals with vast expe