Site Waste Management Plan. Your SWMP is created before your project begins and accurately estimates how much waste will be produced. It then details how the waste will be reused, recycled, or disposed of in a safe, efficient, and lawful manner. The plan is updated during your project to record how waste is being managed and to show that any materials that can't be reused or recycled are disposed of properly. Therefore we request that you do not dispose of any materials what so ever on any skips on site or prepared piles awaiting removal by our grab lorries.