Decommission the existing OSTDS system, per the State of Florida Environmental Health Department regulation/requirements. Replace septic system as per the Escambia County Environmental Health Code specifications. Following the repair of the septic system, grade area and leave in a uniform/smooth condition, then provide grass seed and straw for stabilization. All damage to the yard (created by trucks and other equipment used to accomplish work herein), is to be filled to grade with topsoil and seed and straw installed. If it is necessary to remove any part of the fence or landscaping, it will be restored to existing condition prior to repairs. Contractor will return one time after substantial completion of work during the warranty period if areas settle to re-grade and seed. Tie-in the sink drains to new system, extend soil pipe to above the roof line and attach to dwelling as required.