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results and the resultant classification of waste materials, it is agreed by the parties to this Contract that the Engineer shall perform independent testing and shall determine all questions in relation to the classification of waste materials. The Contractor will be held liable for all supplementary testing, Engineering and associated Contract Administration cost. N. On or before the completion of work, the Contractor shall, unless otherwise directed in writing, remove all temporary works, tools and machinery or other construction equipment placed by him. He shall remove all rubbish from any grounds that he has occupied and shall leave all of the premises and adjacent property affected by the operation in a neat and restored condition satisfactory to the Engineer. 3.10. PROTECTION OF COATING SYSTEMS A. Protect surfaces of coating systems from damage during construction. 3.11. TWO YEAR INSPECTION A. Owner will set date for Two-year inspection of coating systems. B. Inspection shall be attended by Owner, Contractor, Engineer, and manufacturer's representative. C. Repair deficiencies in coating systems as determined by Engineer in accordance with manufacturer's instructions. 3.12. SCHEDULES A. Color Schedule: Colors to be selected by Owner 3.13. CONTAINMENT AND CONTAINMENT PLAN A. The existing coating on the pressure filter and backwash tank is classified as lead -based paint. Testing from the pressure filter at each facility confirms the lead presence. See Paint Chip Lead Test Results. Therefore, it is anticipated that abrasive blasting will may generate hazardous waste. The use of a proprietary admixture to the selected abrasive such as "Blastox" (TM) is required to ensure satisfactory toxicity characteristics testing. Therefore, all work shall be performed in accordance with Chapter 7025 for the Removal of Lead Paint from Steel Structures of the Minnesota Pollution Control Agency. B. The Contractor shall be fully responsible to provide full containment of the abrasive blasting operations to prevent the drift of abrasive and existing exterior paint removed throughout the facility. Therefore, Containment and disposal per state and federal regulations will be mandatory. In conjunction with full containment, the contractor shall be responsible to provide adequate dust collection or negative air to the containment system to prevent the release of emissions to the environment and to provide a reduction of lead dust exposure for workers. C. Provisions shall be made to remove and collect dust particles from the interior of the containment. As such, the proper use of a dust collector is mandatory. P05367-2016-000 / Mounds View 09 96 20 - 17 PRESSURE VESSEL COATING 2019 WTP Rehabilitation SYSTEMS