Shearer and Associates Inc 3/9/2020

6.3 East Clearwell Roof System Demolition Requirements See Article 5 of the Contract for specific requirements related to obtaining Demolition Notices to Proceed. At the East Clearwell, Design-Builder shall: 1. Provide a detailed demolition plan for the roof showing methods to be used throughout the demolition,and specifically addressing measures to protect adjacent and nearby structures and identification of disposal locations. Demolition plan shall also include a schedule, identify location(s)for demolition debris disposal, and safety measures to be employed during demolition. 2. Demolish the existing roof and support structures as needed to allow construction of new roof system.All components associated with the existing roof system that are not required for the new roof system shall be demolished, except for support columns if possible,which the City desires to retain to avoid potential floor damage caused by removal. 3. Protect newly installed existing washdown system during demolition. 4. Protect the operating West Clearwell vents from dust and other demolition related contaminants. This may include measures such as temporarily blocking a portion of selected vents or installing temporary filter material over the vents to prevent contaminants from entering the on-line clearwell. Submit the proposed plan to the Owner's Representative for approval. 5. Unless otherwise specified, replace all features impacted by the work with new ones of equal or greater quality and service life expectations including but not limited to,support brackets, conduit, piping,and connections. 6. Transport and dispose of demolition debris, including excess soil,at appropriately permitted facility(ies). Provide the City with copies of all disposal records. ARTICLE 7. SITE RESTORATION AND CLEANUP Design-Builder shall: 1. Provide final cleaning of the Site. Clean,sweep, and wash all work provided under the Contract and existing facilities impacted by the work and remove all temporary structures and debris. 2. Fully restore disturbed areas including areas disturbed by demolition work so the areas are uniformly graded, level, and smoothly transition to match the ground elevations of adjacent areas. If needed import soil to achieve required grades. Provide proper compaction to avoid settlement over time. 3. Replace any disturbed landscaping in kind, and hydroseed areas disturbed during demolition with a seed mix appropriate for the area. City of Everett January 29,2020 Water Filtration Plant East Clearwell Roof Replacement DB Project Supplementary Conditions Page 17