12-151 - King County Flood Control District - Duwamish Gardens Grant

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TO READ: EXHIBIT B: SCOPE OF WORK TASK Management the work of consultants and contractors to ensure that scope of work elements are carried out as described below. 2014 The City will oversee all aspects of the Project, hire and oversee the work of Remove Remove five structures including a barn (2,000 Ft.2), two houses (1820 Ft.2, 2,200 Ft.2), a bunk house (500 Ft.2), and an outbuilding (4,000 2012- consultants and contractors to ensure that scope of work elements are carried 2 structures Ft.2) located on Parcels 1023049060, 1023049055 and 1023049071 2013 70,000 12/31/2015 Plan for and remove contaminated Remove and dispose of approximately 5,000 CY of material that will require special handling and disposal. Excavate soil down to a maximum of 4 feet where needed when it contains detectable levels of 2012- 2015 3 soils PAHs below or above the threshold for a MTCA Method A cleanup. 2014 117,000 DELIVERABLES: Plan for and complete all necessary data recovery for archeological Data recovery plan will outline how the City of Tukwila plans to investigate the site to determine if archeological resources are present, and if so, their approximate location and depth. Excavate a series of trenches where archeologists can observe the trench sides for sedimentation layering and sieve the excavated material for artifacts. This information is used by the project designers to determine if they can avoid impacts to the cultural resources, and if not, will allow them to determine the quantity and types of artifacts that are anticipated 2012- • A copy of the duly executed contract agreement between the consultant hired for the Project and the City 4 artifacts during excavation. Submit plan to King County as a deliverable. 2014 298,000 6/1/2014 - Excavate and grade site and restore it into a Remove approximately 55,000 CY of material from the center of the site and adjacent to the Duwamish River to establish 1.3 acres of shallow water mudflat and marsh habitat and 0.8 acre of restored 105,000 12/31/2015 5 shallow marsh riparian area. 2014 0 • Construction monitoring and data recovery if required Credit the King County Flood Provide proper credit as provided by King County for funding this project by the following needs as applicable: On -site signage, consumable printed materials such as flyers, brochures, etc, press releases, electronic postings such as web sites, electronic newsletters 2012- As follows: 6 Control District and reports. 2014 0 Prepare and the site to determine if archeological resources are present, and if so, their 9/1/2012 - Investigation submit Final 298,000 December 7 Report Final report shall follow the format of Exhibit E 31, 2014 0 $500,000 TO READ: EXHIBIT B: SCOPE OF WORK TASK DESCRIPTION AWARD SHARE COMPLE- TION DATE The City will oversee all aspects of the Project, hire and oversee the work of consultants and contractors to ensure that scope of work elements are carried 9/1/2012 - Project out as described below 12/31/2015 Management DELIVERABLE: A record of staff time charged to the Project 50,000 2015 The Consultant contract to manage and inspect construction activities DELIVERABLES: • A copy of the duly executed contract agreement between the consultant hired for the Project and the City Construction • A copy of the duly executed contract agreement between the construction 6/1/2014 - Engineering contractor and the City of Tukwila hereafter, the Contract. 105,000 12/31/2015 • Development of a cultural resources plan • Construction monitoring and data recovery if required As follows: Data recovery plan will outline how the City of Tukwila plans to investigate Cultural the site to determine if archeological resources are present, and if so, their 9/1/2012 - Investigation approximate location and depth. Excavate a series of trenches where 298,000 9/1/2015 PAGE 3 OF 7