January 29, 2019 Revision 3 Materials Management Plan 39th Avenue Greenway and Park Hill Detention Denver, Colorado Prepared For: City and County of Denver 200 West 14th Avenue, Department 310 Denver, Colorado 80204 Pinyon Project No.: 1/16-007-05 January 29, 2019 Revision 3 Materials Management Plan 39th Avenue Greenway and Park Hill Detention Denver, Colorado Prepared For: City and County of Denver 200 West 14th Avenue, Department 310 Denver, Colorado 80204 Pinyon Project No.: 1/16-007-05 Prepared by: ____________________ Brian R. Partington Principal Reviewed by: ____________________ Russ Cirillo, P.E. Technical Group Manager - Remediation Version History REV0 January 11, 2018 REV1 March 8, 2018 REV2 September 14, 2018 REV3 January 29, 2019 Table of Contents 1. Introduction ......................................................................................................................................................................... 1 1.1 Proposed Action ....................................................................................................................................................... 1 1.1.1 39th Avenue Greenway ....................................................................................................................................... 1 1.1.2 Park Hill Detention ............................................................................................................................................. 2 1.2 Key Parties and Responsibilities ............................................................................................................................ 2 1.3 Environmental Conditions ...................................................................................................................................... 4 1.3.1 Groundwater ........................................................................................................................................................ 4 1.3.2 Vasquez Boulevard/I-70 ...................................................................................................................................... 4 1.3.3 Historical Railroad Grade .................................................................................................................................. 5 1.3.4 Historical Urban Fill ............................................................................................................................................ 5 1.3.5 Building Demolition and Uncontrolled Fill .................................................................................................... 5 1.3.6 Underground Storage Tanks ............................................................................................................................. 5 2. Health and Safety ................................................................................................................................................................ 6 3. Responsibilities .................................................................................................................................................................... 7 3.1 Denver Responsibilities ........................................................................................................................................... 7 3.1.1 Public Works ........................................................................................................................................................ 7 3.1.2 DDPHE ................................................................................................................................................................... 7 3.2 MMP Supervisor ........................................................................................................................................................ 7 3.3 Certified Asbestos Building Inspector ................................................................................................................. 8 3.4 Environmental Contractor ..................................................................................................................................... 9 3.5 SEMA Responsibilities ............................................................................................................................................ 10 3.5.1 Health and Safety Officer ................................................................................................................................. 11 3.5.2 Tier 1 – Front-Line Workers ......................................................................................................................... 12 3.5.3 Tier 2 – Excavation Workers ......................................................................................................................... 12 3.5.4 Tier 3 – Other Workers ................................................................................................................................. 12 4. Soil ........................................................................................................................................................................................ 13 4.1 Soil Evaluation Criteria .......................................................................................................................................... 13 4.2 Soil Reuse Criteria .................................................................................................................................................. 14 4.2.1 General Reuse Requirements ......................................................................................................................... 15 4.2.2 Use of Soil with Debris .................................................................................................................................... 15 4.2.3 Unrestricted Reuse of Soil............................................................................................................................... 15 4.2.4 Non-Hazardous and Solid Waste Disposal ................................................................................................. 16 4.2.5 Hazardous Waste Disposal ............................................................................................................................. 16 5. Construction Water ........................................................................................................................................................ 17 5.1 Stormwater .............................................................................................................................................................. 17 Table of Contents (continued) 5.2 Groundwater ........................................................................................................................................................... 17 5.3 Saturated Soils ......................................................................................................................................................... 18 6. Material Response Requirements ................................................................................................................................. 19 6.1 Process Flow ............................................................................................................................................................ 19 6.2 Field Screening ......................................................................................................................................................... 21 6.2.1 Looks Bad, Smells Bad ...................................................................................................................................... 21 6.2.2 Debris/HUF Materials ....................................................................................................................................... 21 6.2.3 Field Instruments ................................................................................................................................................ 21 6.3 Soil Sampling ............................................................................................................................................................ 22 6.4 General Soil Stockpiling Requirements ............................................................................................................. 22 6.5 Historical Urban Fill Areas ................................................................................................................................... 22 6.5.1 Solid Waste ......................................................................................................................................................... 22 6.6 Regulated Asbestos-Contaminated Soil ............................................................................................................ 23 6.7 Regulation No. 8 Asbestos-Contaminated Materials ..................................................................................... 23 6.8 Special Wastes ......................................................................................................................................................... 23 6.8.1 Drums or Waste Containers .......................................................................................................................... 24 6.8.2 Slag, Coal, Ash .................................................................................................................................................... 24 6.8.3 Electronic Equipment (PCBs) .........................................................................................................................