SLIDE 1
INTRODUCTIONS
- City of San Francisco Recreation
and Parks Department
- Regional Water Quality Control
Board Case Officer
- Anchor QEA, LLC
- Boudreau Associates
2 April 16, 2020
900 INNES REMEDIATION VOLUNTARY SITE CLEAN-UP PRESENTED BY CHARLENE - - PowerPoint PPT Presentation
900 INNES REMEDIATION VOLUNTARY SITE CLEAN-UP PRESENTED BY CHARLENE - - PowerPoint PPT Presentation
900 INNES REMEDIATION VOLUNTARY SITE CLEAN-UP PRESENTED BY CHARLENE ANGSUCO, PROJECT MANAGER, SFRPD PRESENTED APRIL 16, 2020 SAN FRANCISCO RECREATION AND PARKS City of San Francisco Recreation and Parks Department Regional Water Quality
SLIDE 2
SLIDE 3
April 16, 2020 3
PROJECT LOCATION
SLIDE 4
April 16, 2020 4
SITE HISTORY
- 1969. Photo of Scow Schooner (Alma) being repaired at 900 Innes
(Courtesy: Maritime Research Center, SF Maritime National Historical Park)
- 1976. Photo of Shipwright’s Cottage (Courtesy: SF Planning Department)
SLIDE 5
SITE HISTORY - SLIPWAY
5 April 16, 2020
SLIDE 6
6 April 16, 2020
SITE CONDITIONS
SLIDE 7
7 April 16, 2020
SITE CONDITIONS
SLIDE 8
8 April 16, 2020
SITE CONDITIONS
SLIDE 9
April 16, 2020 9
SITE CONDITIONS
SLIDE 10
SITE CONDITIONS
10 April 16, 2020
SLIDE 11
April 16, 2020 11
SITE CONDITIONS
SLIDE 12
REMEDY DEVELOPMENT PROCESS & IMPLEMENTATION
- Acquisition and Preliminary Site Investigations
- Extensive Site Investigations and Environmental
Review
- Remedial Design Development
- Regional Water Quality Control Board RAP Public
Process
- State and Federal Permitting and Remedial
Design Refinement
- Implementation & Close Out
April 16, 2020 12
SLIDE 13
OVERALL CLEANUP APPROACH AND GOALS
- Compatible with park/public use
- Remedy provides a high level of health
protection
- Remove surface soil (on land) and
sediments (in water) across entire site
- Replace surface with clean fill material
- Backfill prevents exposure to underlying
native soil
13 April 16, 2020
SLIDE 14
REMEDIATION OVERVIEW
14 April 16, 2020
Excavate 4 feet and backfill (purple) Capping Areas Excavate 5 feet and backfill (yellow) Excavate 2 feet and backfill (green) Temporary Water Barrier
SLIDE 15
MAP OF STRUCTURES IN BCDC JURISDICTION
April 16, 2020 15
SLIDE 16
QUANTITIES OF FILL REMOVED AND REPLACED IN BCDC JURISDICTION
Activities within BCDC Bay Jurisdiction (below MHW) Fill Removed Fill Placed Area (sf) Volume (cy) Area (sf) Volume (cy) Removal of Structures 12,649 (0.29 acres) 316.4
- Sediment Remediation
38,833 (0.88 acres) 7,200 38,833 (0.88 acres) 7,400 Areas 1 and 2 localized sand cover/cap NA NA 17,424 (0.4 acres) 800 Temporary fill – Water Barrier NA NA 9,148 (0.21 acres) 3,407
Total Fill
- 65,405
11,611
Net Fill
17,427 1,000 Opening the bay (Post-remediation) Total Bay surface area
- pened from removal of
structures 12,649 sf (0.29 acres)
April 16, 2020 16
SLIDE 17
QUANTITIES OF FILL REMOVED AND REPLACED IN BCDC JURISDICTION
Activities within BCDC Shoreline Band Jurisdiction
Fill Removed Fill Placed
Area (sf) Volume (cy) Area (sf) Volume (cy) Solid Fill from removal of structures 25,714 NA
- Soil Remediation
78,408 11,600 78,408 11,600
April 16, 2020 17
SLIDE 18
INTERIM PATH
- BCDC condition of development
- Construction conditioned on
timing of future development of 900 Innes Park
April 16, 2020 18
SLIDE 19
GRANT PARTNERSHIPS
19 April 16, 2020
900 Innes (Rec Park) Brownfields Program & Water Division
State of California
SLIDE 20
CORE PARTNERS
April 16, 2020 20
SLIDE 21
EDP PROCESS
21 April 16, 2020
SLIDE 22
FUTURE PUBLIC PARK
22 April 16, 2020
SLIDE 23
FUTURE PUBLIC PARK
23 April 16, 2020
SLIDE 24
Charlene.Angsuco@sfgov.org http://www.ibwaterfrontparks.com
24 April 16, 2020