Your SlideShare is downloading. ×
0
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Site 25 Update to Moffett RAB May 10, 2012
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Site 25 Update to Moffett RAB May 10, 2012

2,840

Published on

Published in: Education, Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
2,840
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
1
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  1. Former NAS Moffett FieldSite 25 Remedial Action Update Bryce Bartelma, PG Navy BRAC PMO West May 10, 2012 RAB Meeting
  2. IR Site 25IR Site 25 encompasses approximately 230 acres and was constructed for use as part of the Moffett Field storm water management system since 1953 AOI-14 The Navy is coordinating remedial action activities with NASA as they prepare to conduct their cleanup activities at Area of Investigation (AOI)-14 2
  3. Remedial Design and Remedial Action Work Plan• Final Remedial Design and Remedial Action Work Plan (RD/RAWP) distributed on March 30• Removal of over 32,500 cubic yards of sediment from nearly 32 acres• Planned excavation depths of 0.5 – 1.5 feet below ground surface• Restore vegetated areas with pickleweed and other native grass 3
  4. 2011 Conditions at IR Site 25 4
  5. 2012 Conditions at IR Site 25 5
  6. Step 1: Temporarily Re-routeStorm Water & WATS effluent Storm Water Settling Vault Catch Basin 6
  7. Step 2: Internal Water Management• Cofferdam to isolate polygons requiring remediation• Phased approach to manage water• Field changes based on actual water volumes and/or sensitive habitat 7
  8. Biological Considerations at Site 25 ENDANGERED SPECIES• Salt Marsh Harvest Mouse (SMHM)• California Clapper Rail• Western Snowy Plover• California Least Tern• California Seablight (plant) STATE SPECIES OF CONCERN• Western Pond Turtle (WPT) 8
  9. SMHM Biological Protection Measures PROTECTION MEASURES 1. Visually inspect/clear vegetation prior to removalThanks for cleaning 2. Hand remove pickleweedup the neighborhood! 3. Silt fencing along access points and suitable habitat areas 4. Continuous biological monitoring 5. Coordination with CDFG and USFWS 9
  10. Avian Biological Protection Measures • Completed presence/absence surveys (no endangered species observed) • Ongoing and continuous monitoring for sightings and/or nesting • Provide buffers and make field schedule changes (if observed) • Continued coordination with CDFG and USFWS 10
  11. WPTs at Eastern Diked Marsh?• Minimal standing water at Eastern Diked Marsh diminishes presence• California Department of Fish & Game (CDFG) requests trapping & visual surveys• Two types of trapping: – Basking traps – Hoop traps• Trapping with qualified WPT biologists• Observations (and potential relocations) will be coordinated with CDFG 11
  12. Vegetation Restoration• All vegetation removed during Remedial Action will be restored Pickleweed (excludes EDM and inundated Salicornia mud flats) virginica• Two main types of plantings (potential addition of native hydroseed blend, if deemed appropriate by ecologist) Saltgrass• Minimum of two years monitoring Distichlis and maintenance spicata• Options for irrigation services and additional plantings 12
  13. Schedule• Site Reconnaissance and Mobilization Preparation In Progress• Biological Surveys and Waste Characterization Sampling Ongoing• Water Management Spring 2012• Remedial Action Fieldwork and Vegetation Restoration Summer & Fall 2012• Submit Remedial Action Completion Report Spring 2013 13
  14. Questions? 14

×