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More Info on Seaplane Lagoon Clean-up

We contacted Patrick Brooks, the BRAC Environmental Coordinator for Alameda Point about the clean-up activities at the northern edge of the Seaplane Lagoon at Alameda Point. Here’s what he said.


The debris piles that we observed sitting on the surface of the tarmac immediately to the north of the Seaplane Lagoon come from two sources: a) excavation of debris from the Seaplane Lagoon itself; and b) excavation storm drain lines around Buildings 5 and 400 which are in the vicinity of City Hall West. Mr. Brooks notes that excavation of the debris from the lagoon proper is being conducted at low tide, so that no water is being removed with the debris. Here is Mr. Brook’s explanation to us verbatim:

Two cleanup projects are responsible for the soil and piping staged on the tarmac adjacent to Seaplane Lagoon.

1) Debris piles are being removed from the northern edge of Seaplane Lagoon. Most of the excavation is being conducted at low low tide, so you may not have seen the excavation part of the project. We estimate approximately 25,000 cubic yards of material will be removed to complete the project. The soil and debris staged on the tarmac has been tested and is being hauled to an appropriate disposal facility, or recycled.

2) Storm drain lines are being removed as part of a separate project. Waste discharge from these lines is the likely source of contaminants in Seaplane Lagoon sediments for which dredging will be done. The overall cleanup plan for Seaplane Lagoon addresses the piping before the lagoon is dredged. We are currently removing and replacing storm drain lines around Buildings 5 and 400. The soil, piping and debris staged on the tarmac has been tested and is being hauled to an appropriate disposal facility, or recycled.

3) Update for Seaplane Lagoon Dredging: We have awarded a contract to complete the dredging in Seaplane Lagoon. We need to finalize the planning documents with the regulatory agencies and hope to begin fieldwork this summer.

Mr. Brooks also provided this illustration showing the source of the debris excavated from the lagoon.

One of two debris piles excavated from the Seaplane Lagoon

One of two debris piles excavated from the Seaplane Lagoon

Separately, we found this summary of the contract award to Tetra Tech of San Diego for the storm drain removal:

Tetra Tech EC Inc., San Diego, Calif., is being awarded $10,320,731 for cost plus award fee task order #0016 under a previously awarded Remedial Action Contract (N62473-07-D-3211) for Installation Restoration Sites 5 and 10 Operable Unit 2C Buildings 5 and 400 Storm Drain and Sewer Line Time Critical Removal Action at Alameda Point. The work to be performed provides for additional research and investigation as necessary of previous storm and sewer line investigations and removal work at Operable Unit 2C, Installation Restoration Sites 5 and 10. Complete the Time Critical Removal Action field activities, including removal of the storm and sewer lines. Work will be performed in Alameda, Calif., and is expected to be completed by Dec. 2009. Contract funds will not expire at the end of the current fiscal year. The Naval Facilities engineering Command Southwest, San Diego, Calif., is the contracting activity.

SunCal Companies is proposing to build just over 4,000 homes at Alameda Point. Their final draft master plan documenting their proposal is due to the City by December 19th, 2008 and will go before City Council sitting as the Alameda Re-use and Redevelopment Authority on January 7th, 2009.

1 comment to More Info on Seaplane Lagoon Clean-up

  • Hello webmaster, I found your blog in a new directory of blogs. I dont know how your blog came up, must have been a typo, I dunno, wasnt even looking for drain cleaning information. Anyways, I just clicked on your “Info on Seaplane Lagoon Clean-up” post and here I am. Your blog looks good. Have a nice day. Peter.

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