Vegetation_Abatement_Task_Order_SOW__001_0001.docx

Vegetation Abatement IDIQ Task Order and Statement of Work (SOW) IDIQ #: TBD Task Order #: 001 For: USGS Earthquake Science Center, Northern California Seismic Network USGS Contract Contact: Dave Croker, croker@usgs.gov, 650-465-4334 USGS Technical Contact: Ryan Presser, rpresser@usgs.gov, 650-422-4620 Period of Performance: start: when PO is fully executed; end: 4 months after PO completion. Contact name will be available for updates.

Project Tasks (as defined in Task Order SOW): See Table 1 attached as a pdf Location(s): Various locations within northern California (see Table 1 and Appendix A)

SOW/Description:

Review Table 1 attached separately as a pdf file.

For all locations in Table 1 and shown on the map in Appendix A listed with Task 1a required, review the information attached below in Appendix B and in Table 1 and generate a bid for vegetation removal and disposal based on that information. If the task is not clear from the information provided, please reach out to the technical contact listed above prior to providing a bid. Also provide a quote for Task 2 and 3 (if requested) activities for these stations.

For all locations in Table 1 listed with Task 1b required, use the maps and information provided below in Appendix C to generate a bid for site reconnaissance visits to those stations. If the bid is accepted, perform Task 1b. Once Task 1b is completed, provide a second quote for Task 2 and 3 (if requested) activities for these stations based on the findings from the reconnaissance visit and subsequent report.

Appendix D lists information about optional ground cover if requested in Table 1. Use this information to support your Task 3 quotes.

When the quotes are approved, perform Tasks 2 and 3 (if requested), unless during a Task 1b reconnaissance visit it is determined that no vegetation needs to be cleared (to be coordinated with USGS technical contact).

USGS will contact landowners at each of the sites and will provide escort at most locations. Please respect landowner’s property.

Appendix A Map of Stations in Table 1

Appendix B Desktop Survey Station Details and Information (Task 1a Stations) Station: GDCB Description: Weed whack, weed barrier and add gravel around instrument enclosure and tower concrete base. Drop or trim two trees across the road to improve line of site to Oak Ridge.

Photos/Mockups:

Station: GDXB Description: Remove all brush by the roots around all three vaults and solar panels.

Station: GHGB Description: Remove all brush by the roots around all three vaults and weed whack weeds.

Station: GRT Description: Remove all brush by the roots around all three vaults and weed whack weeds.

Station: GSN Description: Remove all brush by the roots around both enclosures. Cut down trees and possibly trim a tree or two.

Station: GSX Description: Remove all brush by the roots around all three enclosures.

Station: GWKB Description: Remove all brush by the roots around both enclosures.

Station: NEA Description: Inside corral, remove all grass then lay weed block and add 4” of gravel. Corral enclosure is approximately 432 sqft.

Station: NWS Description: Remove all brush by the roots around both enclosures. Access road is narrow and may need low hanging branches removed. Recommend UTV or similar vehicle to travel to site, staging area at mouth of canyon.

Station: NBC Description: Weed whack and Brush removal around site. Add weed barrier 6’ around each block, and then add gravel 4” deep.

Appendix C On-site Survey Station Details and Information (Task 1b Stations) Station: GPM Description: Brush removal around site with tree trimming.

Map(s):

Station: NTR Description: Brush and tree removal around site. Some tree trimming and weed whacking.

Map(s):

Appendix D Ground Cover Station Details and Information (Task 3 Stations)

Station: GDCB Description: Remove weeds around tower concrete base and around green instrument enclosure, then add weed barrier and 4” of gravel.

Approximate area of ground cover treatment: 10’x10’=100 sqft. Around the tower and 6’x6’=36 sqft.

Station: NEA Description: Remove weeds in coral, then add weed barrier and 4” of gravel.

Approximate area of ground cover treatment: 12’x36’=432 sqft.

Station: NBC Description: Remove weeds around both enclosures, then add weed barrier and 4” of gravel Approximate area of ground cover treatment: 6’x6’=36 sqft. around the solar enclosure and 6’x6’=36 sqft. around the instrument enclosure.

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