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TO: HONORABLE MAYOR AND MEMBERS OF CITY COUNCIL
FROM: DIRECTOR OF PUBLIC WORKS
DATE: OCTOBER 7, 2003
SUBJECT: AGREEMENT WITH THE PALOS VERDES PENINSULA LAND CONSERVANCY FOR HABITAT MITIGATION FOR PUBLIC WORKS PROJECTS.
Staff Coordinator: Nicole Jules, Sr. Engineer
As part of the San Ramon Drainage and Landslide Stabilization project, both the on-site and off-site habitat installation has been completed. Since the completion of the San Ramon project, on-site habitat maintenance has been conducted on an interim basis by PRG, the restoration contractor for the project. Their contract will terminate at the end of October. For the onsite habitat mitigation, ongoing maintenance and monitoring of the restored vegetation is required.
For the off-site habitat mitigation that has been completed at Chandler’s Preserve, ongoing maintenance and monitoring is also required. At the April 2, 2002 Council Meeting, the City Council approved the In Lieu Fee Agreement with the Palos Verdes Peninsula Land Conservancy (PVPLC) for the off-site wetlands mitigation work as related to the San Ramon Drainage and Landslide Stabilization Project. The agreement was a fixed-fee agreement to install the wetlands mitigation only. The in lieu fee agreement did not include a provision for ongoing maintenance nor monitoring of the preserve.
Additionally, as part of the 25th Street Rehabilitation project, the project included construction of two storm drain systems that removed habitat in Shoreline Park. The restoration, maintenance and monitoring of this habitat was not included in the project scope and is needed to satisfy the requirements of the resource agencies.
The resource agencies require continuous maintenance of the wetlands (primarily weed control) over the minimum five-year period. We are currently in year two of five of our off-site mitigation maintenance schedule at Chandler’s Preserve.
Now that the San Ramon Drainage and Landslide Stabilization project is completed, maintenance and monitoring of restored habitat is required to ensure and document the successful completion of the restoration activities. Similarly for the 25th Street Rehabilitation Project, habitat installation, maintenance and monitoring are also needed.
The PVPLC has submitted to the City three proposals to conduct the on-site habitat maintenance at San Ramon, off-site maintenance at Chandler’s Preserve and habitat installation and maintenance at Shoreline Park. The three PVPLC proposals can be seen as Attachments A, B and C. Helix Environmental has submitted a proposal to conduct monitoring at all three locations. Helix’s proposal for habitat monitoring can be seen as Attachment D. Table 1 summarizes the habitat needs at all three locations.
Table 1 – Habitat Needs
* Habitat already installed
A single source proposal for this installation and habitat maintenance was requested from the PVPLC. Their cost proposal compares favorably to the City’s current contractor for those services which were obtained through the public bidding process. Their fees are fair and competitive.
A single source proposal for the habitat monitoring activities was requested from Helix Environmental. This firm is familiar with these projects and is currently providing the same services. Their fees are fair and competitive
San Ramon Canyon On-Site (Maintenance & Monitoring)
On going maintenance is needed for the habitat restoration activities completed as part of the San Ramon Drainage and Landslide Stabilization Project. Maintenance activities include weeding, general maintenance and upkeep, observation, coordination with the City and monthly reports. The PVPLC has proposed the maintenance costs to be $2,300 per month or $27,600 annually.
The monitoring activities related to the San Ramon Canyon include monitoring of habitat installation and maintenance, identification of maintenance concerns, preparation of reports and coordination with the resource agencies. Helix’s proposal is for Year One of the required five-year maintenance monitoring period. Helix Environmental proposes to provide monitoring services at $1,042 per month or $12,500 annually.
San Ramon Off-Site Chandler’s Preserve (Maintenance & Monitoring)
On going maintenance services are needed for the San Ramon Canyon Wetlands mitigation at Chandler’s Preserve. Maintenance activities include weeding, debris removal, erosion control, observation and written reports. The PVPLC proposes to provide maintenance services for $361.90 per month from November 1, 2003 through January 31, 2007 and $133.33 per month from February 1, 2004 through January 31, 2008.
Off-site maintenance monitoring at Chandler’s Preserve is Year Two of the required Five Year monitoring program. Monitoring activities include monitoring habitat installation, report writing and coordination with the resource agencies. Helix Environmental proposes to provide monitoring services for $1,000 per month or $12,000 annually.
Shoreline Park Habitat Services (Installation, Maintenance & Monitoring)
Habitat installation is need at Shoreline Park as a result of construction activities related to the 25th Street Rehabilitation Project, and includes installation of container plants, installation of supplemental irrigation (DriWater), and preparation of reports. The PVPLC proposes to perform the required installation for $21,000.
Maintenance services are required for restored habitat at Shoreline Park. Maintenance activities include weeding, meetings and coordination with the City and resource agencies. This proposal starts Year One of the required five years maintenance activities. The PVPLC proposes to perform the maintenance services for $525 per month or $6,300 annually.
Monitoring for five years is also required to ensure habitat growth is successful. Monitoring services include monitoring habitat installation and maintenance, written reports and coordination with the resource agencies. Helix environmental proposes to provide monitoring services for $2,459 per month or $29,500 annually.
Table 2 summarizes habitat services and its related costs.
Table 2 Summary of Annual Cost