PO BOX 960 LAKE ARROWHEAD, CA 92352 (951) 289-5233 [email protected] WWW.ENPLANNERS.COM 1/28/26 (CIRIA2202 Lake Rialto Contract Amend 3 - 01-28-26.docx) January 28, 2026 [email protected] Sachin Chawla, Director of Utilities City of Rialto 150 S. Palm Avenue Rialto, CA 92376 Via email: [email protected] Via email: [email protected] Subject: Contract Amendment No. 3 for Professional Services Related to Focused Coastal California Gnatcatcher Surveys for the Rialto Habitat Nature Center Project (Project CIRIA2202) Dear Mr. Chawla: Enplanners submits this third contract amendment request for the Rialto Habitat Nature Center (RHNC) Project. This request involves focused coastal California gnatcatcher (CAGN) surveys for the Project. The tasks will be performed by our subconsultant Carlson Strategic Land Solutions (CSLS). Generally, the scope of work involves efforts related to a literature review, protocol breeding season surveys, and report preparation. The CSLS letter proposal provides a detailed scope of work and cost estimate, and is included as Attachment A. SCOPE OF WORK The tasks described in Attachment A will be performed in accordance with the “Proposal to Prepare an Initial Study/Mitigated Negative Declaration for the Lake Rialto Habitat Management and Community Open Space Project” dated May 19, 2022, authorized June 15, 2022. These tasks include: 1. Literature Review – this task includes a review of databases and prior reports in the area. 2. Protocol Breeding Season Surveys – all suitable habitats will be surveyed for CAGN. According to the CAGN protocol, six surveys must be conducted between March 15 and June 30, with each survey separated by one week. 3. Reporting – According to the protocol, a report of the results must be submitted to the USFWS within 45 days from the last survey. COST ESTIMATE The tasks described above will be performed on a time-and-materials basis and billed monthly not to exceed $11,055.00, in accordance with the “Proposal to Prepare an Initial Study/Mitigated Contract Amendment No. 2 Rialto Habitat Nature Center Project 1/28/26 (CIRIA2202 Lake Rialto Contract Amend 3 - 01-28-26.docx) 2 Negative Declaration for the Lake Rialto Habitat Management and Community Open Space Project” dated May 19, 2022, authorized June 15, 2022. Total charges include $10,050.00 in CSLS’s charges plus $1,005.00 in Enplanners charges. The following table summarizes the cost estimate for each task. Task Cost Estimate Task 1: Literature Review and notification letter (CSLS) Task 2: Focused Surveys (CSLS) Task 3: Results Report (CSLS) Task 4: Project Management and Meetings with City (Enplanners) Total Subconsultant Fees $10,050.00 Total Enplanners Fees $1,105.00 Total Amendment No. 3 $11,155.00 Original Contract $68,075.00 Amendment No. 1 $119,586.00 Amendment No. 2 $72,925.00 Amendment No. 3 $11,155.00 Original contract plus Amendments 1, 2 and 3 Total $271,741.00 AUTHORIZATION Enplanners and CSLS can begin work upon your authorization. As noted by CSLS, the surveys should be scheduled as soon as possible and no later a start date of March 10th. Upon receipt of notice to proceed and subsequent change order, work will start immediately. If you have questions or need additional information, please feel free to contact me at (951) 289-5233 or [email protected]. Sincerely, Raymond V. Hussey, AICP President Attachment: Proposal for Focused coastal California gnatcatcher Surveys for the Rialto Habitat Nature Center Project, CSLS, January 27, 2026
CARLSON STRATEGIC LAND SOLUTIONS, INC.
Carlson Strategic Land Solutions | 27134A Paseo Espada, Suite 323, San Juan Capistrano, California 92675
January 27, 2026
Sachin Chawla
Toyasha Sebbag
City of Rialto
Transmitted via email
Subject: Proposal for Focused coastal California gnatcatcher Surveys for the Rialto Habitat Nature Center Project
Dear Sachin and Toyasha:
Thank you for providing Carlson Strategic Land Solutions (CSLS) the opportunity to submit this proposal for focused costal California Gnatcatcher (CAGN) surveys. Based on conversations with the US Fish and Wildlife Service, focused CAGN surveys are being requested due to the critical habitat occurring within 2 miles of the Project site. The focused CAGN surveys will be conducted by a USFWS permitted biologist.
The scope of work includes:
1. Literature Review – this task includes a review of databases and prior reports in the area.
2. Protocol Breeding Season Surveys – all suitable habitats will be surveyed for CAGN.
According to the CAGN protocol, six surveys must be conducted between March 15 and June 30, with each survey separated by one week.
3. Reporting – According to the protocol, a report of the results must be submitted to the USFWS within 45 days from the last survey.
Given the timing and demand for surveys, the surveys should be scheduled as soon as possible to hold a spot and work (literature review) must begin on March 10 th.
Below is our proposal to conduct those tasks.
Task Costs
1. Focused Protocol CAGN (6) Surveys
• Literature Review and notification letter
• Focused Surveys
• Results Report
$10,050
We bill monthly based on time and materials only for the hours worked with invoices due upon receipt, in accordance with the following billing rates.
• President - $245
• Project Manager - $175
• Field Biologist - $135
CAGN Scope Proposal
January 27, 2026
Carlson Strategic Land Solutions | 27134A Paseo Espada, Suite 323, San Juan Capistrano, California 92675 If our hourly assumptions exceed actual time spent, our billing will only reflect the hours worked on the task. If our assumptions underestimate a task due to project changes, we will submit a change order prior to proceeding. We strive to work quickly a nd efficiently to create a successful project as cost effectively as possible.
Miscellaneous expenses, such as reprographics, Federal Express, photo processing, and postage are billed as reimbursable expenses for the actual cost. Thank you for the opportunity to submit this proposal and look forward to working with you. Please conta ct me at 949-289- 3625 with any questions.
Sincerely,
Peter K. Carlson
President
I hereby authorize and approve the proposal described above and authorize work to begin immediately.
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