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File #: 12916   
Type: Consent Status: Passed
File created: 9/15/2025 Department: Multijurisdictional Items
On agenda: 9/23/2025 Final action: 9/23/2025
Subject: Contracts for On-Call Professional Geotechnical and Geological Services
Attachments: 1. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Ninyo & Moore, 2. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Shannon & Wilson, 3. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Terracon Consultants, 4. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Tetra Tech, 5. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Twining Inc., 6. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Verdantas Inc, 7. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Yeh and Associates, 8. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Aragon Geotechnical Inc_, 9. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Earth Systems Pacific, 10. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Geocon West, Inc, 11. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Geo-Logic Associates, 12. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Koury Eng & Testing, Inc., 13. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Ninyo & Moore, 14. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Shannon & Wilson, 15. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Terracon Consultants, 16. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Tetra Tech, 17. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Twining Inc., 18. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Verdantas Inc, 19. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services-Yeh and Associates, 20. EXH-MULTI-090925 On-Call Professional Geotechnical and Geological Services - Converse Consultants EXHIBIT A, 21. EXH-MULTI-092325 On-Call Geotechnical and Geological Professional Services - Shannon & Wilson EXHIBIT A, 22. EXH-MULTI-092325 On-Call Geotechnical and Geological Professional Services - Terracon EXHIBIT A, 23. EXH-MULTI-092325 On-Call Geotechnical and Geological Professional Services - Tetra Tech EXHIBIT A, 24. EXH-MULTI-092325 On-Call Geotechnical and Geological Professional Services - Twining, Inc. EXHIBIT A, 25. EXH-MULTI-092325 On-Call Profesional Geotechnical and Geological Services - Geocon West, Inc EXHIBIT A, 26. EXH-MULTI-092325 On-Call Professional Geotechnical and Geological Services - Aragon Geotechnical, Inc. EXHIBIT A, 27. EXH-MULTI-092325 On-Call Professional Geotechnical and Geological Services - Earth Systems Pacific EXHIBIT A, 28. EXH-MULTI-092325 On-Call Professional Geotechnical and Geological Services - Koury Eng & Testing, Inc. EXHIBIT A, 29. EXH-MULTI-092325 On-Call Professional Geotechnical and Geological Services - Ninyo & Moore EXHIBIT A, 30. EXH-MULTI-092325 On-Call Professional Geotechnical and Geological Services - Verdantas Inc EXHIBIT A, 31. EXH-MULTI-092325 On-Call Professional Geotechnical and Geological Services - Yeh and Associates EXHIBIT A, 32. EXH-MULTI-092325 On-Call Professional Geotechnical and Geological Services-Geo-Logic Associates EXHIBIT A, 33. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services - Converse Consultants, 34. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Aragon Geotechnical, Inc., 35. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Converse Consultants, 36. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Earth Systems Pacific, 37. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Geocon West, Inc, 38. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Geo-Logic Associates, 39. CON-MULTI-092325-On-Call Professional Geotechnical and Geological Services(County)-Koury Eng & Testing, Inc.
REPORT/RECOMMENDATION TO THE BOARD OF SUPERVISORS
OF THE FOLLOWING:
SAN BERNARDINO COUNTY
BOARD GOVERNED COUNTY SERVICE AREAS
AND RECORD OF ACTION

REPORT/RECOMMENDATION TO THE BOARD OF DIRECTORS
OF THE FOLLOWING:
BIG BEAR VALLEY RECREATION AND PARK DISTRICT
BLOOMINGTON RECREATION AND PARK DISTRICT
AND RECORD OF ACTION

September 23, 2025

FROM
NOEL CASTILLO, Director, Department of Public Works - Special Districts

SUBJECT
Title
Contracts for On-Call Professional Geotechnical and Geological Services
End

RECOMMENDATION(S)
Recommendation
1. Acting as the governing body of San Bernardino County, approve contracts with the following contractors to provide on-call professional geotechnical and geological services, on an as-needed basis, in an amount not-to-exceed $1,000,000 per contract, from September 23, 2025 to June 30, 2030:
a. Aragon Geotechnical, Inc.
b. Converse Consultants
c. Earth Systems Pacific
d. Geocon West, Inc.
e. Geo-Logic Associates
f. Koury Engineering & Testing, Inc.
g. Ninyo & Moore Geotechnical & Environmental Sciences Consultants
h. Shannon & Wilson
i. Terracon Consultants, Inc.
j. Tetra Tech BAS, Inc.
k. Twining, Inc.
l. Verdantas Inc.
m. Yeh and Associates, Inc.
2. Acting as the governing body of all County Service Areas and their Zones, approve joint contracts between all County Service Areas and their Zones, Big Bear Valley Recreation and Park District, Bloomington Recreation and Park District and with the following contractors to perform on-call professional geotechnical and geological services, on an as-needed basis, in a total amount not-to-exceed $1,000,000 per contract, from September 23, 2025 to June 30, 2030:
a. Aragon Geotechnical, Inc.
b. Converse Consultants
c. Earth Systems Pacific
d. Geocon West, Inc.
e. Geo-Logic Associates
f. Koury Engineering & Testing, Inc.
g. Ninyo & Moore Geotechnical & Environmental Sciences Consultants
h. Shannon & Wilson
i. Terracon Consultants, Inc.
j. Tetra Tech BAS, Inc.
k. Twinin...

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