Michael J. Sprock
President
EDUCATION
B.A., Earth Sciences/Geography
California State University, Northridge
REGISTRATIONS/CERTIFICATIONS
Registered Environmental Assessor
State of California, REA-03004
Licensed Deputy Grading Inspector, City of Los Angeles (1995)
OSHA 40-hour Health and Safety Training for Hazardous Waste Workers
MEMBERSHIPS
California Geotechnical Engineers Association (CGEA)
Guest Speaker “Hillside Grading & Geology” 1995-96 Seminars Northern & Southern California
PUBLICATIONS
Michael J. Sprock, "Introduction to Hillside Grading", Library of Congress, Washington D.C.,Copyright 1988
EXPERIENCE
(1976 - PRESENT) Responsible for major projects in California, and the Southwestern United States. Duties included client consultation, scheduling of exploration and personnel, geologic/geotechnical analyses and report preparation, and review of technical reports.
Typical projects have included high-rise structures, commercial complexes, flatland and hillside residential subdivisions; conducted geologic hazard evaluations and earthquake studies, distress evaluation studies, subsurface explorations, geotechnical site assessments, foundation distress investigations, and phase I and II environmental site assessments, and property pre-sale evaluations.
Chris Lillback
Chief Engineer
EDUCATION
B.S., Civil Engineering, California State University, Northridge
REGISTRATION/CERTIFICATIONS
State of California, Registered Civil Engineer
State of California, Registered Environmental Assessor
MEMBERSHIPS
American Society of Civil Engineering
National Society of Professional Engineers
California Society of Professional Engineers
Structural Engineering Association of Southern California
International Society of Earthquake Engineering
International Society of Soil Mechanics
EXPERIENCE
(1978 - PRESENT) Responsible for major projects throughout Northern and Southern California. Duties included client consultation, proposals for master planned communities, municipalities, hospitals, industrial tracts, and highrise buildings, environmental assessments, geological and seismic considerations, engineering analysis, design recommendations, forensic engineering, expert witness. Responsibilities also included supervision of field exploration, drilling operations, logging, soil sampling, and piezometer installation. Field inspections have included observation of foundation excavations, soldier piles, driven and drilled foundation piles, tied-back anchors in hillside, coastal, and flatland areas.
Conrad H. Carrle
Principal Engineering Geologist
EDUCATION
B.A., Geography, Environmental Studies Specialization, University of California Los Angeles, Los Angeles, California
B.S., Geology, California State University Northridge, Northridge, California
REGISTRATIONS/CERTIFICATIONS
Registered Geologist State of California
Registered Engineering Geologist State of California
Radiation Safety Officer
EXPERIENCE
(1998 - PRESENT) Responsible for evaluation of geologic conditions as they relate to a wide spectrum of engineered projects since 1998 during pre-construction and monitoring of ongoing grading projects.
Previous projects include; preliminary report preparation for single-family residences, commercial and industrial projects in hillside and flatland areas, as well as remodels of existing structures.
Professional responsibilities include preliminary project evaluation, preliminary site assessment including geologic mapping of site, material sampling, logging of test holes, site seismic hazard evaluation, fault trench logging and analyses, slope stability analysis, landslide investigation and mitigation, structure distress evaluation with mitigation recommendations, field observation with geologic mapping during preliminary and construction phases of projects, preparation of geologic/geotechnical reports, percolation testing and system design, and geologic evaluation of groundwater levels follow-up and response to reviewing agency inquiries.
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