Slope Stabilization and Landslide Prevention Seminar
DISCLAIMER
Before purchasing, review the rules of your licensing or certifying entity. It is your responsibility to confirm this course meets your CE requirements. See the credit tab on the course page for details.
What’s Included: Full webinar recording, written course materials, expert instruction, a mandatory quiz, and a certificate upon completion.
Deliverability Timeline: All courses are generally available within 1-2 weeks after the live presentation.
CE Credits: AIA and/or LA/CES accreditation is available by request for courses recorded prior to March 11, 2026. All courses after that date include those accreditations by default, if applicable. With these accreditations, our courses qualify for credit in nearly all states for engineers, surveyors, architects, and landscape architects.
Learn more about the on-demand format in our FAQ or contact us at (715) 835-5900 or customerservice@halfmoonseminars.org
Agenda
Registration: 8:00 – 8:30 am
Morning Session: 8:30 – 11:45 am
Lunch (On your own): 11:45 am – 12:45 pm
Afternoon Session: 12:45 – 4:00 pm
Analyzing the Stability of Slopes D. Kowalewsky
Evaluating types of slopes
• Natural slopes
• Engineered slopes
Reviewing geologic conditions
Examining soils and topography
Evaluating surface and groundwater conditions
Methods of slope failure
• Rock fall and rockslides
• Slump
• Mudslides
Methods of slope analysis
Case studies
Question and answer
Slope Stabilization Methods B. Tiwari
Unloading
Buttressing
Draining
Reinforcing
Installing retaining walls
Use of vegetation
Surface protection
Soil engineering
Rock slope stabilization
Reviewing Slope Stabilization Case Studies B. Tiwari
Credits
Architects
6.0 AIA HSW Learning Units
Professional Engineers
6.0 CE Hours
Landscape Architects
6.0 LA CES HSW PDHs
Floodplain Managers
6.0 ASFPM CECs
Contractors
6.0 CE Hours
Continuing Education Credit Information
This seminar is open to the public and offers a continuing education opportunity to California architects, professional engineers, landscape architects and floodplain managers. Continuing education is not required for license maintenance or renewal in California.
This seminar is approved by the American Institute of Architects for 6.0 HSW Learning Units (Sponsor No. J885), the Association of State Floodplain Mangers for 6.0 CECs, and course approval is pending from the Landscape Architect Continuing Education System.
HalfMoon Education is an approved continuing education sponsor for architects in Florida and is deemed an approved sponsor for architects and landscape architects in New York. HalfMoon Education is an approved continuing education sponsor for engineers in Florida, Indiana, Louisiana, Maryland, New Jersey (Approval No. 24GP00000700),New York (NYSED Sponsor No. 35), North Carolina, and North Dakota.
This course also offers a continuing education opportunity for construction contractors. Credit approval is not being sought in any state with a contractor continuing education requirement.
Attendance will be monitored, and attendance certificates will be available after the seminar for most individuals who complete the entire event. Attendance certificates not available at the seminar will be mailed to participants within fifteen business days.
Speakers
Donald Kowalewsky
Donald B. Kowalewsky is chief geologist of Donald B. Kowalewsky Environmental & Engineering Geology in Malibu. Since 1980, his experience includes geologic consulting for the city of Calabasas; landslide stabilization studies in Malibu, Sherman Oaks, Tarzana, and Woodland Hills; and expert witness research and testimony for various landslide, debris flow, drainage and land use-related litigation. From 1980-1987 he was engineering geologist for the Los Angeles County Department of Public Works, responsible for review and approval of all new development including subdivisions, and for grading and construction of new homes, as well as training of other geologists in field and investigation practices. From 1975-2010 he was an adjunct professor for Loyola-Marymount University in Los Angeles. Mr. Kowalewsky’s education includes a Bachelor of Science degree in Geology from California State University, Long Beach, and graduate studies in Engineering Geology at the University of Southern California. He is a member of the Association of Engineering Geologists and the Earthquake Engineering Research Institute.
Binod Tiwari
California State University, FullertonCalifornia State University, Fullerton
Dr. Tiwari is a professor in the Civil and Environmental Engineering Department of California State University, Fullerton. He earned his Ph.D. degree in Geotechnical Engineering in 2003 and is expert in the fields of slope stability and stabilization, landslide mitigation, applied GIS, soil behavior and characterization, and geotechnical earthquake engineering. Dr. Tiwari is a member of various technical committees for ASCE and the International Society for Soil Mechanics and Geotechnical Engineering, and he is editor as well as reviewer for various international journals. He was post-doc at Niigata University, Japan, and at Virginia Tech for more than three years prior to joining CSUF in the fall of 2006. Dr. Tiwari is a licensed professional engineer in the state of California and has more than 20 years experience in design and implementation of projects pertinent to slope stability and stabilization.