|
Theodore V. Hromadka II, Ph.D., Ph.D., Ph.D., P.H., P.E.
Principal Engineer
LITIGATION HISTORY:
(CASES PROCEEDED AFTER EXPERT EVALUATION)
|
Time Frame |
Deposition
|
Trial
|
Claim
|
| Client Confidential |
1997 |
N |
N |
2,000,000 |
| Soil contamination; fuel oil; three sites of groundwater contamination. |
|
| Client Confidential |
2000-2001 |
N |
N |
2,000,000 |
| Two flood events. Radar/rainfall analysis, statistics, hydrology, hydraulics |
|
| Client Confidential |
1984 |
Y |
Y |
2,000,000 |
|
1986 |
Y |
Y |
1,000,000 |
|
1991 |
Y |
Y |
1,500,000 |
|
1992 |
Y |
Y |
1,000,000 |
|
1994 |
Y |
N |
3,000,000 |
| Landslide failure of homes. Erosion, flood flow analysis, hydrology, hydraulics, construction practices, landslide failure, seepage, irrigation, beach drainage, debris basin design, weatherproofing slide. |
|
| Client Confidential |
1992 |
N |
N |
5,000,000 |
| Flood flows and diversion of flows onto landowners. Hydrology, hydraulics, floodplain analysis. |
|
| Client Confidential |
2006 |
Y |
N |
5,000,000 |
| Floodplain determination, debris flow, Doppler radar, hydraulics, Dam storage. |
|
| Client Confidential |
1998 |
N |
N |
20,000,000 |
| Derailment of passenger train. Dam outflow, sediment transport, hydrology, hydraulics, erosion, scour. |
|
| Client Confidential |
2000-2001 |
Y |
Y |
1,000,000 |
| Hydrology, hydraulics, rainfall, radar, friction factors. |
|
| Client Confidential |
1989-90 |
N |
N |
2,000,000 |
| Flood Damage due to Sacramento levee failure in Delta farmlands. Hydrology, hydraulics, floodplain analysis, soil-water seepage, groundwater flow, levee erosion. |
|
| Client Confidential |
1997-98 |
N |
N |
1,000,000 |
| Flood analysis of a sump area near Los Angeles International Airport. Hydraulics, hydrology, damage evaluation. |
|
| Client Confidential |
1995-96 |
N |
N |
3,000,000 |
| Sediment transport, flooding events, for Jan. 4 and Jan. 10, 1995, storm events in Laguna Canyon, CA. Debris, Hydrology, fire effects, sediment transport, hillside erosion, coastal effects. |
|
| Client Confidential |
1989-92 |
Y |
N |
8,000,000 |
| Floodplain and development impacts due to off-site land form changes caused by neighboring commercial development. Investigation of alternative development schemes, costs, storm drain, hydrology, hydraulics, master planning, farmland inundation. |
|
| Client Confidential |
2001 |
|
|
1,000,000 |
|
2002 |
|
|
3,000,000 |
| Weather, phase change, moisture. Sand transport in fluids, atmospheric transport. |
|
| Client Confidential |
2000-2001 |
N |
N |
2,000,000 |
| Erosion, flooding, hydrology, hydraulics. |
|
| Client Confidential |
1997-98 |
Y |
N |
2,000,000 |
| Sediment transport, hydrology, hydraulics, DNAPL, LNAPL, contaminated groundwater transport, PCB transport in dilution and sediment. |
|
| Client Confidential |
1991 |
Y |
N |
2,000,000 |
| Storm flow damage in developed canyon area. Hydrology, hydraulics, rainfall-runoff modeling, floodplain analysis. |
|
|
| Client Confidential |
2008-2011 |
Y |
N |
– |
| Groundwater modeling using MODFLOW, perchlorate source identification, plume analysis, long term history |
|
| Client Confidential |
2003-2004 |
N |
N |
7,000,000 |
| Groundwater modeling. BTEX. Cement kiln dust, TDS, chlorinated hydrocarbons. Geochemistry. Fractured media. |
|
| Client Confidential |
2000 |
N |
N |
5,000,000 |
| Sediment transport analysis of Santa Paula River, California. Erosion. Loss of land area. |
|
| Client Confidential |
1990 |
Y |
N |
2,500,000 |
|
1990-91 |
N |
N |
500,000 |
|
1994 |
N |
N |
2,000,000 |
| Storm flow damage due to overflow of 100-square mile catchment regional storm channel into sewage treatment plant. Hydrology, hydraulics, rainfall-runoff analysis, floodplain analysis, sedimentation, sediment transport, erosion, alternatives analysis. |
|
| Client Confidential |
2010-2012 |
Y |
Y |
3,000,000 |
Soil water percolation. Leaking pipes assessment. Rainfall runoff. Water budget. Irrigation. ET. Soil
movement. |
|
| Client Confidential |
1992-94 |
Y |
Y |
1,000,000 |
| Desert hydrology, hydraulics, floodplain analysis. Alluvial fan analysis. Gravel/mining operation impacts on alluvial flows. Sediment transport. Culvert and backwater analysis. Erosion and sand deposition. |
|
| Client Confidential |
2007 |
Y |
– |
10,000,000 |
| La Costa. Landslide hydrology. Irrigation. Rainfall. |
|
| Client Confidential |
1999 |
Y |
Y |
2,000,000 |
| Erosion analysis, landslide, diversion of stormwater. |
|
| Client Confidential |
1985-87 |
N |
N |
100,000,000 |
| Landslide failure potential due to groundwater and soil water seepage effects. Groundwater analysis, rainfall-runoff modeling, soil hydrology, groundwater computer modeling. |
|
| Client Confidential |
1991-92 |
JAMS |
JAMS |
800,000 |
| Floodplain analysis of diversion flows on Plaintiff’s property. Hydrology, hydraulics, storm drain design, mitigation measures, erosion, sedimentation, cost estimates, sediment transport. |
|
| Client Confidential |
1990-92 |
N |
N |
1,500,000 |
| Seepage damage to townhomes. Groundwater analysis, site testing, seepage analysis. |
|
|
Client Confidential
|
2009 |
Y |
Y |
|
Rainfall analysis, infiltration analysis, landslide, water budget
|
|
| Client Confidential |
2001 |
N |
N |
1,000,000 |
| Rainfall, runoff, stormwater. |
|
| Client Confidential |
1996 |
Y |
N |
2,500,000 |
| Groundwater flow, seepage, irrigation, water usage, grading. |
|
| Client Confidential |
1999 |
N |
N |
40,000,000 |
| State of California Supreme Court Case: Akins vs. State of California (1) Flooding; apportionment of damages; levees; maintenance; monitoring. |
|
| Client Confidential |
1997 |
Y |
Y |
3,000,000 |
| Continuous simulation hydrology; wetlands; groundwater issues; hydrologic cycle. |
|
| Client Confidential |
1991-92 |
Y |
Y |
2,500,000 |
| Storm flow analysis of on and off-site storm drain system through Plaintiff’s property. Hydrology, hydraulics, storm drain design, sedimentation, soil-water seepage, piping, cost estimates. |
|
| Client Confidential |
2007-09 |
Y |
– |
20,000,000 |
| Rainfall, Doppler analysis, geomorphology, dam breach, dam-break hydraulics. |
|
| Client Confidential |
2001 |
|
|
1,000,000 |
|
2010-2011 |
Y |
Y |
10,000,000 |
| Hydrology, hydraulics, sediment transport, debris, wetlands. Landslide analysis, rainfall analysis, groundwater transport, sediment transport. |
|
| Client Confidential |
2000-2002 |
N |
N |
12,000,000 |
| Don Pedro Dam operations, flow release, cloud seeding, hydrology, two-dimensional hydraulics, levee analysis, groundwater modeling. |
|
| Client Confidential |
1983-84 |
Y |
Y |
2,000,000 |
|
1991-92 |
Y |
Y |
4,000,000 |
|
1993-94 |
JAMS |
JAMS |
18,500,000 |
|
2002 |
Y |
Y |
5,000,000 |
|
2009 |
Y |
– |
1,000,000 |
|
2009 |
Y |
|
1,000,000 |
| (1) Flood channel overflow at railroad culvert crossing; damage to industrial and commercial storage. Hydrology, hydraulics, storm flow analysis, rainfall-runoff modeling. (2) Storm flow analysis, inlet analysis, inundation, debris. (3) Drainage, soil moisture, site grading, construction defects, maintenance. (4) Landslide analysis, swimming pool effects on soil water infiltration, hydrologic cycle, erosion, sediment transport. (5) Ponding, storm drain analysis. Sediment transport, geomorphology of Walker River. Aging of sediments. (6) Storm drain analysis. Flooding. (7) Flooding, storage analysis, rainfall analysis. |
|
| Client Confidential |
1989
1996 |
Y |
N |
3,000,000 |
| Sedimentation analysis of developed landform changes. Sedimentation analysis, erosion, mitigation development, cost estimates. Wrongful death litigation, traffic accident analysis, sediment transport, erosion, flooding. |
|
| Client Confidential |
2008-2010 |
Y |
N |
400,000,000 |
| Rainfall analysis, infiltration analysis, return frequency analysis |
|
| Client Confidential |
1998 |
WQB
Hearing |
N |
36,000,000 |
| Debris and sediment transport. Hydrology, sewer line failure, contamination. EPA hearings. Criminal negligence issues. |
|
| Client Confidential |
1993 |
N |
N |
1,500,000 |
| Flood damage evaluation. Golf course flood storage. Inlet controls, and pipe capacity analysis. Debris consideration. Floodplain mapping. Master plan of drainage evaluation. |
|
| Client Confidential |
2007 |
Y |
Y |
4,000,000 |
| Groundwater modeling. Groundwater level changes. Soil de-watering. Water Quality. Perched Groundwater. Perchlorate. Water Sources. Highland Glen, Henderson, Nevada. |
|
| Client Confidential |
1995 |
Y |
N |
50,000,000 |
| Storm and flood damage resulting from Murrieta Creek. Hydrology, hydraulics, sediment transport. Massive flood damage event, maintenance issues, wetlands habitats issues. Stormwater pollution from sewage spill. Analysis of Skinner Lake Dam. |
|
| Client Confidential |
1997-98 |
Y |
N |
5,000,000 |
| Landslide affecting Las Flores Canyon and Las Flores Canyon road. Analysis includes hydraulics, hydrology, storm analysis, debris, and sediment generation, sediment transport, ocean outlet impacts, landslide soil-water effects, fire impacts. |
|
| Client Confidential |
2007-2009 |
Y |
N |
10,000,000 |
| Storm rainfall analysis, flood routing, storage, culvert analysis |
|
| Client Confidential |
2003-2004 |
Y |
Y |
4,000,000 |
| Fractured geology. Groundwater. Plant water usage. Hydrologic Balance. |
|
| Client Confidential |
2007-2008 |
Y |
N |
1,000,000 |
| Rainfall history. Groundwater mounding. Coastal hydraulics. Hydrometeorology. Leaking pipe analysis. Homeowner irrigation. |
|
| Client Confidential |
1998-99 |
|
|
28,000,000 |
| (1) Groundwater flow; dewatering issues; construction planning. |
|
| Client Confidential |
2007-2010 |
Y |
N |
20,000,000 |
| Rainfall analysis, infiltration analysis, groundwater, collapsible soil |
|
| Client Confidential |
1987-89 |
Y |
N |
1,000,000 |
| Flood damage to homeowners due to natural channel overflow and wall failure. Hydrology, hydraulics, sedimentation, design standards. |
|
| Client Confidential |
2009-2010 |
Y |
N |
6,000,000 |
| Sediment transport, rainfall analysis, flooding |
|
| Client Confidential |
1997 |
N |
N |
1,500,000 |
| Flooding; Los Angeles River hydrology; flapgates. |
|
| Client Confidential |
1987-88 |
N |
N |
2,000,000 |
|
1988-89 |
Y |
Y |
5,000,000 |
| (1) Sedimentation and erosion damage due to U.S. Corps of Engineers’ new channel design of U.S./Mexico storm channel. Hydraulics, sedimentation analysis. (2) Inverse condemnation issues due to storm channel design on plaintiff’s property in Coachella Valley, California. Development analysis, hydraulics, physical modeling, dam analysis. |
|
| Client Confidential |
1997-98 |
N |
N |
3,000,000 |
|
2005-2006
|
– |
N |
3,000,000 |
|
2006-09 |
Y |
Y |
5,000,000 |
| (1) Sediment transport and flood flow analysis of Mojave River in the desert regions of Southern California. Vegetative impacts to sediment transport. Reasonableness of pipeline design. Hydraulics, hydrology, sedimentation analysis. (2) Hydrology, Hydraulics, rainfall and Doppler radar analysis. (3) Doppler radar, sediment transport, hydrology, fluvial geomorphology. |
|
| Client Confidential |
1997 |
N |
N |
2,000,000 |
| Severe storm rainfall analysis; hydrology; culvert hydraulics. |
|
| Client Confidential |
2007-2008 |
Y |
– |
6,000,000 |
| City of Chicago 3 floods of August, 2001. Rainfall analysis. Doppler radar analysis. Watersheds. “Flow Blocker” analysis. |
|
| Client Confidential |
1991-92 |
N |
N |
2,000,000 |
| Diversion of flows due to upstream land development. Hydrology, hydraulics, storm channel design, outflow dissipation, erosion, sedimentation, costs. |
|
| Client Confidential |
2001 |
N |
N |
2,000,000 |
| Hydrology, hydraulics, storm drain deficiency. |
|
| Client Confidential |
2007 |
Y |
– |
15,000,000 |
|
2007-2008 |
Y |
Y |
5,000,000 |
|
2008 |
Y |
Y |
6,000,000 |
|
2009 |
Y |
Y |
10,000,000 |
Karim. Landslide hydrology. Gopher hole hydrology. Irrigation. Rainfall.
Landslide hydrology. Infiltration. Hydrometeorology. Rainfall history. Irrigation.
Landslide hydrology. Infiltration. Hydrometeorology. Rainfall history. Irrigation. Leaking high pressure water line. Landslide hydrology. Infiltration. Hydrometeorology. Rainfall history. Irrigation. Leaking high pressure water line. |
|
| Client Confidential |
1996 |
N |
N |
20,000,000 |
| Failure of three concrete gravity dams near Quebec, Canada. Flood inundation, erosion of slopes adjacent to dams, erosion of dike, scour analysis, analysis of dam operation. |
|
| Client Confidential |
1996 |
Y |
Y |
5,000,000 |
| Analysis of 400-acre oil refinery drainage system for efficiency and operation. Transport issues involving surface water pollutants. |
|
| Client Confidential |
1991-92 |
Y |
JAMS |
10,000,000 |
| Condominium (400 units) seepage, landform, groundwater nuisance issues. Civil engineering design review, concrete integrity, seepage, groundwater flow, surface flow, irrigation. |
|
| Client Confidential |
1994 |
N |
N |
3,000,000 |
| Hydrology, hydraulics, sediment transport, roadway design, culvert systems. |
|
| Client Confidential |
2002-2003 |
Y |
N |
500,000 |
| Hydrology, hydraulics, debris, rainfall, design, inlet clogging, groundwater issues. |
|
| Client Confidential |
1987-88 |
Y |
N |
500,000 |
| Flood damage from runoff from snow pack on mountainside. Hydrology, hydraulics, sedimentation, snow melt. |
|
| Client Confidential |
2005-2006 |
Y |
– |
5,000,000 |
| Hydrology, meteorology, water balance, water records analysis, ET, soil water flow. |
|
| Client Confidential |
1983-87 |
Y |
N |
5,000,000 |
|
1996 |
Y |
N |
500,000 |
| Homeowner damage due to various channel overflow and levee failure events. Hydrology, hydraulics, flood control system analysis, computer modeling. Sediment transport, erosion of stream channel, slope failure, hydrology & hydraulics, levee failure modes. |
|
| Client Confidential |
1991-92 |
Y |
Y |
2,500,000 |
| Storm flow analysis of on- and off-site storm drain system. Hydrology, hydraulics, storm drain design, soil-water flow, cost estimates. |
|
| Client Confidential |
1999 |
Y |
Y |
1,000,000 |
| Feasibility and inverse condemnation for flood control basin. Wetlands, habitats, and flood control. |
|
| Client Confidential |
2001 |
– |
Mediation |
15,000,000 |
|
2002 |
Y |
Arbitration |
12,000,000 |
| Groundwater flow, contaminant transport, data analysis, fuel oil seepage and transport, CPT-LIF, geochemistry, weathering, MTBE, diesel, TPH. |
|
| Client Confidential |
1992-94 |
Y |
Y |
1,000,000 |
|
1992 |
Y |
N |
3,000,000 |
| Storm flow damage in developing desert community of Antelope Valley. Erosion and sedimentation analysis; runoff hydrology; modeling; alluvial fan hydrology and hydraulics. |
|
| Client Confidential |
1997 |
N |
N |
1,000,000 |
| Soil movement affecting multistory structures. Groundwater analysis. |
|
| Client Confidential |
2003 |
N |
N |
1,500,000 |
| Sediment transport. Rainfall. Runoff. Hydrology. Hydraulics. Landfill operation. Roadway design. Super elevation. |
|
| Client Confidential |
2003 |
Y |
Y |
1,500,000 |
| Debris. Severe rainfall. Master plans. Design review. Hydrology. Hydraulics. K-rails. Sediment transport. Floodplains. Flooding. |
|
| Client Confidential |
1996 |
Y |
Expert Forum |
2,000,000 |
| Groundwater saturation; erosion; landslide; hydrology. |
|
| Client Confidential |
1999 |
Y |
Y |
1,000,000 |
| (1) Mitigation measures; erosion; sheet flow versus water course; hydraulics; sediment; radar rainfall analysis. |
|
| Client Confidential |
2000-2001 |
Y |
|
12,000,000 |
| Hydrology, debris, sediment, hydraulics, groundwater, water quality, stormwater quality permit compliance. |
|
| Client Confidential |
2006 |
Y |
Y |
8,000,000 |
| Sediment transport, Rainfall-runoff modeling. Modeling analysis. Equilibrium slope. |
|
| Client Confidential |
2000 |
Y |
N |
4,000,000 |
| FEMA, stormwater run-off, pump station. |
|
| Client Confidential |
2010-2012 |
Y |
N |
4,000,000 |
| Sediment transport, hydrology, hydraulics, modeling analysis, rainfall analysis, erosion formulations (SCS), hyperconcentrated sediment flow |
|
| Client Confidential |
1993-94 |
N |
N |
1,500,000 |
| Condominium drainage and grading issues. Construction defect issues. |
|
| Client Confidential |
1999 |
|
|
2,000,000 |
| Hydrology, Hydraulics, Rainfall, Radar Analysis, Debris and mud flow, steep canyon flow mechanics, erosion. |
|
| Client Confidential |
1999 |
Y |
Y |
4,000,000 |
|
2002 |
Y |
Y |
8,000,000 |
| Landslide, groundwater issues related to a flat failure surface, water versus work balances. Soil water percolation tests. Water usage. Hydrologic cycle. |
|
| Client Confidential |
1987-91 |
Y |
Y |
10,000,000 |
|
1987-88 |
Y |
Y |
2,000,000 |
|
1988; |
Y |
N |
250,000 |
|
1992; |
Y |
N |
500,000 |
|
1995; |
Y |
N |
1,500,000 |
|
2003 |
Y |
Y |
2,000,000 |
|
2003 |
Y |
N |
800,000 |
| Several storm flood events in Las Vegas, Nevada area. Storm flow analysis, hydrology, hydraulics, deficiency analysis, erosion. Sediment transport, levee erosion and aggradation/degradation. Earthen channel flow capacities. Desert hydrology, review of government FEMA reports, large scale catchment modeling of 150 square miles. Traffic accident evaluation. Debris flow. Rainfall. Radar analysis. |
|
| Client Confidential |
2010-2013 |
Y |
N |
150,000,000 |
| Rainfall analysis, groundwater analysis, water rights, tract design, criteria assessment. |
|
| Client Confidential |
2012 |
Y |
Y |
10,000,000 |
| Historic watershed analysis. Multiple NWC evaluation. Meteorology. Rainfall-runoff models. UNETmodeling. |
|
| Client Confidential |
2006 |
Y |
N |
500,000 |
|
2006-2007 |
Y |
Y |
3,000,000 |
| Rainfall analysis, storm drain hydraulics, building piping network analysis and aging, physical model. Flooding, Hydrometeorology. Historic flooding. Networks. |
|
| Client Confidential |
1999 |
Mediation |
N |
4,000,000 |
| Radar rainfall analysis ; hydrology; hydraulics; storm drain analysis. Flood event analysis. Debris generation from orchards. |
|
| Client Confidential |
1999 |
Y |
N |
5,000,000 |
| (1) Landslide; erosion issues; water budget analysis; soil water flow; rainfall. |
|
| Client Confidential |
1997-98 |
N |
N |
500,000 |
| Flood damage at a local residence due to street flow effects. |
|
| Client Confidential |
2000 |
Y |
N |
150,000 |
|
2001 |
Y |
Y |
1,000,000 |
| Rainfall, soil-water flow, settlement. Broken sewer pipe, sinkhole, hydrology. |
|
| Client Confidential |
1996-97 |
Y |
N |
500,000 |
|
1999-2002 |
Y |
Y |
2,000,000 |
| Hydrology; debris; effects of land development. Hydraulics, Rainfall, Radar Analysis, Mobile home park, Historic flooding, pump stations. |
|
| Client Confidential |
1999 |
– |
– |
150,000,000 |
|
2002 |
– |
– |
10,000,000 |
| (1) 1997 flooding in Northern California; levees; dams and regulation; radar rainfall analysis. (2) Groundwater transport, TDS analysis, star and pipe diagrams. |
|
| Client Confidential |
1993-95 |
N |
N |
3,000,000 |
|
1996-2002 |
Y |
N |
3,000,000 |
| Hydrology, hydraulics, sediment transport analysis. Rainfall evaluation. Floodplain studies. Effects of land development and erosion control. Erosion of Aliso Creek. Analysis of Silverado Dam outflows and performance. Two-dimensional hydraulics analysis of floodplain. Coastal effects. Bridge analysis. Alert vs. recording rain gauge analysis. Radar rainfall analysis. |
|
| Client Confidential |
1996-97 |
N |
N |
2,000,000 |
| Sediment transport analysis of Oso Creek, near Oso Ranch. Sediment and erosion analysis. Hydrology, hydraulics. |
|
| Client Confidential |
2003 |
– |
– |
– |
| Surface flow. Power Plant evaporation. TDS. Salton Sea. Trend analysis. Groundwater seepage. |
|
| Client Confidential |
2005-2006 |
Y |
– |
5,000,000 |
| Hydrology, rainfall analysis, soil water flow, ET, water usage analysis, soil strength, water flux in concrete. |
|
| Client Confidential |
2006 |
N |
N |
8,000,000 |
| Analysis of water percolation in Santa Ana River and OCWD percolation pits. Stream gage data analysis. Diversion analysis. |
|
| Client Confidential |
1999 |
N |
N |
2,000,000 |
| Hydrology, hydraulics, debris, inlet analysis, radar analysis, design and construction issues. |
|
| Client Confidential |
2007 |
Y |
N |
8,000,000 |
| Stormwater pollutant transport. Hydrology, hydraulics, computer modeling. PCB, BTEX. Stormwater, groundwater, atmospheric transport of pollutants. Fate analysis. Ocean hydrodynamics. |
|
| Client Confidential |
2007 |
Y |
Y |
500,000 |
| Meteorology, Hydrometeorology, Comparative wet seasons of 1998 versus 2004. |
|
| Client Confidential |
2007-2008 |
Y |
– |
3,000,000 |
| Flood analysis. Piping system capacity. Watershed delineation. Rainfall analysis. Doppler radar. |
|
| Client Confidential |
1994-95 |
Y |
Y |
3,000,000 |
| Condominium construction defect litigation. Drainage, groundwater, roadway. |
|
| Client Confidential |
2008 |
Y |
– |
25,000,000 |
| Flooding, erosion of hillside, hydrology, hydraulics, design evaluation. |
|
| Client Confidential |
1995-96 |
N |
N |
500,000 |
| Flooding, erosion of hillside, hydrology, hydraulics, design evaluation. |
|
| Client Confidential |
1997 |
Y |
N |
10,000,000 |
|
2006 |
N |
N |
5,000,000 |
| Hydrology; erosion; energy dissipaters; hydraulics. Boulder eruption in Honolulu, Hawaii and death of Dara Onishi. Rock and sediment degradation. |
|
| Client Confidential |
1994-95 |
Y |
N |
2,000,000 |
| Drainage issues through subdivision. Hydrology, hydraulics, floodplains, erosion of earthen channel, energy dissipater analysis and scour, landslide issues, water budgets. |
|
| Client Confidential |
2006 |
Y |
Y |
5,000,000 |
| Groundwater perching. Soil layer and lenses. Physical Preferential Pathways. |
|
| Client Confidential |
2010-2013 |
Y |
Y |
3,000,000 |
| Rainfall analysis, loss rates, algid climate hydrology, groundwater, phase change. |
|
| Client Confidential |
1987-89 |
N |
N |
100,000,000 |
| Landslide potential in Big Rock Mesa hillside area, California. Groundwater analysis, rainfall-runoff modeling, seepage analysis, water budget analysis. |
|
| Client Confidential |
1999-2001 |
Y |
Y |
1,000,000 |
|
2006 |
Y |
– |
2,000,000 |
|
2008 |
Y |
– |
3,000,000 |
| Flooding. Severe storm rainfall analysis. Landslides. Natural water course issues. Algae analysis. Groundwater TDS and electrolysis analysis. Rising groundwater.
Leaking water reservoir, wetlands, property line analysis in natural water course.
Leaking pipeline, water budget, earth movement. |
|
| Client Confidential |
2011 |
Y |
Y |
3,000,000 |
|
2013 |
Y |
Y |
2,000,000 |
| Landslide, rainfall, groundwater analysis. |
|
| Client Confidential |
2000-2001 |
Y |
Y |
2,000,000 |
| Rainfall, hydrology, hydraulics, debris flow, road guard rails. |
|
| Client Confidential |
2007 |
Y |
Y |
6,000,000 |
|
2007-2008 |
Y |
Y |
20,000,000 |
| Hydrometeorology. Infiltration analysis. Landslide at La Conchita, California. Streetflow hydraulics. HEC-RAS. Super-elevation. Radar rainfall analysis. Infiltration analysis. |
|
| Client Confidential |
1998-99 |
N |
N |
2,000,000 |
| Landslide; erosion of Malibu Creek; scour; hydrology; low flows; rainfall statistics. |
|
| Client Confidential |
1997-98 |
N |
N |
25,000,000 |
| Hydraulics, hydrology, and hydrodynamics of a 6-foot diameter combined storm/sewer pipeline resulting in a massive sink hole development. Groundwater flow hydraulics and transport. |
|
| Client Confidential |
1996-2001 |
Y |
Y |
1,000,000 |
|
|
Y |
Y |
|
| Flooding analysis, erosion, water diversion, mud flow, dam flow analysis. |
|
| Client Confidential |
2013-2014 |
Y |
Y |
4,000,000 |
| Surface Water and floodplain analysis. Hypotheticals analysis. Inverse condemnation claims. |
|
| Client Confidential |
1996 |
Y |
Y |
1,000,000 |
| Flooding analysis, erosion, water diversion, mud flow, dam flow analysis, debris dam. |
|
| Client Confidential |
1987-88 |
Y |
N |
1,000,000 |
| Storm damage to homeowners. Arid hydrology and hydraulics of 60 square mile catchment, railroad culvert analysis, surveying, floodplain analysis, erosion and sedimentation. |
|
| Client Confidential |
2009-2010 |
Y |
N |
5,000,000 |
| Water sources analysis, water budget, ground water, flooding |
|
| Client Confidential |
1999 |
Y |
N |
50,000,000 |
| Federal Supreme Court Case: State of Nebraska vs. State of Wyoming (1) Water rights; Platte River water statistics; sediment transport; irrigation; water balance. |
|
| Client Confidential |
2007-2008 |
Y |
– |
2,000,000 |
|
2001-2002 |
Y |
– |
15,000,000 |
| Flood analysis. Infiltration. Piping network for commercial building. Obstruction analysis. Hydrology, groundwater modeling, well analysis, rainfall statistics, trend analysis. |
|
| Client Confidential |
2002-2003 |
Y |
– |
2,000,000 |
| Flooding. Texas floodplains. Hurricanes. Stream gauge analysis. Rainfall analysis of hurricanes. |
|
| Client Confidential |
1999 |
Y |
Y |
1,000,000 |
|
2004 |
Y |
Y |
3,500,000 |
| Hydrology, hydraulics, debris, inlet analysis, rainfall radar analysis. Wetland floodplains. Slope failure issues and construction defect. Debris production. Flooding analysis. reasonableness factors. Dangerous condition. |
|
| Client Confidential |
1996 |
N |
N |
25,000,000 |
| 200-foot failure of 1800-foot width concrete Gillespie Dam across Gila River. Flood inundation, dam-break, erosion and sediment transport analysis. Boiling analysis of gravity dam, scour analysis at natural gas line locations on Gila River. |
|
| Client Confidential |
1994 |
Y |
N |
100,000 |
| Flooding, drainage diversion, erosion effects. |
|
| Client Confidential |
1994-95 |
N |
N |
3,000,000 |
| Wrongful death traffic accident. Hydrology, hydraulics, street design, storm drain design, storm event analysis, sediment transport and deposition on roadway surfaces. |
|
| Client Confidential |
2003-2005 |
N |
N |
6,000,000 |
|
2004-2005 |
– |
– |
1,000,000 |
| Rising tides, coastal flooding, Hawaii meteorology. Sediment transport. BTEX |
|
| Client Confidential |
1998 |
N |
N |
36,000,000 |
| Wetlands, hydrology, hydraulics, dam regulation (Prado Dam, CA), sedimentation, oil recovery. |
|
| Client Confidential |
2003 |
Y |
N |
2,000,000 |
|
2008 |
Y |
– |
2,000,000 |
| Soil moisture accounting. Groundwater. Water usage. Soil stratigraphy. Soil-Water flux in dry soil |
|
| Client Confidential |
1991-93 |
Y |
N |
1,000,000 |
| Storm damage to homeowners. Arid hydrology and hydraulics of 60 square mile catchment, railroad culvert analysis, surveying, floodplain analysis, erosion and sedimentation. |
|
| Client Confidential |
2004-2005 |
N |
Y |
2,000,000 |
| Flooding, severe rainfall analysis, Doppler radar analysis. |
|
| Client Confidential |
1988 |
Y |
Y |
2,000,000 |
|
1996 |
N |
N |
3,000,000 |
| Sedimentation analysis of developed landform changes. Sedimentation analysis, erosion, mitigation development, cost estimates. Wrongful death litigation, traffic accident analysis, sediment transport, erosion, flooding. |
|
| Client Confidential |
2011-2012 |
Y |
Y |
5,000,000 |
| Mitigation measures. Rainfall-runoff. Alluvial fan. Desert hydrology and meteorology. Design assessment. |
|
| Client Confidential |
1999 |
Y |
N |
1,000,000 |
| Sewage design defect issues. Construction defect. |
|
| Client Confidential |
1983-87 |
Y |
Y |
2,000,000 |
|
1987-91 |
Y |
Y |
10,000,000 |
| (1) Flood damage to levee failure of large catchment flood control system. Hydrology, hydraulics, storm flow modeling, erosion, levee failure analysis. (2) Software Piracy. Probabilistic analysis of software piracy. |
|
| Client Confidential |
1999 |
Y |
N |
1,000,000 |
|
2000-2001 |
Y |
N |
4,000,000 |
| Groundwater hydrology, soil-water budget, pipe leakage, rainfall analysis. |
|
| Client Confidential |
2012-2013 |
Y |
Y |
Damages TBD |
| Assessment of floodplain and development within the canyon floodplain areas of San Diego, California. Examination of river overflow impacts to planned structure within the floodplain. Hydraulics and hydrology. River flow rapidly varied effects and computational mathematical modeling. |
|
| Client Confidential |
2013-2014 |
Y |
N |
Damages TBD |
| Client Confidential |
2016-2017 |
Y |
N |
Damages TBD |
| Groundwater flow computational mathematical modeling using MODFLOW and Complex Variable Boundary Element Method for Computational Biopsy assessment. Perchlorate plume evolution near landfill operation in San Bernardino County, California. Landfill history and leakage assessment. Groundwater transport of conservative species. Unsaturated flow modeling and vadose zone modeling. Groundwater chemical fingerprint assessment and analysis. Mid-Valley Units 1 and 2. Units 2 and 3. |
|
| Client Confidential |
2016-2017 |
Y |
N |
Damages TBD |
| San Bernardino County Mid-Valley Sanitary Landfill Units 1, 2, 4. Chemistry assessment, 350- foot verticle column unsaturated flow computer modeling. VLEACH, Rainfall analysis, runoff, hydrometerology, and visualization. |
|
| Client Confidential |
2016-2018 |
Y |
N |
Damages TBD |
|
|
Y |
N |
|
| Three City of Palmdale flood cases for Dunnagon, Celebron, Faulk. Hydrometeorology, DOPPLER RADAR, Rain gage assessment and visualization, hydrodynamics. City of Palmdale 3 flood cases. |
|
| Client Confidential |
2016-2018 |
Y |
N |
Damages TBD |
| Tahiti Village Las Vegas, Nevada. Groundwater analysis. Surface water quality assessment. Piping system evaluation. Heat and evaporation effects. Water chemistry evaluation. Radial diagrams. |
|
| Client Confidential |
2016-2018 |
Y |
N |
Damages TBD |
| Soil- water transport modeling of small levee breach, La Quinta Resort, La Quinta, CA. |
|
| Client Confidential |
2016-2018 |
Y |
N |
Damages TBD |
| City of West, Texas. Fertilizer plant explosion cost analysis. |
|
| Client Confidential |
2015 |
Y |
N |
500,000 |
| Erosion, flood flow analysis, hydrology, hydraulics, beach rainage, debris, doppler radar. |
|
| Client Confidential |
2014-2016 |
Y |
N |
10,000,000 |
| Erosion, flood flow analysis, hydrology, hydraulics, beach drainage, debris, Doppler radar, breach analysis, computational fluid dynamics, surge analysis. |
|
| Client Confidential |
2011-2017 |
Y |
Y |
Damages TBD |
| Groundwater flow computational mathematical modeling using MODFLOW and Complex Variable Boundary Element Method for Computational Biopsy assessment. Historic assessment of groundwater levels including California Missionary agricultural record analysis. Modeling of coupled rainfall records and groundwater historic records using the Cumulative Departure Method (“CDM”). Assessment of hydro-collapse and landfill recapture of gravel pits for land development of high scale commercial structures in Irwindale, California. |
|
| Client Confidential |
2013-2017 |
Y |
Y |
Damages TBD |
| Missouri River RM 400 to 800, Sediment transport, New Sediment source analysis, Groundwater impacts, Surface water flooding, Dam operations, and leeve breaches. |
|
| Client Confidential |
2016-2017 |
Y |
N |
$9M per event to 11 incidents |
| San Bernardino County Mid-Valley Sanitary Landfill Units 1, 2, 4. Chemistry assessment, 350- foot verticle column unsaturated flow computer modeling. VLEACH, Rainfall analysis, runoff, hydrometeorology, and visualization. |
|
| Client Confidential |
2016-2018 |
Y |
N |
Damages TBD |
| Three City of Palmdale flood cases for Dunnagon, Celebron, Faulk. Hydrometeorology, DOPPLER RADAR, Rain gage assessment and visualization, hydrodynamics. City of Palmdale 3 flood cases. |
|
| Client Confidential |
2016-2018 |
Y |
N |
Damages TBD |
| Tahiti Village Las Vegas, Nevada. Groundwater analysis. Surface water quality assessment. Piping system evaluation. Heat and evaporation effects. Water chemistry evaluation. Radial diagrams. |
|
| Client Confidential |
2016-2018 |
Y |
N |
Damages TBD (Estimated $30M) |
| City of West, Texas. Fertilizer plant explosion cost analysis. |
|
| 475 Superior Court Case Investigations and Studies; 137 Depositions & Mediations; 63 Trials; 1 United States Federal Supreme Court Case; 1 State of California Supreme Court Case |
| Legal History TVH, July 2022 |
|
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