FLOW TECHNOLOGIES, LLC

 

PROJECT EXPERIENCE SUMMARY

(listed by date)

 

 

Project:

 

 

Client:

Period

Proposed Penley Dam Expert Witness

Approval of a proposed dam near Sedalia, Colorado is being opposed by a downstream homeowners association. Serving as an expert witness to make case for negative impacts with regard to public safety and potential for loss-of-life if the dam were constructed.

January 2011 to present

Project:

 

 

Client:

Period

Carrillo v. Kuter Expert Witness

Hydrology, hydraulics, and water quality expert witness in law suit pertaining to allegations of an upstream property owner flooding the property of a downstream property owner.

Solano Law Firm, Thornton, Colorado

December 2010 to present

Project:

 

 

Client:

Period

Denver Polo Club Floodplain Study

Performed 100-yr floodplain study via HEC-RAS in Plum Creek FEMA floodplain to determine if new bridge crossing resulted in floodplain encroachment on upstream properties.

Denver Polo Club, Sedalia, Colorado

October 2010 to January 2011

Project:

  

 

 

 

 

Client:

Period

Bridge Scour Hydraulic Assessment Peer Review

Hydraulic Assessments include a review of the Bridge Inspection Maintenance Records, Scour information available from Caltrans, a summary of field review observations, and identification of potential scour countermeasures.  Hydraulic Assessment Memorandum has been prepared for the purpose of meeting the hydraulic portion of the Federal Highway Administration requirement to develop a Hydraulic Assessment Memorandum for the Plan of Action for each unknown foundation bridge identified during the scour evaluation program. 

Steven Jones, P.E.

April 2010 to present

Project:

 

 

 

 

 

 

Client:

Period

Pikes Peak Highway Rainfall and Erosion Control Structure Study

Erosion control structures (detention and sediment ponds, energy dissipaters) along Pikes Peak Highway have failed resulting in severe hillside gully erosion and downstream sediment accumulation. The reasons for failure were evaluated, and alternative erosion control devices proposed. The study involved detailed rainfall analyses of three existing rain gages to determine the types and magnitude of storms, and compare the modeled rainfall/runoff - in addition to storm volumes – to the capacity of detention ponds. New structure designs – in addition to alternative erosion control methods – were proposed.

City of Colorado Springs, Pikes Peak Highway

June 2009 to present

Project:

 

 

 

 

 

Client:

Period

US Department of Agriculture Forest Service Hazard Potential Classification and Inundation Mapping

Performed hazard potential classifications and inundation mapping for numerous USDA Forest Service Dams in South Dakota, Wyoming, Colorado, and Arizona.  Studies involve field investigations, unsteady flow modeling, development of breach failure scenarios and discharge, hydrologic studies, and inundation mapping.  Work also includes development of dam-failure and hazard potential criteria nation-wide for classifying small dams.  The work is being performed via teaming with J.F. Sato and Associates.

USDA – Forest Service; J.F. Sato and Associates, Inc.

May 2008 to September 2009.

Project:

 

 

 

Client:

Period

Federal Emergency Management Agency Levee Certification

Senior Technical Advisor for the certification of a levee located along Sand Creek in Aurora, Colorado.  Levee needs to be certified under new FEMA criteria and Federal Regulations so that the 100-yr floodplain can be defined within the levee.

GEI, Inc, and the City of Aurora

March 2008 to March 2009

Project:

 

 

 

Client:

Period

Pariette Flood Control Dam Value Engineering Study

Team member on a Value Engineering study to evaluate the design, and save costs, for a flood control dam modification.  More storage capacity is needed in the reservoir, and the spillway needs more discharge capacity to safely pass the design flood.

Bureau of Land Management

February 2008 to present

Project:

 

 

Client:

Period

North St. Charles Bridge Hydraulic Design and Scour Analysis Review

Performed review and presented suggestions for a new bridge hydraulic design.  Study included bridge hydraulic modeling via HEC-RAS, bridge scour analysis via HEC-RAS, and floodplain modeling.

EME-Solutions, Inc.

September 2007 to November 2007

Project:

 

 

Client:

Period

Wynkoop Street, Denver, Colorado, Floodplain Study Review

Performed review and presented suggestions for a detailed urban floodplain study, including HEC-RAS modeling, needed to delineate the flooding on a major city street for development.

EME-Solutions, Inc.

April 2007 to June 2007

Project:

 

 

 

Client:

Period

Foxtail Ridge Drainage Study and Phase III Drainage Report

Performed drainage study and developed Phase III report for a 25 acre site in a mountainous area of Jefferson County Colorado.  Study included performing hydrologic analyses of numerous sub-basins located on lots, roads, and open space.  A phase III drainage report was being developed.

Landform, Inc, Evergreen, Colorado

August 2007 – October 2007

Project:

 

 

 

Client:

Period

Wapiti Run Estates Drainage Study and Phase III Drainage Report

Performed drainage study and developed Phase III report for a 54 acre site in a mountainous area of Jefferson County Colorado.  Study included performing hydrologic analyses of numerous sub-basins located on lots, roads, and open space.  A phase III drainage report was being developed.

Thunderbolt Circle, LLC, Evergreen, Colorado

April – May 2007

Project:

 

 

 

 

Client:

Period

The Oaks at Castle Rock Filing No. 3 Drainage Study and Report

Developing drainage plan on a 75-lot, 60 acre development located on steep, dissected topography in the Town of Castle Rock, Colorado.  Study included performing complex hydrology of numerous sub-basins located on lots, roads, open space, sizing inlets, storm pipes, culverts, and detention ponds, and floodplain delineation along main channels.  A phase II drainage report is being developed.

David E. Archer & Associates, Castle Rock, CO

November 2006 to present

Project:

 

 

 

 

Client:

Period

The Oaks at Castle Rock Filing No. 2 Phase III Drainage Study and Report

Developed drainage plan on a 150-lot, 200 acre development located on steep, dissected topography in the Town of Castle Rock, Colorado.  Included performing complex hydrology of numerous sub-basins on lots, roads, open space, sizing inlets, storm pipes, culverts, and detention ponds, and floodplain delineation along main channels.  A phase III drainage report is being prepared.

David E. Archer & Associates, Castle Rock, CO

September 2006 to present

Project:

 

 

 

 

 

Client:

Period

Franktown Parker Flood Control Dam FP-W1 Safety Analysis and Modification Study

A property owner would like to modify and existing Natural Resources Conservation Service flood control dam (normally dry) to contain a permanent pool.  The Colorado State Engineer requested studies and reports to address safety concerns including hazard classification, inflow design flood, reservoir and spillway sizing, stability analysis, seepage analysis, etc.  Flow Technologies, LLC is performing the hydraulic and hydrology studies and designs to satisfy the State Engineers requests.

David E. Archer & Associates, Castle Rock, CO.

May  2006 to present

Project:

 

 

 

 

Client:

Period

Palmer Lake Ranch Floodplain Study and Letter of Map Revision (LOMR)

A floodplain delineation study was performed involving hydrologic analysis to determine the 100-yr discharge and modeling the water surface profile for a stream channel through a proposed housing development.  A FEMA floodplain map revision submittal is being prepared and existing FEMA floodplain maps are being revised based on the results.

Associated Design Professionals, Inc.

January  2006 to present

Project:

 

 

Client:

Period

Remuda Ranch Floodplain Study

A floodplain delineation study was performed involving hydrologic analysis to determine the 100-yr discharge and modeling the water surface profile for a stream channel through a proposed housing development.

David E. Archer & Associates, Castle Rock, CO

May  2005 to June  2005

Project:

 

 

Client:

Period

Legacy Pines Floodplain Study

A floodplain delineation study was performed involving hydrologic analysis to determine the 100-yr discharge and modeling the water surface profile for a stream channel through a proposed housing development.

David E. Archer & Associates, Castle Rock, CO

May  2005 to June  2005

Project:

 

 

Client:

Period

Rustlers Canyon Floodplain Study

A floodplain delineation study was performed involving hydrologic analysis to determine the 100-yr discharge and modeling the water surface profile for a stream channel through a proposed housing development.

David E. Archer & Associates, Castle Rock, CO

May  2005 to June  2005

Project:

 

 

 

 

 

 

Client:

Period

Rain Valley Wash Floodplain Study and LOMR

River hydraulic analysis was performed on a complex wash (fluvial channel) in southern Arizona having numerous spit flow occurring. Study involved determining locations of flow paths and flow splits via satellite images, aerial photos, field work, and 1-foot contour interval topographic maps. Discharges in the various flow paths were determined by hydraulic modeling via HEC-RAS.  Water surface profiles were developed on three different channels and two different levee scenarios via HEC-RAS hydraulic modeling.  A FEMA floodplain map submittal is being prepared and existing FEMA floodplain maps are being revised based on the results.

Associated Design Professionals, Inc.

May  2005 to present

Project:

 

 

Client:

Period

Hollern Bridge Study

Hydraulic analysis was performed for the design of a perched bridge to pass the 10-yr discharge under its span, and the 100-yr discharge over two low water crossing adjacent to the bridge.

David E. Archer & Associates, Castle Rock, CO

January  2005 to October  2005

Project:

 

 

Client:

Period

Shook Ranch FEMA Letter of Map Revision (LOMR)

River water surface profile hydraulic analyses, floodplain mapping, and preparation of FEMA materials for revision of Federal Insurance Rate Map

David E. Archer & Associates, Castle Rock, CO

February 2005 to May 2005

Project:

 

 

 

Client:

Period

Shook Ranch Detention Pond Design

Perform hydrologic analysis to develop existing and developed conditions hydrographs for various return periods.  Perform hydraulic reservoir study to determine pond size and outlet configuration such that pond attenuates developed runoff hydrograph to that of existing conditions.

David E. Archer &Associates, Inc.

February 2005 to March 2005

Project:

 

Client:

Period

Highland Greens Bock 2A Drainage Study

Design site drainage, perform hydrology and hydraulics studies, size detention ponds, prepare drainage report.

Woodstone Homes, Inc, Vail, Colorado

January  2005 - March  2005

Project:

 

 

 

 

 

Client:

Period

Lake Isabel Dam Dam-break/Inundation Study and Downstream Hazard Classification

A hydraulics study was performed on an approximately seventy five-foot-high earthen dam for the purpose of assessing downstream impacts should the dam fail.  The study involves extensive data collection for dam hydraulics and downstream channel, determining failure scenarios, performing unsteady flow analysis via the National Weather Service DAMBRK model, determining downstream impacts and potential for loss of life, and writing a comprehensive report.

United State Forest Service, Denver Regional Office

March 2005 - present

Project:

 

 

 

Client:

Period

Las Vegas Nevada Housing Development Erosion Control Plans

Erosion control plans are being developed for numerous sub-division for both single-and multiple-family housing developments.  The plans entail obtaining grading plans in CAD format, modifying those for both pre- and during-construction scenarios, and preparing a Stormwater Pollution Prevention Plan and Notice of Intent.

Engle Homes and HydroDynamics, Inc.

November 2004 - present

Project:

 

 

 

Client:

Period

Sage Port Filing No. 1 Single Family Housing Development Hydrology/Hydraulics Study

A previous hydrology study was evaluated, and then used to delineate the 100-yr floodplain and to size culverts for roadway crossings.  Due to roadway crossing height and budget constraints, elliptical pipe with improved inlet configurations were successfully designed.

David E. Archer and Associates, Inc.

September 2004 - present.

Project:

 

 

 

 

 

Client:

Period

Chapman Dam Dam-break/Inundation Study and Downstream Hazard Classification

A hydraulics study was performed on a forty three-foot-high concrete gravity arch dam for the purpose of assessing downstream impacts should the dam fail.  The study involved extensive data collection for dam hydraulics and downstream channel, determining failure scenarios, performing unsteady flow analysis via the National Weather Service DAMBRK model, determining downstream impacts and potential for loss of life, and writing a comprehensive report.

United State Forest Service, Denver Regional Office

August - November 2004

Project:

 

 

 

 

Client:

Period

Northwest Colorado Council of Governments County Assistance

Provided assistance to Pitkin and Eagle County, and the Town of Basalt governments for development of stormwater and erosion control programs.  Assistance involved staff meetings, project visits, review of regulations, and reporting summary of findings and recommendations to improve the stormwater and erosion control programs.

Northwest Colorado Council of Governments

June - September 2004

Project:

 

 

 

 

Client:

Period

Preserve at Deerfield Single Family Housing Development  Hydrologic/Hydraulics  Study

A hydrologic study was performed to determine 100-yr discharge for pre - and post – developed conditions via HEC-1.  The study involved hydrologic analysis for numerous sub-basins and off – and on – site flows.  The discharges were used to delineate the 100-yr floodplain, size culverts for roadway crossings, and also to size detention ponds via hydraulic routings.

David E. Archer, and Associates, Inc.

April - December 2004

Project:

 

 

 

 

 

 

Client:

Period

East Cherry Creek Road Crossing Hydrologic/Hydraulics Study

Hydrologic study was performed to determine the 100-yr flood for a roadway crossing sizing on a twenty five-square-mile drainage area of East Cherry Creek via HEC-1.  Four flood control dams are situated upstream which resulted in the need to obtain and develop dam hydraulic information, upstream flood hydrographs, and to perform flood routings through each dam, combine dam outflow hydrographs, and perform channel routings to the roadway crossing.  Hydraulic study involved determining roadway culvert sizes and overtopping configurations to meet Douglas County criteria.  In addition, the 100-yr floodplain was delineated via HEC-RAS.

David E. Archer, and Associates, Inc.

May - November 2004

Project:

 

 

 

Client:

Period

South Boulder Creek Floodplain Study

Team member on politically sensitive floodplain study.  Main task involves applying paleoflood hydrology studies to evaluate and augment historic streamflow records to be used for determining flood frequency discharges.

HDR Engineering, Inc, Denver, Colorado; City of Boulder, Colorado

December 2003 - present

Project:

 

 

Client:

Period

US Highway 89 Through Montpelier Canyon, Idaho, Channel Change Profile Design

Three channel changes are to be constructed for a large highway project.  Performed analysis to ensure smooth channel transitions and energy grade lines.

Idaho Transportation Department

November -  December 2003

Project:

 

 

Client:

Period

US Highway 89 Through Montpelier Canyon, Idaho, Culvert Hydrology/Hydraulics Study

Perform hydrology study for various frequency discharges, and culvert sizing for large highway construction project.

Idaho Transportation Department

October – November 2003

Project:

 

 

Client:

Period

Historic Gladstone StormRainfall/Runoff Analysis

Perform numerous rainfall/runoff scenarios for large historic rainfall event (1911) as part of analysis to determine storm validity.  Gladstone storm drives PMP studies in region, but may have erroneous data.

Associated Weather Associates, LLC, Monument, Colorado

October 2003 -  October  2004

Project:

 

 

 

Client:

Period

Prospect Lake Water Loss Evaluation

Prospect Lake, and off-channel reservoir owned by Colorado Springs, appears to be losing large quantities of water.  A study is being performed to evaluate amounts and sources of loss such as seepage and evaporation, lake bottom and subsurface conditions, and solution alternatives.

Associated Design Professionals, Inc, Colorado Springs, Colorado; City of Colorado Springs

September 2003 to June 2004.

Project:

 

 

Client:

Period

Charon Pines Townhomes Subsurface Drainage Evaluation

Structural damage has been occurring to townhomes after wet spring.  Performed surface and subsurface drainage analysis, and soil evaluation to determine structural forces on building.

Peak Property Management, Breckenridge, Colorado

July 2003

Project:

 

 

Client:

Period

Lily Lake Dam Downstream Hazard Classification

Perform dam-break/inundation study, loss-of-life analysis, and downstream hazard classification and report on earthen dam located in Rocky Mountain National Park, Colorado.

National Park Service, Washington, DC

October 2002 - January 2003

Project:

 

 

 

Client:

Period

Woodmen Hills Law Suit Expert Witness

Serve as expert witness for plaintiffs in law suit.  Project involves assessing cause of severe channel erosion and degradation due to large upstream residential development, evaluating alternative corrective measures, writing reports, and testifying.

Hannon Law Firm, Inc., Denver, Colorado

October 2002 - December 2005

Project:

 

Client:

Period

Highland Greens Drainage Study

Design site drainage, perform hydrology and hydraulics studies, size detention ponds, prepare drainage report.

Woodstone Homes, Inc, Vail, Colorado

October 2002 -  January 2003.

Project:

 

 

Client:

Period

Sellers Gulch Floodplain Delineation

Delineate 100-yr floodplain for reach of Sellers Gulch in Castle Rock, Colorado to determine if development is feasible via channel modification, and if  LOMR will be required.

David E. Archer, and Associates, Inc.

July 2002 - August 2002

Project:

 

 

Client:

Period

Green Residence Floodplain Study

Evaluate 100-yr discharge and delineate 100-yr floodplain for a reach of Clear Creek to satisfy Clear Creek County floodplain management requirements.

Anne and Arnie Green

May 2002 - June 2002

Project:

 

 

Client:

Period

Summit Water Quality Committee Erosion Control Specialist

Develop sediment and erosion control program, perform inspections, offer assistance to Summit County, and Summit County Municipalities.

Summit Water Quality Committee, Silverthorne, Colorado

May 2002 - present

Project:

 

 

Client:

Period

US Highway 89 Through Montpelier Canyon Environmental Monitoring and Control

Perform daily inspections for sediment and erosion control, wetlands, river channel condition for major highway construction.  Assess problems and design structural and non-structural solutions.

Idaho Transportation Department

April 2002 -  November 2003

Project:

 

 

 

Client:

Period

City of Del Mar, California Hydrology Study and Drainage Control Analysis and Design

Perform urban hydrology study, existing drainage structure analysis, and new structure design for all of the City of Del Mar. Purpose was to determine drainage problems, and develop solutions for preventing erosion of bluffs (caused by inadequate drainage) and consequent threat to railroad along Pacific Ocean.

ECI, Englewood, CO

July - September 2001.

Project:

 

 

 

Client:

Period

Cherry Creek Basin Site-Specific Probable Maximum Precipitation Study

Part of a team of expert meteorologists and hydrologists working to evaluate the U.S. Army Corps of Engineers 1996 Probable Maximum Precipitation (PMP) study for Cherry Creek Dam safety evaluation, and to develop new PMP and Probable Maximum Flood.

Applied Weather Associates, Monument, CO

December 2000 - May 2003

Project:

 

 

Client:

Period

Taylor Draw Dam, Dam Failure Inundation Study

Collected channel and dam hydraulic data and information, developed outlet works and spillway rating curves, performed breach analysis, and unsteady flow routing of dam failure flood.

GEI Consultants, Inc., Englewood, CO

October – November 2000

Project:

 

 

Client:

Period

Russelville Gulch Hydrology and 100-yr Floodplain Mapping

Developed 100-yr discharge and delineated and mapped 100-yr floodplain for a potential development along Russelville Gulch

David E. Archer & Associates, Castle Rock, CO

May - July 2000

Project:

 

 

Clients:

Period

Castle Pines Colorado Individual Lot Drainage Reviews

Developed drainage plans and sediment and erosion control plans for individual lots at Castle Pines. Included evaluation of historic and developed flows, and mitigation for increased discharge.

Carlson Design Group, Inc., Will Construction Management, Inc., Gray Construction, Inc.

January 2000 -  present

Project:

 

 

Client:

Period

US Airforce Academy Dams Rehabilitation

Evaluate alternatives for rehabilitation of 2 dams. Inspect dams, collect data and information, perform hydrologic and hydraulic studies of inflow floods, dam failure discharge, spillway/outlet works sizing.

US Air Force Academy/S.A. Miro, Inc

December 1999 to June 2000

Project:

 

 

 

Client:

Period

Cooley & Bootleg Dams Dam-break/Inundation Studies & Downstream Hazard Classification

Collect hydrologic/hydraulic data, develop inflow design floods, perform spillway/outlet ratings, reservoir routings, dam-break analyses, unsteady flow flood routings, and preparation of inundation map and hazard classification. Located on Fort Apache Indian Reservation, Arizona.

Bureau of Indian Affairs, Phoenix Area Office

November 1999 - April 2000

 

Project:

 

 

 

 

 

Client:

Period

Floodway Delineation, Lee Storrer Property, Wheat Ridge, CO

Property owner’s planned building is located in 100-yr floodplain per Urban Drainage & Flood Control District Lena Gulch Master Plan. City of Wheat Ridge requested that 100-yr floodway be delineated from floodplain to ensure building will not be in floodway. Construct duplicate effective model of UDFCD Lena Gulch Master Plan 100-yr floodplain. Perform HEC-RAS modeling to separate floodway from floodplain based on depths, velocities, and percentage of discharge.

Mr. Lee Storrer, Wheat Ridge, CO

September - November 1999

Project:

 

 

Client:

Period

Thomas Residence Surface Drainage

Improper sub-division drainage resulted in several large residential lots to be continually saturated. Problem was remedied by evaluation of sub-division drainage plan and recommendations to developer.

Mr. Bob Thomas

August -  October 1999

Project:

 

 

 

Client:

Period

Rucinski Residence Surface and Subsurface Drainage

Possible law suit due to excessive water in crawl space and poor lot drainage required need for analysis of foundation drainage system and lot grade. Evaluated foundation plans, inspection reports, physical inspection of foundation drains, grade survey and evaluation, and recommend improvements.

Mr. Andy Rucinsky, Littleton, CO

August - September 1999

Project:

 

 

Client:

Period

Colorado Association of Stormwater and Floodplain Managers Floodproofing Workshops

As Chair of the CASFM Flood Committee, organized materials, speakers, and field trip for Floodproofing Workshop. Workshop intended to promote floodproofing in Colorado.

CASFM

January - August 1999

Project:

 

 

 

Client:

Period

Wetland Delineation

Commercial building plans are dependent upon the identification and extent of on-site wetlands at a site in north Jefferson County. Wetland delineation (identification and size) and report preparation of two commercial building sites in Jefferson, County Colorado, per Army Corps of Engineers Section 404 requirements.

George E. Smith Jr., Architect, Denver, CO

July - August 1999

Project:

 

 

 

Client:

Period

Sunshine Carrington Homes Subsurface Flow Analysis, Jefferson County, CO

Land development was delayed by discovery of subsurface flow at a building site. Evaluation of source of subsurface flow and saturated soils, and alternatives for drainage on residential lot. Involved data collection, field investigation of subsurface flow.

Sunshine Carrington Homes, Littleton, CO

June 1999

Project:

 

 

 

 

Client:

Period

US Highway 89, Montpelier, Idaho to Geneva, Wyoming

US Highway 89 is undergoing design for reconstructed though Montpelier Canyon, an environmentally sensitive area. Project involves designing hydraulic structures (channels, inlet, outlet controls, storage) for constructed wetlands needed for mitigation, channel design for Montpelier Creek channel relocation, hydrology for all major and minor cross drains, and roadside ditches, design and sizing of all cross drains and roadside ditches.

Idaho Department of Transportation

May 1999 - November 2003

 

Project:

 

 

 

Client:

Period

Lake McKinney Dam, Kansas, Dam-break/Inundation Study and Downstream Hazard Classification

State of Kansas requested a dam-break/inundation map for Lake McKinney, a private irrigation reservoir. Collected hydrologic/hydraulic data, performed spillway/outlet ratings, reservoir routings, dam-break analyses, and preparation of inundation map for various dam failure scenarios.

Tipton and Kalmbach, Denver, CO

May - August 1999

Project:

 

 

 

Client:

Period

Orchard Avenue Detention Dam Hazard Classification, Canyon City, Colorado

State of Colorado requested a dam-break/inundation map for Orchard Avenue Detention Dam. Performed dambreak and flood routing analysis for determining hazard classification per State of Colorado criteria for a flood detention dam.

Associated Design Professionals, Inc

February - April 1999

Project:

 

 

 

 

 

Client:

Period

Fort Apache Indian Reservation Dam Failure Inundation Mapping

Early warning systems are required on 10 high-hazard dams. Dam-failure/inundation were performed which included hydrologic evaluation on 330 square mile basin (divided into numerous sub-basins) via HEC-1, reservoir inflow hydrographs, individual and multiple dam failures on different tributaries to the North Fork Whiteriver which also include dams in series. Studies are being performed for both for sunny-day and hydrologic failure events. Results will be used for Emergency Preparedness Plan, early warning system, and inundation maps.

Bureau of Indian Affairs, Phoenix Area Office

July 1998 - January 1999

Project:

 

 

 

Client:

Period

City of Aurora Sediment & Erosion Control Inspection and Design

Additional support needed for City of Aurora Sediment and Erosion Control Program. On-site construction sediment and erosion control inspections are performed on large variety of project types to ensure conformance with EPA, State, and City of Aurora criteria. Design erosion control features and plans if existing are not sufficient.

City of Aurora, Colorado

July 1988 - October 2000

Project:

 

 

 

Client:

Period

US Air Force Academy Stables Relocation Stormwater Pollution Prevention Plan

New Stables location is being planned and designed with the intent of minimizing stormwater pollutant runoff to a nearby stream. Design of a drainage system and water quality pond is being performed. In addition, an EPA stormwater Pollution Prevention Plan is being prepared.

US Air Force Academy/S.A. Miro, Inc.

June - September 1998

Project:

 

 

 

Client:

Period

B Bar B Ranch Fill Placement Hydrology, and Channel and Erosion Control Design

Placement of fill has been occurring across a natural channel. To satisfy Douglas County regulation, design discharges were determined, by-pass channel hydraulic design performed, and erosion control features for slopes up to 33 percent developed.

B Bar B Ranch, Sedalia, CO

June 1998 - October 2001

Project:

 

 

 

Client:

Period

Willow Creek Water Surface Profile Analysis and Flood Hazard Area Delineation

River water surface profile hydraulic analyses, and floodplain mapping due development on Willow Creek. Required water surface profile modeling and updating Urban Drainage and Flood Control District Flood Hazard Area Delineation maps.

David E. Archer & Associates, Castle Rock, CO

May 1998

 

Project:

 

 

Client:

Period:

US Air Force Academy Road to CATM/FERL Drainage Design and Stormwater Pollution Prevention Plan

New road design required hydrologic studies for cross drains, roadside ditches, sediment and erosion control measures, and an EPA Stormwater Pollution Prevention Plan (SWPPP) for construction of a new road.

US Air Force Academy/S.A. Miro, Inc., Denver CO

March - August 1998

Project:

 

 

Client:

Period:

Floodplain Management 101 Workshops

Organize, conduct, and lecture at four Colorado Association of Stormwater and Floodplain Managers floodplain management workshops.

Colorado Association of Stormwater and Floodplain Managers

December - September 1997

Project:

 

 

Client:

Period:

FEMA Letter of Map Revision (LOMR) for Baldwin Gulch, Colorado

River water surface profile hydraulic analyses, floodplain mapping, and preparation of FEMA materials for revision of Federal Insurance Rate Map

David E. Archer & Associates, Castle Rock, CO

December 1997 - June 1998

Project:

 

Client:

Period:

Running Brook Estates Hydrological Investigations and 100-yr Floodplain Study

Hydrologic and hydraulic analysis for 100-yr floodplain, and floodplain mapping on Running Creek, Colorado.

Unique Development, Littleton, CO

September - October 1997

Project:

 

Client:

Period:

Dakota Station II Condominiums Flooding Evaluation

Investigation of basement flooding in condominium units, and preparation of solution alternatives.

Marilyn Bradley 303-690-3944, Lakewood, CO

October 1997

Project:

 

Client:

Period:

Andrea Court Drainage Study

Drainage plan hydrologic and hydraulic analyses.

HydroDynamics, Inc., Parker, CO

September 1997

Project:

 

Client:

Period:

Citadel Station Drainage Study

Drainage plan hydrologic and hydraulic analyses.

HydroDynamics, Inc., Parker, CO

August 1997

Project:

 

Client:

Period:

Franktown Parker - P1 Dam, Hydrologic Investigations and Flood Routing Study

Development of 100-yr flood hydrograph, dam hydraulics analyses, and reservoir routing.

David E. Archer & Associates, Castle Rock, CO

June - July 1997

Project:

 

Client:

Period:

Franktown Parker - B1 Dam, Dam-Break/Inundation Study

Analysis of hypothetical dam-break discharge and evaluation of downstream inundation.

Sagebrush Development, Denver, CO

June to July 1997

Project:

 

Client:

Period:

Castle Crest Development Drainage Study

Runoff studies and hydraulic structures design for planned development.

HydroDynamics, Inc., Parker, CO

May 1997

 

Project:

 

 

Client:

Period:

Centennial Ranch Phase III Drainage Report

Comprehensive Phase III drainage plan and for 134 acre development including runoff, detention, culverts, ditches, channelization, and erosion and sediment control.

David E. Archer & Associates, Castle Rock, CO

May 1997 to December 1997

Project:

 

Client:

Period:

Kiowa Schools Hydrologic and Flood Hazard Study

Development of 100-yr flood and determination of water surface profile at existing and proposed school complex.

HydroDynamics, Inc., Parker, CO

March - April 1997

Project:

 

 

Client:

Period:

The Greens at Cedar Ridge Expert Witness Preparation

Evaluation of study results and methodology used to design drainage plan for a development which is causing downstream flood and sediment damage; prepare for trial.

HydroDynamics, Inc., Parker, CO

January 1997 - January 1998

Project:

 

 

Client:

Period:

Grande Ronde River, Oregon, Flood Control, Fish Habitat Enhancement, and Stream Rehabilitation Study

Comprehensive flooding investigation, analyses of flood control alternatives, and levee system design for 25-mile river reach.

US Bureau of Reclamation, Snake River Area Office, Boise, Idaho

October 1996 - March 1997

Project:

 

Client:

Period:

Twenty Mile Industrial Park Drainage Study

Runoff studies and hydraulic structures design for planned development.

HydroDynamics, Inc., Parker, CO

January 1997 -  February 1997