Selected
Projects
TULSA,
OKLAHOMA
Flatrock Creek Basin: Project Manager for the comprehensive SSES
of 1 million feet of sanitary sewer in the City of Tulsa. The scope of work included field
surveys, report preparation, and design of manhole and pipeline rehabilitation.
Newblock Area: Project Manager for improvement of 300,000 feet of
sanitary sewer. The work included 1) Q vs. i analysis, 2) flow monitoring analysis, 3)
model calibration, 4) hydraulic analysis, 5) preparation of I/I elimination report, and 6)
the general project administration.
Comprehensive Hydraulic Model: Provided computer hydraulic
modeling of 9 million linear feet of sanitary sewer. The model included 92 short-term flow
monitoring sites and extensive flow analysis. Evaluated impacts of inflow and infiltration
and analyzed relief and replacement sewers.
Central Business District: Project Manager for data input and
review of the SSES hydraulic model. Conducted 400 building inspections and identified
potential I/I connections.
Fred Creek Basin: Project Manager for comprehensive sanitary
sewer evaluation and I/I investigation of 298,000 lf of sanitary sewer. Scope includes: Q
vs. i analysis and hydraulic networking; development of a hydraulic model of the
collection system; and preparation of I/I reduction strategies and management alternatives
including cost-effectiveness analysis and private I/I abatement plan.
WEST TULSA, OKLAHOMA
Provided inflow/infiltration defect analyses for 32,000 linear feet of
sanitary sewers. Evaluated the flow monitoring data and developed Q vs. i
relationships. Developed and calibrated the hydraulic model. Determined the
need for, and target location of relief/replacement sewers.
OWASSO, OKLAHOMA
Developed a hydraulic model of the Citys collection system. The study area
included 10 lift stations and numerous miles of collection lines. The
hydraulic model was used to determine improvements to existing facilities to
begin infrastructure development and a master plan for future needs.
BARTLESVILLE, OKLAHOMA
Program Manager for a comprehensive sewer system evaluation survey of
208-mile sanitary sewer system. The study included flow monitoring, manhole
inspections, smoke testing, hydraulic modeling, internal television
inspection, dyed water testing, and cost effective I/I removal analysis and
report recommendations for a $17 million sewer renewal program.
VINITA, OKLAHOMA
Project Engineer for a comprehensive sanitary sewer evaluation survey for
37-mile sewer system. Developed a computer hydraulic model, determined
impacts of I/I, and determined cost-effective means of I/I removal.
ENID, OKLAHOMA
Project Engineer for study and analysis of a 246-mile sanitary sewer system
conducted to control and manage excessive rainfall-induced flows along major
interceptor sewers. Worked in coordination with representatives from EPA
Region VI to satisfy requirements of several Administrative Orders.
MIAMI, OKLAHOMA
Performed a sewer system evaluation of a 100-mile wastewater collection
system to quantify and analyze inflow and infiltration. Conducted a physical
survey to locate system defects and to model time-routed flow rates to each
of the Citys two treatment facilities.
NORMAN, OKLAHOMA
Provided inflow/infiltration defect analyses for 1.1 million linear feet
of sanitary sewers. Evaluated flow monitoring data and developed Q vs. i
relationships. Developed and calibrated a computer hydraulic model and
determined the need for and locations of relief/replacement sewers.
SAND SPRINGS, OKLAHOMA
Provided inflow/infiltration defect analyses for 92,000 linear feet of
sanitary sewers. Evaluated flow monitoring data and developed Q vs. i
relationships. Developed and calibrated a computer hydraulic model.
Determined relief/replacement sewer locations.
CLAREMORE, OKLAHOMA
Project Manager for Flow Monitoring Program. Scope included flow monitoring,
rainfall monitoring, flow data analysis, Q vs i analysis and reporting.
CLEARWATER, FLORIDA
Project Manager for a comprehensive, system-wide flow analysis and hydraulic modeling program for the City of Clearwater, FL. Provided flow monitoring of 47 temporary and permanent sites, flow data analysis for the entire study area, and calibrated the City's hydraulic model of approximately 1.0 million feet using InfoWorks.
ARCADIA,
FLORIDA
Project Manager for a sanitary sewer evaluation survey
intended to assist the City with disaster recovery required as a result of
Hurricane Charley occurring on August 13, 2004. Project scope includes
identification of inflow and infiltration (I/I) sources that are entering
the City’s wastewater system from deficiencies and damage that may be
attributed to Hurricane Charley. Field services include approximately
200,000 lf of smoke testing, approximately 160 manhole/visual pipe
inspections, CCTV inspections review, and data analysis to determine cost
effective I/I rehabilitation necessary to restore the collection system to
pre-Hurricane Charley condition.
SARASOTA, FLORIDA
Provided Forensic Engineering services including review of CCTV
tapes of sanitary sewer and metallurgic reports to analyze and provide
recommendations for maintenance, descaling and rehabilitation for the
Sarasota Square Mall study area.
PHOENIX, ARIZONA
Project Manager for multiple projects for the City of Phoenix, Arizona including CMOM Risk Assessment and Capacity
Assurance Plan, Hydraulic Model Validation, Master Plan Update, Pilot I/I Study and Hydraulic Model and Master Plan
Update, and Lift Station Flow Capacity Study. The scope of work included temporary flow monitoring at 172 locations throughout the City’s wastewater collection system, evaluation of the City’s current Pipedream? hydraulic model,
recalibration of the City’s Pipedream? hydraulic model, identification of CIPs and reporting. The current hydraulic model contains more than 100,000 sewer nodes and is believed to be one of the largest hydraulic models developed in the world.
SCOTTSDALE, ARIZONA
Project Manager for 35-site flow analysis program for the City of Scottsdale, AZ.
TEMPE, ARIZONA
Project Manager for Sanitary Sewer Master Plan Hydraulic Model for the City
of Tempe, Arizona. The scope of work included evaluation of temporary flow
monitoring data at various locations throughout the City’s wastewater
collection system, evaluation of the City’s current Pipedream©
hydraulic model, calibration of the City’s Pipedream©
hydraulic model, and reporting.
PEORIA, ARIZONA
Project Manager for Sanitary Sewer Master Plan Hydraulic Model for the City
of Peoria, Arizona. The scope of work included temporary flow monitoring at
locations throughout the City’s wastewater collection system, calibration of
the City’s Pipedream© hydraulic model, and reporting.
PIMA COUNTY, ARIZONA
Project Manager for Sanitary Sewer Master Plan Hydraulic Modeling for Pima
County, Arizona. The scope of work includes training and support of County
staff in the use of Pipedream© hydraulic modeling software.
KINGMAN, ARIZONA
Project Manager for Sanitary Sewer Master Plan Flow Monitoring for the City
of Kingman, Arizona. The scope of work included temporary flow monitoring at
six (6) locations throughout the City’s sewer system, evaluation of flow
data and reporting.
TOPEKA, KANSAS
CSO/SSO Monitoring: Project Manager of flow monitoring at CSO
locations and major basin outfalls throughout the City’s 580 miles of
combined and separate sanitary sewers. Also managed rainflow monitoring at
sites approximating the centers of the City’s major sewersheds. Provided
flow data compilation for further modeling. Field crews provided training to
City personnel for additional installation & service of flow meters.
East Topeka and Huntoon Basin: Project Manager of an SSES and I/I
study of 147,000 feet of sanitary sewer in East Topeka. Phase I: site
assessment, flow monitoring, rainfall monitoring, and flow data analysis.
Phase II: manhole inspections, smoke testing, flow isolation, TV
inspections, dyed-water testing, building inspections. Phase III:
development of a hydraulic network and a calibrated hydraulic model,
hydraulic gradient and I/I data analysis, and a cost-effectiveness analysis.
Phase IV: creation of an infrastructure rehabilitation master plan.
TOPEKA, KANSAS
Deer Creek East: Project Manager for SSES project in conjunction with
PEC. Scope included training of PEC personnel in inspection and testing
procedures, QA/QC of data, analysis of I/I identification and reporting of
recommendations for cost effective rehabilitation.
JOHNSON COUNTY, KANSAS
Project Manager for multi-phase Johnson County Kansas Collection System Evaluation and Rehabilitation Services including: Tomhawk Creek SSES: Project Manager for hydraulic evaluation of Tomahawk sewer system including, flow monitoring at 13 locations, hydraulic modeling and condition assessment of 72” interceptor sewer system; KCMO Metering Plan: Provided evaluation of meter sites for Johnson County Wastewater Interconnects to KCMO.; Indian Creek Basin SSES: Project Manager for comprehensive flow analysis program including 32 monitoring locations, flow analysis to establish I/I and peak basin flow rates, and recommendations for the County’s InfoWorks hydraulic model.
GARDEN CITY, KANSAS
Project Manager for Wastewater Collection System Study, Hydraulic Model and
Master Plan. Scope of work included flow monitoring, rainfall monitoring,
flow data analysis, manhole inspections, development of a hydraulic model
with scenarios for future growth and capital improvement alternatives as
well as cost-effectiveness analysis.
INDEPENDENCE, KANSAS
Project Manager of a 5-year I/I study and evaluation of the City’s 400,000
feet of sanitary sewer. Scope includes flow monitoring of the entire system
and an SSES in the Priority 1 basins. A hydraulic modeling of the collection
system is being developed using Pipedream©. The model will be used to size
strategic relief sewers, pumping station improvements, and upgrades to the
wastewater treatment facilities.
MONTGOMERY COUNTY, KANSAS
Project Manager for public and private I/I reduction study. Scope included
smoke testing, manhole inspections, cleaning and CCTV inspections and
analysis for rehabilitation and renewal recommendations.
UNIFIED GOVERNMENT OF WYANDOTTE COUNTY AND KANSAS CITY KANSAS
Project Manager for several projects in the Kansas City metro area. These projects include multi-phased system wide CSO flow monitoring and InfoWorks hydraulic modeling. Mr. Hegwald is currently Project Manger for a CSO Separation project in the West and Middle Jersey Creek Drainage Areas that includes 122,000 lf of combined sanitary sewer. Work tasks include flow monitoring, manhole inspections, smoke testing, GPS survey of all manholes, building inspections, development of CIP and reporting.
SPRING HILL, KANSAS
Project Manager for flow monitoring study of the City’s wastewater
collection system. Four key locations were selected. Results of the study
were used to identify areas of the system that contain excessive amounts of
rainfall-induced I/I. A follow-up SSES has been recommended to reduce flows,
eliminate the need for additional capacity requires, and minimize hydraulic
upgrading to the City’s wastewater treatment facilities.
PITTSBURG, KANSAS
Performed a comprehensive SSES of 110-mile sanitary sewer system. Included:
flow monitoring, manhole inspections, smoke testing, internal television
inspection, and dyed-water testing. Results were used to implement a
three-year $4 million capital improvement program which included relief
sewer construction, manhole and pipeline rehabilitation, and a
private-sector I/I disconnect program.
NEWTON, KANSAS
Project Manager for an SSES project for the City of Newton. Provided
coordination of smoke testing and manhole inspections for 507,000 feet of
sanitary sewer. The project scope also included a cost-effectiveness
analysis and report of recommended rehabilitation.
HUMBOLDT, KANSAS
Project Manager for a joint SSES project with Shafer, Kline and Warren, P.A,
the City’s principal consulting engineer. The project scope includes smoke
testing, manhole inspections, cost-effectiveness analysis and a final
report. This project includes 94,000 feet of the City’s sanitary sewer
pipeline.
OSAWATOMIE, KANSAS
Project Manager for an SSES project of 155,000 feet of sewer pipeline. The
scope of the project includes manhole inspections, smoke testing, a
cost-effectiveness analysis and a final report.
BONNER SPRINGS, KANSAS
Assisted in a wastewater treatment facility modification project. Determined
hydraulic profile from WWTF influent structure to effluent structure,
reviewed construction drawings and established bid items and quantities.
Improvements to the existing WWTF included addition of fine air bubble
diffusers and static screening.
ATCHISON, KANSAS
Assisted in production of sanitary wastewater lagoon. Reviewed construction
drawings, created layout of site grading details, and determined bid
quantities.
OLATHE, KANSAS
Conducted a comprehensive sanitary sewer evaluation survey for the Citys
Cedar and Mill Creek Watersheds. Coordinated inflow/infiltration source
detection field crews, analyzed identified I/I sources, determined
cost-effective I/I removal using marginal cost based on computer hydraulic
model, determined impacts of sanitary sewer flows due to future growth, and
prepared the final report.
JOHNSON COUNTY, KANSAS
Responsible for field inspection and installation of Insituform inversion
lining of existing sanitary sewers in the Missouri Township Main Sewer
District No. 1.
KANSAS CITY, KANSAS
Placed new sanitary sewer line for the City. Responsibilities included
construction inspection of installation of PVC Concrete Truss pipe and
connecting manhole structures.
FORT WORTH, TEXAS
Project Manager of multiple comprehensive SSES projects throughout the City
of Fort Worth totaling more than 1.5 million linear feet of sanitary sewer.
The projects generally include 1) flow monitoring, 2) I/I characterization,
3) hydraulic model calibration, 4) cost-effectiveness analysis, and 5)
submittal of final recommendations.
MARSHALL, TEXAS
Project Manager providing training and supervision of crews who
conducted a sanitary sewer evaluation survey for the City. Project tasks
included training for manhole inspections, smoke testing, and dyed-water
testing. The scope also included final analysis and report and
prioritization of inflow/infiltration targeted for removal.
ARLINGTON, TEXAS
Project Engineer for the SSES in the Area Y Study Area. Responsible for I/I
data review, development of the system hydraulic model, analysis of I/I
impacts, model calibration, cost-effectiveness analysis, capacity
requirements, optimal I/I reduction goals, recommended rehabilitation
requirements and the draft and final reports.
AUSTIN, TEXAS
Project Manager of multiple comprehensive SSES projects in the Williamson
Creek and Govalle Drainage Basins totaling more than 0.6 million linear feet
of sanitary sewer. The projects generally include 1) flow monitoring, 2) I/I
characterization, 3) hydraulic model calibration, 4) cost-effectiveness
analysis, and 5) submittal of final recommendations.
BURLESON, TEXAS
Review of flow and rainfall monitoring data, creation of analysis of Q vs i
comparisons, estimation of projected peak wet-weather flows for various
design storm events, draft and final reports, and presentation of results to
the City.
SOUTHGATE WATER & SANITATION DISTRICTS, ENGLEWOOD - LITTLETON, COLORADO
Project Manager for I/I study/Master Plan of approximately 1 million feet of
sewer system in 8 basins. Implementation of a flow monitoring program
includes installation and data collection of 8 flow monitors and 7
electronic rain gauges followed by flow data analysis. Scope also includes
development of hydraulic network and calibrated hydraulic model, Future
Growth Analysis and final reporting.
WESTMINSTER, COLORADO
Project Manager for the City’s flow monitoring project. Scope includes
installation of flow meters and data collection for 3 sites. Flow analysis
and reporting was completed.
SPRINGFIELD, MISSOURI
SSES Project Manager for this multi-phase, multi-year rehabilitation project
that includes manhole inspections, visual pipe inspections, building
inspections, smoke testing, data analyses, Q vs. i analyses, and creation of
a computer hydraulic model for the aging 800-mile sanitary sewer system. A
training program for City staff was implemented in I/I source identification
and hydraulic modeling using Pipedream© software.
LITTLE
BLUE VALLEY SEWER DISTRICT, MISSOURI
Conducted a large-diameter
flow monitoring program at 15 locations throughout the District’s
interceptor sewers. Monitoring sites ranged from 12" to 72". Data was
used to evaluate permanent flow metering structures.
BLUE SPRINGS, MISSOURI
Project Engineer of a sanitary sewer evaluation survey. Work involved site
assessment and implementation of a flow monitoring program, flow data
analysis and inflow/infiltration (I/I) quantification. Determined basins
requiring additional studies and provided a report to the city. I/I per
linear foot of pipe was used to identify basins recommended for I/I source
detection.
HARRISONVILLE, MISSOURI
Supervised manhole and pipeline rehabilitation design and creation of closed
caption TV inspection specifications as a follow-up to a sanitary system
evaluation survey of approximately 130,000 linear feet of pipe in the Citys
South Outfall Interceptor.
KANSAS CITY, MISSOURI
Project Manager for several projects in the Kansas City metro area. These
projects include work in the Spring Valley, Fairwood/Robandee, Burlington
Creek, and Rocky Branch Basins, totaling over 400,000 feet of sanitary sewer
pipeline. The scope of work over all of these basins includes an SSES,
hydraulic modeling, defect analysis and a final report on the findings.
RUDIOSO, NEW MEXICO
Provided Forensic Engineering services which included review of
closed-circuit video tapes for fold and form sewer liner, made
recommendations for maintaining or replacing existing liner following
improper liner installation.
ALBUQUERQUE, NEW MEXICO
Provided assistance in a stormwater drainage study. Determined drainage
areas and calculated stormwater runoff tributary to existing and proposed
drainage structures for use in a computer-aided hydraulic model. Provided
preliminary layout of storm sewer pipe and detention facility.
DeKALB COUNTY, GEORGIA
Provided computer hydraulic modeling of 2 million feet of sanitary sewer.
Evaluated impact from inflow/infiltration and analyzed relief and
replacement sewer requirements for a 20-year planning period.
GWINNETT COUNTY, GEORGIA
Performed computer hydraulic modeling of 500,000 linear feet of sanitary
sewer. Evaluated impacts of identified and unidentified inflow and
infiltration and analyzed relief and replacement sewer.
CHAPEL HILL, NORTH CAROLINA
Project Manager for a sanitary sewer evaluation study of approximately
50,000 feet of pipe that resulted in a prioritized plan to identify,
quantify, evaluate and eliminate excessive I/I in the Countryside/Timberlyne
Area wastewater collection system. The project scope included, site
assessment, flow and rainfall monitoring, flow data analysis, supervision of
SSES field crews, creation of a hydraulic network and a computerized
hydraulic model, hydraulic gradient and I/I analysis, a cost-effectiveness
analysis, and final report preparation.
GREENWOOD, SOUTH CAROLINA
Conducted computer hydraulic modeling of 260,000 linear feet of sanitary
sewer. Evaluated impacts of inflow and infiltration and analyzed relief and
replacement sewers.