Email: Daniel
Christodoss, PhD, PE
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Email: Daniel
Christodoss, PhD, PE
Resume
Email: Daniel Christodoss Mobile: (817)
894-1357
Dr. Christodoss has
over 30 years of experience in the Civil-Environmental Engineering Profession
starting with construction of a 30 MGD water treatment plant & 2-level
master elevated storage tank in 1980, followed by technology development, pilot
studies, design and construction of water and wastewater treatment plants and
pipelines, asset management, AMR-AMI & water loss reduction, drainage
hotspot remediation, eco-sensitive environmental remediation, city engineering,
preventive maintenance program management, waste to energy/biosolids
and water reuse, water and wastewater plant optimization and stress testing for
higher capacity evaluation, and grant consulting services for
municipalities. His career highlights
include four (4) Awards: (1) the National
Pollution Engineering Award, (2)
Municipal/Industrial/Public
Works/Remediation/Transportation
«
Grant Support to
Cities and Authorities: Assisted City of
«
Program Manager,
« Responsible for
managing construction/preventive maintenance of water distribution systems and
wastewater treatment plants spanning 100 square miles of service area and
serving 150,000 residents
« Saved $20 Million by
doing a hydraulic-treatment stress test to retain the WMARSS wastewater
treatment plant capacity at 37.8 mgd and eliminate
downgrading to 31 mgd and made presentations to TCEQ
« Stabilized operations
budget during energy crisis (natural gas @ $13/mmbtu) by waste to energy
initiatives
« Prepared plans to
provide 24/7 water and sewer service for 150,000 population including line
cleaning, Water/Sewer Mains and Lateral Repair/Replacement, sewer overflows
prevention, valve exercise, and pipe leak prevention
« Prepared Manhole/Lift
Station Overflow Reduction Plan to TCEQ
« Supported the new
satellite WWTP project.
« City Engineer, City of Temple (CIP, Development, and
Building Inspection & Flood Plain Manager): Directed public works
activities, including the design, construction, and operation of roads, traffic
engineering and road alignment feasibility studies, water/wastewater utilities,
and City developments; coordinated maintenance of road and
« drainage systems and traffic
control functions with Director of Services.
« Served as the City
Flood Control Engineer
« Managed roads,
drainage, water and sewer, and subdivision infrastructure projects in excess of
$100 M
« Made presentations to
City Council and Planning/Zoning Commission on Zoning, Plats and Construction
« Managed all
environmental activities associated with storm water permits; and recommended
solutions
«
Southwest Water
Company. Asset Management: Preventive
Maintenance, Capital Project Planning (CAPEX).
Performed:
«
Water/Wastewater
Plant GPS Asset Inventory & Condition Assessment with Condition/Criticality
Ranking
«
Prioritized
Weighted Long Term Capital Improvement Project Program Planning for Multiple
Assets
«
Asset
Preventive Maintenance Schedules/Risk Reduction based on Asset Life, Condition
and Criticality
«
Pro-Active
Maintenance and Rehabilitation/Replacement along with Long Term CAPEX and Risk
Analysis to promote health and safety/longevity
«
Root
Cause of Failure Analysis, Risk reduction measures, Hazard Identification
Failure Modes & Effects Consequence/Criticality Analysis
«
Southwest Water
Company AMR-AMI Design Engineer.
Transitioned Utility from Manual to Automatic Meter Reading and
completed:
«
Evaluation
of Technologies
«
Evaluation
of available funding sources and supported project funding
«
Business
Plan
«
Implementation
of the optimal Automatic Meter Reading Technology for Utilities with RF
frequency remote reading new water meters to maximize the Return on Investment
(ROI).
«
Supported
Construction Administration
«
Project
was the fastest to be implemented in 108 water systems across
«
Project Engineer,
Southwest Water, Water Capacity Planning: Planned for long-term capacity using
population projections, economic outlook and historical trends to increase
water system capacity to match future growth.
Utilized peak and average flow graphical trend predictions to make
future decisions on augmenting groundwater supplies vs. purchasing wholesale
water.
«
Project Engineer,
Southwest Water, Water Loss Program:
Created a
new water loss program by controlling real and apparent losses. Real Loss Control: Performed Cycle-stop valve
installation and testing to quantify reduction in leaks through pressure
equilibration. Apparent Loss Control:
Utilized study identifying significant drop in efficiency for meters that
registered over 1.7 million gallons and proposed replacement of meters with
state of the art automatic meter reading and high accuracy rugged registers.
«
Project Manager,
Trinity River Authority,
«
Designed
backwash pump station and 1.2 MG clear-well: four 350 HP low energy vertical
turbine pumps
«
Performed
preliminary design of parallel 30 and 42 inch 10 mile long transmission main
with booster pump
«
Designed
the new innovative 11 MGD GAC biological de-nitrification filters for nitrate
and taste and odor removal combined with conventional filtration (lifetime
savings $11 million). Completed an
online pilot study at the plant, prepared a pilot study report and submitted a
patent application for this innovative biological technology.
«
Program Manager,
WMARRS Regional WWTP Saved
approximately $20 Million by doing a stress test to retain the WMARSS
wastewater treatment plant capacity at 37.8 mgd and
eliminate downgrading to 31 mgd. Made presentations
to TCEQ on the highlights of the stress test and received approval for
maintaining the existing rating for the WWTP. Initiated and managed
waste to energy initiatives for biogas to electricity, and biogas reuse for
conversion of sludge to soil conditioner, plus receipt of high BTU waste from
industries and FOG conversion to biogas in anaerobic digester. Bio-solids were thickened to high energy
residuals using dissolved air flotation and sludge digested anaerobically
to produce biogas for conversion to electricity. Teamed with Minute Maid and many other
industries in
«
Program Manager,
«
Trinity River
Authority
«
Project Manager, City
of
«
Alt
1: Replacing existing triplex pumps to better match the existing system curve
and adding a new booster pump station
«
Alt
2: same as "1" except adding two - booster pump stations
«
Alt
3: Replacing existing triplex pumps to better match the proposed pumping conditions; and constructing a new
effluent flow equalization/storage basin at the Ash Creek WWTP, that will link
to the existing effluent/storage basin, and will normalize peak discharge
flows.
«
Trihalomethane Removal in Storage Tanks
Designed
innovative technology to implement removal of trihalomethanes
in purchased surface water:
«
Cost
of implementation was $0 since existing equipment configuration was used.
«
System
out of compliance attained TCEQ compliance with technology
«
«
City of
«
Project Manager, Highway 199 Sewer line Crossing, Ash Creek Sewer line
Relocation: Design
involved the replacement of an existing 8 inch aged sewer line with a new 12
inch line by methods other than open cut since the line crossed a busy highway.
Performed hydraulic design to select optimum pipe and grade.
«
Project Manager, Azle Water Treatment Plant Evaluation: Identified possible
causes for the high turbidity at the transfer station and recommended that the
caustic feed be relocated to a zone of high mixing upstream of the transfer
station.
«
Tamilnadu Water Supply and Drainage Board New 30 MGD Water
Treatment Plant: Verified design and performed construction
oversight/O&M for a 30 MGD water treatment plant and control building at an
elevation of 2,500 ft to convey and provide drinking water to a metropolitan
city in the valley (40 miles away).
« System included a
surface water intake, spray nozzle aeration chamber, chemical house, clari-flocculator, filter house
with shell roof, pump house/main control station, and clear water reservoir.
« Verified design and
oversaw construction of control building for the 30 MGD water treatment plant.
«
Performed
field investigations for laying water supply mains and designed water/waste
systems.
«
Senior Project
Engineer, Kelly/Brooks Air Force Base, Industrial Water Treatment and
Environmental Remediation: Field engineer for optimization of the Unipure
industrial heavy metals co-precipitation treatment plant; performed a
comprehensive study of process parameters for enhancing treatment performance
and meeting NPDES limits. Published report summarizing operating guidelines for
achieving maximum efficiency.
«
Performed
a hydraulic design upgrade to the existing Groundwater Treatment Plant (GWTP)
in a design-build process, and oversaw construction. Functioned as the general
contractor for the project. Prepared concept for radio monitoring and control
from 7 automated remote pump stations. Integrated 1,000 gpm
industrial plant into 500 gpm
GWTP to reduce costs and utilize both infrastructures effectively. Performed
hydraulic design and construction oversight of lift/pump station, recovery well
pumps, silt traps, below ground piping, mechanical and instrumentation
components. Evaluated Interim Stabilization Measures for Sites A, B and C
contaminated with Heavy Metals from Plating Operations, Free Product,
Chlorinated Solvents in soils and groundwater exceeding TCEQ limits.
«
Resident
Support Engineer at Brooks AFB for conducting engineering evaluations and
system cost analysis and recommended, designed, and oversaw reengineering
projects as required to ensure optimal operation.
Project Engineer, Southwest Water,
Hydraulic Design/Filter Backwash Pump Design: Prepared a hydraulic
model of backwash systems at two water plants to evaluate piping upgrade and
pump replacement options to meet the minimum backwash flow requirements
established by TCEQ. Performed extensive Hydraulic Design and
Modeling to select optimum pipe and pump. Performed chemical feed and booster/well pump
designs to attain optimal efficiency.
«
Project Engineer,
Southwest Water, Sludge Dewatering Project: Evaluated available technologies and selected
a new technology to provide a sludge volume reduction of 94% at a wastewater
plant documented in the business plan/ROI in coordination with pilot testing at
the facility.
« Senior Feasibility Study
Engineer, Jacobs Engineering, Oak
Ridge Y12 Plant Remediation.
·
Prepared
feasibility studies, proposed plan, ROD, construction oversight and monitoring
plan for 5-year CERCLA review.
·
National
Pollution Engineering Award for Eco-sensitivity in Engineering. Provided
support to DOE in public meetings.
·
Received
commendations from DOE for escalation of milestones resulting in savings of
over $2M in overall costs leading to finalization of a Feasibility Study,
Proposed Plan, ROD, Remedial Design, and Remediation 7 years ahead of the
original schedule.
«
City Engineer/Manager
City of Azle Flooding Hotspots
«
In
lieu of doing a drainage master plan, the focus of this project was to:
·
Identify
drainage solutions and prepare conceptual designs for 10 of the 25 flooding hot
spots in the City of
·
These
10 hot spots were flood prone areas ranging from businesses and residents to
major streets that have to be closed frequently during rainstorms
·
Conceptual
design plans were submitted
Performed
hydraulic and drainage analyses for different storm frequencies using Haestad-Bentley hydraulics and drainage software and
sized-designed structures for flood control, drainage and erosion protection
«
Program Manager, City
of
«
City Engineer, City of
«
Azle Development/Construction Plan Reviews: Reviewed development
and construction plans for conformity with City of
«
Feasibility Study
Engineering Group Leader, Jacobs Engineering:
Conducted
weekly meetings for engineering staff and prepared presentations on emerging
treatment technologies for contaminated soil, groundwater, and sediment.
«
Project Engineer,
Chanute AFB, IL: Developed
an environmental Cleanup Plan for the demobilization, closure and spill control
and discharge plan for remediation of a landfill and a test site contaminated
with metallic and organic contaminants.
«
Task manager, Jacobs
Engineering, for the K-25 Project: Prepared a ROD for a
classified, contaminated burial ground and engineering studies for in situ vitrification and chemical oxidation of a pit contaminated
with volatile organics and radionuclides, and
remediation of PCB-contaminated ponds.
«
Senior Engineer,
Jacobs Engineering, for restoring contaminated auto
salvage sites: Prepared Engineering
Evaluation/Cost Analysis and Specifications for Magnetometer Surveys to
identify buried objects, Soil Sampling with Geoprobe
Sampling Systems for site contaminated with PCBs, radiological constituents,
organics and heavy metals including mercury.
«
Senior Environmental
Engineer, SAIC Project manager for an Engineering Evaluation/Cost
Analysis-Environmental Assessment (EE/CA-EA) for Formerly Utilized Sites
Remedial Action Program (FUSRAP).
«
Prepared
regulatory requirements package for Creek Environmental Impact Statements.
Performed an environmental audit of the Paducah Gaseous Diffusion Plant (PGDP),
«
Civil Engineer,
Bechtel EnvironmentaL: Principal
Investigator for development of an innovative technology in hazardous waste
treatment & waste minimization including conceptual design of sewer and
treatment systems to convey water (via railroad crossing) from blow-down, tank
farm sinks, metal frame warehouse and a 2 story concrete block warehouse to a
sanitary sewer after being treated in an activated carbon unit.
«
Performed
hydraulic design of storm sewer system, sumps and catch basins based on the 25
year storm. Performed structural
analysis of manholes for a FUSRAP project to prepare specifications for
purchasing the appropriate manhole to accommodate site-specific
requirements. Performed calculations for
determining the bearing pressure, buoyancy, uplift
force, AASHTO soil load on the manhole structure, bending stress, maximum
moment and shear on manhole roof.
Calculated the maximum slope angle based on angle of internal friction,
and the cohesion "c" (for various factors of safety) for a low level
radioactive waste storage pile covered with clean soil and riprap on the slope.
Prepared conceptual design for a soil cover and riprap configuration for the
FUSRAP project
«
City Engineer,
«
Evaluated
three traffic reliever street alternatives across the floodway of Ash Creek to
connect Highway 199, schools, hospitals and interior residential
developments.
«
The
selected alternative was the best configuration to relieve existing and future
traffic conditions on several collector streets during peak hours.
«
Designed
and managed the project which involves a 3,000 ft long road with a 900 ft
bridge over the floodway of Ash Creek with piers driven into shale, and
drainage (storm collection system comprised of inlets and flume combinations)
and water-sewer improvements. Coordinated the Section 404 permit with the Corps
of Engineers.
Email: Daniel
Christodoss, PhD, PE
Project Photos
|
Proj Mgr: Trinity River Authority |
Proj Mgr: Carbon Biological Filter for Nitrate Removal from |
Proj Engr: Kelly AFB Groundwater Chlorinated
Solvent UV/H2O2 Reactors Capacity Upgrade |
|
Engr: Trinity River Authority Same Footprint Expansion |
Prog
Mgr: WMARRS Wastewater Treatment Plant-Texas Environmental Excellence Award |
Proj.
Engr: Kelly AFB Unipure
Heavy Metals Treatment Plant Construction/Treatment Optimization |
|
Prog Mgr: 36-inch Sewer Line Construction Over Sinkhole on
major Street in |
Asset Mgr: Reverse
Osmosis Plant Asset Management-Condition-Criticality Assessment-Long Term CIP
Planning |
Asst. Engr: 30 MGD Water Treatment Plant Design
Verification/Construction |
|
Design Report Mgr:
for WWTP Pump Station Upgrade at the City of |
His project management
efforts led to the National Pollution Engineering Award to USDOE for
Eco-Sensitive Remediation at the Y-12 Plant Coal Ash Dam in Oak Ridge, TN |
City Engineer/Mgr: Design included gardens,
bird blinds, landscaping & irrigation, lighting, recreation facilities
& ball fields, drainage system and a detention pond. |
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|
Proj Mgr: Implemented innovative technology for trihalomethane removal in purchased water to attain
compliance |
Radio Frequency RF
Remote Driveby Read Proj
Mgr: Transitioned a 35,000 connection count Central, South, North, E Texas
108 diverse Utilities from Manual to Automatic Meter |
Design Manager:
3,000 ft long road 900 ft bridge over Ash Creek at City of |
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|
His Program
Management at City of Waco led to the Texas Environmental Excellence Award to
the City for Methane to Energy, Industrial High BTU waste collection and
treatment, Waste Reduction & Pollution Prevention |
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Email: Daniel
Christodoss, PhD, PE