Staff Contact List
Contact the Office of Construction
Fax: 515-239-1845
Greg Mulder, P.E.
Office Director
515-239-1843
- Contract administration
- Specification Committee
- Construction Quality Management programs
- Contract disputes
- Construction staffing strategies
- Training Academy
- Construction policies and guidance
Thomas R. Jacobson, P.E.
Assistant Office Director
515-239-1453
- Contract administration
- Substantial change orders
- Project engineer assignments
- Davis-Bacon predetermined wages
- Disadvantage Business Enterprise (DBE) requirements
- OSHA
- Hazardous waste
- Demolition
Mark Bortle, P.E.
Traffic Safety Field Engineer
515-239-1587
- Traffic control, lighting, signing, traffic signals
- Work zone speed limits and Extra Enforcement
- Pavement markings
- Project work zone safety contact
- News media and public relations
- Temporary Barrier Rail for traffic control
- ADA compliance
- Automation initiatives and IP Plan development
- ITS
Kyle A. Frame, P.E.
Foundations Field Engineer
515-239-1619
- Pile Foundations
- Wave Equation Analysis
- Log of Piling Reports
- Pile Dynamic Analyzer testing
- Drilled Shafts
- Spread Footings
- Structural Walls (MSE, soil nail, tie back, noise, temporary sheet piling)
- Cofferdams
- Vibration Monitoring
- Bridge Falsework
- Soil foundation systems (geopiers, stone columns, settlement plates)
Kevin Merryman, P.E.
PCC Paving Field Engineer
515-239-1848
- PCC paving/overlay
- Quality Management-Concrete (QM-C)
- Storm/sanitary sewers and intakes
- Pavement preservation (patching, diamond grinding)
- Products Evaluation Committee
- Construction Survey
Jeffrey D. Schmitt, P.E.
HMA Paving Field Engineer
515-239-1013
- HMA resurfacing/paving
- Quality Management-Asphalt (QM-A)
- Base Widening
- Shoulder rumble strips
- Thin maintenance treatments (seal coat, chip seal, micro-surfacing, slurry seal, crack filling)
- Pavement Rehabilitation & Recycling (slab fracturing, cold in-place recycling, RAP)
- Material Transfer Vehicles
Wayne A. Sunday, P.E.
Structures Field Engineer
515-239-1185
- Bridges/Culverts
- Quality Management-Structures
- Bridge approaches
- Guardrail
- Structural concrete
- Structural steel
- Structural steel painting
- Bolting
- High performance concrete
- Railroad agreements
Melissa Serio, P.E.
Earth Work Field Engineer
515-239-1280
- Grading
- Soil Identification
- Soil Stability (Moisture, density, fly ash)
- Slope Stability (Revetments, rock keys)
- Drainage (Roadway pipes, subdrains, blankets, wick drains)
- Erosion Control
- Stormwater Requirements
- Flowable Mortar
- Subbases
- Granular Shoulders
- Landscaping
- Fencing
Rhonda Pecenka
Engineering Technician Senior
515-239-1123
- Cars 511
- Haul Roads
- Contract modification review
- Performance measures
- Construction office website
- Project status and cost reports
- Training materials
Janet Wasteney
FieldManager System Coordinator
641-782-2096
- FieldManager/FieldBook 2 (FM/FB2) Support
- FM/FB2 Software upgrades
- Database queries
- FM/FB2 system testing and evaluation
- FM/FB2 training
Nancy South
Secretary I
515-239-1353
- Processing change orders and final paperwork
- Storm Water Notice of Intents
- Process invoices
- Project Scheduling data entry
- Staff Actions
- Personnel reports
- Budget reports
- Project files and plans
Nancy McMenamin
Secretary II
515-239-1352
- Processing change orders and final paperwork
- Storm Water Notice of Intents
- Process invoices
- Project Scheduling data entry
- Staff Actions
- Personnel reports
- Budget reports
- Project files and plans
