Hayden Consultants has earned a reputation as the go-to firm for design of complex water resource planning and design. Our clients come back to us again and again to take advantage of our problem-solving expertise in water and wastewater design, storm sewer design, drainage and floodplain studies and watershed modeling. We have designed ten distinct vegetated median bioswales as an innovative way to treat storm water runoff. The bioswales are designed to treat runoff for water quality while still providing flood protection from the 100-year storm event. The design of the vegetated median bioswales received the 2012 ACEC Texas Engineering Excellence Gold Medal award.
We provide Quality Control and constructability review for all water resource projects. This includes providing design, survey, utility coordination, and plan production which we have done for several Texas entities. Many of our professional engineers are Certified Floodplain Managers. They are experienced using experience using Microstation, Geopak, ArcGIS, Microsoft Access, TMUTCD, TxDOT Hydraulic Design Manual and TxDOT Roadway Design Criteria, in addition to Design Criteria for several municipalities throughout Texas. Hayden has prepared the hydrologic analysis on the SH 360 from Camp Wisdom Road to US 287 project for 10 major watersheds that ranged in size from 140 acres to over 68 square miles.
Hayden performs H&H modeling, hydraulic reports and plans as well as survey and SWPPP. We prepare reports and exhibits for permitting that delineates existing versus proposed floodplains on aerial maps showing the 100-year floodplain.
Hayden Consultants has a team of professional engineers and CADD technicians and we are well-versed in multiple software suites. We use Microstation Geopak for our storm drainage design efforts. We also extensively use Arc-GIS, Arc-Hydro & HEC-HMS to perform Hydrologic calculations in determine project flows. Our hydrologic software allows to incorporate calculations that may involve storage, multiple land-use or complex routing of urban basins. We also use Arc-GIS’s GEORAS along with HECRAS for performing 1D and 2D hydraulics. Our team is also certified in HEC-RAS 2D & XPSWMM for situations where 2D modeling is necessary, such as urban floodplain sensitive, flat areas, in-line and lateral detention areas. The 2D modeling software is used in more complicated situations, where overland flow will need to be captured, to demonstrate real-world storm simulations modeling creeks, storm drains, culverts, weirs or detention ponds simultaneously.
Our innovative process reduces time and costs by utilizing Arc-MAP software along with ARC-HYDRO extension to import Digital Elevation Models (DEMs) by using the geospatial data to automatically delineate the watersheds using ARC-HYDRO prior to receiving topographic survey. Once survey is complete the same DEM files can be used to create an existing surface terrain by combining detailed survey and DEM, and then setup the base geometry in GEORAS before exporting cross-sections into HEC-RAS. The merged surface can also be helpful in expanding the project limits for laying out detour routes or providing earthwork quantities from roadway cross-sections. Our process allows HEC-RAS and roadway modeling to move forward with only minimal survey, with increased accuracy cost & time savings in design.
Some of the drainage services we offer include:
- Master drainage and watershed plans
- Hydraulics and hydrology modeling
- Bioswale and biofiltration system design
- Low Impact Design (LID)
- Storm sewer systems
- Bridge/culvert/channel hydraulics
- Detention design
- Regional and sub-regional detention
- FEMA LOMAs, CLOMRs and LOMRs
- NPDES storm water facilities
- Coordination with FEMA and Corps of Engineers
Some of our clients have included TxDOT Districts (Fort Worth, Dallas, Odessa, Amarillo, San Antonio, Austin, Brownwood & Bryan), North Texas Municipal Water District, North Texas Tollway Authority (NTTA), DFW International Airport, Dallas County and Denton County.