IH 35 Bexar County (San Antonio, TX)
This project consisted of converting two way frontage roads to one way frontage roads, replacing existing bridges with new bridges, changing ramp configurations and locations, removal of ramps, realigning North and Southbound frontage roads at the intersections, designing new sign bridges, large sign relocations, widening existing lanes and adding safety lighting. Mr. Maldonado’s role was to design traffic control plans, prepare removal layouts, pavement markings and delineation layouts, small sign layouts, roadway plan and profile sheets, intersection layouts, large sign layouts and review lighting layouts.
IH 35/SPUR 422 Interchange Bexar County (San Antonio, TX)
This project consisted of replacing an existing pedestrian bridge with a new bridge, changing ramp configurations and locations, removal of ramps and realigning Spur 422, construction of a proposed NB IH 35 frontage road, new signals, storm sewers, detention ponds, new sign bridges, large sign relocations, widening existing lanes, milling and overlaying existing pavement. Mr. Maldonado’s role was to design traffic control plans. Prepare removal layouts, pavement markings and delineation layouts, small sign layouts, roadway plan and profile sheets, intersection layouts, large sign layouts and review lighting layouts.
FM 306 Comal County (New Braunfels, TX)
This project was located on FM 306 from River Chase Way to IH 35. This project consisted of developing a schematic which incorporated a rural section and an urban section. The rural section consisted of 4 lanes with a median and shoulder. The urban section consisted of 4-lanes with a raised median, shoulders, curb and gutter with sidewalks and a storm sewer. The rural section was to be treated as a widening where the urban section was going to consist of full depth reconstruction. Mr. Maldonado’s tasks consisted of setting vertical profiles, determining which drainage structures to extend, preparing typical sections and determining approximate size of a vegetative filter strip to be used to satisfy aquifer regulations. Mr. Maldonado also prepared proposed cross sections for the entire project.
FM 306 Comal County (New Braunfels, TX)
This project was located on FM< 306 from US 281 to River Chase Way. This project consisted of determining Super 2 locations and creating a schematic. Mr. Maldonado recreated profiles from existing as-builts utilizing GEOPAK. He then evaluated the grades throughout the project and determined the locations for the Super 2 based on the design criteria. Mr. Maldonado then determined if any drainage structures needed to be extended. He then determined flow line elevations and placed the structures on the schematic.
Bandera Rd Bexar County (San Antonio, TX)
This project consisted of planning and developing several design options to improve traffic flow along Bandera Rd. Mr. Maldonado developed several options and typical sections for [planning purposes. Each option consisted of possible alignments meeting various design criteria.
Loop 1 Travis County (Austin, TX)
This project consisted of developing a schematic for Loop 1 located in Austin, TX from Parmer Lane to US 183. The schematic reflected a widening to Loop 1 providing a managed lane to the inside and would also require widening a bridge. Mr. Maldonado developed vertical profiles from existing as-builts utilizing GEOPAK. He also calculated superelevation transitions to ensure they met design standards. He developed cross sections to determine retaining wall locations and earthwork quantities. Mr. Maldonado also developed a conceptual traffic control plan and constructability report for the project.
Bay City Hike and Bike Trail (Bay City, Texas)
This project consisted of providing a hike and bike trail that would link up all the schools and provide a safe route to each school for the children. Mr. Maldonado’s primary role was to determine the safest location to put the trail, to create horizontal and vertical alignments and add striping where necessary, including all aspects of design.
Cedar Drive (Portland, Texas)
This project consisted of constructing a 2-lane urban street with a curb and gutter and parking lane. Mr. Maldonado’s primary role was to design the storm sewer system, once the drainage areas and size of pipes were determined; this also included the design of the inlets. He also set up the drainage plan and profile sheets and designed the Storm Water Pollution Prevention Plans (SW3P).
SH 159 Austin County (Industry, Texas to Bellville, Texas)
This project was located along approximately 14 miles of SH 159 between Industry and Bellville. This project consisted of upgrading the existing rural road for a 70 mph design. Mr. Maldonado designed the vertical and horizontal curves that did not meet the 70 mph criteria. This consisted of reconstructing the roadway in some areas and in other areas the roadway was widened.
FM 153 Fayette County (North of La Grange, Texas)
This project was located on a rural section of FM 153, and it consisted of rehabilitating the existing roadway. Mr. Maldonado designed the horizontal and vertical alignments for the PS&E package. He also designed the traffic control and the construction pollution mitigation sheets for the project.
US 181 San Patricio County (Gregory, Texas)
This project was located along US 181, and it consisted of constructing mainlanes, frontage roads, and ramps on a new location. Mr. Maldonado designed the vertical alignments for the frontage roads and intersecting roads. He also designed all of the horizontal and vertical alignments for the proposed ditches. Mr. Maldonado also coordinated activities between TxDOT and the office. Mr. Maldonado was also involved with a change order that consisted of changing the design of the storm sewer. He was also responsible for running hydraulic calculations and software to ensure proper storm sewer design. Mr. Maldonado also calculated the quantities related to the change order.
BU 59 Wharton County (El Campo, Texas)
This project was located along BU 59, and it consisted of upgrading the storm sewer. Mr. Maldonado was responsible for completing the plan sheets and developing a construction estimate for the design. He was also responsible for developing the traffic control for the various phases of construction.
CR 106, CR 107, CR 180, CR 261, CR 319, CR 335 Karnes County
These projects consisted of a series of off-system bridge rehabilitations. Mr. Maldonado designed the horizontal and vertical alignments for the above locations. He also designed the riprap that was involved for each bridge. Mr. Maldonado was also responsible for the proposed cross sections for each bridge.
SH 357 Nueces County (Corpus Christi, TX)
The estimated $6 million project was for TxDOT in Corpus Christi, Texas. This 3.04 mile highway design consisted of designing a four-lane highway with a continuous left turn lane, replacing a bridge, several cross drainage structures, and add sidewalks along the R.O.W. Mr. Maldonado designed several schematics consisting of several options. He designed all of the alignments including a right turn lane connecting FM 665 to SH 357. Mr. Maldonado also designed all of the intersections that tied into SH 357. He also verified all of the driveway and intersection radiuses.
CR 61 N, CR 61 S, CR 66 in San Patricio County (Portland to Sinton, Texas)
The scope of this project was to replace existing bridge facilities in San Patricio County. Mr. Maldonado’s role in this project was to create the horizontal, vertical alignments, traffic control plans and process proposed cross sections.
SH 130 Williamson to Guadalupe Counties (Georgetown to Seguin, TX)
The estimated $1.3 billion project was for TTA in Pflugerville, TX. This particular highway was a toll road facility and consisted of multiple teams in roadway, drainage, bridge and tolls. Mr. Maldonado was responsible for creating drainage areas, determining Runoff Coefficient values, Runoff Curve Numbers, time of concentrations and the Rational Method or National Resource Conservation Service (NRCS) method to calculate maximum flows. He also designed the Storm Water Pollution Plans (SW3P) for each of the segments and coordinated all utilities for each segment.
US 77/83 Cameron County (Pharr, TX)
The estimated $64 million project was for TxDOT in Pharr, Texas. This 7.6 mile highway design consisted of reconstruction and widening of the existing expressway main lanes from a four-lane depressed median section to a six lane facility, including reconstruction and widening of existing frontage roads as well as replacement of existing overpasses. On this project Mr. Maldonado designed the traffic control plans for the construction of the freeway facility. His responsibilities included construction phasing, temporary detours, intersection detours, temporary drainage, and temporary signing and striping.
US 77/83 Cameron County (Pharr, TX)
The estimated $25 million project was for TxDOT in Pharr, Texas. The design of 2.3 miles of US 77/83 consisted of widening the existing four-lane roadway to a six-lane highway and the reconstruction and widening of the existing frontage roads to three-lanes. The design aspects of the package included roadway and bridge design, hydraulic design, traffic control, and retaining walls. Mr. Maldonado designed the traffic control for the construction of the freeway facility. He designed all of the temporary detours, intersection detours, and temporary signing and striping. Mr. Maldonado also calculated the material quantity for this section of project. He assisted in the completion of the proposed MSE retaining walls. He also assisted in making adjustments on the vertical profiles and preparing the sheets as well as completing the drainage plans by making adjustments as needed.
SH 71 Travis County (Austin,Texas)
Two segments consisted of 3.2 miles for an estimated $41.5 million. This project required total reconstruction of the main lanes and frontage roads, as well as new bridge structures. Mr. Maldonado was responsible for obtaining the survey information and converting the metric coordinates to english coordinates implementing the NAD 83 procedures for conversion. He also worked closely with land surveyors and the Austin Bergtsrom International Airport officials as well as land developers and business owners to determine a route that would be both economical and feasible. Mr. Maldonado then designed several alternatives for the freeway facility, which consisted of preparing horizontal and vertical alignments in accordance with the design manual by implementing GEOPAK. Once an alignment was chosen Mr. Maldonado proceeded in designing the vertical and horizontal alignments for the main lanes, frontage roads and ramps. He also designed the intersections and the placement of the bridge structures at the cross streets. He was also responsible for determining additional right of way acquisition to accommodate the freeway facility. Mr. Maldonado also created a cost estimate for the project. In addition to design, Mr. Maldonado also held public meetings informing the public of the design and answering questions