The Wallace Group

CHISHOLM TRAIL SUD RONALD REAGAN 24-INCH WATER MAIN
WILLIAMSON COUNTY, TEXAS

Scope of Work: Planning, design and construction of a 5 mile, 24-inch and 30-inch water main project along Ronald Reagan Boulevard, including a crossing of the South San Gabriel River. Design Survey, Level A SUE, and 11 easement parcels for acquisition were completed. In addition to the One-Call utility locater markings, TWG used its nondestructive vacuum excavation equipment to expose a gas line at critical points.

FORT HOOD PIPELINE IMPROVEMENTS
FORT HOOD, TEXAS

Scope of Work: TWG is the managing engineer for an $8M high profile design-build project. The 17,000 LF, 42-inch wastewater main for Ft Hood (American Water) crosses downtown Killeen. The main must be in service for the new $900M military hospital being built at Ft Hood. TWG is providing project management, design, survey, SUE, and construction administration services. The project includes preparing 30 easement parcels for acquisition.

ROUND ROCK WASTEWATER COLLECTION SYSTEM REHABILITATION
CITY OF ROUND ROCK, TEXAS

Scope of Work: TWG assisted the Engineer and City in providing horizontal & vertical surveying of 27,900 LF of wastewater lines and 216 repair points in 15 different basins. The projects included preparing and staking 5 easement parcels for acquisition. Projects were performed using GPS equipment and total stations with data collectors. The horizontal and vertical datum was geo-referenced and projected to City of Round Rock Datum.

WACO DAF WATER TREATMENT FACILITY
CITY OF WACO, TEXAS

Scope of Work: Construction is nearing completion on a major expansion and improvement of the City of Waco's water infrastructure. In addition to providing project management and design services for this project, TWG oversaw the surveying and subsurface utility engineering services for the 22-acre site. Surveying included a boundary survey, topographic surveys of the city tracts in addition to neighboring tracts of land, construction staking for a new force main, and tree surveys. In addition, TWG provided multiple Corp of Engineer easements and surveys of any Corp property that influenced the project site. TWG provided Quality Level A services (horizontal and vertical location) for locating utilities at the construction site. Approximately 40 test holes were completed.

BLUEBONNET WSC WATERLINE REPLACEMENT
TEMPLE, TEXAS

Scope of Work: As a part of a 7-mile, 16-inch DIP design project, TWG provided a topographic design survey, easement descriptions, and construction staking; and Level A SUE Services (horizontal and vertical) for locating all utilities with magnetic locators and radio detection equipment along the alignment with approximately 50 test holes completed. One-call tickets were initiated to identify utility providers within project limits

BELL COUNTY WCID #1 36-INCH WATER TRANSMISSION MAIN
BELL COUNTY, TEXAS

Scope of Work: TWG provided survey, design, and construction phase services for a 12-mile long, 36-Inch DIP Water Transmission Main that replaced a 24-inch water main from Nolanville through Harker Heights and Killeen to Fort Hood. This project included topographic design survey, easement descriptions, and construction staking; and Level A SUE Services (horizontal and vertical) for locating all utilities with magnetic locators and radio detection equipment along a 12-mile main alignment. One-call tickets were initiated to identify utility providers within project limits. Approximately 100 test holes were completed.

KILLEEN EASTSIDE INFRASTRUCTURE, PHASES I & II
CITY OF KILLEEN, TEXAS

Scope of Work: This project included topographic design survey, SUE services, easement descriptions, construction staking, civil design and construction administration and field observation services for the design of 71,000 LF of 16-inch through 24-inch ductile iron pipe, and 43,000 LF of 12-inch through 42-inch wastewater main. The project included preparation of 16 easement parcels for acquisition, One-Call utility locater markings, and nondestructive vacuum excavation equipment to expose certain utilities at critical points.

BRUSHY CREEK ROAD (US 183A TO PARMER LANE) RECONSTRUCTION PROJECT
CITY OF CEDAR PARK, TEXAS

Scope of Work: Topographic design survey and SUE services for a 2 mile segment of Brushy Creek Road, including One-Call utility locator markings and utilizing our nondestructive vacuum excavation equipment to expose certain utilities at critical points. TWG provided primary horizontal control and benchmarks.

CARROLLTON GPS/GIS LOCATION OF WATER UTILITIES AND STREET LIGHTS
CITY OF CARROLLTON, TEXAS

Scope of Work: This project included using existing CORS stations, including the new site set at the office of TWG, to locate 3,935 existing water valves, gate valves, transmission valves, water vaults and fire hydrants in the City of Carrollton. Once completed, the next task was to locate all 5,089 light poles within the city limits. Horizontal and vertical control was established using the CORS stations, along with verifying the City of Carrollton's primary control. We obtained several attributes for each point, and provided this data to the city in a digital format for use in their GIS and Utility Departments.

DUNCANVILLE GPS CONTROL NETWORK
CITY OF DUNCANVILLE, TEXAS

Scope of Work: This project included setting up the Primary Control Network for the City of Duncanville. Monuments were set on a one-mile grid. Horizontal control was established using rapid static data collection procedures. All vertical data was established using GPS rapid static procedures and verified with conventional levels. Vertical datum was provided relative to both NAVD88 and FEMA. Once our work was complete, we provided data sheets for each point along with a book which included the data sheet for each of the 18 points set, a summary of methods used, and an overall vicinity map showing the location of each point relative to the overall city limits. These data sheets are also available on the city's website.

FORT WORTH EASEMENT PREP FOR AT&T FACILITIES AT FW SPIKES AIRPORT
CITY OF FORT WORTH, TEXAS

Scope of Work: This project included property boundary research for the applicable deeds and plats, etc, in addition to the locations of the existing improvements, with everything located relative to the existing Airport Control Monuments and their local datum, the North American Datum of 1927 (NAD27). This project also included coordination with DIGTESS, for the location of the existing AT&T facilities and other utilities in the project area.

MIDLOTHIAN ANNEXATION PROJECTS
CITY OF MIDLOTHIAN, TEXAS

Scope of Work: Multiple annexation projects that included the necessary research, office computations, and drafting to produce plats and field notes for annexation. This included several thousand acres of land.

UPPER TRINITY REGIONAL WATER DISTRICT - PROPOSED LAKE RALPH HALL
FANNIN COUNTY, TEXAS

Scope of Work: This project included horizontal and vertical surveying of 14,000 LF for the centerline profile of the Embankment/Dam for proposed Lake Ralph Hall. Control for the survey was set using GPS equipment relative to NGS primary control already set for the lake. All on the ground surveying was completed using conventional total stations with data collectors. This project included our dealing with local politicians and representatives, as well as multiple landowners (some hostile). We also located several bore locations and cut line through most of the alignment (not being allowed to cut any trees large then 2 inches in diameter). We were also asked to use maps and other data to locate any existing cemeteries in the area. We even located one cemetery that no one knew was there.

ARLINGTON AREA "Y" AND AREA "C" UTILITY REHABILITATION
CITY OF ARLINGTON, TEXAS

Scope of Work: These projects included horizontal and vertical surveying of 27,465 LF of water and wastewater lines in various parts of the city. Control for the surveys was set using GPS equipment relative to City of Arlington primary control. All on the ground surveying was completed using conventional total stations with data collectors. Several easements were prepared for applicable tracts.

FRISCO WATER TRANSMISSION MAIN ALONG ROLATER ROAD
CITY OF FRISCO, TEXAS

Scope of Work: This project included horizontal and vertical surveying of 11,250 LF of a 42-inch water transmission main along Rolater Road, from Coit Road to Preston Road. Control for the survey was set using GPS equipment relative to City of Frisco primary control. All on the ground surveying was completed using conventional total stations with data collectors. This project included sending out and confirming Right-of-Entry letters to the affected landowners, as well as preparing easements for these same tracts. We also staked proposed Easement corners and "potholed" various areas for the location of existing underground utilities using TWG's Vacuum Excavator. Our engineering department prepared a Traffic Control Plan and a turn-lane design. This project included the preparation of 6 easements.

CITY OF AUSTIN 2009-2010 SURVEY ROTATION LIST
CITY OF AUSTIN, TEXAS

Scope of Work: AWU Westcampus Waterline Projects: 3 separate topographic surveys for 4,700 LF, 4,530, LF, and 1,220 LF of waterline. TWG also provided primary horizontal control and benchmarks for the contractor.

Avery Ranch-Davis Springs-New Fire/EMS Station: To determine the realignment of a waterline, TWG potholed 3 locations along a 16-inch water main and 6 locations along a 16-inch wastewater line with nondestructive digging equipment. We also performed a boundary verification survey in order to generate an exhibit and legal description for a new water line easement.

Woodview Mobile Home Park Conservation Easements: A 14-acre boundary survey with existing improvements noted was completed in order to generate 3 conservation easement documents and 1 access easement document.

CITY OF AUSTIN 2009-2011 SUE ROTATION LIST
CITY OF AUSTIN, TEXAS

Scope of Work: Elroy Road Waterline Replacement Project: TWG completed 7 potholes to locate an existing waterline at specific locations during the design of a replacement waterline. Travis County ROW use permits were obtained and Traffic Control measures were utilized.

Group 22 - Oakland and Highland Avenue: TWG completed 13 potholes to locate utilities at potential conflict points where new water, wastewater and storm sewer pipe will cross. Lane closures and detours to access the proper locations were required.

WILLIAMSON COUNTY ROAD BOND PROJECTS
WILLIAMSON COUNTY, TEXAS

Scope of Work: As a subconsultant, TWG is providing SUE services for Williamson County roadway projects.

Chandler Rd Phase III: TWG located 20-inch and 30-inch ATMOS High Pressure Gas Mains during the design of a new roadway.

IH 35 / Northbound Frontage Road: TWG located a large diameter High Pressure ATMOS Gas Main along the northern banks of the South San Gabriel River in addition to two other ATMOS Gas Mains for this project that runs north of Westinghouse Road.

US 183: TWG has performed more than 50 potholes to help the contractor locate conflicting utilities lines, thus knowing what needs to be moved, lowered or protected from the construction of a 22,560 LF four-lane divided roadway facility.

RR 620 Intersections with Great Oaks Drive and O'Connor Boulevard: TWG performed 18 potholes locating water and wastewater mains, buried electrical and telecommunication cables, and a gas main in the median and back of curb of this roadway project.