SUBSURFACE UTILITY ENGINEERING

Critical to the design and construction of roadway and aviation infrastructure and building improvement projects is our underground utility locating services. A full array of tools are used in this process to provide accuracy in identifying their location including radio detection designating equipment, ground penetrating radar, and a Utilivac and vacuum excavation truck to pothole existing utilities to determine their exact location, size and elevation.

Courtland Street Bridge Replacement

Atlanta, Georgia

15th Street Substation

Augusta, Georgia

Clear Creek Green Infrastructure Project

Atlanta, Georgia

Downtown Savannah Streetscapes Improvements

Savannah, Georgia

I-20 at Savannah River Bridge Replacement Project

Richmond County, Georgia
Aiken County, South Carolina

MMIP SR400 Express Lanes

Fulton and Forsyth Counties, Georgia

Georgia Ports Authority

Savannah, Georgia

Hartsfield Jackson Atlanta International Airport – Hotel

Atlanta, Georgia

Hartsfield Jackson Atlanta International Airport – Plane Train Extension

Atlanta, Georgia

MARTA Tunnel Project

Atlanta, Georgia

Mercedes Benz Stadium

Atlanta, Georgia

Mt. Vernon Highway to Abernathy Line

Sandy Springs, Georgia

Sandy Springs Center

Sandy Springs, Georgia

Savannah Forsyth Park

Savannah, Georgia

Westside Park at Bellwood Quarry

Atlanta, Georgia

MARKET SECTORS

Governments
(State, Local, and Federal)
Developers
Contractors
Consultants
Utilities
(e.g. Water/Sewer, Gas/Petroleum, Power/Electric, Cable TV, Telecom)

SERVICES

Quality Levels (QLD-QLA)
Ground Penetrating Radar (GPR)
Utility Coordination (UC)
Utility Impact Analysis (UIA)
Sanitary Sewer Inventory
(to obtain Inverts & Connectivity)
Pole Data Table

Courtland Street Bridge Replacement

Atlanta, Georgia

The Courtland Street Bridge Replacement project is located in the City of Atlanta near the Georgia State Capitol building and serves as a major thoroughfare through the downtown campus of Georgia State University (GSU). The Georgia Department of Transportation (GDOT) estimates it sees traffic from thousands of motorists, including more than 30,000 students and staff at GSU. Originally built in 1906, the bridge crosses over two Metropolitan Atlanta Rapid Transit Authority (MARTA) tracks, two CSX Railroad tracks, and Decatur Street. Under the original design-bid-build concept, the closure duration for the reconstruction of the bridge would have been at least 18 months but by using design-build and Accelerated Bridge Construction, the total roadway closure time was five months. Two of the most important goals for this project were to preserve the historical aspects of the original bridge while also reducing the impact that construction would have on the local community, especially considering the central location of the bridge in the middle of downtown Atlanta. To further reduce congestion in the area, the new bridge also added a 12-foot bus lane and expanded sidewalks. Total replacement costs were approximately $21 million. GDOT was recognized by the Design-Build Institute of America (DBIA) for exemplary work on this project.

LONG provided surveying services for the design and construction to install the new bridge between Martin Luther King Jr. Drive and Gilmer Street. LONG provided a roadway database featuring survey for 1600 linear feet along Courtland Street from face of building to face of building, as well as 1000 linear feet under the Courtland Street Bridge from face of building to face of building. Additional surveying services included establishing survey control and developing a survey control package in accordance with GDOT standards.

LONG also provided utility locates and utility coordination as well as a utility impact analysis. LONG supplemented the existing SUE data with refined QLB and additional test holes. Because the construction schedule was so constricted, utility avoidance was critical. Unknown utilities had to be located and dealt with in a matter of days. LONG assisted the contractor (CW Mathews) with coordinating each utility with over 10 different owners. Service lines were the contractor’s biggest problem. Not only were they not shown on the plans they were non-tonable. LONG designated laterals and performed more than 10 THs on service lines alone.

Location

Atlanta, GA

Client

Michael Baker International, Inc.

Services Provided

Land Surveying, Subsurface Utility Engineering (SUE), and Utility Coordination

Date Completed

2018

15th Street Substation

Augusta, Georgia

Georgia Power Company contracted with Long Engineering (LONG) to provide Subsurface Utility Engineering (SUE) and Land Surveying services for their 15th Street substation upgrade in Augusta, Georgia. LONG provided records research to determine potential utilities in the area along with substation as-built drawings. Quality Level B (QLB) designating was then provided for the 4.4-acre site. Each utility was designated and marked with paint and flags. The designated marks were surveyed, reduced and drawn in DWG format. Deliverables included an AutoCAD file, control values and sketches.

Location

Augusta, GA

Client

Georgia Power Company

Services Provided

Subsurface Utility Engineering (SUE), and Surveying

Date Completed

2020

Clear Creek Green Infrastructure Project

Atlanta, Georgia

This project helped to address combined sewer capacity issues in the Clear Creek West Combined Sewer Basin in the eastern portion of the City of Atlanta. The scope included the construction of a 4 million gallon combined sewer vault located at the Atlanta Civic Center; the construction of a 0.9 million gallon stormwater vault on the property of the Atlanta Housing Authority at Linden Avenue and Central Park Place; and approximately 0.9 million gallons of green infrastructure elements including a combination of bioretention and permeable pavers along city streets. The goal of the project was to improve reliability of the combined sewer system, reduce up to one million gallons of storm water runoff, enhance aesthetic appearance in neighborhoods, and reduce flooding potential.

LONG established survey control in the project area using GPS and tied it to the City of Atlanta control system; provided topographic, utility and tree (identification, labeling and locating trees greater than 6” DBH) surveys for 5,500 feet of the full right of way of Myrtle Street, Willow Street, Nutting Avenue, Linden Avenue, Renaissance Parkway, and Pine Street; and 5,500 feet of half the right of way on Ponce de Leon Ave, Juniper Street, North Avenue, Central Park along Linden Avenue, Central Park along Central Park Place, and Pine Street; and a separate boundary and topographic survey of a 3.2 acre site on the corner of Central Park Place and North Avenue. Underground utilities were also designated, marked and surveyed for all of these areas utilizing electromagnetic and ground penetrating radar to ascertain the subsurface utility conditions present. GDOT SUE Quality Level B standards were adhered to for all subsurface utility investigations as a part of the project scope.

Location

Atlanta, GA

Client

Brown & Caldwell / City of Atlanta

Services Provided

Land Surveying, Subsurface Utility Engineering (SUE), Utility Coordination (UC)

Date Completed

2019

Downtown Savannah Streetscapes Improvements

Savannah, Georgia

In an effort to preserve Savannah’s history and culture, the City of Savannah launched Phase-1 of the Downtown Savannah Streetscapes Improvements initiative which addressed the historic corridors of Broughton Street, Bay Street, and River Street. Conceptual drawings were created that focused on pedestrian and bicycle safety, smart transportation design, historic preservation and opening opportunities for activities and events for both residents and visitors alike. In addition, these updates focused on continuing the drive for green infrastructure goals such as reducing the burden on the existing urban stormwater infrastructure though infiltration and blended streetscape improvement practices.

Long Engineering (LONG) provided surveying services for all three streets, totaling approximately 5 miles of roadway as well as performing QLB subsurface utility engineering (SUE) on Broughton Street from MLK Jr. Blvd. to Broad Street. SUE services included records research, designating, surveying, and CADD. More than 24,000 feet of utilities were identified. Concurrently, LONG’s Land Development division provided civil engineering design input and attending public meetings in the preparation of conceptual designs for all three streets. LONG was responsible for providing full construction documents, including grading and drainage plans, utility plans, and erosion and sediment control plans, for all associated site improvements. Permitting services through the City of Savannah, bidding assistance and construction period services was also provided.

Location

Savannah, GA

Client

EDSA

Services Provided

Conceptual Design, Survey, SUE, Permitting, Construction Documents, Construction Period Services

Date Completed

2018

I-20 at Savannah River Bridge Replacement

Richmond County, Georgia
Aiken County, South Carolina

Superior Construction Company/WSP was awarded the $72 Million Design-Build, I-20 Savannah River Bridge Replacement Project. This project is the replacement of two obsolete bridges on I-20 over the Augusta Canal and Savannah River in Augusta, Georgia. Long Engineering (LONG) provided the survey database for the project area that measured 10,500 feet long by 150 feet wide. This included preparing a survey control package for 119 control points, updating the database within the survey limits, bridge surveys for both eastbound and westbound bridges over each waterway, and verifying river cross-sections at the existing bridge endrolls. A property package for 420 parcels along the I-20 corridor was also completed.

Hydraulic studies included the hydraulic analysis for each bridge over the Savannah River and Augusta Canal, and issuing a No-Rise Certificate and performing a scour analysis. LONG also provided a Bridge Design Review of the proposed replacement bridges.

Subsurface Utility Engineering (SUE) services provided by LONG included Quality Level D for the entire corridor and 13 test holes (Quality Level A). 17 utility companies were coordinated with to resolve potential utility conflicts.

Location

Richmond County, GA
Aiken County, SC

Client

WSP Global, Inc. / Georgia Department of Transportation

Services Provided

Surveying, Subsurface Utility Engineering (SUE), Bridge Hydraulics, and Bridge Design Review

Date Completed

2020

MMIP SR 400 EXPRESS LANES

Atlanta, Georgia

The SR 400 Express Lanes is one of the Major Mobility Investment Program (MMIP) projects to improve mobility along SR 400 (GA 400) in metro Atlanta, one of the most heavily-traveled and congested interstate highways in the state. The GA 400 section focuses on adding two new at-grade and elevated, barrier-separated express lanes in both directions of GA 400 from the North Springs MARTA Station in Fulton County to McFarland Rd in Forsyth County.

Long Engineering (LONG) provided SUE and UC services for the 20-mile project that began just south of Spalding Drive and continued north of McFarland Parkway. It included 15 roadway crossings where the majority of utilities exist. Scope items included Quality Level B (QLB – designating and marking all underground utilities), pole data, sanitary sewer identification, and UC for 15 utility owners. 400k feet of utilities were designated (QLB), 700 utility poles were classified and included in a pole data table, and 200 sanitary sewer manholes had inverts and connectivity identified. The final deliverable included a Memorandum of Understandings (MOU) and Utility Analysis (UA), along with a Utility Matrix showing utilities in conflict with potential costs.

LONG’s scope also included subcontracting and managing the inspection of all storm drainage pipes along the corridor. The inspection was performed using a CCTV robot crawler to inspect 319 manholes, 869 inlets, and 107,000 feet of 18” -48” inch diameter pipe.

Location

Fulton & Forsyth Counties, GA

Client

AECOM / GDOT

Services Provided

Subsurface Utility Engineering (SUE), Utility Coordination (UC)

Date Completed

2020

Georgia Ports Authority

Savannah, Georgia

Long Engineering (LONG) provided SUE services for utility locates on this project for the Georgia Ports Authority. With three different sites included in the scope, the goal was for LONG to provide services in a manner that allowed the team to avoid as many utility conflicts as possible. This risk avoidance process saved the Port hundreds of thousands of dollars in relocation costs.

Services provided included Quality Level D (QLD), records research, and Quality Level B (QLB), designating and locating underground utilities using ground penetrating radar (GPR). Field sketches of the QLB were provided to HGB to use as a QA/QC tool for survey and CAD. LONG began on site 3, and finished on site 1.

LONG performed these services with due diligence and used every reasonable effort to locate utiliites in a manner consistent with industry standards.

Location

Savannah, GA

Client

Hussey Gay Bell

Services Provided

Subsurface Utility Engineering (SUE)

Date Completed

2019

Hartsfield Jackson Atlanta International Airport – Hotel

Atlanta, Georgia

The City of Atlanta is preparing to design and construct s $350 million hotel on the property of the Hartsfield Jackson Atlanta International Airport. The hotel is expected to be a 541 room Hilton hotel and includes 50,000 square feet of meeting space, an office building, a second hospitality component, and a 1,150-space parking deck.

LONG was contracted to provide an ALTA/NSPS Land Title Survey of the 8.4 acre site that defined the lease limits between the City of Atlanta and the hotel developer. Other services provided by LONG included Subsurface Utility Engineering (SUE) Quality Level B (designating and marking underground utilities), surveying the markings, obtaining invert elevations and pipe sizes on storm and sanitary sewer structures, performing a full topographic survey of the site and locating all surface features such as curbs, sidewalks, paved areas, and above ground utility features. A composite ALTA/NSPS, topographic and utility survey was provided to the client.

Location

College Park / City of Atlanta, GA

Client

KHA, Majestic Realty Co., Carter, and GPM Investments LLC

Services Provided

Land Surveying, Subsurface Utility Engineering (SUE), Civil Engineering, Preliminary Design, Construction Documentation, and Permitting

Date Completed

2020

Hartsfield Jackson Atlanta International Airport – Plane Train Extension

Atlanta, Georgia

Clark/Atkinson/Technique is designing and constructing a 700 foot tunnel extension of the existing Plane Train automated people mover system at the Hartsfield-Jackson Atlanta International Airport. Phase 1 includes extensive shifts to the existing traffic lanes for taxis and shuttles (West Curb Improvements). Phase 2 of the project includes tunneling work, as well as changes to elevators and escalator locations within the airport to optimize passenger flow. The tunnel extension goes beneath the existing terminal, MARTA, and SkyTrain systems.

LONG utilized two survey field crews for the Plane Train project. One 3-person field crew was utilized to provide survey control for lidar scanning work inside of the existing plane train boarding level, AGTS level, apron level and mezzanine level. Survey control was established on the surface and transferred to the tunnel levels through escalators. In order to get control points into the ‘donut’ area, an area completely surrounded by existing airport buildings, the survey crew setup on the roof of the building so that they could obtain a line of sight to both the west parking lot and the ‘donut’ area. Once control was established, topographic surveys were completed in the donut and west parking lot.

LONG also provided Subsurface Utility Engineering (SUE) services that included designating, marking and surveying utilities, using Ground Penetrating Radar (GPR), and providing test holes in the donut area and West Curb Shuttle Parking Area.

Location

Atlanta, GA

Client

McMillan Jacobs & Associates, Clark/Atkinson/Technique, City of Atlanta

Services Provided

Land Surveying, Subsurface Utility Engineering (SUE), Civil Engineering Documentation, and Permitting

Date Completed

2020

MARTA Tunnel Project

Atlanta, Georgia

Long Engineering (LONG) was contracted by Northpoint Hospitality Group to provide Quality Level-A Subsurface Utility Engineering (SUE) work for this MARTA tunnel project. The proposed improvements included several types of modifications to the existing facility. Fulton County officials needed to know the exact locations of certain utility lines, as well as what those lines were connected to. The main objective for this project was to effectively identify underground utilities for the county to complete the proposed modifications without any incidents or damages.

LONG performed a total of 13 test holes at various locations to identify the exact location of effluent and influent lines. This provided the county with a roadmap of underground lines, which enabled them to complete the modifications without any incidents. SUE work provided by LONG included performing test holes at a variety of locations within the project limits.

Location

Atlanta, GA

Client

Northpoint Hospitality Group

Services Provided

Subsurface Utility Engineering (SUE)

Date Completed

2017

Courtland Street Bridge Replacement

Atlanta, Georgia

Atlanta Gas Light is replacing part of a natural gas pipeline in Sandy Springs. Southern Company Gas hired Long Engineering (LONG) to replace the 12” steel & 6” high pressure steel pipe replacement in the high-profile area of the Dunwoody triangle of Mt Vernon Highway, Abernathy Rd, and Peachtree Dunwoody Rd in Dunwoody, GA. Services provided were Land Surveying (Right of Way, Boundary,Topographic and Utility), SUE QLB, as well as 40 SUE QLA Testholes. The project focused on retirement in place and replacement of multiple distribution pipelines along rights of way on all 3 roads. It required concentrated levels of municipal coordination and stakeholder engagement due to high density office, retail, MARTA & residential traffic within the project limits. Hours of work were restricted during the day to limit lane closures.

Location

Sandy Spring, GA

Client

Southern Company Gas

Services Provided

Land Surveying and Subsurface Utility Engineering (SUE)

Date Completed

2019

Sandy Springs City Center

Sandy Springs, Georgia

The City of Sandy Springs recently completed an ambitious new project that created a new heart of Sandy Springs. It is a vibrant, walkable, mixed-use development on 17 acres, bounded by Roswell Road, Johnson Ferry Road, Sandy Springs Circle, and Hilderbrand Drive. The $200 million project consists of two apartment buildings with a combined 288 units; a 130,200 SF city office/government center; The Byers Theatre with seating for 1,070 on three levels including box seats; the Studio Theater with a seating capacity for 350 people and a rooftop deck; 26,800 square feet of retail space; a two-level 619 space public parking deck; a 106 space-surface parking lot; and a public park.

Long Engineering, Inc. (LONG) was retained to provide master planning assistance, land surveying, and civil engineering services to help create the vision and to design the final product. LONG’s services included boundary, topographic & utility surveys, roadway improvements including traffic calming measures on Hilderbrand Drive, Johnson Ferry Road, Sandy Springs Circle, and Mount Vernon Highway. Bluestone Road was extended north from Hilderbrand Drive to Mount Vernon Highway and continuing through the City Springs site to Johnson Ferry Road. A new east-west roadway was created within the site, which was named Galambos Way honoring Sandy Spring’s first mayor. Mount Vernon Highway was lowered to reduce slopes and enhance ADA accessibility. LONG also performed supplemental SUE/UC (QLB) and provided site design services for the City Springs mixed-use development, and managed the many significant utility relocations required to serve the site as well as the Mount Vernon Highway work.

Location

Sandy Springs, GA

Client

Rosser International / City of Sandy Springs

Services Provided

Master Planning, Land Surveying, Traffic & Transportation, Lighting Design, Roadway Improvements, Construction Documents, Construction Period Services, Subsurface Utility Engineering (SUE), and Utility Coordination (UC)

Date Completed

2018

Savannah Forsyth Park

Savannah, Georgia

Hussey Gay Bell retained Long Engineering (LONG) to provide Subsurface Utility Engineering (SUE) services for the City of Savannah, Forsyth Park Project in the Historic Downtown District of Savannah.

LONG provided SUE Quality Level B (QLB) that entailed field designating utilities within Forsyth Park and adjacent roadways. The project area included approximately 5,700 linear feet of adjacent roadway, as well as the 35-acre park with an estimated 10-acres of underground utilities impacted. Because of the historic significance of Forsyth Park, UV Sensitive paint was used on decorative hardscape park surfaces.

Deliverables included field sketches in PDF format as well as a KMZ (Google Earth) for use by the surveyors to cross-reference field utility markings against collected field utility survey data. LONG provided a QA/QC review of the surveyor’s final product relative to utilities shown.

Location

Savannah, GA

Client

Hussey Gay Bell / City of Savannah

Services Provided

Subsurface Utility Engineering (SUE)

Date Completed

2020

Westside Park at Bellwood Quarry

Atlanta, Georgia

The $26.5 million Westside Park at Bellwood Quarry is 280 acres, the largest greenspace in the City of Atlanta. It will also be transformative for Westside neighborhoods and become the home of a critical 2.4 billion gallon backup source of drinking water for the city. Park elements include a grand entrance, circulation drives, parking lots, a Grand Lawn, a spectacular overlook to view the quarry reservoir and trails.

LONG provided the design of all roadways and grading and drainage plans as well as sediment, erosion and pollution control plans for Phase 1A of the project that encompassed 20 acres. This included the design of 8,200 feet of roadway and a 226 space surface parking lot that drained to 8 individual bio-retention ponds providing 1.1 million gallons of storage. Gravel infiltration trenches were provided along much of the pavement edge to promote infiltration of runoff. In all, almost 500,000 gallons of runoff was retained or infiltrated. Sanitary sewer and domestic water was provided to two new restroom buildings and a 6” irrigation line was provided to the Grand Lawn. Phase 1B included a 166 space parking lot draining to 6 bio-retention ponds and infiltration trenches, a Grand Lawn, a second restroom building, a pavilion and 6,800 feet of trails. Design included a fire protection line, domestic water and irrigation line and sanitary sewer to the restroom building and pavilion.

Location

Atlanta, GA

Client

Reeves + Young

Services Provided

Civil Engineering/Site Design, Construction Documentation, Permitting, Subsurface Utility Engineering (SUE)

Date Completed

2021