OB Curtis & JH Fewell
Water Treatment Project
Jackson, MS

Project Highlights

• Designing and managing approx. $10 million dollars of construction upgrades to both plants
• Upgrades consist of soda ash Ph adjustment, chemical feed system, and soda ash silo rehab
• Soda ash force main and metering pump design
• Membrane filter system replacement​
• Raw Water screen replacement
• Gravity thickener rehabilitation
• Residual solids dewatering system upgrades
• Structural repair of raw water basins
• 800 LF intake structure pedestrian bridge replacement

Water Distribution System Upgrade
Town of Hickory, MS

Project Highlights

• Replacing approx. 3,000 LF of old cast iron pipe with PVC water main
• Replacing lead service lines with HDPE or Pex service line
• Replacing inefficient water meters
• Assisted in securing $450,000 CBDG Grant through MS Development Authority

Henderson Road Bridge Replacement
Jackson, MS

Project Highlights

• Replace a three span concrete/timber bridge with a precast concrete single span bridge
• Replaced timber piles with precast driven concrete piles
• Performed erosion control on creek embankment
• Project construction cost $300,000

Construction Materials Testing Projects

Koch Foods, Inc CMT Project
Morton, MS

Project Highlights

• Tested 300 cubic yards of concrete for site development
• Tested soil and asphalt pavement

JMAA Concessions Building CMT Project
City of Jackson, MS

Project Highlights

• Our scope of work included monitoring the installation of drilled

piers, providing an ACI certified technician for field monitoring of concrete
placement activities and providing field reports to the Prime Consultant (SoilTech).

• Our field testing of concrete placement activities included providing the required

field tests such as slump, temperature, air content, and preparing strength test
specimens such as grout cubes, concrete prisms, flexural testing beams and
concrete compression cylinders per the project specifications.

Hinds County Storm Debris Removal Project
Hinds County, MS

Project Highlights

• Provided debris monitoring services as the prime consultant to the county for the Learned, MS debris removal project
• After April 2019 tornadoes left the area badly damaged with down trees, Cornerstone Engineering, LLC assisted the county in securing a contractor to remove approximately 9,000 cubic yards of debris
• Our team of 5 debris monitors and managers assisted with documenting the cleanup per FEMA standards
• Debris was removed from the right of way, chipped at the landfill, and disposed in rubbish cells at the landfill

Cabaniss Circle Street
Drainage & Improvement Project
City of Jackson, MS

Project Highlights

• Hydraulic design analysis
• Transitioning approximately 1,500 linear feet of open ditch storm drainage system into a 60” diameter reinforced concrete piped storm drainage system
• Project included significant engineered fill placement and select bedding,
• Existing storm drain culvert replacement, catch basin and junction box design.
• Street repairs will include an asphalt pavement overlay of approximately 1,500 linear feet of the street
• Construction value $650,000

​Water Well Construction Project

Before

After

Project Highlights

• Provided project management services for 1900 foot depth, 960 gallon/minute water well

Jackson Airport International Drive Project

Before:

After:

Project Highlights

• Assisted Michael Baker International with plans and specifications development
• Performed Pavement Overlay Design
  
• Performed Construction Observations and Inspections
  

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Clark County Airport Runway and Taxiway Pavement Rehabilitation Project (Quitman, MS)

Project Highlights

• Perform Geotechnical Engineering Investigation (Soil boring and DCP and Falling weight deflectometer)
• Perform Pavement Condition Surveys
• Develop Pavement Management Plan
• Design Mill and Overlay Program for 3,300 LF Runway and 250 LF Taxiway
• Perform Construction Management and Administration
• Perform Construction Material Testing

Top Clients

City of Jackson, MS
City of Lumberton, MS
City of Belzoni, MS
City of Port Gibson, MS
City of Newton, MS
Town of Hickory, MS
Town of Shubuta, MS
Town of Lula, MS
Clark County Airport (Quitman, MS)
Wilkinson County Board of Supervisors, MS
Birmingham Water Works Board (AL)
Hatten Water Association (South MS)
Plum Point Water Association (North MS)