WGK was selected to provide the boundary and topographic surveying services on a 100+ tract of land known as the Lefluer’s Landing Site in downtown Jackson, Mississippi. The surveying project consisted of complete Court House record research for all recorded documents (including the deeds and easements) that were involved with the referenced property and all adjacent property. Surveying services included the field data collection of all the topographic features, boundary information and all existing utility locations. Services also included the preparation of maps depicting property information, utility and structure locations, vicinity maps as well as aerial photographs referencing the project.

This project consisted of the design and construction administration for a gravity sewer system and pumping station to serve an existing industrial park and commercial area in the town of Bolton. Services also provided by WGK included: Topographic survey information for the design of 4,300 LF of 8” gravity sewer main and design of 2,900 LF of 6” Force Main. Air/Vacuum release valves in 48” concrete manholes. Design of a 15 foot deep 72” wet well with dual submersible pumps and 60” valve pit to pump to an existing manhole. The project had a construction value of approximately $ 224,996 dollars.

WGK replaced an overloaded package treatment plant with a new activated sludge Biolac plant to serve the ultimate population of the planning area. The new site was approximately 5500 feet downstream from the replaced plant and required a new influent pump station. Particulars of the project included conversion of existing pump station, installation of 5500 linear feet of 15\" gravity sewer, construction of 2 MGD influent pump station and mechanical fine screening, construction of 0.65 MGD activated sludge treatment system, construction of ultra-violet disinfection, post-aeration and sludge storage systems. Planning, Design, Survey, Contract and Construction Administration, Project construction value was $1,350,000.

Due to heavy rains, the ditch along Camp Garawya Street was causing severe slope failure next to an existing residence. The ditch receives runoff from a 12-acre lake through a 36\" CMP. Below the pipe is an 8\" water main in casing that was threatened by the erosion. The exiting pipe was extended eight feet and rock rip-rap was installed for sixty-five feet up the ditch to protect the existing slopes of the ditch. The entire ditch was armored with grouted, 200-pound rock rip-rap on filter fabric. Repair of the ditch and installation of a key-way has stabilized the slope from further sliding. Project construction value was $18,000.

Due to heavy rains, an existing ditch along Northside Drive was causing severe slope failure in close proximity to existing businesses. The failing slope also contained an existing 8” sanitary sewer main, and pipe separation was beginning to occur. A new ditch was designed as a 6 foot deep trapizoidal section with 2-to-1 side slopes and a 5 foot flat bottom. A 65-foot-long, 6-foot-deep keyway was installed to stabilize the slope. The entire ditch and keyway were armored with 200-pound rock rip-rap on filter fabric. Repair of the ditch and installation of the keyway has successfully stabilized the slope. Project construction value was $72,000.

This project consisted of the design and construction of a one million gallon elevated water tank for the city of Clinton, Mississippi. Services provided by WGK: As a sub-consultant WGK was responsible for the design/construction management of the one million gallon elevated water storage tank necessary to support the south side of I-20 for the city of Clinton. Project construction administration and construction review, with the project completed on time and within budget. Fast Track Construction – 10 months from initiation to completion. Design and Construction Review Services Implemented as a fast-track project with a total project cost of $1.16 million.

The City of Clinton was just completing the construction of their 3.5 MGD Southside Wastewater Treatment facility in 2000 which utilized extended aeration treatment processes. The addition of a full scale mechanical plant, which replaced three lagoons, raised the importance of immediate notification of mechanical failures at the treatment plant. WGK was hired to assist the City in implementing a new SCADA system to provide for this need. WGK’s role was to guide the City through the process and provide critical guidance regarding systems and configuration as well as operations of the new SCADA system. It was determined that the city’s sewage pump stations would also be included in the new system. The system was also designed as the back-bone of a future water system SCADA system. When the City was ready for this next step, the necessary hardware and capacity would be readily available. WGK began by presenting the various systems and technology available for SCADA. Site visits and technical presentations were organized and set-up by WGK to help the City understand the decision and options they would be selecting. Ultimately, the City chose Control Systems Inc. of Jackson, MS for their SCADA supplier. A three-way team of City of Clinton Representatives, WGK project engineers, and Control Systems was formed to design the system that would meet the desires and needs of the City. It was determined that, since the City used a contract operator of their wastewater plant and pump stations, operation control of the wastewater components would not be provided. WGK and CSI researched the available signals provided at each pump station and the wastewater treatment plant. While the system would monitor all signals and notifications, a critical alarm list was compiled to reduce shear number of alarms that would be received on a daily basis. Only those alarms that had critical operational or maintenance related needs were sent with high priority to the City and it’s operators. Since the City did not need full-time operation of the plant and pump stations, a system would notify operators, via cell phone technology, during off hours and weekends when immediate attention was needed. The system has been successfully operating for over 5 years and is meeting the operational control and alarm notification needs of the City.

In 2002, the City of Clinton was ready to add SCADA to their water system in conjunction with several other water system improvements. The city operates approximately 10 wells and four elevated water tanks as well as several booster stations. The City desired to have operation control over their water system components in order to immediately address needs as they arose. Once again, WGK teamed with City officials and Control Systems Inc of Jackson to design and implement the new addition to the existing SCADA system. WGK had previously assisted the City in implementing SCADA for the wastewater treatment system. This system was designed with the necessary capacity to add the water system in the future. WGK’s role was to guide the City through the process and provide critical guidance regarding systems and configuration as well as operations of the new SCADA system. It was determined that three of the City’s operators would have access to the operational control components of the SCADA system. This aspect of the water SCADA was password protected to provide for security against accidental changes and vandalism. The entire water system SCADA information would also be password protected so that the City’s contract wastewater operators would not have access to this information. New meters were provided at each water well to track water production. The signals were incorporated in the SCADA system. Clinton’s water system operators are very pleased with the SCADA system they have received. It is a great help in daily operations as well as being able to deal with problems that arise during off-hours. Internet access to the SCADA system by the three critical operators via laptop computers allows problems to be addressed and corrected remotely, even when the operators are out of town on business or personal vacation.

The City of Clinton identified eight sub-basins within its sanitary sewer collection system where excessive inflow/infiltration periodically produced operational problems. A significant area of concern was the Olde Towne Clinton district, where the historic brick streets were settling over old clay pipes. WGK worked with the City to perform an SSES evaluation of the sub-basins, identify areas of needed repairs, and prepare plans and specifications for the work to be performed. WGK worked with the City sewer maintenance staff to perform smoke testing of sewer mains to identify main line breaks, service line breaks, and storm sewer cross connections. WGK used the results of the smoke testing to identify approximately 36,000 linear feet of mains for its sub-consultant to clean and evaluate using CCTV inspection, and to rate each line with respect to its deficiencies and condition. WGK also cataloged and inspected the manholes in the areas. The recommended repairs included point repairs to isolated breaks, pipe bursting and replacement of 4100 feet of main, conventional sewer replacement of 800 feet of deteriorated lines not suitable for cured in place pipe methods of rehabilitation, and 24,000 feet of cured in place pipe rehabilitation. Approximately 70 service laterals were remotely lined. Working with a limited budget, WGK prioritized the repairs and prepared detailed plans and specifications governing the work. Bids were received well within budget and the project was expanded to include additional repair items. WGK administered and performed construction review of the project which was completed on time and in budget.

The project consisted of the design and construction of a new Visitor Center that passes through the city of Clinton Mississippi. The center reflects the architecture of early local estates, employs stunning landscaping, historic site information and shopping opportunities to capture the hearts and minds of travelers everywhere. Services provided by WGK included, preparation of conceptual site plans for the Visitor Center, completion of a geotechnical assessment of the site, completion of an environmental assessment on the site, completion of boundary and topographic survey of the site, construction, bidding and engineering ISTEA program administered by the Mississippi Department of Transportation(MDOT)and the Federal Highway Administration(FHWA. Project construction value was $1.7 Million dollars.

A comprehensive water and sewer master planning document had never been prepared for the City of Clinton. As the City experienced growth and began considering long term needs and annexation of additional areas, it desired a plan that could guide the complex technical and financial decisions that would be faced during a 20 year planning period. The Plan included preparation of a Preliminary Engineering Report, Environmental Assessment, and Preliminary Design of the water and sewer system improvements. WGK evaluated the existing systems and made recommendations based on a planning area to include the city limits and potential annexation areas, approximately Ninety (90) square miles. Recommendations for water included replacing aging water wells and providing additional storage capacity to meet requirements based on usage and population growth. Water Distribution System Improvements were recommended to address hydraulic and pressure deficiencies within the system. Recommendations for sewer improvements included wastewater treatment facilities, large sewer interceptors, collection systems for unsewered areas and pump stations. Recommendations were made based on current system performance and deficiencies as well as anticipated future population growth from estimates provided by the MS Planning and Development District. Cost estimates for immediate improvements were prepared. A schedule of improvements encompassing the twenty year planning period for the water system was included. Approximately $12 million in phased improvements has been completed to date.

In 1999 as a Community Development Block Grant (CDBG) project, the City of Clinton completed the first portion of the Hampstead Boulevard on the eastern portion of the proposed alignment. This roadway section provides access to the Super Wal-Mart as well as the Hammetts Crossing Shopping Center along Highway 80. While providing access to these developments, the City also continued with the planning of the completion of this roadway to tie into Broadway Street just east of Springridge Road, south of Highway 80. WGK, who provided the design of the eastern most portions of the roadway improvements, was selected by the City to complete the planning and design for the next phase of the improvements which would provide access to rapidly developing property in this area. The recently completed improvements were funded using Tax Increment Financing (TIF), at a cost of approximately 2.5 million dollars and included construction of a 3 lane, curb and gutter section with water and sewer utility upgrades along the alignment. Upon completion of the remaining section, the roadway will be approximately 2 miles in length, generally following an alignment parallel to the Interstate 20 alignment for approximately the first 1.5 miles from the west, then turning northeast on alignment that will ultimately tie to the previous City constructed project.

WGK was responsible for the provision of complete construction staking services for the contractor on the I-20 reconstruction project, including staking for horizontal and vertical layout for rough grading, setting blue-tops for both the sub-grade and crushed stone layer, slope staking, staking for all pipes and inlets, staking for horizontal and vertical layout for the first asphalt base course, staking for horizontal and vertical layout of all curb and gutter, staking for all traffic signalization items, staking for all highway lighting items, and staking for all landscaping and irrigation items. Budget: $150,000

This project consisted of the installation of a 16 ft. main, bored and jacked with a 24 ft. casing under Interstate 20 from the Clinton Industrial Park to the South Frontage Road. Services provided new 16 foot butterfly valves were used on the large mains, 10 ft. and 8ft. gate valves were installed as by-pass valves around the larger valves. A 24 ft. steel casing was bored and jacked 407 LF. Design, permitting and construction administration, construction value was $80,000.

This project consisted of the planning, design and engineering required for the construction of a highway lighting project for nine and a half miles in Jackson, Mississippi. The project consisted of 132 low-mast poles for the straight-a-ways and 61 high-mast poles for six intersections. WGK provided the design phase services and prepared complete construction plans for the lighting project to meet the design criteria of the MDOT and Federal Highway Administration. Services included complete lighting level analysis, design of the lighting layout, design administration, project construction value was $3.3 million.

Structures, Levee and Erosion Control

In order to provide for adequate capabilities for existing conditions and properly prepare for anticipated development, the City of Clinton has taken a proactive approach in dealing with issues as they pertain to storm water drainage.  Numerous work efforts and projects have been undertaken in recent years to design and construct improvements to the natural and improved drainage courses within the City.  These improvements have been made to provide for adequate runoff capabilities to maintain existing capacities as well as to ensure that flooding does not increase due to new construction.

In 2002 The City of Clinton hired WGK to undertake a preliminary study of the existing drainage facilities along Lindsey Creek to ascertain whether or not they were actually capable of transporting the existing storm drainage runoff and what if any improvements would be needed to provide for existing and/or anticipated drainage flows.  WGK performed extensive surveying field-work in support of the analysis of the existing drainage facilities.  Drainage analysis was performed using available and accepted engineering/hydraulic programs including WIN TR-55 and HEC-RAS.

This project consisted of the relocation and modification of a wastewater treatment facility in Clinton, Mississippi which had experienced geotechnical failure during initial construction. WGK coordinated a geotechnical review and provided services to relocate the plant to a stable site and modified certain design details. Particulars of the project included evaluation of existing conditions, relocation of plant site by approximately 100 yards, construction of 0.28 MGD activated sludge treatment system, construction of ultraviolet disinfection and post-aeration systems, planning, design, survey, contract and construction administration, project construction value was $234,000.

With only weeks remaining until the opening of the Mississippi Natural Science Museum in Jackson Mississippi, it was discovered that the natural color and turbidity in the water from the well resulted in murky displays for the fish and reptiles. WGK was enlisted to take charge of the project by quickly completing laboratory test of the physical/chemical methods of removing the color. Services also provided by WGK include complete water analysis, special design features for new water well, daily inspection, project construction value was $9,450.00.

Roadways

The project consists of renovation of the Natchez Trace from Interstate 20 at Clinton, Mississippi south for approximately 28 miles.

Services also provided by WGK included:

• Including, but not limited to, locating and staking the centerline at 50-foot intervals
• Re-staking the centerline for the length of the project to restore the original pathway of the Trace
• Construction staking, as-built survey, cross-section of the road at 50-foot intervals
• Drainage improvements
• Widening the roadway and replacing the roadway base
• Repair and restoration of the roadway sections of the Trace ramps and bridges along the length of the project

Project construction value: $120,000.

This project consisted of constructing a new, activated sludge treatment facility to serve residents and expanding school facilities near Raymond, Mississippi. The project also included an extension of gravity-collection sewers to previously unserved households. A significant portion of the project was performed by municipal staff and forces. Particulars of the project included, conversion of existing facultative lagoon, installation of 6000 lf of 8 foot gravity sewer, construction of .75 MGD influent pump station, construction of 0.15 MGD activated sludge-treatment system, construction of disinfection, post-aeration and sludge-storage systems, planning, design, survey, contract and construction administration. The project construction value was $200,000.

WGK evaluated the existing systems and studied the environmental impact of a new water and sewer system. Recommendations were based on a planning area to include city limits and potential annexation areas, 90-square miles. Particulars on the project included, recommendations for sewer improvements included wastewater treatment facilities, large sewer interceptors, collection systems for unsewered areas and pump stations. Recommendations for water included replacing aging water wells and providing additional storage capacity to meet requirements based on usage and population growth. Water Distribution System Improvements were recommended to address hydraulic and pressure deficiencies within the system. Recommendations were made based on current system performance and deficiencies as well as anticipated future population growth from estimates provided by the Mississippi Planning and Development District. Assistance with property acquisitions and easements, cost estimates for immediate improvements were prepared. A schedule of improvements encompassing the 20-year planning period for the water and wastewater systems, including pump stations, 18-36 feet of gravity sewer and a 3.5 MGD WWTF. Decommissioning (3) existing WWTFs. Design, Environmental Impact, Contract and Construction Review Administration. The project construction value: approximately $9,000,000.

Operations Evaluation

The Mississippi Military Department (MMD) is the operations and administrative head of all Mississippi Army National Guard (MSARNG) facilities and units. MMD wanted to speed up and improve the efficiency of the installation of Oil/Water Separators (OWS) at their facilities across the state of Mississippi. They selected WGK to provide engineering design and construction administration and inspection services to the remaining 35 sites that needed OWS. Services provided by WGK included:

• Preliminary Design site inspection and surveying. For each site WGK determined, location of drain lines, site location of proposed OWS, size of OWS unit needed, and how the OWS discharge could be connected to a permitted sanitary sewer collection system. Each design was site specific.
• Detailed Design and preparation of Construction Documents. WGK prepared bid documents consisting of design plans and specifications and also contract bid documents. WGK assisted MMD in solicitation, receipt, and evaluation of competitive bids in accordance with state bid law.
• Construction Administration/Construction Review. Construction administration services included, coordination with contractors, review of submittals, and approval of pay requests. WGK performed periodic site review services to monitor contractor performance and adherence to the approved plans and specifications.

Projectconstruction value: $2,950,000

The renovation of the Terry Railroad Depot began in the summer of 2000. The FOT through Hinds County received the grant and they put up the $34,000 for the matching funds. The project involved the renovation of the interior and exterior of the Terry Railroad Depot. Installation of interior wall, ceiling and floor finishes. WGK designed new restrooms and kitchen cabinets with all new fixtures. WGK designed the installation of new lighting, exterior decks, patio, handicap ramp, sidewalks, flagpole and landscaping. Services also provided by WGK included: Design, Contract and Construction Review Administration The project has a construction value of approximately $256,000.