ES&S served as the prime consultant to the City of Sedalia on Phase IIIa of the Downtown Streetscape initiative.  This was a continuation of infrastructure reconstruction and aesthetic upgrades along Ohio Street in the historic downtown district.  Services included civil design, and design / construction support services for slightly more than one city block immediately north of Broadway Blvd./US Route 50.  Infrastructure improvements included total street reconstruction with curb and gutter, new sidewalk, storm drainage structure replacement and piping upgrades, coordination of a water main replacement and other utility relocations.

Coordiation was required with MoDOT relative to the improvements made in their ROW adjacent to the signalized intersection of Ohio Street and 50 Highway.  This included sidewalk ramps and clearances that comply with requirements of the Americans with Disabilities Act (ADA).  Aesthetic features included the addition of brick pavers at crosswalks, as edge treatments along sidewalks, and historic lighting fixtures along the revitalized corridor.  The most striking feature of the project is a new “downtown gateway” feature that was designed under a separate contract by the Kansas City-based urban planning/design firm of Ochsner Hare & Hare (OHH).  OHH was part of the ES&S design team for this streetscape project to assist in the close coordination required between the City, MoDOT and the adjacent church, whose building abuts the road’s ROW limits.

Bid and construction phase services included preparation of design and contracting documents, bid-assistance, opinions of probable construction cost, and coordination of contractor inquiries during construction.  Field services included onsite resident observation and materials quality assurance throughout the construction phase of the project.  ES&S provided these same services on Phase II of the Downtown Streetscape initiative, and provided construction-phase support and come civil engineering design revisions on Phase I.

ES&S provided complete site planning and design services for the development of a medical park on a greenfield site at the intersection of Providence Road (MO Route 163) and Southampton Drive.  The site plan for this 24-acre site called for site layout of an 85,000-sf medical office building and 425-stall parking lot, plus provision for a future Phase II building.  Design services included boundary survey, subsurface investigation, site planning, hydrologic evaluation and storm drainage design, and erosion and sediment control.  The project incorporated low-impact development design features, such as maximizing overland flow by reducing impervious surface area and enclosed storm drainage, and including several bioretention and detention basins as stormwater BMPs.  The large, site retention basin created also serves as an aesthetic water feature for the medical campus.  The design included bioretention and a native vegetative buffer around the basin to both reduce and cleanse onsite stormwater runoff via increased infiltration and evapotranspiration.  The basin also serves as a source for irrigation water, with a well to supplement water level during dry periods.  ES&S provided these services as a subconsultant to prime architectural consultant, SOA.  Additional services facilitated by ES&S under subcontract included landscape architecture (Loomis & Associates) and a traffic engineering study (Crawford, Bunte & Brammeier).

Transportation design included the addition of a dual left turn lane from westbound Southampton Drive to southbound Providence Road, which is dual-designated MO Route 163, requiring coordination with MoDOT.  Multi-modal features include an onsite fitness trail with connections created to the City of Columbia’s Providence Pedway and a nearby transit stop.

ES&S provided full site design for a new, two-story headquarters building for the City of Sedalia Police Department.  The 18,700-sf facility provides increased evidence storage space, a training room, an exercise room, men’s and women’s locker rooms, K9 kennels, interview rooms, and unfinished office space that will allow room for future department expansion as the City population grows.

Site planning and design services included topographic & boundary survey, easement displays, geotechnical investigation on part of the site where previous structures had existed, grading plan, enclosed storm drainage design, concrete drive and parking area, and utility connections.  Construction-support services included staking, concrete strength and soil compaction testing, and observation of foundation construction, steel reinforcement, and steel weld and bolt inspection.

ES&S provided services both as a prime consultant to the City of Sedalia, as well as a subconsultant to the prime design firm, GHN|Architects-Engineers.

ES&S has provided design-support (land survey, utility mapping, geotechnical investigations and reports) and construction-support services for various expansion and modification projects over many years at Memorial Stadium/Faurot Field, home of Missouri Tigers Football.  The most recent was the South End Zone Expansion.  The project included demolition of the south end zone grandstands and construction of a 200,000-sf addition that included 16 suites, a 750-person field-level club, a 1,250-seat indoor club area with food service/restrooms, and general seating for 1,324 approximately fans.  A new concourse links to the stadium’s East and West stadium areas, and new video boards enhance the Mizzou game-day experience.  Enclosed space permanently house football operations, which allows for the Missouri Athletics Training Center (MATC) to be for other athletic programs.  Additional features of the new facility include a roof-top video deck and two-bay loading dock. A new road was constructed that connects the stadium’s west side to the south.

ES&S provided design-support (land survey, utility mapping, geotechnical investigations and reports) and construction-support services for various expansion and modification projects over many years at Memorial Stadium/Faurot Field, home of Missouri Tigers Football.  After the University joined the SEC in 2010, the University planned a phased, major expansion and renovation of the stadium to upgrade facilities and enhance the game-day experience.  The East Side Expansion/Renovation project consisted of a 114,000-sf expansion and renovation to the stadium’s east side.  The construction provided accommodations for a new club level that includes club/loge seating areas, private suites, and adjacent club/entertainment spaces.  Additional general seating was also provided in a new upper deck structure, improvements were made to the north concourse amenities, with significant upgrades to fan amenities like the Tiger Team Store, and allowing for lawn seating closer to the north end of the playing field.

ES&S performed work for the project’s Construction Manager, J.E. Dunn Construction, and directly for the University.

The project consisted of site grading, drainage and utility relocation design for this new destination feature on the flagship campus of the University of Missouri in Columbia. Located on the north end of the Mel Carnahan Quadrangle, Traditions Plaza is an amphitheater, memorial, and “…a variety of features honoring MU’s history and heritage. MU traditions along with notable quotations are etched in the bricks and tiles that create the stage and pillars making the plaza one of the most cherished and hallowed locations on central campus.” *

Services were provided as a subconsultant to prime designer, DTLS Landscape Studio.

ES&S provided quality assurance consulting, materials testing, and construction observation for a series of projects at the Callaway Energy Center (CEC), related to the Independent Spent Fuel Storage Installation (ISFSI), which provides underground, dry, used-fuel storage for the 1,284-MWe pressurized water nuclear reactor that has been in operation since 1984.  The September 2015 installation of the first multi-purpose canister (MPC) placed in the HI-STORM UMAX marked the nuclear industry’s first installation of a “subterranean canister storage system” for spent fuel, and represents a technology first inspired in the aftermath of 9/11.  HI-STORM UMAX system is proprietary to The HI-STORM UMAX (Holtec International Storage Module Underground MAXimum Capacity) is an underground Vertical Ventilated Module (VVM) dry spent fuel storage system engineered to be fully compatible with all presently certified MPCs.

The project included the following facilities: HI-STORM UMAX (subterranean storage cavity); Haul Path (heavy-duty concrete pavement); Fuel Building to UMAX; Flex Building (precast storage facility); Security Fence; and a 5-MG Hardened Condensate Storage Tank

ES&S provided materials testing and construction observation for the placement of over 10,000 cubic yards of concrete (Controlled Low Strength Material CLSM) to fill the space surrounding 48 Cavity Enclosure Containers (CEC) for the entire 17-foot height of the CECs.  A typical pour day would

Another task involved consultations and confirmation of mix design calculations to create the high-strength, high-density concrete required by Nuclear Regulatory Commission (NRC) guidance for the other concrete work.  ES&S worked closely with the concrete supplier to source a locally available materials that would meet the project specifications.

ES&S performed work both for the Construction Manager, Holtec International, and directly for CEC

Angel Lane is a low-volume, two-lane, asphalt roadway that has served as the “back entrance” to Columbia Regional Airport for many years.  Detours from roadway construction on US Route 63, which runs west of the airport property, resulted in increased traffic using Angel Lane to gain access to the airport, and for heavily loaded vehicles associated with the construction activity.  The increased volume over several years contributed to poor pavement conditions.  ES&S was engaged by the City of Ashland to perform a subsurface investigation and make recommendations for pavement rehabilitation or replacement.  Results of the study showed substantial failure of the subgrade material along this 1.25-mile paved road.  For this reason, a mere resurfacing was not recommended, especially since the City owns property along the corridor, with hopes of developing an industrial park in the future.

Funding challenges for a major reconstruction of the pavement caused a search for innovative alternatives.  The City worked in partnership with Boone County to fund this project.  The County had recently reconstructed a roadway in north Columbia using Full Depth Reclamation (FDR).  The FDR construction process mills and recycles the existing pavement and sub-base materials of a roadway.  With the addition of cement, the recycled material is mixed, shaped and compacted to create a more stable material that can then be used as a base for a roadway surface course.  FDR can be a cost-effective means of providing a higher quality pavement for lower-volume roadways than traditional reconstruction or mere resurfacing.

For the Angel Lane project, the use of FDR for the full length of the roadway resulted in a cost-savings of over 35-percent compared to an option with full-depth PCC pavement for approximately one-third of the length.  ES&S facilitated a “Lunch & Learn” for public works officials in the region to observe the FDR process.

ES&S provided consulting and design services for the closure of two lagoons serving a homeowners’ association.  An Engineering Report was developed outlining the closure plans as well as the conceptual design of relief sewers to connect to the BCRSD system.  Final design services included over 3000-LF of 8-inch PVC gravity sewer to relieve the two existing lagoons, two bores under I-70, and coordination of a crossing under a high-pressure petroleum pipeline.  Application to the State Revolving Loan Fund were included as part of the submittal to the client.

Pictured above is one of the two existing lagoons to be relieved (left) and the same property after lagoon closure (right)

As part of the planning and design of a new surface parking lot, ES&S provided complete design services for an underground storm water detention and water quality facility serving the central campus.  This project was a recommendation from the Campus-Wide Stormwater Master Plan, prepared by ES&S in February 2011.  The new facility was designed to account for the cumulative increase in runoff associated with full build out of the College’s facility master plan.  The project included use of ADS’s StormTech® subsurface storm water management system storage, including the use of StormTech Isolator™ Row units to provide for water quality improvement to reach the Level of Service (LS) requirements of the City of Columbia’s revised (2008) storm water management ordinance.  The WQ facility sits under the surface parking lot at the corner of Eighth & Wilkes Streets (right)

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