p. rodney mank, p.e. vice-president principal … · penetration test (spt) borings for the...

1 | P a g e IE = Individual Experience 8936 Western Way, Suite 12 Jacksonville, Florida 32256 Phone: (904)519-6990 Fax: (904)519-6992

P. RODNEY MANK, P.E. VICE-PRESIDENT / PRINCIPAL ENGINEER PROFESSIONAL EXPERIENCE

Geotechnical explorations Ground modification procedures Shallow and deep foundation evaluations and recommendations Slope stability analysis Retaining and MSE walls Reinforced slopes Pavement design and evaluation Sinkhole exploration and remediation Construction Inspection Laboratory and field testing of soils and construction materials

PROJECT EXPERIENCE FDOT D2, SR-109 (University Boulevard) and SR-10 (Atlantic Boulevard) Intersection Safety Project – Jacksonville, Florida Principal Engineer. This project includes widening of the existing pavement along SR-109 and SR-10 beginning approximately 1,000 feet from its present intersection. In addition, Lawrence Place will be realigned to move its intersection with SR-109 approximately 400 feet north and includes approximately 500 feet of new pavement for the two-lane roadway. A new dry stormwater retention pond will be constructed at the southwest corner of the new intersection. Our field exploration included exploring the subsurface conditions by performing 27 auger borings within the proposed pavement widening and new roadway areas, 2 Standard Penetration Test (SPT) borings within the area of the proposed dry stormwater retention pond, and 1 Double-Ring Infiltrometer (DRI) test within the proposed dry stormwater retention area near the proposed new Lawrence Place roadway. Conclusions and recommendations including soil suitability for roadway widening, roadway construction considerations, and pond construction considerations will be provided in our geotechnical report.

FDOT D2, SR-9 (I-95) Old St. Augustine Road Interchange Loop Ramps Safety Project – Jacksonville, Florida Principal Engineer. This project includes pavement widening of the existing off-ramps (Ramps A-4 and B-1) and the addition of northbound and southbound auxiliary lanes along SR-9 (I-95). The new auxiliary lanes for SR-9 (I-95) will begin just north of the Old St. Augustine Road Bridge (overpass) and terminate about 4,800 feet to the north. Our field exploration included 84 hand auger borings 17 flight auger borings to depths of 5 and 20 feet, respectively, below the existing ground surface within the limits of the proposed new pavement areas. In addition, a new Mast Arm and Overhead Sign Structure will be added, as well as a drainage swale adjacent to the southbound auxiliary lane. Standard Penetration Test (SPT) borings were performed for the structures, and SPT borings with continuous sampling and field permeability tests were performed for the drainage swale. The field and laboratory testing results, along with conclusions and recommendations for roadway widening and roadway construction considerations, will be provided in our geotechnical report.

Education MBA, University of South Florida, 1996 Graduate Courses, Civil Engineering: University of Central Florida, Florida International University, 1986-1988 BSCE University of Florida, 1984

Registrations Licensed Professional Engineer: Florida License No. 41986 Georgia License No. PE033805

Affiliations National Society of Professional Engineers (NSPE) Florida Engineering Society (FES) FICE Transportation Committee GMEC Board Member American Society of Highway Engineers (ASHE) American Society of Civil Engineers (ASCE)

Mr. Mank is a licensed Professional Engineer in Florida and Georgia with more than 30 years of technical and managerial experience. His expertise includes performing and directing geotechnical site explorations and preparing foundation design recommendations for private and public civil design projects including roadways, bridges, low- to high-rise commercial, residential, and industrial structures, and general site development. He has experience in analysis and design of shallow and deep foundation systems, ground modification procedures for problematic sites, engineered slopes, retaining walls and pavement sections. Mr. Mank is also experienced in directing testing programs, including laboratory and field testing of soils and construction materials.

IE = Individual Experience

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8936 Western Way, Suite 12 Jacksonville, Florida 32256

Phone: (904)519-6990 Fax: (904)519-6992

FDOT D2, SR-202 and SR-115 Interchange Loop Ramps – Jacksonville, Florida Principal Engineer. This project includes pavement widening of the existing off-ramps (Ramps B and D) with new guardrails constructed on the outer limits of the proposed widening areas. Our field exploration included performing 11 hand auger borings to depths of 6 feet below existing ground surface within the limits of the proposed pavement widening areas. Conclusions and recommendations including soil suitability for roadway widening and roadway construction considerations will be provided in our geotechnical report.

FDOT D2, SR-109 (University Boulevard) from SR-13 to Cesery Boulevard – Jacksonville, Florida Principal Engineer. This project includes construction of strain poles at eleven (11) intersections along the existing SR-109 (University Boulevard) from SR-13 to Cesery Boulevard. Our field exploration included performing Standard Penetration Test (SPT) borings at each intersection. The primary challenge of our field work was to maintain safe clearance distances from underground and overhead utilities and still be reasonably close to the proposed pole locations. MAE’s project responsibilities included submittal of a Structures Report containing the recommended soil parameters for design of the strain poles.

FDOT D2, SR-104 (Dunn Avenue) from Leonid Road to Main Street – Jacksonville, Florida Principal Engineer. This project includes construction of strain poles at four (4) intersections along the existing SR-104 (Dunn Avenue) from Leonid Road to Main Street. Our field exploration included performing Standard Penetration Test (SPT) borings at each intersection. The primary challenge of our field work was to maintain safe clearance distances from underground and overhead utilities and still be reasonably close to the proposed pole locations. MAE’s project responsibilities included submittal of a Structures Report containing the recommended soil parameters for design of the strain poles.

FDOT, SR-207 Trail Head – Hastings, St. Johns County, Florida Principal Engineer. This project consists of the construction of a trail head along the planned SR 207 Multi-Use Trail along the St. Johns River-to-Sea Loop trail. The planned facilities include restrooms, a picnic pavilion and parking. Our scope of work includes auger borings along an elevated and grade-supported boardwalk, Standard Penetration Test (SPT) borings for the restroom building and picnic pavilion, and auger borings within the future parking area. Our geotechnical report will include foundation design recommendations for structures and pavements and site preparation recommendations.

FDOT, CR-18 Trail Head – Hampton, Bradford County, Florida Principal Engineer. This project consists of the construction of an approximate 6-mile trail along the rail corridor from SR-100 to City of Hampton, Bradford County, and a trailhead with a parking area adjacent to CR-18. Our scope of work includes Standard Penetration Test (SPT) borings along the proposed trail and at two bridge crossings. In addition, auger borings are located along the edge of the trail embankment to check for the presence of organic soils where the trail crosses existing wetlands. Slope stability analyses will check the stability of the embankment slopes where organic soils are encountered. In addition, auger borings are planned within the parking area of the trailhead area. Our geotechnical report will include foundation design recommendations for the bridge crossings, recommendations for pavements along the trail, and site preparation recommendations.

FDOT, SR-16 Trail Head – Green Cove Springs, Clay County, Florida Principal Engineer. This project consists of the construction of a trail along SR-16 from SR-15 to the Green Cove Springs Nature Preserve Bayard Conservation Area in Clay County. Our scope of work includes auger borings along the trail area. Our geotechnical report will include design recommendations and site preparation recommendations.

FDOT D2, CR-127, Bridge #270024 Replacement at Cedar Creek – Baker County, Florida Senior Project Engineer. The project included the replacement of the CR-127 Bridge crossing Cedar Creek and associated roadway improvements. MAE performed field explorations which included Standard Penetration Test (SPT) borings for the proposed bridge advanced to depths of approximately 125 feet below ground surface, and auger borings performed along the roadway. Estimated Davisson Nominal bearing resistance capacities were provided for design of 18-inch square PCPS driven piles. Reporting also addressed PDA testing for test and production piles, scour considerations and roadway improvements. In addition, MAE performed the pile installation monitoring during the project construction phase.


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Phone: (904)519-6990 Fax: (904)519-6992

FDOT, Chester Road Widening – Nassau County, Florida Principal Engineer. Project includes the widening of the existing two-lane roadway for a distance of approximately 2.5 miles. Several ponds are planned to handle future stormwater discharge. Our scope of work includes auger borings alternating left and right of the centerline, Standard Penetration Test (SPT) borings within the proposed pond areas, field permeability testing, and piezometer installation. We will provide a geotechnical engineering evaluation of the site and subsurface conditions and our geotechnical report will include our conclusions and recommendations for roadway and pond design and construction.

FDOT, I-295/SR-9A from SR-9B to SR-202 – Duval County, Florida Senior Geotechnical Engineer. Proposed construction includes the widening of I-295 for future managed lanes between the terminus of SR 9B and SR 202 (J. Turner Butler Boulevard), as well as upgrading of the existing interchange with SR 202 and SR 9B. MAE’s responsibilities include SPT borings for the widening of the existing bridge structures at Baymeadows Road and Gate Parkway, plus providing BDR-level information for the bridge structure and ramp additions at SR 9B and SR 202, respectively, and a new flyover of Gate Parkway. Additional exploration includes SPT borings and field permeability tests for the new ponds, and auger borings for the roadway widening. Geotechnical reports to be submitted include a Roadway Soil Survey report for the roadway widening and ponds, and a Bridge Structures report for the bridge widening and new bridges.

FDOT D2, SR 105/Heckscher Drive Sisters Creek Bridge Replacement – Duval County, Florida Senior Geotechnical Engineer. This project includes the construction of a new high level bridge over Sister’s Creek to replace the existing draw-bridge, frontage access roads, temporary road, and pond sites. MAE’s project responsibilities include SPT and auger borings to obtain geotechnical data for design of possible MSE walls, high fill embankments, ponds, and roadway widening. Our scope also includes bulk soil sampling for Resilient Modulus (RM) testing, pavement coring and muck probing. A geotechnical data report will be prepared including all field and laboratory data collected to be included in the future Design/Build RFP.

FDOT D2, SR-10 (Atlantic Boulevard) Distressed Inlet Structures – Duval County, Florida Senior Geotechnical Engineer. This project included replacement of an 8-inch diameter RCP storm drain crossing Atlantic Boulevard just east of SR 9A. In addition, the existing curb inlet at the north terminus of the storm drain will be replaced as well as 20 to 30 feet of storm drain pipe running west of the same inlet. The northern most westbound travel lane of Atlantic Boulevard will be reconstructed due to excessive settlement in the area of the storm drain inlet. Field exploration consisted of Standard Penetration Test (SPT) borings advanced to a depth of 20 feet below the pavement surface. MAE prepared a geotechnical report that included our findings as well as recommendations for compaction of pipe bedding and placement and compaction of pipe backfill.

FDOT Central Avenue Rail Trail – Hamilton County, Florida Senior Geotech Engineer responsible for project and staff/sub-consultant management. Scope of work includes all field and laboratory testing services for design of a multi-use trail within the ROW of a former rail bed, plus design of a new stormwater collection/conveyance system. Field work includes auger and SPT borings along the planned trail and the stormwater pipeline route. Reporting will include evaluation of the encountered subsurface conditions for trail and pipeline support, and construction recommendations for fill and backfill placement.

FDOT D2, SR 200 (US 301) Baldwin By-Pass – Baldwin, Florida As Senior Geotechnical Engineer, Mr. Mank is directing the geotechnical exploration for this on-going project. This proposed By-Pass of the Town of Baldwin begins south of town near the intersection of US 90 and US 301 and continues to the west and north to intersect US 301 north of town. The new 4.25-mile roadway will be a four-lane divided roadway and will include four crossings for a total of eight bridge structures that will be one to two-span crossings. Our field exploration also includes exploration of the new roadway, including strain poles and drainage culverts, as well as exploration of the proposed ponds. The field explorations include split-spoon sampling, auger boring drilling, test pit explorations, and muck probing. MAE project responsibilities include the preparation of Roadway Soil Survey and Structures Reports containing recommendations for roadway, bridge, high embankment and miscellaneous structure design and construction.

FDOT D2, I-295 Off-Ramp to SR-228 (Normandy Boulevard) – Duval County, Florida Senior Geotechnical Engineer responsible for this project which includes the widening of I-295 northbound exit ramp to accommodate dual left turn lanes at SR 228 (Normandy Boulevard) and construction of mast arm signals.


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Phone: (904)519-6990 Fax: (904)519-6992

MAE’s responsibilities include SPT borings at the mast arm signal locations, auger borings for the proposed roadway widening and pavement cores of the existing ramp and Normandy Boulevard pavement. A Roadway Soils Survey Report was prepared which included recommendations for new pavement construction, mast arm signal foundation design recommendations, and results of the soil borings and pavement cores.

Baker County Transportation Center – Macclenny, Baker County, Florida Principal Geotechnical Engineer. Project included the design of a one story, 10,600-square-foot transportation administration and maintenance building refueling/vehicle wash area, parking/driveways and a future senior center. A stormwater management pond was also designed in part to control groundwater levels across the site. Our filed exploration consisted of Standard Penetration Test (SPT) borings, auger borings and field soil permeability tests. Bulk spoil samples were also obtained for soil permeability testing in the laboratory. Our geotechnical report included foundation and pavement design and construction recommendations as well as recommendations for reuse of the soils encountered in the stormwater pond area as site fill. The soil permeability test results were used for a base flow analysis using the PONDS software to predict the groundwater drawdown and background water seepage during pond operation.

FDOT D2, US 17 Widening, Wells Road to I-295 – Clay County, Florida Senior Geotechnical Engineer on this on-going project that includes widening of the existing US 17 NB lanes in Duval County, Florida. The proposed construction will consist of new pavement, miscellaneous structures, including mast arms and lighting, and stormwater management improvements. MAE responsibilities include pavement coring and soil borings for roadways and ponds, and preparation of recommendations for foundation and pavement design, and roadway construction.

Blackrock Road Improvements – SR A1A to Heron Isles Parkway – Nassau County, Florida Senior Geotechnical Engineer for this project which includes approximately 2 miles of roadway widening, addition of turn lanes. This project includes the replacement of the existing box culvert at Lanceford Creek with a Geosynthetic Reinforced-Soil Integrated Bridge System (GRS-IBS), the first bridge system of this type built in Florida. MAE’s responsibilities include Standard Penetration Test (SPT) borings at the creek crossing, auger borings and bulk soil sampling for the roadway widening, and pavement coring. A Roadway Soils Survey Report was prepared which will include recommendations for new pavement construction, pavement milling depth and resurfacing recommendations. All required analysis, including settlement, over-turning and global slope stability was performed for the GRS-IBS.

City of Jacksonville, N1-N2 Diamond Structure & Pond Areas, Cecil Commerce Center – Jacksonville, Florida Principal Engineer. Project site is located at the northwest corner of New World Avenue and SR-23 (Cecil Commerce Center Parkway) intersection within the Cecil Commerce Center. It is planned to develop the site with one- to two-story and/or dock-height structures. Pavement areas and stormwater management ponds will also be constructed. The scope of work included soil borings drilled to depths of approximately 25 to 40 feet below the existing ground surface to explore the subsurface soil conditions within the project site area. Preliminary design recommendations were provided for structures and stormwater management ponds. Preliminary sinkhole potential evaluation, preliminary estimated normal seasonal high groundwater level, site seismic classification, and pavement considerations were also provided.

City of Jacksonville, Jim King Park and Boat Ramp Dock Re-Design and Lighting Improvements – Jacksonville, Florida Principal Engineer. This project will include relocating the existing floating docks and installation of 27 light fixtures with pole heights varying from 16 to 18 feet at various locations throughout the existing park. There will also be 4 light fixtures on wood poles up to 30 to 35 feet in height. Our scope of work included three Standard Penetration Test (SPT) borings between depths of 35 and 45 feet below the existing mud line to explore the subsurface conditions in the area of the new docks. In addition, fourteen SPT borings were located within the areas of the proposed lighting improvements. Foundation design and construction recommendations were provided for the lighting structure improvements and for the piles to support the floating docks.


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Phone: (904)519-6990 Fax: (904)519-6992

City of Jacksonville, Arlington River / Pottsburg Creek Dredging Project – Jacksonville, Florida Principal Geotechnical Engineer. Project includes dredging of about 6,000 linear feet for a new channel to improve marine vessel navigation along the Arlington River / Pottsburg Creek from near its mouth with the St. Johns River to east of the University Boulevard Bridge. MAE’s field work included drilling 33 Standard Penetration Test (SPT) borings using a small barge mounted with portable (tripod) drilling equipment. Design recommendations were provided which included channel dredging considerations.

City of Jacksonville, New Southbank Riverwalk – Jacksonville, Florida Principal Geotechnical Engineer. Project includes installation of about 450, 18-inch square, prestressed precast concrete piles to support a concrete replacement of approximately 3,650 feet of riverfront boardwalk. Senior Engineer responsible for reviewing the pile driving logs as recoded by our CEI inspector. These logs are then forwarded to the Engineer of Record for final approval.

City of Jacksonville, Miscellaneous Dredge and Waterway Infrastructure – Jacksonville, Florida Senior Geotechnical Engineer responsible for technical evaluations and staff management. Scope of work included evaluating the subsurface conditions at multiple sites in the area of distressed waterway structures, primarily bulkhead walls and ramp slabs. MAE’s field work included performing Standard Penetration Test (SPT) borings using track-mounted and Tripod drilling equipment on land sites and barge-mounted drilling equipment on waterway projects. Reporting included estimating geotechnical engineering soil properties required for new bulkhead wall design, including soil unit weight, friction angle, cohesion and earth pressure coefficients. Recommendations were also provided for construction of future ramp slabs, including replacement of deleterious soils with structural fill.

City of Jacksonville, Lower Eastside Drainage, Phase 3 – Jacksonville, Florida Senior Geotechnical Engineer for this drainage improvement project. The scope of work included exploring subsurface and pavement conditions along the alignment of a proposed stormwater collection system. Field work included SPT and auger borings, and pavement coring. Recommendations were provided for pipeline and manhole support, and pavement design and reconstruction.

JEA Total Water Management Plan – Jacksonville, Florida Senior Geotechnical Engineer responsible for review of CEI daily reports as support to the Program Manager for Segments 4A and 5 of the TWMP Project. Construction Engineering Inspection services were performed during construction of Segment 4A, Bert Road to Alderman Road and Segment 5, Oaks Ansley Road to Bradley Road. Segment 4A corridor was within the North Arlington Expressway Service Road which required total roadway rehabilitation for 1,000 feet. Segment 5 corridor was within the median of Arlington Expressway and Southside Boulevard and required total roadway rehabilitation for 2,400 feet. Both Segments included extensive detours and MOT that included coordination with the JTA bus system and COJ Traffic Engineering. Both projects included an open cut of Atlantic Boulevard for installation of both the WM and FM in the same trench.

JEA Main Street Well No. 14 – Jacksonville, Florida Principal Geotechnical Engineer. This project consists of constructing a concrete slab-on-grade well pad for the proposed JEA water supply well and a 16-inch PVC raw water pipeline approximately 1,000 feet in length on the north edge of pavement of Phelps Street from A. Philip Randolph Boulevard to Palmetto Street. MAE’s responsibilities included Standard Penetration Test (SPT) borings in the proposed well pad foundation area, drilled to a depth of approximately 20 feet below the existing ground surface. Hand auger borings were located approximately every 200 feet along the proposed raw water pipeline alignment near the north edge of pavement on Phelps Street, and advanced to a depth of 6 feet below the existing ground surface. A Geotechnical Report was prepared that included geotechnical design recommendations for the well pad and pipeline support.

JEA Greenland Water Treatment Plant – Jacksonville, Florida Senior Geotechnical Engineer for this facility, which will include one, 1.0 MG prestressed concrete water storage tank, with room for a future second tank of similar capacity, potable water high service pump station designed for 5 pumps, a Sodium Hypochlorite Pump Skid and tanks, and an emergency fuel generator and fuel tank. In addition, a 24-inch raw water main will be constructed to the facility from the existing and future water supply wells. MAE’s responsibilities included Standard Penetration Test (SPT) borings within the area of the proposed structures, plus auger borings along the pipeline route and adjacent to the existing stormwater pond. A


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Geotechnical Report was prepared that included foundation design and site preparation recommendations, and a determination of the Seismic Site Classification.

JEA Point Meadows Substation – Jacksonville, Florida Principal Geotechnical Engineer for project. The Substation will provide load relief for the Baymeadows and Southeast substations and will ultimately consist of 2 power transformers and 6 feeders. MAE’s responsibilities included Standard Penetration Test (SPT) borings for the proposed structure foundations as well as borings within the proposed stormwater ponds for evaluation of the encountered soils as structural fill. Samples were also obtained at depths specified by JEA for laboratory resistivity testing. A Geotechnical Report was prepared that will included estimates of geotechnical properties for design of the foundations and recommendations for site preparation and construction.

JEA Arlington East Regional Booster Pump Station – Jacksonville, Florida Senior Geotechnical Engineer for this facility located on Bradley Road in the Arlington area of Jacksonville, FL. The project included the design of a one-story prefabricated Electrical Building structure, concrete slabs-on-grade to support the planned pumps, a transformer, standby generator, and a diesel fuel tank. MAE’s responsibilities included Standard Penetration Test (SPT) borings within the area of the proposed structures. Soil corrosion tests were performed on selected samples to determine their potential for corrosion on concrete and steel substructures. A Geotechnical Report was prepared that included foundation design and construction recommendations.

JEA Clark Road to District II 20-Inch Force Main Re-Route – Jacksonville, Florida Senior Geotechnical Engineer for the proposed 20-inch diameter PVS force main along Busch Drive from Gun Club Road to Whitacker Road. Most of the 6,400 linear feet of pipeline would be installed by the open-cut method. However, approximately 100 linear feet of the pipeline will be installed utilizing 36-inch steel casing installed by the jack-and-bore method under the existing CSX railroad tracks. Auger borings were drilled along the planned pipeline route, and Standard Penetration Test (SPT) borings were drilled at the proposed launching and receiving pits for the jack-and-bore crossings. Soil corrosion tests were performed on selected samples to determine their potential for corrosion on concrete and steel substructures. Geotechnical engineering recommendations were provided for the pipeline, manhole and jack-and-bore pits, along with recommendations for placement and compaction of pipe bedding and backfilling, in our geotechnical report.

JEA San Jose Phase Out, Tie to Royal Lakes Outfall – Jacksonville, Florida Senior Geotechnical Engineer for this project, which included design of an approximately 3,100 LF, 20-inch diameter force main. MAE’s responsibilities included Standard Penetration Test (SPT) borings at the proposed jack and bore locations, and auger borings along the pipeline alignment. A Geotechnical Report was prepared that included geotechnical design recommendations for the pipeline and manhole support.

JEA District II WRF Effluent to SJRPP Cooling Towers – Jacksonville, Florida Senior Geotechnical Engineer for this project, which consists of a new reuse 20-inch diameter water effluent pipeline from the District II WRF outfall location to the SJRPP Cooling Towers. The proposed route includes about 1,500 linear feet of piping within the New Berlin Road Right-Of-Way and about 2,700 linear feet of piping within the JEA/SJRPP property. MAE’s responsibilities included Standard Penetration Test (SPT) and auger borings to explore the subsurface conditions along the pipeline alignment. A Geotechnical Report was prepared that included geotechnical design recommendations for the pipeline and manhole support.

JEA Class 4 Pump Station Improvements, Old Middleburg Road and Alachua Avenue – Jacksonville, Florida Principal Geotechnical Engineer. Project includes the construction of a precast electrical building. MAE’s responsibilities included a Standard Penetration Test (SPT) boring to a depth of 70 feet below existing grade within the area of the proposed structure. A Geotechnical Report was prepared that included pile foundation design and construction recommendations.

JEA Arlington Booster Pump Station – Jacksonville, Florida Senior Geotechnical Engineer for this facility, which included the design of a one-story prefabricated Electrical Building structure and a concrete slab-on-grade to support the planned pumps. MAE’s responsibilities included


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Standard Penetration Test (SPT) borings within the area of the proposed structures. A Geotechnical Report was prepared that included foundation design recommendations.

JEA Circuits 675/676 Replace Structure 4 – Jacksonville, Florida Senior Geotechnical Engineer for this project, which included the replacement of the 2-pole Structure 4 of Circuits 675/676 due to the condition of the wood poles. MAE’s responsibilities included one Standard Penetration Test (SPT) boring offset approximately 30 feet of the existing structure due to overhead utility lines. A Geotechnical Report was prepared which included geotechnical design parameters based on empirical correlations between N-values and various soil properties.

JEA Orange Street Reservoir – Jacksonville, Duval County, Florida Senior Geotechnical Engineer responsible for review of Statnamic Load Test procedures and testing for auger cast-in-place pile foundation for new reservoir. Responsibilities also included review of pile installation records, low-strain pile integrity testing results, and other construction related activities for the new foundation system and other structures, and presentation of opinions and recommendations regarding the tests and installation results.

Baldwin Park and Ride Facility – Baldwin, Duval County, Florida Principal Engineer. This project consisted of construction of a bus shelter structure, pavement and stormwater pond areas, and a traffic signal mast arm. Our scope of work included Standard Penetration Test (SPT) borings within the proposed bus shelter and mast arm areas and auger borings within the proposed pavement and pond areas. Our geotechnical report included shelter foundation design recommendations, pavement and pond considerations, and mast arm foundation recommendations.

J. Montgomery Correctional Facility, JSO Firing Range – Jacksonville, Florida Principal Engineer. This project consists of relocating a portion of the present berm 16 feet to the north towards an existing pond. The berm will have a height of 20 feet with a front face slope of 2:1 Horizontal:Vertical and a back face slope of 1.5:1. The proposed berm embankment will have a 3.5-foot thick by 10-foot high ballistic sand layer on the front slope for bullets to impact the embankment. Our scope of work included performing Standard Penetration Test (SPT) borings within the area of the new embankment. Hand auger borings were located within the existing berm soils that will be relocated to form the new berm. Muck probes were located in the existing stormwater pond adjacent to the proposed berm relocation area to measure the thickness of the soft bottom sediments. A settlement analysis was performed to estimate the magnitude of the new embankment settlement. In addition, the existing pond slope was analyzed for stability to verify the appropriate factor of safety was achieved based on the proximity of the new embankment. The results of our analyses and design and construction recommendations for the berm relocation were provided in our geotechnical report.

South Dixie Highway Improvements Evaluation – St. Augustine, St. Johns County, Florida Principal Engineer. This project will include the widening of the existing roadway and construction of a stormwater retention pond. Our scope of work included: twenty (20) auger borings drilled adjacent to the existing roadway, alternating left and right of the roadway centerline, to evaluate the shallow subsurface conditions for the planned pavement widening; Standard Penetration Test (SPT) borings drilled within the area of the proposed stormwater pond to explore for suitable soils for use as subgrade fill; pavement cores located on the existing roadway to observe and measure the thickness of the existing asphalt surface and underlying base layers, and to observe the subgrade soils. Our report included evaluation of the encountered subsurface conditions, preliminary design recommendations for pavement, pipeline and manhole support, and preliminary site preparation and earthwork recommendations.

Frances Avenue Phase 1, Atlantic Beach, Florida Principal Engineer. This project includes rebuilding the existing roadway beginning at its intersection with Donners Road and terminating approximately 500 feet to the north at the Jackson Road intersection. Our field exploration consisted of performing asphalt core samples of the existing pavement and auger borings of the underlying subgrade soils. Design and earthwork recommendations and pavement considerations were provided.


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Phone: (904)519-6990 Fax: (904)519-6992

Foxtail Avenue Improvements – Middleburg, Clay County, Florida Principal Geotechnical Engineer. This project includes paving the existing soil surfaced roadway. The current paved section will be milled and resurfaced, and the unpaved roadway will be constructed as a two-lane rural section with an asphalt pavement surface. Drainage swales will be constructed on both sides of the roadway. Our field exploration consisted of auger borings within the proposed roadway alignment, pavement cores within the existing asphalt section of the roadway alignment, and Double-Ring Infiltrometer (DRI) tests within the proposed swale areas on both sides of the existing unpaved roadway. Six bulk samples of the roadway surface soils were also collected along the existing unpaved roadway for Limerock Bearing Ratio (LBR) testing. Pavement considerations and stormwater management recommendations were provided in our report.

Baker Road Improvements – Keystone Heights, Clay County, Florida Principal Geotechnical Engineer. This project includes paving the existing soil surfaced roadway. The new roadway will be a two-lane rural section with an asphalt pavement surface and drainage swales on both sides of the alignment. Our field exploration consisted of auger borings within the proposed roadway alignment and Double-Ring Infiltrometer (DRI) tests within the proposed swale areas on both sides of the existing dirt roadway. Five bulk samples of the roadway surface soils were also collected along the existing dirt roadway for Limerock Bearing Ratio (LBR) testing. Pavement considerations and stormwater management recommendations were provided in our report.

Various Drainage Improvement Projects –City of Palm Coast, Florida Principal Engineer. Geotechnical services were provided for the City of Palm Coast to explore the subsurface conditions at various sites within the City within existing stormwater swale areas that were draining poorly due to lack of infiltration. Our field explorations included auger borings within the swales and obtaining soil samples for laboratory classification and index property tests. Our geotechnical engineering report included estimated seasonal high groundwater levels and recommendations for swale remediation, if required.

Various Vertical Drain Installation Projects – City of Palm Coast, Florida Principal Engineer. Vertical drains were installed at various sites for the City of Palm Coast to improve the drainage of the existing swales. Each drain was installed using a hollow stem auger. Boreholes were drilled to various depths and the annular space inside the hollow stem auger was filled with 3/8-inch gravel from the bottom of the borehole to the ground surface. Additional gravel was installed as the auger was withdrawn from the borehole.

Various UNF Athletics & Recreational Facilities – Jacksonville, Florida Principal Geotechnical Engineer. This project includes construction of new facilities for athletic and recreational use. These facilities include two new soccer fields, three lighted tennis courts, five sand volleyball courts, one javelin throw area, and one stormwater retention pond. Our field exploration consisted of twenty-five (25) auger borings within the soccer fields, tennis and volleyball courts, javelin throw area, and proposed stormwater pond and seven (7) Standard Penetration Test (SPT) borings within the area of the light towers. In addition, six (6) piezometers were installed within the proposed soccer fields, tennis courts, and sand volleyball courts to monitor groundwater levels over time. Double-Ring Infiltrometer (DRI) tests within each soccer field were run to measure the infiltration rate of the existing surficial sands. A geotechnical report was issued presenting our findings, conclusions and recommendations for construction of the light towers and various athletics and recreational facilities, and pond considerations.

UNF Student Assembly Center – Jacksonville, Florida Principal Engineer. This project consists of a one-story, L-shaped structure that will include a chapel area. A portion of the planned chapel will extend over the existing pond adjacent to the site. In addition, a roadway and stormwater pond will be constructed. Standard Penetration Test (SPT) Borings were performed within the proposed structure, roadway, and stormwater pond areas. Recommendations for foundation design parameters, proposed roadway, seasonal high and low groundwater levels, and testing required during site preparation and earthwork construction will be documented in our geotechnical report.

UNF Parking Garage – Jacksonville, Florida Principal Engineer. This project includes the design of a 4-level parking garage within Lot 12 on the UNF Campus which will connect to the existing Fine Arts Center garage via a bridge at Levels 3 and 4. In addition, pavement


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improvements are proposed for the existing driveway/parking areas within Lot 12. Standard Penetration Test (SPT) Borings were performed within the proposed parking garage, lake, and walkway areas. Auger borings and pavement cores were performed in the pavement improvement areas. Recommendations for foundation design parameters, pavement design, and testing required during site preparation and earthwork construction will be documented in our geotechnical report.

UNF Hodges Stadium Soccer Field Drainage Improvements – Jacksonville, Florida Senior Geotechnical Engineer. This project included exploration of the subsurface soil conditions in the general area of the existing Soccer Field, which had developed drainage problems due to standing water remaining for prolonged periods after a rainfall event. The shallow subsurface conditions were explored by drilling auger borings and performing a Double-Ring Infiltrometer (DRI) test. Laboratory testing was performed on representative soil samples to further define their engineering characteristics. A geotechnical report was issued presenting our findings, conclusions and recommendations for construction of an underdrain system to improve the subsurface drainage of the soccer field.

UNF Tennis Courts – Jacksonville, Florida Senior Geotechnical Engineer. This project included exploration of the subsurface soil conditions in the general area of the existing tennis courts, which had developed significant cracks of the playing surface and some differential settlement. Our field exploration consisted of observing the site conditions and drilling shallow auger borings to explore the shallow subsurface soil conditions. Laboratory testing was performed on representative soil samples to further define their engineering characteristics. A geotechnical report was issued presenting our findings, conclusions and recommendations for construction of the new courts and associated drainage improvements.

Jacksonville Aquatic Center Feasibility Study – Jacksonville, Florida Principal Engineer. This project consisted of the planning and conceptual design of a proposed Aquatic Center at First Coast High School. The Center will include a competitive swim area with associated locker rooms and offices, as well as a recreational swim area and other amenities. Scope of work included Standard Penetration Test (SPT) soil borings and laboratory testing. Our geotechnical report included foundation design recommendations for the proposed structures and amenities as well site preparation recommendations for construction.

Episcopal High School, Parking Improvements – Jacksonville, Florida Senior Geotechnical Engineer responsible for project and staff management. Scope of work included improvements to the existing drive aisles and parking areas which currently consist of a combination of gravel, asphalt, millings, etc. Subsurface conditions and existing pavement were explored with soil borings and pavement cores. Recommendations were provided for pavement design and reconstruction, and underdrain installation, if needed.

BioLife Building at 8226 Philips Highway – Jacksonville, Florida Principal Engineer. The project structure showed signs of cracking on the south exterior wall of the west portion of the existing building, primarily along the mortar joints between the masonry units. It was also observed that the surface area around two roof drain downspouts in the area of the wall cracks was depressed. MAE explored the shallow subsurface conditions by performing hand auger borings, and a hand-held static Cone Penetrometer was used to estimate the relative density of the underlying soils. Our geotechnical report presented our observations and findings.

Borland-Groover Clinic: Medical Office Building, MRI Addition, and Southpoint Parking Area – Jacksonville, Florida Principal Engineer. This project consists of the design of a two-story medical office building and associated parking, a one-story medical office (MRI) addition, and an approximate 46,000-square-foot asphalt parking area. Our scope of work included performing Standard Penetration Test (SPT) borings within the structure areas and auger borings within the associated parking areas. Our geotechnical reports included foundation design recommendations for structures, pavement considerations, and site preparation recommendations.


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Phone: (904)519-6990 Fax: (904)519-6992

Proposed Marsh Landing Cell Tower – St. Johns County, Florida Sr. Geotechnical Engineer. Project will include construction of a 170-foot monopole tower. One Standard Penetration Test (SPT) boring was drilled to a depth of approximately 65 feet below ground surface near the center of the proposed cell tower parcel. Laboratory testing to determine soil index properties testing was performed on samples to verify soil classification. Foundation design recommendations, which included Geotechnical design parameters for the Tower foundation system, and construction considerations were provided in our geotechnical report.

City of Green Cove Springs Public Service Building – Green Cove Springs, Clay County, Florida Senior Geotechnical Engineer responsible for project, staff and subconsultant management. Project included facility to function as a police station and as a storm shelter capable of withstanding a Category 5 storm. Scope of work included field explorations, laboratory testing and geotechnical analyses related to design of a new one-story Public Service Building. A parking/drive area and a stormwater retention pond at the south end of the site was also part of site development. The field exploration scope of work included Standard Penetration Test (SPT) borings for the new structure, auger borings for the new pavement, and auger borings for the stormwater pond. Report submittal included recommendations for foundation design and construction, and recommendations for fill placement and site development. (IE)

RD/CDBG Wastewater Collection and Transmission Facility, Phase 2 – City of Lawtey, Bradford County, Florida Senior Geotechnical Engineer. Scope of work included field explorations, laboratory testing and geotechnical analyses related to design and construction of a new wastewater collection system; including SPT borings along the pipeline route and at new pump station structures. Report submittal included recommendations for geotechnical design and construction of the new pipeline and wetwells associated with the pump stations, particularly with respect to construction within plastic clay soils and backfill recommendations to reduce potential settlements. (IE)

Highridge Estates Roadway Reconstruction – Clay County, Florida Senior Geotechnical Engineer responsible for project, staff and subconsultant management. Scope of work included field explorations, laboratory testing and geotechnical analyses related to evaluation of current clayey soil-surfaced roadways and design recommendations for a flexible pavement section. Field exploration included Auger borings along the existing roadways, bulk sampling of the current surface soils for laboratory testing for LBR (base material) and permeability (swale design for stormwater drainage). Report submittal included recommendations for pavement design and construction and recommendations for reuse of the current roadway surface soils as base material for the new section. (IE)

Baldwin Family Dollar Store – Baldwin, Duval County, Florida Senior Geotechnical Engineer responsible for project, staff and subconsultant management. Scope of work included field explorations, laboratory testing and geotechnical analyses related to design of a new Family Dollar store and associated site development, including Standard Penetration Test (SPT) borings for the new structure, auger borings for new pavements, and auger borings and field permeability tests for new stormwater ponds. Report submittal included recommendations for foundation design and construction and recommendations for fill placement and site development. (IE)

Future 435-Acre Single-Family Residential Development, County Road 218 – Middleburg, Clay County, Florida Geotechnical Engineer responsible for proposal preparation, planning of the field exploration program, review of all field exploration data and laboratory testing results, and performing engineering analyses and preparation of final report. Project scope included soil borings within the proposed stormwater ponds, laboratory testing to define pertinent engineering properties and confirm classifications, and engineering analysis of the encountered soils for use as embankment fill for roadway construction. (IE)

SR 9B from SR 9A Intersection to I-95 – Jacksonville, Duval County, Florida Senior Geotechnical Engineer responsible for review of all field exploration data, laboratory testing and engineering analyses, as well as review of all final reports. Project scope included geotechnical exploration and analyses for new 4-lane divided roadway with several bridges high embankments and MSE walls, plus several


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Phone: (904)519-6990 Fax: (904)519-6992

miscellaneous structures (high-mast lighting, culverts, overhead signs). Project also included delineating several areas of unsuitable organic soils and providing recommendations for removal and replacement with engineered fill. (IE)

SR 23 (Branan Field/Chaffee Road) from 103rd Street to I-10 – Jacksonville, Duval County, Florida Geotechnical Engineer-of-Record for 4-Lane Divided Highway with 4 split-grade interchanges at: Argyle Forest Boulevard, 103rd Street, Normandy Boulevard, and New World Avenue. In addition, the project included Ramp P-2 Bridge (fly-over) at I-10, SR-23 Bridge over I-10, and Replacement of Halsema Road Bridge over I-10. Scope included all field exploration, lab testing, engineering analyses and report preparation and review for a new limited-access roadway on fill. Geotechnical issues addressed on this project included delineation of excessively organic soils and recommendations for removal and replacement with engineered fill, pile foundations for bridge structures, MSE walls for high embankments, foundation recommendations for miscellaneous structures (high-mast lighting, overhead signs, culverts), and geotechnical information for stormwater retention pond design. (IE)

Race Track Road Improvements & Durbin Creek Bridge Replacement – St. Johns County, Florida Senior Geotechnical Engineer responsible for review of all field exploration data, laboratory testing and engineering analyses, as well as final reports. Project included geotechnical exploration and analyses for widening the existing 2-lane roadway to a 4-lane divided roadway, including a new bridge over Durbin Creek and widening the existing overpass of I-95. Project also included design of the new pavement section. (IE)

SR 415 from SR 46 to Volusia County Line – Seminole County, Florida As Senior Geotechnical Engineer, reviewed all geotechnical work for project; scope included field exploration, laboratory testing and engineering analyses related to widening existing 2-lane roadway to a 4-lane divided roadway, new stormwater retention ponds and drainage structures. (IE)

Taylor Road Widening – Volusia County, Florida Senior Geotechnical Engineer responsible for review of all field exploration data, laboratory testing and engineering analyses, as well as final report. Project included geotechnical exploration and analyses for widening existing 2-lane roadway to a 4-lane roadway, including new culverts and stormwater retention ponds. (IE)

Bridgestone/Firestone Tire Distribution & Logistics Center – Duval County, Florida Senior Geotechnical Engineer for geotechnical engineering, construction materials testing and stormwater discharge compliance services for a one-million-square-foot warehouse project located in Cecil Commerce Center North in Jacksonville. Scope of work during the geotechnical engineering phase included field explorations, laboratory testing and geotechnical analyses related to design and construction of the facility; including SPT borings for the warehouse structure and auger borings for the new pavements. Scope of work during the construction phase included construction materials testing services during earthwork, building construction and pavement construction. Monitoring of stormwater discharge during construction for NPDES compliance was also provided. Post construction activities included evaluation of slab cracking for the structure and concrete pavement due to groundwater within the fill soil, and recommendations for remediation. (IE)

St. Johns County Administration Building – St. Johns County, Florida Senior Geotechnical Engineer responsible for evaluation of pavement distress within the parking and drive areas. Scope of work included performing many shallow Auger borings to explore the subsurface soil and groundwater conditions, and obtaining samples of the pavement base and subgrade materials. An engineering report was prepared to document our field and lab testing programs, and to present our conclusions and recommendations to remediate the problem. (IE)

St. Johns County School Board High School “CCC” (Ponte Vedra High School) – St. Johns County, Florida Senior Geotechnical Engineer responsible for project and staff management. Scope of work included field exploration, laboratory testing and engineering analyses related to design of new High School; including SPT borings for new structures and auger borings for new pavements, athletic fields and stormwater ponds; additional auger borings to delineate lateral and vertical extent of muck soils; laboratory testing; engineering analysis for shallow foundation design for structures, and recommendations for design and construction of structures, pavements, athletic fields and stormwater ponds; engineering review and consultation during


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Phone: (904)519-6990 Fax: (904)519-6992

construction on soils related issues; post-construction consultation on soil and permeability issues for football stadium. (IE)

Bartram Trail High School 9th Grade Center – St. Johns County, Florida Senior Geotechnical Engineer for this new stand-alone structure and associated construction at the existing school. Geotechnical services included Standard Penetration Test (SPT) and auger borings in the area of proposed one-story building, new bus parking areas and a proposed service road at the site. Static hand cone penetrometer tests were performed at some boring locations which were in close proximity to a below-grade gas line. Our geotechnical report included foundation design and construction recommendations, and recommendations for pavement design. (IE)

Clay County Fairgrounds Parking Expansion – Green Cove Springs, Clay County, Florida Senior Geotechnical Engineer responsible for project, staff and subconsultant management. Scope of work included field explorations, laboratory testing and geotechnical analyses related to evaluation of subsurface soils from the proposed stormwater pond for used as subgrade fill for an adjacent parking expansion of the current Fairgrounds facility off CR 315. Field exploration included SPT borings within the proposed pond, laboratory testing to define pertinent engineering properties and confirm classifications, and engineering analysis of the encountered soils for use as subgrade fill for the new parking area. (IE)

Fox Creek Regional Pond – St. Johns County, Florida Senior Geotechnical Engineer for this project that consisted of a 40-acre regional stormwater detention pond constructed in West Augustine. Geotechnical scope included soil borings and In-Situ and laboratory permeability testing to estimate hydraulic conductivity of the encountered soils. These values were used to estimate drawdown impacts on surrounding wetlands at three separate stages using PONDS. (IE)

SilverLeaf Plantation DRI – St. Johns County, Florida Senior Geotechnical Engineer during the design phase of the planned stormwater detention ponds along Leo Maguire Parkway, SR 16 and the CR 16A Connector for this 7,300-acre development. Geotechnical scope included soil borings and laboratory permeability tests to determine hydraulic conductivities of the encountered soils. This information was used to model the ponds and determine any wetland impacts that needed to be mitigated. (IE)

Navy Federal Projects in NE Florida – Jacksonville, Duval County, Florida Senior Engineer overseeing construction materials testing and inspection services during the construction phase of several Navy Federal offices in the Jacksonville area. Services included in-place density testing of on-site soil subgrades and imported structural fill, field testing during concrete placement and casting of specimens for laboratory testing, inspection of reinforcing steel prior to concrete placement, inspection of structural steel elements during erection, and inspection and testing of concrete and asphalt placement for parking/drive areas. (IE)

NAS Jacksonville H60R Helicopter Hangar – Jacksonville, Duval County, Florida Senior Geotechnical Engineer. This project was an evaluation of the existing porous asphalt pavement system to determine the cause or causes of failure due to raveling of the asphalt surface course after only one year of service. Field services included observation of the pavement surface and the surrounding area, coring of the asphalt surface in raveled and unraveled areas, and observation of the underlying base course material. Laboratory testing services included testing of the asphalt cores to determine asphalt content and aggregate gradation. Recommendations included possible remediation techniques to reduce the risk for future raveling while maintaining the infiltration properties of the pavement. (IE)

Former Rayonier Facility – Bunnell, Flagler County, Florida Senior Geotechnical Engineer. This project involved evaluating an area of the site to stockpile low-level contaminated soils. Field services included exploring the subsurface soil conditions and providing recommendations for allowable net soil contact pressure and allowable side slope angle for the stockpile. Later services focused on reusing the contaminated soils on-site as base material for future heavy truck traffic pavement. Laboratory testing was performed on several samples to develop a soil-cement design based on FDOT specifications. (IE)


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Phone: (904)519-6990 Fax: (904)519-6992

City of Labelle New Water Treatment Plant – Labelle, Hendry County, Florida Senior Geotechnical Engineer. This project involved the design of a new Plant in a remote area of Hendry County south of Labelle that was formally used for agriculture. New structures included two storage tanks (60- and 120-foot diameter), a treatment building, a chemical storage building and a degassifier tower structure. Engineering consulting services were provided during the field exploration and laboratory testing phases of the project, and for review of the geotechnical report. Services also included geotechnical design of wet and dry stormwater treatment ponds. (IE)

Slope Stability Analyses During Construction on Herbert Hoover Dike –Palm Beach County, Florida Senior Engineer responsible for analyzing the contractor’s proposed work platform and equipment loadings along the Herbert Hoover Dike during installation of the cut-off wall. Analyses included subsurface soil information obtained from the Corps of Engineers as well as the platform construction plan and equipment loads submitted by the contractor. (IE)

p. rodney mank, p.e. vice-president principal … · penetration test (spt) borings for the...

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