17-19-APPENDIX E - IFB 023-26-RM PS-43 Meginnis Arm WGI (4-9-2024) Utility Report.pdf
PDF 5 MB Posted
- Attached to
- PUMP STATION 43 IMPROVEMENTS
- Solicitation number
- IFB-023-26-RM
- Issued by
- Leon County, Florida
About this file
This is a Surveyor's Report of Subsurface Utility Investigation prepared by WGI, Inc. for the City of Tallahassee Water Resources Engineering. The report documents the results of a subsurface utility investigation conducted along Meginnis Arm Road between Meginnis Lane and Lakeshore Drive near the right-of-way of SR 8 (I-10) in Leon County, Florida. The investigation was performed to detect, designate, expose, interpret, and survey the locations of wastewater pipelines, specifically the Meginnis Arm Force Main, with a focus on identifying points of material type transition and corresponding depths. The survey was conducted between March 8, 2024, and April 4, 2024, and submitted on April 9, 2024. Field personnel included John Alford, Matt Logue, and Aaron Taylor. Eight Quality Level A test holes were performed to determine utility type, depth, configuration, and size. The investigation identified the force main pipeline in various sections with differing pipe materials, including 30-inch steel casing, 18-inch ductile iron pipe (DIP), 18-inch polyvinyl chloride (PVC), and concrete thrust blocks at varying depths ranging from approximately 4.8 to 6.7 feet below ground surface, with corresponding top elevations between 115.0 and 125.5 feet.
The utility investigation employed both Quality Level B designation and Quality Level A locating methods in accordance with ASCE 38-22 standards. Detection methods included geophysical equipment such as ground penetrating radar (GPR), Vivax Metrotech Utility Line Locator, and Rigid SR-60 Seek-Tech Utility Line Locator. One Call notification through Sunshine 811 One Call of Florida (Design Ticket No. 067402995) was conducted, though no utility records beyond design ticket responses were provided. Following geophysical designation and surface marking in accordance with American Public Works Association Uniform Color Code, subsurface investigation was performed using vacuum extraction at each test hole location, followed by geospatial surveying to establish three-dimensional coordinates. Horizontal and vertical control was referenced from a previous survey (WGI job number 5987.00 from July 28, 2020) using the Florida State Plane Coordinate System, North Zone, Lambert Projection, with NAD83/NSRS2011 datum and elevations based on NAVD 88. The report notes data limitations, including that geophysical prospecting techniques may be subject to outside interference and soil conditions that could prevent detection of some utilities, and that the data is not intended for design of utility connections or taps.
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1 WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page
Surveyor’s Report of Subsurface Utility Investigation
WGI Inc. Project Number: 6462.12
Pump Station 43 (Meginnis Arm) Force Main
Meginnis Arm Road Leon County, Florida
Report Date: April 9, 2024
Submitted to:
City of Tallahassee
Water Resources Engineering Underground Utilities & Public Infrastructure
408 N. Adams Street Tallahassee, Florida 32301
Submitted by:
WGI, Inc.
Licensed Business Number 7055
2316 Killearn Center Boulevard, Building C, Suite 100 Tallahassee, Florida 32309
Phone: (850) 210-0101 Fax: (855) 856-3577
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 2
CONTENTS
1. PROJECT INFORMATION
2. PROJECT LOCATION
3. TYPE OF SURVEY
4. METHODS USED TO COLLECT AND DEPICT UTILITY INFORMATION
One Call
Geophysical Search
Quality Level B Designating
Quality Level A Locating
5. METADATA FROM CLIENT
6. UTILITY DRAWING FILES THAT ACCOMPANY THIS REPORT
7. PROJECT CONTROLS AND DATUMS
8. UTILITY LOCATION TEST HOLE DATA
9. UTILITY MAP
10. DATA LIMITATIONS
11. CERTIFICATION
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 3
1. PROJECT INFORMATION
• Client: City of Tallahassee
• WGI Project Number: 6462.12
• Project Location: Meginnis Arm Road (see Figure 1.)
• Project Limits: Along Meginnis Arm Road between Meginnis Lane and Lakeshore Drive near the Right of Way of SR 8 (I-10)
• Survey Date: Begin Date: 03/08/2024; End Date: 04/04/2024.
• Field Personnel: John Alford, Matt Logue, and Aaron Taylor
• Field Book Number: N117
2. PROJECT LOCATION
Figure 1.
3. TYPE OF SURVEY
The purpose of this investigation was to detect, designate, expose, interpret, and survey the locations of wastewater pipelines within specified project limits identified by the Client.
This report depicted the results of the subsurface utility investigation in general conformity with the Quality Level B and Quality Level A definitions of ASCE1 38-22 Standard Guideline for Investigating and Documenting Existing Utilities.
The subsurface utility investigation focused on identifying the points of material type transition and corresponding depths of the Meginnis Arm Force Main at locations specified by the Client.
1 ASCE. Standard guideline for investigating and documenting existing utilities. American Society of Civil Engineers.
ASCE/UESI/CI 38-22. Reston, VA. 2022
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 4
4. METHODS USED TO COLLECT AND DEPICT UTILITY INFORMATION
One Call
WGI contacted Sunshine 811 One Call of Florida (SSOCOF). Design Ticket Nos.
067402995 was issued to WGI. Using the design ticket record of Utility Agency Owners (UAO), WGI contacted each UAOs (see Table 1.) to request utility records for the project site. However, no records, oral nor written, were provided to WGI other than responses included in the design tickets (See Table 1.). WGI did not perform any utility record records research on this project.
Geophysical Search
WGI used a Mala Locator System ground penetrating radar (GPR) device and Vivax Metrotech Utility Line Locator, Model 9860XT to sweep for known, suspected, and unknown utilities within the specified project limits.
Quality Level B Designating
WGI performed ASCE 38-22 Quality Level B subsurface utility designation of the Meginnis Arm force main using geophysical prospecting equipment: Mala Locator System ground penetrating radar (GPR), Vivax Metrotech Utility Line Locator, and Rigid SR-60 Seek-Tech Utility Line Locator.
WGI and affected utility agency owners marked existing underground utilities at the ground surface in accordance with the American Public Works Association Uniform Color Code. Paint marks were sprayed on the ground representing the approximate centerline of a utility feature. WGI also photographed the immediate position of each test hole that included paint marks, where designation was performed.
Quality Level A Locating
Test hole locations were selected by the Client in consultation with WGI. After utilities were designated and marked on the ground surface, subsurface utility investigation personnel performed soil extraction at individual test holes to determine type, depth, configuration, and size of utility feature using a Vacuum Master 4000 truck. After backfilling test holes, a geospatial survey crew performed a horizontal and vertical survey to accurately determine three-dimensional coordinates of each exposed utility.
This is the process known as Quality Level A utility locating, as defined by ASCE 38-22.
A total of eight (8) Quality Level A test holes were performed for this task order.
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 5
Table 1. Utility Agency Owners
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 6
5. METADATA FROM CLIENT
Client furnished the following digital data files for use by WGI:
• DEV_F060 PS 43 FM 1992.pdf
6. UTILITY DRAWING FILES THAT ACCOMPANY THIS REPORT
• V-646212-SV0001.dwg
7. PROJECT CONTROLS AND DATUMS
• Horizontal and vertical control was utilized from a previous survey, by this firm, job number, 5987.00, dated 07/28/2020.
• The coordinate system utilized herein is relative to the Florida State Plane Coordinate
System, North Zone, Lambert Projection, North American Datum of 1983 (National Spatial
Reference System of 2011 Adjustment) (NAD83/NSRS2011).
• Units of measurements used are U.S. Survey Feet.
• Elevations are based on the North American Vertical Datum of 1988 (NAVD 88).
8. UTILITY LOCATION TEST HOLE DATA
ABBREVIATIONS
ASCE = American Society of Civil Engineers AT = Aaron Taylor
(B) = Level B BE = Buried Electric BGV = Below Grade Vault BPWR = Buried Power BT = Buried Telephone CL = Centerline CMON = Concrete Monument CONC. = Concrete DIP = Ductile Iron Pipe DB = Duct Bank DBC = Direct Buried Cable FB = Field Book FM = Force Main FOCU = Buried Fiber Optic Cable GM = Gas Line GPR = Ground Penetrating Radar HDPE = High Density Polyethylene HL = Hub & Lathe INC. = Incorporated I.R.C. = Iron Rod & Cap JA = John Alford JH = Jarvaro Hampton ML = Matt Logue N/A = Not applicable
N = Nail No. = Number PG = Page Number PVC = Polyvinyl Chloride QLA = Quality Level A QLB = Quality Level B RT = Right R.O.W. = Right-of-Way RCP = Reinforced Concrete Pipe S/N = South to North SLC = Street Light ST. = Street STA = Station STL = Steel STS = Storm Sewer SS = Sanitary Sewer TC = Traffic Control THA = Test Hole Quality Level A UNK = Unknown, Unable to Identify Utility VCP = Vitrified Clay Pipe W/E = West to East WGI = WGI, Inc.
WM = Water Line WPB = Wiring Pull Box X = Chiseled X Cut
7 WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 8
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 9
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 10
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 11
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 12
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 13
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 14
PREPARED BY: V-646212-SV001.DWG
CHECKED/QC
DRAWN BY
CAD
DATE
JOB NO.
JH
AV
6462.12
4/9/2024
PROJECT: TASK:
PUMP STATION 43 FORCE MAIN UTILITY MAP (1)
0 50 100 200
SCALE: 1" = 100'
Phone No. 866.909.2220 www.wginc.com LB No. 7055
2316 Killearn Center Blvd, Bldg C, Suite 100, Tallahassee, FL 32309
AutoCAD SHX Text
MEGINNIS ARM ROAD
AutoCAD SHX Text
SR 8 (I-10)
AutoCAD SHX Text
PUMP STATION 43
AutoCAD SHX Text TEST HOLE #JA01 FM 30" STEEL CASING GROUND ELEVATION: 121.6' DEPTH TO COVER: 6.20' TOP ELEVATION: 115.4' TEST HOLE #JA02 FM 18" DIP GROUND ELEVATION: 121.6' DEPTH TO COVER: 6.6' TOP ELEVATION: 115.0'
AutoCAD SHX Text TEST HOLE #JA03 FM CONC. THRUST BLOCK GROUND ELEVATION: 122.2' DEPTH TO COVER: 6.6' TOP ELEVATION: 115.6'
AutoCAD SHX Text TEST HOLE #JA04 FM 18" PVC GROUND ELEVATION: 121.9' DEPTH TO COVER: 6.7' TOP ELEVATION: 115.2'
AutoCAD SHX Text TEST HOLE #JA08 FM 30" STEEL CASING GROUND ELEVATION: 130.3' DEPTH TO COVER: 4.8' TOP ELEVATION: 125.5' TEST HOLE #JA07 FM 18" DIP GROUND ELEVATION: 130.3' DEPTH TO COVER: 5.2' TOP ELEVATION: 125.5'
AutoCAD SHX Text Jarvaro Hampton P:\6400\6462.12 Pump Station 43 Force Main SUE\SURVEY\Drawings\Survey\V-646212-SV001.dwg P:\6400\6462.12 Pump Station 43 Force Main SUE\SURVEY\Drawings\Survey\V-646212-SV001.dwg P:\6400\6462.12 Pump Station 43 Force Main SUE\SURVEY\Drawings\Survey\V-646212-SV001.dwg
AutoCAD SHX Text
TM
AutoCAD SHX Text
TP
AutoCAD SHX Text
= TEST HOLE
AutoCAD SHX Text
LINE LEGEND:
AutoCAD SHX Text
= BURIED SANITARY FORCE MAIN(ASCE 38-22 QUALITY LEVEL)
PREPARED BY: V-646212-SV001.DWG
CHECKED/QC
DRAWN BY
CAD
DATE
JOB NO.
JH
AV
6462.12
4/9/2024
PROJECT: TASK:
PUMP STATION 43 FORCE MAIN UTILITY MAP (2)
0 50 100 200
SCALE: 1" = 100'
Phone No. 866.909.2220 www.wginc.com LB No. 7055
2316 Killearn Center Blvd, Bldg C, Suite 100, Tallahassee, FL 32309
AutoCAD SHX Text TEST HOLE #JA08 FM 30" STEEL CASING GROUND ELEVATION: 130.3' DEPTH TO COVER: 4.8' TOP ELEVATION: 125.5' TEST HOLE #JA07 FM 18" DIP GROUND ELEVATION: 130.3' DEPTH TO COVER: 5.2' TOP ELEVATION: 125.5'
AutoCAD SHX Text TEST HOLE #JA05 FM 18" DIP GROUND ELEVATION: 130.6' DEPTH TO COVER: 5.5' TOP ELEVATION: 125.1'
AutoCAD SHX Text TEST HOLE #JA06 FM 18" PVC GROUND ELEVATION: 130.8' DEPTH TO COVER: 6.0' TOP ELEVATION: 124.8'
AutoCAD SHX Text
SR 8 (I-10)
AutoCAD SHX Text
MEGINNIS ARM ROAD
AutoCAD SHX Text Jarvaro Hampton P:\6400\6462.12 Pump Station 43 Force Main SUE\SURVEY\Drawings\Survey\V-646212-SV001.dwg P:\6400\6462.12 Pump Station 43 Force Main SUE\SURVEY\Drawings\Survey\V-646212-SV001.dwg P:\6400\6462.12 Pump Station 43 Force Main SUE\SURVEY\Drawings\Survey\V-646212-SV001.dwg
AutoCAD SHX Text
TM
AutoCAD SHX Text
TP
AutoCAD SHX Text
= TEST HOLE
AutoCAD SHX Text
LINE LEGEND:
AutoCAD SHX Text
= BURIED SANITARY FORCE MAIN(ASCE 38-22 QUALITY LEVEL)
WGI, Inc. 2316 Killearn Center Blvd., Building C, Suite 100, Tallahassee, FL 32309 850.210.0101 Page 17
10. DATA LIMITATIONS
This report presents spatial data of existing utilities to allow new infrastructure to be designed above, below, or around the existing utility features. The utility data is not intended for the design of a new utility joining an existing utility. Quality Level A or B data presented in this report may not be accurate or precise enough to be relied upon for the design of utility connections or taps to existing or proposed pipelines and conduits.
Quality Level B data should not be used where exact horizontal and vertical measurements are necessary.
Quality Level A utility data is the horizontal and vertical location of a utility feature obtained by exposure and measurement of the utility feature at a specific point of reference.
The absence of utilities does not guarantee there is a finding of “no utility conflict.”
Utilizing WGI’s subsurface utility investigation services does not relieve any party from its obligation to contact the utility damage prevention system before construction excavation begins. Utility marks placed on the ground by WGI are not to be used for construction purposes.
Geophysical prospecting techniques are subject to outside interference which are beyond the control of WGI and may impede the effectiveness of utility detection. Soil conditions, utility material, size, depth, groundwater salinity, and soil conductivity may prevent detection of some underground utilities. Therefore, there is no guarantee that all utilities have been detected and located.
Certain surface obstructions may have restricted access to some utility features. In such cases, subsurface investigation was concluded at the sole discretion of WGI after determining that all reasonable resources, means, and methods have been exhausted.
Such occurrences, if any, are specifically noted in this report.
11. CERTIFICATION
I hereby certify that this subsurface utility investigation report and all files herein are a true and accurate representation of a field investigation made under my responsible charge, and that to the best of my knowledge meets the Standards of Practice as set forth by the Florida Boards of Professional Surveyors and Mappers in Rule Chapter 5J-17, Florida Administrative Code.
Signed:
Jeremiah Slaymaker, Professional Surveyor and Mapper Florida License No. LS 6387
The official records of this surveyor’s report is the electronic files digitally signed and sealed under rule 5J-17.062, F.A.C.
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| Jeremiah Slaymaker |
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