Horizon_West_Trail_Phase_I_Boardwalk-_Structures_Design_Calculations.pdf
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- Attached to
- Horizon West Trail - Phase 1A
- Solicitation number
- Y26-754
- Issued by
- Orange County, Orlando City, Florida
About this file
This is a structural design calculations document prepared by DRMP, Inc. for Orange County, Florida regarding the Horizon West Trail Phase 1 boardwalk project under Contract No. Y21-806. The document provides geotechnical data and pile design specifications for the boardwalk structures, detailing the engineering analysis performed by licensed professional engineers Candy A. Bundy (PE License No. 53984) and Jocelyn M. Haisch-Linn (PE License No. 60103). The project encompasses approximately 8,737 linear feet of boardwalk from Station 2012+76.51 to Station 2021+50.00, requiring a total of 122 fourteen-inch square prestressed concrete piles (20 production piles for the section from Sta. 2013+10.25 to Sta. 2014+40 and 102 production piles for the section from Sta. 2014+40 to Sta. 2021+50), with an additional 6 test piles. Pile lengths vary from 25 to 49 feet depending on location, with embedment depths ranging from 20.4 to 31 feet based on geotechnical boring data across seven boring locations (B-1 through B-7).
The design calculations establish a nominal bearing resistance of 29 tons per pile based on load combinations including dead loads, pedestrian loads, and H10 design vehicle loads with appropriate AASHTO LRFD load factors. A resistance factor of 0.65 is applied based on pile dynamic analysis (PDA). The pile design specifies that all piles must be driven to minimum tip elevations ranging from 88 to 97 feet, with pile tips varying by boring location. Installation requirements include dynamic monitoring per specification 455, set checks and re-drives to achieve required nominal bearing resistance, and dynamic load testing on at least one test pile per bent. The contractor is responsible for utility verification, protection of existing structures during pile driving, jetting approval, and submission of shop drawings signed and sealed by a licensed Florida professional engineer prior to fabrication.
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Horizon West Trail Phase 1 Orange County, Florida | Contract No. Y21-806
HORIZON WEST TRAIL
PHASE 1
Horizon West Trail Boardwalk
Structures Design Calculations
SEPTEMBER 2025
Prepared For:
Orange County, Florida Contract No. Y21-806
Engineer of Record:
DRMP, Inc.
941 Lake Baldwin Lane
Orlando, FL 32814 Phone: 407-896-0594
FAX: 407-896-4836
Candy A. Bundy, PE License No.: 53984
APRIL 2026
Jocelyn M. Haisch-Linn, PE
60103
Horizon West Trail Boardwalk | Structures Design Calculations
Table of Contents
Horizon West Trail Boardwalk
Section 1 – Geotechnical Data
Section 2 – Pile Design
Section 1 - Geotechnical Data
70.0
75.0
80.0
85.0
90.0
95.0
100.0
105.0
110.0
115.0
120.0
0 10 20 30 40 50 60 70 80 90 100
A
PP
R O
X
IM
AT
E
P
IL
E T
IP
E
L E
VA
T
IO
N
(F E
E T
ESTIMATED DAVISSON CAPACITY (TONS)
AXIAL CAPACITY DESIGN CURVE
HORIZON WEST TRAIL- BOARDWALK
14-INCH PRECAST PRESTRESSED CONCRETE PILES (PCP)
B-1
B-2
B-3
B-4
B-5
B-6
B-7
PILE CAPACITY CURVES HORIZON
WEST TRAIL
ORANGE COUNTY, FLORIDA
NADIC ENGINEERING SERVICES, INC.
CIVIL, ENVIRONMENTAL & GEOTECHNICAL
CONSULTANTS
DRAWN: MB
SCALE: NOTED PROJECT. No:
PR.GEO-RD21034
CHKD: GNN DATE: 04/11/2023 PLATE: 1
LEGEND
NOTES:
1) THE ESTIMATED DAVISSON CAPACITY REPRESENTS THE THEORETICAL
FAILURE CAPACITY OF A DRIVEN PILE. TO OBTAIN THE PILE TIP ELEVATIONS,
ONE SHOULD ENTER THE RECOMMENDED DAVISSON DESIGN CAPACITY CURVE
USING A NOMINAL BEARING RESISTANCE VALUE. THE NOMINAL BEARING
RESISTANCE IS COMPUTED BY DIVIDING THE SUM OF THE FACTORED DESIGN
LOAD, SCOUR RESISTANCE, AND DOWNDRAG BY THE APPROPIATE
PERFORMANCE FACTOR Ø BELOW WITH > 5% DYNAMIC TESTING.
Ø = 0.75 BASED ON DYNAMIC TESTING AND ANALYSIS & STATIC LOAD TEST
Ø = 0.65 BASED ON PILE DYNAMIC TESTING AND ITS ANALYSIS
Section 2 - Pile Design
DEPARTMENT OF PUBLIC WORKS
ENGINEERING DIVISION
4200 SOUTH JOHN YOUNG PARKWAY
ORLANDO, FLORIDA 32839
(407) 836-7900
ORANGE COUNTY
T H
E
O F
F I
C I
A L
R
C O
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T
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S
E E
T
T
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T R
O N
C
G I
T A
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A N
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ORLANDO, FL 32814
941 LAKE BALDWIN LANE
DRMP, INC.
P.E. LICENSE NUMBER 60103
JOCELYN M. HAISCH-LINN, P.E.
PILE DATA TABLE AND NOTES
B1-11
PILE DATA TABLE
DESIGN CRITERIAINSTALLATION CRITERIA
(TONS)
RESISTANCE
BEARING
NOMINAL
(FT)
ELEVATION
TIP
MINIMUM
(TONS)
DRAG
DOWN
(TONS)
RESISTANCE
SCOUR
TOTAL
(TONS)
RESISTANCE
SCOUR
NET
(TONS)
LOAD
UPLIFT
DESIGN
FACTORED
Ø
C
M P
R E
S S I O
N
TABLE DATE 01/01/16
(TONS)
RESISTANCE
UPLIFT
NOMINAL
Ø
P
L I F
T
(IN)
SIZE
PILE
(FT)
LENGTH
PILE
TEST
(FT)
ELEVATION
JET
REQUIRED
(FT)
ELEVATION
PREFORM
REQUIRED
(FT)
ELEVATION
SCOUR
100-YEAR
(TONS)
LOAD
DESIGN
FACTORED
STATIONING
BENT
14 29 N/A 49 N/A N/A N/A N/A N/A N/A N/A N/A
NOTES
Ø
FACTORED DESIGN LOAD + NET SCOUR RESISTANCE + DOWN DRAG ≤ NOMINAL BEARING RESISTANCE
0.65
14 29 N/A 40 N/A N/A N/A N/A N/A N/A N/A N/A0.65
STA. 2021+50.00
STA. 2014+40.00 TO
STA. 2014+40.00
STA. 2013+10.25 TO
BCS 02-24
CAB 02-24
CAB 02-24
JMHL 02-24
FOR DETAILS REGARDING DRAINAGE, SEE ROADWAY PLANS. 15.
FOR DETAILS REGARDING UTILITIES, SEE ROADWAY PLANS.14.
PILES AND NO ADDITIONAL PAYMENT WILL BE PROVIDED.
ALL COSTS ASSOCIATED WITH ALTERNATE DESIGNS, FABRICATION, AND INSTALLATION, SHALL BE INCIDENTAL TO THE COST OF THE PILES AND TEST 13.
DRAWINGS SHALL INCLUDE AN UPDATED FOUNDATION LAYOUT.
PROFESSIONAL ENGINEER FOR REVIEW AND APPROVAL PRIOR TO FABRICATION. IF PILE LOCATIONS OR SPACING ARE CHANGED, THE SHOP
ALTERNATIVE CONCRETE PILING DESIGNS ARE ALLOWED. SUBMIT CALCULATIONS AND SHOP DRAWINGS SIGNED AND SEALED BY A LICENSED FLORIDA12.
ENSURE THAT ACTIVE UTILITIES ARE PROPERLY MAINTAINED DURING CONSTRUCTION.
CONSTRUCTION. THE CONTRACTOR IS RESPONSIBLE FOR MAKING HIS OWN DETERMINATION TO AVOID DAMAGE. THE CONTRACTOR IS TO
THE CONTRACTOR IS TO VERIFY ALL UTILITIES AND NOTIFY ALL INVOLVED UTILITY COMPANIES PRIOR TO EXCAVATION, PILE DRIVING OR11.
FOR DETAILS REGARDING SPT SOIL BORINGS, SEE "REPORT OF BOARDWALK BORINGS" SHEETS. 10.
NO JETTING WILL BE ALLOWED WITHOUT APPROVAL FROM THE ENGINEER.9.
MONITORING IS TO BE INCLUDED IN THE CONTRACT UNIT COST FOR PAY ITEM 999-3, BOARDWALK LUMP SUM.
SPECIFICATIONS SECTION 108. THE COST OF ALL MATERIAL, LABOR, EQUIPMENT AND TIME ASSOCIATED WITH SUCH PROTECTION AND
DURING PILE DRIVING ACTIVITIES, THE CONTRACTOR IS TO PROTECT AND MONITOR EXISTING STRUCTURES IN ACCORDANCE WITH 8.
7. ALL PILES SHALL BE DYNAMICALLY MONITORED PER SPECIFICATION 455.
RESISTANCE. SET CHECK AND RE-DRIVES ARE TO BE CONDUCTED IN ACCORDANCE WITH SPECIFICATIONS SECTION 455-5.11.4.
THE CONTRACTOR IS TO ANTICIPATE SET CHECKS AND RE-DRIVES WILL BE REQUIRED TO ACHIEVE THE REQUIRED NOMINAL BEARING 6.
ELEVATIONS, AND INCLUDE PILE CUT-OFF ELEVATIONS IN SHOP DRAWINGS.
SUPERSTRUCTURE DEPTHS VARY BASED ON PROPRIETARY BOARDWALK SYSTEM USED. CONTRACTOR TO CALCULATE PILE CUT-OFF 5.
PERFORMED ON ALL PILES PER SPECIFICATIONS SECTION 455-5.14.
DRIVE TEST PILES IN THE POSITION OF A PERMANENT PILE OR AS DIRECTED BY THE ENGINEER. A DYNAMIC LOAD TEST IS TO BE 4.
3. DRIVE PILES TO THE MINIMUM TIP ELEVATION.
DRIVE PILES TO THE NOMINAL BEARING RESISTANCE IN ACCORDANCE WITH SPECIFICATIONS SECTION 455 AND AS FOLLOWS:2.
ALL PILES ARE TO BE 14" SQUARE PRESTRESSED CONCRETE IN ACCORDANCE WITH STANDARD PLANS INDEXES 455-001, 455-002 AND 455-014.1.
REF. DWG. NO.
SHEET NO.
SHEET TITLE:
PROJECT NAME:
DRAWN BY:
CHECKED BY:
DESIGNED BY:
CHECKED BY:
REVISIONS
DATE BY DESCRIPTION DATE BY DESCRIPTION
Plotted By: showlader 4/29/2026 7:53:24 AM P:\Projects21\21-0021.000_Horizon_West_Trail_Phase_1\Struct\B1-PileData01.dgn
HORIZON WEST TRAIL PHASE 1
Project: Horizon West Trail Phase 1 Boardwalk
DRMP Job No.: 21-0021.000
Description: Pile Loading and Quantities
Designed: CAB 02/21/24
Checked: JMHL 02/27/24.
BackChecked: CAB 02/28/24.
14.5' Spans (Conservative) - Sta. 2013+11.01 to Sta. 2021+49.26
Dead Loads Dimension Load/Pile (lb) Load/Pile (ton)
Bridge Picket Railing (Steel - Index 851) (plf) (SDG Table 2.2-1) 30 435
Deck Width out-to-out (ft) 15.50
Deck Thickness used for loading (in) 7.5 10535.16
Beam Area (Assumed) (SF) (considers Pile Cap load)* 2.5 5437.5
Assume 2 piles per bent
Pile Spacing (ft) (Conservative, max. spacing = 14.224') 14.5
Total per Pile 16407.66 8.2
Live Loads
Clear deck width (ft) 14
Pedestrian load (psf) 90 9135 4.6
4,000 lb front axle and 16,000 lb Rear axle of H10 design vehicle (14' apart) 20000 8068.97 4
Load Combinations
DL Load Factor (AASHTO LRFD Table 3.4.1-2) 1.25
LL Load Factor 1.75
Dead Load + Ped fully loaded (tons/pile) 18.3
Dead Load + 16,000 lb vehicle (tons/pile) 17.3
Resistance Factor from SDG Table 3.5.7-1 for PDA 0.65
Dead Load + Ped fully loaded (tons/pile) 28.2
Dead Load + 16,000 lb vehicle (tons/pile) 26.5
USE 29 Tons for Concrete Piles - 2 piles
Boring No. Ground El. Tip El Depth
B-1 119.00 88.00 31
B-2 118.70 97.00 21.7
B-3 117.40 97.00 20.4
B-4 117.70 97.00 20.7
B-5 118.20 97.00 21.2
B-6 117.80 97.00 20.8
B-7 118.30 97.00 21.3
Sta. 2013+10.25 to Sta. 2014+40 Max Embedment Depth (ft) = 31
Sta. 2014+40 to Sta. 2021+50 Max Embedment Depth (ft) = 21.7
Sta. 2013+10.25 to Sta. 2014+40 Sta. 2014+40 to Sta. 2021+50
Number of Total Piles = 20 102
Number of Test Piles = 1 5
Proposed Boardwalk Profile El. (ft.) = 121.38 121.17
Approximate Pile Cutoff El. (Conservative) (ft.) = 121.38 121.17
Individual Pile Length (ft.) = 34.00 25.00
Individual Test Pile Length (ft.) = 49.00 40.00
Production Pile Length for Quantities = 646 2425
Test Pile Length for Quantities = 49 200
Overall Production Pile Length for Quantities = 3071
Overall Test Pile Length for Quantities = 249
14" concrete piles
Pile Quantities
1 - \\EgnyteDrive\Projects\Projects21\21-0021.000_Horizon_West_Trail_Phase_1\Struct\32-08-
B1\02_Substructure\B1_Pile_Loading.xlsx
Project: Horizon West Trail Phase 1 Boardwalk
DRMP Job No.: 21-0021.000
Description: Pile Loading and Quantities
Designed: CAB 02/21/24
Checked: JMHL 02/27/24
Backchecked: CAB 02/27/24
PT Sta. 2012+76.51 121.44
PC Sta. 2021+50.00 119.98
Grade -0.00167
Sta. PGL El. (ft.) Exist. El (ft.) Diff (ft.)
2012+76.51 121.439 118.802 2.637
EB1 2013+11.51 121.381 119.139 2.242
IB 10 2014+35.07 121.174 117.805 3.370
2014+92.00 121.079 116.504 4.576
IB 16 2015+19.07 121.034 116.959 4.075
IB 17 2015+33.07 121.011 114.213 6.798
Canal 2015+37.00 121.004 113.917 7.087
IB 18 2015+47.07 120.988 115.402 5.585
2015+70.50 120.948 115.851 5.098
0.000
EB 61 2021+48.76 119.983 117.729 2.254
2021+50.00 119.981 117.768 2.213
Approximate Heights Above Existing Grade at Pile Locations
P:\Projects21\21-0021.000_Horizon_West_Trail_Phase_1\Struct\32-08-
B1\02_Substructure\B1_Pile_Loading.xlsx
| Cover |
| Table of Contents |
| Section 1 - Geotechnical Data |
| Section 2 - Pile Design |
File details come from the government source that posted it. Updated .