AC-805579_HWY-37_Computations_Structural.pdf
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This document provides details on a federal contract opportunity for landslide repair work in Puerto Rico. The Federal Highway Administration, on behalf of the Puerto Rico Highway and Transportation Authority, is seeking design-build proposals for repairs to 46 landslides, pavement washouts, and other damages along various roads in the municipality of Utuado, Puerto Rico caused by Hurricanes Irma and Maria. Work includes design and construction of earth retaining structures, drainage structures, pavement rehabilitation and reconstruction, temporary traffic control, and other miscellaneous work. The project will be completed in multiple work schedules or contract options with an estimated total value between $20-30 million. A two-phased selection process will begin with a Request for Qualifications due on June 30, 2022, followed by a Request for Proposal sent to shortlisted firms. Annual representations and certifications must be completed along with registration in the System for Award Management database. Subcontracting plans are required for contracts exceeding $750,000 or $1.5 million for construction.
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Submitted by:
Barrett Hale & Alamo, LLC
Calle Del Parque #207
San Juan, PR 00912
PO Box 6425
San Juan, PR 00914-6425
Phone 787.982.7050
Fax 787.982.7056
STRUCTURAL COMPUTATIONS FOR
SHEET PILES RETAINING WALL
ER-HWY-37
AC-802544
PR-111, Km. 44.9
MUNICIPALITY OF UTUADO
LANDSLIDE AND ROAD DAMAGE
EVALUATION AND REPAIR
RECOMMENDATIONS
EMERGENGY RELIEF PROGRAM
PUERTO RICO HIGHWAY AND
TRANSPORTATION AUTHORITY
July 3, 2019
PR-111, Km. 44.9, AC-802544
SHEET PILES RETAINING WALL
CALCULATIONS
TABLE OF CONTENTS
DESCRIPTION SHEET NO.
Title Page
Table of Contents
Design Criteria and Assumptions
Sheet Pile analysis and design
Quantity Estimate Details
End of Calculations
Design Criteria
And
Assumptions
A. OBJECTIVE
Repair to road damaged by a landslide at PR-111 Km. 44.9, the solution is to build a
Sheet Piles retaining wall, It will design base with a cantilever steel sheet piles will carry the soil lateral loads to the bottom of the soil. For this analysis and design we use the Pro Sheet program.
B. DESIGN BASES
1. Codes and Criteria
a. AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS FOR HIGHWAY
BRIDGES 5th EDITION WITH 2010.
b. P.R.H.T.A. STANDARDS SPECIFICATIONS FOR ROAD & BRIDGE
CONSTRUCTION- 2005
c. P.R.H.T.A. HIGHWAY DESIGN MANUAL
2. Analysis Assumptions
a. Select Granular Backfill Material
b. Steel AZ Sheet Piles
3. References
a. Manual Of Steel Construction
4. Design Loads
a. LIVE LOAD: ......................................... 250 psf Surcharge Pressure
d. SEISMIC LOADING DATA
e. Earthquake Acc. . Coeff.………………………... 0.38g
f. WIND LOAD………………………………… Fastest mile of wind ASCE 7-95
e. TEMPERATURE RANGE…………………… 100 F/40
Sheet Pile
Analysis And
Design
SHEET PILING SECTION INPUT
SHEET PILING SOIL INPUT
SHEET PILING PILE CHECK OUTPUT
Quantity Computations
For Sheet Pile Retaining Wall
PR-111, Km. 44.9
Computed By: F. Lazo
Date: 7/3/2019
Project No. ER-HWY-37
Project Name: AC-802544, PR-111 Km. 44.90
Item No.: 206-1
Unit: CuM
Item No.: 207-1
Unit: CuM
RESULT OF 1.1 x UNCLASIFIED EXCAVATION FOR STRUCTURE
435 x 1.1 = 479 CU. METERS
Item No.: SP615-1
Unit: SqM
SHEET PILING SPEC 615
143.66
AREA= 144 SqM
Item No.: 602-1
Unit: Lbs
REINFORCING STEEL(GRADE 60) SPEC 602
From Bar schedule is 200 LBS per meter.
43 meter X 200 Lbs = 8,600. Lbs
Item No.: 605-1
Unit: LnM
6.0 IN DIAM. PVC DRAIN PIPE SPEC 605
Lengh of the project
50 meters
Item No.: SP615-1
Unit: SqM
SHEET PILING SPEC 615
143.66
AREA= 144 SqM
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