Geotechnical Report Addendum - AC-905579_HWY-483.pdf
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- Attached to
- Landslide Repairs in Morovis, Puerto Rico
- Solicitation number
- 693C73-24-B-000015
About this file
This document is an addendum to a geotechnical investigation report for the ER-HWY-483 project at PR-155, Km. 35.0 in Morovis, Puerto Rico. The addendum provides responses to requirements from the designer, including a global stability analysis of the provided cross-section. The analysis showed that the Factors of Safety for static and pseudostatic conditions were higher than the required 1.5 and 1.125, respectively, per PRHTA requirements. A traffic load of approximately 12 kPA was used in the analysis, and settlements were determined to be negligible. This addendum was prepared by MGV Geotechnical Group, PSC to support the ER-HWY-483 project.
The related federal contract opportunity is for Landslide Repairs in Morovis, Puerto Rico, Solicitation Number 693C73-24-B-000015. The project consists of repairing landslides and washouts caused by Hurricanes Irma and Maria on PR-155 and PR-159. The work includes various construction activities such as embankment reconstruction, wall construction, drainage system installation, paving, and other miscellaneous work. The estimated cost of the project is between $10,000,000 and $15,000,000. Bid documents are expected to be issued on or about July 23, 2024, and the bid due date and location will be specified in the solicitation. The contract opportunity is set aside for certified Small Business Concerns only.
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Text version
PO Box 2636 Vega Baja, PR 00694-2636Tel. 787-354-5646 info@mgvgeo.com
April 17, 2023
Carlos I. Baez Dotel, PE Integra Design Group, PSC
RE: Addendum No. 2 to Geotechnical Investigation Report For ER-HWY-483 At PR-155, Km. 35.0, Morovis, Puerto Rico (Job NO. 1783-483 with date of November 15, 2018)
Dear Eng. Baez Dotel:
This addendum to Geotechnical Report of reference provides responses for requirements from Eng. Yuan Calderón by means of email sent to us on March 27, 2023.
A global stability analysis of the provided cross section by the Designer was performed. Factors of Safety for the Static and Pseudostatic conditions for the Final Alternative selected by the Designer shall be higher than 1.5 and 1.125, respectively, as per PRHTA requirements. Graphic results are shown below. Resulting Factors of Safety were higher than required. A traffic load of about 12 kPA was used in analysis. Settlements may be neglected.
We thank you for the opportunity given to help in this project and hope our services were of your satisfaction. Should there be any doubts, please do not hesitate to call the subscriber.
Cordially, MGV Geotechnical Group, PSC
Marcus García Vincenty, P.E., M.E.C.E. Lic. #15928 Geotechnical Engineer – MGV Geotechnical Group, PSC
Project No. 1783-483
Addendum No.2 to Geotechnical Report ER-HWY-483 At PR-155, Km 35
Morovis, Puerto Rico
Project No. 1783-483
Addendum No.2 to Geotechnical Report ER-HWY-483 At PR-155, Km 35
Morovis, Puerto Rico
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