Site Visit PP Presentation
Updated
A PDF document (3.5 MB) attached to Rio DE LA PLATA Flood Control Project, Supplemental Contract 1 Project Location: Dorado and TOA BAJA, Puerto Rico, from the Department of the Army. Due Oct 30, 2026, 4:00 PM (UTC-4).
File name: Site_Visit_PP_Presentation_W51DQV26RA002_25June2026.pdf
The full file is for paid members, or buy this bid alone.
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RIO DE LA PLATA FLOOD CONTROL
PROJECT, SUPPLEMENTAL
CONTRACT 1
DORADO AND TOA BAJA, PUERTO
RICO
PRE-PROPOSAL SITE VISIT
RIO DE LA PLATA
LOCATION: Dorado and Toa Baja, PR, about 11 miles west of Wetland
Mitigation
Disposal Area
San Juan
PROJECT IMPLEMENTATION:
DORADO BRIDGE CWSP PROJECT (Ongoing)
Dorado Bridge
East Levee
River channel widening and modifications (0.46 miles),
construction of earthen levee (0.53 miles), and scour protection
ARTICULATED CONCRETE BLOCK MAT AND
TOE KEY (Substantially Complete)
500 feet of channel scour protection and toe key revetment
West Levee
SUPPLEMENTAL CONTRACT 1
Channel
Disposal Area
Channel
East Levee
72” Water
Line
PR HWY-22
River channel widening and modifications (approx. 1.6 miles), construction of earthen levees (approx. 3.1 miles), four concrete culverts through levee, scour protection, and utility relocations
SUPPLEMENTAL CONTRACT 3
River channel widening and modifications (approx. 1.4 miles), construction of earthen levee (approx. 1.3 miles), scour protection, and utility relocations
SUPER-AQUEDUCT RELOCATION
Disposal
Area
PR HWY-2
Relocation of a 72-inch water supply aqueduct
RDLP CONTRACT 1
MAIN PROJECT FEATURES:
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1,780,000 m3 channel excavation
772,000 m3 levee fill placement
160,000 m3 scour protection stone placement
4 – concrete culvert structures (2 - west levee, 2 - east levee) Pre-cast concrete pipe (5-7 feet in diameter)
Cast-in-place concrete inlet and outlet head walls
Composite flap gates (west levee culverts)
Culverts
ADDITIONAL PROJECT FEATURES:
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Maintenance road on levee crest and within project boundaries Drainage ditches
Utility relocations
Water lines
Sewer lines
Electrical lines
Material Management Areas for excavated material
Remaining Wetland mitigation for the project
Demolition of abandoned structures
Levee
Culverts
Channel
CONTRACT 1 TYPICAL CROSS-SECTION
Channel
Centerline
East Levee
Stone Protection
Channel
Centerline
West Levee
Stone Protection
WEST LEVEE CULVERT 3A
Key Details
• 5 - 84-inch Precast Culvert
• Flap Gates
• Cast-in-place Headwalls
WEST LEVEE CULVERT 11
Key Details
• 2 - 72-inch Precast Culvert
• Flap Gates
• Cast-in-place Headwalls
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