FY27 Deep Draft SDtB Scope of Work - Draft R1

SCOPE OF WORK FOR

GALVESTON DISTRICT, TEXAS

SCOPE DREDGE TO BUDGET

FY27 DEEP DRAFT MAINTENANCE DREDGING

Introduction
The U.S. Army Corps of Engineers, Enterprise Dredge Delivery Center is planning to issue a firm fixed price (FFP), Scope-Dredge-to-Budget (SDtB) contract to provide maintenance dredging for Galveston District channels with disposal of material at upland Dredged Material Placement Areas (DMPA), Ocean Dredged Material Disposal Sites (ODMDS), beneficial use site locations and ocean disposal within the Galveston District. The project will encompass the Galveston Harbor and Channel, Houston Ship Channel, Texas City Ship Channel, Freeport Harbor Channel, Matagorda Ship Channel, Corpus Christi Ship Channel, and the Brazos Island Harbor Channel, located in Texas. The project will be solicited as unrestricted.

Contract Breakdown
Galveston Harbor & Channel
Work for the Galveston Harbor & Channel (GHC) will require a hopper dredge(s) to perform maintenance dredging up to a depth of -48 ft MLLW, with an additional requirement for increased advanced maintenance (new work) dredging to a depth of -51 ft MLLW within a limited portion of the project footprint. The dredge(s) must have the capability to perform this work and transport the dredged sediment up to 24 miles to the designated placement area. Dredged material shall be placed in the Galveston Ocean Dredged Material Disposal Site (ODMDS), with potential Beneficial Use placement on Galveston Island.

Houston Ship Channel
Work for the Houston Ship Channel (HSC) for maintenance dredging will require a hopper and pipeline/mechanical dredge(s). The dredge(s) must have the capability to dredge maintenance material up to a depth of -54.5 ft MLLW and to transport the dredged sediment to a designated Dredged Material Placement Area (DMPA). Dredged material shall be placed in multiple DMPAs depending on the reach to be dredged and DMPA availability. Potential DMPAs include multiple upland placement areas along the

HSC and the Galveston Ocean Dredged Material Disposal Site (ODMDS). The transport distance to the designated placement areas varies significantly, ranging from direct, local placement to a few miles for the upland placement areas, and up to 38 miles for ocean disposal.

Texas City Ship Channel
Work for the Texas City Ship Channel (TCSC) for maintenance dredging will require a pipeline or hopper dredge(s). The dredge(s) must have the capability to dredge maintenance material up to a depth of -48 ft MLLW, with an additional requirement for