Brazos Valley Ionwave #26-0021 Addendum 2

SJRA Structure 2 Replacement and South Canal Improvements

The San Jacinto River Authority is seeking a civil construction contractor to replace Structure 2 and improve 150 feet of the South Canal in its Highlands Division. - Government buyer: San Jacinto River Authority (SJRA), Highlands Division; buyer contact: Grady Garrow, Senior Buyer. Project location: Highlands, Harris County, Texas. - Scope: Replace the existing Structure 2 and improve 150 feet of the South Canal, including removal and disposal of the existing structure, canal bypass work, concrete construction, gates, excavation, and site restoration. - Products and quantities: 150 tons of 3-inch-by-5-inch bottom-stabilization rock; one 48-inch FRPMP installation; one set of concrete headwalls and wingwalls; one concrete South Canal bypass lining; one broken-concrete riprap installation with geotextile; one set of staff gauges, PVC conduit, and pull boxes; two slide gates; four stop-log frames; one set of handrails and gates; and 280 square yards of recycled crushed concrete base (RCCB). No manufacturer part numbers are listed. - Services: Mobilization and construction survey; bonding; canal, surface-water, and groundwater management with a temporary canal bypass and levee restoration; erosion control under SWPPP; trench safety; site access and traffic control; final grading and hydromulching; removal and disposal of Structure 2; and 200 units of additional excavation, material disposal, and cement-stabilized sand fill below the specified structure depth. - Notable requirements: The work involves maintaining water management during construction, restoring the levee, and providing specified concrete, rock, pipe, gate, and base-material work. The engineer’s probable construction cost is $1,304,000. - OEMs and named organizations: No OEMs or product vendors are identified. AEC and Stantec are named in connection with geotechnical/seepage and environmental reports, respectively.

Description

The San Jacinto River Authority is requesting Competitive Sealed Proposals for the Structure 2 and South Canal Bypass Improvements Project in Harris County, Texas. The work includes replacing Structure 2 and improving 150 feet of the South Canal in the Highlands Division. The stated Engineer’s Opinion of Probable Construction Cost is $1,304,000. Proposals must be submitted through the Brazos Valley/Ionwave module; emailed proposals are not accepted.

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