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Reclamation District 1601 Twitchell Island - Three Mile Slough Emergency Repair

Active
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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Reclamation District 1601 is initiating an emergency repair project at Three Mile Slough on Twitchell Island in Sacramento County, California. The project is designed to address a large sinkhole in the levee that is expanding as water movement carries away sediment. To protect life and property, the repair process will involve the excavation, stabilization, and compaction of new levee material. The project is classified as a forecast under NAICS code 237990 and has been granted a Notice of Exemption under California Public Resources Code sections 21080(b)(4) and 15269(b)(c) due to its status as a declared emergency. Tessa Marlow, the Environmental Manager, serves as the primary point of contact for this effort.

General Info

Urgent levee repair on Twitchell Island due to expanding sinkhole, requiring excavation and stabilization for flood protection.

Agency

California → Reclamation District 1601

NAICS

237990 - Other Heavy and Civil Engineering ConstructionView NAICS

Place of Performance

CA

Set-Aside

NONE

Documents

(1)

NOE Three-Mile Slough Emergency Repair

PDFnotice-of-exemption

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Timeline

Posted

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Organization & Contact Information

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AgencyCalifornia → Reclamation District 1601
Contacts1 person available
OfficeN/A
Organization / Agency
California → Reclamation District 1601
Office AddressN/A
Contacts
Tessa MarlowEnvironmental Manager

Full Description

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Repair large sinkhole that appeared in the levee. Water moving through the levee is carrying sediment, the sinkhole is getting larger. Repair will require excavation, stabilization, and compaction of new levee material.

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Same NAICS industry code

NAICS: 237990
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Healy Tibbitts Builders, Inc.

POSTED

about 4 hours ago

DEADLINE

in 14 days
View Details
NAICS: 237990
New
SLED
Reclamation District No. 1600 DMP Drainage Pipe Replacement ProjectReclamation District 1600 is undertaking the Deferred Maintenance Program Drainage Pipe Replacement Project in Yolo County, California. The project consists of the in-kind replacement of a single 48-inch gravity drainage pipe located southeast of Knights Landing along the Tule Canal at Levee Mile 0.36. The primary objective is to maintain the existing pipe size, function, and alignment to ensure the continued conveyance of water from agricultural lands east of Woodland to the Tule Canal within the Yolo Bypass. Construction is scheduled to begin on August 3, 2026, with a phased timeline including mobilization, site preparation, excavation and demolition, pipe installation, levee restoration, and final demobilization. The project has undergone a comprehensive environmental review under the California Environmental Quality Act, resulting in a Mitigated Negative Declaration. This assessment determined that there are no significant unmitigable environmental impacts, provided that specific avoidance and minimization measures are implemented. Key requirements for the contractor include mandatory worker environmental awareness training, the installation of temporary exclusion fencing to protect aquatic habitats, the execution of a Spill Prevention, Containment, and Countermeasure Plan, and adherence to strict in-water work windows. Additionally, the contractor must utilize vibratory pile drivers for cofferdams and maintain daily inspections of silt curtains to control turbidity in compliance with Basin Plan standards and Cal-OSHA safety requirements.
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POSTED

about 13 hours ago

DEADLINE

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View Details

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