Project record

Chittenden Small Lock emergency closure crane and bulkhead

Participation
Awarded
Participation checked

Awarded; crane and bulkhead acceptance specified

Participation source

Chittenden Small Lock's 2025 tender prices witnessed crane lifts, installed bulkhead seating and handover documents. Its revised test requirements determine the site resources and supplier attendance needed for commissioning.

CHITTENDEN / FIXED-PRICE SCOPE. Commissioning extends beyond supply. Before fabrication. Survey existing recesses. SR101 field verification. Before grout. Plate alignment and slot clearances. 0.015 in against specified planes. At acceptance. Installed tests and complete records. Eight hours of training / eight people. IMWO contract-method diagram / Source: USACE revised tender

IMWO original chittenden project engineering diagram based on primary requirements and records

Location

United States / Americas

Segment

Marine infrastructure

Phase

Award / Confirmed

Last checked

28 October 2026

Coverage

Related sectors

Marine infrastructure is the primary work classification. Related sectors connect this record to adjacent marine delivery and market coverage.

Subject index

Related subjects

These subject pages bring together related projects, technical articles, reports, and evidence methods.

Project anatomy

Contract scope and delivery roles

Client / authority
U.S. Army Corps of Engineers, Seattle District
Delivery parties
Redside Construction LLC
Contract route
Fixed-price procurement W912DW25R0018; award W912DW25C0032. USAspending records $4,457,500 initially obligated and two later in-scope supplemental agreements totalling $9,089.55.
Execution window
Award dated 23 September 2025. Official award detail retrieved 28 October 2026 gives 6 October 2027 as the current end date; the installed-test programme has its own witness and access dates.
Works package
Emergency closure bulkhead, crane, supports and anchoring, installation, trials, handover documents and operator training for the small lock.
Marine interfaces
Crane test geometry, underwater recess measurement, plate alignment and seating under normal operating-pool pressure connect the equipment to the existing lock.
Commercial evidence boundary
Three official transaction obligations reconcile to $4,466,589.55. Commissioning attendance and document approval are priced tasks. Invoice receipts, actual cash payment and executed amendment terms require their corresponding contract records.

Contract and delivery chain

Work packages and named roles

Published scope, named parties and supporting evidence for each workstream.

Scope

Chittenden Small Lock emergency closure crane and bulkhead

Named party
U.S. Army Corps of Engineers, Seattle District
Evidence status
Confirmed
Source position
Emergency closure bulkhead, crane, supports and anchoring, installation, trials, handover documents and operator training for the small lock. Source
Programme

Documented delivery conditions

Named party
Redside Construction LLC
Evidence status
Confirmed
Source position
Award dated 23 September 2025. Official award detail retrieved 28 October 2026 gives 6 October 2027 as the current end date; the installed-test programme has its own witness and access dates. Source

Evidence gap

What remains unverified

Outstanding evidence

  • Supplier load chart and test weights at the revised radii
  • Field recess survey, pre-grout alignment and installed watertightness results
  • Witness dates, supplier repeat attendance and staged manual approval

Related records 2

Reporting status

Project phase
Award
Evidence confidence
Confirmed
Last checked
28 October 2026
Cited sources
4

Sources and related records

Project changes Methodology Email a correction Project tracker
Source collections

Project sources 4