Place of performanceLock and Dam 25 Site, 10 Sandy Slough Road, Winfield, Missouri 63389, 63389
Opportunity summary
Source-cited
This solicitation is for the construction of a new 1,200-foot drilled shaft-founded lock at Lock 25, including guard walls. The existing 600-foot lock will remain and become an auxiliary chamber after construction. [1]
Key points
Constructing a new 1,200-foot lock and associated walls. [1]
Existing 600-foot lock will serve as an auxiliary chamber. [1]
Watch items
Plans and Navisworks model must be requested via email. [1]
Official SAM.gov noticeNESP LD25 1200 ft Lock --------- The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004).
Generated from the public notice and source-backed solicitation passages. Confirm important requirements in the cited brief and official documents.
Public-source intelligence
Source-backed opportunity brief
5 citations · 1 source
NESP LD25 1200 ft Lock --------- The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004).
The existing 600-foot lock will remain in place and once the new lock is constructed and operational, will become an auxiliary lock chamber used primarily by recreation traffic or when the 1,200 ft lock is out of service. ------------ SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION. --------- Attachment 0004 Plans (Volume 1-7) and Attachment 0005 Navisworks Federated Model must be requested via email to Contract Specialist, Whitney Dee at whitney.r.dee@usace.army.mil.
Upon request they will be sent via DoD SAFE, since the files are too large to attach within PIEE or send via email. ------ SEE UPDATE LABELED 0817 FOR FULL DETAILS OF UPCOMING PRE-PROPOSAL SITE VISIT.
Extracted from the official notice and archived solicitation files. Confirm controlling requirements in the source documents.
Notice information
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NESP LD25 1200 ft Lock --------- The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004). This contract will consist of construction of a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall. The existing 600-foot lock will remain in place and once the new lock is constructed and operational, will become an auxiliary lock chamber used primarily by recreation traffic or when the 1,200 ft lock is out of service. ------------ SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION. --------- Attachment 0004 Plans (Volume 1-7) and Attachment 0005 Navisworks Federated Model must be requested via email to Contract Specialist, Whitney Dee at whitney.r.dee@usace.army.mil. Upon request they will be sent via DoD SAFE, since the files are too large to attach within PIEE or send via email. ------ SEE UPDATE LABELED 0817 FOR FULL DETAILS OF UPCOMING PRE-PROPOSAL SITE VISIT.
What changed
Aug 17, 2026 · 1 field changed
DescriptionNESP LD25 1200 ft Lock --------- The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004). This contract will consist of construction of a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall. The existing 600-foot lock will remain in place and once the new lock is constructed and operational, will become an auxiliary lock chamber used primarily by recreation traffic or when the 1,200 ft lock is out of service. ------------ SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION. --------- Attachment 0004 Plans (Volume 1-7) and Attachment 0005 Navisworks Federated Model must be requested via email to Contract Specialist, Whitney Dee at whitney.r.dee@usace.army.mil. Upon request they will be sent via DoD SAFE, since the files are too large to attach within PIEE or send via email.NESP LD25 1200 ft Lock --------- The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004). This contract will consist of construction of a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall. The existing 600-foot lock will remain in place and once the new lock is constructed and operational, will become an auxiliary lock chamber used primarily by recreation traffic or when the 1,200 ft lock is out of service. ------------ SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION. --------- Attachment 0004 Plans (Volume 1-7) and Attachment 0005 Navisworks Federated Model must be requested via email to Contract Specialist, Whitney Dee at whitney.r.dee@usace.army.mil. Upon request they will be sent via DoD SAFE, since the files are too large to attach within PIEE or send via email. ------ SEE UPDATE LABELED 0817 FOR FULL DETAILS OF UPCOMING PRE-PROPOSAL SITE VISIT.
Jul 14, 2026 · 4 fields changed
TitlePre-Solicitation Synopsis - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)Notice typePresolicitationSolicitationResponse deadline2026-07-14T14:15:00+00:002026-11-16T16:00:00+00:00DescriptionW912P926RA004 - NESP LD25 1200 ft Lock --------- The U.S. Army Corps of Engineers (USACE), St. Louis District, has an upcoming solicitation for constructing a new 1,200 ft Lock for Lock and Dam 25. Lock and Dam 25 is located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River. SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION.NESP LD25 1200 ft Lock --------- The new lock at Lock 25 will be constructed in the downstream direction in the auxiliary miter gate bay, which has minimum provisions for an adjacent 360-foot-long lock and is referred to as Location 3 in the System Feasibility Study (September 2004). This contract will consist of construction of a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall. The existing 600-foot lock will remain in place and once the new lock is constructed and operational, will become an auxiliary lock chamber used primarily by recreation traffic or when the 1,200 ft lock is out of service. ------------ SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION. --------- Attachment 0004 Plans (Volume 1-7) and Attachment 0005 Navisworks Federated Model must be requested via email to Contract Specialist, Whitney Dee at whitney.r.dee@usace.army.mil. Upon request they will be sent via DoD SAFE, since the files are too large to attach within PIEE or send via email.
TitleCLIN STRUCTURE FOR PUBLIC FEEDBACK - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)Pre-Solicitation Synopsis - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)Notice typeSources SoughtPresolicitationResponse deadline2026-05-15T15:00:00+00:002026-07-15T15:00:00+00:00DescriptionCLIN STRUCTURE FOR PUBLIC FEEDBACK -------- The Government is seeking focused industry feedback on whether Option 4 of the Lock and Dam 25 contract should be structured as a fixed-price incentive arrangement. The anticipated structure is firm-fixed-price for the base and Options 1 through 3. This market research is limited to whether Option 4 should remain firm-fixed-price or use a fixed-price incentive successive targets (FPIS) approach. ----- Important framing for respondents. This request does not indicate that the Government has selected an incentive contract type. Responses will help assess competition, price reasonableness, administrative burden, risk allocation, and whether an incentive structure for Option 4 would improve cost, schedule, and delivery outcomes compared to firm-fixed-price pricing. The market research should determine whether Option 4 incentive pricing would reduce contingency and improve delivery outcomes, or whether firm-fixed-price for Option 4 remains simpler and more competitive. Please refer to the previously posted draft RFP for more information on the features of work included in the base and options. ---- Feedback shall be provided via email to NESPLock25Project@usace.army.mil AND whitney.r.dee@usace.army.mil with subject line CLIN STRUCTURE FEEDBACK for W912P926RA004. See attachment for full details.W912P926RA004 - NESP LD25 1200 ft Lock --------- The U.S. Army Corps of Engineers (USACE), St. Louis District, has an upcoming solicitation for constructing a new 1,200 ft Lock for Lock and Dam 25. Lock and Dam 25 is located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River. SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION.
May 8, 2026 · 4 fields changed
TitlePre-Solicitation Synopsis - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)CLIN STRUCTURE FOR PUBLIC FEEDBACK - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)Notice typePresolicitationSources SoughtResponse deadline2026-06-12T15:00:00+00:002026-05-15T15:00:00+00:00DescriptionW912P926RA004 - NESP LD25 1200 ft Lock --------- The U.S. Army Corps of Engineers (USACE), St. Louis District, has an upcoming solicitation for constructing a new 1,200 ft Lock for Lock and Dam 25. Lock and Dam 25 is located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River. SEE ATTACHMENT FOR FULL DETAILS OF UPCOMING REQUIREMENT SOLICITATION.CLIN STRUCTURE FOR PUBLIC FEEDBACK -------- The Government is seeking focused industry feedback on whether Option 4 of the Lock and Dam 25 contract should be structured as a fixed-price incentive arrangement. The anticipated structure is firm-fixed-price for the base and Options 1 through 3. This market research is limited to whether Option 4 should remain firm-fixed-price or use a fixed-price incentive successive targets (FPIS) approach. ----- Important framing for respondents. This request does not indicate that the Government has selected an incentive contract type. Responses will help assess competition, price reasonableness, administrative burden, risk allocation, and whether an incentive structure for Option 4 would improve cost, schedule, and delivery outcomes compared to firm-fixed-price pricing. The market research should determine whether Option 4 incentive pricing would reduce contingency and improve delivery outcomes, or whether firm-fixed-price for Option 4 remains simpler and more competitive. Please refer to the previously posted draft RFP for more information on the features of work included in the base and options. ---- Feedback shall be provided via email to NESPLock25Project@usace.army.mil AND whitney.r.dee@usace.army.mil with subject line CLIN STRUCTURE FEEDBACK for W912P926RA004. See attachment for full details.
May 4, 2026 · 1 field changed
TitleDRAFT Solicitation for Feedback - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)Pre-Solicitation Synopsis - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)
Notice history
Solicitation · LatestPosted Aug 17, 2026 · response deadline Nov 16, 2026, 4:00 PM UTC
SolicitationPosted Jul 14, 2026 · response deadline Nov 16, 2026, 4:00 PM UTC