Demolition, site work and renovation of a civil project in Seattle, Washington. Completed plans call for site work for a water / sewer project; for the renovation of a water / sewer project; and for the demolition of a water / sewer project.

Contract Award Date: Aug 19, 2022 Contract Award Number: W912DW22C0006 Task/Delivery Order Number: Contractor Awarded Unique Entity ID: UJGKNVYG6UZ3 Contractor Awarded Name: Manson Construction Co. Contractor Awarded Address: Seattle, WA 98134-2409 USA Base and All Options Value (Total Contract Value): $17995000.00 Contract Award: W912DW22C0006 for Lake Washinqton Ship Canal (LWSC) Larqe Lock Center Gate Replacement, Seattle WA The U.S. Army Corps of Engineers (USACE), Northwest Division, Seattle District, requires replacement of the Lake Washington Ship Canal (LWSC) Large Lock Center Gates (LLCG) and incidental related work. The work involved in this project includes, but are not limited to, fabricating, testing, painting, delivering, and installing new miter gate assemblies, removing the existing decommissioned miter gates, disconnecting the existing gates from the operating machinery, reconnection of the operating machinery to the new miter gates, commissioning of the miter gates, and concrete work associated with the miter gate installation. The new miter gate assemblies are primarily a welded structure consisting of 2 leafs, measuring approximately 46 feet wide by 60 feet tall, with each leaf weighing approximately 180,000 pounds without silt/debris. The project will include replacement of the lock chamber appurtenances which affect the miter gate installation, which includes the concrete embedded wall quoin, concrete embedded pintle base, pintle ball/bushing, and anchorage bars. The commissioning of the miter gates will not only include the final installation of the miter gates, but also how the gate interfaces with the embedded wall quoin, miter seals, pintle assemblies, and existing operating machinery and sensors which control gate movement. The project will also include the installation of new concrete embedded connection castings and replacement of the HDPE seal located on the miter gate sill near the bottom of the lock chamber. The magnitude of construction is estimated to be between $10,000,000 and $15,000,000. The electronic version of the Solicitation can be access via PIEE Solicitation Module (link below) Five (5) workdays before the site visit, please submit name, title, and phone number of personnel attending the site visit to the Project Manager, Stephanie McKenna, at stephanie.a.mckenna@usace.army.mil Participants shall bring government issued identification and provide their own PPE, sanitize their hands when they get to the project, keep six-foot social distance, use a face mask, and not attend if they feel sick or have a COVID symptom. Required PPE for the site visit, per OSHA guidelines, includes the following: closed toed shoes, a hard hat, and a high visibility vest. If you have any questions or concerns, please feel free to contact the Project Manager via email at stephanie.a.mckenna@usace.army.mil DATE: April 7, 2022 TIME: 10:00 AM Pacific Time LOCATION: Hiram M. Chittenden Locks - Nursery area entrance (Lake Washington Ship Canal (LWSC)) 3015 NW 54th St Seattle, WA 98107 NOTE: The large lock will not be dewatered, so the lower portion of the gate will be submerged to an elevation equal to the low water elevation occurring on that day. Additionally, there are no provisions to enter the lock chamber by boat, so the center miter gate can only be viewed while standing at the top of the lock wall elevation. On site LWSC Point of Contact (POC): David Chapman. Phone Number: (206) 218- 5732. The Contractor shall be required to (a) commence work under this contract within 10 calendar days after the date the Contractor receives the notice to proceed, (b) prosecute the work diligently, and (c) complete the entire work ready for use not later than 1460 calendar days after the notice to proceed. The time stated for completion shall include final cleanup of the premises. For proposal purposes only, the Offeror should use the arbitrary, non-binding Notice to Proceed (NTP) date of 01 September 2022. Consistent with the Project Schedule Specification the Offeror's DRAFT schedule should clearly delineate *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.