Concrete Foundation S-26-20

The Lincoln Electric System is soliciting bids for the Concrete Foundation S-26-20 project at the 30th & A Substation in Lincoln, Nebraska, identified as Bid #100-26, with a submission deadline of August 25, 2026 at 2:00 PM CST. This procurement, conducted under a two-step unsealing process, requires all bids to be submitted exclusively through the LES Online Procurement System, with no paper copies accepted. The scope encompasses the installation of concrete foundations for the transformer replacement, including mobilization, demolition, auger-cast pile installation, oil containment structures, drainage piping, crushed rock placement, and precast fire wall pier foundations. Specific work must occur during a scheduled substation outage, with a preliminary start date of October 12, 2026, and bidders are required to propose their own completion date. All bids must adhere strictly to the incorporated Contract Documents, which include Instructions to Bidders, Performance and Labor and Material Payment Bonds, General and Special Conditions, Technical Specifications, Drawings, and all written modifications. Contractors must comply with stringent technical, legal, and administrative requirements. Concrete work must meet ACI 301 and applicable building codes, with material specifications governed by ASTM standards for reinforcing and aggregates. Reinforcing steel must be shipped with permanently attached, non-removable plastic or metal tags matching Shop Drawing mark numbers, and mechanical splices require protective plastic caps. Testing and inspection are overseen by an independent agency hired by the Owner, with compressive strength criteria requiring average three-test results to meet or exceed the 28-day design strength and no individual test falling more than 500 psi below. Core testing must average at least 85% of specified strength with no single core below 75%. Bidders must conduct an onsite inspection and are held fully responsible for understanding site conditions. Key personnel, including drilled pier installers and foremen, must have five years’ experience on similar projects, while precast engineers must be licensed Nebraska professionals. Payment will be based on actual unit quantities using unit prices listed in the proposal sheet, though pricing details are currently unspecified. Bonds, required in an amount not less than the contract price, must be submitted with the signed contract and remain in force for at least one year after final payment. The contract is subject to federal and Nebraska labor laws, including non-discrimination provisions under the Nebraska Fair Employment Practice Act and the Civil Rights Act of