Conewago Creek Phase IV Floodplain Restoration

This sealed bid procurement by Londonderry Township seeks a contractor for the Conewago Creek Phase IV Floodplain Restoration project located in Elizabethtown within Dauphin and Lancaster Counties, Pennsylvania. The project scope encompasses selective site demolition, surveying, erosion and sediment controls, flow diversion, and removal of approximately 19,000 cubic yards of legacy sediment to restore approximately 3.5 acres of integrated wetland, stream, and floodplain areas along 1,200 linear feet of Conewago Creek and 360 linear feet of an unnamed tributary. Deliverables include installation of 935 linear feet of log sills, 81 woody debris structures, rock underlayment, native riparian buffer vegetation planting, and temporary and permanent seeding with specific elevation targets based on NAVD 88 vertical datum. The contractor must demonstrate minimum experience with at least two similar stream restoration, legacy sediment removal, or floodplain reconnection projects completed within the past five years and comply with prevailing wage obligations under the Pennsylvania Prevailing Wage Act, the Public Works Employment Verification Act (Act 127 of 2012), Build America Buy America Act provisions, and federal OMB Uniform Guidance. A mandatory pre-bid meeting is scheduled for February 9, 2026 at 12:30 pm at Londonderry Township building, with sealed bids due by 12:00 pm on February 23, 2026 via PennBid; substantial completion is required by August 28, 2026, and final completion by November 20, 2026. Contract award is anticipated March 5, 2026, and will be made to the lowest responsible and responsive bidder, with liquidated damages assessed at $500 per day for late completion.

Bid security equal to 10 percent of the base bid is required in the form of a certified check, cashier's check, or performance bond from a corporate surety acceptable to the owner, and the contractor must provide performance and payment bonds equal to 100 percent of the contract price. The project is partially funded by the National Fish and Wildlife Foundation Small Watershed Grant, Susquehanna River Basin Commission Consumptive Use Mitigation grant, and the Commonwealth Financing Authority Local Share Account Statewide grant, which impose federal and state compliance requirements including nondiscrimination provisions. No specific set-aside designations for disadvantaged enterprises are identified in the procurement documents. Payment will be made monthly based on applications for payment with retainage at 10 percent until 50 percent completion, then reduced to 5 percent, and 2 percent upon substantial completion. The contract includes additive alternates for Vegetation Establishment and Temporary Stockpile Area Grading and a deductive alternate for Permanent Stockpile, though specific budget ranges and award values are not disclosed in the available documentation. All work must comply with local, state, and federal regulations, permit conditions, and require final project closeout approval from the Dauphin County Conservation District and DEP Central Office.