Cape COD NS - nellie road combined septic system

The National Park Service, Contracting Operations East, New England Major Acquisition Buying Office, is seeking construction services to combine septic systems serving multiple residential dwellings at Cape Cod National Seashore in Wellfleet, Massachusetts. The scope of work includes furnishing all labor, supervision, materials, tools, supplies, transportation, licenses, permits, personal protective equipment, and professional services necessary to design and install a unified wastewater treatment system replacing existing individual systems. Evaluation will use a best-value tradeoff approach with four primary factors weighted equally and approximately equal to price: Technical Capability (addressing technical approach, schedule, project experience, and self-performance), Management Experience and Project Organization, Past Performance, and Price. Proposals are due by May 1, 2026, at 10:00 a.m. local time via email, with an organized site visit held on April 16, 2026, at 10:00 a.m. at 360 Nellie Road, Wellfleet, MA. The solicitation was posted on April 2, 2026, and Amendment 0001 was issued on April 22, 2026, providing responses to contractor questions and pre-bid site visit attendee documentation.

This procurement is designated as a Total Small Business set-aside. The estimated contract magnitude ranges from $250,000 to $500,000, covering base work to combine the septic system for Dwellings 2 and 3 at 360 Nellie Road, with three optional line items to include additional dwellings and site restoration work. The project involves serving four residential dwellings with a total design flow of 1,320 gallons per day and requires installation of three 2,000-gallon septic tanks, distribution systems, and leachfield trenches totaling 1,890 square feet of treatment area. Contractors must commence work within 14 calendar days of receiving notice to proceed and complete all work by February 28, 2027, with strict performance and payment bonds required at 100 percent of the original contract price. Davis-Bacon prevailing wage requirements apply, with hourly rates ranging from approximately $27 to $70 depending on trade classification and county location, plus fringe benefits ranging from 27.90 to 40.86 percent of base wages. No incumbent contractors are identified in the solicitation materials.