Marsteller Middle School HVAC Modernization + Additions

Prince William County Schools is requesting bids on HVAC modernization, geothermal well system installation, and building additions totaling approximately 25,000 square feet at Marsteller Middle School under IFB #S-LD-26619, with bids due August 20, 2026 at 2:00 p.m. via the Bonfire portal and a mandatory pre-bid conference on July 22 at 10:00 a.m. at the school site. Prevailing wage requirements apply, with rates established by the Virginia Department of Labor and Industry effective as of award, ranging from $13.28 per hour for common laborers to $59.50 per hour for electricians plus fringe benefits.

The scope comprises complete HVAC modernization including geothermal well system installation; construction of approximately 10,191 square feet of classroom additions and approximately 14,725 square feet of space housing classrooms, administrative areas, and a secure vestibule; selective demolition to expand cafeteria, kitchen, and circulation areas; and building-wide upgrades including low-voltage systems, ceilings, and lighting replacement. Site improvements include ADA upgrades, parking expansion, vehicular circulation and bus loop reconfiguration, and stormwater management. Work encompasses masonry, concrete, mechanical, electrical, plumbing, and systems demolition and improvements. The contractor must provide all equipment and furnishings indicated in the contract documents unless otherwise noted.

General contractor attendance at the pre-bid conference is a prerequisite for bid submission, evidenced by signature on the attendance roster. Bidders must obtain a complete set of bidding documents from MaGinnis + Del Ninno Architects at least ten days prior to bid opening by contacting kjesada@mdnarch.com. All bidders must acknowledge all addenda issued through the Bonfire Portal to avoid declaration of non-responsive bids. Questions should be directed to Lesley Dean, Senior Buyer, at DeanLM@pwcs.edu or 703-791-8740.