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Northern Virginia Parks·Virginia

Addendum 3 Gateway Wetlands Park Development

Rolling / TBD close$200k – $750kInvitation for Bid
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Description

This addendum provides administrative clarifications for bidders on the Gateway Wetlands Park Development project in Fairfax, VA. It does not introduce new technical scope but reinforces key pre‑construction requirements that affect how contractors will manage the work and associated risks. • Staging area location is identified on Sheet 32 of the construction documents. • Contractors must obtain and satisfy any Right‑of‑Way (ROW) permits; NOVA Parks does not own the roadway. • No material or equipment substitutions are permitted. • Any contaminated soil, water, or hazardous material discovered during excavation will be treated as a change order, requiring separate pricing and approval. • No minority or small‑business set‑aside goals are attached to this contract.

Attached files

Contact

(703) 352‑5900

Key dates

Opened
2/27/2026
Closes
Rolling / TBD

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
236220

Budget estimate

$200,000 – $750,000

The addendum provides no budget, but a typical mid‑size municipal park development (including site grading, utilities, pathways, structures, and environmental remediation contingencies) often ranges from $2 million to $5 million in construction costs. Assuming a 10‑15 % contractor fee on the total project cost, the client could anticipate earnings between roughly $200,000 and $750,000, depending on the final scope, change‑order volume, and subcontracting strategy.

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