Conservation Halton is interested in contracting for the following works; To replace old wooden sash windows with new aluminum framed, curtain wall frame, clear anodized glazed glass with low E at the Trailhead Building at Kelso Conservation Area 5234 Kelso Road, Milton, On L9E 0C6 Bid Document Access : - Bid document preview, bid opportunity, and award notices are available on the site free of charge. Suppliers are not required to register for a bid opportunity prior to previewing unsecured bid documents. Please note, some documents may be secured and you will be required to register for the bid to download and view the documents. To obtain an unsecured version of the bid document and/or to participate in this opportunity, an annual or a per bid fee must be paid (annual fee - $418.95, per bid fee -