The Pittsburgh Water and Sewer Authority Advertisement Invitation for Bids (IFB) Aspinwall WTP Filter Building Sodium Hypochlorite Improvements - HVAC PWSA Project No. 2017-322-101-9 Mandatory Pre-Bid Meeting Date: September 30, 2021 at 11:00 a.m. via Microsoft Teams Meeting Mandatory Site Visit: October 5, 2021 at 10:00 a.m. at the Aspinwall Water Treatment Plant Vendor Questions Due Date: October 11, 2021 by 4:00 p.m. Bid Due Date: October 18, 2021 at 2:00 p.m. PWSA is requesting bids for the construction of new sodium hypochlorite facilities in the Filter Building at the PWSA Aspinwall Water Treatment Plant. HVAC work will include furnishing and installing new HVAC system including air handling unit, condensing unit, exhaust system and ductwork. Further information regarding this IFB can be viewed and downloaded at: https://pgh2o.bonfirehub.com/opportunities/51713