Northwest Corporation Inc. 6/10/2022 Change Order 2

Project: POE Combined Sewer Main Improvements Change Order No. 2 Change Order Effective Date: May 2, 2022 EXHIBIT A—DESCRIPTION OF CHANGED WORK This Change Order No. 2 adds two (2) new items and modifies two (2)existing bid items to the Contract, as described below. ADDED ITEMS New Item # 103—Encase 42"x42"x24" Tee in Concrete. Add new item entitled, "Encase 42"x42"x24"Tee in Concrete"at the agreed to Lump Sum Price of$2,485.00, resulting in a Contract increase of$2,485.00. New Item # 104—Manhole#6 Lid Replacement. Add new item entitled, "Manhole # 6 Lid Replacement" at the agreed to Lump Sum price of$5,203.00, resulting in a Contract increase of $5,203.00 MODIFIED BID ITEMS Bid Item #5—Removal of Structures and Obstructions. Modify Bid Item# 5 entitled, "Removal of Structures and Obstructions" at the Contract unit price of$1,700.00/Ton, by adding 100 Tons to the Contract,resulting in a$170,000.00 increase to the Contract price. Bid Item # 13—Special Industrial Waste. Modify Bid Item# 13 entitled, "Special Industrial Waste" at the Contract unit price of$67.50/Ton, by adding 3,750 Tons to the Contract, resulting in a$253,125.00 increase to the Contract price. JUSTIFICATION New Item # 103—Encase 42"x42"x24" Tee in Concrete. The manufacturer's recommendation was to encase this Tee in concrete and the engineer agreed, as stated in RFI # 11. New Item # 104—Manhole#6 Lid Replacement. The original manhole lid conflicted with the Flange Tee inside the structure, so a replacement lid needed to be installed that met the 100 Kip load requirement. This new item is being added to account for additional costs to purchase a new manhole lid casting. Bid Item # 5—Removal of Structures and Obstructions. This bid item exceeded plan quantity and is being modified to account for additional quantities to this bid item. Bid Item # 13—Special Industrial Waste. This bid item exceeded plan quantity and is being modified to account for additional quantities of Special Industrial Waste.