Unit Base Bids: The work to be performed in this improvement shall consist of the installation of concrete panel replacement, curb replacement, crack/joint repair and other appurtenances necessary for a completed project. Sealed proposals will be received by the Clerk of said District at the office of Olsson, 2111 South 67th Street, Suite 200, Omaha, Nebraska, which proposals as are received will, at that time, be publicly opened, read aloud and tabulated. The envelopes containing bids shall be marked as follows: Please make sure bidder's name and address are on said envelope. Clerk of Sanitary and Improvement District No. 513 Attn: Maegan Woolf 2111 South 67th Street, Suite 200 Omaha, NE 68106 Proposal For: "SID 513 Arbor Ridge 2024 Pavement Reconstruction" Omaha, Nebraska The work consists essentially of the following estimated quantities: APPROXIMATE QUANTITIES ITEM ITEM NO. CODE ITEM DESCRIPTION 101 105.200 Saw Cut - Full Depth 102 201.300 Embankment - Borrow 103 202.100 Subgrade Preparation 104 202.200 Unsuitable Subgrade Material 105 503.500 Construct 6" PCC Multi-use Trail 106 504.100 Construct Detectable Warning Panel 107 802.700 Install Seeding - Type A 108 803.001 Install Rolled Erosion Control, Type II 109 1002.000 Repair Pavement - Large Area - Type L65 (8-Inch) 110 1002.050 Repair Pavement - Small Area - Type L65 (8-Inch) 111 1001.000 Crack or Joint Repair - Type "A" 112 1002.303 Remove/Replace Curb Ramp 113 1108.000 Mobilization/Demobilization QUANTITY UNIT 1,341 LF 26 CY 614 SY 614 CY 780 LF 56 SF 760 SF 85 SY 407 SY 207 SY 802 LF 385 SF 1 LS All proposals must be submitted on bid forms furnished by Olsson, and must be accompanied by a bid bond or a certified check in the amount not less than 5% of Bidder's maximum bid price ( determined by adding the base bid and all alternates) made payable to the Treasurer of Sanitary Improvement District 513 as security that the bidder to whom the contract may be awarded will enter into a contract to build the improvements in accordance with this Notice to Contractor and will give a contract and maintenance bond in the amount of 100% of the total contract price, all as provided in the specifications. Bid bonds must be executed by a duly licensed corporate surety. Checks accompanying proposals not accepted shall be returned to the bidders. No bidder may withdraw his proposal for a period of sixty (60) days after date set for opening of bids. All proposals must be enclosed in an envelope, sealed and addressed to the "Clerk of Sanitary and Improvement District No. 513" and shall be marked "PROPOSAL FOR ARBOR RIDGE - 2024 PAVEMENT RECONSTRUCITON" with the bidder's name and address on said envelope. The Bid Security shall be in a separate sealed envelope attached to the Proposal envelope and shall be marked "BID SECURITY" with the project identified thereon. Proposals received after the above time shall be returned unopened to the bidder submitting the proposal. The work herein provided shall be done under written contract with the responsible bidder submitting the lowest acceptable bid in accordance with the requirements of the plans and specifications and as provided by law. Sanitary Improvement District 513 of Douglas County, Nebraska, reserves the right to reject any or all bids received and to waive informalities and irregularities. The Contractor shall begin onsite work on or before April 1st, 2023