for Sanitary and Improvement District 630, Douglas County, Nebraska, as per the plans and specifications for said work, at the locations shown on the detailed drawings and in the specifications now on f with the Clerk of said District and available at the office of E & A Consulting Group, which proposals as are received will, at that time, be publicly opened, read aloud and tabulated. The work consists essentially of the following estimated quantities: The amount of the engineer's estimate of the cost of said improvements (exclusive of engineering, fiscal, legal, interest, easement acquisition, and miscellaneous costs) is $1,515,000.00. 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 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 the "Clerk of Sanitary and Improvement District 630" and shall be marked "PROPOSAL FOR SANITARY SEWER - SECTION I " 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. Proposa 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. Plans, specifications, and contract documents governing the above-referenced proposal as prepared by E & A Consulting Group, Inc, 10909 Mill Valley Rd, Suite 100, Omah Nebraska, are hereby made a part of this Notice. The proposed contract shall be executed in compliance therewith.