Sealed bids for the construction of Harrisburg South Middle School Theatre Addition project, located at 600 S. Cliff Avenue, in Harrisburg, South Dakota 57032 Location: Community Center Conference Room at the Harrisburg School District Administration Offices, 200 Willow Street, Harrisburg, South Dakota 57032. (Enter from southeast community center entrance). Plans and Specifications will be made available to all Prime Bidders and major subcontractors through CADD Engineering Supply (CES), 615 South Lyons Avenue, Suite 100, Sioux Falls, SD; Prime Bidders and major subcontractors should contact Derek Gors at (605) 332-2550 or print@cescolor.com. Plans and Specifications may be examined at the office of the architect, Architecture Incorporated, 415 South Main Ave., Sioux Falls, South Dakota, and with the Owner at the Harrisburg School District Administration Offices, 200 Willow Street, Harrisburg, South Dakota Addenda will be uploaded to the Architecture Incorporated as they are issued. All bidders are encouraged to check the website regularly for the most current addendum information. Each bidder must deposit bid security with the bid. Such security shall be based upon the amount of the base bid and shall consist of a Bid Bond for ten percent (10%) of the amount or a certified check, cashiers check or draft in the amount of five percent (5%) of the base bid and drawn on a State or National Bank. Such Bid Bond shall be issued by a surety authorized to do business in the state of South Dakota and payable to the Owner. The Bid Bond shall guarantee the execution of the contract by the successful bidder and shall be held by the Owner until said contract is executed. No bidder may withdraw a bid for 30 days following the bid opening without a written request explaining the cause of the withdrawal and without written consent of the Owner after reviewing the cause. The Owner reserves the right to reject any and all bids or parts hereof, and to waive any irregularities of any bid. The Owner also reserves the right to award the Contract to the lowest responsible bidder as may be determined by the Owner