Lock & Dam 7 Upper Guidewall Crib Grouting

Bid Abstract Posted Amendment 4 Posted Amendment 3 Posted Amendment 2 Posted Amendment 1 Posted Solicitation Posted The Lock and Dam 7 upper guidew all crib repair project is located upstream of La Crescent, Minnesota and consists of stabilizing the pile foundation w ith low density cellular concrete. The upper guide w all is founded on timber piles and a rock filled crib. Voids have been created in the rock filled crib due to rock w ash out and settlement. The contractor shall provide all plant labor and material to complete the contract requirements. This contract involves placing and sealing concrete forms along the upper guidew all foundation and placing low density cellular concrete to fill the voids in the rock filled crib as w ell as spaces betw een the existing crib rock. This w ork w ill be accomplished during the non-navigation season, w hich is generally betw een December and mid March. The project magnitude in terms of estimated price is betw een $1,000,000 and $5,000,000. The NAICS code for the proposed project is 238110 w ith a small business size standard of $15 million.