Laserfiche WebLink
1 <br /> roughly the same for the replacement wall, do not appear to have caused any bearing <br /> capacity problems to date. <br /> Recornmendations <br /> It is recommended that the existing retaining walls be replaced so as to minimize any <br /> further impact on the driveway and possibly on the house. Replacement walls can be built <br /> at the site.because the reason for the wall movement is the deterioration of the timbers <br /> and the connections between them and not because the site as a whole appears to exhibit <br /> any detrimental factors that would preclude a retaining wall from performing <br /> satisfactorily. <br /> We have analyzed the boulder wall option prepared by the contractor Mr. Sundby <br /> proposes to perform the wall replacement work. Our computations of the boulder wall <br /> depicted in his drawings reveal that the wall will be stable provided: <br /> • adequate drainage is incorporated into the design by way of free-draining backfill <br /> • backfill material is adequately compacted <br /> • sufficient quantities of geosynthetics are used to reinforce the backfill soil <br /> (preferably using a wrap-around facing) <br /> � the design height and setback of the walls (tiers) is not exceeded. <br /> Thank you for this opportunity to provide assistance on your project. If you have any <br /> questions, please call Jedediah Greenwood at (952) 832-2773 or Steve Klein at <br /> (952) 832-2809. <br /> Enclosures <br /> I hereby certify that this Report was prepared by me or under by direct <br /> supervision and that I am a duly Licensed Professional Engineer under the <br /> aws o e StatP of Minnes�ta. <br /> , <br /> � � <br /> en M. Klein <br /> Date: „��, Reg. No. 12759 <br />