03-21-1988 Planning Packet - Laserfiche WebLink

Home Browse Search

bout repairing damage cau^d i additional concerns on a site- B shoreline. Stabilize the shorn or structural support should be jpportBd by both tio^backs and t and ground water seepage, aining walls and at the toes of au questions. We would be happy r, if you see the need. . Minnesota 55343 Telephone (612) 544-8572 ttw>n*p*w Cewwiv»aoft Dtstrict ■ ' r Repairing Eroskm Damage SopeRestc»^^ Eroded arew can be restored by regradir^ eids^ rrurteri^. Ctoan din fiB should be used where additional material Is needed. The regraded surface must have a urtform slope with a level ooss-sectton; it must not have any depresstons or bumps. The fffl should be covered with four inches erf loamy topsoa tor the vegetative cover. Where posstole. eroded areas should be regraded to slopes no greater than 1 on 2 (50% grade). This can be achieved by extending the regraded slope at the toe, ttia stop# b^k at the cxest, or construettog a letaining v/all at the top of Six-Inch diameter dr^s must be kistafled along the toe of all affected elopes and behuid afl retaining walls. Corrugated polyethylene cgrToratfid tubing Is recommended. Drains shall be laid to a neat line and grad into undisturbed soil. There should be no void spaces betv walls of the trench after backfilling. Turn both ends to pro' outlets, drains must be three feet below the fin^ graded s must be placed over an outlets. liaTcBnl Retaining walls can be used to shorten the regraded s should be placed at the top of the slope and not exceed fiv drains must be installed behind all retaining walls using sp Drains should be placed at the same elevation as the botton four feet behind the wall where possible. An engineer m design of retaining walls needed to protect structures. 205 Ridge Pta^a B'd» 12450 Wayzata Boulevard Minnetont^linnesote^ ^ . .1,: :V-- m * • .V• ‘ • 7 •••• V • •itilWa