07/08/2020 P&Z Packet - Laserfiche WebLink

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Ms. Katie Larsen 7/012020 Page 2 adianent e r This ,• all r n he rerneved with fi its ire de„eleprnent to the north Retaining Wall #4 removed and grading revised tomaintain all grad'n on_site De eln r IooLip ORW the poss'h'I'fii of removing walls 7 Q_ 3 'f adjaGGRt GWRGF will allew slope grad'Rg ORte their property, Retaipipg ,.roll 91 eliminated due to new lift s+at'nn Inna+'n Noted. 3 Addi+ienal +epegraphin infnr.v,ati en is needed (minirp, Fn 100' hevnnd reliminer.. plot he, Rdar..,G'udipg at+he extensions of Red Oak Lane, Weritage AyeF;ue'William l a -) a I idor ddfad to eis+inn tope to shoalthis a G irren+ page loveut does fan+ show 100' hevnnd the north limit of the n eot site Grading none O FpvORPOI +n shnw 100' north of n er+ site 4. Retaining walls #2 and #3 (now #1 and #2) exceed maximum allowed height. All retaining walls over 4-ft tall require structural design. Noted. These walls will be designed by a structural engineer and plans provided by the contractor. How will the retaining walls be maintained in the future? Developer checking with adjacent owner to see if these walls can be removed and a temporary grading easement can be acquired. If the walls need to be installed, the walls will be maintained by the homeowner. Currently shown without walls assuming easement can be acquired. 5. Additional rear and drainage and L itilit„ easement required en Let 14 G I A-ts r en s e n rx dra0Rage from a di a ee p+ I9+ d re a A s 0Ato I A+14.0 GFadinngTFeyised�M See AerA en+ 10 nder the Stormwater Management sector Seen fan+ for 10 hfalAw 6 10 feet side yard drainage and ,+'lity easement requi red en Let 101 Revised 7. 10 feet side yard drainage and 61+ill+„ ea en+ requi red en I e+s1 GQ and 159 Rs fad INlow Ints 197 & 158side yard drainage and utility easement added 8. ° requiremeRt at the feIIGWiRg IGGatiensm rear let line of lets 116, 117,119, 121. Slopes revised I -not numbers have changed, but grading in the areas menflont9d h-As been updated. 9. Grade hreak ek_QVa+iops p faded OR I ots 124 139 1 FF Spot elevations added at right of way for ro and s role slnpfa ra+inn I At n rnhers have changed but grading has hoop updated. 10. The development is a two-phase development. It is anticipated that grading forthe entire site and for the stormwater ponds will be completed at once and not in two phases. Noted. 11. & 8 Of 9IGGk 6) ntfanonge a s detail added to de+ail sheet 17 • Stormwater Management The stormwater on the site flows to three different locations from the site. The majority of the site drains to an existing private ditch/wetland area to the north of the site. A small portion at the south of the site drains through an existing culvert along Birch St (CSAH 34). The western portion of the site drains to the northwest to an existing private ditch. The surface water will flow through three new ponds. Pond 200 located in the middle of the site will pick up surface water from the south portion of the site and direct it towards Pond 100. Pond 100 will pick up surface water from the northwest portion of the site and discharge to the west to an existing private ditch. Pond 400 will receive the remaining surface water and discharge to an existing ditch to the north. Nadeau Acres Engineering Review