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Home My WebLink About5A Enclave at Clearly Lake 2nd Add reportPR-1Q� Fes+ U 4646 Dakota Street SE Prior Lake, MN 55372 PLANNING COMMISSION AGENDA REPORT MEETING DATE: JANUARY 6, 2014 AGENDA #: 5A PREPARED BY: JEFF MATZKE, PLANNER AGENDA ITEM: CONSIDER A REQUEST FOR APPROVAL OF A PRELIMINARY PLAT TO BE KNOWN AS THE ENCLAVE AT CLEARY LAKE 2"D ADDITION (CONTINUED) DISCUSSION: Introduction Ryland Homes Inc. has applied for approval of a Preliminary Plat to be known as the Enclave at Cleary Lake 2nd Addition to be developed as a 64 unit, low density residential subdivision. This site is located north of 1801h Street, west of CSAH 87 (Revere Way), east of Jackson Circle. History On December 16, 2013 the Plannig Commission held a public hearing regarding the preliminary plat request. With the exception of discussion with the potential developer, no public comments were made during the public hearing. The Planning Commission, however, chose to continue discussion of the preliminary plat proposal and directed the developer to addressed issues identified by City Staff related to site engineering and storm water management. In 2006, the City Council approved a plat for the first phase of the Enclave at Cleary Lake residential development which included 53 single family residential housing units, all of which are currently constructed. The original developer, Pulte Homes, did not continue with the development of the 2nd phase at that time. Current Circumstances The current proposal calls for a slight redesign of the 64 unit single-family residential home lots in the second phase. The redesign involves movement of the Cleary Trail roadway slightly to the north in order to allow a trail corridor along the north side of 1801h Street; this street is to be paved. The following paragraphs outline the physical characteristics of the existing site, the Comprehensive Plan and zoning designations, and a description of some of the specifics of the site. PHYSICAL SITE CHARACTERISTICS: Total Site Area: The total site area consists of 28.9 acres. Topography: This site has varied topography, with elevations ranging from 950' MSL near the northwest corner of the site to 980' MSL near the southern boundary along 1801h Street. Phone 952.447.9800 / Fax 952.447.4245 / www.cityofpriorlake.com Vegetation: The natural vegetation on the site was cleared after the original preliminary plat was approved for the area. All replacement trees for the project were installed per the Tree Preservation requirements of the Zoning Ordinance previously. Wetlands: The project site contains a wetland near the southwestern corner of the site. The wetland delineation was approved for this site and all required mitigation was completed during Phase 1 of the development. Access: Access to the site is from Trailhead Lane and Cleary Trail to the north and from 1801h Street to the south. 2030 Comprehensive Plan Designation: This property is designated for Low Density Residential uses on the 2030 Comprehensive Plan Land Use Map. Zoning: The site is presently zoned R-1 Low Density Residential. The density for the proposed plat is 2.9 units per acre. PROPOSED PLAN Lots: The plan calls for 64 lots to be constructed with a variety of single family housing styles. The lot sizes range in size from 12,040 square feet to 25,839 square feet. According to the developer's narrative letter, Ryland Homes proposes to offer seven different residential housing plans which are conceptually planned to range in size from 2,280 -3,380 above ground sq. ft. The units propose to include a 3 -car garage at a minimum. Setbacks: The typical residential required setbacks of 25 foot front and rear, 10 foot side yards, and 30 foot wetland are proposed throughout the development with the exception of the two lots directly adjacent to Outlot D which propose a 5 foot side yard setback next to the publicly dedicated utility outlot. Parks / Trails: 4.2 acres of neighborhood public parkland were dedicated in 2006 with the 1st phase of the development. The City plans to complete all improvements in the public park in 2015. Additional parkland dedication requirements will be satisfied through a cash payment into the park fund. Sidewalks will be placed along Cleary Trail and Trailhead Lane as well as a trail corridor along the north side of 180th Street. Streets: Four local streets are included within the development — Cleary Trail, Trailhead Lane, Bluestem Court, and Marsh Court. All streets are proposed to be public streets and are designed to meet the City's standard street width and design. Sanitary Sewer / Water Mains: Sanitary sewer and water mains are currently in place along Trailhead Lane. Proposed utility mains running under the public streets throughout the development will connect to these existing utilities. Storm Water/ Hydrology: Storm water will be directed toward the pond basin at the northwest corner of the development and into the storm ditch along the north side of 1801h Street. Since the previous review of the storm water plans, key concerns by City Staff have been addressed. Landscape Plan: The Subdivision Ordinance requires two front yard subdivision trees per lot (4 for corner lots). The plat proposes to follow a landscape plan design which satisfies this Ordinance requirement. Fees and Assessments: This development will be subject to the standard development fees including park dedication, trunk street and utility service charges, and utility connection charges. ISSUES: Ryland Homes has met with City staff previously to discuss issues related to the design of the preliminary plat. As noted in the attached staff memorandum from the Engineering / Public Works Deparment, the developer must refine the plans to assure compliance with the Public Work Design Manual requirements and City Zoning Ordinance, however, it does not appear that these comments will drastically affect the design of the plat. Therefore, City Staff recommends approval of the Preliminary Plat subject to the following conditions: 1. Obtain the required permits from other state or local agencies prior to any work on the site. 2. Revise the plans to address all of the comments in the memorandum from the City Engineering Department dated January 3, 2013. 3. The Developer shall reconstruct 1801h Street from Mushtown Road to Revere Way (Hwy 83) with hard surface pavement. The City received the complete application for this request on November 19, 2013. The City has notified the applicant that the due to required review by other governmental agencies, and the required time for a City public hearing review, it is necessary to extend this review period to 120 days until March 19, 2014. ALTERNATIVES: The Planning Commission has the following alternatives: 1. Recommend approval of the Preliminary Plat subject to conditions identified by the Planning Commission. 2. Table this item to another Planning Commission meeting and provide the developer with direction on the issues that have been discussed. 3. Recommend denial of the request. RECOMMENDED 1. Recommend approval of the Preliminary Plat subject to conditions identified MOTIONS: by the Planning Commission. EXHIBITS: 1. Location Map 2. Revised Development Plans dated 12-20-13 3. Engineering/Public Works Dept. Memorandum dated 1-3-13 Enclave at Cleary Lake 2nd Addition Preliminary Plat LOCATION MAP c , i[ tq, f 4 � - a rz s 1 ' a SUBJECT PROPERTY 0 315 630 N 1,260 Feet JT 40 y► j 3 y r THE ENC"1/E PR o5; o1"oA eER A T CLAFARY 2ND AAV/T/ON z CAV of Prior Labe - EE Scotf C01Ir71y, MZJ7J7es0fa CITY PROJECT NO: DEV -2013-0014 0 11 � SITE n..�W up..a iw. 'Fryer c -n - LOCATION [IAP No SAFI, INDEX PRE PLAT C-1) COVERSHEETISITE PLAN C -Z) PRELIMINARY PLAIT C-3) UTILITY PLAN C-4) EXISTING CONDITIONS C-5) LANDSCAPE PLAN GRADING AND EROSION CG -1.0) GRADING PLAN -OVERALL CG -1. 1) GRADING PLAN 50 SCALE CG -1.2) GRADING PLAN -50 SCALE CC -1.3) GRADING PLAN 50 SCALE CE-/) EROSION CONTROL PLAN CE -Z) EROSION CONTROL DETAILS DEVELOPER: RYLAND HOMES — TWIN CITIES 7599 A„9rom Dr've EdenPro r, M ,,,sato 55344 Pho..1 (952) 229 6000 CIVIL ENGINEERIS'URVEYOR: HEDLUND PLANNING ENGINEERING SURVEYING 2005 Pi, Oak Drve Eogon M nn esoto 55122 Phone: (651) 405 6600 Co nto c t(s). Rondo, C. Hedlund, P.E./Jeffrey 0. Lindgren, P.L.S. LANDSCAPE ARCHITECT: BRODSHO CONSULTING -d A-hltectu- Site Pl one lit,698 NORTHBRIDGE COURT EAGAN, MN 55123 PHONE: 651-686-8023 FAX 651-456-5748 100 0 100 200 300 Scale 1 = 100 111T N-11 C_ 1 T 11/19/2013 2/20/13 II _--------- ,, \ "T -- - IATL WET LAND 2 q' \ / Hatched o ea / denotes 2,604 \\�` 10 X ove g wellond bs frer 1 24 \ \ 0\t0 69.4 s0t \ J^// 4. fl /\\ � �- 9>J�A ,27 r i � 4r �- � Ili I `I I I -- �9 '`/�• > >� / 12568,/ fi l 1 - 7 12 MI I/ sq fi , I I t _ I o, J 11 1 � i e12 11 � t 54F � �1 � v d% 14 - 4 ' \ q. f4 \ V� '� 11 00 li \I \ ®\\ sq 1 i 2.5`s \\L1 L\ y\ 12.91"1( \\g4� 13.845 � � I I L t 1 � \ R_ 4,683 /- �S r 4 r v n rt. 06i �1IQOfI_; q. 96 q 3 2 le' ,\\ ft 8249 fl _I 1 \C®t O /./ 2 -- sq 171 �UT L®T A t. F18 iAv�O 16.583 �— sn. ft J o \t A \1/\L- O>> l>/ • -n r' 1 O a , l 12. 9e1971 12436-�I \�\� �a t\\\\ 2 �.�\�� Cy X60 U / 1/-sa q: rt 204 l 120 0 40 Tsq .�i Te4. ft.Tl 1)s2g14e� F-711 e4 rr '� 223 sq. f5 V/ .\ ` I 9° q ft-TIl �SCti v/ �- � l- 11 11 1 1 II rs,7s4 li 7 �' S III 4 3 2 1 i� v3g5 > ll 8,212 -u- 5q v - _ - 86.0 CLEAR Y lRf�ld..,. 18244 _UU t 2_JVII 9 II II -86.0- r-66.0- -86.0-2 -860-2 F- 2 - -'1! 86.0 II 86.0 R, II \A IhF-86.0- 6.0 86 0 sq.9f `� 4 1 0 1 87 1 ' z 6.7 r> 4 II �' 01 4.908 1 682 ® IL 19,568 f2 III ) n_15, s999` / ,260_ .Teo r6o III 13260 13.260 1111 3 55 4. ft. 15.982 sa.2ft. a u-sq.2 6 II I 1sq,s6:Ga-y�� rr2 s II 4067 L ND s t _ H l�� i aft. Ill q li s4, f�l 114221 C i _1 II� -ft, lil i� J II�-.�1 Ilii LJ -1------ in _ I"lin tng R/W _ ��-----------.-- d.,Ih ncL 80th Si - - - - ------ -. j 33� Ezis ting RJIWI T� - -7 Addie— R/W - \ / - - - - - - I heplattea 17�—--— r+-- - Z-- I I 1 E SITE DATA- SETBACK REQUIREMENTS: LECAL DESCRIPTION Current Zoning - R-1 (Single Family Residential) Front Y, rd = 25 Feet Total Site Area = 1,260,013 sq.ft. - 28.926 o Rear Yard = 25 Feet That part of Outlot A, The Enclave at Cleary Lake, Scott County, Right -of -Way Area = 217,225 sq. ft. - 5.092 It, Side Interior Minnesota, embraced within Lot 1, Block 1, Jackson Estates. Outlot B = 5,132 sq.ft. - 0.118 o Living Space - 10 Feet e Garage = 10 Feei (Torr ns Cert. 43883) - Outlot C Oudot D = 3,471 sq.U. - = 3.440 sq.ft. - 0.080 kc, 0.071 a Side Corner = 25 Feet AND Outlok E - 2,783 sq. ft. - 0.054 , *Minimum Lot width At Setback - 86 (Corner Lot 103.5) Feet Outlot A, The Enclave at Cleary Lake, Scott County, Minnesota, EXCEPT Area Interior = 12,000 Sq.Ft. G F a Outlot F = 2,905 sIt - 0.067 a Minimum Lot that part embraced within Lot 1, Block 1, Jackson Estates. Net Area = 1,025.057 sq.t' - 23.532 tiMinimum Lot Area Corner = 14,400 Sq FF (Abstract) u tlot A "HI - 60,352 sq.ft. - 1.394 0 *Note: Setback tram 100 yr. flood elevation = 30 ft. Oudot G = 10,164 sq.ft. - 0.214 a Total Wetland Are, Total Number of Lots = 22,544 sq.ft. - = 64 0.518 oc. * Note: Lot 6, Block 5 and Lot 1, Block 6 a e less than 86 ft, wide at the setback. It is med a o Net Density = 2.7 U/A 5 H. set dock will be allowed abut Ling then storm 000 sewer outlot_ THE ENC"1/E PR o5; o1"oA eER A T CLAFARY 2ND AAV/T/ON z CAV of Prior Labe - EE Scotf C01Ir71y, MZJ7J7es0fa CITY PROJECT NO: DEV -2013-0014 0 11 � SITE n..�W up..a iw. 'Fryer c -n - LOCATION [IAP No SAFI, INDEX PRE PLAT C-1) COVERSHEETISITE PLAN C -Z) PRELIMINARY PLAIT C-3) UTILITY PLAN C-4) EXISTING CONDITIONS C-5) LANDSCAPE PLAN GRADING AND EROSION CG -1.0) GRADING PLAN -OVERALL CG -1. 1) GRADING PLAN 50 SCALE CG -1.2) GRADING PLAN -50 SCALE CC -1.3) GRADING PLAN 50 SCALE CE-/) EROSION CONTROL PLAN CE -Z) EROSION CONTROL DETAILS DEVELOPER: RYLAND HOMES — TWIN CITIES 7599 A„9rom Dr've EdenPro r, M ,,,sato 55344 Pho..1 (952) 229 6000 CIVIL ENGINEERIS'URVEYOR: HEDLUND PLANNING ENGINEERING SURVEYING 2005 Pi, Oak Drve Eogon M nn esoto 55122 Phone: (651) 405 6600 Co nto c t(s). Rondo, C. Hedlund, P.E./Jeffrey 0. Lindgren, P.L.S. LANDSCAPE ARCHITECT: BRODSHO CONSULTING -d A-hltectu- Site Pl one lit,698 NORTHBRIDGE COURT EAGAN, MN 55123 PHONE: 651-686-8023 FAX 651-456-5748 100 0 100 200 300 Scale 1 = 100 111T N-11 C_ 1 T 11/19/2013 2/20/13 WET LAND -86 _0 1�- A30 1I j ------------ -------PARK -- 86.0 86.0 Ir I r � II `/YYe7 I Ir II I� IIS 7 P 6 1 I` G o 4 Ilo IIS P F M, n 3 _ . 860 I I 86.0 II 86.0 JI 86 0 86 0 86 0 ss JI 5 7"- N/// 1 N m� _ I 8>.a 7 i 82.1- 7 � 86.8 _ 1201 86-� T 1 PARA' <2 46 9 9 I -4, < WETI LAND ^ Ns0 5e'a2'234°�3es Pio -m wr1 a,]z6628 / -I / ss.ss 3 26-, 459�� 9S]SQ __- S5 9'cS� � 23)4&q 2 � „]O <^ � h S / \ 4 0 o __ 86.0 7 86.0 2 88.0 , r-86.0 `�� .:� > y� Ciro -`� .° i/ 1 1 <•S3o _ / LEGAL DL SCRIPTION L-_-___-_---- J/ That part of Outlot A, The Enclave at Cleary Lake, Scott County, 5 �� '? � rn hC / 1 rm o gI 1 '*5' 59, N /�_-_-J/ ie2e {� 2, l�6" 1 - that part embraced within Lot 1, Block 1, Jackson Estates. - z -zl 13 '`s,,, 50 21 _ _- �2Z2\ a E' L----- B 4 �� ✓�q �� 2 --------- � /ro. \Zoa.B moo �� 1 m/d 36'E / 1 h c� 1 S� '� 4 p1 ao- / N713'23 26 E NM \ 347aI \?i. / ] �A �� se6 , \ 4 il� o iIi / 4 So 34'3g�E �2� �� 2 0_2 a9. a_--es9/ 29, .2 �'�3��°� j •�I s OUTL®T A ]� 9�� i20 IR -]02 �y (1 -86 _0 1�- A30 1I j 86 0, 86.0 -- 86.0 86.0 Ir I r � II `/YYe7 I Ir II I� IIS 7 P 6 1 I` G o 4 Ilo IIS P F M, n 3 _ . 860 I I 86.0 II 86.0 JI 86 0 86 0 86 0 \ N m 2D \\ LLEARY ss JI 5 ; 9 N/// 1 N m� _ I 8>.a 7 i 82.1- 7 � 86.8 _ 1201 86-� T 'I <2 46 9 9 - < -I / __- J 2 4 __ 86.0 7 86.0 2 88.0 , r-86.0 r -----,IRATE_ 86-0 _ __ 1® _z LEGAL DL SCRIPTION - o That part of Outlot A, The Enclave at Cleary Lake, Scott County, Minnesota, embraced within Lot 1, Block 1, Jackson Estates. (Torrens Cert. 43883) AND N Outlot A, The Enclave at Cleary Lake, Scott County, Minnesota, EXCEPT - that part embraced within Lot 1, Block 1, Jackson Estates. - z a E' B 5 1 m/d il� o iIi I 1 r o o 12 6 ] J � J I� w S I � s9 a„ E - - � 1544 W 55.3 L ND 32.0 x_86.0 86.0 86.0 _ �IJ i IL_ I� I I S I N70�46 14' � 60 55 - 86.0 J! _J L_86.a _JL 85.0 -� J L 860 J 86.0 96.0 86.0 ilii i 86.0 IL 86.0 J L- 1 86.0 86.0 n 86.0 I ry - - - ---1 �/ 80TH , .,-�.. 1849.33 N88'33'56"W STREET _� L_ -_-_J � J 86.0 88 9 � L--_---- _ -- -- ------ -- - - - - -- f_-^_---- .,-_------i --------------- TE/VCL.41/E PRDJEOTNUMBE6 051 DI OR A T CLZARV LAKE 2/VO City of Prior Labe - - - Scott County, Minnesota C/TV PROJECT NO: OEV--ZO 13--0014 LEGAL DL SCRIPTION - o That part of Outlot A, The Enclave at Cleary Lake, Scott County, Minnesota, embraced within Lot 1, Block 1, Jackson Estates. (Torrens Cert. 43883) AND Outlot A, The Enclave at Cleary Lake, Scott County, Minnesota, EXCEPT - that part embraced within Lot 1, Block 1, Jackson Estates. - (Abstract) a E' - ¢Eo 0 O w � N U 0.' w U - 100 0 100 200 300 s'EET -.11 C- 21 Scale 1 _ 100' 11TE 11 /192013 12/0/13 THE ENCL.41/E PR° °GT NUMBER 051 DI OR AT CLAFARY LAKE ------ 2)VO ADDITION z T City of Prior Zayre Scotf Counfy, MliMeSofa ._ C/TY PRO✓ECT NO: DEV -2013-0014 � � � •- . �� , ,mss . 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Ice / 95 O 9X95, 953-3 1 IrT-i i / / f T fog` SAN TARv_ �G=9563 �r 9 CBMH r /a A 9508 G 963.5 8 t SAN Mt -I I I LTJ i� YYIII � C6 ' Y n ce SANMH' -T 9sa o / FES -948.0 T 9620j �^ MH T=951'I - C 94JJ/ 6 957.3 -995.3 II \��tt2 T --t960.2 / It -944.8 ii r ��d )� A I�h\ CBMH 1 �t r \/ 11 I r T G-956.8 �r I 1\I � _III �i 41 `I 1 / \ C � � � / 1=9501 a \ I 5 \ ❑ - - \^ / o co - CBMH I -, o x r7 r - 9s a C-- _ 9 T SANMH / 4NMH TI t c 9s� < �\� T-"9'7"5"' I5950o 6 L TANMH SA MH 5 4 it //FF T- 9965567 2, \ -- 9 00C8 II r/� O 9 9590 960.1 i G 969.0 SANMH r 1 -_-- 965.5 -9] 0 III❑ II❑ M \ y T 969.53 TIB 11N.H9711--- SAN. -9505 " �P SO,"', - - 8 °IP 't L� =960-T 1 �� 1=958.13 959,18 �� _ _❑j❑I 15959,5 - J _ GII-98ai.2 W IG 9667.5 S__zNP AR�*A� WA N STUB 3 I=954 4 r� l ---- / t- J 1-959.fi G=970.5 G=969.0 T saNnnH 1 A ^ \\ T B77 P 1 EII�iCBMH L 971.0 r D T T T F__-8�RAtN-1 C 96390 � c e rll 1 965.3 III❑i 11 9762 -A7 SANMH II li❑1 �m % III JJJ 1 a 1 IT 965.2 T T=9J2 6 1 f '.L oTI j 2 -I:- - _❑1 I❑ �� III=961.6❑1l❑I❑II 1 weT rano 1 T CBMH 11 DFANTtE T a - Es- j 3 L J T6_O� I 2 t I CBMH ry SANMH _- - ` t ti I T-976-9 � \- -_ - - - -.a- - �. �� y '. -:� � I 953.0 I I A j FEAT YI E� w� ---- 111 LT T Ej 100 O 100 200 300 C_ DATE I 1 19/2013 Scale 1 = 100 2/20/13 \ I ------------------ WET LAND l -- I 1 1FF �,Ar:1SIE 1111111111 2-i. �I� �, I.• al. 11H Icor. FIhJ:fFL 'Hv:f PRELIMINARY NOT FOR CONSTRUCTION 100 D 100 200 300 Scale 1" = 100' I 1'`Il fJ / THE E/VCA4 VE AT CLE.4RYL KA=15 2/VV ADD/T/OM City of Prior Lake Scott County, Minnesota CITY PROJECT NO. -DEV -20 1.7-00 14 PLANT LIST: Site Plantings ELY, KEY BOTANICAL NAME COMMON NAME SIZE/ROOT TREES 63 ABM Acer Treem anti 'Jeffersred' Autumn Blaze Maple 2-1/2" B&B 46 CH Celtis occidentalis Common Hackberry 2-1/2" B&B 15 80 Quercus macrocarpa Bur Oak 2-1/2" B&B 43 5W0 Quercus bicolor A,vomp White Oak 2-1/2' R&B 28 GSL Tina —dot, 'GreensplreGreensplre Llriden 2-112" B&B 13 EWP Pinus strobus Eastern White Pine 6'— B' B&B 15 AP Pinus nigra Austrian Pine 6'— 8' B&B 36 BHS Picea glauca d—ata Black Hills Spruce 6- 8' B&B 16 ASAmelonchier loevis Allegheny Serviceberry 1-1/2` B&B 6 PEC M al a s' Prairi e fire' Piiiri'h- Crabapple 1-1/2" B&B 6 JTL Syringo reticulata Japanese Tree Lilac 2' 8&B SHRUBS, PERENNIALS, ANNUALS, & ORNAMENTAL GRASSES 78 BYD Cornus alba 'Bud's Yellow' Bud's Yellow Dogwood 5 Gal. Pot 95 CRD Cornus sericea 'Cardinal' Cardinal Red Dogwood 5 Goi. Pot Ground gone to ii— sad e wept in areae where nntine grasses, private In—, and temporary cover is needed or required Trees on the berm along 180th shall remain and only be removed if being replaced. PLANTING NOTES: contractor shall provide one year guarantee of all plant materials. rhe guarantee begins on the date of the Landscape Armiteet's written acceptance of the initial planting. Replacement plant materials shall also have a one year guarantee commencing upon planting. All pinnis to be northern—grown and hardy Plants to be metalled ns per standard AAN planting practices. use minimum 12" loom planting all on trees and 5' on sh 2-nbs contractor shall verify locations with au aUIHIes prior to installation of plants. All entrance Innd—ping and sod oreos sh oil be -irrigated with on underground sp ,nkler. Staking of trees aptianali reposition if not plumb after ane year Wrap all smooth—barked trees—fasten kap and bottom. Remove by April 1. open top of burlap on BE mate 2-i nl s; remov pat on patted pl.—, split and break Part Peat Pots. Prase plants as necessary — p r srandnrd narsery p a -- owner shun be responsible for maintenance after acceptance of the work by the owner. Plants shall be immediately planted apon arrival aI site- Prapedy heel—in materials If necessary. All disturbed oreos to be sodded unless otherwise noted. Sod shall be northern grown and hardy. Planting beds for shrubs shall have (4 o n.) weed barrier fabric, 4" — 5' of double shredded mi dark brown hardwood mulch. Plants to be Installed as per planting details. Double shredded dark brown hardwood mulch 4' deep shun be provided around all new trees. Woodland/prairie seed Shan be placed In areas where sod is not appropriate and the ground disturbed during grading. Shoreline seed shall be placed o the slopes of the re tent an pond areas and con t nue up to the slope [o the top grade def sed by mengi—rig pan. Rem -n-ng w a not the reapons b- ty of the Lanasoape Ar h tent. contact the Protoot Engineer for dela s acat�ons mates s, and spec 4ic ons for a re to n ng wo ls. Cans tructon and s types to be determ sed by the site Engi—, REQUIRED PLANT MATERIALS BASED ON ORIGINAL PLANS APPROVED BY THE CITY FOR BOTH PHASES I AND II 57 INTERIOR LOTS IS 2 BOULEVARD TREES = 114 TREES 7 CORNER LOTS (LI 4 BOULEVARD TREES = 28 TREES LOT TREES REQUIRED = 142 LOT TREES PROVIDED = 142 ADDITIONAL SITE AND TRAIL TREES = 121 ADDITIONAL SITE AND TRAIL ORNAMENTAL TREES = 28 BRODSHO CONSULTING 698 NORTHBRIDGE COURT EAGAN, MN 55123 PHONE: 651-688-8023 FAX 651-994-4792 PRDJECT NUMBER 051010A o -o a �o N FI O _vA o m /I -- L ITv - --' _J . l \ / t t � \ 1 \ \ Hni eh ed nen denotes buffer 1 \ ge wetland a 1FF �,Ar:1SIE 1111111111 2-i. �I� �, I.• al. 11H Icor. FIhJ:fFL 'Hv:f PRELIMINARY NOT FOR CONSTRUCTION 100 D 100 200 300 Scale 1" = 100' I 1'`Il fJ / THE E/VCA4 VE AT CLE.4RYL KA=15 2/VV ADD/T/OM City of Prior Lake Scott County, Minnesota CITY PROJECT NO. -DEV -20 1.7-00 14 PLANT LIST: Site Plantings ELY, KEY BOTANICAL NAME COMMON NAME SIZE/ROOT TREES 63 ABM Acer Treem anti 'Jeffersred' Autumn Blaze Maple 2-1/2" B&B 46 CH Celtis occidentalis Common Hackberry 2-1/2" B&B 15 80 Quercus macrocarpa Bur Oak 2-1/2" B&B 43 5W0 Quercus bicolor A,vomp White Oak 2-1/2' R&B 28 GSL Tina —dot, 'GreensplreGreensplre Llriden 2-112" B&B 13 EWP Pinus strobus Eastern White Pine 6'— B' B&B 15 AP Pinus nigra Austrian Pine 6'— 8' B&B 36 BHS Picea glauca d—ata Black Hills Spruce 6- 8' B&B 16 ASAmelonchier loevis Allegheny Serviceberry 1-1/2` B&B 6 PEC M al a s' Prairi e fire' Piiiri'h- Crabapple 1-1/2" B&B 6 JTL Syringo reticulata Japanese Tree Lilac 2' 8&B SHRUBS, PERENNIALS, ANNUALS, & ORNAMENTAL GRASSES 78 BYD Cornus alba 'Bud's Yellow' Bud's Yellow Dogwood 5 Gal. Pot 95 CRD Cornus sericea 'Cardinal' Cardinal Red Dogwood 5 Goi. Pot Ground gone to ii— sad e wept in areae where nntine grasses, private In—, and temporary cover is needed or required Trees on the berm along 180th shall remain and only be removed if being replaced. PLANTING NOTES: contractor shall provide one year guarantee of all plant materials. rhe guarantee begins on the date of the Landscape Armiteet's written acceptance of the initial planting. Replacement plant materials shall also have a one year guarantee commencing upon planting. All pinnis to be northern—grown and hardy Plants to be metalled ns per standard AAN planting practices. use minimum 12" loom planting all on trees and 5' on sh 2-nbs contractor shall verify locations with au aUIHIes prior to installation of plants. All entrance Innd—ping and sod oreos sh oil be -irrigated with on underground sp ,nkler. Staking of trees aptianali reposition if not plumb after ane year Wrap all smooth—barked trees—fasten kap and bottom. Remove by April 1. open top of burlap on BE mate 2-i nl s; remov pat on patted pl.—, split and break Part Peat Pots. Prase plants as necessary — p r srandnrd narsery p a -- owner shun be responsible for maintenance after acceptance of the work by the owner. Plants shall be immediately planted apon arrival aI site- Prapedy heel—in materials If necessary. All disturbed oreos to be sodded unless otherwise noted. Sod shall be northern grown and hardy. Planting beds for shrubs shall have (4 o n.) weed barrier fabric, 4" — 5' of double shredded mi dark brown hardwood mulch. Plants to be Installed as per planting details. Double shredded dark brown hardwood mulch 4' deep shun be provided around all new trees. Woodland/prairie seed Shan be placed In areas where sod is not appropriate and the ground disturbed during grading. Shoreline seed shall be placed o the slopes of the re tent an pond areas and con t nue up to the slope [o the top grade def sed by mengi—rig pan. Rem -n-ng w a not the reapons b- ty of the Lanasoape Ar h tent. contact the Protoot Engineer for dela s acat�ons mates s, and spec 4ic ons for a re to n ng wo ls. Cans tructon and s types to be determ sed by the site Engi—, REQUIRED PLANT MATERIALS BASED ON ORIGINAL PLANS APPROVED BY THE CITY FOR BOTH PHASES I AND II 57 INTERIOR LOTS IS 2 BOULEVARD TREES = 114 TREES 7 CORNER LOTS (LI 4 BOULEVARD TREES = 28 TREES LOT TREES REQUIRED = 142 LOT TREES PROVIDED = 142 ADDITIONAL SITE AND TRAIL TREES = 121 ADDITIONAL SITE AND TRAIL ORNAMENTAL TREES = 28 BRODSHO CONSULTING 698 NORTHBRIDGE COURT EAGAN, MN 55123 PHONE: 651-688-8023 FAX 651-994-4792 PRDJECT NUMBER 051010A o -o a �o N FI O _vA o m /I -- RkJ l 1FF �,Ar:1SIE 1111111111 2-i. �I� �, I.• al. 11H Icor. FIhJ:fFL 'Hv:f PRELIMINARY NOT FOR CONSTRUCTION 100 D 100 200 300 Scale 1" = 100' I 1'`Il fJ / THE E/VCA4 VE AT CLE.4RYL KA=15 2/VV ADD/T/OM City of Prior Lake Scott County, Minnesota CITY PROJECT NO. -DEV -20 1.7-00 14 PLANT LIST: Site Plantings ELY, KEY BOTANICAL NAME COMMON NAME SIZE/ROOT TREES 63 ABM Acer Treem anti 'Jeffersred' Autumn Blaze Maple 2-1/2" B&B 46 CH Celtis occidentalis Common Hackberry 2-1/2" B&B 15 80 Quercus macrocarpa Bur Oak 2-1/2" B&B 43 5W0 Quercus bicolor A,vomp White Oak 2-1/2' R&B 28 GSL Tina —dot, 'GreensplreGreensplre Llriden 2-112" B&B 13 EWP Pinus strobus Eastern White Pine 6'— B' B&B 15 AP Pinus nigra Austrian Pine 6'— 8' B&B 36 BHS Picea glauca d—ata Black Hills Spruce 6- 8' B&B 16 ASAmelonchier loevis Allegheny Serviceberry 1-1/2` B&B 6 PEC M al a s' Prairi e fire' Piiiri'h- Crabapple 1-1/2" B&B 6 JTL Syringo reticulata Japanese Tree Lilac 2' 8&B SHRUBS, PERENNIALS, ANNUALS, & ORNAMENTAL GRASSES 78 BYD Cornus alba 'Bud's Yellow' Bud's Yellow Dogwood 5 Gal. Pot 95 CRD Cornus sericea 'Cardinal' Cardinal Red Dogwood 5 Goi. Pot Ground gone to ii— sad e wept in areae where nntine grasses, private In—, and temporary cover is needed or required Trees on the berm along 180th shall remain and only be removed if being replaced. PLANTING NOTES: contractor shall provide one year guarantee of all plant materials. rhe guarantee begins on the date of the Landscape Armiteet's written acceptance of the initial planting. Replacement plant materials shall also have a one year guarantee commencing upon planting. All pinnis to be northern—grown and hardy Plants to be metalled ns per standard AAN planting practices. use minimum 12" loom planting all on trees and 5' on sh 2-nbs contractor shall verify locations with au aUIHIes prior to installation of plants. All entrance Innd—ping and sod oreos sh oil be -irrigated with on underground sp ,nkler. Staking of trees aptianali reposition if not plumb after ane year Wrap all smooth—barked trees—fasten kap and bottom. Remove by April 1. open top of burlap on BE mate 2-i nl s; remov pat on patted pl.—, split and break Part Peat Pots. Prase plants as necessary — p r srandnrd narsery p a -- owner shun be responsible for maintenance after acceptance of the work by the owner. Plants shall be immediately planted apon arrival aI site- Prapedy heel—in materials If necessary. All disturbed oreos to be sodded unless otherwise noted. Sod shall be northern grown and hardy. Planting beds for shrubs shall have (4 o n.) weed barrier fabric, 4" — 5' of double shredded mi dark brown hardwood mulch. Plants to be Installed as per planting details. Double shredded dark brown hardwood mulch 4' deep shun be provided around all new trees. Woodland/prairie seed Shan be placed In areas where sod is not appropriate and the ground disturbed during grading. Shoreline seed shall be placed o the slopes of the re tent an pond areas and con t nue up to the slope [o the top grade def sed by mengi—rig pan. Rem -n-ng w a not the reapons b- ty of the Lanasoape Ar h tent. contact the Protoot Engineer for dela s acat�ons mates s, and spec 4ic ons for a re to n ng wo ls. Cans tructon and s types to be determ sed by the site Engi—, REQUIRED PLANT MATERIALS BASED ON ORIGINAL PLANS APPROVED BY THE CITY FOR BOTH PHASES I AND II 57 INTERIOR LOTS IS 2 BOULEVARD TREES = 114 TREES 7 CORNER LOTS (LI 4 BOULEVARD TREES = 28 TREES LOT TREES REQUIRED = 142 LOT TREES PROVIDED = 142 ADDITIONAL SITE AND TRAIL TREES = 121 ADDITIONAL SITE AND TRAIL ORNAMENTAL TREES = 28 BRODSHO CONSULTING 698 NORTHBRIDGE COURT EAGAN, MN 55123 PHONE: 651-688-8023 FAX 651-994-4792 PRDJECT NUMBER 051010A o -o a �o N FI O _vA o m INEAS 'UP" o�Do�NE Az , o , nsry ,A N M T GROUND WATER CONTROL TRENCH WITH MaMBRACE o DETAIL > GROUNDWATER CONTROL TRENCH WITHOUT MEMBRANE NET TI 111- EDGE MONUMENTATION } r-` y -� r / / I INI A'DOTLSTAN6 County, Minnesota i� �� I, \--�/ goo; STAND ALK, �£v SEAN A EEIT EET� EI WETTAND HTK N zsRETE6 GROUNDWATER CONTROL TRENCH WITHOUT MEMBRANE NET TI 111- EDGE MONUMENTATION THE E/VCL.41/E PROJECT NUMBER 051 CA A T CLZARV LAKE 2M0 ADD/T/OM z — City of Prior Labe } r-` y -� r / / I -IT\ County, Minnesota i� �� I, \--�/ 3_) (ENTRANCE ANDASEDIMENT FIL7ER(S) UNTIL CONSSTTRUCTIONIN AND PAIR SILT FENCING. ROCK CONSTRUCTION �£v /ONE WETTAND IS COMPLETED. AND NEW VEGETATION AND SURFACINGCv CHWL-9396 --_s :� V If is—LEI' IS— rrf IT 4 .) SUBSOILING SHALL BE REQUIRED TO REDUCE SOIL COMPACTION IN ALL AREAS WHERE TURF ESTABLISHMENT IS SHOWN ON - i _-J ,( Gb' T W/aT o ` 4cl7yPRO✓ECT NO. OEV--2013 0074 ° £J �, `�� L/b 111Fc \� ) ❑Eho TESE esNT.ANTvaes.00 SPEC 2105-3.9 O U \ \ ; / 5-) INDIVIDUAL HOME BUILDERS MUST DIRECT ROOF DRAINS TO a _ / _ — •' / / j � � WETLAN77 _ �� DNR WETLAND ( ,4� / r - —� \ / OHWL 939 E j 1 i i ssa vETAIT BN 6_) INDIVIDUAL HOME BUILDERS MUST HAVE GROUND RIPPED TO A DEPTH OF 20" BEFORE SOD PLACEMENT, V V F -\ vi/I CROAD5EDD CR ACE a - — - LEGEND: c /I I NO SCALE e� GENERAL GRADING NOTES: _� W _ _ 1.) UNDERLYING TOPOGRAPHY FROM INFORMATION - - - -- -�- �_-� BENCHMARK: PROVIDED BY SCOTT COUNTY AND FIELD VERIFIED BY HEDLUND ENGINEERING_ - Ix SAT C IT CCo l n \ \ J E = rJ fag THE E/VCL.41/E PROJECT NUMBER 051 CA A T CLZARV LAKE 2M0 ADD/T/OM z — City of Prior Labe G V - e - 2 ) EXISTING UTILITY LOCATIONS AS -PER i } r-` y -� r / / I County, Minnesota i� �� I, \--�/ 3_) (ENTRANCE ANDASEDIMENT FIL7ER(S) UNTIL CONSSTTRUCTIONIN AND PAIR SILT FENCING. ROCK CONSTRUCTION �£v _!NI T V 'i 'i 11 IS COMPLETED. AND NEW VEGETATION AND SURFACINGCv --_s :� V FT. HIGHER THAN REAR GRADE ON LOOKULA( is—LEI' IS— rrf re I - \ 4 .) SUBSOILING SHALL BE REQUIRED TO REDUCE SOIL COMPACTION IN ALL AREAS WHERE TURF ESTABLISHMENT IS SHOWN ON - i _-J ,( Gb' T W/aT o ` 4cl7yPRO✓ECT NO. OEV--2013 0074 ° £J �, `�� L/b 111Fc \� ) ❑Eho TESE esNT.ANTvaes.00 SPEC 2105-3.9 O U \ \ ; / 5-) INDIVIDUAL HOME BUILDERS MUST DIRECT ROOF DRAINS TO a _ _ / PERVIOUS AREAS. q a - II,�I -. 0 — (V .��,� ��1 �`/ ,X "_-' ! 6_) INDIVIDUAL HOME BUILDERS MUST HAVE GROUND RIPPED TO A DEPTH OF 20" BEFORE SOD PLACEMENT, V V F -\ vi/I CROAD5EDD CR ACE a - — - LEGEND: c /I I NO SCALE e� GENERAL GRADING NOTES: _� W _ _ 1.) UNDERLYING TOPOGRAPHY FROM INFORMATION - - - -- -�- �_-� BENCHMARK: PROVIDED BY SCOTT COUNTY AND FIELD VERIFIED BY HEDLUND ENGINEERING_ - G V - e - 2 ) EXISTING UTILITY LOCATIONS AS -PER i o .r or �I�a iii �s ec } r-` y -� r / / I T_- (ILL HII i� �� I, \--�/ 3_) (ENTRANCE ANDASEDIMENT FIL7ER(S) UNTIL CONSSTTRUCTIONIN AND PAIR SILT FENCING. ROCK CONSTRUCTION �£v _!NI T V 'i 'i 11 IS COMPLETED. AND NEW VEGETATION AND SURFACINGCv --_s :� V FT. HIGHER THAN REAR GRADE ON LOOKULA( is—LEI' � rrf re I - \ 4 .) SUBSOILING SHALL BE REQUIRED TO REDUCE SOIL COMPACTION IN ALL AREAS WHERE TURF ESTABLISHMENT IS SHOWN ON o .r or �I�a iii �s ec / 1111 V .\�i I, e / EXISTING CONTOUR i / �� -(�� 3 j •'�'��—�' � x - e2o_8 EXISTING GRADE eLEvanoN EXISTING TREE LINE EXISTING TREE F 1 TI I F T Ii _ ST ST EXISTING STORM SEWER K EXISTING FENCE E / d - I j /�X 777--T,, -. �� V �� T •, �� PROPOSED CONTOUR PROPOSED STORM SEWER Rga PROPOSED GRADE RETAINING WALL 920,8 DENOTES AS -BUILT GRADE f� A WETLAND BUFFER MARKER. A / 30' AVERAGE WETLAND BUFFER i ,III fL L 1 e _ 1 i H _+I-�L SOIL BORING LOCATION SA s� L� DEND�9 B DENOTES LOT G# } r-` y -� r / / PLANS PROVIDED BY CITY OF PRIOR LAKE AND FIELD VERIFIED BY HEDLUND ENGINEERING_ T_- (ILL HII i� �� I, \--�/ 3_) (ENTRANCE ANDASEDIMENT FIL7ER(S) UNTIL CONSSTTRUCTIONIN AND PAIR SILT FENCING. ROCK CONSTRUCTION �£v _!NI T V 'i 'i 11 IS COMPLETED. AND NEW VEGETATION AND SURFACINGCv --_s :� V FT. HIGHER THAN REAR GRADE ON LOOKULA( IS ESTABLISH ED(REFER TO EROSION CONTROL NOTES). - -` -- ---- I, T/ _ T_ � `----- re I - \ 4 .) SUBSOILING SHALL BE REQUIRED TO REDUCE SOIL COMPACTION IN ALL AREAS WHERE TURF ESTABLISHMENT IS SHOWN ON - _-J ,( Gb' T W/aT o ` THE PLAN, WORK SHALL BE IN ACCORDANCE WITH Mn/DOT ° £J �, `�� L/b 111Fc \� ) ❑Eho TESE esNT.ANTvaes.00 SPEC 2105-3.9 O U \ \ ; / 5-) INDIVIDUAL HOME BUILDERS MUST DIRECT ROOF DRAINS TO a _ _ / PERVIOUS AREAS. q a II,�I ''"I 0 (V .��,� ��1 �`/ ,X "_-' ! 6_) INDIVIDUAL HOME BUILDERS MUST HAVE GROUND RIPPED TO A DEPTH OF 20" BEFORE SOD PLACEMENT, V V F -\ vi/I CROAD5EDD CR ACE a w LEGEND: c /I I NO SCALE A / 1111 V .\�i I, e / EXISTING CONTOUR i / �� -(�� 3 j •'�'��—�' � x - e2o_8 EXISTING GRADE eLEvanoN EXISTING TREE LINE EXISTING TREE F 1 TI I F T Ii _ ST ST EXISTING STORM SEWER K EXISTING FENCE E / d - I j /�X 777--T,, -. �� V �� T •, �� PROPOSED CONTOUR PROPOSED STORM SEWER Rga PROPOSED GRADE RETAINING WALL 920,8 DENOTES AS -BUILT GRADE f� A WETLAND BUFFER MARKER. A / 30' AVERAGE WETLAND BUFFER i ,III fL L 1 e _ 1 i H _+I-�L SOIL BORING LOCATION SA s� L� DEND�9 B DENOTES LOT G# iE ... -. --- - -- - - — - / IDTALET ,a - - ., - �_. -� _ _ - - _- ..-_.- _._ ENCLAVE AT CLEARY LAKE. w / Dem _ / _ THE E�III—.._. ._ r 7 - - - - - - - - — te 1 0 Lois n4 & 5 Block 2, i T ITTTI 1 IDi 1 IT///' SEE DR>wN necKe esex H L� ITT/� , 00 0 00 so 20o CG— 1.0 IT / - - nl I n/1e/2613 -i%�% - I Scale 1' = 100' z zO 13 / / PHovscD/REAR GFADL DENOTES PROPOSED GRADE AT LOT CORNER Low FLIQR ELEVATON REAR BDILDING SETBACK A/ `\� LT L SLOW OPEN "E H. HOUSE / F ORS AME WALKODTSO A ND AS LI FITUST pRPR AINAGE & UT L TY EASEMENT ` F / F / 1/' �K - FT. HIGHER THAN REAR GRADE ON LOOKULA( WALKOUT F APPLICABLE �R LDTS W� DENOTES Ex srNG c°NTSURS W/aT o ` P' T. DENOTES PRo90 ED GONTOUE _ v - - '�-�-' T-: L/b 111Fc \� ) ❑Eho TESE esNT.ANTvaes.00 e4z, D.DD K ra uvivc ArzEn. A °�'a o O U \ \ ; / N ( GARAGEF S LAB D. 4NLOW E R) ,a — /DENOTFTS GARAGE SETBACK PRd9osE❑ FRONT BLDG SETBACK ^ C� I �➢ /)� Lr _,z'' FRONT GRADE ANAGE FLAW 0 aRADe� g -111 o V V F s D ) CROAD5EDD CR ACE w TYPICAL LOT DETAIL c /I I NO SCALE A W - - -- -�- �_-� BENCHMARK: iE ... -. --- - -- - - — - / IDTALET ,a - - ., - �_. -� _ _ - - _- ..-_.- _._ ENCLAVE AT CLEARY LAKE. w / Dem _ / _ THE E�III—.._. ._ r 7 - - - - - - - - — te 1 0 Lois n4 & 5 Block 2, i T ITTTI 1 IDi 1 IT///' SEE DR>wN necKe esex H L� ITT/� , 00 0 00 so 20o CG— 1.0 IT / - - nl I n/1e/2613 -i%�% - I Scale 1' = 100' z zO 13 / / Memo Date: January 3, 2014 To: Community and Economic Development Department From: Engineering Department — Larry Poppler, City Engineer Public Works Department — Pete Young, Water Resources Engineer Subject: Enclave at Cleary 2nd (Project #DEV -2013-0014) The Engineering Department and Public Works Department have reviewed the preliminary plat for the subject project with a revision plan date of November 19, 2013, revised December 20, 2013. The plans were reviewed for consistency with City Ordinance and Standards detailed in the City of Prior Lake Public Works Design Manual. The following list details deviations from standards or requests for additional information that must be reconciled prior to project approval. The applicant or its representatives are invited to contact the engineering department with any questions or clarifications at 952-447-9830. Comments highlighted in bold text are of particular concern: General 1. The final plat plans should follow the requirements of the Public Works Design Manual (PWDM). 2. Permits from the Met Council, Minnesota Pollution Control Agency, and Department of Health will be needed as the project moves forward. 3. All plans should be drafted according to the City of Prior Lake layer system. A digital copy of the plans in pdf or of format is required prior to construction. All drawings should use the Scott County Coordinate System. Typical symbology and line types should be used (silt fence, tree protection, existing storm sewer, etc.). 4. Provide detail drawings for the work along 180th Street. Show all topographical features (trees, mailboxes, driveways), addresses for homes, wetland delineation, culvert pipes, dimensions from the right of way to the proposed utilities, or any other features that provide further detail. Provide cross sections for 180th Street. Cross sections should show each existing driveway to verify grades will work. Show proposed driveway restoration on the plans. The work along 180th Street must have township approval. Show construction limits on the plans. 5. Cross section from 14+50 to 16+50 shows a swale on the backside of the trail. Additional grading beyond the right-of-way would eliminate this swale or at least minimize the swale length. 6. Verify grading plan matches cross sections provided for 180th. Example: grading plan shows slopes for lots 4 & 5 draining over trail and into the proposed ditch. Cross section shows the back side of trail with 4:1 slope. Phone 952.447.9800 / Fax 952.447.4245 / www.cityofpriorlake.com 7. Ditch section along 180th Street in some areas are flat or contain minimal slopes. Please revise these areas to provide positive drainage and prevent. Bottom of ditch elevations should be provided on the cross section to ensure ditch flow. A minimum of 1% slope within the ditch is necessary. The minimum slope requirement should be achievable with introduction of a high point on 180th and revising of grades. This would mean additional grading into the proposed lots along 180th. 8. Show work on CR 87. A Scott County Highway Department approval is required for right turn lane on CR 87. 9. Survey shot data provided is hard to review in certain areas. Please show proposed contours/grading on the plan sheet. Grading Show all EOF locations for both relevant portions of phase I and phase II. Provide flow path arrows for all EOF locations. Provide EOF for wetland 1, is EOF intended along Outlot C? Low opening shall be 2' above the EOF elevation for Lot 1 Blk 3, Lot 4 Blk 2, Lots 5-6 Blk 5, and Lot 1 Blk 6. Verify all low openings along EOF routes are 2' above. 2. Provide additional easement document for temporary cul-de-sac at Lot 12 Blk 3. 3. Please note numerous driveways within cul-de-sacs are shown crossing property lines. Driveways must meet setback requirements. Utilities 1. A comprehensive review of the proposed utilities will take place with final plat submittal when plan and profile sheets are provided. Streets 1. A comprehensive review of the proposed street layout will take place with final plat submittal (plan and profile). 2. Typical sections should be shown on the plans. 3. Provide pavement analysis recommendations from your soils consultant. 4. Verify all horizontal and vertical curves meet 30 mph speed design. Hydrolo2y and Storm Sewer 1. Design of filtration BMPs should meet the requirements of the Minnesota Stormwater Manual (http://stormwater.pca.state.mn.us/index.php/Design_ criteria -for -filtration): a. Submit drawdown time calculation for the proposed filtration bench (requirement is to filter the water quality volume within 48 hours). b. Provide details for EPDM liner (should be minimum ASTM D-4833, 30 mil minimum thickness). c. Sand should be clean washed sand meeting ASTM C-33 concrete sand. d. Drain tile should be perforated PVC pipe in a gravel layer (clean washed aggregate with a diameter between 1.5" and 3.5"). 2. Provide rational method calculations for all storm sewer pipes. Road accessible environmental manholes with a 3' sump are required prior to discharge to any waterbody. 4. Provide typical details for all stormwater structures. 5. Provide corrected NWL and HWL for all waterbodies on all plan sheets. 6. Provide indemnification agreement and maintenance agreement for homes with LFE below wetland levels. The drain tile pipe will be the responsibility of the property owners for maintenance. Erosion and Sediment Control NPDES construction site permit will be required for this project. The City must approve the associated SWPPP prior to grading permit approval. Some SWPPP requirements are met by the current submittal; note that the NPDES permit requirements were changed on 8/1/2013. Please update plan sheets CE -1 and CE -2 to meet current NPDES SWPPP requirements. A full SWPPP review will be completed when updated materials are received. Wetlands Impacts associated with construction on 180th Street are proposed for Wetland A. The original wetland replacement plan for this site included 3,104 square feet of approved impact to this wetland. Please verify that the impacts currently proposed will not exceed the original approved amount. 2. Plan shows 30' average wetland buffer. Per the submitted MnRAM assessment, this may be reduced to 25'. Please replace the term "average" on the plan legend with "minimum" to show that wetland buffers cannot be less than 25' in any location. All wetland buffers must be covered by drainage and utility and conservation easements. Please note these easements on the plans. 4. Buffers must be seeded with a native mix with forbs. Note that all MnDOT seed mix numbers have been changed; outdated numbers are shown on the plans. See the 2014 seeding manual: www.dot.state.mn.us/environment/erosion/pdf/seedingmanual.pdf. A 2 - year maintenance period is required as part of the developers agreement. If at the end of the 2 -year maintenance period the seed has not established, there is a prevalence of invasive species, or there are other encroachments, over -seeding or reseeding may be required.