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INFILTRATION BASIN BMP SUMMARY TABLE <br />PROPOSED PROJECT AREA: 2.73 AC <br />SITE INFILTRATION RATE: 1.63 IN/HR <br />EXISTING IMPERVIOUS AREA: 0.28 AC <br />INFILTRATION RATE BASED ON WEBSOIL SURVEY, PRIOR <br />OBSERVATIONS, AND MPCA INFILTRATION VALUES <br />PROPOSED IMPERVIOUS AREA: 1.62 AC <br />REDEVELOPED IMPERVIOUS AREA: 1.62 AC <br />TIME OF INFILTRATION: 42.0 HOURS <br />REQUIRED VOLUME REDUCTION: 70,567sf * 1.1/12ft= 6,469 CF <br />100-YR HWL: 906.27 <br />INFILTRATION SYSTEM VOLUME REDUCTION PROVIDED BELOW <br />OUTLET: 11,335 CF <br />GROUNDWATER ELEVATION: GROUNDWATER NOT <br />ANTICIPATED <br />CATCH BASIN-3 / <br />RIM:906.10 <br />INV:903.10 / <br />8 LF - 12" PERFORATED <br />HDPE @ 0.50% <br />CATCH BASIN-3 <br />RIM:906.00 <br />INV:903.06 / <br />CATCH BASIN-6 <br />RIM:906.30 <br />INV:903.04 <br />CATCH BASIN-7 / <br />RIM:906.00 <br />INV:903.00 <br />/ <br />/ <br />CATCH BASIN 8 <br />RIM:906.50 <br />INV:902.71 i <br />/ CATCH BASIN-9 <br />RIM:906.57 ' <br />\ <br />/ <br />VVI <br />/ INV:902.67 <br />� 8 LF - 12" PERFORATED <br />SUMP:899.67 \ <br />/ HDPE @ 0.50% <br />\ SANITARY SEWER CONNECTION <br />INV:904.00 / \ <br />(COORDINATE SIZE, LOCATION AND <br />/ \ ELEVATION WITH PLUMBING ENGINEER) / <br />/ / \ 110 LF - 12" PERFORATED 6Z i <br />/ \ HDPE @ 0.50% Q / <br />/ \ V <br />CURB CUT AND RAIN <br />GUARDIAN v� <br />4" CLEAN OUT i� S <br />8 LF - 12" PERFORATED <br />HDPE @ 0.50% <br />58 LF - 12" PERFORATED <br />HDPE @ 0.50% <br />\ / 68 LF - SCH 40 <br />\ PVC @2.00% / <br />OUTLET CONTROL <br />STRUCTURE (OCS-1) <br />INV OUT 904.50 <br />B <br />SIN 4" ORIFICE INV:904.50 <br />TOP WEIR:905.25 .4, <br />"""1 .v F <br />36 LF - 12 RCP @ ' <br />12" RCP FI <br />INV: 904.: <br />/ CATCH BASIN-5 <br />RIM:906.00 <br />INV:902.90 94 LF - 12" PERFORATED \� <br />SUMP:899.90 _ HDPE @ 0.50% \ <br />jNF / 8 LF - 12" PERFORATED \ <br />HDPE @ 0.50% <br />CATCH BASIN-4 <br />/ - RIM:906.00 <br />\ ,' 1' 89°26'22 <br />\ 01.18 INV:902.9x4 <br />108 LF - 12" SCH 40 PVC @ <br />\ 25 LF - 12" PERFORATED 0.50% <br />SANITARY SEWER CONNECTION <br />\ INV:905.00 <br />\ V (COORDINATE SIZE, LOCATION AND <br />�\ \ ELEVATION WITH PLUMBING ENGINEER) <br />� \ r 4" CLEAN OUT <br />o, <br />\ e \ <br />\ gslN \ \ 37 LF - SCH 40 <br />\ \ \ PVC @2.00% <br />CIO <br />r i v <v / Mq CATCH BASIN-1 <br />p <br />RIM:907.75 <br />oN / \ INV:904.75 <br />r CP. <br />r <br />mob' i <br />80 LF - 12 PERFORATEC <br />HDPE @ 0.50% <br />\/ 81 <br />/ CATCH BASIN-2 <br />RIM:908.00 <br />INV:904.21 <br />/ SUMP:901.21 <br />46 LF - 6" PVC C900 COMBINED <br />FIRE AND WATER SERVICE <br />@ 8' MIN. BURY <br />j <br />6" WET TAP TO <br />EXISTING WATERMAII <br />(FIELD VERIFY SIZE, <br />DEPTH, & LOCATION) <br />6" GATE VALVE <br />vQ' <br />CONNECT TO EXISTING SANITARY SEWER SERVICE <br />(FIELD VERIFY SIZE, DEPTH, AND LOCATION) <br />RISER PIPE <br />/ <br />80 LF - 6" PVC C900 COMBINED <br />FIRE AND WATER SERVICE <br />@ 8' MIN. BURY <br />6" WET TAP TO <br />EXISTING WATERMAIN <br />(FIELD VERIFY SIZE, <br />DEPTH, & LOCATION) <br />6" GATE VALVE <br />CONNECT TO EXISTING SANITARY SEWER SERVICE <br />(FIELD VERIFY SIZE, DEPTH, AND LOCATION) <br />RISER PIPE \ <br />NOTES: <br />1. THE LOCATIONS AND ELEVATIONS OF THE EXISTING UTILITIES SHOWN <br />HEREIN ARE APPROXIMATE. THEY HAVE BEEN PLOTTED FROM AVAILABLE <br />SURVEYS AND/ OR RECORDS. THE CONTRACTOR IS RESPONSIBLE FOR <br />FIELD VERIFYING LOCATION AND ELEVATION TO ENSURE THAT ANY <br />EXISTING UTILITIES (SHOWN OR NOT SHOWN) ARE NOT DAMAGED <br />DURING CONSTRUCTION. <br />2. CONTRACTOR SHALL VERIFY AND COORDINATE BUILDING UTILITY <br />CONNECTION SIZES, LOCATIONS, AND ELEVATIONS WITH PLUMBING, <br />MECHANICAL, AND ELECTRICAL CONTRACTORS. <br />3. ALL EXCAVATION SHALL BE IN ACCORDANCE WITH THE CURRENT <br />EDITION OF "STANDARD SPECIFICATIONS FOR TRENCH EXCAVATION AND <br />BACKFILL/SURFACE RESTORATION" AS PREPARED BY THE CITY <br />ENGINEERS ASSOCIATION OF MINNESOTA. <br />4. ALL WATER PIPING SHALL BE BURIED A MINIMUM OF 8'. <br />5. SEE WATER DETAILS FOR ADDITIONAL INFORMATION. <br />6. A MINIMUM VERTICAL SEPARATION OF 18 INCHES IS REQUIRED AT ALL <br />WATER LINE CROSSINGS WITH SANITARY SEWER OR STORM SEWER. <br />THE WATER LINE SHALL NOT HAVE JOINTS OR CONNECTIONS WITHIN 10 <br />FEET OF THE CROSSING. INSULATE CROSSINGS WITH STORM SEWER. <br />7. SANITARY SEWER CLEANOUTS SHALL BE PROVIDED WITHIN T OF THE <br />BUILDING FOR UNIT'S CONNECTION. <br />8. SANITARY SEWER CLEANOUT SPACING SHALL NOT EXCEED 90'. <br />9. SANITARY SEWER SERVICES SHALL HAVE A MINIMUM OF 2.00% GRADE. <br />10. SEE SANITARY SEWER DETAILS FOR ADDITIONAL INFORMATION. <br />11. ALL NONCONDUCTIVE PIPE SHALL BE INSTALLED WITH A LOCATE <br />(TRACER) WIRE PER MINNESOTA RULES, PART 7560.0150 <br />12. ALL CONSTRUCTION AND MATERIALS SHALL BE IN ACCORDANCE WITH <br />THE MINNESOTA STATE PLUMBING CODE. <br />13. ALL PIPING SHALL BE TESTED IN ACCORDANCE WITH THE MINNESOTA <br />STATE PLUMBING CODE. <br />14. CONTRACTOR SHALL COORDINATE UTILITY INSPECTIONS WITH LOCAL <br />AUTHORITIES HAVING JURISDICTION. <br />15. GOPHER STATE ONE CALL DAMAGE PREVENTION SYSTEM FOR BURIED <br />UTILITIES. 1-800-252-1166. CONTRACTOR SHALL HIRE A PRIVATE <br />UTILITY LOCATOR TO ASSIST WITH PRIVATE UTILITY LOCATES. <br />16. OVER EXCAVATE INFILTRATION BASIN AREAS BY 3-FT. DOCUMENT <br />PRESENCE OF GROUNDWATER. DOCUMENT SOIL CONDITIONS. <br />17. CONTRACTOR SHALL PERFORM A DOUBLE -RING INFILTROMETER TEST AT <br />BOTTOM ELEVATION OF STORMWATER BASIN AND VERIFY DESIGN <br />INFILTRATION RATE OF 1.63 IN/HR. <br />PROPOSED UTILITY LEGEND <br />= HYDRANT <br />Q <br />= CURB STOP <br />H <br />= GATE VALVE <br />= SANITARY MANHOLE <br />= CLEANOUT <br />= STORM MANHOLE <br />® <br />= CATCH BASIN <br />= CULVERT APRON <br />= WATER LINE <br />= SANITARY LINE <br />= STORM LINE <br />DESIGN*TREE <br />engineering + land surveying <br />Corporate Office: <br />120 17th Ave W Alexandria, MN 56308 <br />888-216-1916 <br />' AAA <br />P R O P E R T I E S <br />879 Scheffer Avenue <br />St. Paul, MN 55102 <br />Phone: 952-403-9595 <br />I HEREBY CERTIFY THAT THIS PLAN, SPECIFICATION, <br />OR REPORT WAS PREPARED BY ME OR UNDER MY <br />DIRECT SUPERVISION AND THAT I AM A DULY <br />LICENSED PROFESSIONAL ENGINEER UNDER THE <br />LAWS OF THE STATE OF MINNESOTA. <br />PRINTED NAME: MICHAEL J. GERBER <br />DATE: 09/04/2024 LICENSE #: 56653 <br />LINO LAKES 2.0 <br />LINO LAKES, MN <br />THIS DRAWING AND THE INFORMATION THEREIN IS <br />THE PROPERTY OF DESIGN TREE ENGINEERING INC. <br />USE BY THE HOLDER OR DISCLOSURE TO OTHERS <br />WITHOUT THE PERMISSION OF DESIGN TREE <br />ENGINEERING INC. IS PROHIBITED. IT CONTAINS <br />PROPRIETARY AND CONFIDENTIAL INFORMATION OF <br />DESIGN TREE ENGINEERING INC. REPRODUCTION OF <br />THE MATERIAL HEREIN WITHOUT WRITTEN <br />ERMISSION OF DESIGN TREE ENGINEERING INC. <br />VIOLATES THE COPYRIGHT LAWS OF THE UNITED <br />STATES AND WILL SUBJECT THE VIOLATORS TO <br />LEGAL PROSECUTION. <br />COPYRIGHT @ 2024 BY DESIGN TREE ENGINEERING <br />DRAWN BY: RJK <br />CHECKED BY: JEA <br />PROJECT NO.: 10923008 <br />NO. DATE <br />DESCRIPTION <br />UTILITY PLAN <br />(NORTH) <br />DRAWING NO. <br />C401 <br />0' 30' 60' <br />