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--------------- <br />t- <br />X \ <br />d <br />i <br />\ <br />j\ <br />INFILTRATION BASIN BMP SUMMARY TABLE <br />PROPOSED DEVELOPMENT AREA: 0.858 AC <br />SITE INFILTRATION RATE: 1.63 IN/HR <br />EXISTING IMPERVIOUS AREA: 0.06 AC <br />INFILTRATION RATE BASED ON WEBSOIL SURVEY, PRIOR <br />OBSERVATIONS, AND MPCA INFILTRATION VALUES <br />PROPOSED IMPERVIOUS AREA: 0.513 AC <br />REDEVELOPED IMPERVIOUS AREA: 0.513 AC <br />TIME OF INFILTRATION:34.0 HOURS <br />REQUIRED VOLUME REDUCTION: 22,337 SF x 1.1" = 2,047 CF <br />100-YR HWL: 910.13 <br />INFILTRATION SYSTEM VOLUME REDUCTION PROVIDED BELOW <br />OUTLET: 11,335 CF <br />GROUNDWATER ELEVATION: GROUNDWATER NOT <br />ANTICIPATED <br />a � / <br />Vd V A <br />EOF: 910.00 @ TOP OF <br />CURB -g 1 p CONNECT TO EXISTING SANITARY SEWER \ <br />(FIELD VERIFY SIZE, DEPTH, AND LOCATION) ... - \ <br />CONNECT TO EXISTING WATERMAIN \ <br />\ (FIELD VERIFY SIZE, DEPTH, & LOCATION) - <br />qCF \ , <br />E <br />/ 4" CLEAN OUT \ ° <br />/ Q: 105 LF - 4" SCH 40 PVC \ <br />p= @ 2.00% MIN. 92 LF - 6" PVC C900 COMBINED \ <br />FIRE AND WATER SERVICE \ <br />150 LF - SCH 40 PVC @ 8' MIN. BURY \ <br />@ 0.50% <br />/ \\ 6" GATE VALVE \ <br />/ CATCH BASIN-13 \ \ <br />RIM:910.90 \ <br />(2) 6" 45° BENDS INV:907.90 <br />\ / \ (2) 4 450 BENDS \ \ \ <br />\ \ \ 4" CLEANOUT <br />\ 134 LF - 12" PERFORATED J / <br />HDPE @ 0.50 o / <br />80 LF - 12" PERFORATED <br />HDPE @ 0.50% <br />\ MANHOLE-12 <br />FLAG RIM:911.00 <br />INV E: 907.04 \ \ <br />INV W: 907.04 \ <br />INV N: 908.04 <br />SUMP: 904.04 <br />W <br />\ / <br />Q <br />/ <br />/ CATCH BASIN-10 / <br />RIM:910.80 <br />\ INV:907.80 <br />/ <br />78 LF - 12" PERFORATED <br />HDPE @ 0.50% <br />/ <br />-CATCH BASIN-11 / <br />RIM:910.97 <br />INV:907.44 <br />/ <br />/ <br />/ <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 />i <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 />$ = CURB STOP <br />H = GATE VALVE <br />= SANITARY MANHOLE <br />= CLEANOUT <br />1 = STORM MANHOLE <br />/ ® = CATCH BASIN <br />/ = CULVERT APRON <br />E <br />= WATER LINE <br />\ _ = SANITARY LINE <br />= STORM LINE <br />0' 20' 40' <br />DESIGN*TREE <br />engineering + land surveying <br />Corporate Office: <br />120 17th Ave W Alexandria, MN 56308 <br />888-216-1916 <br />AVA <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 />(SOUTH) <br />DRAWING NO. <br />C402 <br />