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3.b 051_0120 Boat Ramp Concept Plan 20160428w ater ecology c o mmunit y LOGHOUSE LANDING BOAT RAMP STABILIZATION CONCEPT PLAN 4/29/2016 DRAINTILE PIPE WITH STABLIZED OUTLET CONCRETE PAVEMENT ANCHORS AND DRAIN TILE CENTERED BETWEEN JOINTS; PER MNDOT STANDARD PLAN 5-297.235 (32) 12’ WIDE CONCRETE PLANKS; SUPPLIED BY MN DNR; ANGLE RAMP DOWNSTREAM 14˚ OF PERPENDICULAR (SEE ATTACHED DNR STANDARD DETAIL) DRESSER TRAP ROCK AGGREGATE SPILLWAY (VELOCITY TO DETERMINE SIZE) STABILIZE WASHED OUT FOOT PATH WITH ROUGH CUT STONE STAIR BUILD UP GRADE (APPROX. 6”) TO DIRECT WATER AWAY FROM TOP OF RAMP REINFORCED CONCRETE DRIVE RAMP STABILIZE ROADWAY BANKS WITH 18-36” BOULDERS OVER GEOTEXTILE FABRIC; SEED DISTURBED SLOPES WITH NATIVE SEED MIX AND NETLESS FIBER BLANKET ST. CROIX RIVER 24% 12’ 13% 2% cross- slope EROSION CONTROL FIBER ROLL CONCRETE PAVING JOINTS AT 15’ O.C. DISTURBANCE AREA BELOW OHW - 616 SF NOTE: SITE EROSION CONTROL WILL CONSIST OF FIBER ROLLS ABOVE OHW AND SILT CURTAIN AROUND UNDERWATER EXCAVATION AREAS. SEE ATTACHED DETAIL FOR PROPOSED EXCAVATION DEPTH OF PLANK INSTALLATION. DRAIN TILE AT PERIMETER OF CONCRETE RAMP NOTE: EOR HAS DEVELOPED THIS PLAN AS A CONCEPT FOR RAMP STABILIZATION ONLY. FINAL DIMENSIONS, MATERIALS, AND METHODS FOR CONSTRUCTION SHALL BE DETERMINED BY THE CONTRACTOR AND THE CITY OF SCANDIA. 40 8 16 1 5 ' 0 ' ' 1 5 ' 0 ' ' 1 5 ' 0 ' ' A A 6 4 1 3 1 : 2 0 L O N G I T U D I N A L R O A D W A Y P R O F I L E 6 ' ' 6 ' ' 6 ' ' < R O A D W A Y 6''6'' 2' 6'' 3 SPS. AT 6'' T T/2 S E C T I O N B - B P A V E M E N T E D G E SEE DETAIL C 6'' 6 ' ' 4' 0 ' ' T/2 ROUGH FINISH ON ANCHOR SURFACE 15' 0 ' ' B A S E BASE 6''6'' 2' 6'' S E E A N C H O R D E T A I L ANCHO R D E T A I L BB S P E C . 3 1 4 9 . 2 J A G G R E G A T E F I N E F I L T E R B A C K F I L L W I T H A N C H O R 1 2 ' ' 4'' 4'' 1 2 ' ' P E R M E A B L E A G G R E G A T E B A S E D E N S E G R A D E D A G G R E G A T E B A S E S L O P E V A R I E S 7 < R O A D W A Y L U G A N C H O R W I D T H S E C T I O N A - A T H E D O W N G R A D E S I D E O F T H E A N C H O R . N O F O R M S S H A L L B E U S E D I N T H E C O N S T R U C T I O N O F U P G R A D E S I D E O F T H E A N C H O R . F O R M S S H A L L B E U S E D I N C O N S T R U C T I O N O F T H E 1 2 3 4 5 6 7 N O T E S : D E T A I L C C O N C R E T E P A V E M E N T S L A B C O N C R E T E P A V E M E N T S L A B PAVT. SLAB PAVT. SLABT D R I V I N G L A N E S S H O U L D E R A S R E Q U I R E D A N C H O R AS REQUIRED 1' 0''3' 0'' 3'' 1 : 2 0 S E E E N L A R G E D D E T A I L C B R I D G E A P P R O A C H P A N E L A N C H O R + 4 % G R A D E O R G R E A T E R 1' 6'' 5 P R O V I S I O N S O F S P E C . 2 5 0 2 A N D S P E C I A L P R O V I S I O N S . H E A D W A L L I N A C C O R D A N C E W I T H T H E A P P L I C A B L E M A N U A L F O R C O N C R E T E H E A D W A L L D E T A I L S . P L A C E R U N P I P E T O S T O R M S E W E R . S E E S T A N D A R D P L A T E S U S E A P R E C A S T C O N C R E T E H E A D W A L L A T O U T L E T O R M I N I M U M T W O I N C H E S C O V E R . E X C E P T A S N O T E D . D E F O R M E D B A R S A S P E R S P E C . 3 3 0 1 A N D H A V E A A L L R E I N F O R C E M E N T S H A L L B E E P O X Y C O A T E D A B R I D G E A P P R O A C H P A N E L . S T E E P G R A D I E N T ( 4 % O R G R E A T E R ) A N D A B U T S W H E R E A R I G I D P A V E M E N T I S C O N S T R U C T E D O N A T H E P A V E M E N T E N D A N C H O R I S T O B E U S E D O N L Y 3 SPS. A T 1 ' 0 ' ' 5 ' 6 ' ' ( M E A S U R E D O N < R O A D W A Y ) S P A C E A T 1 ' 0 ' ' C . T O C . 4 ' ' D I A . T P N O N - P E R F . P I P E 4 ' ' D I A . T P P E R F . P I P E T Y P E 1 S P E C . 3 7 3 3 G E O T E X T I L E ( P A B ) A G G R E G A T E P E R M E A B L E H A U N C H B O T T O M 1 / 3 O F P I P E 3 2 4 5 ( N O G E O T E X T I L E W R A P ) 4 ' ' D I A . T P P E R F O R A T E D P I P E W H I C H N O D I R E C T P A Y M E N T W I L L B E M A D E . T H E P A V E M E N T E N D A N C H O R I S I N C I D E N T A L F O R 4 ' 0 ' ' A N C H O R 2 ' 6 ' ' 6''6''6''6''W < ROADWAY 1 5 ' 0 ' ' P L A N V I E W 5 ' 6 ' ' SPACE BARS AT 1' 0'' C. TO C.SPACE BARS AT 1' 0'' C. TO C. 2 ' 6 ' ' C5H-D C 5 H - D C 5 H C 5 H - D C 5 H - D C 5 H C5HC5H-DC5H-D C 5 H C 5 H C 5 H - D T O P A V E M E N T C O N S T R U C T I O N W I T H M I X N O . 3 A 3 2 H E . L U G A N C H O R S S H A L L B E C O N S T R U C T E D 2 D A Y S P R I O R T H E D R A I N S H A L L B E C O N S I D E R E D I N C I D E N T A L . H E A D W A L L A N D A N Y O T H E R W O R K R E Q U I R E D T O P L A C E A N C H O R . D R A I N E X C A V A T I O N , B A C K F I L L , D R A I N P I P E , D R A I N S H A L L B E P L A C E D A F T E R C O N S T R U C T I O N O F P E R M E A B L E A G G R E G A T E ( P A B ) A G G R E G A T E B A S E A G G R E G A T E B A S E O F T H E A N C H O R . P L A C E D A N D C O M P A C T E D P R I O R T O C O N S T R U C I O N S E L E C T G R A N U L A R B O R R O W M O D 1 0 % S H A L L B E P E R M E A B L E A G G R E G A T E B A S E S Y S T E M D E N S E G R A D E D A G G R E G A T E B A S E O R 2 2 B O T T O M 1 / 3 O F P I P E 3 7 3 3 T Y P E 1 ) H A U N C H 3 2 4 5 ( G E O T E X T I L E W R A P , 4 ' ' D I A . T P P E R F O R A T E D P I P E S T D . P L A N 5 - 2 9 7 . 2 2 7 C O N C R E T E S I L L , R E F E R T O O R B R I D G E A P P R O A C H T R E A T M E N T S S H E E T S . S E E S T D . P L A N 5 - 2 9 7 . 2 3 3 O R 5 - 2 9 7 . 2 3 4 A602EA603E A 6 0 2 E B A R S A T 1 ' 0 ' ' C . T O C . A 6 0 3 E 1 0 ' 0 ' ' L E N G T H 1 ' 0 ' ' C . T O C . A 5 0 1 E B A R S A T BARS 6'', A404E 3 SPS. AT A404E B A R S A 4 0 5 E A 4 0 5 E 4 - A 4 0 4 E H O R I Z O N T A L A 5 0 1 E , A 6 0 2 E , A 6 0 3 E & A 4 0 5 E B A R S A 5 0 1 E T Y P . A 6 0 3 E 2 - A 6 0 2 E A501E, A602E, A603E & A405E A501E, A602E, A603E & A405E A 5 0 1 E 4 - A 4 0 4 EMI N N E S O T A D E P A R T M E N T O F T R A NSP O RTAT ION R E V I S E D : A P P R O V E D : 8 - 6 - 2 0 1 4 S T A T E D E S I G N E N G I N E E R S T A N D A R D P L A N 5 - 2 9 7 . 2 3 5 1 O F 1 P A V E M E N T E N D A N C H O R S U N D E R C O N C R E T E P A V E M E N T ( G R A D E S 4 % O R G R E A T E R ) REVISION:APPROVED: 8-6-2014 REVISION:DIRECTOR, OFFICE OF MATERIALS AND ROAD RESEARCH