REMOVE RIP-RAP FROM WEST BANK NORTH OF SHEET PILE AND PLACE IN CHANNEL AREA BETWEEN WEIR AND BRIDGE.
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RETAINING WALL WITH SUPPORT SYSTEM (137'±)TOP=4.5' (SEE DETAIL PAGE C8)
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RETAINING WALL WITH SUPPORT SYSTEM (337'±) TOP=4.5'(SEE DETAIL PAGE C8)
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2nd STREET
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BRIDGE
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CONSIDER A RIGHT OF ENTRY EASEMENT TO ALLOW EQUIPMENT TO PULL MATERIAL FROM WEST SIDE OF RETENTION SLOPE
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TRANSITION SLOPE FROM NEW TOP OF BANK TO EXISTING HIGH BANK
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NORTH SLOPE: REMOVE/CUT SHRUBS, HIGH GRASS AND UNPROTECTED TREES FROM THE NORTH BANK OF THE RETENTION BASIN. REGRADE AT 3:1 SLOPE AND GRASS.
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INSTALL 20 L.F. PIPE (12" HDPE AT SAME ELEVATIONS) TO ESTABLISH CONTINUOUS SLOPE SOUTH OF SIDEWALK.
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PROPOSED 5' SIDEWALK WITH 4' OF SOD ON WEST SIDE OF SIDEWALK TOP ELEV.=5.0' (ADD ALTERNATE #1 NORTH SITE)
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REMOVE SEDIMENT TO ELEV. -2.5'
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EX. 21"RCP
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PROPOSED DEWATERING AREA FOR SEDIMENT REMOVED FROM BASIN AND CONCRETE CHANNEL NORTH OF EXISTING SWALE ±20,755 S.F.
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REMOVE SEDIMENT TO ELEV. -2.5'
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HIGH BANK
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26' L.F. TIMBER WALL DIVERTER (SEE DETAIL PAGE C8)
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DO NOT DISTURB CAT-TAILS
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ELEV. -0.5' AT BOTTOM OF WALL
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3:1 SLOPE (-2.5 TO 4.5)
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DITCH
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A
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A
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B
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B
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C
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C
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D
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D
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E
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E
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6' SOD STRIP
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SWALE
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EXISTING
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SIDEWALK
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CONTRACTOR STAGING AREA
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CONTRACTOR STAGING AREA
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CONTRACTOR STAGING AREA
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NO WORK IN RAILROAD R.O.W.
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CONTRACTOR TO PROVIDE DEWATERING PLAN SUBJECT TO CONDITION OF SEDIMENT REMOVED.
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END EAST SIDE
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START EAST SIDE
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START WEST SIDE
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END WEST SIDE
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6' SOD STRIP STARTING AT ELEV. 2.5
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PROJECT LIMITS
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PROJECT LIMITS
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BILOXI, MISSISSIPPI 39532
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PHONE: 228-385-2350
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FAX: 228-385-2353
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925 TOMMY MUNRO DRIVE, SUITE G
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Sheet Title
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Project Name
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Sheet
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Project No.
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Checked
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Revised
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Date
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Approved
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Drawn
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19-018
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C3
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N
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1 inch = ft.
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( IN FEET )
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GRAPHIC SCALE
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0
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30
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30
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60
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30
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120
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15
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D. LOVE
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J. SPIRES
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M. SEYMOUR
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1/20/2020
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NOTE: HEAVY EQUIPMENT THAT PUTS GREATER THAN 40 PSF PRESSURE ON THE GROUND SHALL STAY A MIN. OF 15' AWAY FROM THE RETAINING WALL UPLAND SIDE.
SE
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CROS
S SE
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NS - N
ORTH
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A
CROSS SECTIONSSCALE: 1" = 30'
COFF
EE C
REEK
RET
ENTIO
N BA
SIN
GULF
PORT
,HA
RRIS
ON C
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Y, M
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PI
LEGEND
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RETAINING WALL
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DO NOT DISTURB GROUND AREA AT WEIR LOCATION
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RETAINING WALL
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RETAINING WALL
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RETAINING WALL
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RETAINING WALL
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RETAINING WALL
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RETAINING WALL
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BILOXI, MISSISSIPPI 39532
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PHONE: 228-385-2350
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FAX: 228-385-2353
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925 TOMMY MUNRO DRIVE, SUITE G
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Sheet Title
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Project Name
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Sheet
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Project No.
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Checked
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Revised
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Date
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Approved
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Drawn
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19-018
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C4
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D. LOVE
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J. SPIRES
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M. SEYMOUR
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1/20/2020
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PROPOSED GRADE
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EXISTING GRADE
MATC
HLINE
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PROP
OSED
LAYO
UT - S
OUTH
PROPOSED LAYOUT - SOUTH AREASCALE: 1" = 30'
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ISSI
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36" LO
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36" LO
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33" LO
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36" LO
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32" LO
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26" LO
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20" LO
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12" LO
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12" LO
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ELEC.BOX
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ELEC.BOX
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ELEC.BOX
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ELEC.BOX
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ELEC.BOX
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ELEC.BOX
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ELEC.BOX
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IPF
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IPF
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IRF
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IRF
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IRF
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IRF
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IRF
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POLE ONLY
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S
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EX. SMH TOP: 5.26
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S
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EX. SMH TOP: 5.41 INV.=-1.99
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S
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EX. SMH TOP: 6.36 INV.: x.xx
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S
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EX. SMH TOP: 7.46 INV.: x.xx
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S
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EX. SMH TOP: 6.50 INV.: x.xx
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(2) 24" LO
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EX. DRAIN PIPE OUTFALL INV.: 0.10 (21"RCP)
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2nd STREET
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OAK AVENUE
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U.S. HIGHWAY 90 (WESTBOUND)
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U.S. HIGHWAY 90 (EASTBOUND)
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2nd STREET
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BRIDGE
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REMOVE EXCESS SAND AND SEDIMENT AT TRANSITION SLOPES AND BOTTOM TO MATCH CONCRETE CHANNEL (ADD ALT. #3). PLACE ALL SAND AND SEDIMENT IN DEWATERING AREA.
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REMOVE BUILT UP SAND AND SEDIMENT WITHIN CONCRETE CHANNEL AND PLACE IN DEWATERING AREA. (ADD ALTERNATE #3)
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REMOVE SHRUBS AND BRUSH, GRADE & GRASS TO ALLOW AREA TO BE MOWED. LEAVE ALL PROTECTED TREES. (ADD ALTERNATE #2)
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REMOVE SAND AND SEDIMENT WITHIN BOX CULVERT AND PLACE IN DEWATERING AREA. (ADD ALTERNATE #3)
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EX. 21"RCP
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BOX CULVERT
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REMOVE SAND AND VEGETATION AND PLACE IN DEWATERING AREA AND CHEMICALLY TREAT VEGETATION (ADD ALTERNATE #4)
NOTES: 1. MINIMUM RECOMMENDED PLACEMENT INTERVAL BETWEEN WATTLE DITCH CHECK IS 100' UNLESS SHOWN OTHERWISE ON THE PLANS OR EROSION CONTROL PLAN APPROVED BY THE ENGINEER. 2. ANCHORING WOOD STAKES SHALL BE SIZED, SPACED, DRIVEN, AND BE OF A MATERIAL THAT EFFECTIVELY SECURES THE CHECK. STAKE SPACING SHALL BE A MAXIMUM OF THREE FEET. ALL NON-DEGRADABLE MATERIALS SHALL BE REMOVED WHEN NO LONGER NEEDED. 3. TRENCHING OF WATTLES MAY BE NECESSARY IF PIPING BECOMES EVIDENT. 4. WATTLES SHOULD NOT BE USED IN HARD BOTTOM CHANNELS. 5. WATTLE DITCH CHECKS ARE APPROPRIATE FOR VELOCITY REDUCTION AND CONTROL OF SEDIMENT TRANSPORT UNDER LOW TO MEDIUM FLOW CONDITIONS.
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SEE ELEVATION DETAIL FOR HEIGHT OF WATTLE ENDS
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WATTLE TO BE PLACED IN "U" SHAPE
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%%UDETAIL (DITCH CHECK)
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%%UELEVATION DETAIL
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%%USECTION A-A
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WOOD STAKE AT TOE
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OF SLOPE, BOTH SIDES
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WATTLE 20"
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WOOD STAKE
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ANCHOR THROUGH NETTING WITHOUT DAMAGE
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CHANNEL BOTTOM
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FLOW
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FLOW
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A
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A
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EL. "B"
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WATTLE
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DITCH BOTTOM
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EL. "A"
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NOTE: END POINTS "A" MUST BE HIGHER THAN FLOWLINE POINT "B"
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%%UWATTLE DITCH CHECK DETAIL
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NOT TO SCALE
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BILOXI, MISSISSIPPI 39532
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PHONE: 228-385-2350
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FAX: 228-385-2353
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925 TOMMY MUNRO DRIVE, SUITE G
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Sheet Title
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Project Name
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Sheet
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Project No.
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Checked
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Revised
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Date
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Approved
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Drawn
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19-018
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C6
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D. LOVE
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J. SPIRES
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M. SEYMOUR
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1/20/2020
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NOT TO SCALE
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TYPICAL EROSION CONTROL
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SILT FENCE
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STAKES
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FILTER FABRIC CONTINUOUS AND ENTRENCHED ALL FOUR SIDES
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GRATE INLET
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TYPI
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NOT TO SCALE
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EXISTING BOTTOM
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ELEV.=-0.5
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ELEV.=-2.5
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EXISTING WEIR
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%%USECTION A-A
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ELEV.=2.5'
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ELEV.=3.0'
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N.T.S.
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%%USECTION B-B
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15' TRANSITION
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BOTTOM ELEV. AT WALL -0.5'
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WATER ELEV. AT TOP OF OVERFLOW SPILLWAY 2.5'
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TOP OF WALL ELEV. 4.5'
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MAX. BOTTOM DEPTH -2.5'
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N.T.S.
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TRANSITION FROM TOP OF WALL TO EXISTING GRADE. RESHAPE AND SEED.
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%%USECTION C-C
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15' TRANSITION
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BOTTOM ELEV. AT WALL -0.5'
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WATER ELEV. AT TOP OF OVERFLOW SPILLWAY 2.5'
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TOP OF WALL ELEV. 4.5'
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MAX. BOTTOM DEPTH -2.5'
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PROPOSED 5' SIDEWALK W/SOD (ADD ALTERNATE #1)
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EXISTING MANHOLE
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ELEV. 4.90'
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ELEV. 4.95'
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10'
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TOP=5.18
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N.T.S.
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SOD
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IF ADD ALTERNATE #1 IS NOT AWARDED TRANSITION SLOPE FROM TOP OF WALL TO TOP OF MANHOLE.
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%%USECTION D-D
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MAX. BOTTOM DEPTH -2.5'
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SLOPE VARIES, TRANSITION TO EXISTING HIGH BANK
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20'
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ELEV.=4.5
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N.T.S.
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3:1 SLOPE
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%%USECTION E-E
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WATER ELEV. AT TOP OF OVERFLOW SPILLWAY 2.5'
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MAX. BOTTOM DEPTH -2.5'
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EXISTING SIDEWALK
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3'
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DEPTH AT TOE OF SLOPE= -0.5'
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TRANSITION TO -2.5 AT BOTTOM OF RETENTION BASIN
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12" HDPE INV.=2.75
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N.T.S.
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RIP-RAP AT PIPE OUTFALL
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BILOXI, MISSISSIPPI 39532
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PHONE: 228-385-2350
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FAX: 228-385-2353
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925 TOMMY MUNRO DRIVE, SUITE G
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Sheet Title
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Project Name
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Sheet
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Checked
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Revised
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Date
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Approved
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Drawn
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19-018
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C7
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D. LOVE
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J. SPIRES
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M. SEYMOUR
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1/20/2020
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FILTER FABRIC
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ELEVATION VARIES
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FILTER FABRIC
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%%UTYPICAL DITCH CROSS SECTION
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5
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1
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RIP-RAP
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DITCH PROTECTION
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18" 100LB RIPRAP
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%%P35'
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FILTER FABRIC
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SUBGRADE
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(ANCHOR IN TRENCH)
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RIP-RAP
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SUBGRADE
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SEED OR SOD
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VARIES
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EXISTING GROUND
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4
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1
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*REQUIRED IF SIDEWALK ABUTS CONCRETE OR ASPHALT.
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COMPACTED SUB-GRADE
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4" CONCRETE PAD WITH 6x6 - W1.4 x W1.4 WWF OR FIBER REINFORCED
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*1/2" EXPANSION JOINT
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*1/2" EXPANSION JOINT
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5' O.C. MAX. CONTROL JOINT
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30' MAX. O.C. EXPANSION JOINT
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WIDTH VARIES SEE PLAN
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4"
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1/2" EXPANSION JOINT 40' O.C.
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3/8"
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1/4" CONTROL JOINT 5' O.C.
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DESIGN NOTE: 1) USER CHECK APPLICABILITY OF LONGITUDINAL EXPANSION JOINTS INSTEAD OF BOND BREAKER MATERIAL 2) CONFIRM ACCEPTABLITY OF FIBER REINFORCED OPTION
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%%USIDEWALK JOINT DETAIL
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NOT TO SCALE
SCALE: 1/4" = 1'-0"TYPICAL WALL SECTION - EAST SIDE
SCALE: 1/2" = 1'-0"CONNECTION TO PILES AND WHALERS
SCALE: 1/4" = 1'-0"DETAIL AT WEST END OF CONCRETE WEIR STRUCTURE
SCALE: 1/4" = 1'-0"PLAN VIEW AT EAST END OF CONCRETE WEIR STRUCTURE
SCALE: 1/4" = 1'-0"SECTION VIEW AT EAST END OF EXISTING CONTROL STRUCTURE
SCALE: 1/4" = 1'-0"DETAIL OF DIVERTER WALL
EAST SIDEWEST SIDE
SCALE: 1/4" = 1'-0"PILE AND TIE-BACK LAYOUT DETAIL
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INSITU BACKFILL
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COMPACTED TO 90% STANDARD PROCTOR 57 STONE BACKFILL, BOTTOM @ 5' BELOW TOP OF WALL. (SEE SOILS REPORT)
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MDOT TYPE VI GEOTEXTILE NON-WOVEN
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BACKFILL TRENCH WITH 57 STONE TO 12" BELOW FINISH GRADE
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MINIMUM
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SEE PLAN FOR 12" PVCSANITARY SEWER PIPE LOCATIONS AND INVERTS
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ONE ASTM D12 ANCHOR PILE-12" BUTT BY 12' LONG ON 2/12 BATTER, SEE TIE BACK LAYOUT DETAIL THIS SHEET.
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ASTM D25 SOLDIER PILE @ 5' O.C. MIN. 12" BUTT 5' O.C. MIN. 12" BUTTBY 25' LONG, TREATED
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GALVANIZED OGEE WASHER
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GALVANIZED NUT
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P 3/8x12" GALVANIZED
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L
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TYPICAL NUT AND WASHER AT TIE RODS. TENSION RODS AFTER COMPACTED BACKFILL IS IN PLACE.