500_Amendment 0002-Plans.pdf

SEE TABLE

DEPTH VARIES

CROWN RESTORATION

EXISTING LEVEE

EXISTING LEVEE

EXISTING LEVEE

APPROXIMATE SCOUR EXTENTS

MIN 1'

WID

TH (

SEE T

ABLE)

SEE TABLE

DEPTH VARIES

MIN. 1'

STABILITY BERM

15'

M

IN

APPROXIMATE EXISTING SCOUR SURFACE EXCAVATION PLANE

ON SHEETS CS101 TO CS111

SEE TOP OF LEVEE ELEVATION PROFILE

AGGREGATE SURFACE

EXISTING SURFACE

EXCAVATION PLANE

10'

1' MIN.

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REQUIRED, COMPACTION, AGGREGATE QUALITY, ETC.

SEE SPECFICATION SECTION 35 41 00 LEVEE CONSTRUCTION FOR INFORMATION REGARDING SOIL TYPES 3.

PLACED ON THE RAMP.

SHOWN ON RECORD DRAWINGS. AFTER ALL FILL IS PLACED, 6 INCHES OF AGGREGATE SURFACING WILL BE

AREAS WITH RAMP EROSION WILL HAVE BORROW MATERIAL USED TO RESTORE THE RAMP TO GRADES 2.

DEPTHS TO BE CONFIRMED WITH COR IN EACH AREA BEFORE CONSTRUCTION BEGINS.1.

NOTE:

REGARDING SEEDING AROUND STRUCTURES.

SEE SPECIFICATION SECTION SEEDING FOR ADDITIONAL INFORMATION 3.

CONTRACTOR SHALL FIELD IDENTIFY SCOUR AREAS WITH COR APPROVAL. 2.

LEVEE CONSTRUCTION.

COMPACT FILL IN ACCORDANCE WITH SPECIFICATION SECTION 35 41 00 1.

REQUIRED, COMPACTION, ETC.

SEE SPECFICATION SECTION 35 41 00 LEVEE CONSTRUCTION FOR INFORMATION REGARDING SOIL TYPES 3.

SEEDING.

DRAWINGS. ALL AREAS DISTURBED WILL BE SEEDED AND MULCHED PER SPECIFICATION SECTION 32 92 19

DEGRADED SOIL AND BORROW MATERIAL WILL BE USED TO RESTORE THE LEVEE TO GRADES SHOWN ON RECORD

AREAS WITH SLOPE EROSION WILL BE DEGRADED TO A DEPTH BELOW THE LIMITS OF THE EROSION. 2.

BEGINS.

EROSION VARIES IN EACH AREA. LIMITS TO BE CONFIRMED WITH COR IN EACH AREA BEFORE CONSTRUCTION

DEPTHS TO BE CONFIRMED WITH COR IN EACH AREA BEFORE CONSTRUCTION BEGINS. POSITION OF SLOPE 1.

NOTE:

TYPICAL DETAIL - RAMP EROSION TYPICAL DETAIL - CROWN EROSION

SEE SPECIFICATION SECTION 32 92 19 SEEDING FOR ADDITIONAL INFORMATION REGARDING SEEDING.2.

THE LIMITS HAVE ADEQUATE SOD COVER OR ARE ARMORED WITH ROCK.

LEVEE STATION LIMITS NOT DESIGNATED FOR SEEDING SHALL BE FIELD VERIFIED WITH COR TO CONFIRM 1.

NOTE:

F1

TYPICAL DETAIL - SEEDING LOCATIONS

SCALE: NTS

D1

TYPICAL DETAIL - LANDSIDE TOE EROSION

SCALE: NTS D7

TYPICAL DETAIL - EXCAVATION BENCHING

SCALE: NTS

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AMENDMENTS

BENCHING IS NOT REQUIRED IN ZONES OF PERVIOUS MATERIAL.2.

FOR ALL EXCAVATIONS GREATER THAN 5 FEET IN DEPTH.1.

NOTE:

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AGGREGATE QUALITY, ETC.

SEE SPECFICATION SECTION 35 41 00 LEVEE CONSTRUCTION FOR INFORMATION REGARDING SOIL TYPES REQUIRED, COMPACTION, 5.

4. DEGRADED SOIL SHALL BE SCREENED TO BE FREE OF AGGREGATE AS PER SPECIFICATION SECTION 35 41 00 LEVEE CONSTRUCTION.

WITH COR APPROVAL.

REMOVE ALL DISPLACED AGGREGATE ON LEVEE SLOPES. AGGREGATE MAY BE AMENDED/MIXED AND INCORPORATED INTO THE PROJECT 3.

SPECIFICATION SECTION 32 92 19 SEEDING. AREAS WITH PRE-EXISTING RIP RAP MAY HAVE THE RIP RAP REPLACED ON THE LEVEE SLOPE.

INCHES OF AGGREGATE SURFACING WILL BE PLACED ON THE CROWN AND ALL OTHER AREAS DISTURBED SEEDED AND MULCHED PER

AND BORROW MATERIAL WILL BE USED TO RESTORE THE LEVEE TO GRADES SHOWN ON RECORD DRAWINGS. AFTER ALL FILL IS PLACED, 6

AREAS WITH CROWN EROSION WILL BE DEGRADED TO A DEPTH BELOW THE LIMITS OF THE EXISTING SCOUR SURFACE. DEGRADED SOIL 2.

DEPTHS TO BE CONFIRMED WITH COR IN EACH AREA BEFORE CONSTRUCTION BEGINS.1.

NOTE:

40'

50' 50'

ELEV. 829.9'

6" BEDDING LAYER

OUTLET STRUCTURE INLET STRUCTURE

6" BEDDING

15" RIPRAP GRADATION.

STONE PROTECTION FOR

SEE SPECIFICATION 35 31 19

15" RIPRAP GRADATION.

STONE PROTECTION FOR

SEE SPECIFICATION 35 31 19

CHANNEL CENTERLINE

6" BEDDING

STRUCTURE FOR ACCESS PURPOSES.

BETWEEN THE LEVEE CREST AND THE

FILL UP TO THE TOP OF THE GATEWELL

CONTRACTOR SHALL PLACE IMPERVIOUS

SEE SHEET SF110

INSTALL GATEWELL THREE 60" PRECAST RCP

ELEV. 830.8'ELEV. 830.0' ELEV. 830.7'

RIPRAP PROTECTION

SEE SHEET SF112

OUTLET STRUCTURE

SEE SHEET SF112

INLET STRUCTURE

RIPRAP PROTECTION

ELEV. 832.5' ELEV. 832.6'

40.5'30'10'4'8.5'30'

EXCAVATION LIMITS

ALL SIDES OF RCP

18" FILTER SAND

ALL SIDES OF RCP

18" FILTER SAND

43' 3"

PER DETAIL ON SHEET D8/SF112

IMPERVIOUS FILL/CLSM

PER DETAIL ON SHEET D8/SF112

IMPERVIOUS FILL/CLSM

6" BEDDING LAYER

15" RIPRAP GRADATION.

STONE PROTECTION FOR

SEE SPECIFICATION 35 31 19

ELEV. 843.0'

ELEV. 843.0'

NOT TO SCALE

INLET/OUTLET STRUCTURE

ON THIS SHEET

SEE DETAILS A1 & C1

ON THIS SHEET

SEE DETAILS A1 & C1

TIE TO TOP OF SLOPE

TIE TO TOP OF SLOPE

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MRLS 500-R SECTION DETAIL - GATEWELL STA. 204+00

A1 SCALE: NTS

RIPRAP PROTECTION CROSS SECTION

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RIPRAP PROTECTION PROFILE

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TOL PROFILE

TIE INTO TOP OF LEVEE PROFILE

TIE INTO TOP OF LEVEE PROFILE

15"

20" SSP

30" SSP

5' MINIMUM5' MINIMUM

LEVEE OVERBUILD SLOPE

ORIGINAL LEVEE SLOPE

LEVEE OVERBUILD TOL

TOL PROFILE

LEVEE OVERBUILD TOL

30" SSP

20" SSP

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A1 SCALE: NTS

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LANDSIDE RIVERSIDE

TYPICAL DETAIL - PIPE OVERBUILD CROSS SECTION - STATION 205+00

ALL SSP SHALL CONFORM WITH ASTM A 53 GRADE B WITH 0.375 INCH WALL THICKNESS.1.

NOTE:

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3'-6"

5'-3"

3'-0"

E Q

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2'-6"6'-0"2'-6"

4'-0" 4'-0"

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SHEET NOTES

STEM, TYP

SLIDE GATE

WALL FACE AT TOP

THICKNESS CHANGE

WALL FACE BELOW AT

BASE SLAB EDGE

GUARDRAIL, SEE SF500

FLOOD SIDE LAND SIDE

NOTE: LADDER NOT SHOWN FOR CLARITY

#8 @ 12" OC TOP AND BOTTOM

JOINT, TYP

CONSTRUCTION

ON S-001, TYP

LAP PER TABLE

GUARDRAIL, SEE SF 500

SYMMETRIC ABOUT

CENTERLINE

LAP, TYP

#7 EF, TYP

TYP

#8 @ 12" OC TOP AND BOTTOM

AROUND GATEWELL

CONTINUOUS

WATERSTOP,

HYDROPHILIC

ELEVATIONS

SEE CS503 FOR

WATERSTOP, TYP

HYDROPHILIC

CONTINUOUS

SHEET NOTE 2

LADDER, SEE

WRITTEN INSTRUCTIONS

PER MANUFACTURER'S

OPERATOR AND STEM

ANCHOR AND INSTALL

#7 @ 12", TYP

MANUFACTURER

RECOMMENDED BY

INSTALLATION AS

STEM GUIDES, LOCATE AND

JOINT, TYP

CONSTRUCTION

SPACING, SEE SHEET NOTES

DIMENSIONS AND RUNG

FIXED LADDER

RUNGS MATCHING THE

CAST-IN-PLACE LADDER

INDIVIDUAL

OPENING, PROVIDE

BELOW TOP OF PIPE

FLOOD SIDE LAND SIDE

SEE SHEET NOTE 4

DOWEL BARS TYP,

JOINT, TYP

AT SLAB-TO-CRADLE

1/2" JOINT FILLER

A7/SF110 FOR OPENING SIZE

GRATING, SEE SF500, SEE

REFER TO A1/SF111

BASE SLAB BOTH SIDES

BEYOND GATEWELL

(3) 4 FT PIPE LENGTHS

BAR SIZE AND SPACING.

TO MATCH TYPICAL VERTICAL

HOOK AS SHOWN. DOWELS

DOWELS WITH STANDARD

35 20 16.01 23

SPECIFICATION SECTION

SLIDE GATE EACH SIDE PER

1. REFER TO CIVIL SHEET CS503 FOR TOP OF GATEWELL AND PIPE INVERT

ELEVATIONS.

2. INSTALL LADDER RUNGS AND A FIXED LADDER DESIGNED AND DETAILED IN

ACCORDANCE WITH 29 CFR 1910.23. THE LADDER DESIGN, INCLUDING

ANCHORAGE, SHALL BE THE RESPONSIBLITY OF THE CONTRACTOR AND

SHALL BE DESIGNED TO MEET 29 CFR 1910.23 AND SPECIFICATION SECTION

05 51 33. INSTALL LADDER SAFETY SYSTEM MEETING THE REQUIREMENTS OF

29 CFR 1910.29. LOCATE REBAR TO ENSURE ANCHORAGE DOES NOT CONTACT

REBAR.

3. PREPARE FOUNDATION AND BACKFILL PER SPECIFIFICATION SECTION 35 41

00. BACKFILL MATERIAL WITH MATERIALS AS SHOWN ON CS503.

4. DOWELS SHALL BE 2'-0" LONG 1-1/8" DIAMETER SMOOTH BARS CENTERED

ABOUT JOINT BETWEEN CRADLE AND GATEWELL. DOWELS SHALL BE COATED

WITH A BOND BREAKER. DOWELS SHALL BE SPACED EQUALLY.

SEE SHEET NOTE 3

ELEV - SEE CS503

TO CS503

CLSM - REFER

CONCRETE CRADLE

CONCRETE CRADLE

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SCALE: 3/8" = 1'

SECTION

4'0 2' 8' A7

SECTION

SCALE: 3/8" = 1' 4'0 2' 8'

AMENDMENTS

A7

SF110

A4

SF110

A1

SF111

A4

SF111

B7

SF111

B7

SF111