W912DQ20B1041 Solicitation Amendment(s) - 0004 20200609 - Attachment 01.pdf

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RIVERSIDE

EXISTING LEVEE

NOTE:

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LANDSIDE

1. LEVEE STATION LIMITS ARE APPROXIMATE AND SHOULD BE FIELD VERIFIED WITH COR. COR TO COORDINATE A MODIFICATION IF NECESSARY.

2. IN ADDITION TO ALL AREAS PROVIDED IN THE TABLE; THE LEVEE RIGHT OF WAY, 15 FEET FROM LEVEE TOE, SHALL BE SEEDED AT ALL STATION LIMITS PROVIDED IN THE TABLE.

2 SEE SPECIFICATION SECTION 32 92 19 SEEDING PARAGRAPH RENOVATION OF DAMAGED EXISTING TURF FOR ADDITIONAL INFORMATION REGARDING SEEDING

TYPICA L DETA IL - S E E DIN G L O CA T IONS

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NOTE:

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

CROWN RESTORATION

DEPTH VARIES

SEE TABLE

1' MIN.

Slop!::

7"-ft!:::

6 7 8

SEEDING SCHEDULE

9 10

SHEET NOTES

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

LEVEE CONSTRUCTION.

STATION LOCATION WIDTH (FEET) 2. SEE SPECIFICATION SECTION SEEDING FOR ADDITIONAL INFORMATION REGARDING SEEDING AROUND STRUCTURES. MAIN STEM 14+50 TO 739+30 BOTTOM OF Rrv'ERSIDE SLOPE 30

MAIN STEM 14+50 TO 739+30 BOTTOM OF LANDSIDE SLOPE 30

LOWER CHARITON 1 +50 TO 293+00 BOTTOM OF Rrv'ERSIDE SLOPE 30

LOWER CHARITON 1 +50 TO 293+00 BOTTOM OF LANDSIDE SLOPE 30

PALMER CREEK RIGHT BANK 121+00 TO 500+00 BOTTOM OF Rrv'ERSIDE SLOPE 30

PALMER CREEK RIGHT BANK 121+00 TO 500+00 BOTTOM OF LANDSIDE SLOPE 30

PALMER CREEK LEFT BANK 122+00 TO 319+00 BOTTOM OF Rrv'ERSIDE SLOPE 30

PALMER CREEK LEFT BANK 122+00 TO 319+00 BOTTOM OF LANDSIDE SLOPE 30

PALMER CREEK LEFT BANK 325+00 TO 491+00 BOTTOM OF Rrv'ERSIDE SLOPE 30

PALMER CREEK LEFT BANK 325+00 TO 491+00 BOTTOM OF LANDSIDE SLOPE 30

I CROWN EROSION RESTORATION CROWN EROSION RESTORATION

> STATION DEPTH (FEET) STATION DEPTH (FEET'

MAIN STEM 150+00 TO 283+00 SEE NOTE 6 PALMER CREEK RIGHT BANK 268+00 TO 298+00 0.5

I MAIN STEM 338+80 TO 580+00 SEE NOTE 3 PALMER CREEK RIGHT BANK 304+00 TO 314+00 1.0

> MAIN STEM 580+00 TO 630+00 2.0 PALMER CREEK RIGHT BANK 314+00 TO 331 +00 0.5

MAIN STEM 630+00 TO 637+60 4.0 PALMER CREEK RIGHT BANK 331+00 TO 333+00 2.0

I MAIN STEM 641 +45 TO 706+40 2.0 PALMER CREEK RIGHT BANK 333+25 TO 400+00 SEE NOTE 6

> MAIN STEM 720+00 TO 726+00 2.0 PALMER CREEK RIGHT BANK 402+30 TO 407+20 1.0

MAIN STEM 731 +00 TO 739+00 2.0 PALMER CREEK RIGHT BANK 408+80 TO 445+00 SEE NOTE 3 I LOWER CHARITON 22+00 TO 38+50 0.5 PALMER CREEK RIGHT BANK 445+00 TO 463+00 2.0 3

LOWER CHARITON 38+50 TO 43+50 2.0 PALMER CREEK RIGHT BANK 463+00 TO 463+25 10.0

LOWER CHARITON 43+50 TO 50+00 1.0 PALMER CREEK RIGHT BANK 463+25 TO 469+75 2.0

I LOWER CHARITON 53+00 TO 56+00 1.0 PALMER CREEK RIGHT BANK 469+75 TO 470+00 10.0

LOWER CHARITON 68+00 TO 69+00 2.0 PALMER CREEK RIGHT BANK 470+00 TO 500+00 2.0

LOWER CHARITON 74+00 TO 75+00 2.0 PALMER CREEK LEFT BANK 122+00 TO 205+00 SEE NOTE 3

I LOWER CHARITON 79+00 TO 80+00 2.0 PALMER CREEK LEFT BANK 210+00 TO 218+00 0.5

2. AREAS WITH CROWN EROSION WILL BE DEGRADED TO A DEPTH BELOW THE LIMITS OF THE EROSION. DEGRADED SOIL AND BORROW MATERIAL WILL BE USED TO RESTORE THE LEVEE TO GRADES SHOWN ON RECORD DRAWINGS. •

LOWER CHARITON 92+00 TO 93+00 1.0 PALMER CREEK LEFT BANK 219+00 TO 242+00 0.5 AFTER ALL FILL IS PLACED, 6 INCHES OF AGGREGATE SURFACE COURSE WILL BE PLACED ON THE CROWN AND ALL OTHER AREAS DISTURBED SEEDED AND MULCHED PER SPECIFICATION SECTION 32 92 19 SEEDING.

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3. PER TABLE TO THE RIGHT, SOME AREAS REQUIRE ONLY 6 INCHES OF AGGREGATE SURFACE COURSE PER 32 15 00.

4. REMOVE ALL AGGREGATE DEPOSITED ON LEVEE SLOPES. AGGREGATE MAY BE AMENDED/MIXED AND INCORPORATED INTO THE PROJECT WITH COR APPROVAL.

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

� PER TABLE TO THE RIGHT, SOME AREAS REQUIRE 1" OF 3/4" CLEAN AGGREGATE TOP COAT ONLY. TOTAL OF 3/4" CLEAN AGGREGATE NOT TO EXCEED 2,500 TONS. (DOES NOT INCLUDE AGGREGATE SURFACE COURSE IN OTHER AREAS.)

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SCALE: NTS

SLOUGH REPAIR SCHEDULE

STATION LEVEE HEIGHT (H) (FEET) LEVEE WIDTH (W) (FEET)

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MAIN STEM 71 +00 TO 76+50 10.0 25.0

LOWER CHARITON TIE-BACK 285+00 TO 286+00 12.0 10.0

LOWER CHARITON TIE-BACK 88+50 TO 94+50 9 0 10 0

PALMER CREEK LEFT BANK 185+50 TO 187+50 10.0 10.0

APPROXIMATE SLOUGH LIMITS PALMER CREEK LEFT BANK 190+75 TO 192+00 10.0 10.0

5'

2'

EXISTING LEVEE FILL ----

"---------, ________ _Y-

"'-EXCAVATION LIMITS

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1. PRIOR TO ANY EXCAVATION OR STOCKPILING OF MATERIAL, CONTRACTOR IS TO STRIP 6 INCHES OF TOPSOIL AND STOCKPILE WITHIN THE WORK AREA. FOLLOWING COMPLETION OF WORK, TOPSOIL

SHALL BE SPREAD AND SEEDED IN ACCORDANCE WITH THE SPECIFICATIONS.

2. TRANSITION FOR EXCAVATIONS AT 1V ON 1H MAX FROM EXCAVATION LIMITS IN REPAIR SCHEDULE.

3. MATCH TOP OF LEVEE ELEVATIONS IN REPAIR AREAS TO THE TOP OF LEVEE ELEVATIONS ADJACENT TO THE REPAIR AREAS. CONTRACTOR TO CONDUCT PRECONSTRUCTION SURVEY TO ESTABLISH

BASELINE CONDITION.

4. SEED ALL DISTURBED AREAS IN ACCORDANCE WITH SPECIFICATION 32 92 19.

5. EXCAVATED MATERIAL WILL LIKELY BE WET OF OPTIMUM MOISTURE CONTENT AND WILL REQUIRE DRYING PRIOR TO REPLACEMENT.

6. EXCAVATED MATERIAL FROM THE LEVEE SLOPE SHALL BE LIME MODIFIED PER SPECIFICATION SECTION 35 41 00 LEVEE CONSTRUCTION PARAGRAPH 3.9 SLIDE EXCAVATION AND REPAIR.

7. PRIOR TO PLACING BACKFILL, EXCAVATION SHOULD BE BENCHED IN ACCORDANCE WITH 35 41 02 PARAGRAPH "BENCHING" AND DETAIL D1/CS502 TO ENSURE GOOD CONTACT BETWEEN EXCAVATION

BACKFILL AND EXISTING LEVEE FILL.

8. SORT MATERIAL DURING EXCAVATION IF OTHER THAN IMPERVIOUS MATERIAL IS ENCOUNTERED SO ORIGINAL CROSS SECTION CAN BE RESTORED.

9. SLIDE REPAIR AREAS MAY INCLUDE EXISTING BERM MATERIAL NOT SHOWN ON THIS TYPICAL SECTION. BERM MATERIAL SHALL BE EXCAVATED AND STOCKPILED SEPARATELY FROM LEVEE FILL AND

TOPSOIL. BERM MATERIAL DOES NOT NEED LIME MODIFICATION.

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LOWER CHARITON 216+00 TO 223+00 2.0 PALMER CREEK LEFT BANK 242+00 TO 257+50 0.5

LOWER CHARITON 228+00 TO 230+00 2.0 PALMER CREEK LEFT BANK 261 +00 TO 290+00 0.5

LOWER CHARITON 285+00 TO 288+50 0.5 PALMER CREEK LEFT BANK 290+00 TO 296+00 3.0

PALMER CREEK RIGHT BANK 120+00 TO 234+00 SEE NOTE 6 PALMER CREEK LEFT BANK 326+00 TO 335+00 0.5

PALMER CREEK RIGHT BANK 234+00 TO 235+00 1.5 PALMER CREEK LEFT BANK 340+00 TO 365+00 0.5

PALMER CREEK RIGHT BANK 241+50 TO 268+00 1.0 PALMER CREEK LEFT BANK 409+00 TO 494+00 2.0

A • • • • • • • • • • • • • • •

TOE OF LEVEE--�--i

SURFACE CROWN OF RAMP

CENTERLINE OF RAMP - -

NOTE:

1 ON 3

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1. RAMP CENTERLINE NORMAL TO LEVEE CENTERLINE UNLESS OTHERWISE INDICATED

CENTERLINE OF LEVEE

REFERENCE STATION

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AMENDMENTS

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MIN. LIMITS OF 18IN SAND DRAIN

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24" RCP

FOR IMPERVIOUS AND RANDOM FILL)

LEVEE EARTHWORK SPECIFICATIONS

LOWER SIDE (MATERIAL MEETING

FLOTATION DURING FILL

TO PREVENT MISALIGNMENT AND

CONTRACTOR SHALL SECURE PIPES

TOP OF CLSM

SPECIFICATIONS

FOUNDATION PREPARED PER

SEE NOTE 2

SAND BAG SUPPORT,

18" MAX

6" MIN,

MIN.

1/3 Do

HAUNCH (ASTM C33 FINE AGGR.)

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OUTLET STRUCTUREEXISTING GROUND

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QUARRY RUN ROCK

QUARRY RUN ROCK

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SLOPE 0.5%

SEE NOTE 2

SPECIFICATION SECTION 33 40 00

INSTALL FLAP GATE ON OUTLET PER

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FILTER SAND BEDDING DETAIL

IMPERVIOUS OR RANDOM FILL

EARTHWORK REQUIREMENTS FOR

OVERFILL - MEETING LEVEE

E1 E4

SECTION

E6

SECTION

DRAINAGE STRUCTURE

712+51 OUTLET STRUCTURE DETAIL

CENTER REINFORCE 8" WALLS AND SLAB

REINFORCE #4 @ 12" EACH WAY.

NOTE:

FOR FLAP GATE, SEE SPECIFICATION 33 40 002.

CUT OR BEND REINFORCEMENT TO CLEAR PIPE OPENING1.

NOTE:

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SCALE: 1/2" = 1'-0" SCALE: 1/2" = 1'-0" SCALE: 1/2" = 1'-0"

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SCALE: NTS

CLSM PIPE SUPPORT DETAIL

4 FT LENGTHS SHALL HAVE ONE SUPPORT CENTERED ALONG THE LENGTH.

SAND BAGS AS SHOWN. THE SUPPORTS SHALL BE APPROXIMATELY 12" FROM THE PIPE ENDS.

3. 8 FT LENGTHS BEDDED WITH CLSM SHALL BE SUPPORTED AT TWO LOCATIONS WITH

2. SYMMETRIC ABOUT PIPE CENTERLINE.

1. CLSM REQUIRED FOR FULL PIPE LENGTH EXCEPT WHERE FILTER SAND IS LOCATED.

NOTES:

SHEET NOTES

A8 SCALE: NTS

OUTLET PROTECTION

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A5 SCALE: NTS

OUTLET PROTECTION

NOTE: SEE PLAN SHEETS FOR ELEVATIONS.

AMENDMENTS

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ACCORDANCE WITH SPECIFICATION SECTION 33 40 00.

PROVIDE FLEXIBLE GASKETED WATERTIGHT JOINTS ON RCP IN 3.

FOR CONNECTING PIPES TO JUNCTION BOX, CONFORMING TO ASTM C1478.

2. PROVIDE A-LOK PREMIUM OR APPROVED EQUAL WATERTIGHT CONNECTOR

SHALL CONFORM TO THE SPECIFICATIONS.

REINFORCING FOR PRECAST CONCRETE FLAT TOPS ARE NOT SHOWN BUT

REINFORCING FOR PRECAST CONCRETE MANHOLE WALLS AND 1.

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