Exhibit C- As-Builts.pdf

PDF 2 MB Posted

Attached to
Rapid Infiltration Basins (RIBS) Rehabilitation: Three-Year Phasing State and local contract opportunity
Solicitation number
145460
Issued by
Osceola County, Florida

About this file

This is a Record Drawings document (Exhibit C) for the State of Florida's Rapid Infiltration Basins (RIBS) Rehabilitation solicitation (ITB-C007144) covering fiscal years 2027, 2028, and 2029. The document provides as-built technical specifications and site plans for the rehabilitation of rapid infiltration basins, including detailed construction requirements for basin preparation, grading, erosion control, and vegetation management. Key specifications include clearing and grubbing limits with sediment control measures using haybales or acceptable alternatives, installation of chain-link fencing (10-foot locations vary per drawings), and landscaping with Argentine Bahia grass and mulch on disturbed exterior areas. The basin bottom construction requires ripping the entire bottom to a minimum depth of 24 inches without compaction, with typical berm slopes of 4:1 unless otherwise noted, compacted granular fill lining, and loosely placed infiltration basin bottom fill. Site access includes a 14-foot swing gate providing access to an irrigation well.

The record drawings contain specific coordinate references, elevation data, and match lines for cross-referencing with additional sheets in the complete project documentation. Construction details address both interior and exterior berm roads with specified slopes of 2 percent, basin bottom elevations that vary per individual drawings, and exterior berm road grades that must match existing conditions. The document explicitly prohibits seeding, sodding, or sprigging within basin bottoms and requires all disturbed areas outside berms to be seeded with Argentine Bahia and mulched. These technical specifications and as-built drawings serve as the baseline requirements for bidders preparing proposals for the multi-year RIBS rehabilitation project.

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EXHIBIT C

AS- Builts

SOLICITATION NO.: ITB-C007144

SOLICITATION TITLE: Rapid Infiltration Basins (RIBS)

Rehabilitation for Fiscal Years 2027, 2028, and 2029

DOCUMENT TITLE:

Record Drawings

IMPORTANT NOTICE

This Exhibit is incorporated into and made part of the solicitation documents. Bidders/Proposers shall review all information and shall consider the requirements of this Exhibit when preparing and submitting their response.

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DOCUMENT NO

BASIN BOTTOM, ELEVATION

VARIES (SEE DRA WINGS)

EXSTING GROUND

NOTE: (12)

SEE DETAIL V.^

FOR UNING ACCESS

RAMP ANCHORAGE RAMP PROFILE

12" COMPACTED

GRANULAR FILL

SEE INTERIOR BERM

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ANCHORAGE D E T A / L X X

(TYP BOTH SIDES) ( 72 )

BASIN BOTTOM

GRAVEL PAD

VARIES 12' TO 16'

EXTERIOR BROOMED FINISHED

(TYPE S-5)

6x6 WELDED WIRE FABRIC -

CENTERED IN SLAB

CONCRETE RAMP SECTION

CONCRETE ACCESS RAMP

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NOTE: NUMBER OF ACCESS ROADS AT

INTERSECTION AND ACCESS ROAD

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(SEE DRA WINGS)

BERM ROAD CURVE

AND INTERSECTION DETAIL

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2' TYP,

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MATCH EXISTING GRADE (TYP)

EMBANKMENT & SUBGRADE

COMPACTED GRANULAR FILL

NOTES:

1. ALL GROUND OUTSIDE OF BASINS DISTURBED BY CONSTRUCTION SHALL BE SEEDED

W/ARGENTINE BAHIA AND MULCHED w/STRAW AFTER FINAL GRADING.

2. ALL SLOPES CONSTRUCTED AT 4' HORIZONTAL TO 1' VERTICAL SHALL BE

SODDED.

3. CONTRACTOR SHALL BE RESPONSIBLE FOR CONTROLLING ALL EROSION ON JOB SITE.

TYPICAL ACCESS ROAD SECTION ( 3

NTS

SAND PINE ALONG BERM TOP

AND SIDES AT 8'-12' CENTERS

TO THE UMITS SHOWN ON THE

SITE PLANS

TOP BERM EL. 120

VISUAL BARRIER BERM

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SLOPE

VISUAL BARRIER ON BASIN BERMS

VISUAL BARRIER CROSS SECTION ( 4

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LOCATION OF "RESTRICTIVE LAYER" TO BE DETERMINED

BY ENGINEER DURING DRILUNG

NOTES:

1. CONSTRUCT A PAIR OF GROUNDWATER

LEVEL PIEZOMETERS (DEEP AND

SHALLOW) WITHIN 10' OF THE

THE LOCATIONS SHOWN ON THE

y WATER TABLE DRAWINGS.

2. THE ENGINEER WILL DETERMINE

WELL THE DEPTH OF THE PIEZOMETERS

SCREEN DURING DRILUNG.

ASSEMBLY

SAND PACK

(20y30)

DEEP

GROUNDWATER LEVEL PIEZOMETERS

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10' LOCATION OF CHAIN UNK FENCING VARIES (SEE DRAWINGS) 10'

SOD OUTSIDE BERM SLOPE WITH ARGENTINE BAHIA CRASS

NOTE: NO SEEDING.SODDING,

OR SPRIGGING PERMITTED

IN BASIN BOTTOM.

BERM BASIN BOTTOM BERM

SEED WITH

ARGENTINE BAHIA

AND MULCH

ALL OTHER

DISTURBED AREAS,

TYPICAL

DETAILS FOR INFILTRATION BASIN - CLEARING AND GRASSING

N. TS.

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SLOPE

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SHOWN

OTHERWISE.

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ALL OTHER

DISTURBED AREAS,

TYPICAL

BASIN BOTTOM ELEVATION

VARIES (SEE DRAWINGS)

RIP LOOSE THE ENTIRE BASIN

BOTTOM TO A MINIMUM DEPTH

OF 24" AT THE COMPLETION

OF BASIN BOTTOM CONSTRUCTION.

DO NOT COMPACT THE BASIN

BOTTOM.

(£ INTERIOR BERM ROAD, SEE DETAIL ( 8

6' (TYP)

TOP OF BERM ELEVATION

VARIES (SEE DRA WINGS)

MAXIMUM ON

FILL SLOPES

UMIT OF CLEARING

VARIES (SEE DRA WINGS)

COMPACTED GRANULAR FILL

. LINING. SEE

DETAIL

. LOOSEL Y PLACED INFIL TRA TION

BASIN BOTTOM FILL

TYPICAL INFILTRATION BASIN SECTION 7 RECORD DRAWINGS

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INFILTRATION BASIN

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4" SAND-CLAY BASE COURSE

6" COMPACTED GRANULAR FILL

SOD

4" STABILIZED UMEROCK

4" SAND-CLAY BASE COURSE

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^ HYPALON LINING

6 COMPACTED^

GRANULAR FILL

,SO/L CEMENT SLOPE

STABILIZATION. TYP

HYPALON LINING

INTERIOR BASIN BERM 8

N.TS.

NOTE: SEE SHEET NO. 42A

6" COMPACTED GRANULAR FILL

HYPALON LINING AND

UNDERL YING MA TERIAL

SEE DETAIL

BASIN OVERFLOW WEIR SECTION ( 9

4" UMEROCK

SURFACE COURSE-

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GRANULAR FILE

PLAN

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STABILIZED

UMEROCK

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UMEROCK

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HYPALON

UNING

SECTION

BASIN OVERFLOW WEIR DETAIL (10

N.TS.

ACCESS ROAD.

SEE DETAIL

EXTERIOR BASIN SLOPE

4:1 TYP. UNLESS

SHOWN OTHERWISE

4" UMEROCK SURFACE COURSE

4" SAND-CLAY BASE COURSE

COMPACTED GRANULAR FILL

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INTERIOR BASIN SLOPE

SOIL CEMENT SLOPE

STABILIZATION, TYP

HYPALON UNING

EXTERIOR BASIN BERM

INFIL TRA TION

BOTTOM FILL,

BASIN

TYP

SST EPOXY ANCHOR

J/S'x 4", 18" O.C.

SST WASHER

1/4" X 2" SST BATTEN

CONCRETE

ACCESS

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•'SEE DETAIL f ; ) y

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SOIL CEMENT- '

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LINING-ACCESS RAMP ANCHORAGE ( 12

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O.C. AROUND ENTIRE

BASIN PERIMETER,

2" DIA HOLE W/FLAP

(TYP) SEE VENT SECTION

DETAIL

HYPALON UNING

TOE OF SLOPE

-2" DIA VENT INSTALL FLAT

VENT SECTION

HYPALON SLOPE VENT(I3)

NTS V A

RECORD DRAWINGS

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SHEET NO. 4 2 REV. 1

- DELETE THIS SECTION OF GRANULAR

FILL, SAND-CLAY AND UMEROCK.-

PUNCH 1/2" HOLES

IN LINER IN WEIR

SECTION ON 2'

CENTERS AND AT

OBVIOUS LOW POINTS.

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CUT HOLES IN UNER AS PER

DETAIL.

CONSTRUCT ROAD AS

DESIGNED EXCEPT SLOPE

EDGE TO A STRAIGHT

UNE ALONG THE HYPALON

UNER.

PLACE SOD ON BOTH

SLOPES.

INTERIOR BERM (EXCLUDING WEIR)

NOT TO SCALE

DELETE THIS SECTION

OF GRANULAR FILL,

SAND-CLAY AND

UMEROCK.

SOD UNE TO MA TCH

EXTERIOR BERM (TYP.)

UMEROCK

SAND-CLAY

2)

CONSTRUCT ROAD AS

DESIGNED EXCEPT SLOPE

EDGE TO A STRAIGHT

UNE ALONG THE HYPALON

LINER.

PLACE SOD ON THE

CRE A TED SLOPE.

STABIUZED UMEROCK

AS PER ORIGINAL DESIGN

12' ROAD

AS PER ORIGINAL DESIGN

CUT 2" HOLES IN

° UNER ON 2' CENTERS °

UNDER UMEROCK

ROAD

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ORIGINAL DRAWING

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SHEET NO. 42A REV.

[) PREUMINARY

DOCUMENT NO

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