Biscayne Bay Coastal Wetlands Federal CERP Project, and SFWMD Expedited Construction, Update

John Shaffer, P.M.P., Project Manager Lead, Project Coordination Division, Everglades Restoration and Capital Projects

South Miami-DadeIssues Coordination Meeting November 22, 2010

Presentation Overview

Overall Project Objectives

Overall Project Constraints

Alternative O Summary

Alternative O - Phase I Project Features

SFWMD Expedited Construction Update

Federal CERP Project - History and Status

Federal CERP Project Next Steps

Project Objectives

Improve quantity, quality, timing and distribution

Re-establish productive nursery habitat

Redistribute freshwater flow and minimize point source discharges

Preserve and restore natural coastal glades habitat

Re-establish connectivity between the coastal and adjacent wetlands

Improve near-shore and saltwater wetland salinity regimes

Project Constraints

Maintain existing levels of flood protection

Not adversely affect existing legal users of water

Avoid adverse impacts to protected species

Placeholder for New map

Alternative O – Summary

Possible Features

13 pump stations

4,700 feet of piping

7 miles of spreader canals

5 miles of levees

10,134 acres of flowways

Projected Cost $534M

Alternative O - Phase I Project

Deering Estate Cutler

Wetlands L-31E North Canal

Freshwater Wetland

Estimated Cost $174M

Homestead

Air Force Base

Biscayne Bay

DeeringEstate

L-31 EastFlow-way

CutlerWetlands

S-D1

S-708

S-707

S-712B

S-706C

S-706B

S-706A

S-712A

CC-H6 (A8 S-23D)

CC-H6 (A8 S-23C)

CC-H4 (A8 S-23B)

CC-H4 (A8 S-23A)

S-710

S-700

S-705

S-709S-711

S-703

S-701

1

STAT

E H

WY

821

SW 248TH ST

SW 168TH ST

SW 216TH ST

STATE HWY 994

SW 268TH ST

SW 117TH

AVE

SW 184TH ST

SW 137TH

AVE

SW 77TH

AVE

OLD C

UTLER R

D

SW 152ND ST

CARIBBEAN B

LVD

STATE HWY 992

SW 1

27TH

AVE

SW 112TH

AVE

SW 107TH

AVE

SW 160TH ST

SW 8

2ND

AVE

SW 97TH

AVE

BAILES RD

FRANJO RD

SW 232ND ST

SW 1

16TH

AVE

SW 1

32N

D A

VE

W D

IXIE

HW

Y

TALL

AHAS

SEE

ST

SW 288TH ST

SW 174TH ST

211TH BLVD

SW 164TH ST

87TH

AVE

SW 200TH ST

STATE HW

Y 821

SW 1

12TH

AVE

SW 152ND ST

SW 184TH ST

SW 127TH AVE

SW 8

7TH

AVE

SW 1

37TH

AVE

C-701

C-7

11E

C-7

02

C-7

02

C-7

11W

CC-D3

C-102

C-1

C-1N

C-103

C-1W

C-100

L-31

E

C-1

02N

C-1

00A

C-103N

C-100B

MILITARY CANAL

L-31

E

S21

G114

S179

S20F

S20G

S21A

S123

S122

S149

S118

S195

S165

S148

Biscayne Bay Coastal WetlandsAlternative "O" Phase 1

Map Date: July 31, 2008Map Author: Laura Biddison, CERP Map Technician

Map Location: \\cerp\projects\GIS\PROJ_28\map_docs\cmn8976_PIRUpdate\PIR08_Sec06_Fig6_1_P1_Regions_cmn8976.mxd

0 0.5 10.25

Miles

Legend

Alternative "O" Phase 1 Features

Potential Structures

Box Culvert

FPL-Installed Culvert

Flap-Gated Riser Culvert

Flume

Gated Structure

Inverted Siphon

Pump

Riser Culvert

Spreader Box

Weir

Potential Improvements

Canal Enhancements

Conveyance Channel

Ditch Filling

Pipe

Seepage Ditch

Spreader Canal

Potential Areas

Rehydrated Wetlands

Vegetation Removal

Wetland Restoration

Other Features

SFWMD Structures

Culvert

Spillway

Weir

Existing Canals

Highway

Local Roads

Acceler8 Projects

CERP Projects

Biscayne Bay National Park

SFWMD Expedited Construction

On October 14, 2004, in the presence of the USACE, Department of Interior, Council on Environmental Quality and other state, local and federal partners, the SFWMD entered into an agreement to expedite implementing portions of eight critical CERP projects, including Biscayne BCW

SFWMD has completed 100% Design Plans for the expedited portions of the Deering, Cutler Flowway and L-31E project components

SFWMD has received all required permits for the expedited portions of the Deering and L-31E Flowway components

SFWMD has completed 100% of the construction for the expedited portion of the L-31E project component (four culverts)

SFWMD expedited construction of a 500-foot extension of the C-100A Spur Canal

SFWMD expedited construction of a 100-cubic feet per second (CFS) pump station (S-700) to withdraw water from C-100A Spur Canal

SFWMD expedited installation of 538 linear feet of 60” pipe downstream of the pump station

SFWMD expedited construction of a spreader structure for discharges to the coastal wetlands located within the Deering Estate

Deering Estate

SFWMD expedited construction of a 400-CFS pump station (S-701) on the C-1 Canal

SFWMD expedited construction of a 1.3-mile-long lined conveyance canal to deliver water from the pump station to a proposed spreader

SFWMD expedited installation of box culverts under SW 97 Ave, SW 87 Ave, and L-31E

SFWMD expedited construction of a two-mile-long spreader canal

USACE to construct remaining portions of spreader canal and plug 2,500 LF of remnant mosquito ditches

Cutler Flowway

L-31E Flowway

SFWMD expedited installation of four flap-gated culverts (S-23A, S-23B, S-23C, & S-23D) to discharge from L-31E to saltwater wetlands East of L-31E

USACE to construct a 50-CFS pump station (S-703) on L-31E, with outlet spreader

USACE to construct a 100-CFS pump station (S-705) on L-31E to discharge south to L-31E

USACE to construct a 40-CFS pump station (S-709) to discharge from C-103 north to L-31E, and install an inverted siphon (S-707) at Military Canal to isolate it from L-31E

USACE to install six remaining flap-gated culverts (S-706A, S-706B, S-706C, S-708, S-712A, and 712B) to discharge from L-31E to saltwater wetlands

USACE to construct a 40-CFS pump station (S-711) and spreader canal (C-711) to deliver water from C-103 to freshwater wetlands south of C-103

USACE to construct 40-CFS pump station (S-710) to deliver water from C-103 to freshwater wetlands south of C-103, via spreader structure

L-31 E Flowway (Cont.)

SFWMD Expedited Construction Update

L-31E:

S-23A, S-23B, S-23C and S-23D culvert installation completed in June 2011

Deering Estate:

Notice to Proceed issued April 2010

21.5% complete as of October 2010

Anticipated completion date June 2011

Cutler Flowway:

Not currently funded in FY11

Federal CERP Project History and Status

July 2002 – Initiated planning effort

January 2008 – USACE Headquarters approves incremental PIRs, with Alternative O - Phase I as the Tentatively Selected Plan (TSP) for PIR-1

May 2009 – Draft PIR for the TSP was published

Final PIR is currently waiting resolution of a policy issue regarding agrochemical cost-sharing

Federal CERP Project Next Steps

Establish Agrochemical Policy Hold Civil Works Review Board Briefing Revise Final PIR per Coastal Wetlands Review Board

(CWRB) Comments Transmit and Publish Draft Final PIR Respond to Public and Agency Comments File Final PIR Submit Chief’s Report OMB Review Record of Decision Rulemaking for Protection of Water Project Partnership Agreement Congressional Appropriations

Questions?