HomeMy WebLinkAboutStaff Report 1.A 11/13/2017Dredging
Workshop
City of Petaluma City Councii
Presented By'.
Dan
Jason Beatty, P.E., Senior Engineer
Acknowledgements
Opportunities
c, Congressman Huffman
USACE P3/P4 Partnerships
Supervisor Rabbit
Beneficial Use of Dredge
Regional Partners
Material
Resiliency and Bay
. ® ® Conditions
Restoration 1
San Francisco Bay
Restorationtxisting
Commission
Progress
Funding
a;aPetaluma River
BCDC Rules Review
San Pablo Bay Region
Citizen & Business Support
FloodLocal riSupport
Two Prong Strategy
USACE Processs
Next Steps
Regional "Skin
Fourteen mile (fu pper
14
Channel 7) portion with
ing INSET A
Turn:Basin from
Petaluma City
southward toward the
Hwy 37 Bridge
Five mile "Across the
Flats" (ATF) portion
from Hwy 37 bridge to
deeper water within
San Pablo Bay
77 0 G7 =6 R I
DISPOSAL SITE
21, 0 11. Sk %k*
11
INSETA
TURNING
BASIN
PETALUMA
MARINA
IQty respon5ibihty)
14
13
SHOLLENSERGER
DREDGE MATERIAL
WPOSALarre 12
/--,PETALUMA
IVER MOUTH
2
�_t ? WE
R
SAN PABLO
BAY
SF -10
Petaluma
r€1� �' ,�;� tat; � q: � ;�a,# i� s� €
First federal
e rR + authorization -1930
Rivers a n .,.
Harbors
Four yeardredninschedule
Upper Portion �y3raulic) and three year cycle for
Across the Flats portion (clamshell
dredging)
Authorized u per channel depth varies from 4 tow?*,
feet and widt varies from 50 feet to 100 feet
The Turnin Basin is located upstream of the u per
Portion anTis 300 "' by 400 feet and 8 feet Teep
approximatelyThe Across the Flats portion is
miles long d 200 feet
x i s t i n g C o n d if ?; o n
t,
Last Full Dredge: 2003
P, Commercial Tonnage Down
_,1 2008-2012 avg - 423k short tons
IF Yachting Events Down
PYC Cancels Memorial Day
Regatta
Fiscal Impact on the
Downtown and Citx, Marina
y
Siltation Increases Potential
f,&, r C:i it w,
WATERWAY
2008
2009
2010
2011 2012
Carquinez Strait
24,397
21,923
20,597
23,478
25,813
Middle River
0
0
0
25
0
Mokelumme River
0
0
0
24
0
Old River
0
18
59
12
0
Sacramento
Total Waterways in
123,69
112,94
110,06
120,90
Deepwater Ship
825
490
385
357
414
Channel
Sacramento River
889
611
657
768
691
San Francisco Bay
Entrance
67,309
62,960
62,658
65,075
67,971
San Joaquin River
3,783
3,346
3,438
5,458
5,833
San Pablo Bay
26,490
23,491
22,269
25,705
28,497
Total Waterways in
123,69
112,94
110,06
120,90
129,22
Ca[lfornla
2
0
1
3
1
Petaluma River
712
398
310
381
318
Cargo (in
1,000 short tons) by California Waterway
T'111
�rogress and Opportunities
Petaluma River -North Bav Small Channels
Dred e Material Management Plan Napa River Dredged - 2016
teve�opment - 2015
Final EA & EIR for Maintenance
Dredging of the Federal Navigation
Channels in San Francisco Bay for FY"s
201S-2024
Army Civil Works Program FY 2017
Work Plan for O&M
$600,000 for Environmental permitting &
Construction Documents for Dredging
USACE (note: IntrocYuceiames YodyBoyette,
Project manager)
Pre -solicitation activities
Sediment Testing & Nan
Shoaling Analysis
DMMO application
Permitting
rnnctmrtinn nnrc
San Rafael Channel Partially Dredged
- 2012
Creation of San Francisco Bay
Restoration Authority (SFBRA) and
Measure AA
$25Million/yr for next 20years
For Beneficial Re -use of Dredging Material
e Beneficial Re -use sites
Cullinan Ranch Successfully Takes Dredge
Material from Richmond Harbor
Bel Marin Keys Project Continues to
Beneficially Use Dredge Material
Future site at Skaggs Island
USACE Dredging Progress
Manager
I Update on Progresl
BUILDING TAKING CARE OF PEOPLEo
11-g Napa Purids
Island
Sear
' lalt Sit e
p
Point
Project Acres 'Babia
fr
South Bay 15,100
,,io Rauch
Napa Ponds 9,800 1 lamil
Skaggs Island 4400
ori ev
Hamilton't"EM
MonteZU 111a 2,300
Present
Bair Island 1,600 Lake Aterril I
CUllinan Ranch 1,600
Napa Plant Site 1 400 F
Sears Point 1,400
.3
Eden Landing 830
Tidal
.r
Flat
And ...
Tidal
air IshmdSalt Potidw
.;
� e
I iT Re -Use p
Challenge
tti dredge material from barges
to et and sites
Offloader
Pumps, piping and barge system
0
4 T`
y.M1�
EIIHPBIT
c £tA1RIR_V R13hKxv.
,0%f4URL�F4AY � ..
4h47JASiT¢'1'a s„ -e w¢®w .. •�i+xBt
K
Strategy -T
o Prong
o
0 JF .
0,
itUNI U11,
Low Priority Due to Low
` `.
Regio
Game'
Costs High Due to
Environmental
No Change
in r; r
Levels
Dredging
Partnership Saves
Federal Money,
Favorable
P3/4 Proposa,`,`
USACE Encouraged Submittal -
Now on Hold Due to Current
Executive Order
5 -Party Coalition: City, SCWA,
Marin County, San Rafael, Napa
Flood Control District
Premise.* Coalition controls
offloading operations to
beneficial use site saving
USACE money by assuring
better bid prices. Saving used
by USACE to routinely dredge
three shallow channels of the
San Pablo Bay
Achieves 5 -year dredging cycli
E41
Requires regional coalition and
regional dredging revenue;
and long-term service contract
with offloading contractor
Requires Local Funding and Financial
Cortrijuvewits
Regional costs estimated at 0-
67% of cost of "doing it alone"
based on economic
I I -4-P G I. - d, I L4, rl.! UY�a'C�Mpmklt!Zl Am Mi, :M.t T�J: I' VA"! 7VO Z t,i, A — ,M,'r "Ydl 71 f,7fM 1 47 :ld QPJ
AGIA AWBJE DREMED MATE R.41-
9EHANDUNGSrIE
EXTENT POURE 2
r - - - - - - - - - - - - - - - - - - - - - - - - - - -
GC�OELLIIOERGER PkRY,
RE �ANDUNIG SITE
EDGERLY ISLAND DEDGED
REHANDLINGSITE
7
L
E
SF4
E.
EXTENT FIOURE 2
I
7 - - - - - - - - - - - - - - - -- - - -
- - - - - - - - - - - - - -
EXTENT MURE 4
INDEX MAP. SAALLO'A' DRAFT
CHANNELS AND DREDGED MATERIAL
MANAGEMENT OPTIONS
,',a FA i VA h)"Fi! ELMO owmawwww"
9X >,p F.
SA 2 2 lJ.AF 0 U R,:l E: E R I FIGJRE I
. . .. ... . ........ .
.. .... . ....
IS
P3/4 Proposal Scenario
Hamill on!"Bel \ la iii Koy,
DUCKS
UNLMTED
Wetland Restoration Site
manaqer
Provide guaranteed capacity
Set Tipping fee
LI
U
Is
W A,r E R
or
-0 Q.
Coalition of Aqencies for
Dredgg the Shallow Draft
Channels of San Pablo Bay
• Lead agreement
formation
• Provide 0-50% of upfront
offloadequipment
costs
Manage contract
Dredclinq
Contractor
Provide 50%-100% of
upfront cost of off -loader
Agree to set fees for offloading
Operate and maintain equip
Long-term Contract
U.S. Armv Corps
® commit to 5 -year
interval to dredge
shallow draft channels
of San Pablo Bay
• Agree to use sitea
off-loading coi Ctor
IN
Traditional USACE Maintenance
Approach
USACE to Continue EngineerinL'
Process il
City IR.. Ensure Shollenberger ready
to receive sediment
Identify beneficial re -use receiving
site
Ir Get agreement in place
art
P3 involvement on -hold until Agency
policy in place
Solidify Coaon Partnership thru
JPA or other suitable means
Create Annual Revenue for Dredging
Marina & Flood Project Dredging Develop details of P3 Proposal
Hydrographic survey
Sediment sampling/plan Identify Wetland Enhancement
Begin Permitting Process Project Partner
Leverage with USAGE dredging Identify Contractor Partner for Off-
loading
Identify Funding for Flood Control Quantify Costs & Contract Terms for
Project and Marina Offloader
Measure AA Grant Application
Continue to work with USACE on
P3/4 Proposal