HomeMy WebLinkAbout05.a. (Handout) Presentation from meeting Item 5.a.
(Handout)
J J
�n
STATE REVOLVING FUND (SRF) LOAN
STATUS FOR CAPITAL IMPROVEMENTS
SOLIDS HANDLING FACILITY
IMPROVEMENTS
Engineering & Operations Committee
October 12, 2021
Jean-Marc Petit, P.E.
Director of Engineering and Technical Services
I
SOLIDS HANDLING FACILITY IMPROVEMENTS
TARGETED SCOPE FOR SOLIDS PROJECT
1 2 4 6
a .
o
MODIFY MULTIPLE AIR POLLUTION NEW ASH ELECTRICAL CENTRIFUGE SOLIDS CONDITIONING
M
EXISTING
ODIFY HEARTH CONTROL HANDLING SYSTEMS DEWATERING BUILDING RETROFIT
SLUDGE FURNACES (NEW WET AND LOADOUT (LIMITED) SYSTEM (LIMITED)
BLENDING/ (SOME HEARTH SCRUBBERS)
STORAGE REPLACEMENT) Z
J x
1
INSTALLATION OF NEW WET SCRUBBERS
FOR REGULATORY COMPLIANCE
-
1, r -
e
y..
9 1`� � nsn,�dJ■I�1>,�r P r,�nii� � � � _,.�
■
L
13
RE-EVALUATE LONG-TERM PATH FOR
SOLIDS HANDLING AT CENTRAL SAN
Phase 1: Proceeding with
some key elements of the Phase 2: Re-Evaluate Long-
Solids Project Term Solids Handling
• Wet Scrubbers Hiring Consultant to
• Centrifuges Evaluate long-term
and Cake and Biosolids, including
Pumps Adding Anaerobic
• Refurbish Digestion and
Multiple Hearth
Biogas Co-Gen
Furnaces
Hearth and
Burner
Controls
A
2
FISCAL YEAR (FY) 2021 -22
CAPITAL IMPROVEMENT BUDGET
Solids Handling Facility Improvements Budget
® Budget-to- FY 2021-22 FY 2022-23 Future FYs Total
Date
® $1,000,000 $- $- $- $1,000,000
® 12,090,000 - - - 12,090,000
® 6,894,000 21,000,000 45,000,000 98,000,000 170,894,000
® $19,984,000 $21,000,000 $45,000,000 $98,000,000 $183,894,000
s
CENTRALSAN
r
STANDARD SRF LOAN SEQUENCE
Sign Initial SRF Bid Project . .
Agreement Contractor
Submit Final
• Loan Budget
Amount Amendment
Finalized Package
6
3
AMENDED CENTRAL SAN SRF
LOAN SEQUENCE
"ed Award to
Budget"($�$1711M) Contract
Reimbursement Submit Final
of Construction 0 Amendment
Payments (LowerAmount) Package
§ ;� ` 7
NEXT STEPS FOR SRF LOAN
APPROVAL OF RESOLUTION
• Notifications to the public in compliance with Government
Code 5852.1
•A declaration of the applicant's authority to enter into the
agreement
•A broad-based blessing of the agreement as being valid
and enforceable in accordance with its terms
•Authorization and direction to the authorized representative
and other relevant officials to enter into the agreement and
perform all acts necessary and proper for executing the
agreement and carrying out its terms
8
- CENTRALSAN
-
4
QUESTIONS?
a,
EXISTING SOLIDS HANDLING INCINERATION
WITH MULTIPLE HEARTH FURNACES
Energy&Waste Emissions
Heat to Steam hS.' Inventory/Controls END USE
'AL OPTIONS
• , .�
THICKENING DEWATERING LNGo
- to
BLENDING INCINERATION INERTASHPr
= By S.bl.puality:
Stable
Ste le
-St°ragerotan Issue
® New Technology , No Market
• NG:Natural Gas Existing Technology `°''
• LFG:Landfill Gas Newer
DISPOSAL: INERT ASH
10
5
ADD ANAEROBIC DIGESTION WITH INCINERATION:
(CWMP Solids Phase 2)
Electric
Power for Emissions
Electric � inventory/controis END USE
Blowers OPTIONS
THICKENING = DEWATERING
STABILIZATION = INCINERATION INERT ASH
eyProeumoa.iity:
same
deme
-Smrage rut an Issue
® New Technology ' No Market
DG:Digester Gas(Methane) Existing Technology `omm°"
Newer
f
DISPOSAL: INERT ASH (CURRENT PRACTICE)
PROGRESSION OF ANAEROBIC DIGESTION WITH
THERMAL HYDROLYSIS or COMPOST or
ELIMINATE INCINERATORS (CWMP Solids Phase 3)
Electric
ns
Power for �°°°°' t 4*&Waste '
Blowers _ END USE
THICKENING DEWATERING
0
Jj1TAB!11LI1ATION = CLASS A CAKE
Proauetna.iit,
-mw°moearere amm°mam°r .
-30h eolies
I-
PRE-DEWATERING THERMAL
HYDROLYSIS
MEETS 503 REQUIREMENTS: ® New Technology NO Market
PR ALT 1(Time& Existing Technology , Common
Temperature) Newer
-VAR OPT 1(38%VSR)
CLASS "A" CAKE OR GRANULES/PELLETS THERMAL
HYDROLYSIS
6