MRF_Stormwater_Treatment_System_Conceptual_Plan.pdf
PDF 1 MB Posted
- Attached to
- MRF Stormwater Treatment System
- Solicitation number
- RFP No. PW-0175
- Issued by
- Santa Cruz County, San Francisco City, California
About this file
The document is a Conceptual Plan prepared by the City of Santa Cruz Public Works Department for a Temporary Treatment System Location at their Materials Recovery Facility (MRF). The plan outlines a stormwater treatment system designed to handle flow from the recycling yard and parking lot, with a capacity to treat up to 400 gallons per minute (GPM). The system will include Baker tanks (20,000-gallon capacity each), sand filters, generator and fuel cell, controls/sampling ports, and a diversion box. The project area covers approximately 25' x 150', with a planned rental period of five months.
The conceptual plan specifies technical details for the treatment system, including an Oldcastle Precast diversion box, sampling ports for influent, midpoint, and effluent monitoring, and provisions for sump pumping. The system is intended to meet Industrial General Permit (IGP) requirements, with the contractor having flexibility in layout within the designated work/staging limits. Specific infrastructure components include approximately 50' of storm drain pipe, 100' of additional piping, and provisions for preventing tank overflow through strategic water diversion.
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Text version
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4'-0" 4'-0"
4'-0"
6"
OLDCASTLE
PRECAST KOB-3636
EMBED BOX 6
INCHES IN
CHANNEL
4"OUTLET
6"
REFERENCES
DRAWING #:
FIELD BOOK:
DESIGN
CHECKED
DATE
DRAWN
VAULT NO.
SCALE
SHEET OF
P U B L I C W O R K S D E P A R T M E N T
809 Center Street, Room 201 Santa Cruz, CA 95060
REVISIONS
C I T
Y O F S A N T A C
R U
Z
C
A L I F O R N
I
A
1866 CRUZATNAS
C I T Y O F
CONCEPTUAL PLAN
SYSTEM LOCATION
TEMPORARY TREATMENT
STAFF
STAFF
STAFF
8/22/2024 AS SHOWN
1 1
GENERATOR
FUEL CELL
GENERATOR
BAKER TANKS
20,000 GALLON CAPACITY EACH
APPROX. DIM 48' x 8.5'
SUMP LOCATION
SEE NOTE 1
(DIVERSION BOX)
SAND FILTERS
(PROVIDED BY CITY)
CONTROLS/SAMPLING
PORTS LOCATION
LIMITS OF WORK/STAGING
1. ALL STORMWATER FROM IMPERVIOUS AREAS OF THE RECYCLING YARD AND PARKING
LOT IS COLLECTED AT THE DIVERSION BOX. THE DIVERSION BOX IS DESIGNED
TO OVERFLOW ONCE FLOW EXCEEDS 400 GPM.
2. TREATMENT SYSTEM LAYOUT DOES NOT NEED TO MATCH DESIGN SHOWN, THE AREA
FOR THE SYSTEM IS ROUGHLY 25' x 150'. THE CONTRACTOR MAY UTILIZE THE
AFOREMENTIONED SPACE AS THEY SEE FIT.
3. TREATMENT SYSTEM MUST HAVE SAMPLING PORTS FOR INFLUENT, MIDPOINT, AND
EFFLUENT FLOWS.
4. A SUMP WILL BE REQUIRED TO PUMP WATER FROM THE DIVERSION BOX TO THE
INFLUENT BAKER TANK. SUMP PUMP AND ASSOCIATED PIPING TO BE INSTALLED BY
THE CONTRACTOR.
5. SANDBAGS SHALL BE PLACED TO DIVERT WATER INTO A SD PIPE AS A PREVENTATIVE
MEASURE FOR BAKER TANKS OVERFLOWING.
NOTES:LEGEND
MAJOR CONTOUR
MINOR CONTOUR
LIMIT OF WORK
(E) STORM DRAIN
(N) STORM DRAIN
(E) SD CATCH BASIN
(E) DIVERSION BOX
SD
SD
APPROX. 50' OF SD PIPE
SEE NOTE 5
INFLUENT 24"
ADS SD PIPE
INFLUENT 8" ADS SD PIPE
DIVERSION BOX
NOT TO SCALE
APPROX. 100' OF PIPE
SEE NOTE 4
25'
150'
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AutoCAD SHX Text
AutoCAD SHX Text
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