CA Review GH
Meeting Date: March 7, 2023
To: Mayor/President and City Council/Board Members
From: Scott Chadwick, City Manager/Executive Manager
Staff Contact: Dave Padilla, Utilities Engineering Manager [email protected], 442-339-2356
Neil Irani, Utilities Associate Engineer
[email protected], 442-339-2305
Subject: County of San Diego Well Permits and Encina Wastewater Authority Special Use Permit Applications, Including for the Kelly Drive Sewer Replacement Project
Districts: All
Recommended Actions
1. As the City Council, adopt a resolution authorizing the filing of permit applications and execution of indemnity agreements for County of San Diego and Encina Wastewater Authority permits.
2. As the Board of Directors of the Carlsbad Municipal Water District, adopt a resolution authorizing the filing of permit applications and execution of indemnity agreements for County of San Diego and Encina Wastewater Authority permits.
3. As the City Council, adopt a resolution authorizing the filing of permit applications and execution of indemnity agreements for County of San Diego and Encina Wastewater Authority permits for the Kelly Drive Sewer Replacement Project.
Executive Summary
The Kelly Drive Sewer Replacement Project requires two permits, a well permit from the County of San Diego and a special use permit from the Encina Wastewater Authority. The permit applications require the city, as the responsible party, to indemnify the County of San Diego and the Encina Wastewater Authority.
The authority to indemnify the County of San Diego or the Encina Wastewater Authority rests with the City Council or the Carlsbad Municipal Water District Board, though may be delegated to the City Manager or the Executive Manager, as provided in the section of the Carlsbad Municipal Code that details the powers and duties of the City Manager, Section 2.12.035, subsection (L).
March 7, 2023
Item #5 Page 1 of 22
9 .
.
.
JOINT CITY COUNCIL AND
CARLSBAD MUNICIPAL WATER DISTRICT
Staff Report
These standard permit applications are not unique to the Kelly Drive Sewer Replacement Project. They can occur on any project that requires trenching. Staff would like to streamline the filing of these applications for future Capital Improvement Program projects and are requesting the City Council and the CMWD Board delegate the authority to the City Manager or Executive Manager to sign these standard permit applications when they are:
• Necessary for the evaluation of site conditions in connection with the planning, design phase investigations or construction of Capital Improvement Program project • Recommended by the City Engineer, Deputy City Engineer or District Engineer • Approved by the City Attorney’s Office
To move the Kelly Drive sewer project forward and to expedite the permit process so other construction projects that have been approved by the City Council and the CMWD Board are not delayed in the future, staff recommend:
• The City Council adopt the proposed resolution attached as Exhibit 1, which authorizes the City Manager to sign standard jurisdictional agency permit applications on behalf of the city when the criteria listed above are met.
• The CMWD Board adopt the proposed resolution attached as Exhibit 2, which authorizes the Executive Manager to sign standard jurisdictional agency permit applications on behalf of CMWD, again, only when the criteria are met.
• The City Council adopt a third resolution attached as Exhibit 3 providing the approval specifically needed for the Kelly Drive Sewer Replacement Project.
Explanation & Analysis
Kelly Drive Sewer Replacement Project
This project will replace 580 feet of 12-inch diameter sewer pipe with new 15-inch diameter pipe and rehabilitate three sewer access holes along Kelly Drive, immediately south of El Camino Real (Exhibit 4). As authorized by the City Council, the project is currently out to bid with an anticipated construction start in the summer of 2023.
The project is anticipated to require water to be pumped out of the trench and discharged into the wastewater collection system. The following two permits are necessary to allow these activities to occur:
• A County of San Diego well permit for installation of groundwater monitoring wells (Exhibit 5)
• A special use permit from the Encina Wastewater Authority to allow water to be pumped out of the construction site (Exhibit 6).
County of San Diego well permit
The San Diego County Department of Environmental Health and Quality enforces state standards related to wells. It requires a permit for wells dug to monitor groundwater, which is required for the Kelly Drive project and many similar projects that require trenches to be dug.
The application for this permit must be completed and signed before the well can be installed, and it requires the party responsible for the well, such as the city or CMWD, to indemnify the county from claims arising from or connected to the issuance of the permit.
Encina Wastewater Authority special use permit
Discharging groundwater or surface runoff to the Encina sewer system operated by the Encina Wastewater Authority is only allowed by a special use permit, which sets pretreatment standards and requirements. One of these requirements is an indemnity agreement that holds March 7, 2023
Item #5 Page 2 of 22
the Encina Wastewater Authority and its member agencies harmless from all costs, claims and/or damages arising out of or related to the discharge of the treated groundwater. The permit application must identify the source and amount of discharge constituents and characteristics, as determined by a state-certified laboratory.
Fiscal Analysis
The estimated County of San Diego well permit application fee is $1,408, and the fees for installation, groundwater sampling and destruction of two wells upon completion of the sampling are $33,640. There are no fees for Encina Wastewater Authority special use permits.
The total estimated costs for the Kelly Drive Sewer Replacement Project for two monitoring wells, including permit application fees, are $35,050, and sufficient funds are available in the Capital Improvement Program project budget as summarized in the table below.
The fees for permit applications and for well installation, groundwater sampling and testing would be included in the budgets for future projects, and paid by the budget for the individual project needing the permits. The amount of the fees would be similar to the ones listed above for the Kelly Drive Sewer Replacement Project.
Options
The City Council has already approved putting the Kelly Drive Sewer Replacement Project out for bids and there is funding for the well permit costs in the project’s budget.
To expedite projects and prevent delays in similar projects in the future, staff are recommending the City Council and the CMWD Board adopt resolutions authorizing the filing of applications for County of San Diego well permits and Encina Wastewater Authority special use permits for future Capital Improvement Program projects. This would enable the city and the water district to obtain these relatively routine and standard permits as a normal part of their operations, without having to obtain the approval of the City Council or the CMWD Board.
Kelly Drive Sewer Replacement Project
Capital Improvement Program Project No. 5548-A
Total appropriation to date $1,200,000
Total expenditures and encumbrances to date -$41,000
Total available funding $1,159,000
Construction contract (estimated) -$621,000
Construction contingency (estimated, 15%) -$94,000
Construction management, inspection, and material testing (estimated) -$124,000 Public outreach (estimated) -$15,000
Staff time and engineering services (estimated) -$42,000 Monitoring well installation, sampling and well destruction (estimated) -$37,000 Total estimated costs -$933,000
Available funding anticipated after bidding $226,000
March 7, 2023
Item #5 Page 3 of 22
Staff have identified no drawbacks from this action. If the City Council and the CMWD Board decline to adopt the proposed resolutions, staff will continue to request the City Council and the CMWD Board’s approval for the filing of these permit applications as needed for future projects.
Next Steps
With approval of the proposed resolutions, staff will authorize the city’s geotechnical consultant, Atlas Technical Consultants LLC, to submit the completed County of San Diego well permit application for the Kelly Drive Sewer Replacement Project. Once the permit is issued, Atlas will proceed with installation of the groundwater monitoring wells, groundwater sampling at the project site and laboratory testing to support the Encina Wastewater Authority special use permit application, which is to be submitted by the city together with the construction contractor’s water removal plan.
Construction of the project will be allowed to proceed upon issuance of the wastewater authority’s permit and is expected to start in the summer of 2023.
Environmental Evaluation
The City Planner has determined that this project classifies as a maintenance project and is exempt from environmental review according to California Environmental Quality Act Guidelines sections 15302 - Replacement or reconstruction of existing facilities. None of the exceptions described in Section 15300.2 apply to this project. A notice of exemption was filed on Dec. 22, 2022, with the San Diego County Clerk (File # 2022-001057) in compliance with Section 21152(b) of the California Public Resources Code.
Exhibits
1. City Council resolution to file permit applications with the County of San Diego
2. Carlsbad Municipal Water District Board resolution
3. City Council resolution for Capital Improvement Program Project No. 5548-A
4. Location map
5. County of San Diego well permit application
6. Encina Wastewater Authority special use permit application March 7, 2023
Item #5 Page 4 of 22
RESOLUTION NO. 2023-069
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF CARLSBAD,
CALIFORNIA, AUTHORIZING THE FILING OF PERMIT APPLICATIONS AND
EXECUTION OF INDEMNITY AGREEMENTS FOR COUNTY OF SAN DIEGO AND
ENCINA WASTEWATER AUTHORITY PERMITS
WHEREAS, the County of San Diego Department of Environmental Health and Quality administers and enforces State of California standards and local ordinances pertaining to the construction, alteration, maintenance and destruction of monitoring wells, inclinometers, vapor probes, cathodic protection wells and enhanced leak detection systems; and WHEREAS, the Encina Wastewater Authority, through its Pretreatment Ordinance, amended June 20, 2019, regulates the discharge of groundwater or surface runoff to the Encina sewerage system and issues special use permits to its member agencies, including the City of Carlsbad, and to persons or companies under contract with the member agencies who are users of the Encina sewerage system; and
WHEREAS, staff find it necessary to file permit applications for such activities in connection with Capital Improvement Program projects and such permit applications contain indemnities, either through standard clauses on the application forms or via indemnity agreements; and WHEREAS, the city's indemnification is a condition precedent to the approval of permits by these agencies; and
WHEREAS, the City Council has determined that it is in the public interest to delegate certain powers to the City Manager in accordance with the Carlsbad Municipal Code Section 2.12.035(L).
NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Carlsbad, California, as follows:
1. That the above recitations are true and correct.
2. That the City Manager is hereby authorized to sign County of San Diego Well Permit applications and Encina Wastewater Authority Special Use Permits with indemnities and to execute indemnity agreements for city Capital Improvement Program projects when recommended by the City Engineer or the Deputy City Engineer, Utilities Department, and upon the advice of the City Attorney's Office.
Exhibit 1
March 7, 2023 Item #5 Page 5 of 22
PASSED, APPROVED AND ADOPTED at a Joint Meeting of the City Council of the City of Carlsbad and the Board of Directors of the Carlsbad Municipal Water District of the City of Carlsbad on the 7th day of March, 2023, by the following vote, to wit:
AYES:
NAYS:
ABSTAIN:
ABSENT:
Blackburn, Bhat-Patel, Acosta, Burkholder, Luna.
None.
None.
None.
KEITH BLACKBURN, Mayor
SHERRY FREISINGER, City Clerk
(SEAL)
March 7, 2023 Item #5 Page 6 of 22
RESOLUTION NO. 1698
A RESOLUTION OF THE BOARD OF DIRECTORS OF THE CARLSBAD
MUNICIPAL WATER DISTRICT OF THE CITY OF CARLSBAD, CALIFORNIA,
AUTHORIZING THE FILING OF PERMIT APPLICATIONS AND EXECUTION OF
INDEMNITY AGREEMENTS FOR COUNTY OF SAN DIEGO AND ENCINA
WASTEWATER AUTHORITY PERMITS
WHEREAS, the County of San Diego Department of Environmental Health and Quality administers and enforces State of California standards and local ordinances pertaining to the construction, alteration, maintenance and destruction of monitoring wells, inclinometers, vapor probes, cathodic protection wells and enhanced leak detection systems; and WHEREAS, the Encina Wastewater Authority, through its Pretreatment Ordinance, amended June 20, 2019, regulates the discharge of groundwater or surface runoff to the Encina sewerage system and issues special use permits to its member agencies, including the City of Carlsbad, and to persons or companies under contract with the member agencies who are users of the Encina sewerage system; and
WHEREAS, staff find it necessary to file permit applications for such activities in connection with Capital Improvement Program projects and such permit applications contain indemnities, either through standard clauses on the application forms or via indemnity agreements; and WHEREAS, the CMWD Board's indemnification is a condition precedent to the approval of permits by these agencies; and
WHEREAS, the CMWD Board has determined that it is in the public interest to delegate certain powers to the Executive Manager in accordance with the Carlsbad Municipal Code Section 2.12.035(L).
NOW, THEREFORE, BE IT RESOLVED by the Carlsbad Municipal Water District Board of Directors of the City of Carlsbad, California, as follows:
1. That the above recitations are true and correct.
2. That the Executive Manager is hereby authorized to sign County of San Diego Well Permit applications and Encina Wastewater Authority Special Use Permits with indemnities and to execute indemnity agreements for water and recycled water Capital Improvement Program projects when recommended by the District Engineer and upon the advice of the Office of the General Counsel.
Exhibit 2
March 7, 2023 Item #5 Page 7 of 22
PASSED, APPROVED AND ADOPTED at a Joint Meeting of the Carlsbad Municipal Water District Board of Directors of the City of Carlsbad and the City Council of the City of Carlsbad on the 7th day of March, 2023, by the following vote, to wit:
AYES:
NAYS:
ABSTAIN:
ABSENT:
Blackburn, Bhat-Patel, Acosta, Burkholder, Luna.
None.
None.
None.
�
KEITH BLACKBURN, President
SHERRY FREISINGER, Secretary
(SEAL)
March 7, 2023 Item #5 Page 8 of 22
RESOLUTION NO. 2023-070
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF CARLSBAD,
CALIFORNIA, AUTHORIZING THE FILING OF PERMIT APPLICATIONS AND
EXECUTION OF INDEMNITY AGREEMENTS FOR COUNTY OF SAN DIEGO AND
ENCINA WASTEWATER AUTHORITY PERMITS FOR THE KELLY DRIVE SEWER
REPLACEMENT PROJECT
WHEREAS, the County of San Diego Department of Environmental Health and Quality administers and enforces State of California standards and local ordinances pertaining to the construction, alteration, maintenance and destruction of monitoring wells, inclinometers, vapor probes, cathodic protection wells and enhanced leak detection systems; and WHEREAS, the Encina Wastewater Authority, through its Pretreatment Ordinance, amended June 20, 2019, regulates the discharge of groundwater or surface runoff to the Encina sewerage system and issues special use permits to its member agencies, including the City of Carlsbad, and to persons or companies under contract with the member agencies who are users of the Encina sewerage system; and
WHEREAS, staff find it necessary to file permit applications for such activities in connection with the Kelly Drive Sewer Replacement Project, Capital Improvement Program Project No. 5548-A, and such permit applications contain indemnities, either through standard clauses on the application forms or via indemnity agreements; and
WHEREAS, the city's indemnification is a condition precedent to the approval of permits by these agencies; and
WHEREAS, the Deputy City Engineer, Utilities Department, and the City Attorney's office recommend the filing of these permit applications; and
WHEREAS, the City Council has determined that it is in the public interest to delegate certain powers to the City Manager in accordance with the Carlsbad Municipal Code Section 2.12.03S(L).
NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Carlsbad, California, as follows:
1. That the above recitations are true and correct.
2. That the City Manager is hereby authorized to sign the County of San Diego Well Permit application with indemnities and the Encina Wastewater Authority Special Use Permit and indemnity agreement for the Kelly Drive Sewer Replacement Project, Capital Improvement Program Project No. 5548-A.
Exhibit 3
March 7, 2023 Item #5 Page 9 of 22
PASSED, APPROVED AND ADOPTED at a Joint Meeting of the City Council of the City of Carlsbad and the Board of Directors of the Carlsbad Municipal Water District of the City of Carlsbad on the 7th day of March, 2023, by the following vote, to wit:
AYES:
NAYS:
ABSTAIN:
ABSENT:
Blackburn, Bhat-Patel, Acosta, Burkholder, Luna.
None.
None.
None.
KEITH BLACKBURN, Mayor
lvsHERRY FREISINGER, City Clerk
1 - (SEAL)
March 7, 2023 Item #5#5 Page 10 of 22
LOCATION MAP
Sunny Creek Rd
Rancho Pancho
PROJECT SITE
VICINITY MAP
AVECOSTA
LA
BLVD
CARLSBAD
RD
ALGA
PALOMAR AIRPORT
RD
EL
CAMINO
REAL
RANCHO
SANTA FE
RD
POINSETTIA
LANE
ALICANTE
RD
EL
FUERTE
OLIVENHAIN RD.
MELROSE
DR.
FARADAY
COLLEGE
BLVD
PASEO
DEL
NORTE
AVE
AVENIDA
ENCINAS
CANNON RD
MONROE
ST
CARLSBAD
VILLAGE DR
MARRON
TAMARACK
AVE
RD
LAKE
CALAVERA
LAGOON
AGUA HEDIONDA
LAGOON
BATIQUITOSLAGOON
AVIARA
PKWY
POINSETTIA
LANE
PROJECT
SITE
PROJECT NAME
KELLY DRIVE SEWER REPLACEMENT
PROJECT
5548
EXHIBIT
4 NUMBER
5548-A
Exhibit 4
March 7, 2023
Item #5 Page 11 of 22
S:\LWQ\WELL PROGRAM\M onitoring Wells\Applications (Rev. 5-2022) Page 1 of 3 County of San Diego Department of Environmental Health & Quality
PERMIT APPLICATION
GROUNDWATE
R
AND VADOSE MONITORING WELLS
AND EXPLORATORY OR TEST BORINGS
A. RESPONSIBLE PARTY 1 E-mail
Mailing Address City State Zip
Contact Person Phone Ext.
INDEMNIFICAT
ION OBLIGATION: To the fullest extent permitted by law, County shall not be liable for, and Responsible Party shall defend, indemnify and hold harmless the County and its Directors, officers, agents, employees and volunteers (collectively “County Parties”), against any and all actions, direct or third-party claims, deductibles, self-insured retentions, demands, liability, judgments, awards, fines, mechanics’ liens or other liens, labor disputes, losses, damages, expenses, charges or costs of any kind or character, including attorneys’ fees and court costs (hereinafter collectively referred to as “Claims”), which arise out of or are in any way connected to the issuance of this Permit or performance of any work pursuan t to the Permit, including without limitation , any action brought to attack, set aside, void or annul the issuance of the Permit under the California Environmental Quality Act, Public Resourc es Code section 21000, et seq., or any other environmental law, and any action based on or alleging the damage, destruction, loss, or take of private property pursuant to Article I, Section 19, of the California Constitution or the Fifth Amendment to the U.S. Constitution, and further including, without limitation, any Claims caused by the sole passive negligence or the concurrent negligent act, error or omission, whether active or passive, of County Parties. Responsible Party shall have no obligation, however, to defend or indemnify County Parties from a Claim if it is determined by a court of competent jurisdiction that such Claim was caused by the sole active negligence or willful misconduct of County Parties.
RESPONSI BLE
PARTY SIGNATURE: _______________________________ DATED: _____________________ B. SITE ASSESSMENT PROJECT NUMBER – IF APPLICABLE #
C. CONSULTING FIRM
Mailing Address City State Zip
Registered Professional Phone Registration # (PG, CEG, RCE) E-mail
Contact Person Phone Ext Email
D. DRILLING COMPANY C57#
Contact Name E-mail
Mailing Address City State Zip
Phone Ext.
1 Per San Diego County Code Section 67.402, the Responsible Party is any person who has, or who has contracted or otherwise caused to have, a monitoring well constructed, repaired, re-constructed or destroyed. Per this definition, the consultant and driller are not the Responsible Party. They are contracted by the Responsible Party.
OFFICE USE ONLY
PERMIT LMWP# _______________
SAM CASE Y/N # ______________
DATE RECEIVED: ______________
FEE PAID: ____________________
CHECK # _____________________
Exhibit 5
March 7, 2023
Item #5 Page 12 of 22
S:\LWQ\WELL PROGRAM\M onitoring Wells\Applications (Rev. 5-2022) Page 2 of 3 County of San Diego Department of Environmental Health & Quality E. CONSTRUCTION INFORMATION
TYPE OF WELLS/ BORINGS TO
BE CONSTRUCTED
#
☐ Groundwater
☐ Vadose
☐ Boring
☐ Soil Vapor
☐ Other
NUMBE
R OF WELLS TO BE
DESTROYED
☐ Destruction
MATERIALS TO BE USED
CASING SEAL/BORING
BACKFILL
Not Applicable ☐ Neat Cement
Type ☐ Cement & Bentonite
Gauge ☐ Sand-Cement
Diameter ☐ Bentonite
Screen Size ☐ Other
Filter Pack Borehole diameter
Drilling Method
☐ Auger ☐ Air Rotary
☐ Direct Push ☐ Sonic
☐ Other ☐ Percussion
PROPOSED CONSTRUCTION
Estimated Groundwater Depth:
ft.
Estimated Depth of Boring:
ft.
Concrete Seal: 0 to 3
Annular Seal: to
Filter Pack: to
Perforation: to
NOTE: Attach a well
construction diagram
I agree to comply with the requirements of the current Site Assessment and Mitigation Manual, and with all ordinances and laws of the County of San Diego and the State of California pertaining to well/boring construction and destruction.
DRILLER’S SIGNATURE ____________________________________________ DATE __________________________ Within 60 days of completion, I will furnish the Monitoring Well Permit Desk (858) 505-6688 with a complete well/boring log.
I will certify the design and construction or destruction of the well/borings in accordance with the permit application.
PG /R
CE/CEG SIGNATURE __________________________________________ DATE __________________________ F. SITE INFORMATION - A P roperty Owner Consent agreement is required for all applications, except for onsite, open LOP/SAM site assessment cases, Caltrans properties and military properties. Submit a separate sheet for additional parcels.
1. ASSESSOR’S PARCEL NUMBER
Site Name
Site Address C ity Zip
PROPERTY OWNER
Phone Ext . Fax
Mailing Address C ity State Zip
NUMBER OF WELLS T YPE OF WELLS
2. ASSESSOR’S PARCEL NUMBER
Site Address C ity Zip
PROPERTY OWNE R
Phone Ex t. Fax
Mailing Address C ity State Zip
NUMBER OF WELLS T YPE OF WELLS
March 7, 2023
Item #5 Page 13 of 22
S:\LWQ\WELL PROGRAM\M onitoring Wells\Applications (Rev. 5-2022) Page 3 of 3 County of San Diego Department of Environmental Health & Quality G. QUE
STIONNAIRE: Please answer all applicable questions completely and submit any required supportive documentation.
1. W hat
is the purpose of the well/boring investigation?
☐ a. Part of an ongoing site assessment case in which a government regulator is the lead agency.
If yes, indicate which government regulator is the lead agency and the case number. ☐ Department of Environmental Health
☐ Re gional Water Quality Control Board
☐ De partment of Toxic Substances Control
☐ b. Par
t of a Phase I investigation for property ownership transfer. ☐ c. Geotechnical investigation for proposed construction or land stabilization. ☐ d. Other:
2. If wells are to be destroyed, provide a description of method of destruction
3. Are you proposing a variation from current SAM Manual Requirements for the construction or destruction of borings, Vadose and/or Groundwater Monitoring Wells? If yes, specify these variations and include a well construction diagram and all required supporting documentation. Refer to the SAM Manual Appendix B for monitoring well guidelines. Yes ☐ No ☐
March 7, 2023
Item #5 Page 14 of 22
ENCI
NA WASTEWATER AUTHORITY ..
A Public Agency
SERVING THE CITY OF VISTA, CITY OF CARLSBAD, BUENA SANITATION DISTRICT, VALLECITOS WATER DISTRICT,
LEUCADIA WASTEWATER DISTRICT AND CITY OF ENCINITAS
6200 Avenida Encinas
Carlsbad, CA 92011-1095
Telephone (760) 438-3941
FAX (760) 438-3861 (Plant)
(760) 431-7493 (Admin)
Thank you fo
r contacting Encina Wastewater Authority to obtain information about the permitting process.
This letter will help to facilitate the permit process on behalf of Encina Wastewater Authority . Once the documentation has been received, reviewed, and approved by EWA, a site inspection will be scheduled.
Please note, prior to EWA’s issuance of the permit, the system mu st be demonstrated in the field and functional as per the specifications provided to EWA in the permit application. The standard turn-around time to issue a permit is approximately 4-6 weeks.
1. P rovide a
completed discharge permit application including all the supporting documentation listed below.
2. Liability Insurance.
a. "Encina Wastewater Authority and Membership Agencies" named as Additionally Insured in the Certificate of Liability Insurance.
b. Min $5,000,000 general liability AND $5,000,000 for all environme ntal impairment damages resulting from discharge; valid for the entire duration of the Permit.
3. Provide a sewer map that identifies all test pits, excavation pit locations, and names of each discharge point (Manhole) on the map.
4. Provide representative analytical sample results.
5. Provide a signed Indemnity Agreement from the participating agency Valid Entire Duration of the Permit.
6. Provide written plan approval from the participating agency for the proposed discharge flow rate, flow volume, discharge points, including any special condition requirements (wet weather discharge, Storm Water BMPs, manhole protection, etc.).
7. Provide a printout of Geotracker results with 1000’ search radius (map).
8. Provide details regarding the pretreatment system including the proposed maximum discharge flow rate and max hours pumped per day, the size of the hoses used, (model number of the pump and the max pumping rate, calculations for the retention time in the sedimentation tank, (baffles or no baffles in the tank), the model number and optimum flow ranges for the flow meter, documentation defining the length of straight pipe required before and after the meter for accurate measurements, flow restrictor information (if needed) and sample point details (Spigot).
9. Provide a Ground Water Discharge Sketch to include the details of excavation pump, high level shut off, sediment tank (baffles or not), discharge pump, high/low level shut off, treatment train, inverted U, straight pipe, flow meter, straight pipe, governor, sample point, etc.
Please contact me directly with questions or concerns.
Thank you,
Robert Grigg
Encina Wastewater Authority
Environmental Compliance
Source Control Manager
[email protected]
Office: 760-438-3941 ext: 3603
Exhibit 6
March 7, 2023
Item #5 Page 15 of 22
Encina Wastewater Authority
SPECIAL USE
DISCHARGE PERMIT APPLICATION
Mail completed Encina Wastewater Authority Permit No. ___________ and signed 6200 Avenida Encinas Reviewer _____________ application to: Carlsbad, CA 92011 Date ________________ Phone: (760) 438-3941
SECTION A – GENERAL INFORMATION
1. Company/Applicant Name: _____________________________________________________________________________
2. Facility/Site Address: __________________________________________________________________________________ Street City Zip