The Marina Coast Water District is seeking proposals from qualified vendors for the design, fabrication, and delivery of water treatment equipment.

Request for Proposals
Equipment Procurement
CIP #OW-2404GN: Reservation Road Desalination Plant Renovation Project
Proposals due
April 8, 2026
2:00 PM
Questions sent electronically must be directed to:
Jack Gao at engineering@mcwd.org
Proposals sent by mail must be directed to:
Marina Coast Water District
920 2nd Ave., Suite A Marina,
CA 93933
ATTN: Jack Gao

I. INTRODUCTION
The Marina Coast Water District is seeking proposals from qualified vendors for the design,
fabrication, and delivery of water treatment equipment. The goal of this RFP is the of a lime
dosing system for the Reservation Road Desalination Plant Renovation Project, identified as
Capital Improvement Project (CIP) #OW-2404GN.
The specific technical requirements, capacities, and performance standards for the equipment
are detailed in Attachment B: Technical Specifications.
II. BACKGROUND
Marina Coast Water District (MCWD, District) is renovating its existing 300-acre feet per
year (AFY) desalination treatment plant at 11 Reservation Road in Marina, CA and restoring
to active service. The plant operated from 1997 to 2003. Since that time, the treatment
equipment and processes have deteriorated beyond functional use. This equipment is part of
pre-purchase of long lead items associated with the second phase of the rehabilitation of the
Desalination Plant. All construction scoping documents from the previous phase are available
on the district's web site:
Bids & Open Projects : Marina Coast Water District
https://www.mcwd.org/engineering_operations_administration_rfps.php
III. SCOPE OF WORK
The selected vender will be responsible for providing equipment that meets the attached
specifications: Attachment B: Technical Specifications and cost should be included in the BID
Schedule Attachment A: Bid Schedule
The bid schedule should include a cost for each item listed as "Supply with contract." Zero
cost is an acceptable response. For items marked "include with quote", the item should be
included in the bid submittal. For items marked "example", such as warranty, the actual item
does not need to be included but a representative example should be included.
Partial equipment bids will be accepted and evaluated but selection preference will be given
to bids that supply all equipment listed.
For the pump skid configuration and valves, refer to the attached P&ID included with the
specifications in Attachment B: Technical Specifications. Alternative configurations will be
accepted if accompanied by a P&ID. The pump skid must be shipped with pumps and valves
assembled.
MCWD Request for Proposal
Reservation Road Desal Rehabilitation Equipment Procurement Page 2

IV. PROPOSAL SUBMITTAL
A. Proposal Instructions
Proposal Documents
Failure to completely execute and submit the required documents before the bid submittal
deadlines will render a proposal non-responsive.
Informed Respondent
It will be the proposer's responsibility to be fully informed as to the conditions,
requirements, and specifications before submitting qualifications. Failure to do so will be
at your firm's own risk and relief cannot be secured on the plea of error.
B. Submission Requirements
No hard copies are required to be submitted. One (1) electronic copy of the proposal shall
be submitted in the format contained in the RFP. Electronic copy must be a searchable PDF.
The proposal should be one document.
The response shall include the following:
COVER LETTER (limit to two pages)
A letter of interest stating the respondent's experience and qualifications in providing the
equipment. Provide project histories for three public agencies which the respondent has
provided equipment for a similar project within the last five years. Similar experience for
California projects is preferred.
1. Budget Proposal
Budget Proposal must include the following elements to be considered by the district:
a. Itemized equipment with price. Price should also be included for recommended
spares and associated consumables. If the vendor recommends commissioning and
training that should be included as a separate item.
b. Instrumentation and Control package. Describer controller and provide list of
internal and external I/O.
2: Schedule
a. Lead time to engineering drawings for district acceptance (if required).
b. Option to expedite delivery.
c. Estimated delivery data based on receiving a purchase order on April 22.
MCWD Request for Proposal
Reservation Road Desal Rehabilitation Equipment Procurement Page 3

V. PROPOSAL EVALUATION CRITERIA
The district will evaluate qualifications based on the scoring criteria outlined in this section.
The district shall be the sole judge of the qualifications and equipment proposed and its
decision shall be final. Discussions may be conducted with respondents who submit
qualifications determined to be reasonably acceptable of being selected for award.
Scoring Criteria
Evaluation Metric Description Weight (%)
Relevant Experience and Demonstrated success on similar 10
Past Performance desalination or water treatment projects,
including references.
Proposal Organization Clarity of proposal and cost breakdown. 5
Details about equipment
Performance and Warranty Duration and extent of warranty. 15
Schedule Length of lead time is critical. Provide a 30
schedule with delivery by August 17, 2026
or earliest date.
Comprehensive Proposal Ability to provide all equipment as one 10
package.
Fee Proposal Total Cost of project. 30
VII. SCHEDULE
Time is of the essence for responding to this RFP. Proposing firms/Consultants must be
able and willing to commit the necessary resources to complete the RFP within the
schedule.
Milestone Date
RFP Release 03/25/2026
Proposal Submission Deadline 4/08/2026 2 PM
Electronic Submittal:
Jack Goa
JGoa@mcwd.org
MCWD Request for Proposal
Reservation Road Desal Rehabilitation Equipment Procurement Page 4

Physical and U.S. Mail Address:
Marina Coast Water District
Attn: Jack Gao
Reservation Road Desal Project
920 2nd Ave., Suite A
Marina, CA 93933
Postmark does not constitute receipt. The district reserves the right not to consider late,
misdirected or incomplete proposals.
IX. GENERAL INFORMATION
A. GENERAL PROVISIONS
1. Proposers are encouraged to review this RFP carefully in its entirety prior to
preparation of its proposal. The District reserves the right to verify all information
submitted in a proposal.
2. Waiver of Irregularities. The District reserves the right to waive any informalities or
irregularities in this RFP process, or in any proposal.
3. Addenda. The District reserves the right to revise the RFP documents. Any changes
to the requirements will be made by written addenda to this RFP. Failure to
acknowledge all posted addenda may cause a proposal to be deemed non-responsive
to this RFP and be rejected without further evaluation.
4. No Commitment to Award. Issuance of this RFP and receipt of proposals does not
commit MCWD to award a contract. The District expressly reserves the right to
postpone the RFP process for its own convenience, to accept or reject any or all
proposals received in response to this RFP, to award all or a portion of the proposed
scope of work, or to cancel all or part of this RFP.
5. Amendments to Proposals. No amendment, addendum or modification will be
accepted after the deadline stated herein for receiving proposals. The proposer may
modify or amend its proposal only if MCWD receives the amendment prior to the
deadline stated herein for receiving proposals.
6. Non-Responsive Proposals. A proposal may be considered non-responsive if
conditional, incomplete, or if it contains alterations of form, additions not called for,
or other irregularities that may constitute a material change to the proposal.
7. Late Proposals. The District will not be responsible for proposals that are delinquent,
lost, or incorrectly submitted.
8. Costs for Preparing. The District will not compensate any proposer for the cost of
preparing any proposal, and all materials submitted with a proposal shall become the
property of MCWD. The District may retain all proposals submitted and may use
any idea in a proposal regardless of whether that proposal is selected.
MCWD Request for Proposal
Reservation Road Desal Rehabilitation Equipment Procurement Page 5

9. Public Documents. All proposals shall be available for public inspection at the
conclusion of the selection process.
10. No Exceptions. Submission of a proposal constitutes acceptance by proposer of the
conditions contained in this RFP.
Referenced Attachments are posted on the District website under one or more Project RFPs
at: https://www.mcwd.org/files/?dl=16b787b3b056f9d1eb5d8b766332f755
MCWD Request for Proposal
Reservation Road Desal Rehabilitation Equipment Procurement Page 6

Attachment A: Bid Schedule

MCWD Lime Packakge Bid Schedule
Include Supply
Specification with with
Bid Item Decription Section Quote contract Amount
1.0 Mixer Stand and Access Platform 06 08 03
1.1 General 1.0
1.1.1 Shop Drawings 1.2 A 1
1.1.2 Product Data 1.2 B 1
1.1.3 Calculations 1.2 C 1
1.2 Mixing Stand and Access Platform 2.1 1
1.3 Suplier's Services
1.3.1 Installation Support 3.1 1
1.3.2 Testing and Verification 3.2 1
2.0 Meter Pump Skid 43 23 57
2.1 General 1.0
2.1.1 Shop Drawings 1.3 A.1 1
2.1.2 Product Data 1.3 A.2 1
2.1.3 Performance Data 1.3 A.3 1
2.2 P-510 and P-520 pumps 2.2 or 2.3 1
2.3 spare parts 2.2 J list 1
2.4 PIT-505: Discahrge Pressure Indicating Transmitter 2.4 1
2.5 FIT-504 2.5 1
2.6 Pump Skid 2.6 and P&ID 1
2.7 Suppplier Services 3.3 1
3.0 High Desnity Polythlene Storage Tank 43 41 43
3.1 General 1.0
3.1.1 Factory Test 1.2 B 1
3.1.2 Warranty 1.2 C example 1
3.2 Submittals 1.3 1
3.2.1 Shop Drawings 1.3 A 1 1
3.2.2 Product Data 1.3 A 2 1
3.3 Product Delievery, Storage, and Handling 1.4 1
3.4 Products 2.0
3.4.1 TNK-500 2.1 1
3.4.2 LIT-501 2.3.H (a-c, e) 1
3.4.2.1 LIT-501 data sheet 2.3 H (e) 1
4.0 Vertical Mixer 44 41 34
4.1 Quality Assurance 1
4.1.1 Statement of Equivalency 1.2 B 1
4.1.2 Performance Test 1.2 C 1
4.1.3 Warranty 1.2 D example 1
4.2 Submittals
4.2.1 Shop Drawings 1.3 A.1 (a -b) 1
4.2.2 Anchor System to show interface with stand 1.3 A.1.c 1
4.2.3 Product Data 1.2 1
4.2.4 Operation and Maintence Manuals 1.3 1
4.2.5 Quality Control (deviations and service organization) 1.4 (a and b) 1
4.2.6 Quality Control (intall and operational assurance) 1.4 (c and d) 1
4.3 Product Delievery, Storage, and Handling 1.4
4.4 Spare Parts 1.5 1
4.5 Product - Vertical Turbine Mixer (MIX-500) 2.0 1
4.6 Supplier Services
4.6.1 Installation Confirmation 3.2 1
4.6.2 Operations Instruction 3.2 1
TOTAL

Attachment B: Technical Specifications

SECTION 01 11 03
SUMMARY OF WORK
PART 1 - GENERAL
1.1 LOCATION AND DESCRIPTION OF WORK
A. Marina Coast Water District's (MCWD) owns and operates the Reservation Road
Desalination Facility located at 11 Reservation Road, Marina, CA off Highway 1 next to
the Marina State Beach parking lot.
B. This facility is undergoing a rehabilitation project (Project) with an operational
completion at the end of 2026. The Project is anticipated to be furnished by the
SUPPLIER and installed by the CONTRACTOR. The CONTRACTOR advertisement,
selection, and contract execution is forthcoming. To maintain project schedule, MCWD is
procuring long-lead equipment directly from SUPPLIER, which will be delivered to the
future CONTRACTOR for installation and integration. The CONTRACTOR shall be
responsible for the acceptance, shipping, handling, proper storage, installation of the
equipment. CONTRACTOR will coordinate with SUPPLIER services for certificates of
proper installation, operation, startup, and training.
C. This solicitation is the first of a series of solicitations for long lead equipment and is
focused on the storage, mixing, and dosing of a hydrated lime liquid slurry (aka Milk-of
Lime). Forthcoming solicitations will include the RO System, Chlorine System, CO2
System, Anti-scalant system, Flush Tank and Potable water Tank, and Booster Pumps
equipped with VFDs.
D. The hydrated lime liquid slurry feed system, in conjunction with the carbon dioxide
solution feed system per the following carbon dioxide solution feed design criteria, shall
meet the following conditions to condition the RO permeate flow at 0.3 MGD (208 gpm)
for distribution to the MCWD drinking water distribution system:
Final Water Quality Treatment Value
Typical Value
Constituent (unit) Target Range
pH 7.85 7.3 - 8.4
Alkalinity (mg/L as CaCO3) 124.5 68 - 181.7
Total Hardness (mg/L as CaCO3) 163.5 47 - 280
Langelier Saturation Index (LSI) 0.1 0.1
Calcium Carbonate Precipitation
0.4 0.4 - 1.11
Potential (CCPP) (mg/L as CaCO3)
a. Carbon Dioxide Solution Feed System Design Criteria:
Parameter Value
Chemical Liquid Carbon Dioxide
Concentration 100%
Specific Gravity 1.53
Temperature 50 degreesF to 80 degreesF, 60 degreesF average
01 11 03-1
Summary of Work
Reservation Road Desalination Facility Rehabilitation
Marina Coast Water District February 2026
WWE Project: 25-072 60% Design