Project Information

Bid Title

Request for Proposals for ESA Water Res Improv Prog_Alpine W. Wtr Improv Proj_Alt Analysis Feas Stdy

Issuing Agency

Padre Dam Municipal Water District

Location

California

Published Date

Jan 9, 2026

Closing Date

Feb 24, 2026

Government Level

State & Local

Status

Closed

Original Source

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Project Description

Bid Title:	Request for Proposals for ESA Water Res Improv Prog_Alpine W. Wtr Improv Proj_Alt Analysis Feas Stdy
Category:	Engineering - RFPs
Status:	Open

Description: REQUEST FOR PROPOSAL FOR ESA WATER RESILIENCY IMPROVEMENT PROGRAM ALPINE WEST WATER IMPROVEMENT PROJECT ALTERNATIVES ANALYSIS AND FEASIBILITY STUDY (JN 225001) Padre Dam Municipal Water District (Padre Dam or District) is requesting proposals from qualified engineering firms to evaluate the feasibility of various site options for the Alpine West Water Improvement Project.  The purpose of evaluating the Galloway Pump Station (Project RPS-2) and associated pipeline (Projects R-2A, R-2B, and R-2C) and the Alpine West Pump Station (Project RPS-3) and associated pipeline (Project R-3) identified in the District’s 2022 Master Plan Update, is to ascertain the scope of work required for the final design and construction, including but not limited to the following disciplines: environmental, civil, mechanical, structural, electrical, right-of-way, and construction costs.  In addition, the work described in this Request for Proposal (RFP) will determine if additional pipeline work, beyond what is directly associated with the facilities, will be required to meet the demands of the proposed pump stations and if the locations identified in the 2022 Master Plan Update provide the greatest value options.  With this in mind, proposers are also encouraged to identify viable alternatives, including alternative sites and other possible solutions.  The goals of these projects include: providing resiliency in the Eastern Service Area (ESA) through redundant ways of conveying water from the Chocolate Summit Zone to the Alpine West Pressure Zone and then into the West Victoria Pressure Zone, operational flexibility and efficiency, and improved water quality. The selected firm will provide professional engineering services to develop and submit an alternatives analysis of potential sites for the projects and a feasibility study of the highest-ranking sites to determine which alternative is technically, financially, and operationally viable. The selected firm or team must have experience in providing all the required engineering services including, but not limited to, project administration, hydraulic modeling and analysis utilizing Innovyze InfoWater software, and water system design including various potable water storage tank types and configurations, pump station design, and environmental engineering services.  Due to the priority of these projects, the selected firm should be prepared to begin work immediately upon award of contract. Interested firms shall submit their proposals no later than 3:00 pm on February 24, 2026. Padre Dam Municipal Water District Attn: Lewis Clapp Director of Engineering Email to: For security reasons, you must enable JavaScript to view this E-mail address. Proposals shall be submitted by email only to Padre Dam's Admin Support Group and include the following: Name of responder The word "PROPOSAL" Proposal Title: "ESA Water Resiliency Improvement Program Alpine West Water Improvement Project Alternatives Analysis and Feasibility Study (JN 225001)" Questions shall be directed in writing to: Tom Bloomer, P.E. at For security reasons, you must enable JavaScript to view this E-mail address. . All inquiries shall be received by 5 p.m. on February 9, 2026. Questions and responses will be posted to Padre Dam’s website. Publication Date/Time: 1/9/2026 10:10 AM Closing Date/Time: 2/24/2026 3:00 PM Related Documents: RFP Wtr Res Improv Prog_Alpine W. Wtr Improv Proj_Alt Analysis Feas Stdy 225001

Attachment Preview

REQUEST FOR PROPOSAL

FOR

ESA WATER RESILIENCY IMPROVEMENT PROGRAM

ALPINE WEST WATER IMPROVEMENT PROJECT

ALTERNATIVES ANALYSIS AND FEASIBILITY STUDY

(JN 225001)

PROPOSAL DUE

Date: February 24, 2026 Time: 3:00 PM

ELECTRONIC SUBMISSION ONLY

________________________________

Lewis Clapp, P.E.

Director of Engineering & Planning

Table of Contents

1 INTRODUCTION ......................................................................................... 2

2 DISTRICT DESCRIPTION............................................................................................................ 2

3 BACKGROUND ......................................................................................................................... 3

4 PROJECT DESCRIPTION ............................................................................................................ 4

5 MINIMUM REQUIREMENTS AND TASKS ................................................................................. 5

6 STANDARDS ............................................................................................................................. 9

7 PROPOSAL REQUIREMENTS .................................................................................................. 10

8 CONSULTANT SELECTION PROCESS....................................................................................... 13

9 SCHEDULE FOR SELECTION AND AWARD.............................................................................. 16

10 SPECIAL CONDITIONS ............................................................................................................ 17

ATTACHMENTS:

Attachment 1 - GIS Figures of Project Sites

Attachment 2 - Galloway Valley Reservoir Record Drawings

Attachment 3 - Professional Engineering Services Agreement

AVAILABLE AS DOWNLOADS FROM PADRE DAM’S WEBSITE:

• 2022 Master Plan Update and Technical Appendices

Request for Proposal

January 9, 2026

Alpine West Water Improvement Project

Alternatives Analysis and Feasibility Study (JN 225001)

1

1 INTRODUCTION

Padre Dam Municipal Water District (Padre Dam or District) is requesting proposals from qualified

engineering firms to evaluate the feasibility of various site options for the Alpine West Water

Improvement Project. The purpose of evaluating the Galloway Pump Station (Project RPS-2) and

associated pipeline (Projects R-2A, R-2B, and R-2C) and the Alpine West Pump Station (Project

RPS-3) and associated pipeline (Project R-3) identified in the District’s 2022 Master Plan Update,

is to ascertain the scope of work required for the final design and construction, including but not

limited to the following disciplines: environmental, civil, mechanical, structural, electrical, right-

of-way, and construction costs. In addition, the work described in this Request for Proposal (RFP)

will determine if additional pipeline work, beyond what is directly associated with the facilities,

will be required to meet the demands of the proposed pump stations and if the locations identified

in the 2022 Master Plan Update provide the greatest value options. With this in mind, proposers

are also encouraged to identify viable alternatives, including alternative sites and other possible

solutions. The goals of these projects include: providing resiliency in the Eastern Service Area

(ESA) through redundant ways of conveying water from the Chocolate Summit Zone to the Alpine

West Pressure Zone and then into the West Victoria Pressure Zone, operational flexibility and

efficiency, and improved water quality.

The selected firm will provide professional engineering services to develop and submit an

alternatives analysis of potential sites for the projects and a feasibility study of the highest-ranking

sites to determine which alternative is technically, financially, and operationally viable. The

selected firm or team must have experience in providing all the required engineering services

including, but not limited to, project administration, hydraulic modeling and analysis utilizing

Innovyze InfoWater software, and water system design including various potable water storage

tank types and configurations, pump station design, and environmental engineering services. Due

to the priority of these projects, the selected firm should be prepared to begin work immediately

upon award of contract. There will be a non-mandatory pre-proposal meeting at 9:00 AM on

January 21, 2026. The meeting will start at the District’s office located at 9300 Fanita Parkway,

Santee, CA 92071 and then attendees will have the opportunity to visit each site with District

personnel. Attendees should allow for between 2 and 3 hours for the meeting given the location

of each site relative to Padre Dam’s office. Questions shall be directed in writing to: Tom Bloomer,

P.E. at tbloomer@padre.org. All inquiries shall be received by 5 p.m. on February 9, 2026.

Questions and responses will be posted to Padre Dam’s website.

2 DISTRICT DESCRIPTION

Padre Dam is a public agency, a Special District of the State of California that provides water,

wastewater, recycled water and recreation services to residents in East San Diego County

including Santee, El Cajon, Lakeside, Flinn Springs, Harbison Canyon, Blossom Valley, Alpine,

Dehesa, and Crest. Padre Dam serves 100,000 residents with over 24,000 active service

connections, manages over $700 million in infrastructure assets.

Request for Proposal

January 9, 2026

Alpine West Water Improvement Project

Alternatives Analysis and Feasibility Study (JN 225001)

2

Currently, the potable water system includes 3 imported water connections, 28 water storage

reservoirs, 16 booster pumping stations, 19 pressure-regulating stations, and approximately 390

miles of pipeline up to 60-inches in diameter. Additional information regarding the water system is

available in the District’s 2022 Master Plan Update.

3 BACKGROUND

Padre Dam’s water service area is split into two geographic regions, the Western Service Area (WSA)

and Eastern Service Area (ESA). The ESA is predominantly served by a single water supply

connection with the ability to utilize a second connection if necessary. Water is conveyed from

west to east, in the ESA, through a series of pump stations and reservoirs via the District’s

“backbone” transmission main. Sixteen (16) of the District’s twenty-nine (29) water storage

reservoirs are located in the ESA. A majority of the 56 million gallons (MG) of effective storage

capacity provided by the 29 reservoirs (33 MG or 59 percent of total) is in the ESA. There are also

11 pump stations and 18 pressure reducing stations in the ESA.

The community of Alpine receives water from the Arnold Way Pump Station No. 4 which is fed by

the Chocolate Summit Reservoir. Water is delivered to the Chocolate Summit Reservoir by the Flinn

Springs Pump Station No. 3 which uses the Blossom Valley Reservoir as a forebay. Redundancy was

added to the ESA system when the ESA Secondary Connection Pump Station and Forebay project

was completed in 2019. The addition of the Secondary Connection Pump Station provided Padre

Dam with a new connection to the San Diego County Water Authority’s system, County Water

Authority (CWA) No. 7, and provided redundancy to the El Capitan Pump Station No. 1 which gets

water from the Wholesale Reservoirs (Price, Lakeview, and Los Coches) that receive water from

CWA No. 4 and CWA No. 6. The ESA Secondary Connection project is considered phase 1 of the

larger goal to improve water resiliency in the ESA and Alpine.

Following the completion of the ESA Secondary Connection Project, in 2020 Padre Dam invested in

a new pipeline from Mountain Top Reservoir and Pump Station No. 7 site called the Mountain View

Connector Pipeline. This pipeline travels along Mountain View Rd from the Mountain Top Reservoir

site, through the Almyra Pressure Reducing Station, and northbound on Harbison Canyon Rd to the

Harbison Canyon Pressure Reducing Station. The 16” ductile iron Mountain View Connector Pipeline

is parallel to an existing 10” AC pipe in Harbison Canyon Rd up to the Harbison Canyon pressure

reducing station at which point only the 10” AC pipe continues up to Arnold Way. The 10” AC pipe

in Harbison Canyon Road was installed in 1962. The Mountain View Connector Pipeline provides

operational benefits including a secondary way to move water into Alpine as well as meeting

identified storage deficiencies in the Chocolate Summit, Harbison Canyon, and Dehesa Valley

Pressure Zones (PZ). The hydraulic profile found in the 2022 Master Plan Update, Figure 7.5, shows

that the Mountain Top, Chocolate Summit and Galloway Valley Reservoirs operate at the same HGL.

Request for Proposal

January 9, 2026

Alpine West Water Improvement Project

Alternatives Analysis and Feasibility Study (JN 225001)

3

As identified in the 2022 Master Plan Update, next steps to build resiliency in the ESA include the

addition of the Galloway Pump Station (Galloway PS, Projects RPS-2 and R-2A, R-2B, and R-2C) at

the Galloway Valley Reservoir site and the Alpine West Pump Station (Alpine West PS, Projects RPS-

3 and R-3) at the Alpine Trail Pressure Reducing Station site, which are the focus of this RFP. The

objective of the Galloway Pump Station is to provide an alternative way to move water from the

Chocolate Summit PZ to the Alpine West/Alpine Trail PZ. The Alpine West Pump Station will move

water from the Alpine West/Alpine Trail PZ to the West Victoria PZ. This offers day-to-day

operational flexibility, anticipated improvements to water quality, and redundancy to filling the

Alpine Heights and West Victoria Reservoirs if something happens to the Arnold Pump Station, the

Arnold Way Pump Station needs to be taken offline for maintenance, or there is a break in pipeline

to or from Arnold Way PS.

The Galloway PS and Alpine West PS projects, as presented in the 2022 Master Plan Update, are

anticipated to require pipelines (Projects R-2A, R-2B, R-2C, and R-3) that will traverse challenging

cross-county terrain that will require consideration of environmental constraints,

property/easement acquisition, and cost to guide the selection of the optimal alignment and facility

site(s). The program EIR that was developed for the Master Plan is available on Padre Dam’s website

and contains additional information about each site. The natural terrain surrounding the Galloway

PS site includes dense vegetation, natural water ways, potential habitat for sensitive species, and

undulating surfaces. The site for the proposed Galloway PS, identified in the 2022 Master Plan

Update, is preliminarily shown at the District’s Galloway Valley Reservoir site. The Galloway Valley

Reservoir has a capacity of 3.5 Million Gallons, was constructed in 1993, and was part of a 2020

Reservoir Condition Assessment study which found the reservoir to be in good condition. The

reservoir has been out of service for more than 12-years due to decreasing water demands and

water quality in the pressure zone. The Alpine Trail PRS was constructed in 2014. Both sites are

owned by Padre Dam.

The 2022 Master Plan Update identified the preliminary requirements for the Galloway and Alpine

West Pump Stations as both having three pumps, each with 1,450 gpm and 1,400 gpm, respectively.

4 PROJECT DESCRIPTION

The Eastern Service Area consists of rural residential properties surrounded by natural open space

much of which is considered both sensitive habitat and is in the wildland urban interface. The

primary objective for the Project is to design a new connection between neighboring pressure zones.

The proposed pump stations and their associated pipelines will move water between the two

pressure zones providing some level of redundancy, resiliency, and the ability to more efficiently

and effectively supply water to areas during an emergency such as a wildfire event and earthquake.

Conveying water into the western portion of Alpine, along the border of the Chocolate Summit PZ

and Alpine West PZ is limited to water that the Arnold Way PS delivers to the West Victoria and

Alpine Heights Reservoirs which are northeast and southeast of the Alpine West PZ, respectively.

Most of the existing distribution system throughout Alpine consists of AC pipes, installed in the

early 1960s, that are 10-inch and 8-inch diameter, which also contributes to the challenge of

Request for Proposal

January 9, 2026

Alpine West Water Improvement Project

Alternatives Analysis and Feasibility Study (JN 225001)

4

Commodity Codes

• NAICS 541330Engineering Services
• NAICS 541380Testing Laboratories
• NAICS 541620Environmental Consulting Services

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