Project Information

Bid Title

Union City Library Partial Roof Replacement

Issuing Agency

City of Union City

Location

California

Published Date

Jun 5, 2026

Closing Date

Jun 25, 2026

Government Level

State & Local

Status

Closed

Ref. #

26-21

Original Source

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Bid Documents

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Project Description

Bid Number:	26-21
Bid Title:	Union City Library Partial Roof Replacement
Category:	Bids
Status:	Open
Bid Recipient:	[email protected]

Description: The City of Union City is soliciting informal bids from qualified Contractors for the Union City Library Partial Roof Replacement, City Project No. 26-21.  Work generally includes all labor and materials necessary to install new 60 mill TPO roof system of the Library building.  Contractor shall also remove and replace transition flashing at parapet walls and transitions. Contractor shall replace all existing walking maps with new ones. At transitions with exiting tiles, Contractor shall temporally remove the two bottom rows of tiles to install TPO and re-install existing tiles above the TPO. Contractor shall clean entire (the areas of work only) roof and rainwater downspouts, remove all pine needles and other debris. Drains currently do not have grates. Contractor is to add new dome grates to all of the existing drawings.   Contractor shall water test repaired roof to ensure water leaks are repaired. Engineer’s estimate is $199,000. Publication Date/Time: 6/4/2026 12:00 AM Closing Date/Time: 6/25/2026 2:00 PM Bid Opening Information: 06/25/2026 2:00 PM PST Pre-bid Meeting: 06/16/2026 09:00 AM PST Contact Person: Please email Saul Flores at [email protected] (cc: [email protected] ) Plan & Spec Available: To obtain the official bid documents and be placed on the project’s Plan Holder List, email [email protected] . Please ensure to include the name of the firm, the name of the contact person, the address of the firm, and a contact phone number with the request. Special Requirements: Mandatory Pre-Bid Job Walk: A pre-bid job walk will be held on Tuesday, June 16, 2026, at 9 am. Please email [email protected] (cc: [email protected] ) if you plan to attend and wait outside the library. All interested bidders are required to walk the job before submitting a proposal. Related Documents: 26-21 RFP - Library Partial Roof Replacment (Flat Area) NOT FOR BID 26-21 Exhibit A L-5_Roof Measurements R1 26-21 Exhibit B L-5_Roof Plan_Sections and Photo References 26-21 Exhibit C GAF Typ. Details

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CITY OF UNION CITY

ALAMEDA COUNTY, CALIFORNIA

Public Works Department

34009 Alvarado-Niles Road

D Union City, CA 94587

R BICITY CONTRACT DOCUMENTS

FO Tfor the

NOCTONTAC Union City Library Roof Modernization Project

CITY PROJECT NO: 26-21

BID OPENING: Thursday, June 25, 2026 at 2:00 p.m.

BID SET

CITY OF UNION CITY

PUBLIC WORKS DEPARTMENT

REQUEST FOR BIDS

UNION CITY LIBRARY ROOF MODERNIZATION PROJECT

INSTRUCTION FOR SUBMITTING BIDS

The City of Union City is soliciting informal bids from qualified Contractors to complete the project

described herein. Instructions and requirements for completing a bid are described below.

1. Qualifications: Contractor shall possess a valid Class B or C-39, California

Contractor’s license and a City business license at the time the contract is awarded.

2. Project Description: Work generally includes all labor and materials necessary to install

new 60 mill TPO roof system of the Library building. Contractor shall also remove and

replace transition flashing at parapet walls and transitions. Contractor shall replace all

D existing walking maps with new ones. At transitions with exiting tiles, Contractor shall

I Y temporally remove the two bottom rows of tiles to install TPO and re-install existing tiles

B T above the TPO. Contractor shall clean entire (the areas of work only) roof and rainwater

I downspouts, remove all pine needles and other debris. Drains currently do not have

R C grates. Contractor is to add new dome grates to all of the existing drawings. Contractor

O shall water test repaired roof to ensure water leaks are repaired. Engineer’s estimate is

F T $199,000.

T AC Given that this is maintenance and roof repair work, there are no professional design

O T documents. We have marked up a roof plan to better explain the areas of work and scope.

N N Bidders must have visited the site to assess the scope of work necessary, prior to

CO submitting their bids.

3. Mandatory Pre-Bid Job Walk: A pre-bid job walk will be held on Tuesday, June 16,

2026, at 9 am. Please email saul.flores@cumming-group.com (cc:

joseph.harrington@cumming-group.com) if you plan to attend and wait outside the library.

All interested bidders are required to walk the job before submitting a proposal.

4. Obtain Official Bid Documents:

All prospective bidders must be listed on the plan holder’s list to be eligible to bid the

project. To obtain the official bid documents and be placed on the project’s Plan Holder

List, email publicworks@unioncity.org. Please ensure to include the name of the firm, the

name of the contact person, the address of the firm, and a contact phone number with the

request.

5. Bids Due: 2:00 p.m., Thursday, June 25, 2026 (Email submission is preferred, if

submitting hard copy, submit to address below)

Union City Library Partial Roof Replacement

Instructions

The bid package is also available for viewing at the various Builders Exchanges

throughout the Bay Area. It shall be the bidder’s responsibility to check the City’s

website from time to time to ascertain if any addenda have been posted, and it will be

the responsibility of the bidder to acquire and acknowledge receipt of the addenda with

their bid.

6. Submit Proposals/Questions To:

Saul Flores

Contract Project Manager

City of Union City, Public Works Department

34009 Alvarado-Niles Road

Union City, CA 94587

Phone: (650) 862-3131

E-mail: saul.flores@cumming-group.com

cc: Joseph.Harrington@cumming-group.com

ID Y 7. Reply Format: All forms in the “Bid Proposal” Section (Pages B1-B9) shall be completed

B T and returned by the bid’s due date. An e-mail submission is preferred, the Bidder is still

I responsible for ensuring that the bid was received. A bid bond is required. If selected

R C as the successful bidder, to the conditions described herein, and will return a signed copy

O of the City’s Standard Agreement and Forms along with the required bonds and insurance.

F T If the bid is submitted via email, a scanned version of the bond is acceptable. The City

C may request a copy of the original at a subsequent date.

OT TA 8. Bid Award: The bid will be awarded to the lowest responsible bidder that can complete

N N the full replacement before the deadline. And at the discretion of the City’s Public Works

O Director or City Council. Bids are required for the entire work described herein. All blanks

C on the bid schedule must be completed. The City reserves the right to reject any and all

bids, or to waive any errors, discrepancies or irregularities.

9. Prevailing Wage: As a “Public Works” project and pursuant to Section 1773 of the Labor

Code, the general prevailing wage rates for Alameda County shall apply to this contract,

as determined by the Director of the California Department of Industrial Relations.

10. Firm Prices: All bid prices will be held firm for a minimum of sixty (60) calendar days after

the due date for submitting bids.

Union City Library Partial Roof Replacement

Instructions

BID PROPOSAL

Union City Library Tile Roof Repair Project

Bid To:

City of Union City

34009 Alvarado-Niles Road

Union City, CA 94587

Bid From:

Bidder’s Company Name:

Contact Person:

Business Street Address:

City, State, Zip Code:

Phone No.: ( )

ID Y E-mail:

__

________

B IT Contractor’s License Class: _________ No.:

OR C Contractor’s License Expiration Date: ____

_________

T F ACT I, as bidder, declare that I have satisfied myself as to the actual conditions and requirements of

the proposed work by careful examination of the location and by examination of the contract

O T documents. The failure or omission to examine any location, equipment, form, instrument or

N CON document shall in no way relieve the bidder from any obligation in respect to this bid

I hereby certify that this bid is genuine and I have not in any manner sought by collusion to secure

for myself an advantage over any other bidder.

I agree that if this proposal is accepted, I will contract with the City of Union City in the form of the

agreement proposed, will provide all bonds and insurance certificates as required under the

agreement and will furnish all equipment, materials and perform all labor required to complete the

work in accordance with the contract documents for the prices set forth in the Bid Schedule.

I have carefully checked all of the figures in the Bid Schedule and understand that the City shall

not be responsible for any errors or omissions on my part in making up this bid.

I agree that this bid may not be withdrawn for a period of sixty (60) calendar days from the date

of the bid opening and that the City reserves the right to reject any or all bids or waive any

irregularity or informality in the bids received.

Union City Library Roof Modernization Project

B-1

Bid Proposal

BID PROPOSAL

Union City Library Roof Modernization Project

BID SCHEDULE

Bids are to be submitted for the entire work. All applicable taxes, patent rights or royalties, freight,

permit fees and other costs deemed incidental to the work shall be included in the prices quoted.

All blanks for unit price and extension shall be completed. Any discrepancy between the unit price

and the extended price or total bid shall be resolved by using the unit price.

Bid Item Description

Unit Quant. Unit Price

Extension

1

Mobilization, General Conditions, LS 1

$__________ $__________

Bonds and Insurance.

2

3

4

5

6

Preparation Work

LS 1

ID Y Remove and store existing Roof Tiles LS 1

B T (two rows). Remove existing metal

I flashing at inner wall / perimeter

R C parapet cap.

O Furnish and Install TPO System/And LS 1

F T Flashing

T AC All other miscellaneous work and LS 1

O T materials to complete all the work.

N ON Furnish and install new roof dome LS 1

C grates at all drain locations.

$__________ $__________

$__________ $__________

$__________ $__________

$__________ $__________

$__________ $__________

7

Install new roof walkway pads.

LS 1

$__________ $__________

8

Water test flat built-up roof for LS 1

possible leaks.

Total Bid Amount:

$__________ $__________

$______________

Union City Library Roof Modernization Project

B-2

Bid Proposal

Commodity Codes

• NAICS 238160Roofing Contractors

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