COUNTY OF SAN MATEO
STATE OF CALIFORNIA
NOTICE TO CONTRACTORS
NC. E5103
NOTICE IS HEREBY GIVEN, that
Sealed bids will be received either by mail to the office of the County Executive’s
Office, or hand-delivered prior to the bid opening to the County of San Mateo at 500
County Center, 5th Floor, Redwood City, California, 94063 until the hour of
2:00 p.m., Thursday, July 23, 2026
where the bids will be publicly opened and read aloud for the following project in
accordance with the specifications therefore and to which special reference is made as
follows:
ENTRADA WAY CULVERT SLIP-OUT BANK STABILIZATION PROJECT
TOTAL PROJECT APPROXIMATELY 600 FEET IN LENGTH
WITH APPURTENANT WORK THERETO
IN SAN MATEO COUNTY
COUNTY PROJECT NO. 13311
PROJECT FILE NO. E5103
FEDERAL-AID PROJECT NO. FEMA-4683-DR-CA
CAL OES NO. 081-00000
Bids are required for the entire work described herein.
Bidders are advised of the following:
1. Contractor should be placed on a Plan Holders List for bidding. To be
placed on the Plan Holders List, the Contractor shall either:
a. Bidder shall register and create an account on the OpenGov website
to download all bidding documents, including forms of proposal and
contract, directly from
https://procurement.opengov.com/portal/smcgov/projects/267320
Project’s OpenGov Reference:
ENTRADA WAY CULVERT SLIP-OUT BANK STABILIZATION PROJECT
Project ID: E5103
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NC. E5103
b. If bidding documents are obtained through a source other than those
outlined in 1a above, complete and sign the following Plan Holder’s
Affidavit and return to the County by PDF either via email to
mclement@smcgov.org, and wng@smcgov.org or by fax at (650)
361-8220. The Contractor is advised that the table should be
received by the County no later than three (3) working days prior to
the bid opening date.
Plan Holder’s Affidavit
ENTRADA WAY CULVERT SLIP-OUT BANK
Project Title STABILIZATION PROJECT
Project No. 13311
Project
Engineer:
Michael Clement
Project
Manager:
Wency Ng
Bid Open Date and
Time:
2:00 p.m., Thursday, July 23, 2026
Company
Name:
Mailing
Address:
Phone Number:
E-mail
Address:
Fax
Number:
(Name and Title of Authorized Representative of Bidder)
(Signature of Authorized Representative of Bidder)
2. The Plan Holders List will be posted to the County of San Mateo’s Public
Works website two (2) working days prior to the bid open date.
3. Questions regarding the Contract Documents concerning items such as
discrepancies, conflicts, omissions, doubts as to meanings, or regarding
scope of bid items shall be referred to the Engineer. Inquiries must be
received in writing via email, to mclement@smcgov.org and
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NC. E5103
wng@smcgov.org, by 5 PM on July 16, 2026. Inquiries will be answered in
writing via email response if written clarification is warranted, in the
opinion of the Engineer, then inquiries and responses will be posted to the
Project’s page on the County of San Mateo’s Public Works website. It will
be the Contractor’s sole responsibility to ensure that they receive
responses, if any. The County will not be responsible for oral clarifications.
4. It will be the Contractor’s sole responsibility to ensure that they have
received addendums, if any, which will be posted to the County of San
Mateo’s Public Works website on the same day issued. Said addendums
will also be sent to all current plan holders and made available during
purchase of Plans and Specifications.
5. Proposals in which the prices obviously are unbalanced may be rejected.
6. The Contractor’s attention is directed to the importance of complying with
the provisions of Section 7-0.10, “Federal Forms, Posters and Data
Required of Contractor During Construction,” and Appendix G, “Pre-
Construction Handout Packet for Federal-Aid Contracts,” of these Special
Provisions.
7. Bids which are not received in a sealed envelope by bid opening will be
rejected. This includes all envelopes which are secured by metal clasp,
twist tie, string or those which do not otherwise preclude unauthorized
access. Bidders who deliver their bids in an envelope which is not sealed
may be allowed to correct this deficiency provided they do so before
time/date specified for opening of bids.
The Department of Public Works website will be updated as needed and can be
accessed under the Department’s tab found on the County of San Mateo website
(http://publicworks.smcgov.org/publicworks).
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NC. E5103
ENGINEER’S ESTIMATE
ENTRADA WAY CULVERT SLIP-OUT BANK STABILIZATION PROJECT
TOTAL PROJECT APPROXIMATELY 600 FEET IN LENGTH
WITH APPURTENANT WORK THERETO
IN SAN MATEO COUNTY
COUNTY PROJECT NO. 13311
PROJECT FILE NO. E5103
FEDERAL-AID PROJECT NO. FEMA-4683-DR-CA
CAL OES NO. 081-00000
Item Section Estimated Unit of
No. No. Quantity Measure
Item
Description
GENERAL CONSTRUCTION
1
10
1
LS Develop and Apply Water
2
11
1
LS Mobilization
3
12
1
4
13
1
5
13
1
6
13-12
1
7
14
1
8
14-11
1
9
15-1
1
10
15-2
2
11
15-3
5
LS Maintaining Traffic
LS Water Pollution Control Plan
LS Water Pollution Control
LS Temporary Creek Diversion Systems
LS Construction Waste Management
LS Treated Wood Waste
LS Remove Drainage Facilities
EA Adjust Water Valve Box to Grade
EA Pothole and Protect Existing Utilities
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NC. E5103
ENTRADA WAY CULVERT SLIP-OUT BANK STABILIZATION PROJECT
Engineer’s Estimate – Continued from Previous Page
Item Section Estimated Unit of
No. No. Quantity Measure
Item
Description
EARTHWORK AND LANDSCAPE
12
17-1
13
17-1
14
17-1
15 19-1.01
16 19-1.02
17
19-2
18
19-2
19
19-2
20
19-3
21
19-3
22
19-3
23
19-3
24
19-3
25
19-3
26
19-3
27 19-11
28
20-3
29
20-4
1
1
10
81
2.3
1
381
183
40
1,404
122
102
15
9
100
480
0.3
1
LS Clearing and Grubbing
LS Tree Removal
EA Additional Tree Removal
CY Roadway Excavation
CY Roadway Backfill
LS Pipe Outfall Construction
CY Channel Excavation
TON Streambed Sediment
CY Imported Topsoil
CY Structure Excavation (ELS)
CY Structure Excavation (Soldier Pile Wall)
CY Structure Backfill (Soldier Pile Wall)
CY Concrete Backfill (Soldier Pile)
CY Lean Concrete Backfill (Soldier Pile)
TON Import Structure Backfill (ELS)
SQ.YD. Vegetated Soil Lifts
AC Planting
LS Weed and Pest Control
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This is the opportunity summary page. It provides an overview of this opportunity and a preview of the attached documentation.