Special Provisions

SPECIAL PROVISIONS

TABLE OF CONTENTS

DIVISION I – GENERAL PROVISIONS

1 General …………………………………………………………………………………………. 1

2 Bidding …………………………………………………………………………………….……. 3

3 Contract Award and Execution …………………………………………………………….…. 4

4 Scope of Work ………………….………………….…………………………………….……. 5

5 Control of Work ………………….……………………………………………………….……. 7

6 Control of Materials ………….…………………………….……………………………….…. 9

7 Legal Relations and Responsibility to the Public ……………….……………….….……… 11

8 Prosecution and Progress ….………………………………………….………………….…. 12

9 Payment …………………………………………………………………………….……….…. 12

DIVISION II – GENERAL CONSTRUCTION

10 General …………………………………………………………………….……...….………. 13

12 Temporary Traffic Control ……………………………………………………...……………. 14

13 Water Pollution Control ………………………………………………...……...……………. 15

14 Environmental Stewardship …………………………………………………...………….… 15

15 Existing Facilities ……….…………………………………………………….……………… 15

DIVISION V – SURFACINGS AND PAVEMENTS

37 Seal Coats ………………………………………………………………………….…………. 16

DIVISION IX – TRAFFIC CONTROL DEVICES

82 Signs and Markers ………………………………………………………….………….……. 19

84 Markings ………………………………………………………………………………………. 20

Roads, Parking Lots and Signs Improvements at the Naval Weapons Station Seal Beach Project 800 Seal Beach Blvd, Seal Beach, CA 90740

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Roads, Parking Lots and Signs Improvements at the Naval Weapons Station Seal Beach Project 800 Seal Beach Blvd, Seal Beach, CA 90740

IFB 255105

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Special Provisions 1

Attachments:

Attachment A – Construction Laydown Yard Form

Attachment B – Fire Prevention Guide

Attachment C – NWSSB Rules and Regulations

Attachment D – Security Guidelines for Contractors

ORGANIZATION

These Special Provisions modify and supplement the Caltrans 2025 Standard Specifications, which are incorporated by reference. Where a conflict exists, these Special Provisions govern.

Special provisions are under headings that correspond with the main-section headings of the Standard Specifications. A main-section heading is a heading shown in the table of contents of the Standard Specifications.

Each special provision begins with a revision clause that describes or introduces a revision to the Standard Specifications.

Any paragraph added or deleted by a revision clause does not change the paragraph numbering of the Standard Specifications for any other reference to a paragraph of the Standard Specifications.

DIVISION I GENERAL PROVISIONS

1 GENERAL

1‑1.01 GENERAL (Add the following)

The Work embraced herein shall be done in accordance with the Caltrans Standard Specifications dated 2025, insofar as they apply.

Wherever in the Caltrans Standard Specifications the terms "State," "Department," "Director," or "Engineer" are used, they shall be understood to mean the Orange County Transportation Authority (Authority or OCTA) or the Naval Weapons Station Seal Beach (NWSSB), or its designated Public Works Officer.

The Contractor shall prepare and submit a Site-Specific Work Plan (SSWP) for approval prior to commencing the Work. The SSWP shall describe construction sequencing, staging, traffic control, safety procedures, and coordination with Naval Weapons Station Seal Beach (NWSSB) operations.

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Special Provisions 2

The Contractor shall also prepare Traffic Control and Detour Plans and a Traffic Management Plan (TMP) for review and approval by the OCTA.

The Contractor shall obtain all copies of the Contract Drawings and Specifications including all addenda through OCTA CAMMNET website, as required to perform the Work. The cost for obtaining any additional documents required for the Contractor shall be included in the lump sum bid price and no additional compensation will be allowed.

All Drawings, Specifications, and other Contract Documents, and copies furnished by the OCTA are its property. They are not to be used on other work and with the exception of signed contract sets are to be returned to the OCTA upon request at the completion of the work. The location of the Work, its general nature and extent, and the form and general dimensions of the project and appurtenant works are shown on the Contract Drawings which are hereby made a part of these Specifications as listed herein.

The general intent of the Contract, Specifications, Drawings, and other Contract Documents is that the Contractor shall:

1. Furnish tools, qualified labor, material, equipment, qualified superintendence, and services, assurances and guarantees, and assumptions of risk and responsibility, necessary for the performance of the Work as set forth in the Contract Documents unless otherwise specifically provided.

2. Begin Work promptly and proceed expeditiously and continuously without cessation or shutdown of Work unless otherwise specifically approved in writing by the OCTA, or directed by the Contract Documents.

3. Perform, complete, and make ready for its intended purpose, within the times specified, including additional times provided for certain conditions, the work or parts thereof covered by the Contract, all in accordance with the Drawings, Specifications, and modifications thereto and directions or instructions the OCTA may give to supplement the Drawings and Specifications. The Contractor shall retain sole responsibility and expense for quality control of the Work.

4. Stage the construction activities at the project site and submit conceptual Traffic Control and Detour Plans to OCTA for approval.

1‑1.02 REFERENCED STANDARDS (Add Section)

The latest editions of the following publications, including applicable amendments in effect on the date of advertisement, are incorporated by reference and shall govern the Work where referenced in the Contract Documents:

1. Caltrans Standard Specifications (2025)

2. Caltrans Standard Plans (2025)

3. California Manual on Uniform Traffic Control Devices (CA MUTCD)

4. Standard Specifications for Public Works Construction (Greenbook), latest edition

5. ASTM International Standards referenced herein

6. California Building Code (CBC)

7. California Fire Code (CFC)

8. California Code of Regulations (CCR)

9. NWSSB Base Regulations and Security Requirements (Attachment D)

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Special Provisions 3

10. NWSSB Rules and Regulations (Attachment C)

11. Fire Prevention Guide (Attachment B)

Where requirements of referenced standards conflict, the order of precedence shall be:

1. Change Orders

2. Addenda

3. Special Provisions

4. Project Plans

5. Caltrans Standard Specifications

6. Caltrans Standard Plans

7. Referenced standards and manuals

Mobilization is operations necessary for the movement and arrival at the work site of personnel, equipment, supplies, and appurtenances, all in ready and satisfactory working and operational order, which the Contractor intends to use for the Work; for the establishment of all temporary offices and Contractor-owned structures and other temporary facilities necessary to perform the Work; proper security clearance and safety training of project personnel; and for incidental work and operations which must be performed prior to beginning work on the various Contract items.

Demobilization is operations necessary for the removal of all personnel, equipment, supplies, appurtenances, Contractor-owned structures, temporary facilities, materials, and debris from the work site, and restoration of the site and surrounding properties affected by the Contractor’s activities to pre-construction conditions, as approved by the OCTA.

2 BIDDING

2-1.04 PREBID OUTREACH MEETING (Replace section with the following)

An on-site/in-person prebid conference will be held on Thursday, October 8, 2026, at 9:00 a.m. at the OCTA’s Administrative Office, 550 South Main Street, Orange, CA 92868 in Conference Room 08.

A copy of the prebid conference presentation slides and registration sheet(s) will be issued via addendum prior to the date of the pre-bid conference. The job walk for this project will be held on Monday, October 12, 2026, at 10:00 a.m. at the Naval Weapons Station Seal Beach.

Please make sure to obtain security clearance from the Navy for the in-person site walk as stated in the attachment D for Security Guidelines for Contractors. All prospective bidders are strongly encouraged to attend the prebid conference and job walk.

Bidders will be required to submit the name, business address, and California contractor license number of each subcontractor who will perform work or labor or render service to the bidder in or about the Work in an amount in excess of one-half of one percent (1/2 of 1 %) of the bidder’s total bid. If a subcontractor’s California contractor license number is submitted incorrectly, it will not be grounds for filing a bid protest or grounds for considering the bid

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Special Provisions 4 nonresponsive if the corrected subcontractor’s California contractor license number is submitted to the OCTA within 24 hours after the bid opening.

3 CONTRACT AWARD AND EXECUTION

3-1.04 CONTRACT AWARD (Replace section with the following)

Any contract awarded as a result of this Issued for Bid (IFB), will be awarded to the lowest responsive and responsible bidder. OCTA will determine the lowest bid price as a total of the base work, in accordance with the requirements of this IFB.

OCTA has a limited budget for the project. OCTA has the discretion to award the base work that fit within the budget. OCTA reserves the right to not award any of the optional bid items.

The contract to be awarded is the Agreement presented in Section VI of this IFB.

Please note that by submitting a Bid, Bidder certifies that it is not subject to any Ukraine/Russia-related economic sanctions imposed by the State of California or the United States Government including, but not limited to, Presidential Executive Order Nos. 13660, 13661, 13662, 13685, and 14065. Any individual or entity that is the subject of any Ukraine/Russia related economic sanction is not eligible to submit a Bid. In submitting a Bid, all Bidders agree to comply with all economic sanctions imposed by the State or U.S. Government.

Bids must be submitted at or before 11:00 a.m., November 2, 2026.

Bids delivered in person or by a means other than the U.S. Postal Service shall be submitted to the following:

Orange County Transportation Authority

Contracts Administration and Materials Management

600 South Main Street, (Lobby Receptionist)

Orange, California 92868

Attention: Gustavo Valle, Senior Contracts Administrator

Or bids delivered using the U.S. Postal Service shall be addressed as follows:

Orange County Transportation Authority

Contracts Administration and Materials Management

550 South Main Street

P.O. Box 14184

Orange, California 92863-1584

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Special Provisions 5

Attention: Gustavo Valle, Senior Contracts Administrator

Bids and amendments to bids received after the date and time specified above will be returned to the bidders unopened.

3-1.09 COST BREAKDOWN (Add section)

Within 15 calendar days after to Notice to Proceed, Contractor shall submit a detailed cost breakdown of the lump‑sum bid showing major categories and subcategories of work.

Mobilization shall not exceed 10 percent of total construction cost. Bonds and insurance shall be listed as separate line items.

4 SCOPE OF WORK

4-1.03 WORK DESCRIPTION (Add the following)

Project scope occurs at the NWSSB in Seal Beach, California. The Work under this contract consists of roadway and parking infrastructure improvements, and signage replacement, including but not limited to mobilization, demobilization, pavement preservation, striping restoration, crack sealing, traffic control, material disposal, signage removal and installation as reflected within the Project Plans and Specifications.

Summary of Work

The purpose of this project is to restore, improve, and standardize transportation infrastructure elements at the NWSSB to ensure they are safe, visible, functional and compliant with regulatory standards. There are three distinct areas of the project: the roadway improvements, the parking lot restoration and the signage improvements.

Roadway Improvements

This Work involves restoring roadway surfaces and pavement markings to improve safety and visibility for drivers and pedestrians. The scope includes sealing cracks and refreshing/reapplying existing striping, which includes centerlines, crosswalks, stop bars, and directional markings to clearly define traffic movement. Curb markings will be cleaned. All work will be performed in accordance with the Plans and as required by the Specifications, with appropriate traffic control measures implemented to maintain safe and continuous vehicle and pedestrian circulation during construction.

Parking Lot Restoration

The Work focuses on rehabilitating parking lot surfaces and markings to enhance functionality and safety. Activities include crack sealing to preserve pavement conditions and removal or obscuring of worn or outdated striping. New striping will be

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Special Provisions 6 applied to clearly define parking stalls, drive aisles, and internal circulation patterns.

Accessible parking spaces will be laid out and installed with proper markings.

Additional work includes cleaning curb markings and repainting directional arrows and crosswalks. Temporary wheel stop removals may be necessary to facilitate proper striping and/or slurry coat/crack sealing.

Signage Improvements

The Work includes the removal, replacement and installation of traffic and regulatory signage to ensure clarity, safety, and compliance with Project Plans and Specifications. Existing signs identified as out of scope, damaged, faded, or non-compliant will be removed and properly disposed of. All replacement signs shall conform to the latest CA MUTCD requirements regardless of the existing sign configurations. New signage will be installed on compliant breakaway posts. New signs and posts must be installed at the proper offset from the edge of the roadway, and at the appropriate height and size for posted speed limit. Where a conflict exists, consult with the Navy. All signs will be placed and installed in accordance with Project Plans and Specifications.

The Bid Form identifies the items in the Schedule of Value associated with the Work, including both unit-price and lump-sum bid items as applicable to each component of the Project.

Construction activities shall be coordinated with NWSSB operations. Work shall be scheduled to minimize impacts to ongoing military operations. Construction activities shall consist of an 8-1/2 hour period between 7:00 am to 3:30 pm Monday through Friday excluding government holidays unless approved in writing in advance by OCTA. Specific non-working holidays include New Year’s Day, Washington’s Day, Memorial Day, Juneteenth Day, Independence Day, Labor Day, Martin Luther King’s Day, Veterans Day, Thanksgiving Day and Christmas Day.

Where required by the approved Traffic Control Plan, construction area shall be cordoned off using temporary barriers and chain link fencing unless otherwise noted on the Contract Drawings and approved Traffic Control on referenced manuals.

4‑1.05 CHANGES AND EXTRA WORK

4‑1.05A General (Replace section with the following)

Extra work must be authorized by written change order. Compensation shall be by agreed price or force account. Markups shall not exceed:

• 20 percent total markup for agreed price

• 15 percent materials markup

• 20 percent labor markup plus 17 percent labor surcharge

• 15 percent equipment markup

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4‑1.07 VALUE ENGINEERING

4‑1.07A General (Add the following)

Contractor may submit Value Engineering Proposals. Savings shall be shared 50 percent OCTA / 50 percent Contractor.

5 CONTROL OF WORK

5-1.01 GENERAL

5‑1.01A Order of Work (Add section)

Perform Work in the order directed by the OCTA to expedite completion.

5‑1.01B Acceleration (Add section)

OCTA may direct acceleration in writing. Contractor must track acceleration costs separately.

Only overtime, shift premiums, added labor, and added equipment are recoverable.

5‑1.01C Security Requirements (Add section)

All personnel working on the project within NWSSB shall comply with security requirements.

All delivery personnel must be approved through the same process.

See attachment D for Security Guidelines for Contractors.

5-1.23 SUBMITTALS

5‑1.23A General (Replace section with the following)

Prior to commencing work, the Contractor shall submit the following for review and approval:

1. Site-Specific Work Plan (SSWP)

2. Traffic Management Plan (TMP)

3. Traffic Control and Detour Plans

4. Construction Staging Plan

5. Best Management Practices (BMP) Plan

Work shall not begin until the above submittals have been approved by the OCTA.

It is the Contractor's responsibility to identify all other submittals that will be required to perform the Work.

Contractor shall transmit all submittals through OCTA unless otherwise directed, and shall allow for 21 calendar days for OCTA to review submittals. Resubmittals by the Contractor

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Special Provisions 8 shall be reviewed by OCTA within 14 calendar days, and after review and return by OCTA, Contractor shall resubmit within 7 calendar days.

Contractor shall submit an electronic copy of each submittal in PDF format, plus up to 3 hard copies of each submittal if requested by OCTA.

Contractor shall maintain a log of all approved submittals on the job site.

Submittals shall be consecutively and uniquely numbered using a document identifier including Contract number and the appropriate suffix, which will include specification section number and submittal number. Submittals under each specification section shall be in a separate package.

Contractor shall submit Certificates of Compliance to OCTA for those materials and products for which no samples and test results are specified.

5-1.42 REQUESTS FOR INFORMATION (Replace section with the following)

All questions and requests for clarification of the Contract Documents from the Contractor and its subcontractors shall be submitted in writing as a “Request for Information” (RFI).

RFI’s shall be submitted on a form provided by OCTA. The Contractor shall be given the form electronically upon Notice to Proceed.

RFI’s from subcontractors or material suppliers shall be submitted through, reviewed by, and signed by the Contractor prior to submittal to OCTA.

In the event the Contractor believes that an RFI response by OCTA results in additional costs, the Contractor shall not proceed with the work indicated by the RFI until a change order is prepared and approved. Answered RFI’s shall not be construed as approval to perform extra work.

RFI’s submitted to request clarification of issues related to means, methods, techniques, and sequencing of construction, or to establish scope of subcontractors’ work will be returned without a response.

Unanswered RFI’s will be returned with a stamp or notation indicating “Not Reviewed”.

Contractor shall assign each RFI a sequential number starting from 001. Contractor shall prepare and maintain a log of RFI’s and, at any time requested by OCTA, furnish copies of the log showing all outstanding RFI’s. Contractor shall also note all unanswered RFI’s in the log.

Contractor shall allow for 14 calendar days review and response time for RFI’s.

5-1.43 POTENTIAL CLAIMS AND DISPUTE RESOLUTION

5‑1.43A General (Replace section with the following)

Contractor shall submit written claims within 10 days of the event giving rise to the claim.

Claims must include factual statements, supporting documents, time‑impact analysis, and cost breakdown. A notarized certification is required.

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5-1.46 FINAL INSPECTION AND CONTRACT ACCEPTANCE (Replace section with the following)

Upon completion of all work, including punch list and documentation, Contractor shall request Final Acceptance in writing. Authority will inspect within 30 days and either reject with deficiencies or issue Final Acceptance.

6 CONTROL OF MATERIALS

6-1.05 SPECIFIC BRAND OR TRADE NAME AND SUBSTITUTION (Replace section with the following)

1. Specifications Review

Should a bidder find discrepancies in, or omissions from, the Drawings or Specifications, or be in doubt as to their meaning, the bidder shall notify OCTA in writing in accordance with item 3 (“Submitting Requests”) below. Should it be found that the point in question is not clearly and fully set forth, a written addendum clarifying the matter will be sent to all firms registered on CAMM NET under the commodity codes specified in the IFB.

2. Preference for Materials

In accordance with the California Public Contract Code Section 3400, reference to any equipment, material, article or patented process, by trade name, make, or catalog number, shall not be construed as limiting competition. In those cases where the Specifications call for a designated material, product, or service by specific brand or trade name and there is only one brand or trade name listed, the item involves a unique or novel product application required to be used in the public interest or is the only brand or trade name known to OCTA.

Where the Specifications or Drawings identify any material, product or service by one or more brand names, whether or not “or equal” is added, and the bidder wishes to propose the use of another item as being equal, approval shall be requested as set forth in below.

3. Submitting Requests

a. All requests for approved equals, clarification of Specifications, or questions must be put in writing and must be received by OCTA no later than 5:00 p.m., on October 14, 2026.

b. Requests for approved equals, clarifications, questions must be clearly labeled, "Written Questions". OCTA is not responsible for failure to respond to a request that has not been labeled as such.

c. Any of the following methods of delivering written questions are acceptable as long as the questions are received no later than the date and time specified above:

1. U.S. Mail: Orange County Transportation Authority, P.O. Box 14184, Orange, California 92863-1584.

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2. Courier/Overnight: Orange County Transportation Authority, 600 South Main Street, Lobby Receptionist, Orange, California 92868

3. Facsimile: (888) 404-6282.

4. E-Mail: gvalle@octa.net

d. Any request for an approved equal or clarification of the Specifications must be fully supported with technical data, test results, or other pertinent information as evidence that the substitute offered is equal to or better than the specification requirements. The burden of proof as to the equality, substitutability, and the compatibility of proposed alternates or equals shall be upon the bidder, who shall furnish all necessary information at no cost to OCTA. OCTA shall be the sole judge as to the equality, substitutability and compatibility of the proposed alternatives or equals.

4. Authority Responses

Responses from OCTA will be posted on CAMM NET, no later than five (5) calendar days before the scheduled date of bid opening. Bidders may download responses from CAMM NET at https://cammnet.octa.net, or request responses may be sent via U.S. Mail by e-mailing or faxing the request to Gustavo Valle, Senior Contracts Administrator.

To receive e-mail notification of Authority responses when they are posted on CAMM NET, bidders and their subcontractors must be registered on CAMM NET with at least one of the following commodity codes for this solicitation selected as part of the vendor’s on-line registration profile:

Category: Commodity:

Facility; Equipment, Supplies Asphalt Concrete & Cement

Construction Materials

Road / Highway building materials

Sand & Gravel

Security, Safety & Health

Equipment

Hazardous Waste - Disposal

Equipment

Safety Equipment

Construction Concrete

Construction (General)

Construction Management

Services

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Earthwork / Paving

General Contractor

Traffic Control Devices

Traffic Control Services

Security, Safety and Health Services Hazardous Waste Removal & Disposal Services

Safety Training

Inquiries received after 5:00 p.m. on October 14, 2026, will not be responded to.

7 LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC

7-1.02 LAWS

7-1.02A General (Replace section with the following)

The Contractor shall comply with all applicable Federal, State, and local laws and regulations.

The Contractor shall coordinate with utility owners through DigAlert prior to performing any excavation. The Contractor shall be responsible for protection of existing facilities, public safety, and prevention of environmental impacts resulting from construction activities.

Laws to be observed, fire prevention, protection of premises, use of explosives, access roads, construction roads, waste control, public relations, and pollution controls.

7‑1.02K Labor Code

7-1.02K(2) Wages (Replace section with the following)

Contractor shall comply with all applicable prevailing wage laws. Payrolls must be submitted weekly. Apprentices must be properly registered. Authority may deduct sums for unpaid labor, stop notices, or failure to maintain records.

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8 PROSECUTION AND PROGRESS

8‑1.02C(3) Schedule (Replace with the following)

For all schedules and scheduling requirements/activities related to this Contract, the Contractor can utilize Primavera Project Planner, Microsoft Project software, or Excel worksheets to prepare time-scaled bar-chart schedules that are acceptable to OCTA.

9 PAYMENT

9-1.01 GENERAL (Add the following)

Payment provisions are integrated in Sections 1, 4, and 8 of these Special Provisions.

9-1.16 PROGRESS PAYMENTS

9-1.16A General (Replace section with the following)

Progress payments shall be based on percentage of completion and allowable incurred expenses. Authority will retain 5 percent until final payment. No payment will be made for materials not installed. Contractor must pay subcontractors promptly upon receipt of payment.

9-1.16D Mobilization (Replace section with the following)

Compensation for mobilization and demobilization tasks is included in the price indicated in the Bid Form for Mobilization and Demobilization, and shall not exceed 10% of the Contract price. Progress payments for the these bid items shall be determined by OCTA based on the percentage of completion of mobilization and demobilization tasks performed by the Contractor. In addition to the mobilization and demobilization work described in Section 1-1.01 of these Special Provisions, the pay items shall include the following:

1. Submission of a Baseline Schedule

2. Submission and acceptance of the Contractor’s Project Manager and Superintendent

3. Obtaining security clearance from the NWSSB for all construction staff, independent testing service personnel, and construction workers that will be performing work on NWSSB property

Twenty (20%) percent of the value of the Mobilization and Demobilization item in Schedule of Value will not be paid until final completion and acceptance of the Work.

9-1.16E(4) Stop Notice Withholds (Replace section with the following)

Authority may retain funds to cover claims filed under Civil Code §9358.

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9-1.17 PAYMENT AFTER CONTRACT ACCEPTANCE

9-1.17D Final Payment and Claims

9-1.17D(1) General (Replace section with the following)

After Notice of Completion, Authority will issue a proposed final estimate. Contractor must approve or submit claims within 15 days. Final or semi‑final payment will be made 35 days after Notice of Completion.

DIVISION II GENERAL CONSTRUCTION

10 GENERAL

10‑1.01 GENERAL (Add the following)

• All existing signs shall remain unless directed otherwise.

• Striping layout must be approved before final painting.

• All curb paint removal shall be by wet/hydro-blasting or alternative method approved by OCTA.

• Before and after construction, videotape the affected roads.

• Temporarily repair any roadway damage caused during construction.

• Permanently restore any damaged roads to their original condition immediately after offsite improvements are completed.

• Establish construction truck routes with local jurisdictions before beginning work.

10‑1.01A Staging and Laydown Areas (Add section)

Construction staging and laydown areas shall be submitted for approval a minimum of 30 days prior to use. The Contractor shall submit a Site Approval Request form to the OCTA for each proposed area. Upon review and concurrence, the OCTA shall submit the Site Approval Request form to NWSSB for final review and approval.

Staging areas shall be subject to approval by NWSSB with copy to OCTA.

Staging and laydown areas not covered in the Contract Documents shall be requested in writing and approved by OCTA, who may or may not grant approval.

No equipment may be operated, or materials stored or placed for any period of time in unfenced areas.

Contractor shall install a 6-foot high chain link fence with vertical slats for privacy to enclose each staging or laydown area within the right-of-way.

Contractor shall furnish OCTA with photographs of all staging and laydown areas to document their condition prior to starting any work.

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Prior to demobilization, Contractor shall restore to full serviceability all fences, walls, signs, and gates impacted by Contractor’s access to the right-of-way.

10‑1.01B Temporary Facilities and Control (Add section)

Common-Use Field Office: not required.

Storage and Fabrication Sheds: No equipment or tools are allowed to be stored at the jobsite without OCTA and NWSSB written permission. If on-site storage is permitted, provide access and orderly provision for maintenance and for inspection of products.

Temporary Fire Protection:

1. Fire safety during construction shall comply with CFC – California Fire Code (CCR) California Code of Regulations, Title 24, Part 9, Article 87.

2. Store combustible materials in containers in fire-safe locations.

3. Maintain unobstructed access to fire extinguishers, fire hydrants, temporary fire protection facilities, stairways, and other access routes.

4. Comply with NWSSB Fire & Emergency Contractors Fire Prevention Guide

(attachment B) supervision of welding operations, combustion-type temporary heating units, and similar sources of fire ignition.

Waste Disposal:

1. Waste Management: In compliance with NWSSB regulations.

2. Maintain work areas free of waste materials, debris, and rubbish.

3. Remove waste materials, debris and rubbish from site periodically during a workday and legally dispose of off-site at the end of each workday by 3:30 p.m.

4. Maintain site area in a clean and orderly condition.

12 TEMPORARY TRAFFIC CONTROL

12-1 GENERAL

12‑1.01 GENERAL (Add the following)

The Contractor shall prepare and submit a Traffic Management Plan (TMP) for approval prior to performing work affecting vehicular or pedestrian traffic.

The TMP shall include, at a minimum:

- Traffic control measures

- Lane closures and detours

- Emergency access provisions

- Phasing of construction activities

- Coordination with NWSSB operations

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13 WATER POLLUTION CONTROL

13-1 GENERAL

13-1.01 GENERAL (Add the following)

The Contractor shall implement Best Management Practices (BMPs) for all construction activities, including slurry seal and hydro-blasting operations.

A BMP Plan shall be submitted at least 14 days prior to start of the Work and shall include measures for:

- Stormwater protection

- Spill prevention and response

- Dust control

- Wastewater containment Spill response equipment shall be maintained onsite at all times.

14 ENVIRONMENTAL STEWARDSHIP

14-1 GENERAL

14-1.01 GENERAL (Add the following)

Control dust, noise, and overspray during striping and slurry operations.

Limit noise-producing activities to hours allowed for construction activities by local jurisdictions.

Construction-related equipment, including heavy-duty equipment, motor vehicles, and portable equipment, shall be turned off when not in use for more than 30 minutes. Diesel-fueled commercial motor vehicles with gross vehicular weight ratings of greater than 10,000 pounds shall be turned off when not in use for more than 5 minutes.

15 EXISTING FACILITIES

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15-1.01 GENERAL (Replace section with the following)

Summary: Work under this section includes removing and disposing of deteriorated pavement markings, removing regulatory traffic signs, and removing breakaway sign posts.

Deactivations: All references within Section 15 of the 2025 Caltrans Standard Specifications regarding bridge demolition, utility relocation, and highway drainage structure abandonment are Not Used.

15-1.02 MATERIALS (Replace section with the following)

All removed signs, posts, reusable hardware, and pavement materials shall be salvaged and returned to NWSSB.

15-1.03 CONSTRUCTION

15-1.03D Pavement Marking Removal (Add section)

Deteriorated pavement markings, crosswalks, and parking stall lines must be completely removed by grinding, water-blasting, or a method authorized by OCTA. Bleeding or ghost lines that could confuse drivers or pedestrians are unacceptable. Sand or black paint cover-overs are not used unless approved for temporary traffic shifts by OCTA.

15-1.03E Sign and Post Removal (Add section)

Remove designated traffic signs, regulatory signs, and breakaway sign posts cleanly. Backfill all post holes with standard concrete mix or compacted gravel to match the surrounding grade (concrete for sidewalks and compacted fill/asphalt patch for asphalt surfaces).

15‑1.03F Curb Paint Removal (Add section)

Remove existing curb paint using wet/hydro‑blasting or alternative method approved by OCTA.

Prevent damage to concrete surfaces. Contain and dispose of wastewater per Section 13 of the Caltrans Standard Specifications.

DIVISION V SURFACINGS AND PAVEMENTS

37 SEAL COATS

37‑5 PARKING AREA SEALS (Replace section with the following)

Pavement maintenance of select roadways and parking lots shall be improved through application of Type II Emulsion Aggregate Road Slurry Seal. All materials, application methods, testing and quality shall conform to the Standard Specifications for Public Works Construction (SSPWC), latest edition.

Contractor shall submit mix design for emulsified asphalt grade and combined aggregate gradation to be used in the Work. Mix designs shall conform to ASTM D3910. Laboratory

800 Seal Beach Blvd, Seal Beach, CA 90740

IFB 255105

EXHIBIT B

Special Provisions 17 reports supporting each mix design shall be included with the submittals and identify the aggregate source and supplier, emulsified asphalt supplier and test results. Mix designs more than 30 days old shall be supplemented with a Certificate of Compliance that demonstrates the combined aggregate gradation is within ±3 percent of the referenced mix design based on a 30-day moving average or the average of a minimum of 10 most current laboratory results, whichever is greater. If the source of aggregate or emulsified asphalt is changed, a new mix design shall be performed.

Type II Slurry Seal (TON) shall include furnishing, placing, and compacting slurry seal in accordance with Section 37-5.

MATERIALS:

Aggregate. Aggregate shall be Type II and conform to SSPWC Section 200-1.7. Aggregate, excluding mineral filler, shall be 100 percent crushed rock.

Sand Equivalent shall be a minimum of 55% (ASTM D2419).

Percentage Wear at 500 Revolutions shall be a maximum of 40% (ASTM C131).

Soundness (5 cycles) shall be a maximum of 15% (ASTM C88).

Grading shall conform to:

Emulsion-Aggregate Slurry (EAS). Emulsified asphalt shall be PMCQS-1h, in accordance with SSPWC Section 302-4.3.2. Emulsified asphalt % by weight of dry aggregate shall be 14-18 with residual asphalt content % by weight of dry aggregate of 7.5 minimum. Set control agent shall be either Type II or Type V Portland cement conforming to aluminum sulfate requirements, SSPWC Section 201-1.2.1.

Calibration. Each continuous-flow mixer to be used in the application of the Type II EAS shall be calibrated and shall remain valid through project completion. Calibration procedure shall conform to SSPWC Section 302-4.6.4 and ISSA “Inspector’s Manual MA-1.”

800 Seal Beach Blvd, Seal Beach, CA 90740

IFB 255105

EXHIBIT B

Special Provisions 18

SITE PREPARATION

• Prior to spreading, the pavement shall be cleaned and cleared of all loose debris by sweeping, flushing, or other method which results in the removal of all loose extraneous materials.

• All vegetation shall be removed and cleared from pavement areas being slurry sealed, by torch, pressure washer, or other method which results in complete vegetation removal.

• Cracks ¼” wide and greater shall be cleaned, routed, and crack filled with cold applied crack fill.

• Thermoplastic striping, raised pavement markings, and raised pavement marker adhesive shall be protected in-place or removed in accordance with SSPWC Section 302.3.9.

APPLICATION:

Application shall be spread by a spreader box attached to a continuous-flow mixer spreader truck conforming to the Calibration specifications herein. Maximum speed of spreader box shall not exceed 270 feet per minute. Application rate shall conform to SSPWC Section 302-

4.9.2 with a minimum rate of 12 lbs./yd² and maximum of 15 lbs./yd². Ambient or pavement temperature shall be a minimum of 50⁰F and rising prior to placement.

CURING:

Parking Lots. Application shall be completed no later than 2:00 PM to allow adequate daylight curing prior to evening traffic. Slurry seal shall remain closed to all traffic for a minimum of twenty-four (24) hours, or until the slurry has fully cured and exhibits no pick-up or tracking under traffic loading, whichever period is longer. OCTA may shorten or extend the curing period based on observed field conditions, including but not limited to ambient temperature, shortened days during the winter season, humidity, surface moisture, and visual confirmation of cure.

Local Roads and Drives. Application shall be completed no later than 2:00 PM to allow adequate daylight curing prior to evening traffic. Slurry seal shall remain closed to traffic for a minimum of three (3) hours, or until the slurry has fully cured and exhibits no pick-up or tracking under traffic loading, whichever period is longer. OCTA may shorten or extend the curing period based on observed field conditions, including but not limited to ambient temperature, shortened days during the winter season, humidity, surface moisture, and visual confirmation of cure.

VERIFICATION TESTING:

The Contractor shall provide field samples at the time of placement for the purpose of verification testing consisting of extraction tests, consistency tests, and wet track abrasion tests. Bulk field samples of the aggregate and emulsion shall be obtained for gradation, emulsified asphalt and residual asphalt content testing, conforming to the SSPWC and Specifications herein. Field samples specimens shall be fabricated in the field at the time of placement for the purpose of Wet Track Abrasion Tests (WTAT). A minimum of 2 samples per truck per day shall be obtained for WTAT and tested by ASTM method D3910, WTAT shall not exceed a maximum weight loss of 60 gm/ft².

STRIPING:

800 Seal Beach Blvd, Seal Beach, CA 90740

IFB 255105

EXHIBIT B

Special Provisions 19

Parking Lots. Parking lots shall be restriped to match existing configuration, apply two coats of traffic paint a minimum of 72 hours after placement of the Type II EAS. Broken or missing reflectors shall be replaced. Striping and pavement markers for parking lots shall conform to Sections 214-4 and 214-6 of the SSPWC, respectively.

Local Roadways. Local roads shall be restriped to match existing configuration, apply one coat of thermoplastic material for traffic striping and markings a minimum of 72 hours after placement of the Type II EAS. Broken or missing reflectors shall be replaced. Striping and pavement markers for parking lots shall conform to Sections 214-5 and 214-6 of the SSPWC, respectively.

PAYMENT:

The payment quantity for parking area seal is the weight determined by combining the weights of the aggregate and asphaltic emulsion. The payment quantity for parking area does not include the added water and set-control additive.

DIVISION IX TRAFFIC CONTROL DEVICES

82 SIGNS AND MARKERS

82-1 GENERAL

82-1.01 GENERAL (Add the following)

The work includes removal of existing signs and posts, furnishing and installation of new regulatory, warning, guide, parking, accessible parking, electrical vehicle parking, and miscellaneous traffic signs shown on the Plans or directed by the OCTA.

All signs shall conform to the latest California MUTCD, Caltrans Standard Specifications, Caltrans Standard Plans, and Project Plans.

Existing signs designed for removal shall be removed together with associated posts, foundations, and hardware unless otherwise shown on the Plans. Salvaged materials shall be returned to the NWSSB as directed by the OCTA.

New sign panels shall be fabricated from aluminum and shall utilize retroreflective sheeting meeting CA MUTCD requirements for the sign type and roadway classification.

Sign supports shall be breakaway sign posts conforming to Caltrans standards. Signs shall be installed plumb and at the mounting height and lateral offset required by the CA MUTCD.

All replacement signs shall conform to the latest CA MUTCD requirements regardless of the existing sign configuration.

The Contractor shall verify all sign locations in the field prior to installation and shall notify the OCTA of conflicts with utilities, fences, gates, structures, or sight-distance requirements.

800 Seal Beach Blvd, Seal Beach, CA 90740

IFB 255105

EXHIBIT B

Special Provisions 20

82-1.04 PAYMENT (Add the following)

Full compensation for furnishing, removing, salvaging, replacing, and installing signs, posts, foundations, hardware, and incidental work shall be included in the contract lump-sum price paid for Signage Improvements.

84 MARKINGS

84-1 GENERAL

84-1.01 GENERAL

84‑1.01A Paint Pavement Markings (Add section)

Install:

• Crosswalk diagonal per Caltrans Standard Plan A24F.

• Walkway hatchings (4‑inch border, 4‑inch diagonal at 45 degrees, 5 feet O.C.)

• 4‑inch white parking stall lines

• 12-inch white paint limit line per Caltrans Standard Plan A24G.

• Blue accessible parking stall lines

• EV parking stall markings

• Two coats of paint

• Beaded per Caltrans

• MUTCD compliance

84‑1.01B Layout and Tolerances (Add section)

Layout must match existing unless otherwise noted. Field verification required.

84‑1.01C Accessible Markings (Add section)

Install accessible parking stalls and walkways per Caltrans Standard Plan A90A.

84‑1.01D EV Stall Markings (Add section)

Install EV parking stall markings matching existing layout.

84‑1.01E STOP Legends (Add section)

Install STOP legends per Caltrans Standard Plan A24D.

84‑1.01F Centerline Striping (Add section)

Install centerline striping using paint per Caltrans Standard Plan A20A or as directed per Contract Plans.

800 Seal Beach Blvd, Seal Beach, CA 90740

IFB 255105

EXHIBIT B

Special Provisions 21

84‑1.01G Pavement Arrows (Add section)

Install pavement arrows per Caltrans Standard Plan A24A or as directed per Contract Plans.

Attachment A

Construction Laydown Yard Form

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Attachment B

Fire Prevention Guide

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Attachment C

NWSSB Rules and Regulations

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