20-Attachment C - Supplemental Specifications.pdf

April 6, 2026

Supplemental Specifications

Section 1 - Specifications

1.01R Workmanship And Materials

This project is to be constructed utilizing Hillsborough County Public Works Standard Specifications for Construction October 2023 Edition; FDOT FY 2026-27 Standard Plans for Road and Bridge Construction (or most current edition); FDOT Standard Specifications for Road and Bridge Construction FY2026-27 (or Latest Edition); with the exception of Division I and Division II Sections 100 through 103 and 105; Hillsborough County Public Utilities Water, Wastewater and Reclaimed Water Technical Specifications November 2021 and Hillsborough County Public Utilities Water, Wastewater, and Reclaimed Water Technical Manual October 2023 (or most current) Edition; Hillsborough County Stormwater Technical Manual 2023; Tampa Electric Company Standard Electric Service Requirements, latest edition, available from Tampa Electric Company; ANSI-A300 American National Standard for Tree Care Operations – Tree, Shrub, and Other Woody Plant Management-Standard Practices (Root Management), and its companion publication Root Management, Best Management Practices by the International Society of Arboriculture, and the Supplemental Specifications herein. Any conflict between the documents shall be resolved in accordance with the requirements of the Hillsborough County General Terms and Conditions.

With the exception of the Specifications contained herein and the Hillsborough County Public Utilities Water, Wastewater and Reclaimed Water Technical Specifications October 2023, Hillsborough County Public Works has adopted the FDOT FY 2026-27 Standard Plans for Road and Bridge Construction (or most current edition); and FDOT Standard Specifications for Road and Bridge Construction FY2026-27 (or Latest Edition) for use on Public Works Construction Projects, with the following exceptions/clarifications:

A. FDOT Standard Specifications for Road and Bridge Construction Division I, Sections 1 through 9 and Division II Sections 100 through 103 and 105 are omitted from this contract and replaced in their entirety by Hillsborough County’s General Terms and Conditions and Standard Specifications 01010 through 01700. References contained in Division II and Division III of the FDOT Standard Specifications related to Division I shall be replaced with the appropriate corresponding Article(s) or Technical Specifications referenced above.

References to FDOT Division I Specification(s) that do not have a corresponding Article(s) or Technical Specification shall be clarified by the COUNTY’s Project Manager.

B. Paragraph Not Applicable

C. The following FDOT Standard Specifications for Roadways and Bridges are replaced and/or modified with the corresponding Hillsborough County Standard Specification sections contained herein:

204 Graded Aggregate Base 283 Reclaimed Asphalt Pavement Base 320 Hot Bituminous Mixtures; Plant, Methods and Equipment, 327 Milling of Existing Asphalt Pavement, 330 Hot Bituminous Mixtures General Construction Requirements, 334 Superpave Asphalt Concrete, 336 Asphalt Rubber Binder, 337 Asphalt Concrete Friction Courses, https://assets.contentstack.io/v3/assets/blteea73b27b731f985/blt2f95697d515cb87c/Standard%20Specifications%20for%20Construction%202023.pdf https://assets.contentstack.io/v3/assets/blteea73b27b731f985/blt2f95697d515cb87c/Standard%20Specifications%20for%20Construction%202023.pdf https://www.fdot.gov/design/standardplans/2024/24.shtm https://www.fdot.gov/design/standardplans/2024/24.shtm https://fdotwww.blob.core.windows.net/sitefinity/docs/default-source/programmanagement/implemented/specbooks/fy-2024-25/fy2024-25ebookfinalcomp-revised1-24-24.pdf?sfvrsn=15b17f9c_1 https://fdotwww.blob.core.windows.net/sitefinity/docs/default-source/programmanagement/implemented/specbooks/fy-2024-25/fy2024-25ebookfinalcomp-revised1-24-24.pdf?sfvrsn=15b17f9c_1 https://hcfl.gov/businesses/land-development/technical-publications/public-utilities-technical-specifications https://hcfl.gov/businesses/land-development/technical-publications/public-utilities-technical-specifications https://hcfl.gov/businesses/land-development/technical-publications/public-utilities-technical-manuals https://hcfl.gov/businesses/land-development/technical-publications/public-utilities-technical-manuals https://assets.contentstack.io/v3/assets/blteea73b27b731f985/bltb859e75c281dd885/Stormwater%20Management%20Technical%20Manual%202023.pdf https://hcfl.gov/businesses/land-development/technical-publications/public-utilities-technical-specifications https://hcfl.gov/businesses/land-development/technical-publications/public-utilities-technical-specifications https://www.fdot.gov/design/standardplans/2024/24.shtm https://www.fdot.gov/design/standardplans/2024/24.shtm https://fdotwww.blob.core.windows.net/sitefinity/docs/default-source/programmanagement/implemented/specbooks/fy-2024-25/fy2024-25ebookfinalcomp-revised1-24-24.pdf?sfvrsn=15b17f9c_1 https://fdotwww.blob.core.windows.net/sitefinity/docs/default-source/programmanagement/implemented/specbooks/fy-2024-25/fy2024-25ebookfinalcomp-revised1-24-24.pdf?sfvrsn=15b17f9c_1

341 Asphalt Rubber Membrane Interlayer, 600 Traffic Signal Overview 603 General Requirements for Installation and Evaluation of Traffic Control Equipment and Material 611 Signal Installation Acceptance Procedures 620 Signal Installation Grounding 630 Conduit 632 Signal and Interconnect Cable 634 Span Wire Assembly 635 Pull and Junction Boxes 639 Electrical Power Service Assemblies 650 Vehicular Signal Assemblies 652 24/7 Solar Flashing Beacon Assembly 653 Pedestrian Signal Assemblies 660 Inductive Loop Detectors 662 3-M Opticom™ Priority Control Preemption Detection 665 Pedestrian Detector Assembly 670 Traffic Controller Assembly 676 Controller Cabinets 699 Internally Illuminated Signs 901 Coarse Aggregate, 902 Fine Aggregate, 916 Bituminous Materials, and 919 Ground Rubber Tire.

The CONTRACTOR Quality Control requirements outlined in these Sections are required as described herein.

D. CONTRACTOR Quality Control (CQC) program requirements referenced within the

FDOT Standard Specifications are not required on Hillsborough County projects. However, the CONTRACTOR is responsible for constructing the project in accordance with the contract documents and ensuring compliance with the specifications. Therefore, the CONTRACTOR is responsible for scheduling and performing testing as required to ensure contract compliance. All testing performed by the CONTRACTOR must be performed by a FDOT qualified testing laboratory approved by the COUNTY. The COUNTY will perform Quality Assurance testing to ensure CONTRACTOR compliance with the contract documents. This testing is solely for the COUNTY’s benefit. The COUNTY’s testing is not intended to relieve the CONTRACTOR of performing testing and they are not permitted to rely on this testing to ensure their contract compliance. Quality Assurance testing by the COUNTY in no way relieves the CONTRACTOR or their Subcontractors of their responsibility to provide quality materials and workmanship on the project. No act or omission on the part of the COUNTY, Professional, any inspector(s), or representative of the COUNTY shall be construed as relieving CONTRACTOR of this responsibility.

E. If the CONTRACTOR desires to utilize materials, means, or methods which in accordance with the FDOT specifications requires Quality Control testing and approval by the Engineer, the testing shall be performed at the expense of the CONTRACTOR , and reviewed for acceptance by the COUNTY. The COUNTY also reserves the right to require testing above and beyond the FDOT specified LOT testing in situations when the testing of LOT quantities will not provide a reasonable assurance of the quality of the work. This additional testing by the CONTRACTOR will be at no additional cost to the COUNTY.

F. At the CONTRACTOR’s option he may submit a Value Engineering Change Proposal, also know as a Cost Savings Initiative Proposal (CSIP), or hereinafter referred to as a VECP or CSIP in accordance with FDOT Standard Specifications for Road and Bridge Construction, Section 4-3.9, Value Engineering Incentive, or Cost Savings Initiative Proposal. The COUNTY reserves the right to reject at its discretion any VECP or CSIP submittal and the CONTRACTOR shall remain obligated to perform the WORK in accordance with the terms of the existing Contract.

G. Paragraph Not Applicable

H. The use of the term “Department” in the FDOT Specifications is replaced by COUNTY except in those instances where the FDOT is the controlling organization.

I. The terms Engineer, Project Manager and Project Representative are interchangeable between the various Contract Documents.

J. Control of Materials: The County will accept approved FDOT Quality Product List (QPL) products and materials unless stated to the contrary herein.

1.02R Project Sign – Attachment A

Six (6) mobile project identification signs will be provided to the CONTRACTOR by Hillsborought County. At the commencement of construction, The CONTRACTOR shall deplay the signs and relocate the signs as required by the PROJECT REPRESENTATIVE. The CONTRACTOR is responsible for the care and custody of the project identification signs.

Damage to, or theft of, the identification signs shall be reported to the PROJECT REPRESENTATIVE by the CONTRACTOR within 24 hours, whereby replacement signs must be obtained within 72 hrs. The Cost of relocating and maintaining the signs shall be considered incidental to the project. (see Attachement A)

1.03R Schedule

The CONTRACTOR’s project schedule shall encompass the project’s entire construction duration specified in the CONTRACT and may not indicate a shorter duration. Additionally, the schedule shall reflect the construction phasing specified in the CONTRACT and shall include all WORK, including work to be performed by others such as coordination, material acquisition, utility relocation, COUNTY submittal reviews, permit reviews and approvals, etc.

Bar Chart: The bar chart schedule as described in Section 01310 of the Standard Specifications shall be required under this contract for each specific/individual project when assigned.

CPM: The CPM schedule as described in Section 01311 of the Standard Specifications shall not be required under this contract.

Provide schedule in the format as requested by County Project Manager.

1.04R Door Hangers Door hangers will be provided by Hillsborough County to the CONTRACTOR. At the commencement of construction activities, the contractor shall be responsible for distributing door hangers to each residence within the project limits or affected community. Distribution shall occur during standard working hours, between 8:00 AM to 5:00 PM, unless otherwise directed by the COUNTY. All costs associated with the distribution of door hangers, including labor and coordination, shall be considered incidental to the project and shall not be paid for separately.

1.05R Working Hours

The Standard work site operation hours within Hillsborough County to be considered by Bidders in preparing their bids shall be as follows:

8:00AM to 5:00PM - Low volume roadways such as subdivisions or any similar locations.

9:00AM to 4:00PM - High volume roadways (collector and arterial roadways) congested areas, and any similar locations.

9:00PM to 6:00AM - High volume roadways (level “F” roadways) congested areas, and any similar locations.

Monday through Friday, excluding County-observed holidays and weekends. No work shall proceed outside these hours without 72 hours prior notice (minimum) and written authorization by the County PROJECT MANAGER. However; the COUNTY reserves the right to establish work hours based on traffic volumes, congestion, or other situations that will interfere with the normal flow of traffic.

Temporary Traffic Control Permits will be issued by the COUNTY, as described later in these Supplemental Specifications. The TTC Permits indicate the allowable hours for operation within the actual roadway limits for each road or portion thereof in each project’s work order(s). The CONTRACTOR may request alternative work hours, based on the allowable hours established by the TTC Permit(s). The approval of alternate work hours for each project is subject to the same authorization described above, and will be based on a standard 8 hour shift as provided by the normal work hours. These provisions allow daytime and night time shifts, based on the allowable hours indicated by the TTC Permit. Further changes to the approved work hours require a formal request by the CONTRACTOR for the TTC Permit to be amended by the COUNTY and the aforementioned written authorization by the County PROJECT MANAGER. If approved, an amended TTC Permit will be issued to the CONTRACTOR.

As long as the work is on schedule, the County PROJECT MANAGER is not obliged to consider a shift longer than 8 hours or additional work days beyond those described above. However, if the work is deemed to be behind schedule, the County PROJECT MANAGER may approve longer shifts and/or additional shifts based on the approval of a recovery schedule submitted by the CONTRACTOR. At the discretion of the County PROJECT MANAGER, additional costs incurred by the COUNTY for overtime wages and/or employing additional staff are subject to reimbursement by the CONTRACTOR to the COUNTY.

1.06R Clearing & Grubbing Clearing & Grubbing shall be performed in accordance with FDOT Specification Section 110.

Additionally, specified plowing of the surface shall include the removal of the top layer of organic material beginning from the original ground line and if applicable stockpiling of the material for future use on the project. No additional compensation shall be provided for this WORK or associated WORK.

1.07R Pedestrian Facilities

A. All pedestrian facilities shall be constructed in accordance with the Americans with Disabilities Act (ADA) and the Department of Transportation Regulation 49 CFR, Part 37.

B. Sidewalks and curb ramps shall be constructed in accordance with the FDOT Design

Standards 2010 (or the latest edition at time of bid opening) Index 304. Residential sidewalks adjacent to driveways shall be six (6) inches depth up to the first construction joint, which shall be a distance of five (5) feet measured from the edge of the driveway.

Sidewalks/Ramps adjacent to roadways shall be six (6) inches in depth up to the first construction joint which shall be a minimum distance of six (6) feet measured from the edge of pavement, or back of curb. The construction joint may not transect the detectable warning surface.

C. Detectable warning surfaces, as defined by the latest edition of FDOT Standard

Specifications for Road and Bridge Construction - Specification 527, will be utilized in lieu of tactile surfaces. Detectable warning surfaces must be capable of supporting vehicular traffic and no waivers to the warranty are acceptable. All references to tactile surfaces in the Hillsborough County Standard Specifications for construction shall be interpreted as referring to detectable warning surfaces. In order to meet ADA visual contrast requirements, the standard color for application on Hillsborough County maintained roads is red, unless otherwise directed by the Project Manager. If field conditions exist in which red would not create sufficient contrast, the Project Manager should be notified in order to determine if another color should be utilized. On FDOT maintained roads, the color requirements may vary and should be confirmed prior to placement.

Acceptable Materials for Detectable Warning Surfaces:

Alternate materials and methods which fully meet contract specifications, and which have been approved for the FDOT Qualified Products List, may be used if approved by the County Project Manager. Only those materials and methods which are compatible with traffic loads (including warranty) will be considered.

D. Typical Layout of Ramp Pay Item is below:

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Section 2 – Project Specific

2.01R Office Facilities No field offices are required.

2.02R Superpave Asphalt Unit of Measure Not applicable.

2.03R Environmental Project Signs Not applicable.

2.04R Construction Phasing

The CONTRACTOR is responsible for developing the project Construction Phasing Plan/Maintenance of Traffic Plan and associated coordination with Utilities, Agencies, affected landowners, etc. The CONTRACTOR shall maintain one lane of traffic in each direction.

Additionally, the CONTRACTOR shall maintain all existing auxiliary turn lanes throughout the duration of the project, even during temporary traffic shifts.

2.05R Temporary Loop Detectors: Not applicable.

2.06R Geotechnical Information – Not applicable.

2.07R Utility Coordination

Any conflicts between the WORK that the CONTRACTOR shall perform and the utility owner’s facilities shall be resolved by the CONTRACTOR and the utility owner with the COUNTY’S concurrence. Utility Relocation Schedules and timelines included in the Contract Documents are intended to demonstrate the relationship between the utility relocation phasing plans and the construction phasing plans developed during the design of the project.

2.08R Permits A. Pursuant to the Section 218.80, Florida Statutes, Hillsborough County discloses that the permits and fees listed below are the responsibility of the CONTRACTOR.

PERMIT COST

Right-of-Way Use Permit $0.00 (fee waived) Hillsborough County Temporary Traffic Control $0.00 (fee waived)

B. All permits required to perform the work included in the contract are the responsibility of the

CONTRACTOR..

2.09R Project Locations:

Work will be performed at various locations throughout Hillsborough County. The maps of the project locations to be performed is included in the Contract documents.

The COUNTY reserves the right to arrange the sequence of the Project Locations. Work may be removed, or additional work may be added to the contract, not to exceed Awarded Contract Price.

The CONTRACTOR shall make whatever investigations it deems necessary as to the actual field conditions and to comply with the requirements of the Contract documents.

2.10R Incidental Items:

Miscellaneous or incidental items such as dewatering, cutting, patching, grading, saw-cutting, concrete pipe collars, electrical hardware, bolts, nuts, fittings, etc., or other ancillary items may be required to complete the construction as indicated on the plans or in the scope of work. If no specific bid item is shown, such miscellaneous or incidental items are to be included in the unit price (s) for the item (s) with which they are associated. SEPARATE PAYMENT FOR MISCELLANEOUS INCIDENTAL ITEMS SHALL NOT BE MADE BY THE COUNTY. All components shown and described on the bid documents are to be included in the bid items shown on the bid form.

2.11R Restoration of Site:

Upon completion of any work, the CONTRACTOR shall be responsible for cleaning and restoring the site. This includes removing all unused materials and excess soil. All disturbed areas, including areas outside the construction limits, shall be returned to their pre-construction conditions at the contractor’s expense.

2.12R Storage of Construction Materials and Equipment:

Supplemental to the provisions in the Contract Terms and Conditions, if the CONTRACTOR intends to store or stage materials, equipment, construction debris, etc. on private or public property outside of the right of way, the CONTRACTOR shall obtain permission via a written agreement.

The CONTRACTOR shall provide the COUNTY with a copy of the written agreement prior to any utilization of the property. The written agreement shall specify the terms, identify the parties involved, and be signed by authorized individuals representing the property owner and the CONTRACTOR. If the property is a County facility, the COUNTY REPRESENTATIVE will assist with obtaining written permission to the extent possible. Areas utilized by the CONTRACTOR for storing or staging materials, equipment, and other items will be fully restored to their original condition at the expense of the CONTRACTOR. Restoration will occur immediately after the CONTRACTOR’s last use of the area.

2.13R Tree Removal Procedures:

A. Trees shall be removed in accordance with applicable industry standards with American National Standards Institute. (ANSI) Z-133 www.isaarbor.com/store/product.aspx?ProductID=122):

B. Limbs, branches, and trunks that have fallen (or have a potential of falling) and can cause personal injury or damage to adjacent homes, trees and other vegetation, driveways, sidewalks, streets, fences, vehicles and other property, both public and private, shall be removed.

C. Stumps resulting from tree removals shall be ground and not be left higher than ground level.

D. All debris (chips and logs) shall be transported to an appropriate disposal site. No debris shall be left on the site overnight, unless approved by the Project Manager in advance.

E. All assets including turf areas and grade damaged by vehicular or mechanical operations

2.14R Traffic Control Officer Requirement:

When needed, and approved by the County PROJECT MANAGER, the use of an off-duty law enforcement officer will be paid by the hour. The total hours actually worked at the site by each individual officer will be entered for payment daily. Travel time to and from the site are not included in the daily payment. A line item is added to the bid pages to address the support of an off-duty law enforcement officer. An example of the form to be used to document the number of daily hours worked for each officer is attached to these Special Conditions.

2.15R Residential/Community Irrigation (Sprinkler) System Repair:

The construction of new sidewalk and curb ramps may impact existing residential/community irrigation systems which are within or near the County right of way. The CONTRACTOR is responsible for determining identifiable residential or communities’ irrigation system is operational prior to commencing WORK. Should damages be sustained as a result of construction activity, the CONTRACTOR shall provide immediate repair at their own expense. Generally, these repairs are anticipated to be PVC pipeline break repairs (typically ½” to 2” diameter pipe) and damaged sprinkler head repair and/or replacement. The repair work will be coordinated with the affected residents or entities responsible for the irrigation system and accomplished to their satisfaction.

Potable Water Service Line: Work on a potable waterline to be performed by a Licensed Plumber.

This work is considered incidental to the installation of the sidewalk. SEPARATE PAYMENT

FOR MISCELLANEOUS INCIDENTAL ITEMS SHALL NOT BE MADE BY THE COUNTY.

2.16R Installation of Sodding Sodding shall be installed in accordance with the FDOT Standard Specifications latest edition at time of bid opening Section 570. The type of sod is to match the surrounding area unless directed otherwise by Project Manager.

Unit of Measurement is per Square Yard (SY)

2.17R Installation of Curb and Gutter Curb and gutter shall be constructed in accordance with the FDOT Standard Specifications 2021 (or the latest edition at time of bid opening) Section 520. The type of Curb and Gutter is to match the parent gutter unless directed otherwise by Project Manager.

Unit of Measurement is per Linear Feet (LF) The removal of the existing curb shall be paid for under the Removal of Existing Concrete pay item.

2.18R Installation of Curb Ramp Curb ramps shall be constructed in accordance with the FDOT Standard Plans 2021 (or the latest edition at time of bid opening) Index 522. Detectable warnings shall be included in the cost of the ramp and shall comply with ADA criteria and Hillsborough County requirements.

Unit of Measurement is per Each (EA) The removal of the existing ramp shall be paid for under the Removal of Existing Concrete pay item.

2.19R Maintenance of Traffic:

The Contractor shall furnish all necessary traffic control, barricades, signs and flagmen, to ensure the safety of the traveling public and to all working personnel. The Contractor shall submit a Maintenance of Traffic (MOT) plan indicating all facets of traffic control for the project area. The MOT plan must be approved in writing by the County prior to commencing any work. All traffic control shall be in accordance with the FDOT Design Standards and FDOT Standard Specifications for Road and Bridge Construction Section 102, most current editions. MOT and associated devices shall be checked daily and periodically throughout the project for compliance; and where adjustments or corrections are needed, prompt revisions shall be made.

Daytime and overnight lane closures shall be in accordance with all applicable permits, policies and Section 1 of these Supplemental Specifications, Article 1.04 Work Hours. Lane closures on roadways under FDOT’s jurisdiction shall be coordinated with FDOT by the CONTRACTOR.

Similarly, lane closures involving other authorities and municipalities, where the County’s roads intersect or are continuous with roads under their jurisdiction, will be coordinated with that entity by the CONTRACTOR. This may include expressway authorities, cities, and adjacent counties. All associated costs for coordination, plans and/or permit(s) preparation, submittal and securing approval, are to be included in this Pay Item.

Payment for this item shall include the removal of all conflicting existing pavement markings and interim phase pavement markings and/or temporary pavement markings. Other means of removal or obliteration of conflicting or obsolete pavement markings may be employed if approved by the PROJECT MANAGER. It shall also include material (asphalt, concrete, millings, crushed concrete, etc.) required to maintain driveways during construction, and their removal and disposal if required.

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