Specifications-2-25-25.pdf

FY 2025 - 2027 COUNTYWIDE PAVEMENT PRESERVATION

In Pinellas County

Contract No. 25-0112

TO ACCOMPANY PINELLAS COUNTY STANDARD TECHNICAL SPECIFICATIONS FOR ROADWAY

AND RELATED CONSTRUCTION (JANUARY 2025), PINELLAS COUNTY UTILITIES DEPARTMENT

STANDARD TECHNICAL SPECIFICATIONS FOR UTILITIES AND RELATED CONSTRUCTION

(LATEST EDITION), AND FLORIDA DEPARTMENT OF TRANSPORTATION STANDARD

SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION – DIVISION I SECTION 9-2.1.2 ONLY, DIVISION II, AND DIVISION III (FY 2023-2024):

Engineering & Technical Information: Public Works & Utilities - Pinellas County

SPECIAL PROVISIONS

(The following Special Provisions are in addition to the Pinellas County Standard Technical Specifications for Roadway and General Construction)

CRACK SEAL 340-4

Scope of Work: The work covered by this section of the specification consists of furnishing all labor, equipment and materials necessary to perform all operations in connection with the cleaning and sealing of construction and random cracks in bituminous concrete pavements, including vegetation removal.

Material: Crack Sealer shall be an asphalt-fiber compound designed especially for improving strength and performance of the parent asphalt sealant.

(a) Asphalt sealant shall be AC-10, AC-20, or AC-30 with a penetration of 75-100.

(b) Fiber reinforcing materials shall be short-length polyester fiber having the following properties.

Length 7 mm

Diameter 0.0008 inch plus or minus .0001 inch

Specific Gravity 1.32 to 1.40

Melt Temperature 480 degrees F.

minimum Ignition Temperature 1000 degrees F. minimum

Tensile Strength 75000 PSI plus or minus 5000 PSI

Break Elongation 33% plus or minus 9% they are fully drawn

Asphalt-fiber compound shall be mixed at a rate of 5-8% fiber weight to weight of asphalt cement.

This compound having the same chemical base provides compatibility and excellent bond strengths.

The fiber function is to redistribute high stress and strain concentrations that are imposed on the sealant by thermal sources, traffic loading, etc.

https://pinellas.gov/engineering-technical-information-public-works-and-utilities/

Contractor shall submit a Notarized Certification of Specification Compliance letter on company letterhead to the Engineer stating that all material produced and placed on the project was in substantial compliance with the above Specifications, along with supporting test data documenting all quality control testing. The mix will also require visual acceptance by the Engineer. In addition, the Engineer may run independent tests to determine the acceptability of the material.

Equipment: Equipment used in the performance of the work required by this section of the specification shall be maintained in a satisfactory working condition at all times.

(a) Air Compressor: Air compressor shall be capable of furnishing not less than 150 cubic feet of air per minute at not less than 90 lbs. per square inch pressure at the nozzle.

The compressor shall be equipped with traps that will maintain the compressed air free of oil and water.

(b) Hand tools shall consist of brooms, shovels, metal bars with chisel shaped ends, and any other tools which may be satisfactorily used to accomplish this work.

(c) Melting Kettle & Extruder: The unit used to melt the joint sealing compound shall be double boiler, indirect fired type. The space between the inner and outer shells shall be filled with a suitable heat transfer oil or substitute having a flash point of not less than 600 degrees F. The kettle shall be equipped with a satisfactory means of agitating the compound and stirring with mechanically operated paddles and/or by a continuous circulation gear pump attached to the thermostatic control calibrated between 200 degrees F. and 550 degrees F.

(d) Air wands with operator shall be incorporated with 150 cubic foot compressor to clean cracks immediately before filling with polyester reinforced asphalt material.

(e) Extruder shall be able to fill cracks with two (2) wands. Each wand shall have removable heads so that variable width overband from 2 to 4 inches may be installed.

(f) All equipment shall be truck mounted and capable of extruding one thousand (1000) gallons per day.

Preparation of cracks:

(a) Debris removal: All cracks shall be blown clean by high pressure air. All old material and other debris removed from the cracks shall be removed from pavement surface immediately by means of power sweepers or hand brooms or air brooms.

(b) Vegetation: When cracks show evidence of vegetation, the vegetation shall be removed and the crack shall be sterilized by use of propane torch unit eliminating all vegetation, dirt, moisture and seeds.

(c) General: No crack sealing material shall be applied in wet cracks, or where frost, snow or ice is present nor when ambient temperature is below 25 degrees F.

Preparation and placement of sealer: Joint sealing material shall be heated and applied at a temperature specified by the manufacturer. Minimum application temperature shall be 290 degrees F. Sealer shall be delivered to the pavement surface through a pressure hose line and applicator shoe. The shoe width and sealer over banding area vary from 2”- 4” dependent on severity of cracks. When traffic requires immediate use of the roadway, a boiler slag aggregate shall be broadcast over cracks to prevent sealer pickup. Excess or spilled sealer shall be removed from the pavement by approved methods and discarded.

Measurement: The measurement for this unit shall be by the gallon (GAL) and shall be the actual number of gallons of Crack Seal polyester asphalt material applied to the pavement and accepted by the Engineer.

Payment shall be made under:

Item No. 340-4 Crack Seal - Per GAL

SHOULDER 575-3

Description: The work consists of furnishing all labor, equipment, and materials to construct a shoulder with material as shown on the plans or as directed by the engineer. This includes the removal of existing vegetation, grading, and the placing of material.

Material:

Sod: A minimum of 3” thickness topsoil material to meet required grade and side slope. Sod installation shall include covering the disturbed area with Bahia sod.

Recycled Concrete Aggregate (RCA): Acceptable aggregate material can be defined as in the FDOT Standard Specifications for Road and Bridge Construction Section 911. Bahia Sod installation shall be used on all disturbed areas outside of the aggregate shoulder to meet required side slope.

Measurement: The measurement for Shoulder with Sod shall be by the square yard (SY) and shall include all work to construct the shoulder with sod with the required side slope as described above.

The measurement for Shoulder with RCA shall be by the cubic yard (CY) and shall include all work to construct the shoulder aggregate with the required side slope as described above.

Payment shall be made under:

Item No. 575-3-1 SHOULDER with Sod including topsoil - Per SY

Item No. 575-3-3 SHOULDER with Recycled Concrete Aggregate - Per CY

SUPPLEMENTAL SPECIFICATIONS

(Amends the Pinellas County Standard Technical Specifications for Roadway and General Construction and Florida Department of Transportation

Standard Specifications for Road and Bridge Construction)

Section 101 of the Pinellas County Roadway and Std. Tech. Specs. – Mobilization

The work specified under this Section is amended herein.

Basis of Payment

There is no separate bid item for Mobilization. The cost for Mobilization shall be included in the items of the work listed in the “Bid Submittal Sheets”.

Section 102 of the Pinellas County Roadway and Std. Tech. Specs. – Maintenance of Traffic

Basis of Payment

There is no separate bid item for Maintenance of Traffic. The cost for Maintenance of Traffic shall be included in the items of the work listed in the “Bid Submittal Sheets”.

FDOT SECTION 120 - EXCAVATION AND EMBANKMENT

The work specified under this Section is amended to include:

234-9 Method of Measurement This pay item is provided for use for excavation of shoulder work. This pay item includes excavation of up to 6 inches of existing shoulder material to reconstruct shoulders as shown on the plans or as directed by the Engineer, and disposal of the excavated material.

234-10 Basis of Payment Payment will be made under:

Item No. 120-0036 – EXCAVATION 6" Thickness or less- per Square Yard (SY)

FDOT SECTION 234 - SUPERPAVE ASPHALT BASE

234-9 Method of Measurement This pay item is provided for use on MSTU roadways where full depth milling is conducted, and the asphalt base will be applied directly on the subbase. This pay item shall include grading and compacting on the subbase prior to the application of asphalt, or as directed by the Engineer.

234-10 Basis of Payment Payment will be made under:

Item No. 285-2-001 – SUPERPAVE ASPHALT BASE, Type B 12.5, Variable Thickness - per Ton (TN)

FDOT SECTION 327 - MILLING OF EXISTING ASPHALT PAVEMENT

327-5 Method of Measurement The work for the hauling of milling shall consist of all labor, equipment, and materials to haul milling material to the designated Pinellas County Stockpile Yard located at 12624 40th Street, Clearwater, FL. The measurement for this item shall be per square yard (SY) corresponding to the related milling item. Payment shall be at the contract unit price per square yard.

327-6 Basis of Payment Payment will be made under:

Item No. 327-70-002 - MILLING EXISTING ASPHALT PAVEMENT, 2” Thickness or Less, Spot/Butt/Edge Milling, <4’-0” width – per SY.

Item No. 327-70-004 MILLING EXISTING ASPHALT PAVEMENT, 2" Thickness or Less,Full Width – per SY.

Item No. 327-70-006 MILLING EXISTING ASPHALT PAVEMENT – More than 2" Thickness to 6" Thickness, Full Width – per SY.

Item No. 327-70-008 - Hauling of Milling Material to the listed County Yard - per SY

Section 334 of the Pinellas County Roadway and Std. Tech. Specs. – SUPERPAVE ASPHALT

CONCRETE.

The work specified under this Section is amended herein.

334-8.1 General

Superpave asphalt concrete shall be used for all type roadways (arterials, collectors, parks, parking lots and local roadways) and include intersections, cul-de-sacs, driveways, medians, turn lanes, and any other configurations not mentioned. There will be no extra payment for the conditions noted above. The Superpave Asphalt mix will be as shown on the plans, or as directed by the Engineer.

334-8.7 Payment

Item No. 334-2-0001 SUPERPAVE ASPHALT CONCRETE, Leveling – per Ton (TN)

Item No. 334-3095-000 SUPERPAVE ASPHALT CONCRETE, Type SP 9.5, Fine, Traffic Level C, Variable Thickness, Arterials/Collectors - per Ton (TN)

Item No. 334-3095-001-000 SUPERPAVE ASPHALT CONCRETE, Type SP 9.5, Fine, Traffic Level C, Variable Thickness, Local Roads - per Ton (TN)

Item No. 334-3125-000 SUPERPAVE ASPHALT CONCRETE, Type SP 12.5, Fine, Traffic Level C, Variable Thickness, Arterials/Collectors - per Ton (TN)

Item No. 334-3125-001 SUPERPAVE ASPHALT CONCRETE, Type SP 12.5, Fine, Traffic Level C, Variable Thickness, Local Roads - per Ton (TN)

Item No. 334-3475-000 SUPERPAVE ASPHALT CONCRETE, Type SP 4.75, Fine, Traffic, Level C, Variable Thickness, Local Roads – per Ton (TN)

FDOT SECTION 334 - SUPERPAVE ASPHALT CONCRETE

334-1 Description.

334-1.1 General:

Superpave mixes shall include Type SP-4.75, Type SP-9.5, Type SP-12.5, or Type SP-19.0.

334-1.3 Gradation Classification:

The equivalent AASHTO nominal maximum aggregate size Superpave mixes are as follows: Type SP-4.75……………4.75 mm Type SP-9.5……………..9.5 mm Type SP-12.5……………12.5 mm Type SP-19.0……………19.0 mm

334-1.4 Thickness: The following shall be added:

The allowable layer thicknesses for Type SP Asphalt Concrete mixtures are as follows:

Type SP-4.75………...½ to ¾ inches

334-1.4.2 Additional Requirements: Paragraph 3 shall be amended to include:

Type SP-4.75……………….0 to 1 inch

334-3.2.2.1 Mixture Gradation Classification: The following shall be added:

As an exception to the gradation requirements of AASHTO M323, meet the following requirements for Type SP-4.75 mixtures.

Sieve Size (mm) Minimum % Passing Maximum % Passing

12.5 100 -

9.5 95 100

4.75 85 100

1.18 20 60

0.075 6 13

334-3.2.3 Aggregate Consensus Properties: This Section shall be revised as follows:

For Traffic Level C through E mixtures, meet the following consensus properties at design for the aggregate blend. Aggregate consensus properties so not apply to Traffic Level A and B mixtures except for Type SP-

4.75 mixes, which have FAA requirements for Traffic Level A and B mixtures.

334-3.2.3.2 Fine Aggregate Angularity: This Section shall be revised as follows.

When tested in accordance with AASHTO T 304-11, Method A, meet the uncompacted void content of fine aggregate specified in AASHTO M 323-12, Table 5. As an Exception to the FAA requirements of AASHTO M 323-07, Table 5, meet the following requirements for Type SP-4.75 mixtures.

Traffic Level Minimum FAA of Aggregate Blend A 40 B 45 C 45

334-3.2.5 Design Criteria: The following shall be added:

Meet the following special requirements for Type SP-4.75 mixtures:

(c) Establish the design air void content in the range of 4.0% to 6.0%.

(d) Establish the dust-to-binder ratio in the range of 1.0 to 2.0 for Traffic Level A and B mixtures and 1.5 to 2.0 for Traffic C mixtures.

(e) In lieu of VMA and VFA requirements, establish the volume of effective binder (Vbe) in the range of 12.0 to 15.0 for Traffic Level A and B mixtures and 11.5 to 13.5 for Traffic Level C mixtures.

334-8 Basis of Payment:

Table 334-9 shall be revised as follows:

FDOT SECTION 425 - INLETS, MANHOLES, AND JUNCTION BOXES

425-9.3 Basis of Payment

Payment shall be made under:

Item No. 425-825-1000 Adjust Manhole Ring & Cover to Finished Grade (In Pavement), Riser Provided by Contractor - Per Each (EA)

Item No. 425-825-1001 Adjust Manhole Ring & Cover to Finished Grade (In Pavement), Riser Provided by County - Per Each (EA)

Section 660 of the Pinellas County Roadway and Std. Tech. Specs. – VEHICLE DETECTION

SYSTEM.

The work specified under this Section is amended herein.

660-6 Method of Measurement.

The unit price for Sawcut Lead-Ins shall include mobilization, maintenance of traffic, and all costs necessary to sawcut, remove and dispose of existing asphalt material. Payment shall be

Table 334-9 Specification Limits Quality Characteristic Specification Limits Passing No. 8 Sieve (percent) Target ± 3.1 Passing No. 200 Sieve (percent) Target ± 1.0 Asphalt Content (percent) Target ± 0.40 Air Voids (percent) – Typ SP-9.5, SP-12.5, SP-19.0 4.00 ± 1.20

Air Voids (percent) – Type SP 4.75 Target ±1.20 Density, vibratory mode (percent of Gmm) 93.00 + 2.00, -1.20 Density, static mode (percent of Gmm) 92.00 +3.00, -1.50(1)

(1): No vibratory mode in the vertical direction will be allowed. Other vibratory modes will be allowed, if approved by the Engineer.

made per linear feet (LF) of sawcut length. The cost of the first seventy-five feet (75’) of sawcut lead-ins shall be included in the unit price of the loop assembly.

The unit price for Lead-In Cable shall include mobilization, maintenance of traffic, barricades and all other cost necessary to install the lead-in cable. Payment shall be made per linear feet (LF) of lead-in cable length. The cost of the first seventy-five feet (75’) of the lead-in cable shall be included in the unit price of the loop assembly.

Payment shall be made under:

Item No. 660-2-8 Sawcut Lead-Ins Per LF

Item No. 660-2-9 Lead-In Cable (Belden Wire) Per LF

Item No. 660-2-10 CORE DRILL 2" THROUGH GUTTER FOR LOOP WINDOW, F&I, 2" SWEEP Per Assembly (AS)

UTILITIES

SUPPLEMENTAL SPECIFICATIONS

(Amends the Pinellas County Utilities Department Standard Technical Specifications for Utilities and Related Construction)

ITEM NO. PW-331101-309-9001 Adjust Valve Box to Finished Grade, In Pavement and ITEM NO.

RW-333501-310-9001 Adjust Valve Box to Finished Grade, In Pavement

Description: The work consists of furnishing all labor, equipment, customer coordination, and materials for the vertical adjustment of an existing valve box and cover to match proposed finish grade. The unit price shall include placement of the valve cover to finish grade as shown on plans or directed by the Engineer. Authorized materials listing can be retrieved from:

Measurement: The measurement for these units shall be each (EA), measured in place, on grade, inspected, and accepted.

Payment shall be made under:

Item No. PW-331101-309-9001 Adjust Valve Box to Finished Grade (In Pavement) - Per EA

Item No. RW-333501-310-9001 Adjust Valve Box to Finished Grade (In Pavement) - Per EA

ITEM NO. SS-333900-302-K001 Adjust Manhole Ring & Cover to Finished Grade, In Pavement, Riser Provided by Utility Owner

Description: The work consists of all labor, equipment and materials required to vertically adjust an existing rim and cover to finish grade as shown on plans or as directed by the Engineer. This item includes the build-up or break-down of the structure’s upper shaft to achieve proper grade where necessary to do so. Authorized materials listing can be retrieved from:

Measurement: The measurement for this unit shall be each (EA), measured in place, on grade, inspected, and accepted.

Payment shall be made under:

Item No. SS-333900-302-K001 Adjust Manhole Ring & Cover to Finished Grade (In Pavement), Riser Provided by Utility Owner - Per EA

ITEM NO. SS-333900-302-K002 Adjust Manhole Ring & Cover to Finished Grade, In

Pavement, Riser Provided by Contractor

Description: The work consists of all labor, equipment and materials required to vertically adjust an existing rim and cover to finish grade as shown on plans or as directed by the Engineer. This item includes the build-up or break-down of the structure’s upper shaft to achieve proper grade where necessary to do so. Authorized materials listing can be retrieved from:

Measurement: The measurement for this unit shall be each (EA), measured in place, on grade, inspected, and accepted.

Payment shall be made under:

Item No. SS-333900-302-K002 Adjust Manhole Ring & Cover to Finished Grade (In Pavement), Riser Provided by Contractor - Per EA

ITEM NO. UE-999-0000 UNSPECIFIED WORK (Utilities)

Description: All work shall be done in accordance of Section 999-000 of the Pinellas County Standard Technical Specifications for Roadway and General Construction.

Measurement and Payment: The work specified in this section shall be paid for the contract unit price per each (EA) actually constructed and accepted.