TECHNICAL_SPECIFICATIONS_FOR_Reflectorized_Thermoplastic_Pavement_Marking_Compound.docx
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- Solicitation number
- 25-P-00402
- Issued by
- Hillsborough County, Florida
About this file
This technical specification document for Reflectorized Thermoplastic Pavement Marking Compound is issued by the City of Tampa and Hillsborough County for soliciting bids under Bid No. 25-P-00402. The procurement seeks 90,000 pounds of white thermoplastic and 60,000 pounds of yellow thermoplastic pavement marking materials, to be delivered within 14 calendar days of order receipt. The bid is scheduled to open on October 29, 2025, at 10:00 am, with an initial one-year award period and potential for two additional one-year renewals. The specified thermoplastic compound must be applied by extrusion, containing internal and surface glass spheres, and capable of producing adherent, reflectorized pavement markings that resist deformation.
The solicitation includes a Small Local Business Enterprise (SLBE) participation component, offering a five percent bid discount for City of Tampa certified SLBE vendors up to $10,000. The procurement targets underutilized businesses, including Minority and Women-owned Business Enterprises (W/MBE), with a certified contact list featuring seven businesses. The materials must meet Florida Department of Transportation (FDOT) specifications, be free of lead and RCRA materials, and conform to detailed physical and chemical property guidelines. Price adjustments may be permitted after the first year, tied to the Consumer Price Index for All Urban Consumers (CPI-U). Vendors must submit comprehensive documentation, including DMI forms, business license information, and various affidavits.
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TECHNICAL SPECIFICATIONS FOR
REFLECTORIZED THERMOPLASTIC PAVEMENT MARKING COMPOUND
8. SCOPE
This specification covers hot extruded reflective thermoplastic compound for use as pavement markings on bituminous and Portland cement concrete pavement. The material shall be so manufactured to be applied only by extrusion means on to the pavement in molten form, with Internal and surface application of glass spheres, and upon cooling to normal pavement temperature, shall produce an adherent, reflectorized pavement marking of specified thickness and width and capable of resisting deformation.
This specification is intended to set minimum requirements on material characteristics of the thermoplastic compound and application method to obtain acceptable field service performance.
9. MATERIALS
9.1 The thermoplastic compound shall be available in both white and yellow and in granular or pelleted form. Thermoplastic materials can be FDOT, or City/County approved. Supporting documentation may be requested by the City of Tampa after the bid opening. Please indicate granular or pelleted form on the lines in OpenGov.
9.2 The white and yellow thermoplastic shall not contain lead or any other Resource Conservation and Recovery Act (RCRA) Material.
9.3 The material manufacturer shall have the option of formulating the material according to the manufacturer's own specifications; however, a minimum of 8% by weight of the entire material formulation shall consist of maleic-modified glycerol ester resin, with no tall oil derivatives. The physical and chemical properties contained in this specification shall apply regardless of the type of formulation used. The pigment, beads and filler shall be free from all skins, dirt and foreign objects. The glass beads shall be in bag form.
9.4 Glass Beads (Pre-Mix):
Refractive Index of 1.50 Minimum Spheres, % 70 Minimum true spheres The beads used in the formulation shall be smooth, clear and free from air Inclusions and scratches that might affect their function as a reflecting media. The beads shall be uncoated and conform to AASHTO M247.
9.5 All materials shall conform to Florida Department of Transportation (FOOT) specifications. Bidders shall provide proof stating such upon request.
10, REQUIREMENTS
10.1 Specific Gravity
The specific gravity of the white and yellow thermoplastic material shall not be less than 1.95 or more than 2.15.
10.2 Composition
The pigment, beads, and filler shall be uniformly dispersed in the resin. The material shall be free from all skins, dirt and foreign objects and shall comply with requirements according to Table 1.
TABLE 1-COMPOSITION
COMPONENT
Binder Glass Beads Titanium Dioxide (for white only) Yellow Pigment (for yellow only) Calcium Caroonate &. Inert Filler
PERCENT BY WEIGHT
18.0% min.
30.0% min.
10.0% min. 2.0o/omln. SEE NOTE
NOTE: Amount of calcium carbonate and inert fillers shall be at the option of the manufacturer, providing all other requirements of this specification are met. The total silica used In this formulation shall be in the form spherical glass beads.
· The alkyd binder shall consist of a mixture of synthetic resins, at least one of which Is solid at room temperature, and high bolling point plasticizer. At least one-third of the binder composition shall be a malelc- modified glycerol ester resin and shall be no Jess than 8% by weight of the entire material formulation. The binder shalt not contain any petroleum-based hydrocarbon resins, tall oll resins, blends of tall oil resin and wood resin, and wood resin or similar derivatives.
· The other ingredients shall meet the following specifications.
Titanium Dioxide:
10.3 Physical Characteristics
ASTM D 476-Type 2
10.3.1 Color -The thermoplastic material after heating for 4 hours at 218° C (425°F) and cooled to 25°C (77°F) shall meet the following:
WHITE:
YELLOW:
Daylight reflectance at 45°- 0° 75% min.
Daylight reflectance at 45°- 0° 45% min. and shall match Federal Test Standard Number 595 - Color 13538.
· Drying Time - When applied at a temperature range of 211° D 7°C (412.5° D 12.5°F) and thickness of 3.2mm (.125 in.), the material shall set to bear traffic in not more than 2 minutes when the air temperature is S0°F and not more than 10 minutes when the air temperature is 90°F.
· Bond Strength - After heating the thermoplastic material for 4 hours at 218°C (425°F), the bond strength to Portland cement concrete shall exceed 1.24 MPA (180 psi).
· Cracking Resistance at Low-Temperature - After heating the thermoplastic material for 4 hours at 218°C (425°F), applied, and cooled at -9.4°01.7°C (15° D□3°F), the material shall show no cracks. The applted material shall show no signs of cracking independent of the substrate or breaking away from the substrate for a minimum period of 1 year.
10.3.S Impact Resistance - After heating the thermoplastic material for 4 hours at 218°C. (425°F) and Tested, the Impact resistance shall be a minimum of 10 inches per pound.
10.3.6 So�ening Point - A�er heating the thermoplastic material for 4 hours at 218°C (425°F) and tested in accordance with ASTM-E- 28, the materials shall have a softening point of not less than 90°C (194°F).
10.3.7 Yellowness Index -The white thermoplastic material shall not exceed a yellowness index of 0.15.
10.3.8 Reheating - The temperature versus viscosity characteristics of the plastic material shall remain constant through at least 4 re-heating's to application temperature and shall show like
TABLE 1-COMPOSITION
COMPONENT
Binder Glass Beads Titanium Dioxide (for white only) Yellow Pigment (for yellow only) Calcium Caroonate &. Inert Filler
PERCENT BY WEIGHT
18.0% min.
30.0% min.
10.0% min. 2.0o/omln. SEE NOTE
NOTE: Amount of calcium carbonate and inert fillers shall be at the option of the manufacturer, providing all other requirements of this specification are met. The total silica used In this formulation shall be in the form spherical glass beads.
· The alkyd binder shall consist of a mixture of synthetic resins, at least one of which Is solid at room temperature, and high bolling point plasticizer. At least one-third of the binder composition shall be a malelc- modified glycerol ester resin and shall be no Jess than 8% by weight of the entire material formulation. The binder shalt not contain any petroleum based hydrocarbon resins, tall oll resins, blends of tall oil resin and wood resin, and wood resin or similar derivatives.
· The other ingredients shall meet the following specifications.
Titanium Dioxide:
10.3 Physical Characteristics
ASTM D 476-Type 2
10.3.1 Color -The thermoplastic material after heating for 4 hours at 218° C (425°F) and cooled to 25°C (77°F) shall meet the following:
WHITE:
YELLOW:
Daylight reflectance at 45°- 0° 75% min.
Daylight reflectance at 45°- 0° 45% min. and shall match Federal Test Standard Number 595 - Color 13538.
· Drying Time - When applied at a temperature range of 211° D 7°C (412.5° D 12.5°F) and thickness of 3.2mm (.125 in.), the material shall set to bear traffic in not more than 2 minutes when the air temperature is S0°F and not more than 10 minutes when the air temperature is 90°F.
· Bond Strength - After heating the thermoplastic material for 4 hours at 218°C (425°F), the bond strength to Portland cement concrete shall exceed 1.24 MPA (180 psi).
· Cracking Resistance at Low-Temperature - After heating the thermoplastic material for 4 hours at 218°C (425°F), applied, and cooled at -9.4°01.7°C (15° D□3°F), the material shall show no cracks. The applted material shall show no signs of cracking independent of the substrate or breaking away from the substrate for a minimum period of 1 year.
10.3.S Impact Resistance - After heating the thermoplastic material for 4 hours at 218°C. (425°F) and Tested, the Impact resistance shall be a minimum of 10 inches per pound.
10.3.9 So�ening Point - A�er heating the thermoplastic material for 4 hours at 218°C (425°F) and tested in accordance with ASTM-E- 28, the materials shall have a softening point of not less than 90°C (194°F).
10.3.10 Yellowness Index -The white thermoplastic material shall not exceed a yellowness index of 0.15.
10.3.11 Reheating - The temperature versus viscosity characteristics of the plastic material shall remain constant through at least 4 re-heating's to application temperature and shall show like
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