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Contractor Application Specifications for
PaveShield®
SECTION 02785
PAVEMENT SEALING SPECIFICATION
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Engineered resin emulsion sealcoat slurry over [ [ new ] [ and ] [ aged ] ]
asphaltic concrete paving.
1.02 RELATED SECTIONS
A. [ Section 02740 Asphaltic Concrete Paving ]
B. [ Section 02765 Pavement Marking ]
C. [ Section 02950 Repairing Asphaltic Concrete Pavements ]
D. [ Section 02975 Crack Sealing ]
E. [ ]
1.03 REFERENCES
A. American Society for Testing Materials (ASTM)
1. C 136 Method for Sieve Analysis of Fine and Coarse Aggregates
2. D 244 Standard Test Method for Emulsified Asphalts
3. D 2939 Method for Testing Emulsified Bitumens used as Protective Coatings
4. D 3910 Practices for Design, Testing, and Construction of Slurry Seal
B. American Association of State Highway and Transportation Officials (AASHTO)
1. T-04481 - Method for Testing the Solubility of Bituminous Materials in Organic
Solvents.
1.04 SYSTEM DESCRIPTION
[ A. Provide primer in all areas. ]
[ B. Provide two (2) applications of the coating (engineered resin emulsion slurry) in
all areas. ]
[ C. Provide third coat in high traffic areas as shown in schedule and on drawings. ]
1.05 SUBMITTALS
A. Product Data
1. Submit manufacturer's printed Product Data Sheet.
1.06 PROJECT/SITE CONDITIONS
A. ENVIRONMENTAL REQUIREMENTS
1. Apply coating when pavement temperature is at least fifty (50) degrees F. and air
temperature is fifty (50) degrees F. and rising.
2. Apply coating during dry weather and when rain is not anticipated within eight (8)
hours after application is completed.
PART 2 PRODUCTS
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THE SPECIFIER MAY CHOOSE TO HAVE A CLOSED PROPRIETARY SPECIFICATION BY NAMING TWO
ADDITIONAL SEALER MANUFACTURERS WHOSE SEALER MEETS THE SPECIFICATION REQUIREMENTS AND
PLACING IN [ B ] AND [ C ]
"OR"
THE SPECIFIER MAY CHOOSE TO HAVE A CLOSED PROPRIETARY SPECIFICATION [ 1 ] "
OR" AN OPEN PROPRIETARY SPECIFICATION [ 2 ] BY SELECTING ONE OF THE FOLLOWING:
1.[ B. No substitutions allowed. ]
2.[ C. No other material will be acceptable unless approved by Architect/Engineer in
writing (10) ten days prior to Bid Date. ]
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2.01 MANUFACTURER
A. Neyra Industries, Inc., Cincinnati, Ohio: PaveShield®
[ B. ]
[ C. ]
2.02 MATERIALS
A. Sealer: PaveShield®
1. An engineered resin emulsion specifically formulated to extend pavement life.
B. Crack Sealant: Thermo-Seal PLS™
1. Hot applied, elastomeric type crack sealant compatible with pavement coating.
C. Pavement Primer: Polyprime
1. Acrylic based, primer compatible with pavement coating.
D. Oil Spot Primer: Neyra Oil Seal
1. Water based acrylic oil spot primer compatible with pavement coating.
E. Sand: As recommended in printed data sheets by sealer manufacturer.
1. Washed dry silica sand free of dust, trash, clay, organic materials or other
contaminates.
2. Gradation: To have an American Foundry Society grain fineness number that is no less
than fifty (50) and no more than seventy (70), when tested in accordance with ASTM C 136.
F. Mixing Water
1. Potable and free from harmful soluble salts.
2. Temperature of the water: minimum fifty degrees (50) F.
2.03 EQUIPMENT
A. Use equipment that keeps the mixture homogeneous at all times and is capable of
applying required coating weights evenly over entire width of application mechanism to
provide a uniformly coated surface.
2.04 MIXES
A. PaveShield®: Add five (5) pounds of sand to the engineered resin emulsion, and mix
with power equipment to a homogeneous coating.
B. PaveShield®: Add water to the coating mix as required for application, quantity not
to exceed thirty five (35) percent of engineered resin emulsion.
PART 3 EXECUTION
3.01 EXAMINATION
A. Inspect existing paving surfaces for condition and defects that will adversely
affect quality of work, and which cannot be put into an acceptable condition through
normal preparatory work as specified.
B. Do not place coating over unsound oil spots softened by fuel or oil. If this
condition exists, notify Architect/Engineer.
C. Starting installation constitutes Contractor's acceptance of surface as suitable for
installation.
************************************************************
SPECIFIER SHOULD SELECT ONE OR BOTH SECTIONS UNDER PREPARATION BASED ON JOB
REQUIREMENTS. (AGED/NEW PAVEMENT)
************************************************************
3.02 PREPARATION - AGED PAVEMENT
[ A. Repairing Asphaltic Concrete Pavement: Repair areas shown in schedule according to
Section 02950. ]
[ B. Crack Sealing: Apply crack sealant as detailed in Section 02975. ]
C. Cleaning
1. Clean pavement surface prior to applying primer coat and coating.
D. Protection
1. Protect adjacent curbs, walks, fences, and other items from receiving primer and
coating.
E. Oil Spots
1. Clean oil spots and treat with oil spot primer.
F. Priming
1. Apply a diluted mixture of one (1) part primer and two (2) parts water at the rate
of 0.03 to 0.06 gallons per square yard.
3.03 PREPARATION - NEW PAVEMENT
A. Curing
1. Allow new asphalt to cure at least thirty (30) days before applying pavement
coating.
B. Cleaning
1. Clean pavement surface prior to applying primer coat and coating.
C. Protection
1. Protect adjacent curbs, walks, fences, and other items from receiving primer and
coating.
[ D. Oil Spots
1. Clean oil spots and treat with oil spot primer. ]
[ F. Priming
1. Apply a diluted mixture of one (1) part primer and two (2) parts water at the rate
of 0.03 to 0.06 gallons per square yard. ]
3.04 APPLICATION
A. Apply all coats uniformly at a rate of 0.14 - 0.17 gallons per square yard using
mixed and diluted material.
B. Each coat to cure sufficiently to take traffic without scuffing.
C. Allow final coat to cure a minimum of twenty four (24) hours under good drying
conditions before allowing traffic.
3.05 CLEANING AFTER APPLICATION
A. Remove primer and coating from surfaces other than those requiring primer and
coating.
3.06 PROTECTION
A. Barricade coated area until the coating has dried sufficiently for traffic.
3.07 SCHEDULE
END OF SECTION
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