Parking Lot Resealing at Trails and Tails Park and Veterans Park

1.1 Patching (Before Seal Coating) a. Neatly saw cut the perimeters of the deteriorated asphalt to full depth. b. Excavate the patch area removing from the site any asphalt, and unsuitable base material. c. Apply a tack coat to all edges and base material to insure the proper binding of the old and new pavement. Base material must be compacted as well.   d. Install new hot mix asphalt into the patch and insure proper compaction. e. Allow new asphalt surfaces to cure for a minimum of four (4) weeks under ideal weather conditions (70 degrees) before applying any seal coating.  1.2 Crack Sealing (Before Seal Coating) a. Remove all vegetation and debris from cracks to the full depth of the crack. If vegetation exists,graze area and treat with a concentrated solution of an approved water based herbicide. Surface and hairline cracks less than 1/4” wide will be left as is. b. Larger cracks greater than 1/4, use a hot applied crack sealant to City of Doral’s specifications to fill the crack. Cracks should be dry prior to filling. c. SealMaster CrackMaster Supreme Hot Pour Crack. d. Sealing Material (M1050L) to seal the cracks and squeegee flush to the adjoining pavement.         1.3 Oil Spot Treatment (Before Seal Coating) a. Brush away loose material from the oil spots and clean using a steel broom. b. Heavier oil spots should be treated by burning or washing with detergent. c. Apply SealMaster PetroSeal (M1120P) or PrepSeal (M1130P) to all grease, oil, gasoline, and similar petroleum stains. 1.4. Pavement Cleaning (Before Seal Coating) a. Immediately prior to sealing, remove all loose materials, dirt, and debris from the pavement surface by using power blowers, mechanical sweeping equipment, brooms, and power washers as needed. Do not sealcoat over dirt, clay, or wet conditions. 1.5 Seal Coating a. All stop signs and parking bumpers must be removed prior to applying sealer and reinstalled after. The Contractor will be responsible for replacing any parking bumper which is damaged during the removal or reinstallation process. Parking bumpers must be the same type as existing.    b. Sealer may be applied with a squeegee machine, full sweep agitated spray machine, or hand squeegee. c. Use SealMaster Federal spec (RP-355e) Coal Tar sealer. Must be thoroughly mixed before application. Please refer to spec sheet SMT-100 for mixing guidelines. d. Only Top Tuff and FSA drying enhancers may be added as needed. e. Dilute as specified on SealMaster spec sheet SMT-100 (30-40% maximum). f. Use three to five (3-5) pounds of sand (40-60 mesh AFS) per gallon of sealer. g. Two complete coats are required on all asphalt surfaces. A third coat must be applied to high traffic areas and entryways. h. The first coat must be applied and left to dry a minimum of four (4) daylight hours prior to the second coat being applied. A minimum of 24 hours cure time after final application is required. i. The second coat must dry 12 hours with at least four (4) being daylight hours before applying a third coat in the high traffic areas and entryways. j. Apply pavement sealer when ambient temperature is at least 50° F and rising, 60° F or higher is preferable for maximum performance. Do not apply when temperature is expected to drop below 50° F within 24 hours after application. Do not apply if rain is imminent within 8 hours. k. Apply properly mixed SealMaster Coal Tar (SealMaster Coal Tar Concentrate, Sand, and Water) at rate of .11 to .13 gallon per square yard (70-82 square feet per gallon) per coat. Spray pressure should not exceed 70psi. 3.2.6 Striping a. Contractor must restripe parking lot to match the existing striping. Additional striping may be requested by the City. b. Traffic paint shall be the SealMaster Fast Dry HD 100% acrylic waterborne white (M1270P) and yellow traffic paint (M1280P) or approved equal. c. For handicap blue, use SealMaster Handicap Blue 100% acrylic emulsion paint (M1230P) or approved equal. Florida accessibility code Chapter 11, FBC required. d. Striping shall be applied only after the sealer is sufficiently cured to not allow bleed through. e. Contractor-grade, mechanical, motorized paint sprayers must be used to apply paint. f. Handicap identification may be rolled. Location: 1. Trails & Tails Park 11645 NW 50th Street, Doral, FL 33178 (~ 32,400 sq. ft.) 2. Veterans Park 10190 NW 33rd Street, Doral, FL 33172 (~ 7,350 sq. ft.)

Division 31 -	Earthwork, Earthwork Methods.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways.