Valley Hi Nursing Home Asphalt Parking Lot Crack Filling, Sealcoating, Asphalt Patching, and Traffic Marking/Line Striping

1. Surface Preparation (Entire Parking Lot and Drives). Properly prepare all substrates in accordance with the written installation instructions of the manufacturer. Surface must be clean and free from all loose material and dirt. Remove grass along edge of pavement to find true edge of pavement. Power blowers, mechanical sweeping devices, and push brooms are acceptable cleaning methods. Grass, dirt, and other debris extracted from the parking lot surface shall be properly removed from the site. Wipe or scrape excessive buildup of oil, grease and gasoline spots. A torch may be used to burn away any residual. Apply Sealmaster Petro Seal Oil Spot Primer (or approved equal) with a brush, roller, or sprayer. Allow to dry before sealcoating. 2. Hot Applied Crack Sealant Route/Filling Materials and Methods (All Cracks over 1/8” in width in Entire Parking Lot and Drives). All work shall be completed in accordance with the written installation instructions of the manufacturer. Cracks shall be routed 1/8” wider on each side of crack to a depth equal to the width unless larger than ¾”, for ¾” wide routes and larger, route to ¾” depth. Route shall be filled flush with surrounding pavement. Overbanding is not acceptable. Route must be free from dust, dirt, vegetation, and moisture. Clean cracks with mechanical wire brush followed by a compressed air heat lance to remove loose debris and moisture. Apply Sealmaster Crackmaster Parking Lot Grade crack sealant (or approved equal) to provide a uniform flush fill. Crack sealant shall be melted in a conventional oil-jacketed unit equipped with an agitator and applied heated using a pump and wand system, a crack banding unit, or a pour pot. 3. Parking Lot and Drive Sealcoating (Entire Parking Lot and Drives). All work shall be completed in accordance with the written installation instructions of the manufacturer. Apply two (2) coats of Sealmaster Polymer-Modified Masterseal asphalt and blacktop sealant (or approved equal) job mixed with aggregate. No coal tar products allowed. Equipment used to apply sealant shall have continuous agitation or mixing capabilities to maintain homogenous consistency of pavement sealer mixture throughout the application process. Spray equipment shall be capable of mixing and spraying pavement sealer with sand added. Self-propelled squeegee equipment with mixing capability shall have at least 2 squeegee or brush devices (one behind the other) to assure adequate distribution and penetration of sealer into pavement surface. Hand squeegees and brushes shall be acceptable in areas where practicality prohibits the use of mechanized equipment. Sealant shall be mixed in accordance with the following mix design (based on 100 gallons of Masterseal sealant): Masterseal – 100 gallons, Water – 15-25 gallons, Top Tuff – 1 gallon, Sand (40 to 70 mesh AFS fineness gradation – 300-500 pounds. Allow final coat of pavement sealer to dry 24 hours prior to applying 100% acrylic waterbased traffic paint. 4. Pothole and Alligator Cracking Pavement Repair – Full Depth Hot Mix Asphalt (1,400 square feet). All work shall be completed in accordance with the written installation instructions of the manufacturer. Saw cut and remove the existing pavement to the depth necessary to reach firm support (firm base material). Prime bottom of patch area and vertical sides of saw cut with Sealmaster Asphalt Binder Plus (or approved equal). Fill patch area with 1 ½” bituminous concrete binder course type 2, and 1 ½” bituminous concrete surface course mixture ‘D’, Class 1, Type 2. Compact fresh hot mix with hand tamper, vibratory-plate compactor, or asphalt roller. Finished patchwork shall be flush and Page 4 of 7 level with adjoining pavement. Quantity represents a total area in square feet of indicated Work to be completed. It will be distributed and in targeted portions throughout all areas of the subject parking lot and/or drive. Actual locations will be indicated by the owner in the field at the time that the work is being performed. 5. Traffic Marking/Line Striping (Entire Parking Lot and Drives). All work shall be completed in accordance with the written installation instructions of the manufacturer. Freshly applied pavement sealer shall be allowed to cure for a minimum of 24 hours prior to applying traffic paint. Apply Sealmaster Traffic Paint (or approved equal) with pressurized line striping spray equipment at wet thickness of 15 to 20 wet mils. Colors and layout for all marking/striping shall match existing unless required by applicable code or ordinance. 6. Clean up and Restore (Entire Parking Lot and Drives). Clean up work area and reseed any damaged grass areas adjacent to the new work.

Division 01 -	General Requirements, Vehicular Access and Parking, Traffic Control, Temporary Barriers and Enclosures.
Division 32 -	Exterior Improvements, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Paving Specialties, Pavement Markings.
Division 33 -	Utilities, Storm Drainage Utilities, Storm Drainage Structures.