Specifications include, but are not limited to: 1.0 The protection of all existing improvements, including valve cans and meter boxes,
and all work being done by the Contractor, shall be the responsibility of the Contractor
until such time as the work is completed and accepted by the Owner. A pre-construction
job walk will be required prior to any work being done.
2.0 A schedule of work shall be submitted with response to this RFB and approved by the City
of Orange prior to beginning the work. Hours of work are 7:00 AM to 4:00 PM. All work
shall be phased with phasing to be approved by the City of Orange. Flaggers will be
required when traffic is reduced to one lane to ensure safe access around the work area.
All flagging and traffic control operations shall be included in the various bid items and no
additional compensation will be provided.
3.0 Remove & Replace Damaged Asphalt Surfacing (Digout Areas) – Areas that are marked
out for removal and replacement will be removed by first saw cutting a straight vertical
cut a minimum of two (2) inches in depth around the perimeter of the area and then the
existing asphalt pavement and any underlying base shall be removed to a depth of six (6)
inches. (If a cold planer is used for the removal then saw-cutting will not be required).
The subgrade will be compacted using a roller and/or a whacker or vibraplate to provide
a firm and unyielding surface prior to the placement of the hot mix asphalt (HMA) base
course, per Greenbook Section 301-1.3. The HMA will be placed in two lifts using ¾”
HMA per Greenbook Section 203-6.4 Type B for the base course, four (4) inches in depth.
The finish course of HMA shall be Greenbook Section 203-6.4 Type C1. All edges of the
newly placed HMA shall be sealed with asphalt emulsion and a light coating of sand. The
finished surface shall be at the same elevation as the adjacent asphalt.
4.0 Cold Mill 3” & Place 3” HMA w/FortaFi Fibers - Grind & Overlay – Areas designated to be
cold milled and overlayed shall be cold milled to a depth of 3” over the entire area. The
area shall be cleaned of all loose materials and then tacked with asphalt emulsion at the
rate 0.05 to 0.07 gallons per square yard. Asphalt emulsion shall be diluted no more than
an 80/20 mix. Once the tack coat has broken a new layer of HMA shall be placed in one
lift. The HMA will conform to Greenbook Section 203-6.4 Type B with added Forta-Fi
Asphalt Fibers (or equal) per the manufacturer’s recommendations. (See attached FortaFi brochure).
5.0 Crack Repair – All cracks 3/8” to 1” in width shall be cleaned of all vegetation and loose
material to a depth equal to or greater than the width of the crack. CRAFCO Parking Lot
Sealant No. 34200 (or equal) shall be used per the manufacturer’s recommendations. The
finished crack fill material shall be at the same elevation as the adjacent asphalt. Any
crack filled areas that become depressed in excess of ¼” will have additional crack fill material placed to fill the depressed areas. Crack filling shall take place after all asphalt
repairs have been made