Roadway Improvements to: CR 178 (FM 2868 to CR 168) Engineer’s Estimate of Probable Cost (EOPC) = $ 875,000 CR 178 (FM 2868 to CR 168): 1. Preparation of Right-of-way shall consist of cleaning the edges of the roadway and removal of vegetation. 2. Rework the existing pavement structure within the limits as designated and/or as directed by the County Engineer. Initial rework of the existing asphalt pavement and base material shall be to a total depth of ten inches (10”) utilizing Item 251, Type D. 3. Cement treatment of the scarified area shall be to a depth of ten inches (10”). Cement is to be applied at an estimated rate of 20 LBS/SY. The cement treated area shall be compacted by ordinary compaction methods. After treated area has cured, the surface may be primed as directed by the County Engineer or his designee. 4. HMAC overlay of the widened roadway shall include sweeping the pavement surface and the application of a tack coat immediately prior to the placement of a Type “D” HMAC surface course with a final minimum thickness of two inches (2”). Turnouts and radii of intersecting county roads shall be overlaid as part of this project and/or as directed by the County Engineer. 5. Upon completion of the HMAC overlay, the pavement edges shall be backfilled using the excess excavated material from the pavement widening. Excess material may be utilized for ditch maintenance activities and/or disposed of as directed by the County Engineer. 6. Existing mailboxes affected by the construction will be temporarily relocated during construction and replaced upon completion of widening and paving operations. 7. Nominal construction dimensions are as follows: a. Cement Treatment: 26 Feet b. HMAC Placement: 25 Feet
