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Section 49 – Signals, Lighting and Electrical Systems

said Section 50-5, “Portland Cement Concrete”, of these Specifications. The concrete shall be

tamped or vibrated to provide a dense material free from voids and rock pockets.

The sides of the trench above the concrete backfill shall be coated with an asphaltic

emulsion and the remaining depth of the trench shall be backfilled with asphalt concrete placed

in one layer. The asphalt concrete shall conform to Section 23, “Asphalt Concrete”, of these

Specifications, and shall be manufactured with one-half inch (1/2”) maximum-sized rock. The

asphalt concrete shall be compacted to produce a uniform dense mixture with a surface

elevation slightly higher than the adjacent pavement.

Once work is started on a trench, all work necessary to complete that trench, with the

exception of the one-inch (1”) permanent asphalt concrete surfacing, shall be performed during

the same day. This includes cutting, placing of conduit or cable, removing all spoils from work

site, barricades, maintaining a clean road surface for the safety of vehicular and pedestrian

traffic, and backfilling trench with concrete.

The permanent asphalt concrete pavement replacement shall be completed no later than

one Working Day following placement of the concrete backfill. Seal coats in accordance with

Section 14-3.03, “Seal Coats”, of these Specifications shall be placed to the full width of the

pavement replacement plus twelve inches (12”) on each side of trench, except that seals shall

not overlap concrete curb and gutter.

Trenching in the medians shall be as specified above, except that the requirement to

complete the trench on the same day shall not apply. In addition, median trenches may be

backfilled to the surface of the median with concrete colored to match the color of the median

49-2.03 Removing and Replacing Improvements

Sidewalks, sprinklers and irrigation systems, curbs, gutters, portland cement concrete and

asphalt concrete pavement, underlying material, lawns and plants, and any other improvements

removed, broken or damaged by the Contractor's operations, shall be replaced or reconstructed

with the same kind of material as found on the Work or with materials of equal quality. The new

work shall be left in a serviceable condition.

Whenever a part of a square or slab of existing concrete sidewalk, curb, gutter, or driveway

is broken or damaged, the entire square, section, or slab shall be removed or as directed by the

Agency and the concrete reconstructed as above specified or as directed by the Agency.

The outline of all areas to be removed in portland cement concrete sidewalks, curbing, and

driveways shall be cut to a minimum depth of two inches (2”) with an abrasive type saw prior to

removing the material. Cuts shall be neat and true along score lines or constructed joints, with

no shatter outside the removal area. Cuts shall not extend beyond the limits of the removal

Foundations shall conform to Section 86-2.03, “Foundations”, of the State Specifications,

and these Specifications. Foundations shall conform to the size(s) and shape(s) shown on the

Plans, the Standard Drawings, or the State Plans, or as otherwise detailed in the Contract, as

applicable. The Contractor shall provide anchor bolts for all foundations unless otherwise

specified in the Special Provisions. Anchor bolts shall be positioned so that a minimum of two

(2) to a maximum of four (4) threads will be visible above the top nuts after the pole has been