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Section 27 – Curbs, Gutters, Sidewalks, and Drainage Structures

sidewalk shall be removed and reconstructed. Actual limit of concrete removal shall extend to

nearest score mark or joint, if nearest score mark or joint is within four feet (4’) of limit of

removal as indicated on the Plans. Adjacent to all areas of removal of curb and gutter, a two-

foot (2') minimum width, four-inch (4") minimum depth bank of existing roadway pavement shall

be saw cut and removed and replaced with permanent asphalt concrete pavement. Removed

materials shall be disposed by the Contractor outside of the road right-of-way. Unless otherwise

directed in the Special Provisions, payment for removals shall be considered to be included in

the price paid for clearing and grubbing and no additional payment shall be allowed.

27-10 RECONSTRUCTION OF CURBS, GUTTER, AND CURB AND GUTTER TO

ACCOMMODATE SEWER AND STORM DRAIN SERVICE INSTALLATION

Where curbs, gutters, or curb and gutter are to be removed for the purpose of constructing a

sewer service or storm drain service, the entire curb, gutter, or curb and gutter shall be removed

and reconstructed. Actual limit of concrete removal shall extend to nearest score mark or joint,

if nearest score mark or joint is within three feet (3’) of limit of removal as indicated on the

Plans. Adjacent to all areas of removal of curb and gutter, a two-foot (2’) minimum width, six-

inch (6”) minimum depth bank of existing roadway pavement shall be saw cut and removed.

Removed materials shall be disposed of by the Contractor. Portland cement concrete for the

replacement shall be Class “A-2” in accordance with Section 50-5, “Portland Cement Concrete”,

of these Specifications.

27-11 CURB AND GUTTER TESTING AND TOLERANCE

The finished surface of curb and gutter shall be free from humps, sags, or other

irregularities. The surface shall be uniform to a degree such that no depressions greater than

0.02 foot are present when tested with a ten-foot (10’) straightedge, except at grade changes.

Curb and gutter shall be tested by the application of water in the presence of the Agency. No

standing water will be permitted.

27-12 EXISTING INLET DESIGNS, DISCONTINUED FOR USE IN NEW CONSTRUCTION

The following previous inlet designs are no longer used in new construction for public use

unless approved by the Agency:

Type A, Standard Drawing 9-13A

Type D, Standard Drawing 9-13D

Type E, Standard Drawing 9-13E

Gutter Drain, Standard Drawing 9-13GD

These drawings are provided in these Specifications for identification, repair, analysis, and

construction when approved by the Agency. Other inlet designs not shown in these

Specifications may be identified as Types 1, 2, 3, 4, 5, 5A, and 6 by reference to the

Construction Specifications as amended January 19, 1970 and prior.

27-13 DROP INLETS AND CATCH BASINS

Drop inlets, catch basins, grates, and frame types shall conform to the Standard Drawings

and Section 50-34, "Sewer and Storm Drain Castings", of these Specifications.

Concrete for drop inlets and/or catch basins shall be either Class "A" or "B", and shall

conform to Section 50-5, “Portland Cement Concrete”, of these Specifications. The concrete

box portion of the drop inlet and/or catch basin shall be cast to the proper grade in a maximum

of two (2) placements of concrete. Use of grout to adjust the drop inlet and/or catch basin frame

to the proper grade will not be permitted without written approval of the Agency.