Curbs, gutters and catch basins shall be adequate to handle the maximum water runoff from tributary lands.

The following type of curb shall be constructed. Concrete walls shall be eight (8) inches wide at their base and not less than six (6) inches wide at their top. Their height shall be less than eighteen (18) inches, constructed to show a vertical face above the roadway pavement of six (6) inches. They shall be constructed by use of metal forms true to line and grade. Open joints shall be provided at intervals of ten (10) feet and one-half (1/2) inch bituminous expansion joints every twenty (20) feet. Block corners and curves shall be constructed on a true radius; straight forms will not be permitted.

Concrete gutters not constructed integral with the curb shall be constructed against the existing concrete wall type curb and shall have a width of not less than eighteen (18) inches and a depth of not less than eight (8) inches.

Combination concrete curbs and gutters shall be constructed on a base of sand, cinders or broken stone six (6) inches in depth and extending twelve (12) inches beyond the rear face of the curb and twelve (12) inches beyond the face of the curb. The dimensions shall be a total width of thirty (30) inches for curbs and gutters. The dimensions of the particular parts shall be as follows: The top of the curb shall be six (6) inches in width, rear face of the curb shall be twelve (12) inches, at the gutter elevation, the width of the curb shall be seven (7) inches, the curb face at the gutter shall be six (6) inches in depth, and the gutter at street face shall be six (6) inches in depth. All exposed edges shall be rounded with a radius of three-quarters to one (3/4 to 1) inch. Transverse joints shall be one-half (1/2) inch wide and shall be installed every twenty (20) feet. Joints are to be filled with cellular compression material as specified and shall be recessed one-quarter (1/4) inch from face and top of curb. Joints in the gutters shall be filled with premolded bituminous joint filler one-half (1/2) inch thick, recessed one-half (1/2) inch from top of gutter and sealed as specified.

Concrete shall be Portland Cement concrete having a twenty-eight (28) day strength of not less than three thousand (3,000) pounds.

The curb shall be laid in a workmanlike manner as directed and approved by the Borough Engineer.

The curb at all delivery openings shall be depressed at the front of the curb to a point one (1) inch above the finished pavement.

The rear top corner of this curb shall have a radius of one-fourth (1/4) inch and the front top corner shall have a radius of one and one-half (1 1/2) inches.

Curb openings shall be in such width as shall be determined by the Borough Engineer.