The contractor shall furnish and place Portland cement concrete gutters and curbs as shown on the approved plans and in accordance with the thickness and cross section as shown on the typical road section or applicable Standard Sheets. Placement shall also be as stated in the following specifications, unless prior permission not to construct gutters or curbs has been obtained from the Town Planning Board.
The material shall conform to the Standard Specifications, Section 609, Curbing Gutters and Concrete Mall, and Section 624, Paved Gutter, and as shown on the appropriate NYSDOT Standard Sheets.
A. 
Method. The concrete gutters shall be constructed of the shape shown on the typical road section and shall conform to the lines and grades shown on the approved plans and as approved by the Town Planning Board. Finished top curbs shall be six inches above the finished top course elevation adjacent to the curb.
B. 
Standard six-inch steel forms shall be used and set to the grade and alignment by stakes established by the developer's engineer for this purpose. This base material between forms shall be compacted by mechanical means, preferably a vibra-tamper. These forms shall be oiled before pouring of concrete.
C. 
To ensure positive stormwater flow, gutters shall be screeded longitudinally with a suitable straight edge. The screed shall be worked laterally (i.e., parallel to the center line of the gutter, from the invert of the gutter to the outer edges). Screeding shall be performed at the appropriate time during the setting of the concrete. When gutters are installed by this hand method, special attention shall be given to the spading of the concrete along the sides of the forms.
D. 
The gutter or curb may also be installed by use of an approved gutter machine using the proper screed to form the invert shown on the typical road section and equipped with a vibrator attachment.
E. 
The contractor shall protect the concrete until after the initial set. Any gutters or curbs which are damaged with footprints, tire marks, etc., shall be removed and replaced at the contractor's expense.
The forms shall not be removed until the concrete is sufficiently set to prevent chipping of the edges. The gutter or curb shall be backfilled as soon as possible to prevent undermining of the gutter or curb in the event of precipitation. The gutters and curb shall be protected from traffic for seven days to avoid damage to them.