Union Beach City Zoning Code
§ 13-8.22
Roadway Construction.
[Ord. No. 324, § 8.22]
a.
General Requirements. Roadways and all appurtenances, including subgrade, subbase, base courses and pavements, shall be constructed in accordance with the applicable requirements of the standard specifications as modified herein. All subsurface utilities including service connections (terminating at least two feet behind sidewalk) to each lot and all storm drains shall be installed in all roadway areas prior to the construction of final pavement surfaces.
b.
Type of Pavement. All roadways shall be constructed with either a bituminous concrete flexible pavement structure or a portland cement concrete rigid pavement structure. Only one type of pavement shall be utilized throughout any development.
c.
Pavement Structure Design.
1.
The pavement structure design for each particular development utilizing either a flexible or rigid pavement type shall be the responsibility of the developer or his engineer. The pavement design shall be based upon traffic loading projections and field sampling and laboratory analysis of the subgrade soils to be encountered in roadway areas in the development and shall follow current design recommendations of the Asphalt Institute, the Portland Cement Concrete Association or such other generally recognized standards as may be acceptable to the borough engineer.
2.
As minimum requirements, rigid Portland cement paving shall be expansion joint type paving utilizing joints similar to Type A expansion joints, according to the Standard Construction details of the New Jersey Department of Transportation, shall be reinforced, constructed with Class B air-entrained concrete and shall have a minimum thickness of 6 1/2 inches for local, local collector and minor collector streets and eight inches for other classifications. Flexible bituminous concrete pavements shall have an equivalent structural depth of at least 10 inches for local, local collector and minor collector streets; having a minimum wearing surface of not less than 1 1/2 inches of pavement, Type FA-BC-1, and a minimum bituminous stabilized base course of not less than 2 1/2 inches and a dense graded aggregate base course to provide the remaining depth; and an equivalent structural depth of at least 13 inches for other street classifications, having a minimum wearing surface of not less than two inches of pavement, Type FA-BC-1; a minimum bituminous stabilized base course of not less than three inches, and a dense graded aggregate base to provide the remaining depth. Bituminous stabilized base may be substituted for aggregate base on a one to three (1:3) ratio (stabilized base to aggregate base) all in accordance with the applicable requirements of the standard specifications.
d.
Subgrades. All subgrade shall be prepared in accordance with the applicable requirements of the standard specifications for bituminous concrete and reinforced concrete pavements. Prior to the construction of any subbase, base or pavement course, all soft or unyielding portions of the subgrade which do not attain the required stability will be removed and replaced with the suitable material, and the whole surface of the subgrade shall be compacted. The provision of a uniform roadway subgrade meeting the requirements of the standard specifications shall be the full responsibility of the developer. In certain cases, special treatment may be required because of the character or nature of the subsoil. Such special treatment may include lime or cement stabilization, wet excavation, or construction of underdrainage fields. Any proposal by the developer to stabilize subgrade shall be subject to the approval of the borough engineer.
e.
Subbase and/or Aggregate Base Courses. Where granular subbase courses are included in the pavement design section proposed by the developer, they shall be constructed in accordance with the applicable requirements of the standard specifications. Bituminous concrete pavements (and stabilized bases) may be constructed on subgrade without subbase or aggregate base courses, provided that the subgrade can be satisfactorily prepared as described. Dense graded aggregate base courses shall comply with the requirements of the standard specifications for soil aggregate, Type 5, Class A, or Type 2, Class A or B.
Portland cement concrete pavements must be constructed with a minimum of six inches of a granular type subbase meeting the requirements of the standard specifications for soil aggregate, Type 4, Class E. Any subbase course of aggregate base course to be utilized with any type of pavement shall have a minimum thickness of four inches.
f.
Bituminous Base Courses.
1.
Bituminous base courses for use with bituminous concrete pavements shall consist of plant-mixed bituminous stabilized base course (stone mix or gravel mix) in accordance with the requirements of the standard specifications, except that the requirements for the construction of the base course shall be amended to allow the laying of the base course with a single lift maximum thickness not exceeding four inches.
2.
Prior to placement of any bituminous stabilized base course, the finished surface of any underlying subbase or aggregate base shall receive a prime coat in accordance with the requirements of the standard specifications.
g.
Bituminous Pavements. Bituminous pavements shall consist of a bituminous concrete surface course Type FA-BC-1, in accordance with the requirements of the standard specifications. The bituminous pavement wearing surface should generally not be installed until just prior to the time the streets are prepared for final acceptance. Prior to the installation of a bituminous concrete surface, the bituminous base course shall be inspected by the borough engineer. Any areas of the base course in need of repair shall be removed and replaced at the direction of the borough engineer. If the borough engineer directs, a leveling course of FA-BC material shall be placed on any uneven or below grade base courses prior to the placement of finished pavement. No pavement surfaces shall be placed unless permission to do so has been granted by the borough engineer.
h.
Concrete Pavements. Concrete pavements shall be constructed in accordance with the requirements of the standard specifications. Expansion joints shall be New Jersey State Department of Transportation Type A Expansion Joints. The developer may submit, at the time of the submission of the preliminary plat, an alternate expansion joint detail. The use of such an alternate detail must be recommended by the borough engineer and approved by the planning board. Where existing concrete roadways are being widened as the result of the development of abutting properties, the widened pavement shall be required to be of Portland cement concrete. The remaining pavement in the development may, if the subdivider elects, be bituminous concrete. This will be an exception to the requirements that all pavement constructed within a development be of one type.
i.
Alternate Pavement Types. In areas where alternate pavement types are proposed or desired either for decorative purposes, because of physical restrictions or existing conditions, or because of limitations or shortages in certain types of construction materials, a detail of the type and/or location of alternate pavement types proposed shall be submitted for approval with the preliminary and/or final plat. The use of alternate pavement types may only be permitted if the applicant submits for review and approval details and specifications concerning the equipment, materials and methods proposed for use, and if the borough engineer has inspected the installation of, and tested and approved a suitable sample section of such pavement. In the event the borough engineer does not approve the sample section of pavement, the developer shall remove the same section and replace it with a type of pavement permitted by this chapter or such other alternate as may be approved by the planning board.