Required Improvements

The subdivider shall provide the following improvements and improvement areas within time limits specified by the Commission:

(a)Streets, Alleys and Sidewalks - Urban areas. Where general plans have been or are hereafter duly adopted and show COL 8/23/2023 CH. 62 SUBDIVISION LAW an area as planned for development into urban use, the following street, alley and sidewalk improvements shall be required: All streets and alleys within the subdivision shall be graded and drained the full width of the right-of-way. The roadbed portion of the right-of-way shall be improved with a stabilized coral base and surfaced with light bituminous surface treatment having a minimum width of twenty-two feet (22'). The roadway centerline gradient and right of way cross-section including drainage ditches, travelled roadway design and paving and shoulders shall be in conformity to criteria established by the Commission. Permanent sidewalks having a minimum width of four feet (4') shall be laid out for all streets and shall be dedicated to the government of Guam. The Commission shall establish criteria relating to width and construction of such sidewalks, and all such sidewalks shall be in conformity thereto.

(b)Streets and Alleys - Unplanned Areas. Where at the time of a subdivision a general plan has not been adopted or where the general plan designates the area as agricultural, the following street and alley improvements will be required: All streets and alleys within the subdivision shall be graded and drained the full width of the right-of-way. The roadbed portion of the right-of-way shall be improved with a stabilized coral base. The roadway centerline gradient and right-of-way cross-section including drainage ditches, travelled roadway and shoulders shall be in conformity to criteria established by the Commission.

(c)Storm Water Drainage. Storm drainage facilities shall be provided in all subdivisions in accordance with plans prepared by the subdivider conforming to criteria established by the Commission. These facilities shall be designed to dispose of normal storm waters falling on the subdivision without hazard of flooding, inconvenience of ponding, and the erosion of public or private lands.

(d)Domestic Water. Potable domestic water shall be piped onto each lot within the subdivision. Water pipes shall be new and so sized to supply normal household pressures. COL 8/23/2023 CH. 62 SUBDIVISION LAW

(e)Sanitary Sewage Disposal. When sanitary sewers are provided in a subdivision, they shall be in conformity to plans prepared by the subdivider satisfactory to the Commission. When sewers are placed within a subdivision, the minimum permissible lot size shall be as determined by the applied zoning district, or in the absence of zoning, shall be not less than seven thousand (7,000) square feet. In subdivisions where sanitary sewers are not provided, the minimum permissible lot size shall be determined by the slope and characteristics of the subdivision soil and subsoil but in no event shall be less than is established by the applied zoning district, or in the absence of zoning, seven thousand (7,000) square feet. Determination of lot size shall be made on the basis of soil percolation tests made in conformity to standards adopted by the Commission. Lot sizes, including area and minimum widths and depths shall be related to the ability of the subdivision lands to accept the anticipated septic tank effluent whereby no sanitary problem will be created. The Commission shall establish criteria relating lot sizes and shapes to tested rates of seepage, and all lots created after the enactment of this Chapter shall conform thereto.

(f)Survey Monuments. Permanent concrete monuments shall be installed at all points of direction changed in the subdivision perimeter and in the exterior lines of blocks.