- REQUIRED SUBDIVISION IMPROVEMENTS
Right-of-way and property line monuments shall be in place in each subdivision in accordance with the following:
160.1.
Right-of-way monuments. A concrete marker imbedded at least two feet into the ground shall be required at the intersection of the centerline of all street rights-of-way. Such concrete markers shall be at least four inches in diameter. The top surface of such concrete marker shall be level with the surface of the street.
160.2.
Property line monuments. An iron pin or concrete marker at least two feet into the ground shall be required at each lot corner and each point where the property line changes direction. Such an iron pin shall be at least three-quarter inch in diameter. The top surface of such iron pin shall be approximately level with the ground surface. Such concrete marker shall be at least four inches in diameter. The top surface of such iron pin shall be approximately level with the ground surface.
All streets shall be classified for construction purposes only as follows:
161.1.
Standard street. A standard street shall be paved, curbed and guttered in accordance with the specifications required herein, and shall be required in all zoning districts. Right-of-way width requirements shall be in accordance with section A-152 herein.
162.1.
Grades, horizontal curves, tangents, and sight distances. The following street design requirements shall be adhered to in addition to other requirements stated herein:
162.2.
Vertical curves. All changes in grade shall be connected by vertical curves of minimum length in feet equal to 15 times the algebraic difference in percent of grades for expressways, freeways, arterial and collector streets, and one-half this minimum length for other streets. Profiles of all streets showing natural and finished grades drawn to a scale of not less than one inch equals 100 feet horizontally and one inch equals 20 feet vertically may be required by the City Council.
163.1.
Grading. All streets, roads and alleys shall be graded to their full width by the subdivider so that pavements and sidewalks, where required or if installed in the future, can be constructed on the same level plane. The preparation of the right-of-way before grading is started and the construction of cuts and fills shall be accomplished in accordance with the requirements herein and other specifications of the City Council.
163.2.
Storm drainage. An adequate drainage system based on at least the ten-year rainfall frequency, including necessary curb, pipes, culverts, headwalls, and ditches, shall be provided for the proper drainage of all surface water.
163.3.
Installation of utilities. After grading is completed and approved and before any base is applied, all of the underground utilities, water mains, sewer mains, gas mains, or any other underground utilities, and all service connections related thereto, shall be installed completely and proved throughout the length of the street and across the flat section. Service connections for sanitary sewer and water shall be extended to the right-of-way lines.
163.4.
Slopes and shoulder improvements. The minimum ratio for all fill or cut slopes shall be two to one and the minimum width for all shoulders from back edge of the curb, if installed, shall be eight feet. All shoulders shall slope one-half inch to the foot. When all construction is completed, all slopes and shoulders shall be cleared of all rubbish and shall have a stand of grass to prevent undue erosion, either by sprigging or seeding.
For standard streets, the following minimum requirements shall be adhered to for the surfacing and paving of said streets:
164.1.
Pavement base. The pavement bases, not including the surface courses, shall be one of the following types and shall be of the following minimum thickness as designated for each street:
164.2.
Thickness of pavement. The pavement shall be one of the following types and shall be designated for each street classification:
* - The 2¾ inch consists of a 1½ inch binder and a 1¼ in surface.
** - The 3½ inch consists of a two-inch binder and a 1½ inch surface.
164.3.
Minimum pavement width. All minor residential streets shall have a minimum pavement width of 27 feet from back of curb to back of curb, or 24 from edge of pavement to edge of pavement if no curb or gutters are installed. All other street width requirements shall be determined by the City Council as required.
164.4.
Pavement breaks for utility connections. When it is necessary for a subdivider or any utility company to break existing pavement for the installation of utilities for drainage facilities, or for any other purposes, the subdivider or utility company shall be financially responsible for the repair of the pavement. The pavement shall be in accordance with the specifications required herein for construction of streets.
164.5.
Curbs and gutters. Either the regular six-inch or four-inch rollover concrete curbs and gutters with a minimum overall width of 24 inches shall be constructed on all standard streets. Cement concrete valley gutter shall be permitted across minor residential streets at street intersections only when no storm sewers are available as determined by the Zoning Enforcement Officer. Valley gutters shall be at least six feet in width. Whenever driveway openings are provided for lots abutting the street, the driveway shall be six inches thick and a minimum of ten feet in width at the sidewalk or at the street right-of-way line. The driveway shall have a minimum three foot radius at the curb line.
164.6.
Temporary turnarounds. Temporary turnarounds shall be required at the discretion of the City Council. Said turnarounds shall consist of a tack coat with one inch of asphalt.
164.7.
Quality control and testing requirements. It will be the responsibility of the developer or his authorized representative to ensure that all tests required are made. The cost of all testing and quality control will be performed at the expense of the developer by qualified testing laboratories approved by the City Council. In all test reports, thickness of base and asphaltic concrete will be shown.
Table 6-10.5: Quality Control and Testing Requirements
165.1.
Water. Water mains for both domestic use and fire protection shall be properly sized by the City and connected with the public system. The lines shall be constructed in such a manner as to adequately serve the subdivision. The lines shall be sized and installed in conformance with water specifications for the City. The City Council may participate in sharing the costs of construction and installation of water system for any difference in the cost to lay oversized pipe and outfall systems, which are needed in excess of the required water facilities needed to exclusively serve the new subdivision as determined by the Mayor and Council.
165.2.
Sewer. A publicly connected sanitary sewer system shall be installed, and the subdivider shall incur the cost for the installation of all sewer systems, which are required to serve the new subdivision including the cost of installing and tying in with the existing sewer system. The City Council may participate in sharing the cost of construction and installation of sewer systems for any difference in the cost of oversized pipe and outfall systems, which are needed in excess of the required sewer facilities needed to exclusively serve the new subdivision as determined by the Mayor and Council. All sewer facilities shall be installed in accordance with the standards of the Georgia Department of Human Resources and with the sewer specifications for the City.
165.3.
Gas. When gas mains are connected with the gas distribution system of the City, the lines shall be installed in such a manner as to serve adequately all lots shown on the subdivision plats. The gas line shall be constructed in conformance with the gas specifications for the City.
165.4.
Underground electrical system. If the subdivider installs an underground electrical system, he shall provide the Building Inspector with detailed plans showing the exact location of the lines.
165.4.1.
Overhead street lighting. In cases where an underground electrical system has been installed, the subdivider shall provide terminal facilities and lighting fixtures for street lighting. This fixture shall be placed on the street pavement and in a location so as not to hinder the flow of traffic.
165.4.2.
Cost of overhead street lighting. In cases of underground electrical systems, the subdivider shall assume the entire cost for installation of terminal street lighting fixtures.
166.1.
Sidewalk dimensions. Unless otherwise specified, all sidewalks shall be four inches thick with a minimum width of five feet. A 30-inch grass planting strip shall be provided between the back of the planting curb and the sidewalk. The 30-inch grass planting strip between the back of the curb and the sidewalk shall not be required on streets designated as alternate transportation routes.
The administrative procedures for installing the subdivision improvements required herein shall be as follows:
167.1.
When construction may begin. Construction and installation of any required public improvement as described herein shall not begin until the City Council has given preliminary approval of the new subdivision. The subdivider shall then confer with the Zoning Enforcement Officer to determine the method and estimated cost of the construction and installation of the required improvements.
167.2.
Plans to be filed with the City Council. Four copies of all plans for streets, sanitary sewers, storm sewers, sidewalks, and other required public improvements showing the proposed plan and profile of each shall be submitted to and approved by the City Council prior to beginning construction and installation of the system. The plan shall be prepared from an actual engineering survey, originating at the existing street, sewer, sidewalk and other required public improvements, prepared on standard plan and profile sheets showing cross sections. Each system for any one new subdivision shall be prepared by a registered professional engineer.
167.3.
Inspections and approval by the City Council. During the construction and installation of the required public improvements, the Zoning Enforcement Officer shall, from time to time, make field inspections and supervise said work as predetermined and agreed upon by the Zoning Enforcement Officer, the City Council and the subdivider. After completion of all the construction and installation of the required public improvements and if said work has met the specifications as described herein, as determined by the Zoning Enforcement Officer, the Zoning Enforcement Officer shall notify the subdivider in writing of the approval of said work.
167.4.
Official acceptance by the City Council. The City Council shall officially accept the completed work on the construction and installation of required public improvements one year from the date of the written acceptance by the Zoning Enforcement Officer.
167.5.
Performance bond. If the subdivider does not wish to construct and install any required public improvements as described herein prior to submitting the subdivision plat to the City Council for final approval, a performance bond shall be required as provided for in section 143.6, such bond being equal to the estimated cost of construction. When the work has been completed satisfactorily, the City Council shall release 90 percent of the funds in escrow with a letter of approval to the subdivider. The remaining ten percent shall remain in escrow for maintenance purposes.
167.6.
Maintenance of completed work. The subdivider shall maintain his completed work until the official acceptance by the City Council as described in section 167.4 above. The subdivider shall be required to sign a maintenance agreement with the City Council. If a maintenance bond is posted by the subdivider, a bond equaling ten percent for the construction cost shall be required. During the maintenance period the Zoning Enforcement Officer shall make final inspection and notify the subdivider and the bonding company, or in cases where funds are being held in escrow, the cost for making such corrections shall be deducted from these funds, and the subdivider charged with any costs above the amount of escrow funds. If the work is acceptable at this time, the remaining ten percent of the escrow funds shall be released to the subdivider.
167.7.
Cost of improvements.
167.7.1.
Subdivider's responsibility. The subdivider shall incur the cost of construction and installation of all required public improvements based on the following:
(1)
Streets. Incur the cost for the construction of streets up to 27 feet in pavement width from back of curb to back of curb or 24 feet in pavement width from the edge of pavement to edge of pavement if no curbs and gutters are installed.
(2)
Water and sewer systems. Incur the cost for the installation of all water and sewer systems which is required to serve the new subdivision and tie in with existing water and sewer systems, based on the specifications set forth herein.
(3)
Monuments. Entire cost.
167.7.2.
City council's responsibility. The City Council shall partially participate in sharing the cost of construction and installation of required public improvements for the following conditions:
(1)
Streets. Incur cost for any additional required pavement which is in excess of 27 feet for streets with curbs and gutters and in excess of 24 feet for streets without curbs and gutters, and any additional grading and paving related thereto.
167.7.3.
Property owner's responsibility. Whenever the City Council is petitioned by the property owners to upgrade an existing substandard street to a standard street, the property owners shall then incur the entire cost for said improvements based on the footage along the property line of each lot abutting the street which is being improved and on the requirements in section 167.7.1 above.
167.7.4.
Estimated costs for construction and installation. The current unit prices in effect at the time of submission of plans shall be used in determining the total estimated cost for construction and installation of required public improvements in new subdivisions.
167.8.
"As-built" plans. The developer will provide the City of Buena Vista two sets of "as-built" plans based upon actual work constructed. Record drawings will show references for valve and manhole locations, distances between manholes and utility service locations.
- REQUIRED SUBDIVISION IMPROVEMENTS
Right-of-way and property line monuments shall be in place in each subdivision in accordance with the following:
160.1.
Right-of-way monuments. A concrete marker imbedded at least two feet into the ground shall be required at the intersection of the centerline of all street rights-of-way. Such concrete markers shall be at least four inches in diameter. The top surface of such concrete marker shall be level with the surface of the street.
160.2.
Property line monuments. An iron pin or concrete marker at least two feet into the ground shall be required at each lot corner and each point where the property line changes direction. Such an iron pin shall be at least three-quarter inch in diameter. The top surface of such iron pin shall be approximately level with the ground surface. Such concrete marker shall be at least four inches in diameter. The top surface of such iron pin shall be approximately level with the ground surface.
All streets shall be classified for construction purposes only as follows:
161.1.
Standard street. A standard street shall be paved, curbed and guttered in accordance with the specifications required herein, and shall be required in all zoning districts. Right-of-way width requirements shall be in accordance with section A-152 herein.
162.1.
Grades, horizontal curves, tangents, and sight distances. The following street design requirements shall be adhered to in addition to other requirements stated herein:
162.2.
Vertical curves. All changes in grade shall be connected by vertical curves of minimum length in feet equal to 15 times the algebraic difference in percent of grades for expressways, freeways, arterial and collector streets, and one-half this minimum length for other streets. Profiles of all streets showing natural and finished grades drawn to a scale of not less than one inch equals 100 feet horizontally and one inch equals 20 feet vertically may be required by the City Council.
163.1.
Grading. All streets, roads and alleys shall be graded to their full width by the subdivider so that pavements and sidewalks, where required or if installed in the future, can be constructed on the same level plane. The preparation of the right-of-way before grading is started and the construction of cuts and fills shall be accomplished in accordance with the requirements herein and other specifications of the City Council.
163.2.
Storm drainage. An adequate drainage system based on at least the ten-year rainfall frequency, including necessary curb, pipes, culverts, headwalls, and ditches, shall be provided for the proper drainage of all surface water.
163.3.
Installation of utilities. After grading is completed and approved and before any base is applied, all of the underground utilities, water mains, sewer mains, gas mains, or any other underground utilities, and all service connections related thereto, shall be installed completely and proved throughout the length of the street and across the flat section. Service connections for sanitary sewer and water shall be extended to the right-of-way lines.
163.4.
Slopes and shoulder improvements. The minimum ratio for all fill or cut slopes shall be two to one and the minimum width for all shoulders from back edge of the curb, if installed, shall be eight feet. All shoulders shall slope one-half inch to the foot. When all construction is completed, all slopes and shoulders shall be cleared of all rubbish and shall have a stand of grass to prevent undue erosion, either by sprigging or seeding.
For standard streets, the following minimum requirements shall be adhered to for the surfacing and paving of said streets:
164.1.
Pavement base. The pavement bases, not including the surface courses, shall be one of the following types and shall be of the following minimum thickness as designated for each street:
164.2.
Thickness of pavement. The pavement shall be one of the following types and shall be designated for each street classification:
* - The 2¾ inch consists of a 1½ inch binder and a 1¼ in surface.
** - The 3½ inch consists of a two-inch binder and a 1½ inch surface.
164.3.
Minimum pavement width. All minor residential streets shall have a minimum pavement width of 27 feet from back of curb to back of curb, or 24 from edge of pavement to edge of pavement if no curb or gutters are installed. All other street width requirements shall be determined by the City Council as required.
164.4.
Pavement breaks for utility connections. When it is necessary for a subdivider or any utility company to break existing pavement for the installation of utilities for drainage facilities, or for any other purposes, the subdivider or utility company shall be financially responsible for the repair of the pavement. The pavement shall be in accordance with the specifications required herein for construction of streets.
164.5.
Curbs and gutters. Either the regular six-inch or four-inch rollover concrete curbs and gutters with a minimum overall width of 24 inches shall be constructed on all standard streets. Cement concrete valley gutter shall be permitted across minor residential streets at street intersections only when no storm sewers are available as determined by the Zoning Enforcement Officer. Valley gutters shall be at least six feet in width. Whenever driveway openings are provided for lots abutting the street, the driveway shall be six inches thick and a minimum of ten feet in width at the sidewalk or at the street right-of-way line. The driveway shall have a minimum three foot radius at the curb line.
164.6.
Temporary turnarounds. Temporary turnarounds shall be required at the discretion of the City Council. Said turnarounds shall consist of a tack coat with one inch of asphalt.
164.7.
Quality control and testing requirements. It will be the responsibility of the developer or his authorized representative to ensure that all tests required are made. The cost of all testing and quality control will be performed at the expense of the developer by qualified testing laboratories approved by the City Council. In all test reports, thickness of base and asphaltic concrete will be shown.
Table 6-10.5: Quality Control and Testing Requirements
165.1.
Water. Water mains for both domestic use and fire protection shall be properly sized by the City and connected with the public system. The lines shall be constructed in such a manner as to adequately serve the subdivision. The lines shall be sized and installed in conformance with water specifications for the City. The City Council may participate in sharing the costs of construction and installation of water system for any difference in the cost to lay oversized pipe and outfall systems, which are needed in excess of the required water facilities needed to exclusively serve the new subdivision as determined by the Mayor and Council.
165.2.
Sewer. A publicly connected sanitary sewer system shall be installed, and the subdivider shall incur the cost for the installation of all sewer systems, which are required to serve the new subdivision including the cost of installing and tying in with the existing sewer system. The City Council may participate in sharing the cost of construction and installation of sewer systems for any difference in the cost of oversized pipe and outfall systems, which are needed in excess of the required sewer facilities needed to exclusively serve the new subdivision as determined by the Mayor and Council. All sewer facilities shall be installed in accordance with the standards of the Georgia Department of Human Resources and with the sewer specifications for the City.
165.3.
Gas. When gas mains are connected with the gas distribution system of the City, the lines shall be installed in such a manner as to serve adequately all lots shown on the subdivision plats. The gas line shall be constructed in conformance with the gas specifications for the City.
165.4.
Underground electrical system. If the subdivider installs an underground electrical system, he shall provide the Building Inspector with detailed plans showing the exact location of the lines.
165.4.1.
Overhead street lighting. In cases where an underground electrical system has been installed, the subdivider shall provide terminal facilities and lighting fixtures for street lighting. This fixture shall be placed on the street pavement and in a location so as not to hinder the flow of traffic.
165.4.2.
Cost of overhead street lighting. In cases of underground electrical systems, the subdivider shall assume the entire cost for installation of terminal street lighting fixtures.
166.1.
Sidewalk dimensions. Unless otherwise specified, all sidewalks shall be four inches thick with a minimum width of five feet. A 30-inch grass planting strip shall be provided between the back of the planting curb and the sidewalk. The 30-inch grass planting strip between the back of the curb and the sidewalk shall not be required on streets designated as alternate transportation routes.
The administrative procedures for installing the subdivision improvements required herein shall be as follows:
167.1.
When construction may begin. Construction and installation of any required public improvement as described herein shall not begin until the City Council has given preliminary approval of the new subdivision. The subdivider shall then confer with the Zoning Enforcement Officer to determine the method and estimated cost of the construction and installation of the required improvements.
167.2.
Plans to be filed with the City Council. Four copies of all plans for streets, sanitary sewers, storm sewers, sidewalks, and other required public improvements showing the proposed plan and profile of each shall be submitted to and approved by the City Council prior to beginning construction and installation of the system. The plan shall be prepared from an actual engineering survey, originating at the existing street, sewer, sidewalk and other required public improvements, prepared on standard plan and profile sheets showing cross sections. Each system for any one new subdivision shall be prepared by a registered professional engineer.
167.3.
Inspections and approval by the City Council. During the construction and installation of the required public improvements, the Zoning Enforcement Officer shall, from time to time, make field inspections and supervise said work as predetermined and agreed upon by the Zoning Enforcement Officer, the City Council and the subdivider. After completion of all the construction and installation of the required public improvements and if said work has met the specifications as described herein, as determined by the Zoning Enforcement Officer, the Zoning Enforcement Officer shall notify the subdivider in writing of the approval of said work.
167.4.
Official acceptance by the City Council. The City Council shall officially accept the completed work on the construction and installation of required public improvements one year from the date of the written acceptance by the Zoning Enforcement Officer.
167.5.
Performance bond. If the subdivider does not wish to construct and install any required public improvements as described herein prior to submitting the subdivision plat to the City Council for final approval, a performance bond shall be required as provided for in section 143.6, such bond being equal to the estimated cost of construction. When the work has been completed satisfactorily, the City Council shall release 90 percent of the funds in escrow with a letter of approval to the subdivider. The remaining ten percent shall remain in escrow for maintenance purposes.
167.6.
Maintenance of completed work. The subdivider shall maintain his completed work until the official acceptance by the City Council as described in section 167.4 above. The subdivider shall be required to sign a maintenance agreement with the City Council. If a maintenance bond is posted by the subdivider, a bond equaling ten percent for the construction cost shall be required. During the maintenance period the Zoning Enforcement Officer shall make final inspection and notify the subdivider and the bonding company, or in cases where funds are being held in escrow, the cost for making such corrections shall be deducted from these funds, and the subdivider charged with any costs above the amount of escrow funds. If the work is acceptable at this time, the remaining ten percent of the escrow funds shall be released to the subdivider.
167.7.
Cost of improvements.
167.7.1.
Subdivider's responsibility. The subdivider shall incur the cost of construction and installation of all required public improvements based on the following:
(1)
Streets. Incur the cost for the construction of streets up to 27 feet in pavement width from back of curb to back of curb or 24 feet in pavement width from the edge of pavement to edge of pavement if no curbs and gutters are installed.
(2)
Water and sewer systems. Incur the cost for the installation of all water and sewer systems which is required to serve the new subdivision and tie in with existing water and sewer systems, based on the specifications set forth herein.
(3)
Monuments. Entire cost.
167.7.2.
City council's responsibility. The City Council shall partially participate in sharing the cost of construction and installation of required public improvements for the following conditions:
(1)
Streets. Incur cost for any additional required pavement which is in excess of 27 feet for streets with curbs and gutters and in excess of 24 feet for streets without curbs and gutters, and any additional grading and paving related thereto.
167.7.3.
Property owner's responsibility. Whenever the City Council is petitioned by the property owners to upgrade an existing substandard street to a standard street, the property owners shall then incur the entire cost for said improvements based on the footage along the property line of each lot abutting the street which is being improved and on the requirements in section 167.7.1 above.
167.7.4.
Estimated costs for construction and installation. The current unit prices in effect at the time of submission of plans shall be used in determining the total estimated cost for construction and installation of required public improvements in new subdivisions.
167.8.
"As-built" plans. The developer will provide the City of Buena Vista two sets of "as-built" plans based upon actual work constructed. Record drawings will show references for valve and manhole locations, distances between manholes and utility service locations.