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(A) Compliance with subdivision regulations. All driveways shall conform to § 153.210 set forth in the zoning regulations.
(B) Location. The driveway shall be so located that all portions thereof shall come within the limits of lot lines extended to the existing curb or pavement, unless Council by special resolution shall authorize a different location. Such resolution shall specify the location authorized. In case water hydrants, light standards, telephone poles or other existing structures conflict with the location decided upon, the Municipal Engineer may require such structure to be removed, provided that removal is practicable. The property owner shall deposit in advance with the owner of such structures a sum sufficient to cover the full cost of removal and relocation.
(C) Removal of curb. The minimum length of removal of existing curb shall be 16 feet. In cutting the existing curb, care shall be taken so that the cut shall be vertical and at right angles to the line of curb. Five feet shall be the minimum length of the block or blocks of curb left in place, otherwise a full block of existing curb shall be removed and replaced. Replaced work shall conform in all respects in character and kind to existing work. The minimum width of driveway, from the curb line to the lot line, shall be ten feet.
(D) Character of work. All driveways shall be paved with concrete from the back of the curb line or, if there be no curb, from the street pavement to the lot line. Asphaltic concrete will be permitted where there are no curbs. Concrete shall comply with the provisions of § 150.039(G) and shall have a minimum depth of six inches throughout. Asphaltic concrete shall be of a type and depth as to have sufficient stability to withstand the use to which the driveway may be put. Where concrete sidewalks are in place in front of the property, that portion of the driveway crossing the sidewalk section shall be constructed of concrete. To provide for expansion, a one-half inch pre-moulded expansion joint extending the full section width of the curb and gutter shall be placed at each side where the driveway joins the curb and gutter shall be placed at each side where the driveway joins the existing curb and also in the center of the curb and gutter section. All work shall be subject to the approval of the Municipal Engineer who may order the removal of any work which does not comply herewith. Where drainage ditches are permitted, a reinforced concrete pipe of sufficient size as determined by the Municipal Engineer shall be placed under the drive.
(E) Existing structures. Existing drain tile shall be maintained in workable condition and if disturbed shall be properly replaced. If no drain tile exists, a drain tile shall be inserted. Where electric cable exists, a two-inch fiber duct shall be placed around the cable in such a manner as to leave the cable free to be pulled and replaced. If no electric cable exists and if the street is improved with curbs and gutters, a two-inch duct shall nevertheless be inserted to care for future cables. Valve boxes, land monuments and any existing structures encountered shall be properly protected and cared for.
(F) Adjustments. Where the sidewalk is adjacent to the curb, the Municipal Engineer may make such adjustments to Appendix A of the subdivision regulations set forth in Chapter 152 as are necessary to prevent damage to the street, curb or sidewalk and provide for as smooth an entrance as possible.
(G) Limitation on width and number. Driveway width and number requirements shall be provided as required by § 153.210 of the zoning regulations.
('80 Code, § 1317.05) (Ord. 7-75, passed 2-17-75); Am. Ord. 11-89, passed 2-21-89; Am. Ord. 24-07, passed 5-21-07)
Sidewalks within the confines of the right-of-way shall be of portland cement concrete, of monolithic construction, located a variable distance back of the curb and shall have a width of four feet unless a different width shall be provided by Council ordering sidewalk construction, and shall be constructed as hereinafter set forth. Unless Council has specified the location of sidewalks in its legislation ordering their construction, Council may authorize the construction of sidewalks more than five feet from the curb, but not nearer the property line than one foot, upon determination that such location will not detract from the utility or appearance of such sidewalk, or be objectionable in other respects.
(A) Thickness. All concrete walks shall have a minimum thickness of four inches except within the limits of driveways where the minimum thickness shall be six inches.
(B) Grade. Sidewalks shall be graded in conformance with the standard drawings on file with the Municipal Engineer. The slope may be varied as directed by the Municipal Engineer if necessary to conform to existing structures or grades.
(C) Expansion joints. Expansion joints one-half inch thick of suitable asphaltic felt or joint materials shall be provided in all instances where sidewalk meets curb, structures, poles, boxes or where joining existing walks or concrete structures and at intervals of approximately 16 feet across walks.
(D) Preparation of subgrade. The subgrade shall be prepared per Item 204, Subgrade Compaction and Proof Rolling / Test Rolling, in the City of Columbus Construction and Material Specifications.
(E) Structures encountered. The contractor shall adjust main line or hydrant valve boxes, water or gas service boxes and manholes in the area of the walks to conform to the finished grade.
(F) Aggregate base. Four inches of compacted aggregate base material shall be placed under sidewalks. The material shall conform to Item 304, Aggregate Base, in the City of Columbus, Construction and Material Specifications, or Number 57 stone.
(G) Forms. Forms for concrete sidewalk shall be of wood not less than two inches nominal thickness or of steel of equal rigidity. Flexible strips shall be used on curves. The forms shall be set true to line and grade and be securely staked and held.
(H) Material. Concrete for sidewalks shall be concrete as described under “Item 608, Walks, Curb Ramps, and Steps” in the City of Columbus, Construction and Material Specifications.
(I) Placing and finishing. The subgrade shall be adequately moistened just before the concrete is placed. The concrete shall be deposited and compacted in a single layer. It shall be struck off with a template and smoothed with a float to produce a sandy texture. The edges shall be rounded to ¼ inch radius. The surface of the sidewalk shall be divided into blocks by the use of a grooving tool. The grooves shall be spaced equally at four-foot intervals to divide the walk into square blocks. Additional grooves shall be placed over roof drains, at changes in walk thickness, and at other places as directed by the Municipal Engineer. A true expansion joint extending through the entire thickness and filled with expansion joint material s hall be placed at every fourth joint or at intervals of approximately every 16 feet.
(J) Curing and protection. After finishing, the concrete shall be sealed by spraying thereon a membrane curing material in such a manner as to provide a continuous, uniform water-impermeable film without marring the surface of the concrete. A minimum of one gallon of material shall be used per 200 square feet of surface treated. The curing material shall be of such a nature that it is distinctly visible for at least four hours after application but shall produce no permanent discoloration of the concrete. Sidewalks shall not be laid on frozen ground or at a time when freezing temperatures prevail. The contractor shall protect all concrete placed at such times as freezing temperature may be encountered.
(K) Clean-up. As the walk is completed and forms removed the contractor shall immediately backfill the excavation, remove all surplus material and leave the walk and sod strip entirely free from any objects or material that may endanger the public to the satisfaction of the Municipal Engineer.
(L) Roof drain replacement. Existing roof drains passing through the sidewalk area shall be protected when they are at such a grade that the top of the pipe barrel is at least three inches below the top of the sidewalk or finished grade of the sod strip. Drains having less than three-inch cover shall be lowered or replaced for such length as necessary to get cover and to meet the existing pipe grade in the lawn. Pipe used for replacement shall be four-inch nominal diameter standard strength vitrified clay pipe; “D” quality asbestos cement pipe; or “C” quality rigid plastic pipe or standard strength cast iron soil pipe. In all cases the joints between sections shall be sealed by method appropriate for the pipe being used. Where the replacement pipe is of different type from the existing pipe the joint between the two shall be made watertight and mechanically secure. If the replacement pipe is carried through the curb, the curb opening shall be cleaned out and mortared up in a manner satisfactory to the Municipal Engineer after the replacement pipe is installed.
('80 Code, § 1317.06) (Ord. 7-75, passed 2-17-75; Am. Ord. 24-07, passed 5-21-07) Penalty, see § 150.999
The requirements for the grading and draining of building lots shall be as provided herein.
(A) The foundation walls of every dwelling house, and every other building having a basement under any part thereof, shall be constructed to an elevation at least four inches higher than the top of the abutting street, (measured at the mid-point of the lot frontage), plus a height equal to one-half inch for each foot of distance from such building to the abutting street curb. The finished grade of the ground from the front of such building to the street shall slope toward the street at the rate of not less than one- half inch to the foot, throughout all portions of the front yard.
(B) For a distance of at least ten feet from the other walls of such building, the ground shall slope away from the building at a grade of not less than six inches to the foot.
(C) Where it is not practicable to grade the lot so as to provide natural runoff of surface water from the entire lot to a street, storm sewer or other approved outlet, a drainage line or lines of field tile, vitrified tile or other nonporous pipe of acceptable size shall be installed, with proper inlets to drain any part of the lot which would otherwise collect and impound water. The materials and method of installation of such lines shall be determined by the Municipal Engineer. Such drainage lines shall lead into the street, storm sewer or other outlet approved by the Municipal Engineer.
(D) The lot grading and drainage herein required shall not thereafter be changed by any owner, occupant or other person in control of the premises in such a way as to diminish or impede the runoff of water from such lot, away from any building, toward the street, storm sewer or other approved outlet.
(E) The Municipal Engineer shall have the power to modify the foregoing provisions and to make additional or substituted requirements on hillside lots, corner lots and in other individual cases where, because of unusual topographic or other problems, the above requirements would not produce the results sought, or where other grading or drainage treatment would produce equal or better results.
(F) Where curbs and gutters have not been installed, or required, in the abutting street the foundation and lot grades shall be predicated upon the proposed grade of the abutting street as established by Council.
(G) Foundation sump pump drains are to be connected to an appropriate drainage outlet (the street, storm sewer or other outlet approved by the Municipal Engineer) to the satisfaction of the Municipal Engineer. Maintenance of the draingage connection is the responsibility of the property owner.
('80 Code, § 1317.07) (Ord. 7-75, passed 2-17-75; Am. Ord. 24-07, passed 5-21-07) Penalty, see § 150.999
ENCROACHMENTS ON MUNICIPAL PROPERTY
(A) A landowner, who has an existing or proposed encroachment into the city easement located on private property, shall file an encroachment agreement application with the city. Applicable encroachments include, but are not limited to, buildings, parking areas, driveways, sidewalks, sheds, swimming pools, patios, decks, play structures or other accessory structures, fences, antennae and basketball courts or other sport courts. Encroachments which do not interfere presently with the public use of the easement area will be permitted to remain should the landowner and the city enter into an encroachment agreement.
(B) The landowner shall file an encroachment agreement application, along with the applicable fee, with the Municipal Engineer. The Municipal Engineer shall review the application, and on a case-by-case basis may determine that the proposed encroachment is acceptable. Encroachments may be acceptable when they do not impair the public use of the easement area and are capable of being removed if a public need for the easement area arises. Encroachments shall not be permitted in designated drainage easements.
(C) Following approval, the Municipal Engineer shall forward the approved application, with any conditions for the encroachment, to the Law Director. The Law Director will prepare an encroachment agreement to be signed by the Municipal Engineer and landowner. Upon the landowner's payment of the applicable filing fee, the Municipal Engineer will file the executed encroachment agreement with the applicable County Recorder's Office.
(D) The landowner will be responsible for securing any additional permission from utility companies or other rightful owners of easements on the landowner's property.
(E) Should the Municipal Engineer discover or be notified of an encroachment into the city easement area, the Municipal Engineer will provide a one-time notice of encroachment by hand delivery or certified mail to the landowner, and allow 30 calendar days for the landowner to remove the encroachment or file an encroachment agreement application. Should the encroachment remain after 30 calendar days, in the absence of the landowner filing an encroachment agreement application, the landowner shall be cited.
(F) Any landowner aggrieved by a decision of the Municipal Engineer may appeal such decision to the City Manager or the Manager's designee. Appeals shall be taken within 20 days after the decision by filing with the Municipal Engineer a notice of appeal, specifying the grounds. The Municipal Engineer shall transmit to the City Manager or the Manager's designee all the papers constituting the record upon which the action was taken.
(G) Nothing in this section shall prohibit the city from entering into an easement area when necessary to gain access at the location of the encroachment. In such situations, the city shall not be responsible for any costs, expenses, damages or reconstruction to the encroachment. The Municipal Engineer in his or her sole discretion will determine whether the City will work in, on, above, or below, around or through the encroachment.
(H) A landowner who enters into an encroachment agreement with the city must adhere to all other Dublin Code sections, including but not limited to Chapter 98 regarding right-of-way management.
(Ord. 32-06, passed 6-5-06; Am. Ord. 24-07, passed 5-21-07) Penalty, see § 150.999
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