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A. Sketch plats shall be prepared in pen or pencil drawn to a convenient scale of not more than one hundred feet (100') to an inch and shall show the following information:
1. Name:
a. Name of subdivision in accord with the requirements of Idaho Code section 50-1307.
b. Name of property if no subdivision name has been chosen.
2. Ownership:
a. Name and address of legal owner or agent of property, and citation of last instrument conveying title to each property involved in the proposed subdivision, giving grantor, grantee, date, and land records reference (deed book and page).
b. Citation of any existing legal rights of way or easements affecting the property.
c. Existing covenants on the property, if any.
d. Name and address of the professional person(s) responsible for subdivision design, for the design of public improvements, and for surveys.
3. Description: Location of property by government lot, section, township, range, county, graphic scale, north arrow, and date.
a. Location of property lines, existing easements, burial grounds, railroad rights of way, and watercourses; location, width, and names of all existing or platted streets or other public ways within or immediately adjacent to the tract; names of neighboring property owners from the latest assessment rolls within three hundred feet (300') of any perimeter boundary of the subdivision.
b. Location, sizes, elevation, and slopes of existing sewers, water mains, culverts, irrigation works, and other underground structures within the tract and immediately adjacent thereto; existing permanent structures and utility poles on or immediately adjacent to the site and utility rights of way.
c. Approximate topography, at the same scale as the sketch plat.
d. The approximate location and widths of proposed streets.
e. Preliminary proposals for connection with existing water supply and sanitary sewage systems, or alternative means of providing water supply and sanitary waste treatment and disposal; preliminary provisions for collecting and discharging surface water drainage.
f. The approximate location, dimensions, and areas of all proposed lots and existing lots or parcels.
g. The approximate location, dimensions, and area of all lots proposed to be set aside for park or playground use or other public use, or for the use of property owners in the proposed subdivision.
h. Whenever the sketch plat covers only a part of an owner's contiguous holdings, the owner shall submit, at a scale of not more than two hundred feet (200') to an inch, a sketch in pen or pencil of the proposed subdivision area, together with its proposed street system, and an indication of the proposed future street system, and an indication of the probable future street and drainage system of the remaining portion of the tract.
i. A vicinity map showing streets and other general development of the surrounding area, the sketch plat shall show all school and improvement district lines and their designation. (Ord. 389, 6-14-2000)
A. Drawing Specifications: All mapped information shall be prepared in a neat and legible manner and drawn to a scale of not more than one hundred feet (100') to the inch. A smaller scale or different size may be used for large developments with prior written approval from the director. Limits of the drawing shall include an area not less than three hundred feet (300') beyond boundaries of the proposed development. All maps shall show:
1. The subdivision boundary that is based on an actual field survey including the stamp of the licensed professional land surveyor certifying and stamping the boundary survey of the plan. Boundary problems shall be resolved and nonbuildable remnant properties are prohibited. Certification and stamping of the plan by the professional land surveyor is intended to pertain only to the boundary survey.
2. The name of the owner.
3. The name of the person or firm responsible for the drawing.
4. The name of the proposed subdivision in accord with Idaho Code section 50-1307.
5. The date, graphic scale, true north arrow, vicinity map, section, township, and range.
6. Ties to all controlling corners.
7. The names of neighboring subdivisions as listed in the assessor's files.
8. The names of owners of neighboring properties as listed in the assessor's files, and the boundaries of all neighboring properties.
9. The name, location, width, direction of slope, centerline and right of way of all existing and proposed public streets and private roads.
10. The proposed off site improvements pertaining to streets, water supply, sanitary sewer systems, storm water systems, fire protection facilities, and proposed utilities.
11. The lot layout with lot and block numbers, lot dimensions, and lot area in square feet.
12. The minimum setbacks from the front, the side, and the rear property lines.
13. Areas of special use, e.g., parks and schools, shall be appropriately labeled.
B. Separation Of Information: The director may require separation of information to a separate drawing(s) to assist in delineation of specific information. (Ord. 389, 6-14-2000; amd. Ord. 426, 9-26-2001; amd. Ord. 490, 4-9-2003)
The final plat shall be prepared as provided by, and include the items required by, Idaho Code title 50, chapter 13 and related state law, and the following additional requirements:
A. The final plat drawing page(s) and signature page shall be drawn on eighteen inch by twenty seven inch (18" x 27") sheets. No information shall be any closer to the edge of any sheet than three and one-half inches (31/2") at the left edge and one-half inch (1/2") on all other edges. The letters, numbers, and notes shall be of such size and scale to clearly show on microfilm copies, reproducible copies, and prints of the recorded documents.
B. The drawing page(s) shall show exterior boundary and property lines, right of way lines, streets, street islands, existing and new easements, all accurately dimensioned with bearings to the nearest one second and distances to the nearest one-hundredth (1/100) of a foot. The dimensions shall provide a minimum lot and boundary survey closure of one to ten thousand (1:10,000). The drawing page(s) and owner's certificate shall show or contain all related curve data including radius, length, central angle, long chord, and long chord bearing.
C. Permanent monuments, magnetically detectable, marked with the license number of the surveyor, shall be set for all the following:
1. All lot corners and exterior boundary corners.
2. Street centerline angle points, point of curvatures (PCs), point of tangencies (PTs), intersecting street centerlines, and places where street centerline changes directions.
3. Street islands, radius points for cul-de-sacs, and lot controlling corners that control the location of the boundary.
D. In places that are impossible or impractical to set the monument, a witness corner or reference monument shall be set and dimensioned accordingly. Such monument shall be of the same size and marking required for the monument it is replacing. A witness corner monument shall be set on the lot line or property line. A reference monument shall be set with a bearing and distance tie to the actual corner.
E. All monuments found, existing or accepted and used in the survey shall be marked with the license number of the surveyor.
F. Digital format as may be required by the county surveyor.
G. The plat shall show:
1. Primary Control Points: At least two (2) primary control points, officially recognized by the county surveyor and ties to such control points. Primary control points must be public land survey corners or officially recognized corners. Corner perpetuation and filing recording instrument numbers shall be shown.
2. Approved Street Names: The county engineer shall approve all street names.
3. Easements: Location, dimensions, and purpose of any easements.
4. Monuments: Location, description, and size of monuments that are found.
5. Title, Subdivision Name, Description And Date: Title, including subdivision name in accord with Idaho Code section 50-1307, and general location description and date.
6. Owner's Certificate: Owner's certificate containing a statement of reservation of easements and private roads. Private roads may be shown as a lot or an easement.
7. Right Of Way Width: The right of way width from centerline of each street or other right of way.
8. Abutting Subdivisions: Name and location of abutting subdivisions. All other abutting properties shall be shown as "unplatted".
H. The following certificates and approvals shall appear on the final plat:
1. Owner's certificate.
2. Licensed land surveyor's certificate.
3. Ada County highway district (if applicable).
4. Central district health.
5. City engineer (if applicable).
6. City approval certificate (if applicable).
7. County surveyor's certificate.
8. Acceptance and approval of the board. (Ord. 389, 6-14-2000)
A. Preliminary Plat:
1. The design conforms to the standards established in article A of this chapter;
2. The design complies with the required improvements established in article B of this chapter;
3. If applicable, the proposed subdivision complies with the standards of an applicable overlay district as set forth in chapter 3 of this title;
4. The design conforms to the topography and natural landscape features and shows consideration for the location and function of land uses and structures to achieve this purpose;
5. The development would not cause undue damage, hazard, or nuisance to persons or property in the vicinity;
6. The internal street system is designed for the efficient and safe flow of vehicles, bicycles and pedestrians without having a disruptive influence upon the activities and functions contained within the proposed subdivision, nor placing an undue burden upon existing transportation and other public services in the surrounding area;
7. Community facilities such as parks, recreational, and dedicated open space areas are functionally related to all dwelling units and are easily accessible via pedestrian and/or bicycle pathways;
8. The proposal complies with the dimension standards set forth in this title for the applicable zoning district;
9. The overall plan is in conformance with the applicable comprehensive plan(s), future acquisition maps, area of city impact ordinances including applicable subdivision regulations, and other pertinent ordinances; and
10. In addition to the findings required above, the board shall make the following findings for preliminary plats located in a PC base district:
a. The preliminary plat is in conformance with the approved planned community implementation plan;
b. Urban public services and urban public facilities are adequately provided according to the standards set forth in chapter 8 of this title, including the transition plan, if any; and
c. Sufficient funds will be available to construct the urban public facilities and to provide urban public services.
B. Final Plat:
1. The final plat is in substantial conformance with the preliminary plat;
2. All conditions of the approved preliminary plat have been met; and
3. For a planned community, the area encompassed by the final plat, together with any previously approved plats, is a self- supporting unit.
C. Required Findings; Financing Verification Application:
1. Sufficient assets, funds and financing are secured for construction of urban public facilities to support the area encompassed by the preliminary plat, including, if applicable, that the planned community owner has paid or will pay pursuant to an approved transition plan, its proportionate share (based on a minimum density of 3 dwelling units per acre within the applicable response time area) of any unfunded capital improvement costs required to construct any required new municipal or district facilities; and
2. Sufficient assets, funds and financing are secured or are identified in the approved pro forma for operation and maintenance costs of urban public services (including capital renewal and replacement costs of necessary urban public facilities) to support the area encompassed by the preliminary plat, including, if applicable, that the planned community owner has received approval on a petition to prepay taxes per Idaho Code section 63-1602 as necessary to cover any temporary shortfall caused by the necessity for the applicable municipality or district to provide applicable urban public services at urban public service levels until tax revenue collection covers the cost of providing services including amortizing the prepayment. (Ord. 389, 6-14-2000; amd. Ord. 738, 2-23-2010; amd. Ord. 766, 12-8-2010)
An applicant or owner may petition the board for a total or partial vacation of a recorded subdivision plat, including easements. Vacation shall be processed in accord with the regulations set forth in Idaho Code section 50-1306A and recorded in accord with the regulations set forth in Idaho Code section 50-1324. (Ord. 389, 6-14-2000)
A. These standards shall be followed in all subdivisions regulated by this title. In addition to these standards, all subdivisions shall meet the design standards of the applicable zoning district.
B. Any proposed subdivision in areas of the county where topographical slopes are greater than fifteen percent (15%) or where adverse conditions associated with slope stability, erosion, or sedimentation are present, as determined by the county engineer, shall conform with the additional hillside regulations set forth in this title.
C. Adequate means for eliminating unsuitable conditions must be approved by the county engineer in order to develop property that has been designated in the applicable comprehensive plan, in the natural features analysis, or elsewhere, as being unsuitable for development because of flood threat, poorly drained areas, high groundwater, steep slopes, rock formation, buried pipelines, or other similar conditions likely to be encountered.
D. The limits of the subdivision shall encompass the full extent of the owner's lot or "contiguous parcels", as herein defined.
E. The decision making body may require modifications where, in its opinion, site planning has not sufficiently addressed the existing natural features. (Ord. 389, 6-14-2000; amd. Ord. 768, 1-12-2011)
A. The length, widths, and shapes of blocks shall be determined with due regard to:
1. Provision of adequate building sites suitable to the special needs of the type of use contemplated including the base district requirements as to property sizes and dimensions.
2. Avoiding double front lots. If unavoidable, one of the frontages shall be restricted from access.
3. Needs for convenient access, circulation, control, and safety of street traffic. The number of intersecting streets with arterials of all classes shall be held to a minimum.
4. The limitations and opportunities of topography.
B. Residential block lengths should be between four hundred feet (400') and six hundred feet (600').
C. Pedestrian access rights of way not less than ten feet (10') wide, may be required for walkways through or across a block when deemed desirable to provide circulation, or access to schools, playgrounds, shopping centers, transportation, and other community facilities. Said access right of way shall be a separate platted lot. (Ord. 389, 6-14-2000)
A. The property size, width, depth, shape, and orientation, and the minimum structure setback lines shall be appropriate for the location of the subdivision and for the type of development and use contemplated.
B. The minimum dimensional standards for all lots shall be in accord with the applicable base district. Corner lots in residential zoning districts shall be increased five percent (5%) above the minimum property size of the applicable base district to permit appropriate front and street side setbacks.
C. For a distance of fifty feet (50'), side property lines originating at the front of the lot shall be within twenty degrees (20°) of right angles or radial to the street providing access.
D. Through lots shall be avoided except to separate developments from arterial streets or to overcome topographic restrictions. A screening easement or common area lot having a minimum width of ten feet (10') shall be provided along the arterial streets. If unavoidable, one of the frontages shall be restricted from access.
E. Frontage for lots on a cul-de-sac turnaround shall be measured fifty feet (50') back from the front property line along an arc parallel to the right of way of the cul-de-sac. See section 8-1A-2, figure 11 of this title.
F. Frontage for lots on a knuckle shall be measured fifty feet (50') back from the front property line along the arc parallel to the right of way of the knuckle. See section 8-1A-2, figure 11 of this title. (Ord. 389, 6-14-2000; amd. Ord. 591, 7-27-2005)
A. All lots shall have access that complies with the regulations of section 8-4A-3 of this title. The arrangement, character, extent, and location of all streets shall conform to the comprehensive plan or portions thereof, and shall be considered in their relation to existing and planned streets, topographic conditions, and in their appropriate relation to the proposed uses of the property to be served by such streets. All required public street improvements and additional design standards are subject to the jurisdiction of the Ada County highway district.
B. Where a subdivision borders a railroad right of way or limited access highway right of way, a street approximately parallel to such right of way, at a distance suitable for appropriate use of the intervening property may be required.
C. Street layout shall be planned to facilitate future development of abutting areas and the entire neighborhood, and shall provide for adequate access to abutting lands. (Ord. 389, 6-14-2000)
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