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Chapter 17.24
IMPROVEMENTSSections:
17.24.010 Generally.
17.24.020 Approval of engineer.
17.24.030 Work schedule.
17.24.040 Inspections.
17.24.050 Maps.
17.24.060 Underground utilities.
17.24.070 Bridges, culverts and trestles.
17.24.080 Capacity and dimension.
17.24.090 Clearing and grubbing.
17.24.100 Grading and surfacing.
17.24.110 Monuments.
17.24.120 Paved streets, curbs and sidewalks.
17.24.130 Central water and sewer systems.
17.24.140 Sewage disposal.
17.24.150 Water distribution.
17.24.160 Special improvements.
17.24.170 Installation or agreement before approval.
17.24.180 Agreement—Contents.
17.24.190 Agreement—Bond or security—Required.
17.24.200 Agreement—Bond or security—Release.
17.24.210 Agreement—Failure to comply.
17.24.010 Generally.
Every improvement installed by the subdivider, whether required or not, shall conform to the provisions of this title and of other improvement standards, specifications, inspections and procedures set forth and administered by the county as may apply, and shall be installed according to the procedures specified by this chapter. (Prior code § 16.20.010)
17.24.020 Approval of engineer.
A. Upon receipt of a preliminary plat and improvement plans as required by DCC Section 17.16.050 from the planning department, the engineer shall review the same and inform the subdivider of any error, omissions or corrections required to be made to the data supplied.
B. Upon finding that the data is sufficient and that all requirements of the engineer have been satisfied, the engineer shall then certify his approval of the preliminary plat to the applicant and to the planning office in accordance with DCC Section 17.16.090(B). (Prior code § 16.20.020)
17.24.030 Work schedule.
No improvement work shall be undertaken until the preliminary plat has been approved by the hearing examiner and the improvement plans have been checked for adequacy and approved by the engineer. The engineer shall be notified before any improvement work is begun, and if work on such improvement is discontinued for any reason, such work shall not resume until the engineer has been notified thereof. (Res. CE 93-034 (part); prior code § 16.20.030)
17.24.040 Inspections.
Improvements shall be constructed under the inspection of and to the satisfaction of the engineer, who may require changes in typical sections and details if unusual conditions arise during construction to warrant changes in the public interest. (Ord. TLS 04-02-30B Exh. A (part): prior code § 16.20.040)
17.24.050 Maps.
The subdivider, upon completion of improvements, shall file with the engineer maps which shall show all improvements as built. (Prior code § 16.20.060)
17.24.060 Underground utilities.
A. All underground utilities, sanitary sewers and storm drains installed in the streets by the subdivider shall be constructed prior to surfacing of the streets.
B. Stubs for service connections to all underground utilities and sanitary sewers shall be placed to each property. (Prior code § 16.20.050)
17.24.070 Bridges, culverts and trestles.
All bridges, culverts or trestles, over waterways, draws or gulches, shall conform to the engineer’s specifications for such structures. Where streets or roads of the subdivision connect to or intersect with existing roadways, there shall be installed drains of metal or concrete pipe approved by the engineer. (Prior code § 16.20.100)
17.24.080 Capacity and dimension.
A. The capacity and dimension of all improvements shall be such as to adequately provide for the future needs of undeveloped properties in the general vicinity.
B. The county may share in the cost of such improvements to the extent of the difference in cost between the capacities required by this section and those required to serve the subdivision. (Prior code § 16.20.110)
17.24.090 Clearing and grubbing.
A. All standing timber, brush, downed timber and snags shall be cleared and removed from the right-of-way of any street, except that the engineer may allow or require at the time of preliminary plat approval that certain plant materials be not removed from the boulevard area of particular streets.
B. All large rocks, roots, snags, logs, brush, etc., upon the surface of the ground of such right-of-way shall be removed and all excavations and holes left by such grubbing shall be refilled. (Prior code § 16.20.120)
17.24.100 Grading and surfacing.
All streets and alleys shall be graded and surfaced curb-to-curb or to roadbed width specified in DCC Chapter 17.20, and shall be crowned and surfaced to a depth in compliance with standards of the engineer. If not paved with asphalt or concrete, all streets shall be oiled to control dust as required by the engineer. (Prior code § 16.20.130)
17.24.110 Monuments.
A. Every lot corner shall be marked by a three-quarter-inch galvanized iron pipe twenty-four inches long or an approved equivalent acceptable to the engineer.
B. Every permanent control monument shall be of such design as to meet the requirements of the engineer as to each particular monument location. (Prior code § 16.20.140)
17.24.120 Paved streets, curbs and sidewalks.
Within the boundaries of the federally designated East Wenatchee urban area, as depicted on the maps of the Washington State Department of Transportation, as such exist on October 1, 1982, all future residential subdivisions will be required to have asphaltic concrete paved streets and concrete curbs, gutters and sidewalks. Any exception to these requirements will be made by the board, upon recommendation of the hearing examiner, after considering the topography of the land, the nature of the existing and future improvements in adjacent territory, and the location of the subdivision with respect to arterial streets, schools, playgrounds, shopping centers, and other similar uses. Subdivisions outside of this urban area may be required to have these features, after consideration by the hearing examiner and the board, and based upon the criteria detailed in this section. (Res. CE 93-034 (part); Ord. dated 9/27/82: prior code § 16.20.150)
17.24.130 Central water and sewer systems.
Every subdivision activity, regardless of location, shall be provided with central domestic water supply and a central domestic sewage treatment facility if within one thousand feet of a central sewage treatment plant. (Prior code § 16.20.160)
17.24.140 Sewage disposal.
A. The method and extent of sewage disposal within the proposed subdivision shall meet the requirements and standards of the Chelan-Douglas Health District.
B. The board may require connection to an established sewage treatment facility upon recommendation of the hearing examiner if the proposed subdivision is contiguous to an incorporated town or city, within an established sewer district or when such a facility is within reasonable distance of the subdivision. (Res. CE 93-034 (part); prior code § 16.20.170)
17.24.150 Water distribution.
Every subdivision shall be served by community, public or private water supply system approved and installed to meet the requirements and standards of the Chelan-Douglas Health District. (Prior code § 16.20.180)
17.24.160 Special improvements.
There shall be constructed any improvement necessary to provide adequately for any special condition such as a fill section requiring placement of guardrails, or ditches and requiring plantings such as trees, groundcover, sodding and/or seeding. (Prior code § 16.20.190)
17.24.170 Installation or agreement before approval.
Prior to approval of the final plat, the subdivider shall install all required improvements and repair any damage to existing streets or other facilities occasioned by development of the subdivision, or execute and file an agreement to so do between himself and the county. (Prior code § 16.20.200)
17.24.180 Agreement—Contents.
A. An agreement as described in Section 17.24.170 shall:
1. Specify a period within which such work will be completed and all monuments and lot corner markers shall be set to the satisfaction of the engineer;
2. Provide for inspection by the county of all improvements.
B. Such agreement may provide:
1. For construction of improvements in units;
2. For extension of time under conditions specified therein;
3. For termination of the agreement upon completion of construction of improvements deemed by the engineer and planning director to amount to the equivalent of improvements specified in such agreement and required to be constructed by this chapter;
4. For progress payments to the subdivider for any deposit money which the subdivider may have deposited in lieu of a security bond; provided, that no such payments shall be made for more than ninety percent of the value of any installation; and further provided, that each installation shall be completed to the satisfaction of the engineer and planning director. (Prior code § 16.20.210)
17.24.190 Agreement—Bond or security—Required.
A. The subdivider shall file with any such improvement agreement a performance bond in such amount as the engineer deems sufficient to cover the estimated costs of the improvements and markers, or in lieu thereof shall deposit with the auditor cash bonds, savings deposit books, certificates of deposit, or any other security acceptable to the prosecuting attorney for such amount.
B. The bond shall be executed by a security company authorized to transact a security business in the state and shall be approved as to form by the prosecuting attorney. (Prior code § 16.20.220)
17.24.200 Agreement—Bond or security—Release.
No progress payments from such deposit or release of such bond or deposit shall be made except upon certification by the engineer and planning director that work covered thereby has been satisfactorily completed and approval by the board thereof has been granted. (Prior code § 16.20.230)
17.24.210 Agreement—Failure to comply.
A. If the subdivider fails to complete such work within the period specified by the agreement, the county may complete the work and recover the full costs and expenses thereof from the subdivider or his security and surety.
B. If the county incurs any expense in completing such work, it shall call upon the security for reimbursement therefor or appropriate such reimbursement from any cash deposit. If the amount of security bond or cash deposit exceeds such expense, the county shall release the remainder of the security bond or cash deposit; if the amount thereof is less than such expense, the subdivider shall be liable to the county for such difference. (Prior code § 16.20.240)