Side slopes shall be stabilized by grass sod or seeding, or by other planting or surfacing material acceptable to the county engineer.
(Ord. 1194 Exh. B, 2007)
(1) 
Refer to Standard Detail 7-1 at the end of this chapter for Recommended Survey Monument Standard and Standard Detail 7-2 for Monument Case Installation.
(a) 
All existing survey control monuments that are disturbed, lost, or destroyed during surveying or construction shall be referenced prior to construction and replaced or raised after construction by a professional land surveyor (PLS) licensed in the state of Washington.
(b) 
Permanent control monuments shall be established per LCC § 16.05.250.
(c) 
Plat Surveys. Permanent control monuments shall be established at all angle points of the boundaries of a subdivision, the intersections of the centerline of all roads within the subdivision, and the beginnings and ends of all curves on centerline. A signed and sealed statement from a registered land surveyor that all monuments have been set and lot corners staked as shown on the plat shall be required prior to final plat approval.
(d) 
Road Surveys.
(i) 
Survey monuments shall be placed in county roads at:
(A) 
Points of curvature (PC).
(B) 
Points of tangency (PT).
(C) 
Intersections.
(D) 
Centers of cul-de-sacs.
(E) 
As needed for inter-visibility.
(F) 
As required by the county.
(ii) 
Monuments at the PC and PT of the curve may be eliminated and replaced with a monument at the point of intersection, if the point of intersection falls within the paved roadway surface.
(e) 
Records. A legal survey conforming to Chapter 58.09 RCW (Survey Recording Act) shall be filed with the county auditor and the county engineer showing methods used to establish the monument's position with references tying the monument's location. Formal recorded documents containing the registered surveyor's certification, monumentation, and staking shall be filed by the land surveyor in accordance with the certificate and the Survey Recording Act.
(Ord. 1194 Exh. B, 2007)
(1) 
Mailboxes shall be set in accordance with the LAG Manual, and as follows:
(a) 
U.S. Postal Service approval of location, type and design shall be required. Any details provided by the U.S. Postal Service must be included in the plan set.
(b) 
Mailbox supports shall be of breakaway design.
(c) 
Mailbox clusters shall conform to WSDOT Standard Plan H-12.
(Ord. 1194 Exh. B, 2007)
(1) 
All landscaping within county right-of-way shall require approval of the county engineer.
(2) 
Landscaping shall be of the type and placement to achieve and maintain the sight distance requirements in LCC § 12.60.260.
(3) 
No landscaping shall be allowed within a drainage ditch or drainage swales.
(Ord. 1194 Exh. B, 2007)
(1) 
All requests for street lighting shall be submitted in writing to the county engineer. The applicant or engineer shall submit a letter to the department of public works certifying that the design is in conformance with the "American National Standard Practice for Roadway Lighting" developed by the Illuminating Engineering Society and approved by the American National Standards Institute. Written acceptance of illumination designs and locations by the department of public works shall be required prior to installation.
(2) 
The public works director shall base his determinations of illumination installation or maintenance acceptance upon engineering and traffic safety considerations provided by the county engineer and traffic engineer, subject to the availability of funds and priorities set forth in the Six-Year Transportation Improvement Plan, Annual Construction Program, and adopted road fund budget.
(3) 
Lewis County may allow installation of roadway lighting that meets the above criteria if the party wanting it agrees to pay for it pursuant to RCW 36.82.110.
(4) 
Refer to the current Lewis County roadway illumination policy, on file with the department of public works.
(Ord. 1194 Exh. B, 2007)
Temporary and permanent barricades shall conform to the standards described in the latest version of the Manual on Uniform Traffic Control Devices (MUTCD).
(Ord. 1194 Exh. B, 2007)
(1) 
When necessary to deny motor vehicle access to an easement, tract, or trail, except for maintenance or emergency vehicles, the point of access shall be closed by a line of bollards.
(2) 
No emergency access roads shall be blocked in this manner without the approval of the county fire marshal or local fire district chief.
(Ord. 1194 Exh. B, 2007)
For purposes of design and location, all guardrails along roadways shall conform to WSDOT standard plans, WSDOT Design Manual, and LAG Manual.
(Ord. 1194 Exh. B, 2007)
(1) 
County Road Name Signs. The department of public works shall furnish, install, and maintain the necessary signs. Road name signs shall be installed in accordance with MUTCD standards.
(2) 
Private Road Signs. Private road name signs shall be installed by the county where they intersect county roads. The applicant is responsible for the initial cost of the sign; however, the county will maintain and replace private road signs.
(3) 
Any sign constructed in county right-of-way in nonconformance with these standards shall be removed by the county.
(Ord. 1194 Exh. B, 2007)
Retaining walls within a public right-of-way are reviewed by the county engineer. Retaining walls shall be designed, signed, and stamped by a registered engineer licensed in the state of Washington, and shall be submitted by the applicant for approval by the county engineer and building official. A soils investigation and report by a geotechnical engineer may be required by the county if soil conditions are questionable.
(Ord. 1194 Exh. B, 2007)