Difference between revisions of "Streetlight Design Manual"
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Revision as of 17:51, 22 June 2015
General Purpose of the Design Manual:
This Streetlight Design Manual has been written to serve as a general guideline when designing a streetlighting system for the City of Overland Park, Kansas. Although there are specific design requirements, the guidelines contained herein should not be a substitute for proper engineering design and judgment based on specific project situations. The purpose of this Streetlight Design Manual is to aid consultants as well as City of Overland Park staff to be consistent in the practice of designing streetlighting plans. It provides an overview of what tasks are expected to be included in the scope of the design; what information should be included on the plan sheets; what kind of backup design information is required for proper analysis; and what is expected for the final deliverable product. Any questions regarding this manual may be directed to Bruce Wacker, P.E., Assistant City Traffic Engineer at the City of Overland Park, Kansas at (913) 895-6027 or by email at email@example.com.
Purpose of Streetlighting:
The principal purpose of lighting is to provide improved visibility for the street users so they can make quick, accurate and safe decisions. Street users include vehicle operators, bicycle and motorcycle operators and pedestrians. Light that falls on pedestrian walkways enhances pedestrian traffic, but the streetlighting criterion does not mandate specific lighting levels on sidewalks, bike paths or other pedestrian paths. The Planning and Development Services Department has separate criteria for the lighting of pedestrian facilities and should be consulted. This document does however, mandate specific lighting levels at the conflict points of pedestrians and vehicles, such as at intersection crossing points.
Reference to Other Documents:
Wherever applicable, this design manual should be used in conjunction with the American National Standard Practice for Roadway Lighting Illuminating Engineering Society of North America, RP-8-14, as herein modified and the National Electric Code by the National Fire Protection Association. The current editions of the City of Overland Park Streetlighting Resolution, Design and Construction Standards, Volume 1 Design Criteria (latest edition), Technical Streetlighting Construction Specifications, Standard Details and the Approved Materials List, hereafter referred to as “City Standards” should be followed during the design of any streetlighting project.
Public or Private Ownership, Operation and Maintenance:
Different policies apply to streetlighting systems based on the final ownership, operation and maintenance of the system. The two types of systems are 1) those that are installed in the public right-of-way that will be owned, operated and maintained by the City of Overland Park and 2) privately owned streetlighting systems that are installed in the public right-of-way that will not be owned, operated and maintained by the City of Overland Park. Although each of the systems will be discussed, the design guidelines contained herein only apply to systems that are within the public right-of-way that are owned, operated and maintained by the City of Overland Park.
City-Owned, Operated and Maintained Lighting Systems:
All City-owned, operated and maintained lighting systems shall be designed in accordance with the design criteria listed herein and use all pre-approved materials from the City’s Approved Materials List, which is available at City Hall or from the City’s web page http://www.opkansas.org/doing-business/civil-engineering/approved-materials-list/. All lighting systems that are being designed in conjunction with the development of any public street or any developments that require modification of any streetlighting system within the public right-of-way by private consultants working for a developer are required to meet City Standards if the City will assume all ownership, operation and maintenance responsibilities after final acceptance of the project.
Privately Owned, Operated and Maintained Lighting Systems:
All lighting systems within the public right-of-way that have been designated “privately owned” are not required to be constructed using City approved materials. However, the lighting system shall still be designed in accordance with the design criteria listed herein for average maintained light levels and uniformity ratios for the specific functional roadway classification and pedestrian conflict area classification and be constructed in accordance with the National Electric Code, current edition to ensure safe operation.
All proposals for privately owned, operated and maintained lighting systems shall be pre-approved by the Overland Park City Council prior to final plan approval and execution and recording of the City standard maintenance agreement with the Johnson County Records and Tax Administration. If at any time, the homes association or other political subdivision requests the City to assume ownership of the lighting system, the streetlighting maintenance agreement establishes specific items that would need to be addressed before the request would be considered. One requirement is that the current streetlighting system would be have to be replaced with equipment meeting the current City Standards at the sole cost of the current owner.
Privately owned streetlighting systems shall not be permitted to connect to any City-owned streetlighting system, whether it is poles, control centers, cable, junction boxes, etc. unless otherwise stipulated in the maintenance agreement.