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Right-Of-Way Design Manual City of Tacoma Right-of-Way Design Manual DRAFT October 2015 Prepared by City of Tacoma City of Tacoma, Right-of-Way Design Manual Issued: January 7, 2016 DEFINITIONS Billable Work Order – funding to be provided by a Permittee for Work for which a Permit is required under Tacoma Municipal Code 10.22.080 to cover the City’s actual costs, including, but not limited to, design review and approval, administration, and inspection of the privately designed plans for the construction of City-owned infrastructure in the public Right-of-Way. Record Drawings – drawings based upon as-built conditions of all construction items. City Engineer – the City of Tacoma City Engineer or their duly authorized representative. The City Engineer ensures all City projects comply with engineering standards. Common Utility Trench – also known as a joint utility trench is a single trench where multiple utilities are installed. DRAFTContractor – a contractor licensed and bonded in the City of Tacoma. Cul-de-sac – a residential street characterized by a single ingress and egress. Curb Ramp – an acceptable access ramp for the transition from the sidewalk to the street surface conforming to the current Americans with Disability Act (ADA) standards. Development Conditions – the requirements for development of a site set forth by the City of Tacoma. Easement – legal right to use a described piece of land for a particular purpose. It does not include fee ownership, but may restrict the owner’s use of the land. Erosion – the wearing away of the land surface by running water, wind, ice, or other geological agents, including such processes as gravitational creep. Also, detachment and movement of soil or rock fragments by water, wind, ice, or gravity. Excavation – the mechanical removal of earth material. Frontage Improvements – includes, but not limited to, the construction of street, sidewalk, curb and gutter, landscaping, street trees, and wastewater or stormwater facilities on all adjacent City of Tacoma right-of-way. Fill – a deposit of earth material placed by artificial means. Grading – any excavating or filling or combination thereof. Green Stormwater Infrastructure - A set of distributed stormwater best management practices that seek to mimic natural systems and deliver multiple community benefits in addition to stormwater management. Green stormwater infrastructure can be used at a wide range of landscape scales in place of more traditional stormwater control elements to support the principles of Low Impact Development. Improvement – Streets (with or without curbs or gutters), sidewalks, crosswalks, parking lots, water mains, wastewater and storm sewers, stormwater facilities, street trees and other appropriate items. Land Use Action – action taken by the City of Tacoma when a variance, special use permit, rezone, plat, etc. is requested by the applicant typically resulting in a set of conditions for approval. Land Use Administrator – the City of Tacoma Land Use Administrator or their duly authorized representative. City of Tacoma, Right-of-Way Design Manual Issued: January 7, 2016 i Low Impact Development (LID) – a stormwater and land use management strategy that strives to mimic predisturbance hydrologic processes of infiltration, filtration, storage, evaporation and transpiration by emphasizing conservation, use of onsite natural features, site planning, and distributed stormwater management practices that are integrated into a project design. Performance Bond – a surety instrument in which the faithful performance of a contractor is guaranteed up to the face value of the bond. Permit – a document issued by Planning and Development Services Division allowing construction as identified by said document in accordance with all applicable approved drawings and specifications. Planting Strip – that portion of the street section between the sidewalk and the concrete curb and gutter. The dimension of the planter strip is defined from the face of curb to the front DRAFTof walk. Private Accessway – any access serving two or more lots located in a private easement, which is owned and maintained by a private owner, group of private owners or neighborhood association. Project – the proposed action to construct improvements. Deficiency List – a list developed at the time of substantial completion that itemizes all remaining work tasks that must be performed before a project reaches final acceptance. Right-of-way – land reserved and secured to the public for the purpose of public improvements to the City of Tacoma infrastructure. Wastewater Sewer, Public – those portions of the Municipal Sewer System which are designated by the Director to carry, treat, or dispose of wastewater not constituting storm or surface water permitted by or under Tacoma Municipal Code 12.08 to enter the Municipal Sewer System. Wastewater sewers are also referred to and have the same definition as sanitary sewers. Side Sewer, private – the sewage conveyance pipe owned by the property owner that extends from approximately two feet outside of a building or structure to the connection point at the public sanitary sewer main. In most circumstances, a portion of the private side sewer extends into public streets or alleys connecting to the public sewer main. Street – an arterial or residential street located in public right-of-way owned and maintained by the City of Tacoma. Streetlighting – illumination of the traveled way designed and constructed in accordance with current Illuminating Engineering Society of North America (IES) standards. Surveyor – a professional land surveyor, licensed in the State of Washington. City of Tacoma, Right-of-Way Design Manual Issued: January 7, 2016 ii ABBREVIATIONS / ACRONYMS AASHTO American Association of State Highway and Transportation Officials ADA Americans with Disabilities Act ADAAG Americans with Disabilities Act Accessibility Guidelines ANSI American National Standards Institute APWA Washington State Chapter of the American Public Works Association CAD Computer Aided Drafting City City of Tacoma CPTED Crime Prevention through Environmental Design CSTC Crushed Surfacing Top Course CSBC Crushed Surfacing Base Course EIS Environmental Impact Statement DRAFTFHWA Federal Highway Administration GIS Geographic Information Systems GSI Green Stormwater Infrastructure HDPE High Density Polyethylene HMA Hot Mix Asphalt IBC International Building Code IFC International Fire Code IES Illuminating Engineering Society ITE Institute of Transportation Engineers LID Local Improvement District LID Low Impact Development Manual City of Tacoma Right-of-Way Design Manual MoMaP Mobility Master Plan MUTCD Manual on Uniform Traffic Control Devices PE Professional Engineer PLS Professional Land Surveyor PVC Polyvinyl Chloride NAD North American Datum NGVD National Geodetic Vertical Datum PROWAG Public Rights-of-Way Guidelines RCW Revised Code of Washington ROW Right-of-way SEPA State Environmental Policy Act Side Sewer Manual City of Tacoma Side Sewer and Sanitary Sewer Availability Manual SWMM Stormwater Management Manual SWPPP Stormwater Pollution Prevention Plan TMC Tacoma Municipal Code TPU Tacoma Public Utilities TRB Transportation Research Board UFM Urban Forest Manual WAC Washington Administrative Code WSDOT Washington State Department of Transportation City of Tacoma, Right-of-Way Design Manual Issued: January 7, 2016 iii CHAPTER 1 INTRODUCTION AND GENERAL 1 REQUIREMENTS INTRODUCTION ..................................................................................... 1-2 SECTION 1 Plans, References, and Specifications ........................ 1-2 1.1 References ...............................................................................................................1-2 1.2 Standard Specifications ............................................................................................1-2 DRAFT1.3 Standard Plans .........................................................................................................1-3 1.4 Project Plans ............................................................................................................1-3 City of Tacoma, Right-of-Way Design Manual Issued: January 7, 2016 Chapter 1 1-1 i INTRODUCTION The City of Tacoma (City) Right-of-Way Design Manual (Manual) shall apply to the construction of all street and right-of-way (ROW) improvements including stormwater and wastewater construction, streetlighting, traffic signalization, landscaping, ADA requirements, and channelization. The Manual provides the minimum technical standards required to construct improvements within the City ROW. This Manual is designed to be used in conjunction with other local, state, and federal rules, regulations, and design guidance as applicable to a given project. See Appendix G for a list of the most commonly referenced additional documents that will be necessary for design within the ROW. Tacoma Municipal Code Section 10.22 provides the authority to require that this Manual be required for certain projects. DRAFTThe City has developed this Manual to outline design criteria for City-owned streets and utilities as well as private access ways. The minimum technical standards described in this Manual help ensure public infrastructure that is effective, efficient, economical, and sustainable. City staff, private developers, and any other entity proposing construction within the public ROW or proposing construction of City-owned facilities shall use this Manual. Deviations from the standards within this Manual shall be based upon sound engineering
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