Parking lot pervious landscape island design



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Proper design, installation, and maintenance are critical to their effectiveness. The pavement choices are typically grouped into three categories: rigid, flexible, and unit pavements. Rigid pavements are surfaces made up of poured slabs of Portland cement and remain rigid or fixed when placed under stress. Rigid pavement requires less base material and has a longer life span than flexible pavements. Concrete is one of the most widely used pavements in construction today. For the designer, concrete is very versatile because it can be integrally colored, stained, stamped, and formed into intricate shapes and patterns.

Content:
  • Permeable Paving
  • Swope Campus Parking Lot and Entry Plaza
  • Green Parking Lots
  • Permeable Pavement Explained
  • Tacoma Community College
  • 9.17.050 Parking and drive-through landscape areas.
  • Ecological Hardscape Choices for Today’s Landscapes
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WATCH RELATED VIDEO: Sauders Hardscape Permeable Paver Installation

Permeable Paving

Landscaping in parking and drive-through areas shall be designed to provide safety and comfort for both drivers and pedestrians, to provide shade, reduce heat-gain, reduce air pollutant emissions, promote areas for water retention and evapotranspiration, allow runoff from impervious surfaces, and to enhance the visual quality of the project and the city.

The design shall reduce auto noise, light and glare, and ambient temperatures through the use of canopy trees. The following standards apply:. Design Considerations.

If walls are employed, they must be aesthetically compatible with the project design. Landscape areas in the parking lot shall be designed to minimize the potential for pedestrians to cross any landscape areas to reach building entrances and to access parked cars. Walkways shall be provided to facilitate pedestrian access, especially at corner locations. Curb cut openings must be provided to permit parking lot drainage to enter landscape areas for retention and water quality.

Wheel stops shall not be permitted unless approved by the community development director. Turf is not permitted in parking lot planters. Landscape finger planters shall have a minimum interior dimension of five feet by sixteen 16 feet, exclusive of curbs, step-outs and other hard surfaces.

A finger planter with parking on one side has a minimum curb-face-to-curb-face dimension of seven feet. An island with parking on both sides has a minimum curb-face-to-curb-face dimension of eight feet.

Diamond planters have a minimum of twenty-five 25 square foot interior area exclusive of perimeter curbing with minimum interior dimensions of five feet by five feet. The minimum exterior area including perimeter curbing is thirty-six 36 square feet. End islands, or finger planters are provided at the end of each aisle of parking to define parking lot circulation, provide sight distance at the intersection of drive aisles and places for trees.

Where double rows of parking are provided, diamond or island planters are provided at an interval of one planter every three pairs of parking stalls.

Minor adjustments are allowed in cases where this exact interval would be infeasible. A finger planter is provided at an interval of every twelve 12 parking stalls along any row of parking. The perimeter of the parking lot has a planter with a minimum width of five feet, interior dimension, exclusive of footings, curbs and step-outs.

Planter Curbs and Step-Outs. Planters shall be separated from parking spaces by a six-inch wide concrete curb. Where a planter finger or island is located on the side of a parking space, a twelve 12 inch wide concrete step-out is required along the long dimension of the parking space. A step-out is required, in addition to a six-inch curb, resulting in a combined concrete surface measuring eighteen 18 inches in width. Trees—Number, Location, and Type. Trees may be planted in clusters along the street frontage and side and rear setbacks, if applicable.

Parking lot trees shall be planted to align with the ends of parking lot stripes between cars and away from light standards, in order to create adequate shade canopies, and avoid damage to tree trunks. The selection of parking lot trees should emphasize the provision of summer shading of pavement and vehicles. Within a maximum of ten 10 years, parking lot trees shall shade a minimum of fifty 50 percent of parking space pavement during the summer months, between one and four in the afternoon.

A maximum of fifty 50 percent of the parking lot trees may be deciduous unless otherwise approved by the community development department. The selection of parking lot trees shall avoid trees with excessive litter, sap or fruit that could damage vehicles. The following standards apply: A.


Swope Campus Parking Lot and Entry Plaza

Tacoma Community College needed a permeable paver parking lot to address stormwater treatment but still handle stalls for cars. During and after rainfall events, water would pond in low areas of the site, causing inconvenience to students and staff. The permeable paver parking lot is located in the Leach Creek watershed. Private and primarily public stormwater conveyance systems located in Tacoma and Fircrest collect and convey stormwater runoff largely undetained and untreated from the watershed, with ultimate discharge to the Leach Creek Holding Basin in the City of Fircrest. Restricted release from this system is directly to Leach Creek itself. The City of Tacoma takes an appropriate aggressive stance with respect to protecting the integrity of the Leach Creek environment. The goal was to infiltrate retain as much runoff as possible and address treatment of stormwater.

Parking lot landscaping shall be consistent with the species type and installation requirements in Section C. Interior Islands. 1. A landscaped.

Green Parking Lots

American Legal Publishing Corporation provides these documents for informational purposes only. These documents should not be relied upon as the definitive authority for local legislation. Additionally, the formatting and pagination of the posted documents varies from the formatting and pagination of the official copy. The official printed copy of a Code of Ordinances should be consulted prior to any action being taken. For further information regarding the official version of any of this Code of Ordinances or other documents posted on this site, please contact the Municipality directly or contact American Legal Publishing toll-free atSearch Login. Select Language. Please note that the English language version is the official version of the code. American Legal Publishing and the jurisdiction whose laws are being translated do not vouch for the accuracy of any translated versions of such laws.

Permeable Pavement Explained

Permeable pavement has been a trend in landscaping for a while. Interlocking bricks and stones that provide a path without flooding a garden are beneficial for both design purposes and for lawn maintenance. Permeable pavement, however, has begun to see increased popularity in other industries as well. Roadways, sidewalk and parking lot construction is seeing more and more requests with permeable pavement. Permeable pavement refers to using a porous type of concrete, asphalt, paving stones or a form of interlocking pavers such as bricks to create a permeable surface.

Roadways and parking lots typically comprise about 70 percent of developed impervious surfaces. They provide multiple opportunities to incorporate Low Impact Development LID practices that disconnect impervious surfaces and reduce, filter and infiltrate runoff while still providing adequate access and parking.

Tacoma Community College

Building Design Assistance. Parking Lot Design Assistance. Paving Project Assistance. Concrete Answers Hub Site. Decorative Architectural Concrete.

9.17.050 Parking and drive-through landscape areas.

Unlike the landscape regulations applicable to other parts of the City, the Pilchuck District has no requirements for buffering between adjacent land uses and developments, except to screen specific facilities such as utility and service areas and parking lots. Adjacent buildings and land uses within the Pilchuck District are intended to be visually and functionally compatible to create continuity rather than segregation along streets. The landscaping requirements in this chapter are intended, instead, to visually soften and punctuate the build environment, to provide shade, and to create comfortable places to live, work, shop, and recreate by incorporating built and natural forms. Areas in excess of the impervious surface limits shown in Tables V-1 through V-4 shall be landscaped. This shall represent the minimum percentage of site area in landscaping and additional area may be required to meet other regulations or conditions of approval for a development proposal.

15 parking spaces is the maximum number that can occur before a landscaped island is proposed (see graphic - A). 4. The total tree count shall be no less than.

Ecological Hardscape Choices for Today’s Landscapes

Permeable paving surfaces are made of either a porous material that enables stormwater to flow through it or nonporous blocks spaced so that water can flow between the gaps. Permeable paving can also include a variety of surfacing techniques for roads, parking lots, and pedestrian walkways. Permeable pavement surfaces may be composed of; pervious concrete , porous asphalt, paving stones , or interlocking pavers.

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RELATED VIDEO: Designing Parking Lots

Section 2. Purpose, Intent, and Definitions. The purpose of this ordinance is to provide for the orderly and aesthetic development of the City and to promote the health, safety and general welfare of the community. It is the intent of this ordinance to achieve the following:. Definitions I.

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Porous pavement, also known as permeable or pervious pavement, is a stormwater management system that allows water to move through void spaces within the pavement and eventually infiltrate into underlying soils. In most cases, porous pavement can substitute for conventional, impervious pavements—used by pedestrians and vehicles alike—without the need for any additional stormwater management feature such as a detention basin or rain garden. These systems reduce runoff volumes otherwise produced by impervious surfaces such as parking lots, roads, and sidewalks. Three primary variations of porous pavement surfaces provide a range of aesthetic options:. When properly installed and maintained, these pavements can function for decades—with most outlasting their impervious counterparts in durability PSAT , Hicks and Lundy

Green parking lots incorporate permeable or semi-permeable paving and porous design techniques to reduce stormwater runoff volume. In addition to permeable pavement, they often reduce or eliminate curbing and include extensive landscaping which treats runoff and improves the appearance of the parking lot while also improving water quality by filtering and removing pollutants from stormwater. In addition to engineered design solutions, green parking lots may also incorporate local codes designed to minimize the land area devoted to parking. Green parking lots provide on-site stormwater management by allowing infiltration of run-off into the ground during storm events, thus greatly reducing runoff volume and rate.


Watch the video: Permeable Paver Parking Area Installed By Wihebrink Landscape Management, Inc. Warsaw, IN


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