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The Good, the Bad and the Non-existent Bike Rack

As more cities and towns are trying to figure out how to deal with traffic problems and to reduce air pollution, many of these places are looking to increase biking as a possible answer those issues. Typically this entails adding or enhancing bike lanes of various types. However, it seems there is one critical bicycling infrastructure item that often gets overlooked or ignored: bike racks and bike parking. If bike parking is not easy to use and readily available, that is one more item a bike rider might add to their list of reasons not to ride their bike to run errands or commute to work.

The best bike rack is one if the simplest: the inverted U bike rack. This plain design looks just like the name implies, an inverted U shaped metal pipe that can be attached to the ground plane via welding to metal plates that are then screwed to the ground. Another installation option is setting the ends of the pipe in sub-grade concrete footers.

A good, basic inverted U bike rack.

Why is this modern classic the best bike rack design for bike users? It provides two stable points of contact to lean their bike; the bike frame can be placed close to the pipe for easy locking and securing (proximity is crucial when using a U-lock bike lock); and you can easily lock two average size/shaped bikes (one on each side) to one U bike rack. 

The advantages for a property owner or a municipality who might install a rack is the basic inverted U bike rack is relatively inexpensive, and, unlike consolidated racks (multiple slots for several bikes all connected to one frame) you can install just one, or several racks. Additionally, the inverted U rack is a minimal site furnishing element that can be easily tailored to various building architectural styles.

Another good bike rack: a customized rack that is similar (in function) to an inverted U rack.

Variations on the U-rack abound. Usually they work as well as the basic U, but if too many extra pieces are added to it, such as logos or other parts, this can impact the ease of use of the rack, frustrating the users.

Some of the worst bike rack designs are ones where the bike owner can only secure and lock their bike wheel, and the frame of the bike does not get close to the part of the rack where a user can attach a U-lock. This can put torque or force on the wheel which could bend it. It is also not as secure as getting the frame of the bike as close to the rack for locking. Fortunately this design seems to be old and falling out of favor.

A perfect example of a bad back rack. It is difficult to get the bike frame close enough to use a U-lock, unless you lift the bike over the top bar which this bike owner had to do.

Another bad bike rack design is any type for which the bike owner must lift their bike to attach to the rack. Considering some bike users may be a child or an elderly person who may not have the strength to lift the bike up, this kind of rack is not a good option.

And the only thing worse than a frustrating or mediocre bike rack is a non-existent bike rack. Such a situation may lead to the bike owner locking their bike in unwanted areas such as against the trunk of a young street tree, or in a location that might impede pedestrian traffic. Or, it could possibly lead to the bike owner leaving the premises, and going to a different business where there are proper bike racks. If you are a property owner who is considering what site elements and furnishings to include around your property to foster a healthy customer base, I highly recommend that you include bike racks and if possible, make them some form of the inverted U bike rack. Your bike riding customers will be grateful.

This is the official blog of Outdoor Design Group, Colorado Landscape Architects.  For more information about our business and our services, click here.

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Project Highlight: Multi-family Community Pool Area Renovations

As the Denver metro area continues to grow in population and our real estate market experiences growing pains, many existing multi-family housing properties have become golden opportunities for renovation and renewal. Here at Outdoor Design Group, we have recently been contracted by several clients to not only bring a fresh look to these common area landscapes, but to incorporate various outdoor amenities and create an extension of usable outdoor living space.

A couple of notable landscape renovations we have been fortunate enough to design were two properties owned by a California real estate company. They appointed us to help redesign the landscape to compliment their building renovations, giving each outdated property a much needed face lift.

The first property, located in Federal Heights, Colorado, is a large complex comprising of several units and a separate leasing and fitness center building. The leasing and fitness center was to be completely remodeled, and the entrance reconfigured. Our landscape design incorporates hardscaping like retaining walls and unique paving surfaces that compliment the updated architecture, and guide users toward the new entrance. Additionally, the numerous low-water plant species were selected and placed throughout the beds to create interest with their distinctive structural forms and colorful habits, which molded with the new modern style the client was striving toward.

 

A 3D rendering of the modern style entrance landscape helped our client to better visualize the space.

 

Attached to the East side of the leasing and fitness center is the community pool area, which was also overdue for a fresh look. In our design, the existing pool was to remain as is, but the surrounding pool deck was modified to be larger with a sleek, colored pool deck coating. A striking modern style gas fireplace was incorporated at the west end and amenities like shade structures, grilling stations, LED landscape lighting and picnic tables provide the finishing touches on the new design.

 

Original concept design.

 

Digital rendering of the final design.

 

The second multi-family property Outdoor Design Group provided landscape design services for is located in Lakewood, Colorado. Its existing pool area was drab and outdated with no extra amenities. Our design integrated a large turf area for games, outdoor kitchen with a pergola, and a gas fire pit, all alongside a brand new decked out pool house designed by a Phoenix based architecture firm. The large bi-fold doors were designed to fully open toward the pool, and create effortless indoor/outdoor living. We welcomed the opportunity to design a space that allowed us to really visualize and get excited about how the space would be used. Additionally, the low-water use plantings surrounding the pool were chosen to provide year-round interest as well as screening from the nearby road.

 

Concept design.

 

Construction on these projects is currently underway, and we can’t wait to see the final results! Multi-family housing projects, both new development and site renovations are a hot commodity here in Denver, and the demand is ever increasing. We love being involved on projects like these, and we look forward to more to come.

This is the official blog of Outdoor Design Group, Colorado Landscape Architects. For more information about our business and our services, click here.

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Project Highlight: The Gardens at Columbine Memory Care

Located in Littleton, Colorado, The Gardens at Columbine is a memory care/assisted living facility on which Outdoor Design Group provided landscape design services. This site was an expansion of an existing assisted living facility onto adjacent property. This new building provides a space for adding memory care services to the facility’s roster of other existing services for senior citizens.

As the new building was being planned for this recently acquired property, we designed the outdoor spaces, walkways and landscaped gardens to surround this new structure. Because the site was not terribly large, and the proposed building sizable in scope, this provided several challenges. From how to fit parking spaces into a small space to designing safe and sound emergency exit pathways, this project was a challenging but satisfying endeavor.

One of the first challenges we had to face was how to provide a working landscape at the east entrance to the building. This entrance is near the other existing building, and is the preferred access point for employees traveling between buildings. The difficulty here was adding an entrance walkway that would transition from a higher elevation parking lot then drop down to a doorway that sits slightly below grade relative to the parking lot. Retaining walls were necessary in this area so we added built in benches at the walls to provide useful amenities along this path. Step lights in the walls provide a soft illumination for this well used pathway.

Prior to construction, the original site was filled with trees, as it had been a large lot with one single family home on it. While some of the existing trees could not be saved due to the scope of the proposed building, we worked with the city and the owner to save as many trees as we could. For example we spent a significant time working and re-working the landscape plan with the civil engineer on the project to reconfigure the entrance drive and parking areas to save several existing trees on the north and east sides of the property.

The namesake gardens are located in the internal courtyard of the project. These outdoor spaces give residents of the facility a charming scene that invites them to go outside and get some fresh air amid the trees, shrubs and raised bed gardens.

Stepping out of the building and into the courtyard, the first of the raised planting beds one encounters is a large circle comprised of  a poured-in-place concrete seat wall that is chock full of colorful perennials, wispy ornamental grasses, low growing shrubs and scraggy boulders.

As you step further into the courtyard, you encounter wooden raised bed gardens where residents of the facility can indulge their gardening bug and get their hands dirty in the soil. These two beds are situated on opposite sides of the courtyard, connected by a concrete walk where the residents can circumnavigate to achieve fresh air and exercise, ensconced in the protective calm of these hidden gardens.

This is the official blog of Outdoor Design Group, Colorado Landscape Architects.  For more information about our business and our services, click here.

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Ban Evergreen Trees… from Urban Areas in Colorado?

When it comes to trees in designed landscapes in Colorado, landscape architects and designers don’t have very many species to choose from. With that being said, it might seem heretical to propose that the list of trees to pick from be restricted even further. Specifically, I advocate that large evergreen trees NOT be planted in dense urban areas that experience cold winters, unless they are sufficiently distant from walks and streets located north of such evergreens.

The shadows that large evergreen trees cast can help foster ice patches on walks and roads, compromising the safety and welfare of those who utilize these areas to travel about our towns and cities. If we are going to encourage biking and walking to ease automobile congestion and alleviate environmental impacts, having the safest travel routes we can achieve is a noble goal.

It may be surprising to those who don’t work in the landscape, architecture or planning fields, but many municipalities require that a certain number or percentage of the trees on a landscape plan be evergreen trees. Sometimes these arbitrary requirements restrict designers and architects to squeeze these large winter-shading ice patch-makers into a site where it might be best to avoid them. However, I should mention that some municipalities that I’ve worked with do acknowledge the problem of winter shading from evergreen trees, and they do have instructions in their landscape codes to locate proposed large evergreens away from walks and roads that would be shaded by those evergreens.

I first became aware of the problem of evergreen shadow ice patches as an urban bike commuter in the Denver area. It is frustrating at best, and rather dangerous at worst to encounter a patch of ice on a street during winter time. I have found that often times when biking in the Denver area in winter, the majority of streets can be clear of ice, except for those areas shaded by evergreens that are located just south of walks and streets. But it is not just bikers that would benefit from restricting evergreen trees in urban areas. Walkers and runners would also have an improved level of travel safety due to less icing of their pathways.

An ice patch on a Denver street, from the shadow of a large evergreen tree.

Because the foliage canopy of pine, spruce and fir trees does not drop during winter, melting of snow and ice via solar gain is limited. Deciduous trees, which drop their leaves and allow more sunlight to reach walks and streets, are a better choice in place of evergreens. I acknowledge that evergreen trees are often used for landscape screening. But I question whether this screening is worth it when considering their impact to roads and walks during winter.

Another impact from lost solar gain due to evergreen tree shading is on homes and other buildings. A building that sits in the winter shadow of a large evergreen tree will miss out on solar warmth during a sunny Colorado winter day.

I do realize that in dense urban areas, it’s not just trees that can shade our streets and sidewalks. People need shelter and workspaces, and some of those structures could end up shading streets and cause ice patches. But residents don’t need evergreen trees on their urban lot. I advocate for trees to create shade in summer, visual interest in all seasons, and wildlife habitat. But the choice of tree in tight urban quarters needs to be considered carefully.

Despite the tongue in cheek title of this blog post, evergreen trees can be a wonderful addition to the landscape. I am not actually asking for evergreen trees to be banned from urban areas of Colorado. However it does seem best that in dense urban areas that experience cold winter weather, we should consider restricting evergreen trees to parks and large lots, away from streets and sidewalks where their winter shade will not cause icy travel dangers for walkers, bikers and even cars.

This is the official blog of Outdoor Design Group, Colorado Landscape Architects.  For more information about our business and our services, click here.

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Korean Feather Grass – A Frothy Focal Point for the Part-Shade Garden

Korean Feather Reed Grass

Calamagrostis brachytricha, Korean Feather Reed Grass

Calamagrostis brachytricha, aka Korean Feather Reed Grass, is a clump-forming ornamental grass with green leaves and fluffy flower plumes. It is not as well known as its infamous cousin Calmagrostis acutiflora ‘Karl Foerster’, commonly known as Karl Foerster Feather Reed Grass. But Korean Feather Reed Grass really should get more attention, as it is an indispensable option to add wispy texture to planting schemes in part shade conditions.

PLANT STATS

Scientific Name:  Calamagrostis brachytricha

Common Name:  Korean Feather Reed Grass

Plant Type:  Ornamental Grass

Mature Height:  3-4’

Mature Spread:  2-3’

Cold Hardiness Zone:  USDA zones 4 – 9 (up to 6,500 ft)

Water Requirement:  Medium. Slightly drought tolerant once established, but prefers adequate moisture. Requires regular amounts of water if it is planted in more sun.

Exposure:  Part Sun/Shade

Soil:  Tolerant of a wide range of soils.

Flower Color & Bloom Time:  The feather like flower spikes have a pink tinge when they initially emerge in late summer, and then fade to straw yellow in fall. Compared to Karl Foerster grass, the flowers of Korean Feather seem to be much more misty and gauzy when they first appear which gives the plants a wonderfully diaphanous appearance.

Winter Interest:  Gold foliage and flowers.

Disadvantages:  May reseed under certain conditions.

Availability and Sizes:  This plant seems to be regularly available at retail nurseries around the front range.  It is typically sold in 1 gallon or 4″  pots.

Best Features:  A large, showy, flowering ornamental grass that can take shady conditions.

Maintenance Tip:  Like other ornamental grasses, trim plants down to about 4-6” above the surrounding soil in late winter or early spring, before new growth begins to emerge.

This is the official blog of Outdoor Design Group, Colorado Landscape Architects.  For more information about our business and our services, click here.

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