Retaining walls and stairs,outdoor kitchens greenville sc,landscape drainage standards - Downloads 2016

19.01.2015
Patterned retaining walls resemble hand-laid stone walls, and will require a certain level of detail and craftsmanship to construct. Both the AB Collection and AB Europa Collections can be used to create a variety of pre-set and random patterns. The AB Collections have been created in modular sizes to allow for easy construction of patterned walls.
The base course of your patterned retaining wall should always be installed using a full course of full-sized blocks. Refer to the gravity wall instructions for a detailed description on how to install the base course. Install the layer of geogrid by placing the cut edge up to the back of the raised front lip and roll the layer out to the back of the excavation area to the length specified in the approved plans. For retaining walls that require geogrid reinforcement, selection of which pattern to use is determined by the grid spacing shown on the approved plans.
Use infill or approved on-site soils to backfill behind the wall rockin the reinforced zone. Using a mechanical plate compactor, compact the wall rock and infill materials behind the block in maximum 8 in. With the first multiple-course pattern completed, use a plate compactor to compact the wall rock in the block cores and the wall rock behind the blocks. After running the plate compactor on top of the blocks and wall rock, compact the infill material immediately behind the wall.
Compaction in the block cores needs to be done regularly when working with patterned walls. Inside curved walls are easily constructed by maintaining a tight spacing at the front of the wall face. When ending a patterned wall with a corner, use a random selection of blocks to transition from the patterned courses into the AB Corner Blocks.


When building an AB Ashlar Blend retaining wall, if an AB Junior Lite is not available, the AB Lite Stones can be cut to produce two (2) AB Half Lites. Use a two (2) course pattern on retaining walls that have numerous inside and outside curves. Material used: Allan Block AB Europa (Abby Blend) for the tiered retaining walls and sitting wall. We built a number of retaining walls, both landscape and structural, for the Keystone assisted living facility in Westminster. This retaining wall was built for a residence to flatten out the side yard and create additional room for the owner to park his camper. The horizontal lines of the block add contrast to the vertical lines of the aspen trees and log railing. Tiered retaining walls and a curved staircase built with retaining wall block add a dramatic entryway to this beautiful mountain home.
River rock adds visual interest to the landscape and is used to assist in drainage and erosion control.
These retaining walls were added to help stabilize the slope when new roads and homes were built in Fraser, Colorado. This tiered retaining wall adds privacy to this corner lot and also serves as a sound barrier.
Since it is supporting a driveway and needs to hold up under the weight of vehicles driving and parking on it, this retaining wall needed to be engineered before it could be built. The combination of the Grey Blend and Tan Blend colors of AB Europa block add an interesting contrast to the paved driveway. The clean lines of the straight face block in this retaining wall gives the yard a timeless look. The addition of tiered retaining walls, a dry rock bed, water fountain and plants turned this small, sloping backyard into a cozy, intimate setting that evokes a sense of peace and tanquility.


Basic steps include: site prep and excavation, installing base material, base course, wall rock, backfill materials, geogrid - if necessary and compacting.
Compact in a path parallel to the wall, working from the front of the wall to the back of the infill material. Three course patterns can be used for gravity walls or to top off a reinforced wall where geogrid is not required within the top three courses. When ending a patterned wall, discontinue the pattern and randomly adjust as necessary to meet the site conditions.
This can be done by using the end of a shovel to compact the wall rock, adding additional rock if necessary. This wall required engineering, because it needs to hold up under the weight of the camper. The steps lead down into to the backyard and are framed by pillars made with Courtyard blocks. Retaining wall block of four different sizes are used to create this pattern, called Abbey Blend. Random patterns used on a reinforced wall require a level surface every 2 courses for proper installation of geogrid.
Compact directly behind the blocks in a path parallel to the wall, working from the back of the wall to the back of the excavated area.
The lower paver patio is wrapped with a curved retaining wall, which also serves as a sitting wall.



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Landscaping ideas for privacy on corner lot


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