When Lemmie and Wanda Rockford were preparing to retire in 2001, they purchased some property and a house on the Columbia River near Cathlamet, Washington. The property slopes steeply down to the river, providing stunning views but little usable yard space. The steep bank was difficult to maintain as it was covered in blackberry brambles and weeds.
After several years in their new home, the couple wanted to free up some space for a yard as well as prevent their bank from eroding.
"We looked at several things. One option was to tear it up and do ground cover," Lemmie said.
But the Rockfords wanted to create a flat, level area they could use to plant a garden and some fruit trees, and building a retaining wall seemed like the best way to achieve that end.
While driving near their home, the couple spotted some large concrete retaining wall blocks called Redi-Rock® in a landscaping yard and stopped to check them out. They discovered that the one-ton (0.9 metric ton), Cobblestone texture blocks were known for their ability to build taller gravity walls than other retaining wall products on the market. Lemmie was also impressed with the ease of installation of the product - it was so simple, in fact, that the former pipeline construction company owner decided to install the Redi-Rock himself with the help of a small crew.
To prepare the site for wall construction, Lemmie poured a footing for the first course of gravity blocks to be placed along the beach. For the footings in the other tiers of the wall, a 2-3 feet (0.6-0.9 meter) deep leveling pad of crushed rock was compacted to make a suitable leveling pad.
"The contour of the ground dictated what we could do," Lemmie said, referring to the design of the walls.
Lemmie used Redi-Rock 60 inch (1520 millimeter) base blocks in the first tier, and 41 inch (1030 millimeter) retaining blocks in the center of the wall. He finished the wall with 28 inch (710 millimeter) top blocks at the top of each tier. He and his crew backfilled behind each of the walls with 6-8 feet (1.8 - 2.4 meters) of crushed rock to allow for adequate drainage.
The walls are built in four tiers with approximately 10 feet (3 meters) between each tier. A staircase built with Redi-Rock step blocks cuts through the walls and provides beach access.
We love the way things are turning our here. We're still in the process though," said Wanda Rockford.
"I feel really confident with the Redi-Rock; I've been in construction my whole life. We had a really wet winter this year and nothing moved at all. I'm confident the walls are here to stay," Lemmie said.
While working with the Redi-Rock retaining walls, Lemmie came up with an idea to add a creative touch to his landscaping. The Redi-Rock archway he designed is the first of its kind.
"I just wanted something a little different so I sat down and sketched out what I wanted. I took it to the Redi-Rock manufacturer and he said we could do it," Lemmie explained.
The design involves Redi-Rock 28 inch (710 millimeter) column caps which Puget Sound Precast of Tacoma, Washington manufactured custom for the project. The concrete form was adjusted so that one side of each column cap was poured at the standard 6 inches (152.4 millimeters), while the opposite side was poured to be 3 inches (76.2 millimeters) tall. This allowed the blocks to form an archway without the need to cut the blocks. The blocks were grouted together to form the archway.
"We're just tickled to death with it," Lemmie said.
The have also built several other Redi-Rock walls around the property, including a four foot (1.2 meter) tall freestanding wall that faces the front of a building and another retaining wall near their workshop.
Project: Rockford Residence #98 Owner: The Rockford Family Block Manufacturer: Puget Sound Precast Installer: Lemmie Rockford Location: Cathlamet, Washington Year Built: 2008
Gravity Retaining Wall Blocks - Massive, one-ton Redi-Rock gravity blocks rely on the sheer mass of each block to hold back the earth.
Freestanding Blocks - Redi-Rock freestanding blocks are textured on both sides, giving above-grade walls an unbeatable, finished look for any project you design.
Cap Blocks - Redi-Rock cap blocks are the perfect way to finish a retaining wall, freestanding wall, or column.
Step Blocks - Redi-Rock steps blocks look like natural stone steps, but have consistent dimensions so they're easy to walk on.
Cobblestone Texture Blocks - Redi-Rock Cobblestone blocks feature a great stacked stone aesthetic with the appearance of six smaller blocks.
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