AB Fieldstone™ is an Eco-Friendly Product

Allan Block, as an environmentally conscious company, strives to The revolution in retaining walls be a leader in the future of “green” building products. Building with more environmentally useful products will increase efficiency and we have all been waiting for. reduce the negative impact we have on the world we live in.

As a leader in the industry, Allan Block provides environmental so- lutions to just about any landscape. Our efforts to provide green Brought to you by Allan Block, the leader in SRW technology. construction solutions coincide with the efforts of the U.S. Green Building Council’s LEED® (Leadership in Energy and Environmental Design) Program and other programs of its kind.

Reasons to use the AB Fieldstone Products are:

• Materials used to manufacture the product are local raw materials, that minimize fuel needed for handling and transportation. Sierra • Due to efficient manufacturing processes, there is very little waste when producing Series the AB Fieldstone product. AB Fieldstone leads the way as the first • Improving the environmental impact using a product that is made of recycled materials. recycled/green concrete retaining wall product on • If upon project completion there are excess AB Fieldstone anchoring units, they can the market. The natural stone look combined with be saved and used on the next project as they are universal units and can be used on a two-piece hollow core retaining wall unit expands Cascade all AB Fieldstone projects. our opportunities to enhance the look of our struc- Series • AB Fieldstone retaining walls can help projects achieve LEED® points in 14 different tures as we develop more buildable land. The credits. lighterweight blocks makes installation fast and • By using the AB Fieldstone product you can build projects that are environmentally easy making this an all around user-friendly system. friendly applications to help with soil erosion and water management. • AB Fieldstone is made of concrete, which is a durable building material that surpasses Reference our other Allan Block materials the life-expectancy of alternatives (such as timbers or railroad ties). Concrete prod- for more information when using our ucts do not contain toxic materials that are sometimes found in these treated timber AB Fieldstone line of products. and other materials. AB Engineering Manual AB Spec Book AB Commercial Retaining Wall Manual AB Walls 10 AB Estimating Tools

To find the most up to date information contact Allan Block at 800-899-5309 or visit our website at: allanblock.com

Sierra Series

Allan Block Corporation - 5300 Edina Industrial AB Fieldstone, another quality product Blvd, Edina, MN 952-835-5309 fax 952-835-0013 Printed on Patents Pending Worldwide DOC. #C0501-0110 Paper with 30% brought to you by Allan Block. Recycled Fiber 3. Install Additional Courses Basic Installation Steps • Remove all excess material from the top surface of the AB Field- stone units. This should include running a brush or broom Use this document in combination with our AB across the receiving notch to remove any debris. Commercial Retaining Wall Manual relative to ™ proper steps for site prep, drainage require- • For faster installation and alignment of the second course, install ments and installing the base material. Most de- the first AB Fieldstone facing unit and AB Fieldstone anchoring signs will require a local wall design engineer or unit at the same time. Make adjustments so that the vertical a site civil engineer to develop approved plans. seams are offset from the blocks below by at least 3 in. (75 mm) or ¼ the length of block. 1. Install Base Course • Install the rest of the AB Fieldstone facing units using the first • At the lowest wall elevation place the AB Field- block as a placement guide. stone facing units on the base material to- wards the front of the trench, leaving room for • Place AB Fieldstone anchoring units into the receiving slots of Sierra the AB Fieldstone anchoring unit. Check each facing units. Slide the two-piece assembly so that the lip of the Series unit and adjust for level and alignment. The anchoring unit is placed into the receiving notch of the block on facing units can be randomly flipped upside the course below. Each anchoring unit should match up with down to give different facing appearances. one facing unit. 812 • For proper placement of the AB Fieldstone • Check and adjust for level and alignment of the AB Fieldstone anchoring units, use a brick hammer to cre- facing units. ate a small trench to allow for the lip. • Fill the hollow cores and a minimum of 12 in. (300 mm) behind • Install the AB Fieldstone anchoring units the wall with wall rock. Install the wall rock behind the anchor- into the receiving slots of the facing units. ing unit to be level or below the receiving notch or approxi- with the lip facing down in the trench just mately 0.5 in. (12 mm) below the top of the anchoring unit. Use 824 approved soils to backfill behind the wall rock. created. Make adjustments to ensure Available in multiple sizes (812 & anchoring units are installed reasonably • From course 2 and above use a plate compactor to compact di- 824), check with your local level with the facing unit. The anchoring rectly on the blocks as well as the area behind the blocks. Com- Facing Versatility AB Representative for details. units should never be installed higher than pact in lifts of 8 in. (200 mm) or less. the facing unit. Except for special applica- • Remove excess material from the top surface and repeat steps & tions like corners, each anchoring unit to complete the wall to the height required. should match up with one facing unit. Natural Stone Look • Finish the wall with capstones. Place first capstone on the wall 2. Install Wall Rock and Backfill materials to include a 1.5 - 2 in. (40 - 50 mm) overhang. Then run a string- • Fill the hollow cores and a minimum of 12 in. line the length of wall to mark placement of additional cap- stones. Use a flexible masonry caulking sealant, NP1 or (300 mm) behind the wall with wall rock. Short Install the wall rock to be level or below the equivalent to secure the capstone. See the AB Commercial anchoring receiving notch of the anchoring unit (see Retaining Wall Manual for additional finishing options. unit Facing illustration). unit (812) • Use approved soils to backfill behind the Installing Geogrid (when required) wall rock and in front of the base course. Refer to the approved plans for placement of geogrid; this example Receiving Slot • Use a plate compactor to consolidate the starts on top of the base course. Built-in Corner area behind the blocks. • Cut sections of geogrid to specified lengths per the project’s ap- Maximum Gravity Wall Heights • Compact in lifts of 8 in. (200 mm) or less. proved plans. Check manufacturer’s grid specifications for with short anchoring unit: Green Natural Friendly Backfill with wall rock to the strength, and roll or machine direction. With good soil conditions up to top of the receiving notch on • After the base course of blocks has been installed, roll out the ge- 4.5 ft. (1.4 m) the back of the block. ogrid reinforcement starting in the middle of the AB Fieldstone Long

AB Fieldstone anchoring facing unit and extending back to the excavated area. unit • Stack the next course of block (facing and anchoring unit) so the blocks are offset from the blocks below. Each new course should Cascade Geogrid be positioned with the vertical seams are offset by at least 3 in. Series (75 mm) or 1/4 the length of the block. • Pull on the back of the geogrid to remove any slack. Stake in Maximum Gravity Wall Heights with long place before installing wall rock and approved infill soils. anchoring unit: • Never operate compaction equipment directly on geogrid. With good soil conditions up to 9.0 ft. (2.7 m)