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David Furman Architecture

PROJECT SPECIFICATIONS/INFORMATION

Description:

This unique Bomanite Grasscrete installation was installed 20 years ago and uses recylced crush brick as an aggregate filler. The original installation use for Grasscrete was to facilitate the surface water on-site for aerification of large trees. The surface provides a second function for a structurally sound pervious parking access.

Grasscrete offers the ability to acheive LEED points for a varitey of applications. The Bomante Grasscrete system maintains water that would otherwise run off for use by returning it to the sub soils for plants. Additionally this water can be economically channeled using non-pervious membrane to collection points or to planting beds adjacent to the parking area. Water can be captured for use as irrigation. As another option, Xeriscape can be used in conjunction with a hybrid of grassed and exposed Grasscrete Systems to create a Xeriscape plaza with flowing lines funneling traffic or pedestrians through space not defined by traditional curbs or borders. Colored recycled glass aggregate or reclaimed porcelain aggregate, or in this case, recycled crushed brick could be used to fill the voids to create interesting bands of color and texture that circumvent the area.

Grasscrete offers the ability to provide year-round access for a variety of applications requiring structural paving surfaces without compromising the aesthetics of the exterior landscaping. Grasscrete is a very sustainable product that can employ a large recycled material content both in the form of aggregate and binder such as fly ash or sla  its lifespan is indefinite and can be recycled itself to form the aggregates for future Grasscrete applications; providing Specifiers with a truly sustainable, eco-friendly system to accommodate a variety of needs

Sterling Home Mortgage

PROJECT SPECIFICATIONS/INFORMATION

This 1,223 sq.ft. interior commercial project used Micro-Top® by Bomanite White Base and Bomanite Chemical Stain color application throughout. The inspiration behind this project came from the owner who has an additional office utilizing specific colors on his stained concrete floors. BJerk Builders approached Progressive Concrete Works, Inc. with the hope to match the floors of the new office with the floors of the existing office. The original office floor was stained directly on the existing slab by another company. The new office required an overlay to be applied before staining due to differences in the base material and the complications of an exact match.

By utilizing the Micro-Top® by Bomanite overlay system and the Bomanite Patene Artectura Chemical Staining system, Progressive was able to achieve the owners desired look, allowing for a more vivid presentation of the colors. The combination of Rust Red, Burnt Ember and Black Chemical Stains were applied along with Rust Red, Pine and Black in an alternating 8’ x 8’ scored grid pattern giving a subtle contrast and tasteful flair to the office environment. The floors were then sealed with Bomanite HydroLock and buffed to give sheen and an overall refined appearance.

Plum Way II Commercial Building

The Lake Carmel, NY, project is an example of an end-user desiring to develop a piece of property in a riparian zone. In order to proceed with construction, the local building department required that there be no runoff and that all storm water be contained on the site. This would have required the use of retaining areas with the capacity such that they would restrict access to the building required by large commercial vehicles weighing up to 40,000 pounds, as well as conventional access for staff and visitors.

The community of Lake Carmel proposed the use of Grasscrete, a pervious concrete system designed to allow water to pass freely through while maintaining a structural integrity adequate to support the required vehicles. A design was tabled and received approval from all parties. The local Bomanite Franchise Partner, Rok-Built Construction, Inc., performed all the site work, constructed the building and installed the Grasscrete System.

A 12” deep bed of clear, crushed stone was installed under the 38,000 square-foot Grasscrete System to act as a reservoir, providing capacity to retain storm water and allow it to percolate to the sub-base over time. Additionally, three small retaining ponds were incorporated into the design to handle any runoff water in the event that catastrophic rainfall would not reach the sensitive habitat area. The retaining ponds were designed as landscaped feature areas to add greenery at the perimeter of the site and improve the project aesthetics. These ponds were connected with three traditional inlet points that would function only after the Grasscrete System reached capacity. In this way the retaining ponds are kept artificially low at all times.

The concrete was a 4,000 psi mix design developed and provided by Brewster Transit Mix which was reinforced by 8×8 w8.0x8.0 epoxy-coated welded wire mesh. The Grasscrete was cast 5 1/2” thick and due to the finish requirements had to be hand floated and broomed . Once the former tops were removed, the voids were filled with locally sourced decomposed granite. The entry, walkways, handicap parking and visitor parking were finished traditionally as hard surfaces that drained to the Grasscrete System.

Goals Achieved/Added Benefits
• All storm water was contained, eliminating warmed first flush and contaminants entering habitat.
• No fears of clogging or freeze thaw degradation of the aggregate interface.
• Portion of cement content was replaced with fly ash, thus consuming a by-product and lessening CO2 emissions.
• Load bearing capacity to handle loaded trucks with trailers met by system.
• More robust than precast or plastic ring pervious products and therefore more
sustainable.
• Once through its service life, the product can be reclaimed and utilized as base material for future Grasscrete applications.