Interlock Design - Fall 2019

THE OFFICIAL PUBLICATION OF THE INTERLOCKING CONCRETE PAVEMENT INSTITUTE

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EDITORIAL: NEW LIFE CYCLE PICP COST SOFTWARE HARDSCAPE NORTH AMERICA PROJECT AWARDS: CONCRETE PAVERS AND COMBO WINNERS THE BEER ISSUE: PICP GRACES NICHE AND NATIONAL BREWERIES

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EXECUTIVE DIRECTOR: Charles McGrath, CAE PUBLISHING DIRECTOR: Steven Hawkins EDITORIAL DIRECTOR: David R. Smith CONTRIBUTING EDITOR: Robert Bowers, P.Eng. Issue 4 • 2019

DESIGNER: LLM Publications

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contents 05 FINESSE & FUNCTION FOUND IN THE NATIONAL HNA PROJECT AWARDS

DEPARTMENTS ICPI Webinar Seminars Register at: www.icpi.org/view/events

02 INTERLOCKUTOR THE BREWERY ISSUE

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Tel 703.657.6900 Fax 703.657.6901 Email icpi@icpi.org ICPI Canada P.O. Box 1150 Uxbridge, ON L9P 1N4 Canada SUBSCRIPTION AND MEMBERSHIP: Qualified design professionals can receive a complimentary subscription—email us at icpi@icpi.org.

For further information about this publication or about membership in ICPI, write to the appropriate address, call 703.657.6900 or fax 703.657.6901.

Send story submissions for consideration to dsmith@icpi.org.

Manage your subscription at www.icpi.org.

Interlock Design is published quarterly by the members of the Interlocking Concrete Pavement Institute (ICPI) for producers, suppliers, contractors, specifiers and users of interlocking concrete pavements.

The opinions expressed in Interlock Design articles are those of the authors and do not necessarily represent the position of the editor or ICPI.

24 FEATURE BIGGER THAN BEER: NATIONAL BREWERY RELIES ON PERMEABLE PAVERS TO DEMONSTRATE CORPORATE VALUES 28 FEATURE MINIMAL RUNOFF, MAXIMUM BEER

ADVERTISING

32 MAIN EVENTS

DESIGN

32 ADVERTISER INDEX

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14801 Murdock Street, Suite 230 Chantilly, VA 20151

Ronnie Jacko ronnieJ@llmpubs.com | 503-445-2234 Stephanie Pendell stephanie@llmpubs.com The acceptance of advertising in Interlock Design magazine does not constitute or imply the endorsement or recommendation by ICPI or its members, staff, editors or the publishers of any product or service mentioned, referenced or advertised in the publication. ICPI accepts no responsibility for any claims made in any advertisement. ICPI further reserves the right to refuse to accept any advertisement.

ISSN 1087-9862 ©2019 Interlocking Concrete Pavement Institute.

Visit our website at www.icpi.org.

interlockutor Issue 4 • 2019

The Brewery Issue

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David R. Smith

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• One of the advantages of a digital publication: page count isn’t constrained by a printing budget or the signature because there is no printing. For readers distant from the printing process, a signature is a group of pages “printed on both sides of a single sheet of paper that once folded, trimmed, bound and cut, become a specific number of pages depending on the page size

and the size of the press sheet” (from www.designersinsights.com). No paper = no signature.

The digital advantage in this issue is manifested in wider coverage of the Hardscape North America Project Awards.

Expanded reporting covers the concrete paver winners and projects using a combination of hardscaping products.

Previous printed magazine issues only featured concrete paver winners. The result is about twice as many pictures and text compared to those in the previous ten years’ coverage on this national contest. Congratulations goes to the winners and honorable mentions! We hope you enjoy viewing these top-notch projects.

In addition to the awards, this issue features two beer breweries using permeable interlocking concrete pavement (PICP), one in North Carolina and the other in Wisconsin. In both cases, runoff reduction was required by the municipality and/or state government. The permeable pavement in

Solar panels and permeable interlocking concrete pavement tell Sierra Nevada Brewery visitors about environmental responsibility.

North Carolina enabled water reuse for irrigation. The site in Wisconsin prevented stormwater from overloading a combined sanitary and stormwater sewer system, thereby saving wastewater treatment costs and reducing the risk of sewer overflows.

PICP use is often dictated by local stormwater reduction ordinances. However, there is a growing project portfolio by private developers who have taken advantage of cost savings from PICP’s dual role of stormwater management and pavement. ICPI recently held a webinar demonstrating how to justify PICP from an economic analysis. The key is identifying on- and off-site benefits to include in a life-cycle cost analysis (LCCA). Those lifetime costs can justify using PICP rather than conventional stormwater management practices that manage runoff from impervious pavements and roofs.

The most effective economic justification for using PICP emerge from developable land made available from reduction or elimination of detention ponds. Another area where PICP yields significant economic benefits is reduction of flows (due to infiltration) to waste treatment plants that process combined sanitary and stormwater sewage. A detailed LCCA example with these aspects was presented in a recent ICPI webinar that introduces a PICP LCCA Excel tool. The tool is available upon request to ICPI members and design professionals via dsmith@icpi.org.

If readers are interested in viewing the recorded webinar, it’s available for $50. ICPI voting members can access the webinar for $30, affiliate members pay $35, and informational members $40. Here is how to access this resource: • Visit https://educate.icpi.org • Login in the upper right corner—please use your ICPI credentials • Select “Webinars” from the menu on the left • Select “Continuing Education and Informational Webinars” from the drop-down options • This webinar is under the “Sales” Webinar portion ICPI also has an LCCA tool for comparing interlocking concrete pavement lifetime costs to conventional asphalt and concrete pavements. That’s available for free from here. In the meantime, enjoy this issue, the recorded webinar, and the Excel tool over your favorite beer. l

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COVER STORY 

Finesse &

FUNCTION

Found in the National HNA Project Awards

This magazine is pleased to announce the winners of the 12th annual 2019 Hardscape North America Project Awards. The contest received 165 submissions, exceeding last year’s count of 155.

Winners were recognized in 18 categories nominated by projects size and application. Materials include concrete pavers, clay brick, natural stone, porcelain, segmental concrete retaining walls, and combinations of these products.

To keep the editorial focus mostly on segmental concrete pavements, only the winners and honorable mentions are featured in the concrete paver and combination categories. However, all of the winning entries can be viewed here.

Winning entries typically include excellent photography communicating the designer’s intent. When combined with superb, uncluttered designs, such photography makes it easy for readers to vicariously experience them. We hope readers enter and enjoy the designs while expanding imaginations.

The contest is produced by the Interlocking Concrete Pavement Institute (ICPI). An asterisk next to a name indicates an ICPI member.

The awards program is endorsed by the National Concrete Masonry Association and the Brick Industry Association. Thanks goes to the 2019 HNA Project Awards program sponsors: ICPI members Belgard, iQ Power Tools, and Keystone Hardscapes. The following presents the winners and honorable mentions in for concrete pavers, projects using a combination of products, and a vintage project. 

To help the judges evaluate submissions, entrants submit a brief narrative and six photos demonstrating the following:

Innovative design using colors, shapes, textures and patterns Quality of construction and craftsmanship Compatibility with adjacent construction materials and systems Construction innovation Overall excellence Highlighting unique aspects of the project

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COVER STORY Issue 4 • 2019

Concrete Pavers Commercial Applications with less than 15,000 sf

Palmer Field Location Middletown, CT

Contractor Torrison Stone and Garden, Durham, CT Manufacturer Cambridge Pavers, Lyndhurst, NJ*

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Designer Brian Murphy, Landscape Architect, PLA, ASLA

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LANDING OUTSIDE THE FIELD SCORES A HOME RUN A 40-year old ball park entrance received a makeover with concrete pavers whose grid pattern visually tied existing buildings together. Coexistence of concrete and clay pavers complemented the entrance and grid pattern, a visually effective means to highlight the buildings.

The grid pattern also embraces a home plate-shaped planter/seating in front of a low wall boasting team logos. A new entrance sign, trees, and fencing welcome fans entering the ballpark.

* ICPI Member

Honorable Mention Phoenix Corporate Center Location Phoenix, AZ Contractor European Pavers Southwest Inc., Phoenix, AZ Manufacturer Belgard, Phoenix, AZ* A TWOFER This 9,700-sf project combines large and small paving slabs with rectangular pavers to join two adjacent office buildings.

The plaza includes a circular drop off for vehicles between the buildings.

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COVER STORY Issue 4 • 2019

Concrete Pavers Commercial applications with more than 15,000 sf

Confluence Park Location San Antonio, TX

Contractor Cribley Enterprises, San Antonio, TX Manufacturer Keystone Hardscapes, Grapevine, TX*

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Designer Lake Flato Architects and Rialto Studio

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SUPERB ARCHERY This community park finds its inspiration from South Texas flora. Specifically, the 29-ft high arches and innovative paver shapes suggest flower petal patterns while the overall layout urges exploration by pedestrians. This project transformed a former storage lot into a stunning community gathering space.

* ICPI Member

Honorable Mention Miller Park Location Chattanooga, TN Contractor Fischer Brothers LLC, Chattanooga, TN Manufacturer Wausau Tile Tectura Designs, Wausau, WI Designers Spakman Mossop Michaels, Eskew+Dumez+Ripple

A BIG URBAN ROOM FOR LIVING As a central gathering place for public events, the 2-in thick hexagon pavers in contrasting shades help mark steps and borders along streets. In addition, rumble strips and bollards replaced curbs adjacent to streets which makes the space more inviting.

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COVER STORY Issue 4 • 2019

Concrete Pavers Residential applications with less than 3,000 sf

Private Resort Location Hebron, CT

Contractor Clarke Landscapes, Bolton, CT Manufacturer Unilock

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Designer Mather Clarke, Clarke Landscapes

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NO VACATION TRAVEL NEEDED This magnificent backyard environment differentiates places with different elevations yet ties them together with a range of concrete paver shapes, patterns, and textures.

In addition to concrete pavers, natural stone slabs, and boulders enhance the living spaces.

Amenities include an A/V system, gas fire pit, electric heaters for the structures, and a wet bar. Waterproofing of the deck enabled useable space below.

* ICPI Member

Honorable MentionS Poolside Retreat Location Bennington, NE Contractor Executive Outdoor Living, LLC, Omaha, NE Manufacturer Belgard* Designers Susan Gregory, Executive Outdoor Living, LLC DIAL IN RELAXATION Construction began with the retaining walls which created a starting place for the patio and pool. The patio elevation and location are placed to take in the best view of the lake behind the house. The pool, lights, and sound system run from the homeowner’s smart phone. The landscaping and lighting accents enhance this backyard for day and night use.

Rustic Mountain Living Location Millersburg, PA Contractor GoldGlo Landscapes, Millersburg, PA Manufacturer Techo-Bloc* Designers GoldGlo Landscapes NO ROUGHING IT HERE A free-form pool and slide, a spacious pool deck to entertain guests, plus an intimate seating place under a timber frame structure all considered paver colors and textures that would complement the log style home.

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COVER STORY Issue 4 • 2019

Concrete Pavers Residential applications with more than 3,000 sf

Tuscan Retreat Location Timnath, CO

Contractor Lindgren Landscape, Fort Collins, CO Manufacturer Belgard*

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Designer Georgia Perry

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BENVENUTO NELLA MIA CASA A modern interpretation of an Italian villa combines colors and textures of the building walls and paving. A heated driveway used 3 1/8-in thick concrete pavers.

The pavers continue indoors to maintain a relaxed character.

* ICPI Member

Honorable Mention Franklin Paver Pool Patio Location Franklin, IN Contractor Calvin Landscape LLC, Indianapolis, IN Manufacturer Unilock Designers Jeremy Burns and Daniel Camacho, Calvin Landscape LLC

BRING THE WEST BACK EAST Inspired by regular trips to Colorado, this expanded backyard provides all-weather places for family and entertaining.

This was enabled by creating a covered outdoor fireplace next to the pool and waterproofing the deck against the house thereby enabling utilization of the space under it. Concrete pavers, stone, and cedar colors and textures were selected to remind the homeowner of Colorado.

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COVER STORY Issue 4 • 2019

Concrete Pavers Commercial applications using permeable designs

Confluence Park Location Denver, CO

Contractor Stonecreek Hardscapes, Thornton, CO Manufacturer Keystone Hardscapes

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Designer Wenk Associates

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A RIVER RUNS THROUGH IT Running through central Denver’s oldest neighborhood, this linear park along the South Platte River was upgraded with permeable interlocking concrete pavers, an ADA compliant design, and safer river access. Paver colors reflect that of the surrounding buildings while providing passage for bicyclists along the river bike trail, a place for events, or just sitting and watching the river.

* ICPI Member

Honorable Mention Travis at the Lake Apartments Location Austin, TX Contractor Tuscany Pavers LLC, Georgetown, TX Manufacturer Keystone Hardscapes Designers Open Air Studios

RAIN AND DRAINAGE MANAGEMENT Not something common to pools, permeable interlocking concrete pavement appears like the local limestone and matches the adjacent new buildings. Motivation to use a permeable design likely came from the City of Austin providing 100% pervious cover credit for the pool deck. The surface effectively allows infiltration through the pavement section while not destabilizing the soil subgrade around the pool structure.

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COVER STORY Issue 4 • 2019

Combination of Hardscape Products

Rustic Paradise in the Middle of the City Location Omaha, NE

Contractor Executive Outdoor Living, LLC, Omaha, NE Manufacturer County Materials Corporation*/ Belgard*/Natural Stone

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Designer Jake Johnson, Executive Outdoor Living, LLC

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BLOCK THE COMMERCIAL STUFF Building several levels with mixed textures and colors transformed a backyard formerly replete with weeds and an old wood deck into a cozy place, even when temperatures turn cooler. The cedar bridge over the bolder-strewn stream, with a small waterfall and an arbor, add wood accents. The arbor over this sitting area provides a shaded spot to sit day or lighted by night.

Compactness of the design and landscaping almost render the commercial site behind the property as indiscernible. Re-grading the site at the project start directed runoff around the property and not down the middle.

Residential applications less than 4,000 sf

* ICPI Member

Honorable MentionS Farmington Backyard Oasis Location Farmington, CT Contractor Clarke Landscapes LLC, Bolton, CT Manufacturer Unilock Designers Mather Clarke, Clarke Landscapes LLC FILLED TO THE BRIM The site for this pool deck emerged from clearing a ¼ acre of woods and then depositing about 45 truckloads of fill. The imported and compacted soil elevated the site while creating space for the patios and softscape. Every boulder was selected from a pile of about a hundred to add a natural look. Their roughness complements the more refined appearance of the concrete pavers. While outsourced, the pool fits beautifully into the hardscaping.

Harkness Pool Patio Location Great Falls, VA Contractor Holloway Company, Sterling, VA Manufacturer Belgard* Designers Ted Tidmore, Holloway Company FIT FOLLOWS FUNCTION Stone veneer, composite decking and steps, outdoor kitchen appliances, pool and pavers, plus fireplace and fountain all seem to fit together into this backyard.

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COVER STORY Issue 4 • 2019

Combination of Hardscape Products

Natural Stone Wonder Location Passaic County, NJ

Contractor Monello Landscape Industries, LLC, Wayne, NJ Manufacturer Techo-Bloc*, EP Henry*, Basalt Stones

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Designer Joe Monello, Monello Landscape Industries, LLC

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SOMETHING FOR EVERYBODY This resortlike pool paradise features a nine-person swim-up bar nestled underneath a cascading waterfall, a 20-person hot tub, and a walk-in grotto fully equipped with sinks, TVs, refrigerators, freezers, and soda fountain. The grotto is made of sculptured concrete matching the natural basalt stones on the exterior. Waterfalls lead to a nine-hole miniature golf course and a paver basketball half-court with a custom logo. A custom bridge steel topped with porcelain tile carries over a to a stream to a 20 x 90 ft batting cage surrounded by concrete paver patios and a walkway leading to a Zen garden.

Residential applications less than 4,000 sf

* ICPI Member

Honorable Mention Desert Highlands Location Scottsdale, AZ Contractor G&T Custom Homes, Scottdale, AZ Manufacturer Belgard* Designers Lynn Tenney and Kori Tichenor

HOME OFFICE About 9,300 sf of formal, office-image porcelain slabs grace raised patios with 24 x 24 units. The porcelain seamlessly transitions from pool to the pool house to ensure a safe, slip-resistant floor for all guests enjoying this resort-like backyard. A swim-up bar and waterfalls add to the exclusiveness of the place with delightful sights and sounds.

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COVER STORY Issue 4 • 2019

Commercial Applications

SkyDeck at the Gatlinburg SkyLift Location Gatlinburg, TN

Contractor Hickory Hardscapes, Knoxville, TN

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Manufacturer Belgard*

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RISING ABOVE THE DESTRUCTION The year 2016 brought devastating wildfires the mountains at Gatlinburg SkyLift situated in the center of downtown Gatlinburg.

Rising about 1,000 ft, firefighters saved the buildings at the bottom of the mountain but couldn’t save those at the top. Boyne Resorts rebuilt the top with about 35,000 sf of segmental retaining walls, 20,000 sf of permeable interlocking concrete pavements, and 4,000 sf of large paving slabs. Called the SkyDeck, the top now provides some 500,000 visitors annually with great views of the Smoky Mountains. NBC Nightly News posted a news story on the project here.

* ICPI Member

Honorable Mention Main Entry Plaza Redesign Location Itasca, IL Contractor Cornerstone Partners Horticultural Services Company, Elgin, IL Manufacturer Rochester Concrete Products* Designer Todd Williamson

PAVERS ON DECK This renovation replaced an outdated, leaky waterproof membrane under first-generation roof pavers presenting some safety hazards. The design updated the building’s circular driveway and entranceway with concrete pavers and stones plus new plantings. Renovation included new catch basins and irrigation components. The different concrete pavers patterns upgraded the plaza entrance image backed by a replacement EPDM waterproofed membrane.

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COVER STORY Issue 4 • 2019

Vintage Installation

* ICPI Member

Historic Cream of Wheat Row House Location Minneapolis, MN

Contractor Villa Landscapes, Oakdale, MN Manufacturer Willow Creek Concrete Products, Inc.* Designer Kelly O’Donahue

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RETRO RETROFIT Upon removing a big boulder under the port cochere, concrete pavers provided a natural fit to this 1902 home. Horse-drawn carriage access relied on stepping onto the old boulder, but it was of sufficient size to block vehicular use. Hence, its removal.

The cobble-like concrete pavers and retaining wall units reinforce the charm of this home on “Cream of Wheat Row” where Minneapolis grain magnates lived.

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 FEATURE STORY

Bigger than Beer

By Sheryl S. Jackson

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National Brewery Relies on Permeable Pavers to Demonstrate Corporate Values

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“Bigger than Beer” is a message shared in all of Sierra Nevada Brewing Company’s communications. That message highlights the company’s commitment to sustainability and environmental responsibility in all areas of its business. First starting in 1980 in Chico, California, the brewery expanded in 2014 to Mills River, North Carolina. That facility became the first production brewery in the U.S. to be certified LEED® Platinum, the highest level awarded by the most widely used

green building rating system in the world.

One of many design and construction components contributing to LEED® certification

The warm vibe of the parking lot serves as an entry plaza to the brewery and tap room.

Sierra Nevada’s Eastern U.S. Brewery presents a masterpiece of architecture and site design that includes beverages.

was permeable interlocking concrete pavement (PICP) for the brewery’s parking lot. The PICP garnered credits for stormwater management and for reducing the

PROJECT CREDITS heat island effect. However, PICP for the parking lot and non-permeable pavers for sidewalks and patios fulfilled another design goal the owner wanted, says Glenn Walters, principal of Design Workshop in Asheville, NC. “The owner wanted the facility to be a special place that showcased the company and its commitment to environmental responsibility,” he says. “Because the parking lot serves as an entry plaza to the brewery, pavers provide the aesthetic quality that welcomes visitors to a quality, great brewery.”

“The brewery sits on the French Broad River, which provides 90% of the water used at the facility. So, the use of permeable pavers for the 2.58 acres of employee and guest

parking captures and cleans the water before it returns to the river. This clearly demonstrates environmental responsibility,” says Brian Wierman, chief operating officer of Rivertop Contracting Inc., the landscape contractor for the project.

Concrete pavers chosen for the project and supplied by an ICPI member were machine-placed, 3 1/8-in thick units set in a herringbone pattern. They rested on a 2-in thick bed of ASTM No. 8 stone over a 4-in thick base of ASTM No. 57 stone. The subbase reservoir comprised of 6 inches of ASTM No. 2 stone over geotextile. The water infiltrating into the permeable pavement is handled one of two ways.

The pavement structure directs water

OWNER: SIERRA NEVADA DESIGNER: GLEN WALTERS, PRINCIPAL, DESIGN WORKSHOP CONTRACTORS: UNITED HARDSCAPES, CUYAHOGA FALLS, OHIO RIVERTOP CONTRACTING, SWANNANOA, NORTH CAROLINA

to a level spreader that releases water to the natural environment or to a system of large tanks that collects it for irrigation. Both paths manage and

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TWO OPTIONS FOR STORMWATER MANAGEMENT

Darker colored pavers marked parking spaces and accessible parking delineation.

Underground vaults store water for irrigation.

Level spreaders under the pavers hold, infiltrate and then release excess runoff collected under the pavement.

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COVER FEATURE STORY STORY

Continued from page 25

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release the stormwater according to state requirements, says Walters.

The design for the expansive pavement included parking space striping and crosswalk designations with colored pavers, and crews had to install pavers around landscape islands scattered throughout the area. “A lot of pre-construction planning was necessary to make sure everything was lined up properly as we laid the pavers,” says Greg Ambrose, vice president of United Hardscapes and ICPI member, the contractor who installed the pavers. “One key thing that we did was hire a surveyor to create a 25-ft by 25-ft grid over the entire site so

we could pave from point to point in the stone the next day—which and be sure that everything lined up meant re-doing the work,” he says. properly.”

While the need for coordination among different crews is not The size and location of the uncommon in a large construction parking lot presented other site, it is important to address it in challenges not related to the pre-construction meetings that installation of the pavers, points address everyone’s plans for staging out Mr. Ambrose. Staging material material, construction traffic, and and keeping the site clear for the work areas, he suggests. paver installation crew required constant communication with other contractors working on the building—and there were still miscommunications, he says. “We laid the bedding course for the pavers with a paving machine one day and blocked the area with tape and signage, then found footprints

Because the site included a variety of walkways and materials that tied

Maintaining a consistent paving pattern around landscaping planters was supported by paving to a 25-ft grid on the site.

into the parking lot, some of the design was necessary to protect the permeable paver area, says Mr. Wierman. “The design architect’s team addressed this with wide concrete edging that kept pea gravel in walkways from entering the permeable pavers in the parking lot.”

In addition to the project size and the congested worksite, rain proved to be an obstacle with 85 inches failing in the area during construction, twice the annual average. While there was rain, there was no snow to prevent work from continuing, and Mr. Ambrose notes that his installation crew worked in all four seasons. He used his Ohio-based crew for the North Carolina project because they had the needed job skills. “We mobilized five different times over the course of construction, with crews in place for four weeks and two weeks at a time, depending on the work scheduled.”

Although the project size, a busy construction site, and coordinating material staging plus too much rain, the project was completed in time for the August 2014 opening celebration event. “The entire site demonstrates Sierra Nevada’s commitment to the environment,” says Mr. Wierman.

“Permeable pavers played an important role in the overall program to reclaim water that also includes rooftop design, rain gardens, and collection tanks that capture water to re-use for irrigation.” l

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 FEATURE STORY

Minimal Runoff, Maximum Beer

ASTM No. 2 stone reservoir is spread and compacted on geotextile.

By Sheryl S. Jackson

Photo credit: Trees on the Move

Mike and Sharon Grinker purchased that building on a busy commercial corridor in Milwaukee, Wisconsin.

They saw the potential for an environmentally sustainable commercial development with

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The old saying gets confirmed again: The three most important things in real estate are location, location, and location. Success in commercial development starts there, then moves to renovating a building to create a welcoming environment that appeals to tenants’ customers.

When the owners of Dead Bird Brewing, a local craft beer brewery, initially saw the site of their first brewery and taproom, they were attracted to the vintage appearance of a 130-year-old building that housed a grocery and delivery service, as well as a book bindery.

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Overflows from the PICP parking lot are managed by an adjacent bioswale.

Photo credit: Carrie Bristoll-Groll

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permeable pavement that could attract a number of tenants and their customers. “I have used interlocking concrete pavers for a parking lot on a previous property, so I know how they improve the appearance of a commercial property,” says Mike Grinker, president of Sid Grinker Restoration. “We wanted a cobblestone appearance for the parking lot so we used three different shapes and sizes with an accent color paver. The pattern eliminated the long, straight joints typically associated with pavers and

PROJECT CREDITS gave us a look that compliments the building.”

With a craft brewery attracting younger customers, concrete pavers were the perfect material for the parking lot, says Carrie Bristoll-Groll, PE, CFM, Principal Civil Engineer/CEO of Stormwater Solutions Engineering.

“Millennials are eco-sensitive and want to see more than a boring concrete lot that doesn’t support environmentally sustainable efforts,” she points out. Permeable pavers and bioswales eliminated stormwater from entering the combined sewer system. They enabled an environmentally-responsible design, but are also more attractive, she says.

The 9,000-sf parking lot was paved with 3 1/8-in thick permeable interlocking concrete pavers supplied by an ICPI member. “There were different pieces in the pattern—a square, a rectangle, and a larger

rectangle—to produce the design,” says Jason Steadman, estimator with Trees on the Move, the pavement installation contractor. The pavement was laid by machine, but the color of the pavers and the design of the pavers give it a hand-laid look, he says.

The jointing and bedding course stone were ASTM No. 8 aggregates over a 3-in thick base course of ASTM #57 stone. A 15-in thick subbase reservoir consisted of No. 2 stone, points out Mr. Steadman. “We did not use an impermeable membrane under the subbase so that water can infiltrate into the soil, which is 60–70% clay. We placed a geotextile on the soil to separate it from the subbase.” Although the permeable parking lot should be able to store and infiltrate most rain or snowmelt, the pavement can handle excessive amounts of water by draining it into

OWNER: MIKE AND SHARON GRINKER DESIGNER: ALYSSA SCHMITT AND CASSANDRA BENCE, PROJECT ENGINEERS, STORMWATER SOLUTIONS ENGINEERING LANDSCAPE ARCHITECT: ROSHEEN STYCZINSKI, NEW EDEN LANDSCAPE ARCHITECTURE CONTRACTOR: TREES ON THE MOVE, NEW BERLIN, WISCONSIN

Brewery parking lot becomes a festive front yard to welcome thirsty customers.

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Photo credit: Sid Grinker Restoration, Inc.

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COVER FEATURE STORY STORY

The ASTM No. 57 base is spread and compacted over the No. 2 subbase reservoir.

Photo credit: Sid Grinker Restoration

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bioswales. “The project was pretty straightforward but with any large, L-shaped pavement, it is important to plan your paving starting point carefully,” says Mr. Steadman. “You will almost always have to cut pavers at one end of the project, so we made sure that we laid the pavers on the long side of the project first, which meant fewer pavers to cut as we finished up on the shorter side.”

Planning ahead also means making sure that paving materials are staged

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in locations that make it easy to implement the plans.

which created a “chocolate chip” look to the pavement, he says.

“Permeable pavers on parking lots also offer an added benefit Although the pavement was laid by in Wisconsin winters because as machine, an additional accent color snow melts during the day, it drains paver was added by hand, says Mr. through the pavers, which means Steadman. “About 10% of the pavers no icy puddles that require salting were placed randomly after the to make them safe for pedestrians,” pavement was finished,” he explains. says Ms. Bristoll-Groll. “Eliminating or The crew randomly removed pavers minimizing deicing salt is also good from the pavement surface and for the environment.” replaced them with the accent color,

Chocolate Chip Pavers

The screeded No. 8 stone bedding layer accepts machine placed permeable interlocking concrete pavers.

Photo credit: Sid Grinker Restoration

Although the cost of a permeable paver for a large parking lot is more than traditional concrete or asphalt, a grant from the Milwaukee Metropolitan Sewerage District helped offset some of the costs of green infrastructure installation says Mr. Grinker. The combination of the grant funds to reduce contribution to a combined sanitary and storm sewer system, and more intangible visual and safety benefits helped justify the additional expense, he adds.

In addition to the parking lot, Mr. Grinker also used pavers for an adjacent property. A patio

and walkways that tie together the commercial and residential properties were constructed with permeable pavers for a variety of reasons. He explains, “The pavers replaced deteriorated and heaving concrete walkways, and enhanced the appearance of the overall project. The investment will enhance the market value of both properties and attract tenants.� l

The finished PICP parking lot.

Photo credit: Trees on the Move

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Issue 4 • 2019

THE MAIN EVENTS



the MAIN events EVENTS DATE

EVENT

LOCATION

December 3–4

Concrete Paver Installer Course – Keystone Hardscapes

Cincinnati, OH

December 3–4

Concrete Paver Installer Course – Belgard

Webster, NY

December 3–4

Concrete Paver Installer Course – ICPI Northern California Chapter

Reno, NV

December 4–5

Concrete Paver Installer Course – E.P. Henry

Boonsboro, MD

December 4–6

ICPI – NCMA Commercial Sales Course

Atlanta, GA

December 10–11 Concrete Paver Installer Course – Oberfields

Columbus, OH

December 11–12 Concrete Paver Installer Course – New Jersey Landscape Contractors Association

Atlantic City, NJ

January 6–7

Concrete Paver Installer Course – Belgard, Cambridge Pavers, EP Henry, Keystone Hardscapes, Newline Hardscapes, Nicolock, Pave Tech, Permaloc, Sislers Stone and Techo-Bloc

Baltimore, MD

January 10–11

Concrete Paver Installer Course – Montana Nursery & Landscape Association

Missoula, MT

January 15–16

Concrete Paver Installer Course – The Sustainable Business Network of Greater Philadelphia

Philadelphia, PA

January 16–17

Concrete Paver Installer Course (Spanish) – SiteOne Landscape Supply

Wilmington, NC

January 16–17

Concrete Paver Installer Course – SiteOne Landscape Supply

Wilmington, NC

January 21–22

Concrete Paver Installer Course – ICPI Northern California Chapter

Mountain View, CA

January 23

PICP Specialist Course – The Sustainable Business Network of Greater Philadelphia

Philadelphia, PA

January 27

PICP Specialist Course – North Carolina Nursery and Landscape Association

Greensboro, NC

January 27–28

Concrete Paver Installer Course – North Carolina Nursery and Landscape Association

Greensboro, NC

February 17–20

ICPI Annual Meeting

Salt Lake City, UT

August 24–27

ICPI Summer Meeting

Annapolis, MD

October 21–23

Hardscape North America

Louisville, KY

To check out more ICPI Events, click here.

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ADVERTISERS IN THIS ISSUE

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Columbia Machine, Inc...........................4 KBH Maschinenbau.......... 23 Keystone Hardscapes....... 23

KOBRA Molds, LLC.............3

SEK, Inc............................... 33

Oldcastle Architectural, Inc........... 1, 33

Solomon Colors, Inc.......... 27

Oly-Ola................................. 27

Topwerk America Ltd.................... 4, 33

MARKETPLACE

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