Foxboro Stadium Goes Natural
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Foxboro Stadium Goes Natural By Matthew Trulio itting rock was the only thing Ran- over the weekend, bring in the new equip- of [Patriots owner] Victor Kiam and the dall & Blake, Inc., hadn't antici- ment, and make up what little time we lost. New England Patriots organization to in- Hpated in the construction of the These are the things that happen in a stall a proven natural turf field," Jankovich new, natural turf sand-based field at project like this. You just have to make said earlier this year. "This decision is in Foxboro Stadium in Foxboro, MA,so natu- adjustments and go on." the best interest of not only the Patriots' rally they hit tons of it. Adjusting to improve a difficult situation football players, but also other players "When we started trenching to put in is a subject the New England Patriots, the around the National Football League. In the drainage lines, we encountered 'rock NFL team which calls Foxboro Stadium addition, such a surface is conducive to a ledge,' a condition which is very common home, know something about After suffer- better brand of football." in many parts of New England," recalls Dan ing through one of the toughest seasons in RBI finalized negotiations for installing Almond, registered landscape architect and the history of the franchise, a season filled the new field in January. The field had to design/build division manager for the land- with loss and controversy, the Patriots de- be playable by June 1, when a soccer match scape architecture and construction firm cided it was time to make some adjust- between the national teams of the U.S. and based in Littleton, co. "The soil borings we ments. Ireland would be held. Work began in mid- performed very early on didn't show us how They hired Sam Jankovich as chief exec- February. Missing the deadline was simply much rock was down there. About 90 per- utive officer and owner's representative. not an option. cent of what was down there was rock." They picked high in the NFL draft, which Out With The Old Fortunately, they discovered the prob- is perhaps the only consolation for a team Before RBI could begin work on install- lem late in the week and had the weekend with a losing season. And they turned their ing its GraviTURF Natural Turf Athletic to solve it. By Monday, they were back in attention to the field itself and its well-worn Field System at Foxboro Stadium, the old business. artificial surface. surface had to be removed. That meant "We had originally planned on using a "Mr. Jankonvich was the athletic direc- taking up 93,000 square feet of artificial Vermeer 450 trencher, but we switched to tor at the University of Miami, so he was turf and padding, 2,000 cubic yards of a 650, which is about twice the size, and it used to natural turf," says Almond. "He was asphalt, and 4,000 cubic yards of soil. Al- worked like a champ," says Almond. "We strong on the idea of going to it at Foxboro though another outside contractor was did go through hundreds of teeth, Stadium." hired for the removal chores, RBI was on- though.t'Hitting rock caused a little bit of And go to it the Patriots and Foxboro site when they took place. anxiety because our schedule was so tight," Stadium owners did. "Because the field at Foxboro was arti- he continues. "But we were able to regroup "This is a great commitment on behalf continued on page 14 Foxboro's new turf ready for international soccer match. June, 1991 13 Foxboro Stadium seeds if time allows. "That way, we can seed Once RBI secured the Foxboro project, continued from page 13 into our root zone mixture exactly the type the firm contacted Altman again. ficial, it had a crown," Almond recalls. "In of grass mix we want to use," says Almond. "They called me and said we've got the middle of the field, the asphalt was "By seeding, we also avoid any soil inter- another project to do, but with a completely about 15 inches thick! Even on the sides, it face problems." different set of circumstances than at Den- was three or four inches thick. The nice Faced with Foxboro's tight time frame, ver," says Altman. "This time, we were thing was that they removed the surface however, RBI was forced to sod. sodding instead of seeding. We started out and the pad and gave it to charity. Then Getting The Old Team Together with six weeks from sodding to playing they ground up the asphalt and used it in Although RBI, founded in 1975, had time, but by the time everything came to- parking lot improvements at the stadium. constructed about 30 golf courses through- gether, that was down to four weeks." Nothing was wasted." out the West, as well as a number of athletic Building Bionic Turf In With The New fields, the first professional field installa- When RBI began its search for sod to be The GraviTURF system installed at tion of a GraviTURF system was at the used at Foxboro, it was looking not only for Foxboro Stadium is a gravity-drained, sand- Denver Broncos' training facility in 1989. a specific type of grass, but also for one that based athletic field set-up. The system was Mark Altman, of Altman & Altman Turf and had been grown in a sandy loam that ap- invented by RBI, which is in the process of Soil Fertility Specialists, an independent proximated the sand-peat-gravel mix they'd having it patented. consulting firm based in Marshall, MN,was be using. Their search, with Altman's assis- The system begins with perforated pipe brought in by RBI and the Broncos to tance, took them throughout the New En- drainage lines, which vary from four to 12 perform soil analyses on the project gland area, and as far west as Indiana. inches in diameter depending on the drain- Finally, after exhaustive testing of sods and age requirements of a particular project. soils from various turf farms, they settled "The pipe is all bedded in pea gravel-under on a Kentucky bluegrass of 27 percent it, around it, and on top of it-and we typi- Merit, 30 percent Ram, 20 percent Glade, cally use a well-rounded material," says and 23 percent Eclipse from Gold Star Almond. "On top of that, depending on the Farms in Canterbury, NH. type of installation the client wants, we "There were a lot of soil samples install our soil warming system." swapped back and forth," says Mack Mac- The Patriots wanted the soil warming Phail, a customer service manager at Gold system. It consists primarily of electric heat Star. "They wanted a sod that had been cables which run the length of the field, grown in a sandy loam to begin With, and from end zone to end zone. our soil was very close to what they had "Most of the time, we have to upgrade been looking for." the power a bit because the heating system The idea in testing the soil was not to requires something on the order of 500,000 "match" loam to loam, since the sod would watts," says Almond. "But it is a phased Electric heat cables and irrigation installed in be washed free of all farm loam after har- system-the whole thing doesn't run at pea gravel base. vest, but to find a sod that was already at once, because that way it's a lot more home in a medium similar to that used at economical for the owner to run. "That was about as close to a sterile Foxboro. "Obviously, a soil warming system is media as I've run across," says Altman. "The number one problem I see in sand- rarely used more than 2-1/2 months a year, "They [RBI] had planned on doing a stan- based fields is the sod-soil issue," says but it really helps extend a field's playabil- dard soil analysis, but I suggested taking a Dixon of Turf Diagnostics And Design. "A ity, as well as the ability to keep it green," number of soil samples because they were really fine-textured sod can seal off the sand he adds. going with a sand-based field. With a sand- base, and you never get rooting or other After the warming system, if specified, is based field, you can create a designer mix benefits. That's one of the benefits to sod in place, a peat and sand mix is put down. of nutrients. That gives you some real op- washing-you eliminate the interface prob- At Foxboro, the sand and peat were mixed tions that you don't normally have." lem." in a Dakota Blender. The job of making Altman designed a soil fertility program, The sod RBI selected at Gold Star was sure the sand and peat were compatible which included major and minor nutrients, strong and healthy, according to Altman went to Chuck Dixon, an agronomist and for the seeded turf. "When the turf came and Almond. But, given the deadline for the founder of Turf Diagnostics And Design, an up, it had all the nutrients it needed," he Foxboro project and the impending soccer Olathe, KS, firm which evaluates materials enthuses. "You can make a profound differ- match, they knew it had to be even for suitability of use in putting greens and ence in turf establishment through proper stronger.