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Waterway Stabilization on Golf Course

Waterway Stabilization on
Golf Course - Myrtle Beach, SC

Site

The site, Barefoot Landing Golf Resort, a 3200-acre golf, and residential resort project located 15 miles West of Myrtle Beach at Longs, SC., fronting on the Intercoastal Waterway. The project is comprised of four golf courses, designed by Tom Fazio, Greg Norman, Davis Love III and Pete Dye, sharing a common club house, village (retail shops, services) and lodging facilities, incorporated into more than 1500 building sites. The climate is almost subtropical, with very hot, humid summers, lasting from April through October and mild, usually wet winters, with frequent days in the low 70's all through the winter season. The soil is sandy, with some delta effect from years of erosion up stream.

Problem

Stabilize and establish vegetation on bank of Intercoastal Waterway and area surrounding green. Slopes on waterway are about 65%, composed of sand, silt, and decomposed oyster shells, giving very little structural integrity or resistance to erosion to finished grade. Intermittent, heavy rain showers and thunderstorms are common in the fall and unprotected areas could result in extensive cost in repairing the greens, as well as environmental concerns along the waterway.

Solution

The area to be protected, a 2:1 slope approximately 220 feet long and 65 feet wide had SOIL GUARD applied at the rate of 4000 lbs per acre, with 50 lbs of brown top millet and 25 LB of hard fescue and 200 lbs of fertilizer per acre, supplied by TurfMaster Technologies, Pendleton, SC. The material was hose applied from a Finn 3000 Hydroseeder by A First Step Erosion Control of Pelzer, SC; long time Certified Soil Guard Applicators.

Result

At the time of application (9-12-99) the weather was hot (85 F), sunny, and clear. Excessive rainfall was expected later in the week from a hurricane off the coast. Adequate curing time was questionable. With in 34 hours of application (9-14-99) Hurricane Floyd struck the SC coast and dumped at least 24 inches of rain on the site in twenty-four hours. Site visits were impossible for four days and when the contractors were able to return to the site encountered washed out roads, bridges, flooding, and trees down. Expecting the worst they found the SOIL GUARD site intact and little effected by the torrential rains. There was only minimal visible washes, failures or rills on the treated area except for a break out caused by the rising water table on the waterway bank resulting in a collapse of the underlying soil. There was some washing noted in existing channels. Adjoining areas were severely damaged including sodded areas completely washed out.

Follow-Up Visit

October 5, 1999, three weeks after the hurricane and flooding a visit to the site showed 90% vegetation and complete matrix integrity.

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