Retaining Wall

Jack Nicklaus Island Green

Timber Bulkhead

The Project

Built to Hold Its Ground for Decades

An island green is one of golf's most demanding design statements — and one of its most structurally unforgiving. Surrounded by water on all sides, the green's perimeter must resist constant hydrostatic pressure, wake from maintenance vessels, seasonal water level fluctuation, and the slow, relentless movement of Florida's sandy soil. When Nicklaus Design selected us for the bulkhead work at their Jupiter facility in 1999, the brief was simple: build it so it never needs to be rebuilt.

Mark assessed the site during the course's construction phase. The island green configuration required a continuous timber bulkhead around the full perimeter — no breaks, no sections with different structural logic. Every timber, every deadman anchor, every tie rod had to be engineered as part of a single unified wall that would hold through decades of Florida weather.

"An island green doesn't give you anywhere to hide a weak point. The water finds every seam. We built this one like it was meant to outlast everyone who'd ever play the hole."

Southern Yellow Pine was selected for its density, nail-holding strength, and proven performance in Florida's freshwater and brackish conditions. All timber was CCA-treated to ground-contact standards — the specification standard of the era, and still among the most durable treatment systems for timber bulkhead applications.

The bulkhead has been in continuous service since 1999. Now over 25 years standing, it remains structurally sound — a testament to proper specification, correct treatment, and construction that didn't cut corners on the details no one would ever see once the green was sodded.

Project Specifications

Location

Jupiter, FL

Type

Timber Bulkhead

Client

Nicklaus Design

Configuration

Island Green — 360°

Primary Wood

Southern Yellow Pine

Treatment

CCA — Ground Contact

Anchoring

Deadman & Tie Rods

Context

Golf Course — Water Hazard

Completed

1999

In Service

25+ Years

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Project Photos

Credentials

Materials & Construction

Every element selected for wetland durability, NPS standards compliance, and long-term service life.

Primary Structure

Southern Yellow Pine

High-density SYP sheeting and waler system — superior nail-holding strength in saturated soil

Decking

CCA — Ground Contact

Chromated copper arsenate — industry standard for timber bulkhead longevity in 1999, still holding

Load Rating

Deadman System

Timber deadmen and galvanized tie rods set in undisturbed soil behind the bulkhead face

Foundation

Hot-Dip Galvanized

All fasteners and connectors galvanized for saltwater-adjacent, high-humidity Florida conditions

Feature

25+ Years

Structural inspection confirms original bulkhead remains sound — no rebuild required

Additional Services

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