getting gravel

Town Dock Resurfacing at Great Cranberry Island, Maine

Great Cranberry Island, June 1, 1999 --   Foreman Greg Holden and two co-workers from Intercoastal Marine Transport, Inc. of South Portland today began work on the Town Dock resurfacing project. The $43,800 project is expected to be completed by July 4th.

Richard Beal, the Great Cranberry Harbormaster, was all smiles as he watched workers rip out large sections of asphalt from the old dock and haul them away -- along with their perennial potholes.

The project aims to replace only the asphalt middle section of the Town Dock, which is built up over rectangular stones the size of small refrigerators. The wooden shore end, and the far end made of flat reinforced cement sections -- both held up by telephone-pole-size wooden logs -- will not be affected.

As the Town Dock is not fit for traffic during the work, Harbormaster Beal asks captains to land passengers and goods at the private dock by the Post Office, where the Town has arranged for temporary landing rights. However, vessels may not permanently moor there, but must use their normal mooring points.

Some grumbling at the alternate dock arrangement has been heard from Beal and Bunker Mail Boat regulars. The substitute dock is too narrow to drive a car down close to the float, so baggage and groceries must be hauled the length of the dock to the parking lot.

affected area


dock on June 1

June 1, 1999 - FIRST DAY
This is the dock after the first day of work. The subgrade has been prepared by scraping away the asphalt.


dock on June 3

June 3, 1999 - THIRD DAY
Now a black plastic mesh is fitted above the subgrade, and fine gravel fill has been applied and leveled. The plastic mesh prevents the fill from falling through crevices between the foundation stones below.

The bed is now ready for rebar (steel reinforcing bars) to be placed. Next, concrete will be pumped up from a cement truck on a barge, thus creating one solid surface. Foreman Holden reckons two truckfuls will be sufficient.

The top level of the poured concrete section will be several inches higher than the existing wooden and concrete surfaces on either end, and this difference in level will be bridged by diamond-stamped steel ramps on both ends.


dock on June 10

support pole tops June 10, 1999 - TENTH DAY
Now the rebar is laid on the finish base. Also, the carpenter has applied fiberglass to the tops of all the support poles, to protect them from weathering.


dock on June 13

June 13, 1999 - THIRTEENTH DAY
The cement was poured yesterday and is dry today. I walked on it before taking this photo.

I was wrong about the surface level -- the workers managed to make the new surface the same level as the adjoining surfaces on both ends, so no transition ramps will be needed. Great!

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