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Basin Renovation
The crumbling riprap walls of the basin, constructed back in 1985, are being replaced with what is expected to be a more durable structure. Dates of the photos appear immediately under each picture.
Date(s): Jan-Apr 2016. Album by Albacore. Photos by Various. 1 - 24 of 116 Total. 3262 Visits.
Start SlideshowTo order prints and photo-products: 1. Select photos. 2. Click Order. 3. Select products.Next 24 | Show all 
Enlarge photo 1
1
Artist Rendering. Edit
An artist's representation of what the finished basin will look like. Edit

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01-12-16 (3) Edit
Ground breaking on 12 January. Note that fencing has previously been removed for unfettered access to the basin. Edit

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01-12-16 (1) Edit
Heat blankets have been laid to keep the ground from freezing during construction. Edit

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01-13-16 (3) Edit
Locating the place to excavate for the placement of the sump pit. Edit

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01-13-16 (6) Edit
The sump pit is a key element of the new basin structure. Edit

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01-19-16 (6) Edit
Exploratory excavation alongside the port side of the aft cradle to determine if the cradle and marine railway structures are integrated. Edit

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01-20-16 (2) Edit
Excavation of the dewatering sump and exploratory location of bed rock to see if any bed rock needs to be removed. Edit

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01-20-16 (5) Edit
A closer view of the sump/explorative excavation. Edit

Enlarge photo 9
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01-20-16 (6) Edit
Excavation of the dewatering sump. Edit

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10
Sump Pit Excavation 1 Edit
Location of the sump has been moved from the original position to stay away from the propellers and to be closer to the sewer line that runs thru the park grounds. Edit

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Sump Pit Excavation 2 Edit
The sump will be the lowest point in the basin and will receive drainage from inside and outside the basin walls. Edit

Enlarge photo 12
12
Sump Pit Excavation 3 Edit
Measuring the depth of the sump pit to ensure it will be the low point of the basin. Edit

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image001.png Edit
This is a sketch of the prefabricate concrete sump to be installed on the port side aft end of the basin. Edit

Enlarge Microsoft PowerPoint Presentation 14
PPT14
Dewatering Sump & drainage sketch.pptx Edit
The dewatering sump is a key part of the 'new' basin and it's location is critical for success in removing accumulated water. Edit

Enlarge photo 15
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01-20-16 (7) Edit
Toe-Wall blocks waiting for installation. Edit

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01-21-16 (2) Edit
Partially excavated aft side of the aft cradle. Edit

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01-21-16 (3) Edit
The aft port lower control surface is completely exposed for the first time in 26 years. Edit

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01-26-16 (7) Edit
Close up of the partially excavated aft cradle. There is a question about the structural stability of the cradle. Specifically, what lies under the cradle - solid bedrock or a shale-like material. Edit

Enlarge photo 19
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01-27-16 (1) Edit
Installation of the de-watering catch basin/sump. Edit

Enlarge photo 20
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2016 [01-26] (1) Edit
Measuring the depth of the basin aft of the dewatering sump. Edit

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2016 [01-26] (2) Edit
Ice, mud and crud around the sump. Edit

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22
2016 [02-02] (3) Edit
Lower starboard fin almost free of rip rap and other debris. Edit

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2016 [02-02] (5) Edit
Looking forward from aft of the lower starboard control fin. Note large amount of rip rap that has slid into the lower portion of the basin. Edit

Enlarge photo 24
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2016 [02-02] (2) Edit
Looking forward toward the aft cradle. Note less than solid rock appearing material under the cradle. Edit

 Continued ...
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  Sign the Guestbook. Displaying 4 of 4 entries.
Thank You to All involved in the renovation of the Basin an to Those who work tirelessly to maintain Albacore and Her place in our history.   Salute to Each and Every One of You!      Coyote. EN2 (ss)
 - 
Jim Knowles, Fri, 6 May 2016 8:47PM
Thanks for sharing your excavation work with us. It has been 20 years since I last visited. So I am looking forward to May when you will reopen.
 - 
Mario DeArco, Fri, 29 Apr 2016 5:01PM
keep up the good work
 - 
Tom Karp, Mon, 7 Mar 2016 1:42PM
Thanks to PSMA Maintenance Manager Jim Wakefield for providing periodic photographs and explanations of what is happening with the basin renovation project.
 - 
Jack Hunter, Sat, 23 Jan 2016 7:44PM
 
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