Underwater Facilities Inspections and Assessments at Naval Magazine, Subic Bay; Naval Station, Subic Bay; Naval Air Station, Cubi Pt. Phillipines
Underwater Facilities Inspections and Assessments at Naval Magazine, Subic Bay; Naval Station, Subic Bay; Naval Air Station, Cubi Pt. Phillipines

Author: NAVAL FACILITIES ENGINEERING COMMAND WASHINGTON DC CHESAPEAKE DIV.

Publisher:

Published: 1980

Total Pages: 257

ISBN-13:

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The underwater inspections reported herein were performed by Underwater Construction Team Two (UCT-2) at the request of and with funding from the Underwater Inspection Program managed by Naval Facilities Engineering Command, Chesapeake Division, Code FPO-1. This program is part of the Specialized Inspection Program initiated in FY 80 and directed by the Naval Facilities Engineering Command, (NAVFACENGCOM), Code 100 office. This centrally funded program establishes within NAVFACENGCOM the capability for coordinating all Navy efforts to inspect and assess the underwater condition of the Navy's major waterfront facilities. The UCT-2 inspections were planned by FPO-1 as part of the Underwater Inspection Program. However, FPO-1 manpower limitations prevented the desired monitoring and integration of these inspections into the program, thus the inspection data was not recorded and reported in the manner established for the program. The underwater inspection report included herein is as received from UCT-2 with the addition by FPO-1 of twelve maps, sketches and pictures of each of the wharfs inspected and of the Subic Bay area. Keywords: Docks, Pile structures.

Underwater Facilities Inspections and Assessments at Naval Air Station, New Orleans, Louisiana
Underwater Facilities Inspections and Assessments at Naval Air Station, New Orleans, Louisiana

Author: OGLETREE ENGINEERING INC CORPUS CHRISTI TX.

Publisher:

Published: 1985

Total Pages: 51

ISBN-13:

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The objective of this inspection was to generate a baseline underwater condition survey of Fuel Wharf 128 at the Naval Air Station, New Orleans, Louisiana. Underwater, the pier was in very good condition. No significant deterioration was detected at any piles or connecting hardware. Some submerged horizontal bracing exhibited a softened condition but not general or severe weakness. Above the waterline, fungal decay was present in numerous locations but the overall structural integrity was not significantly impaired, considering the heavy construction and relatively light loading conditions. Recommended maintenance includes replacement of missing fender members and replacement of approximately 30% of the timber deck. Areas revealed during deck replacement should be examined for hidden decay, and moisture traps should be omitted. Other deteriorated framing members (bracing, caps, and stringers) should be spliced or replaced. Top rot in timber piles should be treated to prevent further deterioration and reinforce weakened upper connections. (Author).

Underwater Facilities Inspections and Assessments at Naval Air Station, North Island, San Diego, California
Underwater Facilities Inspections and Assessments at Naval Air Station, North Island, San Diego, California

Author: BLAYLOCK-WILLIS AND ASSOCIATES SAN DIEGO CA.

Publisher:

Published: 1984

Total Pages: 163

ISBN-13:

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An underwater facilities inspection was made of certain facilities at the North Island Naval Air Station, San Diego, California during the period July 20 to August 25, 1984. The assessed facilities were: The Old Air Station Bulkhead, The Carrier Quay Wall or Bulkhead, Pier Bravo, and Pier J/K. A condition of moderate to severe sulphate deterioration of the concrete was found in the piling to such an extent that is is recommended that the pier live load be restricted to 100 psf (pounds per square foot) and truck cranes in excess of 15 tons be prohibited. The pier is adequately supported against earthquake forces (as defined in NavFac P-355) applied perpendicular to its principal axis. However, the piles would not be expected to support the pier in the event of earthquake forces applied parallel to the principal axis.

Underwater Facilities Inspections and Assessments at Naval Station, Mayport, Florida
Underwater Facilities Inspections and Assessments at Naval Station, Mayport, Florida

Author: CHILDS ENGINEERING CORP MEDFIELD MA.

Publisher:

Published: 1980

Total Pages: 133

ISBN-13:

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The objective of the underwater facility assessment is to provide a generalized structural condition report of selected facilities within the activity. The facilities are Carrier Berth C-1, Carrier Berth C-2, the Bulkhead East of Carrier Berth C-2, Bravo Wharves B-1, B-2 and B-3, Destroyer Berths D-1, D-2, D-3 and D-4 and the Small Craft Berth. Each facility was inspected by a team of engineer/divers using a combination of visual/tactile and ultrasonic techniques. Critical elements were photo-documented. All facilities inspected appear to be in fair to good condition. No facility was observed to have advanced structural deterioration or damage such that its structural capacity or function should be downgraded. All facilities inspected exhibited some degree of corrosion. Generally the amount of corrosion observed was directly proportional to age. However, Carrier Berth C-1 experienced some localized high corrosive activity.

Underwater Facilities Inspections and Assessments at Piers 2, 7 and 9 U.S. Naval Station, San Diego, California
Underwater Facilities Inspections and Assessments at Piers 2, 7 and 9 U.S. Naval Station, San Diego, California

Author: BLAYLOCK-WILLIS AND ASSOCIATES SAN DIEGO CA.

Publisher:

Published: 1984

Total Pages: 91

ISBN-13:

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An inspection was made of three facilities belonging to the Naval Station, San Diego, California during the period August 21 and September 11, 1984. The principal object was to provide that quality of inspection that would allow the engineer inspectors/divers to assess the general physical condition of the piling of the Piers inspected using non-destructive techniques. Typical and critical elements were photographed.

Underwater Facilities Inspection and Assessment at Magnetic Silencing Facility, Naval Submarine Base, Trident Support Site, Bangor, Washington
Underwater Facilities Inspection and Assessment at Magnetic Silencing Facility, Naval Submarine Base, Trident Support Site, Bangor, Washington

Author: AGI (J) AND ASSOCIATES INC SEATTLE WA.

Publisher:

Published: 1980

Total Pages: 94

ISBN-13:

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The objective of the underwater facility assessment conducted at the naval submarine Base, Bangor, Washington, is to assess the physical condition and repairability of the structural members supporting the Magnetic Silencing Facility, also known as the Deperming Pier, at the Naval Submarine Base, Bangor, Wshington. The Level II inspection procedure carried out was designed to insure the acquisition of sufficiently detailed data related to the internal structural integrity of each pile inspected as the enable determinations to be made of the overall bearing capacity and lateral stability of the pier. The current inspections covered 407 piling (60% of the total of 650 piling in the facility) throughout the structure including the Access Trestle, Header pier and East. and West Piers. All Examined piling, with the exception of three piles in the West Pier, were ound to be in excellent condition.

Underwater Facilities Inspections and Assessments at Naval Air Station, Whidbey Island, Oak Harbor, Washington
Underwater Facilities Inspections and Assessments at Naval Air Station, Whidbey Island, Oak Harbor, Washington

Author: CHILDS ENGINEERING CORP MEDFIELD MA.

Publisher:

Published: 1983

Total Pages: 70

ISBN-13:

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Each facility was inspected by a team of Engineer/Divers using primarily visual and tactile inspection techniques. Typical and critical conditions were photo-documented. The majority of the facilities exhibited some major structural damage. This damage is either the result of impact damage or marine borer attack. Repair of the damaged structural piles is of primary importance. The Fuel Pier is generally in good condition. No reduction of pier capacity is recommended. The major structural anomaly is the damage of two piles in the berthing dolphin associated with the pier. The Main Pier is in fair condition. Localized structural damage has reduced the pier's live-load capacity. The Boat House is in fair condition. Marine borer attack has rendered several piles structurally deficient. The Runway Approach Lights and the Pumping Station Pier facilities are in good condition with no significant structural anomalies noted. The observed marine borer attack is a serious problem for the timber pile-supported structures. The presence of the borers indicates that the preservative treatment may have lost its effectiveness. Piles in the Fuel Pier, Main Pier and Boat House should be protected from further borer attack by wrapping the piles in protective plastic jackets.

Underwater Facilities Inspections and Assessments at Naval Air Station, North Island Naval Supply Center, San Diego, California
Underwater Facilities Inspections and Assessments at Naval Air Station, North Island Naval Supply Center, San Diego, California

Author: NAVAL FACILITIES ENGINEERING COMMAND WASHINGTON DC CHESAPEAKE DIV.

Publisher:

Published: 1980

Total Pages: 69

ISBN-13:

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Lima Quay Wall Inspection Summary: The quay wall is constructed of concrete sheet piles, and consists of 3400 lineal feet in addition to the east end. The inspection was referenced to NAVFAC drawing 1343552. The quay wall is in good condition. Heavy marine growth approximately three inches thick was evident from the mud line to the low water mark throughout the length of the wall. (Marine growth consisted primarily of barnacles, mussels and scallops.) Fill material was washing out behind the wall in several noted locations. J-K Pier: Half of the piles on J-K pier were spot inspected (at least four places on each) for a total of 300 piles. Spot inspection was required due to heavy marine growth on the piles. Of the 300 piles inspected 168 have sustained minor to moderate damage. The pier is still considered serviceable but requires major work soon to remain serviceable. The minor damage consisted of small cracks and the moderate damage from cracks 1/2 to 3/4 inch deep and up to 20 feet long. Upon cleaning the piles bankia and torpedos were often present. Age and marine growth have caused spalling and generally softened the concrete. A more thorough inspection would require extensive cleaning. Under the pier, above the waterling were several areas with exposed rebar. Improper preparation of the area to be repaired is a probable cause of the extensive spalling of these ganite repairs. NAVFAC drawing numbers 6003915 and 6003918 germane. Photos showing some of the damage are attached as enclosure (3).

Underwater Facilities Inspections and Assessments: Pier J/K North Island Naval Air Station, San Diego, California
Underwater Facilities Inspections and Assessments: Pier J/K North Island Naval Air Station, San Diego, California

Author: BLAYLOCK-WILLIS AND ASSOCIATES SAN DIEGO CA.

Publisher:

Published: 1981

Total Pages: 97

ISBN-13:

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An underwater inspection of Pier J/K at the naval Air Station, North Island, San Diego, California was conducted between June 15, and August 28, 1981. The object was to provide that quality of inspection that would allow the engineer diver to assess the general physical condition of the piling supporting the pier. All of the 791 concrete piles were observed in their entire lengths. Ninety of those piles were cleaned by commercial divers for closer inspection.