Aton

Question 1

what are the lighted buoy attributes?
L
R
B
G
W
H
I
C
N
F

Answer 1

lighted
radar reflector
bell
gong
whistle
horn
ice
can shaped rr
nun shaped rr
foam

Question 2

what is an 8x26LWR

Answer 2

8 foot diameter, 26 foot long whistle radar reflector

Question 3

Buoy Serial Numbers.

what is 8-93-11-xx?

Answer 3

Buoy 8-93-11-XX is an 8X26LR. Built in 1993, it was the 11th buoy built by contractor XX.

Question 4

what (5th class) are marked with the year built and manufacturer’s code.

Answer 4

Plastic unlighted buoys

Question 5

what (4th, 5th, and 6th class) and fast water foam buoys are marked with the buoy class, year built, and manufacturer’s code.

Answer 5

Unlighted foam buoys

Question 6

what (4th and 6th class) are marked with the year built and the manufacturer’s code.

Answer 6

Steel river buoys

Question 7

what discrepancy buoys are marked with the year built and the manufacturer’s code.

Answer 7

Lighted plastic

Question 8

Name all the buoy type sizes?

Answer 8

9X35LWR, 9X32LR, 9X20BR/GR 8X26LR/LWR 8X21LR

7X20LI 7X17LR 6X20LR 5X11LR 5X9LFR 3 1/2X8LR

Question 9

how many classes of unlighted buoys are there?

Answer 9

1-6 class meaning that one is the biggest and down

Question 10

New buoys are fabricated by commercial contractors in accordance with Commandant (G-SEC-2) specifications, and must be accompanied with what form? and what must you check for?

Answer 10

DD-250 shipping document(s) must accompany buoy shipments. Ensure that the types, colors, and quantities of the buoys shipped agree with the DD-250. Check for damage that may have occurred during shipment. Contact Commandant (G-SEC-2) immediately if a buoy is damaged.

Question 11

what must be done prior to delivery in accordance with paragraph 2.E.4.m.(1) before delivery to the servicing unit, and who do you contact if the air test fails?

Answer 11

Air test must be complete and Commandant (G-sec-2) must be contacted

Question 12

When a buoy cannot be economically repaired and upgraded within the Labor Hour Limits of Table 2-10, it shall be surveyed. A Category II nonstandard buoy that cannot be economically repaired and upgraded to a Category I buoy shall also be ?

Answer 12

Survey of steel buoys

Question 13

Be aware that combustible gases could be present in the buoy hull. Before beginning any work on the buoy, the hull shall be tested for combustible gases using a combustible gas monitor or explosive meter. Insert the probe from the meter into the buoy body air test fitting.

Answer 13

gas free testing

Question 14

40. How many Loading Zones are on the 26’ TANB and what are their capacities?

Answer 14

one loading zone and max weight is 500lbs or two 250lb trubs

Question 15

What do you know about the WLI- Buoy Tender Inland?

Answer 15

65’ no barge, no spuds, twin screw, Draft 5’ 5” flat bottom ideal for working shallow bays & inlets, commissioned in 1954 crew of 8; no cook (ELDERBERRY Petersburg AK, BAYBERRY Oak Isl, NC) Hydraulic crane 4k WLL

Question 16

75’tender pushes either a 68’or 84’ barge, all have spuds, commissioned 1962-1965, crew of 16 including CS. CG-300 crane 18k WLL

Answer 16

WLIC- Inland Construction Tender

Question 17

65’ & 75’ push barges of 90’, 99’ or 130’ in length, all have spuds. 65’ commissioned 1960-62, 75’ commissioned 1964-1970, 1990. Crew of 15 including FS

Answer 17

WLR- River Buoy Tender,

Question 18

Are buoys on the Western Rivers set on assigned positions?

Answer 18

No, The Western Rivers Marking System reflects the unique environmental conditions that characterize these waterways: constantly shifting channels due to shoaling, current, and changes in river stage levels. Consequently, it is not practical to establish permanent buoy positions marking the navigable channel nor is it feasible to account for floating aids in the conventional sense. The Western Rivers Marking System concept places a great deal of responsibility on the ATON units to position floating aids to meet the changing river conditions based on a continuing assessment of the river to ensure that the best water is marked. Constantly changing river conditions prevent more strict design guidelines. Unit Commanding Officers must use their best judgment concerning the number and placement of aids.

Question 19

What is Pooled water?

Answer 19

Where river levels are controlled by the Army Corps of Engineers through Locks and Dams. The Ohio, Tennessee, Cumberland, Illinois, Arkansas, and Upper Mississippi (above St. Louis) River levels are controlled by the Army Corps of Engineers. The water levels are relatively stable and buoys seldom move. The buoys are set using sinkers with wire rope or chain moorings

Question 20

What is Fast water?

Answer 20

On the Mississippi River below St. Louis and the Missouri River, due to the wide range of water levels and changing conditions, the position of both buoys and day boards may change. Crossing day boards are used to mark the channel as it moves from one bank to the other and buoys are set using sinkers with wire rope

Question 21

What buoy types will you find on the Western Rivers?

Answer 21

Unlighted 6CT/6NT, 6CR/6NR, 4CR/4NR unique characteristics? Foam Filled, Fin stabilized to remain upright in swift current. Lighted 3 ½x8 LR, 5x9

Question 22

What is a Jet pipe?

Answer 22

A jet pipe is a device that uses water pressure to force a cone connected to a wire rope mooring into the bottom to hold the buoy on station. Typically used on the Missouri River in areas with a soft bottom

Question 23

What is a dump board?

Answer 23

A device used to deploy mooring sinkers. The dump board allows a single person to deploy a sinker because of the lever action and pivot pin.

Question 24

what are flanking rudders

Answer 24

All of the 75‟ WLRs and some 65‟ WLRs have flanking rudders in place. Flanking rudders are a pair of rudders installed forward of the screw, used for maneuvering when the propellers are turning a stern regardless of the direction of actual movement of the towboat. Flanking rudders are also called backing rudders

Question 25

Describe hazards your crew may encounter when working shore aids. Are herbicides authorized for use?

Answer 25

(brushing, climbing, poisonous plants)? Herbicides are liquids that kill plants.

Question 26

What is fixity

Answer 26

When a pile penetrates the seabed to a depth where the pile will be adequately supported by the surrounding soil enabling it to resist applied overloading lateral forces to the point of structure failure.

Question 27

What is refusal

Answer 27

When a pile has been driven to the point where 20 blows from a diesel hammer fails to drive the pile more than an average of 1/8 inch per blow.

Question 28

What do you do when you cannot achieve fixity?

Answer 28

When the penetration required for fixity cannot be achieved, it may be necessary to use a multiple-pile structure. Multiple piles should also be used when there is a need to reduce vibration.

Question 29

Structure knockdown/Recovery ops: How do you locate wreckage?

Answer 29

Visually piles broke off above water line, wire sweep, sonar, divers.

Question 30

What is a wire sweep? When would you perform? What is the purpose?

Answer 30

To locate sunken wreckage (tower, piles) mark with a TRUB to facilitate recovery by tender

Question 31

What is the most critical part of a waterborne fixed steel structure to inspect?

Answer 31

Splash Zone and at the extreme low water level.

Question 32

What does MPW mean in regards to ATON structures

Answer 32

Multi Pile Wood

Question 33

What crane type is on all WLIC class cutters?

Answer 33

CG-300 Lattice boom crane

Question 34

What is the main tool used to drive piles?

Answer 34

Diesel powered pile driving hammer, either the DELMAG model D-6 or PILECO model D6-42 Ref