DD1000
	Type:: 1000 Ton Dry Dock Dimensions (LxWxD): 160'x70'x5' Draft Loaded: 16' Pricing: $1,650,000
	Length Overall (LOA) 160’ Breadth 70’ Depth 5’ Wing wall height 16’ Distance between wing walls 62’ Capacity at 1’ of freeboard 1,250 tons 8 outboard tanks, four on the port and four on the starboard side 1. 37’ 6” x 30’ x 5’ ii. 4 center tanks 1. 37’ 6” x 10’ x 5’ iii. 3 forward rake voids iv. 8 wing wall tanks, four on each side, 16’ x 4’ x 30’ c. Mechanical i. Pumps 1. 8 of 8” ABS brand submersible pumps, 21 hp, 220 volts, 3 phase and with a pumping capacity of x gallons per minute 1. 8 of 12” butterfly valves to flood the 8 outboard tanks 2. 9 of 8” butterfly valves for internal transfers iii. Pneumatic 1. 17 ASCO brand pneumatic valve actuators d. Electrical i. One main breaker panel consisting of 1. 8 of 100 amp circuit breakers for the pumps 2. 1 of 100 amp circuit breaker for pneumatic controls 3. 1 spare for house lights ii. Main pump switch panel 1. 8 on and off switches 2. 8 magnetic switches iii. Main valve switch panel 1. 17 open or closed selector switches e. Layout i. Deck layout - The main deck is laid out with four outboard tanks on either side and 4 center tanks. Each outboard tank has 18” two cross bar manholes. The 4 center tanks have one 18” cross bar manholes. Kevel chocks are located on either side of the bow and stern. Two towing pads are located on the bow and one additional kevel chock I located amidships on the stern. ii. Wing wall lay out – 1. Wing walls are 4 feet wide and are accessible by stairs at either end. 2. Both wing walls are comprised of 4 wing wall tanks with access from the top via one 18” cross bar man hole per tank and one 18” x 23” raised flange bolt on manholes on the main deck approximately 2 feet from the bottom of the wing wall. 3. Both wing walls are equipped with two 50 ton mooring winches and 5 mooring buttons. 4. Two tank vents per tank protrude from the wing walls. 5. The port wing wall has the control station on the top, and the shore power and the pneumatic hook up. 6. The port wing wall has a 10’ x 8’ opening to access the pier. f. Construction i. The drydock is transversely framed ii. Frame spacing is 24” iii. Each tank is laid out as follows 1. Forward tank bulkhead 2. 3 transverse stringers of 3” x 10”’ x 5/16” 3. 1 intermediate bulkhead 4. 3 transverse stringers same 5. 1 intermediate bulkhead 6. 3 transverse stringers 7. Aft tank bulkhead 8. Every transverse stringer has vertical deck supports of 3” x 5” x 5/16” every 8 feet 9. Every vertical deck support has two additional 3” x 5” angles set at 45 degrees supporting the vertical deck supports welded on to gussets on the top and bottom. iv. The steel utilized for construction is A 36 grade v. Main deck 3/8” vi. Bulkheads, side shell, frames, bottom 5/16” g. Location i. The dock is moored port side to the pier. ii. The pier provides the shore side support area and is 300’ x 50’ iii. The pier was constructed by the US Navy’s Bureau of Yards and Dock in 1940 as a drydock outfitting pier. iv. The pier was designed for the operation of a 300 ton rail mounted yard derrick to support a naval drydock and thus has a substantial cargo and crane capacity. h. Blocking i. The dock is set up for either 1 foot or 3½ foot keel blocks. ii. Bilge blocks are made to specifications iii. Two sliding bilge blocks are located on either side. Measurements are approximate and all information is subject to change.

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