Fleet
Vessel Specifications
 
S/S CHEMICAL PIONEER

M/V HOUSTON

M/V CHARLESTON

M/V SEA VENTURE

ATB FREEPORT

ITB BALTIMORE

ITB MOBILE

ITB PHILADELPHIA

ITB NEW YORK

ATB GALVESTON

ATB BROWNSVILLE


Tank Diagrams
 
Tanker Diagram

ITB Vessel Diagram

ITB Tank Piping Diagram

M/V Houston Tank Diagrams

Sea Venture Tank Diagrams

Chemical Pioneer vessel diagram

Charleston vessel diagram

ATB Vessel Diagram


Photo Gallery
 
 Photo Gallery
 Select a USSL Vessels
 
   
     
 
ATB FREEPORT
Length Overall (ft.)
604’-04”
Barge521’-04”
Tug150’-00
Length Between Perpendiculars (ft.)  
Barge512’-04”
Tug150’-00
Beam Molded (ft.)
90’-01”
Barge72’-00
Tug46’-00
Depth Molded (ft.)
53’-06”
Barge41’-00” (42’-01” at CL with 1’-01” camber)
Tug

25’-08” (maximum Depth 27’-00”)

Loaded Draft - Summer (ft.) Extreme 28’-03.25"
Cargo/Slop (100%) Barrels/ Cubic Feet

145,952 bbls/819,456.8 cu ft

Keel to Highest Point (ft.)
84’-04”
Bow to Center Manifold (ft.)
274'
Stern to Center Manifold (ft.)
330'-03”
Keel to Manifold (Ft.)45'-06"
Rail to Manifold (Ft.)13'-00"
Speed and Consumption
13.5 kts @ 0.11 ton/mile (Total 38 MT HFO/Day)
Classification Hull, Machinery, Engine

ABS - +A, circle E Oil & Chemical (IMO II) Tank Barge UWLID, Unmanned, Unrestricted Ocean Service, SH (SafeHull), DH (Double Hull) and; Towing Service A1, AMS, ACCU, UWILD

Port of Registry 
Chemical TransporterWilmington, DE
FreeportWilmington, DE
Builder
TugSENESCO/Mount Hope, Marine Terminal, Portsmouth, RI
BargeBethlehem Steel LLP, Baltimore, MD
Delivery Date
9/1/1985
Chemical Transporter7/07
Freeport7/07
Hull Number 
ATB Freeport318/046
Deadweight Tonnage (LT)

19,999 LT

Lightweight Tonnage (LT.)
Burge4,648 LT
Tug1,349.29
Displacement Tonnage (LT.)
 
Burge24,334.62 LT
Tug 
  
Draft (ft.)  
Tropical Fresh 
Fresh 
Tropical 
Summer

28’-03.25"

Winter 
Ballast (40%)

15’-09.41”

  

Draft (Light Ship) (Ft.)

TUGBurge
Forward

22’-06'

3.40'
Mean22’-06'

6.38'

Aft22’-06'

8.21'

  
Freeboard (Summer/SW) (Ft.):

12'-08.75"

  
Registered TonnageTUGBurge
International Gross 1,384 L/T10,823 L/T
International Net

404 L/T

7,394 L/T
Suez Gross L/TL/T
Suez Net L/TL/T
Panama Net

L/T

L/T
U.S. Gross

1,284 L/T

9,726 L/T
U.S. Net 848 L/T9,726 L/T
  
Main Propulsion 
Type

Medium Speed Diesel (2 ea)

Mfg.Wartsila 9L32
NSHP

6034BHP @ 750 RPM (Ea. Shaft)

GearWartsila Gear (SCV85-P51)
Vertical Offset Ratio 2.4:1
  
Cargo Pumps 
ManufacturerFramo Single Stage Submersible
Type

Single Stage Submersible

Driver2 Hydraulic Power Packs Driven By 2 Cummins Diesels
1 Electrical Driven Power Pack
Total Capacity

Total Hydraulic Capacity 1300 GPM

TW/HR5028 BPH (each) at 255 GPM Hydraulic Usage
Head420 FT
Number

10

  
 
Cargo Block Particulars
Segregations: 10
SegregationsTanks

Seg Capacity(98% Gross bbls)

Pipeline Capacity (Gross bbls)
1 1 (P)15,777
2 1 (S)15,777
3 2 (P)13,700
42 (S)13,700
5 3 (P)13,700
6 3 (S)13,700
7 4 (P)13,700
8 4 (S)13,700
9 5 (P)14,352
105 (S)14,352
 
Note:   Segregation pipeline volumes are measured from the hose connection to the respective tank(s) and across the manifold to the valve on the opposite side from the hose connection.
 
Inert Gas System
Nitrogen Generator
ManufacturerAir Products
Capacity1500 NCFM/hr