J-11 Dry Dock Eval Form.docx

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Attached to
USNS COMFORT (T-AH 20) ROH/DD Solicitation
Solicitation number
N3220521R4225
Issued by

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This document contains a drydock evaluation form and solicitation for the upcoming Regular Overhaul and Drydocking (ROH/DD) of the USNS COMFORT (T-AH 20).

The drydock evaluation form provides ship characteristics for the USNS COMFORT including dimensions, tonnage, and draft requirements. It also details minimum blocking, services, safety response plans, and certifications required for shipyards bidding on the work. The solicitation seeks bids for the ROH/DD of the USNS COMFORT to be performed at a certified drydock meeting the specifications in the evaluation form. Interested vendors must have insurance, safety plans, and certifications. The award is to be made by the Department of the Navy's Military Sealift Command. The anticipated arrival draft and schedule are included.

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N3220520R6501 N3220521R4225

MSC DRYDOCK EVALUATION FORM

Ship name:
USNS COMFORT
Hull No:
T-AH 20

PART A (to be completed by MSC)

PART B (to be completed by ALL shipyards)

Drydock Certification / Classification Info

Shipyard name

Drydock No.

Drydock Type Graving |_| Floating |_| Marine Railway |_|

Certified? Yes |_| No |_|

Certifying / Classifying Agency

Certificate No.

Date of expiration

Ship Characteristics
English measure
Metric measure

Provide date in English and Metric Units:

Length, overall
894
ft -
0
In
272.49 m

Drydock Characteristics

Breadth, molded
105
ft -
9
In
32.3 m

Length, overall ft-in m

Draft, light load line
28
ft -
0
In
8.53 m

Breadth ft-in m

Gross Tonnage (U. S.)
54367
Tons

55237 MT

Displacement, Full Load
69360
LT

70470 MT

Maximum drydock lift capability

LT

MT

Minimum Displacement/Draft

Displacement
29,199
LT

29666 MT

Draft – forward
9
ft -
6
In
2.9 m

Maximum entry draft rating:

LT

MT

Draft – aft
19
ft -
5
In
5.9 m
Max stern trim for graving dock
N/A
ft -
0
In
M

Water depths around dock ft-in m area and approaches, tidal conditions, Anticipated Arrival Draft and any unusual conditions for entering/

Draft - forward
27
ft -
0
In
8.2 m

leaving the drydock.

Draft - aft
28
ft -
0
In
8.5 m

Depth Over Floor ft-in m

Positioning Clearances

Depth Over Blocks ft-in m

Bottom: keel to drydock floor
5
ft -
0
In
1.5 m

Depth Over Sill ft-in m

Side: hull to drydock wall
5
ft -
0
In
1.5 m

Depth Over KEEL ft-in m

Loading Pressures

Max block loading
23.79
Tons Per square ft.
232.31 ton per sq mtr

Note: All blocks to be positioned under longitudinal strength members and transverse bulkheads.

MSC DRYDOCK EVALUATION FORM (cont’d)

PART A (to be completed by MSC)

PART B (to be completed by ALL shipyards)

Max Block Loading Capability

Blocking Requirements

Block Capability

LT/ft2

LT/m2

Construction
Hard Wood

Keel & Side Block Information

Cap material
Soft Wood

Construction

Cap thickness (min)
2

5.08 cm

Cap Material

Side blocks (e.g., shaped, wedged, etc.)
Shaped

Cap Thickness in cm

Block Age

Hardwood: White Oak, California Laurel, Oregon Myrtle, Iron bark, Height ft-in m

Blue Gum, American Rock Elm or Preserved Red Oak.

Width ft-in m

Softwood: Douglas Fir, Tamarack, Long Leaf Pine or Hemlock

Length ft-in m

Minimum Required Services

Minimum Available Services

Electrical power

Electrical power

AC volts
450
VAC

AC volts

number of phases
3

number of phases

VAC

amperage (total)
4000
Amps

amperage (total)

frequency
60
Hz

frequency amps

number of lines
10

number of lines

Hz

Ground connections

Ground connections

number
2

number

cable size, each
500,000
cir mils

cable size, each cir mils

Sewage connections

Sewage connections

number
1

number

pipe size
4
inch ips

pipe size

capacity
60,000
gals per day
227,124.7 liters per day

capacity inch ips cm gal/day ltr/day

Fire Main

Fire Main

number of connections
2

number of connections

connection size
2 1/2
inch ips

connection size

pressure
150
Psig
10.5kg per sq cm

pressure inch ips cm

capacity
1,000
gals per min
3,785.41 liters per min

capacity psig kg/m2 gpm ltr/min

Aux Seawater

Aux Seawater

pressure
135
Psig
9.5kg per sq cm

pressure

capacity
3000
gals per min
11,356.24 liters per min

capacity psig kg/m2 gpm ltr/min

Fresh Water

Fresh Water

pressure
60
Psig
4.2kg per sq cm

pressure

capacity
100
gals per min
378liters per min

capacity psig kg/m2 gpm ltr/min

MSC DRYDOCK EVALUATION FORM (cont’d)

Compressed Air

Compressed Air

pressure
125
Psig
8.8kg per sq cm

pressure

capacity
300
cu ft per min
1,135 liters per min

capacity psig kg/m2 cfm ltr/min

Shore Steam

Shore Steam

pressure
150
psig
10.5 kg per sq cm

pressure

capacity
20,000
lbs per hour
2,722 kg per hour

capacity psig kg/m2 lb/hr kg/hr

High Pressure Water Wash pressure
3,000
psig
211kg per sq cm

High Pressure Water Wash pressure psig kg per sq cm

Safety Response Plans Required

Safety Response Plans Available (circle correct answer)

Firefighting
YesX
No|_|

Firefighting

Flooding (accidental)
YesX
No|_|
Flooding (accidental)
Yes
No
Earthquake
Yes|_|
NoX
Earthquake
Yes
No
Typhoon
Yes|_|
NoX
Typhoon
Yes
No

PART C (to be completed by Shipyard if drydock is not certified by IACS or under MIL STD 1625C)

Dockmaster info

Contractor name

Dockmaster name

Certifying Agency

Certificate No.

Years experience

Drydock Insurance Info

Is Drydock insured?
Yes |_|No |_|

Insurer

Policy No.

Amount Insured

Date of expiration

Attachment J – 11

ATTACHMENT J - 11

File details come from the government source that posted it. Updated .