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Appendix B Portsmouth Naval Shipyard

Crane Dimensions and Performance Requirements

Minimum Height of the Boom Heel Pin from Top of Crane Rail 60′

Minimum Vertical Clearance under Portal Base 22′

Minimum Vertical Clearance under Counter Weight 55’

Minimum Clearance between Portal Base Legs 14′

Maximum Portal Base Extended Outboard from Rail Center 2′-6″

Maximum Portal Base Extended Inboard from Rail Center 3′-0″

Tail Swing (maximum, from center of rotation) 30′

Minimum Clearance under Travel Truck above Top of Rail, both Inboard and

Outboard 3"

Maximum Allowable Wheel Load per Wheel (0% load, no impact) 68,000-lbs

Maximum Allowable Wheel Load per Wheel (100% load, no impact) 87,000-lbs

Maximum Allowable Wheel Load per Wheel (131.25% load, no impact) 120,000-lbs

Minimum Wheel Spacing from Center to Center 4′-0″

Maximum Truck end-to-end distance without bumper length 100′–0″

Table 1: Basic crane dimensions

Appendix B WO # 1561544

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Hook Loads and Reaches (from Center of Rotation)

Main Hoist Capacity

Note: Main hoist capacity shall be variably rated in between given loads

* Minimum radius shall not exceed this value Min. radius shall be optimized (reduced, if practical)

Capacity

(minimum) Reaches

280,000-lbs *60′ to 90′

120,000-lbs at 120′

Aux Hoist Straight Rated Capacity

* Minimum radius shall not exceed this value Min. radius shall be optimized (reduced, if practical)

60,000-lbs *70′ to 140′

Simultaneous Main and Aux Hoist Capacity

(used to rotate loads utilizing both hooks) 60,000 lbs

Main: *70’ to 140’

Hook Lifts Hook Height

(minimum) Radius

Minimum Main Hook Heights (from top of rail) 150′ at 90′

Main and Aux Hook Reach Below Top of Rail

(at minimum radius) 50′

Aux and Main Hooks Spacing

(at maximum radius) 20′

Table 2: Hook loads, reaches, and lifts

Appendix B WO # 1561544

Speeds

Main Hook High Speeds** (at rated load) 11 feet per minute

Main Hook High Speeds** (less than 10% of rated capacity) 22 feet per minute

Main Hoisting/Lowering Slow Speed*** (at rated load, max)

1 feet per minute

Aux Hook High Speeds** (at rated load) 50 feet per minute

Aux Hook High Speeds** (less than 10% of rated capacity)

100 feet per minute

Aux Hoisting/Lowering Slow Speed*** (at rated load, max)

1 feet per minute

Rotating High Speed (at rated load, max) ±10% 0.66 RPM

Rotating Slow Speed*** (at rated load, max) 0.01 RPM

Maximum Luffing Hoist Speed (at rated load, time from max to min radius)

5 min

Travel High Speed** (at rated load) 150 feet per minute

Travel Slow Speed*** (at rated load, max) 2 feet per minute

*** The slow speeds shall not exceed the values listed above.

** The high speeds shall be within +/- 10% of the values listed above.

Table 3: Hoist, rotate, and travel speeds

NOTE: All speeds listed in Table 3 are at rated load in operating wind unless otherwise noted.

Portsmouth Site-Specific Features Temperature Range -15° F - 110° F Relative Humidity Up to 100%

Hotel Power Connections (crane-mounted plug) Russell Stoll DS1504MP000 Shore Power Connections (crane-mounted plugs) Duraline E1023-1626

Duraline E1023-1630 Duraline E1023-1640

Table 4: Other Portsmouth Site-Specific Features

Appendix B WO # 1561544

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