Semco
Marine Construction &
Engineering
320 CLASS LIFTBOAT SPECIFICATIONS
Leg Length ...................................... 320 Feet (97.53 Meters)
 
Max Working Water Depth ............. 250 Feet (76.2 Meters)
 
Primary Cranes .............................. 2 (Leg Mounted)
 
Primary Crane Capacity (Each) .... 325 S/T @ 55 Feet (294.84 mT @ 16.76 Meters)
 
Personnel Capacity ....................... 100 (148 Optional)
 
Deck Space ................................... 13,300 FT^2 (1,254 M^2)
 
Total Variable Load ........................ 1.5 Million Lbs (680.39 mT)
 
Total Length ................................... 273' 6" (83.36 Meters) Including Heliport & Pads
 
Beam ............................................. 120' (36.57 Meters) Including Pads
 
Hull Depth ...................................... 14' (4.27 Meters)
 
Draft ............................................... 10' (3.048 Meters)
 
Main Propulsion ............................. 2 ea. AC Electric Motors; 4600 Total HP
 
Service Power ............................... 4 Generators for a Total of 7000 EKW
 
Emergency Generator ................... 1 Generator at 250 EKW
 
Bow Thruster ................................. 1 Omega Thruster, 800 KW (Apx. 1000 HP)
 
Heliport ........................................... 1 Bell 212 (Also Designed to Meet CAP 437
                                                   186 Jean Lafitte BLVD Lafitte, LA 70067 - Telephone: (504) 689-2054 - Fax: (504) 689-2048
 
 Email:
 
operations@semcollc.com
deep_water_liftboats008008.jpg deep_water_liftboats008007.jpg deep_water_liftboats008006.jpg deep_water_liftboats008005.jpg deep_water_liftboats008004.jpg deep_water_liftboats008003.jpg deep_water_liftboats008002.jpg deep_water_liftboats002001.jpg