Another option is
Lewis and Clark Class. This is much closer to RFP issued but comes from USA.
LEWIS and CLARK Class (T-AKE 1) :
Mission:
Deliver ammunition, provisions, stores, spare parts, potable water and petroleum products to carrier battle
groups and other naval forces, serving as a shuttle ship or station ship.
Principal Characteristics
Length Overall ...................................(689 ft.) 210.0M
Length between Perpendiculars.....(654.7 ft.) 199.55M
Beam, Molded................................(105.6 ft.) 32.2M
Draft, Design.....................................29.9 ft.) 9.12M
Draft, Scantling................................(31.2 ft.) 9.50M
Displacement at Design Draft......................41,000 MT
Speed and Endurance
• Design Speed—20 knots @ design draft and 80% propulsion MCR
• Range—14,000 NM @ design speed and draft Propulsion and Power Generation Plant
• Integrated propulsion and ship service electrical 6.6 kV distribution system
• Four FM/MAN B&W 9L and 8L 48/60 diesel generators with total installed power of 35.7 MW
• Twin synchronous, variable speed, reversible,double-wound, Alstom propulsion motors with brush/slip-ring excitation, each rated at 11,262bkW at 120 rpm and mounted in tandem
• Single fixed-pitch propeller Accommodations Berthing, messing and leisure and community spaces for a combined Military Sealift Command naval and civilian complement of 172, plus 25 spares.
Cargo Capacities
Dry cargo ..................................6,675 MT
Cargo fuel..................................3,242 MT (23,450 bbl)
Cargo potable water.....................200 MT (52,800 gal)