Submarine Construction and Design Guide – Technical Specifications

Hull Structure

Pressure Hull

Component	Material	Thickness (mm)	Test Pressure
Main Hull	HY-80/100 Steel	30-50	1.5x operating
End Caps	HY-100 Steel	40-60	1.5x operating
Frame Rings	HY-80 Steel	50-70	Structural
Penetrations	Special alloy	Design specific	2.0x operating
Welds	X-ray quality	100% inspection	Ultrasonic test

Dimensional Specifications

Basic Dimensions

Parameter	Attack Sub	Ballistic Sub	Notes
Length	100-120m	160-180m	Overall
Beam	10-12m	13-15m	Maximum
Draft	8-10m	11-13m	Surfaced
Displacement	6,000-8,000t	16,000-20,000t	Submerged
Test Depth	300m+	300m+	Design depth

Propulsion Systems

Nuclear Power Plant

Component	Power Output	Cooling	Safety Systems
Reactor	150-200 MW	Primary loop	Triple redundant
Steam Generator	70-90 MW	Secondary loop	Dual system
Turbines	35-45 MW	Condensers	Emergency backup
Emergency Drive	5-10 MW	Independent	Battery backup

Electric Systems

System	Capacity	Redundancy	Backup Time
Main Power	10-15 MW	2N	Continuous
Emergency	2-3 MW	3N	72 hours
Battery	1-2 MW	N+1	24 hours
Hotel Load	500-750 kW	N+1	Essential only

Life Support Systems

Air Systems

System	Capacity	Duration	Redundancy
O2 Generation	25-30 kg/day	Continuous	Dual system
CO2 Scrubbers	40-50 kg/day	90 days	Triple system
Air Purification	1000 m³/hr	Continuous	Dual system
Emergency O2	72 hours	Per person	Individual

Water Systems

Type	Capacity	Production	Storage
Fresh Water	10-15 m³/day	Distillation	30 days
Drinking	3-5 m³/day	RO system	14 days
Cooling	100-150 m³/hr	Circulation	Continuous
Waste	5-8 m³/day	Treatment	7 days

Combat Systems

Sensor Suite

System	Range	Resolution	Processing
Sonar Array	50+ km	Multi-beam	AI enhanced
Periscope	20+ km	HD/IR/Low light	Digital
ESM	100+ km	Direction finding	Real-time
Radar*	100+ km	Surface search	*When surfaced

Construction Costs (USD Millions)

Major Systems

System	Attack Sub	Ballistic Sub	Timeline
Hull	500-700	800-1,000	24 months
Propulsion	400-600	600-800	18 months
Combat	300-400	400-500	12 months
Electronics	200-300	300-400	12 months

Construction Phases

Phase	Duration	Personnel	Quality Control
Hull Fabrication	18-24 months	300-400	100% X-ray
Systems Install	12-18 months	200-300	Full test
Integration	6-8 months	150-200	System check
Sea Trials	6-12 months	100-150	Performance

Maintenance Requirements

Scheduled Maintenance

System	Interval	Duration	Personnel
Reactor	7-10 years	12-18 months	Specialist
Hull	5-7 years	6-8 months	Yard team
Combat	3-5 years	3-4 months	Technical
Life Support	Annual	1-2 months	Ship’s crew

Environmental Systems

Waste Management

Type	Capacity	Storage	Treatment
Solid	2-3 m³/week	Compacted	Storage
Liquid	5-8 m³/day	Processed	Discharge
Nuclear	Contained	Shielded	Shore disposal
Chemical	1-2 m³/week	Neutralized	Special handling