Agent skill

mooring-design-design-check-matrix

Sub-skill of mooring-design: Design Check Matrix (+2).

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Install this agent skill to your Project

npx add-skill https://github.com/vamseeachanta/workspace-hub/tree/main/.claude/skills/_archive/engineering/marine-offshore/mooring-design/design-check-matrix

SKILL.md

Design Check Matrix (+2)

Design Check Matrix

Check Intact (DNV) Damaged (DNV) Method
Line tension SF >= 1.67 (dynamic) >= 1.25 (dynamic) Max tension / MBL
Vessel offset < 8% water depth < 12% water depth Max offset in design storm
Anchor capacity SF >= 1.5 SF >= 1.2 Max anchor load / holding capacity
Line fatigue Design life x3 Miner's sum across sea states
Collision check No line-line contact Minimum separation > 2 * line diameter

Validation Code

python
def validate_mooring_design(results, safety_factors):
    """Validate mooring analysis results against design criteria."""
    checks = []
    all_pass = True

    for result in results:
        # Tension safety factor
        sf = result.safety_factor
        sf_req = safety_factors.get(result.load_case, 1.67)

*See sub-skills for full details.*

## Key Standards Reference


| Standard | Application | Key Requirement |
|----------|-------------|-----------------|
| DNV-OS-E301 | Position mooring | Safety factors, fatigue, ALS |
| API RP 2SK | Station keeping | Environmental loads, analysis methods |
| ABS Rules | Mooring systems | Material specs, testing, survey |
| BV NR 493 | Mooring systems | Chain properties, proof testing |

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