ASME SEC VIII DIV 2 • USCG / DNV MWS LOAD-OUT • TIDAL BALLAST SYNC
Refinery Coker Drum & Heavy Vessel RoRo Barge Audit Checklist
Rigorous engineering hold points for roll-on/roll-off (RoRo) barge load-out of 800T to 1,800T refinery pressure vessels: quayside grounding pad leveling, high-capacity de-ballasting sync, and multi-file SPMT transition slopes.
MWS Readiness Score
0%
Pending Inspection
Verified Checkpoints
0 / 16
Hold Points Satisfied
Max Transition Slope
≤ 3.8° (6.6%)
Grounding Clearance ≥ 250mm
MWS Certificate Status
HOLD • PRE-RORO AUDIT REQUIRED
USCG / DNV Warranty Surveyor
01
Quayside & Grounding Pad Engineering
02
Ballasting & Tidal Phase Synchronization
03
SPMT Transition & Ramp Kinematics
04
Deck Grillage & Sea-Fastening Welding
Engineering Thresholds & Operational Limits
| Parameter | Acceptable Limit | Critical Threshold | Monitoring Sensor |
|---|---|---|---|
| Barge Transverse Heel Angle | ≤ 0.50° | > 1.00° (Hold Roll-On) | Dual Laser Inclinometers |
| Linkspan Articulation Slope | ≤ 3.80° (6.6%) | > 4.50° (Axle Grounding Risk) | Rotary Encoders & String Pots |
| SPMT Ground Transition Speed | 2.5 – 3.5 m/min | > 5.0 m/min | PPU Tachometer & DGPS |
| Quay Apron Soil Deflection | ≤ 12 mm | > 25 mm (Crush Hazard) | Optical Settlement Targets |
| Ballasting Flow Rate Sync | ±100 m³/hr of target | > 250 m³/hr delta | Ultrasonic Flow Meters |
Authorize & Transmit RoRo Load-Out Audit
Submit this checklist directly to the Exspeedite Heavy Lift Marine Warranty Engineering team for formal CoA issuance.