Cargo Hose Connection Work Procedures

PPE Requirements

• Check Cargo SDS and Transfer Orders: Confirm PPE requirements prior to commencing work.

• Don the Correct PPE: Ensure appropriate personal protective equipment is worn as specified.

Flange Connection Setup

• Bolt Installation:

  • Ensure a bolt is installed in every hole.

  • Bolts must extend beyond the nut face by a minimum of 3 threads.

• Gasket Specifications:

  • Use a new 1/8" gasket.

  • Only a single gasket is permitted.

• Flange Wraps:

  • Apply flange wraps prior to transfer startup.

Pre-Transfer Hose Inspection

• Conduct Hose Inspection: Ensure the hose is suitable for the connection.

• Insulating Flange or Bonding Cables: Verify presence and condition.

• Secure Hose or Arm: Use a tag line for support.

• Drip Pan Setup:

  • Remove drip pan covers.

  • Secure the hose or arm over the drip pan.

Flange Connection Procedure

1. Loosen Bolts:

   • Loosen bottom header flange bolts slowly.

   • Loosen side flange bolts as necessary.

   • Verify the header is clear of pressure and liquid.

2. Remove Bolts:

   • Remove all bolts carefully.

3. Inspect Flange Face:

   • Inspect for damage, wear, or defect.

4. Align Hose Arm:

   • Align the hose arm to the header.

   • Insert 3 bolts at the flange bottom.

5. Gasket Installation:

   • Insert the new gasket properly.

   • Insert additional bolts in all holes.

6. Bolt Tightening:

   • Secure all bolts in a star pattern.

   • Ensure bolts extend beyond the nut face by at least 3 threads.

7. Pressure Test:

   • Conduct a pressure test on the dock hose arm connection.

   • Wrap dock hose arm connection as required.

8. Conduct PPE Check Again:

   • Recheck cargo SDS and transfer orders for PPE requirements.

Dock Hose/Arm Securing

• Tag Line Use: Secure dock hose or arm with a tag line.

• Loose Bolt Procedure:

  • Loosen bottom header bolts slowly.

  • Loosen side bolts as necessary while leaving top bolt tight.

• Verify Conditions:

  • Ensure dock hose arm is clear of liquid and pressure.

  • Remove all bolts to detach the dock hose arm.

Cleaning and Inspection

• Remove Dock Hose Arm: Detach it carefully.

• Gasket Material Removal: Remove all remnants of gasket material.

• Inspect Flange Face: Check for pitting or damage.

• Blind Installation: Align and install the blind with the dock hose or arm.

• New Gasket Installation: Place a new gasket as needed.

• Bolt Insertion: Insert a bolt in every hose flange hole.

• Even Tightening: Tighten bolts evenly in a star pattern making sure to maintain the 3 threads rule.

• Repeat for Barge Pipeline Header: Conduct the same procedure for the barge pipeline header.

• Disconnect Bonding Cable: If applicable, ensure it is detached.

Post-Transfer Actions

• Drip Pan Covers Replacement: Reinstall the drip pan covers.

• Conduct Post Transfer Inspection: Evaluate overall safety and integrity post-operation.