Attachment_S_-_Tow_Plan.docx

ATTACHMENT S

N32205-17-R-3505

COMPREHENSIVE TOW PLAN

Cover Page:

Name of Tow / Class:

Tow Displacement:

Name of Tug:

Bollard Pull:

Wire / Hawser Specification:

Connecting Shackle:

Identified Weak Link:

Maximum Calculated Steady State Tow Tension:

Maximum Calculated Surge Tow Tension:

Section One:

Tow Documents

1. Copy of Acceptance Letter

2. Copy of completed Appendix H

Section Two:

Steady State Tow Line Calculations

1. Over the Spectrum of Anticipated Weather Conditions

2. Speeds of Advance (SOA)

3. Weather Conditions and Limits

Section Three:

Sketch of the Tow Configuration Identifying All Components of the Tow Rig Including Identification of the Weakest Link

Section Four:

Pedigree / Certifications of Tow Components

1. Padeyes in Tow - NDT Inspection Paperwork

2. Connecting Shackles

3. Chain Inspections

4. Other Towing Jewelry Pedigrees

5. Tow Wire Testing Certificate

6. Stamping for the Individual Jewelry Components

7. Plate Shackle Test Certificate

Section Five:

Tug Specifications

1. Hull and Tow Machinery Certification

2. Bollard Pull Certificate

3. Tow Wire / Hawser Certifications

4. Master’s Towing Endorsement

Section Six:

Route Planning and Identification of Ports of Refuge

Section Seven:

Tow Limiting Conditions

Section Eight:

Stability

1. Tow Vessel

2. Towed Vessel