![]() ![]() Normally FPSO-FSO are towed from bow with suitable smith bracket arrangement.Strength and arrangement of all towing equipments shall comply to attending MWS. Towing vessels’s towing gerars shall be properly maintained and fuel reserve shall be sufficient for whole towing period.Tugs shall have sufficient bollard pull and all the equipments shall be approved by MWS.Tug boat shall be equipped with towing winch,tow wire and work wire of required length,hydraulic towing pins,open stern with roller,deck tugger winch or capstan and other mechanical and safety equipments. During river towing or channel passage harbour tugs shall be employed. All towing lines and poly propelyn lines shall be ready.ĭepending on bollard pull calculation and route weather information,one or two AHTS vessels shall be used. Weight changes before towing shall be accesses and impact on stability shall be checked.īefore towing it should be ensured that all watertight hatches are closed properly and related equipment are functioning properly. Maximum draft during towing shall be based on trim and stability calculation during towing.Intact stability condition shall be checked for 70 not wind and damage stability shall be checked for single compartment damage with 50 knot wind. Site specific marine weather forecast shall be provided to each tug that should include wind,speed,wave height,wave period,current speed,visibility and other related parameters.Limiting criteria of environmental conditions shall be followed from towing guideline and approved by marine warranty surveyor. This procedure describes all the necessary steps to be taken during wet tow when stern tugs employed for river or channel towing are removed and tow is maintained by lead and assisting tug boats. Coast Guard, please see section 9 (page 13) of the TPO Guidebook.Purpose of this procedure is to define the safe towing operation of the FPSO and FSO from yard to operation field. If your organization offers an auditor/assessor course you would like to be recognized by the U.S. ![]() Coast Guard Recognized Auditor/Assessor Courses Company Name Towing Vessel National Center of Expertise TPO approvals are granted for a period of five (5) years.Īpplication packages can be submitted to: ![]() The application package must be submitted to the Towing Vessel National Center of Expertise, which will review the information and determine if the organization meets the minimum standards for approval as a TPO. Summary Table of Coast Guard Approved TPOs Subchapter M FunctionsĪn organization seeking approval as a TPO under 46 CFR Subchapter M must at a minimum, submit an application package containing all the information listed in 46 CFR 139.120. Organizations other than recognized and/or authorized classification societies that conduct TPO functions for towing vessels must be Coast Guard approved. Summary Table of Classification Society Subchapter M FunctionsĬommercial Vessel Inspection Alternatives and Delegated Functions These classification societies are approved by regulation to perform certain work as a TPO without further Coast Guard approval. ![]() In accordance with 46 CFR 139.110, classification societies that are recognized and/or authorized meet the requirements of a TPO. Organizations that may perform work as a TPO Functions related to completing audits, issuing a TSMS certificate and completing surveys are carried out by a TPO or an organization that can perform the work of a TPO. Towing vessel owners or managing operators who select the Towing Safety Management System (TSMS) option to demonstrate compliance with 46 CFR subchapter M must complete management and vessel audits to assess compliance with their TSMS, obtain a TSMS Certificate and complete surveys to demonstrate vessel compliance with 46 CFR subchapter M. ![]()
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