HOW TO MAINTAIN IHM

 

    As we have seen in the last blog, IHM Part-1 is a dynamic document. Therefore, a constant effort requires from ship staff- purchasing department- Technical department. 

 

IHM maintenance Manual

 

Each vessel to maintain an IHM maintenance manual, even though this document is not a RO approved one, PSC can inspect the record to check how well defined and organised the vessel on maintaining IHM Part-1 the Maintenance plan to clearly 

1.     describe the responsibility of related personnel.

 

Designated Person (DP)

(The person has the overall authority to oversee all hazardous materials (regulated in HKC and EU SRR)-related activities on the ship.)

 

Ship Manager

 

Purchase department.

 

Vessel Master and Chief Engineer.

 

2.     IHM Life cycle.

 

3.     Procedures to maintain the IHM.

 

4.     Work Permit and Authorisation.

 

5.     Hazardous Material/substance management.

 

 

 Let's go much into the details of the procedural aspects.

 

First of all, a sound knowledge of the items to be maintained and the details of items whose MD ( Material Declaration) and SDoC (Supplier's Declaration of Conformity) are possessed by the DP. As the DP need to 

1.     Review the RO verified Inventory of Hazardous materials.

2.     Gather details about the materials input streams ( this should be done in hand in glove operation of technical – purchase- ship  staffs.)

3.     Filter out relevant details. Here the sound knowledge of DP comes into help. 

 

The biggest question is which all items need MD and SDoC are structure material.

Machinery and equipment which are fixed (i.e., securely fitted with the ship, such as by welding or with bolts, riveted or cemented, and used at their position, including electric cables, gaskets) and applied to coating need IHM declaration.

 

 

 

The items which are not fixed, such as portable fire extinguishers, distress flares, lifebuoys, etc., are not required to be listed in part I of IHM.

 

The batteries containing lead acid or other hazardous materials that are fixed in place should be listed in the part I of IHM, but those not fixed, such as consumer batteries and batteries in store are not required to be listed in part I

( but general emergency battery , VDR battery , emergency gen battery needs to be updated)

 

Materials that are inherent in solid metals or metal alloys, such as steels, aluminum, brasses, bronzes, plating and solders, provided they are used in general construction, such as hull, superstructure, pipes or housings for equipment and machinery, are not required to be listed in the Inventory.

 

Although electrical and electronic equipment is required to be listed in the Inventory, the amount of hazardous materials potentially contained in printed wiring boards (printed circuit boards) installed in the equipment does not need to be reported in the Inventory.

 

 

 

4.     Whose MD and SDoC need not be collected again: if the supplied item is a genuine spare parts , whose MD and SDoC available onboard , then the IHM Part-1 need not be collected again

 

Hence practically it is much more easier for the maintenance of IHM in terms of spare supply , but the more difficult part is in terms of store supply. As the suppliers are not aware of the requirement , soe of the items origin is not known , some of the components contents are not known , like gaskets and packings.

 

PSC will be checking the data more thoroughly, especially where new installation, modification, repair, exchange, removal, or alteration of location, structure, machinery and/or equipment, renewal of coating, change of flag, owner or operator is undertaken. Therefore, thorough attention should be paid so that a proper revision of the Inventory may be made.

 

Usually, IHM all the certificates /SoC is renewed, either the owner/vessel name is changed. But in IHM, if the manager changes also, the SoC needs to be renewed.

sample sheets MD and SDoC is attached along with this blog.