Rollmasse

English translation: Rotable inventory, rotable pool

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

German term or phrase:	Rollmasse
English translation:	Rotable inventory, rotable pool
Entered by:	Barbara L Pavlik

11:50 Jan 28, 2017

German to English translations [PRO]
Tech/Engineering - Transport / Transportation / Shipping / Railcar Maintenance

German term or phrase: Rollmasse

Das EVU wird deshalb zusammen mit der Lieferung der Fahrzeuge ein Ersatzteilpaket beschaffen. Dieses dient dazu, bei Bauteilausfällen oder Unfällen eine kurzfristige Verfügbarkeit des betroffenen Fahrzeugs wieder herzustellen. Darüber hinaus dienen die Komponenten des Ersatzteilpakets als ***Rollmasse***, die im Rahmen der Revisionen des Instandhaltungsprogramms durchgetauscht und außerhalb des Fahrzeugs aufgearbeitet werden.

Barbara L Pavlik KudoZ activity Questions: 315 (none open) (17 without valid answers) (34 closed without grading) Answers: 129 United States
Local time: 23:26

Rotable inventory, rotable pool

Explanation:
Stock of repairable parts used for repair or routine maintenance

Selected response from:

phillee
Local time: 04:26

Grading comment

Thank you!
4 KudoZ points were awarded for this answer

Summary of answers provided

3 +3

Rotable inventory, rotable pool

phillee

rotating spare (part)

Johannes Gleim

Summary of reference entries provided

criticality of spare parts

Johannes Gleim

Discussion entries: 9

Wendy Streitparth

Germany

18:53 Jan 28, 2017

@ polyglot: Don't worry - fully realised you knew what you were talking about!

Johannes Gleim

@ Wendy

18:25 Jan 28, 2017

Stimmt, EVU kann natürlich auch Eisenbahnverkehrsunternehmen bedeuten. Dann geht es aber nicht nur um die Stromversorgung, sondern um alle kritischen Bauteile, die immer verfügbar sein müssen und gegen beschädigte Bauteile ausgetauscht werden, die ihrerseits repariert und wieder für den nächsten Fall verfügbar gemacht werden.

polyglot45

@Wendy

18:21 Jan 28, 2017

whence my "RU" (railway undertaking) - sorry it is Eurospeak

Wendy Streitparth

Germany

17:48 Jan 28, 2017

@ Johannes: EVU = Eisenbahnverkehrsunternehmen!

Johannes Gleim

@ Barbara

17:44 Jan 28, 2017

All depends on the kind of spare parts the EVU will provide. I assume the public utility (Elektrizitätsversorgungsunternehmen, EVU) supplies electricity until the transfer point, i.e. the substation with transformer, switchgears and fuses. And that the spare parts are electrical components to be used in the substation. Is this right?

Fuses cannot be repaired, but auxiliary means for switchgears like lamps or relays, busbars or bolts and screws.

polyglot45

it's more like

12:53 Jan 28, 2017

floating supplies. In other words the vehicles delivered to the RU come with a kit of spare parts that can be used for quick repairs for minimum down time and can also be used during regular scheduled maintenance procedures to replace parts that need to be removed and repaired before re-use - a sort of rotating set of spares that the operators can dip into both for emergencies and regular maintenance.
To be clearer: if a train has a broken component that has to be dismanteled for fixing- which takes time - and then refitted, it is not as convenient as when they have floating stocks enabling the damaged part to be removed replaced, then repaired and set aside for use later on another vehicle in similar circumstances

Wendy Streitparth

Germany

12:38 Jan 28, 2017

Could it be 'rolling stock' or is that too general?

Barbara L Pavlik

United States

ASKER

12:04 Jan 28, 2017

I can't really tell yet, because they just go on to list all the spare parts that need to be on hand, but I'll keep it in mind as I'm going through this.

Ramey Rieger (X)

Germany

Hi Barbara

11:59 Jan 28, 2017

That reads to me as if the spart parts package comes on/with wheels. Does that make sense in the further context?

Answers

5 hrs confidence:

peer agreement (net): +3

Rotable inventory, rotable pool

Explanation:
Stock of repairable parts used for repair or routine maintenance

Reference: http://www.businessdictionary.com/definition/rotable.html

phillee
Local time: 04:26
Works in field
Native speaker of:

English
PRO pts in category: 16

Grading comment

Thank you!

6 hrs confidence:

rotating spare (part)

Explanation:
The term rolling stock originally referred to any vehicles that move on a railway. It has since expanded to include the wheeled vehicles used by businesses on roadways.[1][2][3] It usually includes both powered and unpowered vehicles, for example locomotives, railroad cars, coaches, and wagons.[4][5][6][7]
https://en.wikipedia.org/wiki/Rolling_stock

Highest value of this index involves lower value of capital frozen in inventory. The type of stock is also essential since in the case of safety stock warehouse the value of rotation can be very low or even at zero level. This might mainly concern those items which are outdated. However, not all the stocks with lower rotation rate will be redundant. Maintaining stock, despite low rotation, can be justified by the need for safety stock which is supposed to ensure immediate customer service [8.].
https://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd...

Another type of spare part is the 'rotating spare part'. An example of this is a racing car with three engines that are constantly being ‘rotated’ though the car. In this instance the ‘spare part’ are assets that are installed (in turn) and therefore are subject to depreciation just like any other depreciating asset.
https://books.google.de/books?id=eCcEhKsrw14C&pg=PT142&lpg=P...

1. There are two cases: a single unit and a couple of the same units in the same power plant. …
If there are two or more identical units in power plant, at least one spare motor of every type is kept, even for 3 x 50%, 6 x 20%, etc. in the warehouse. In all these cases, the failed motor is replaced with a spare one, repaired immediately and given back either in the warehouse, or on the site.
:
2. In one case for a 2 x 100% drive, spare motors were not originally supplied. A spare motor was bought and installed in parallel with the repair of a failed motor, and the repaired motor has subsequently been used as the rotating spare.
https://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd...

Johannes Gleim
Local time: 05:26
Native speaker of: German
PRO pts in category: 171

Reference comments

6 hrs

Reference: criticality of spare parts

Reference information:
A cross-functional team composed of employees from Operations, Maintenance, Engineering, Materials Management and Safety conducts the first phase of a criticality analysis. The analysis looks at the impact equipment failure would have on customer orders, time to production disruption, employee safety, environment, the ability to isolate the failed equipment, equipment history of Mean-Time-Between-Failures (MTBF), PM/PdM history and the overall predictability of failure. Each of these factors are reviewed and given a weighted score between zero and 100 that converts into a part criticality ranking as shown in the criticality index below.

The scores are divided into categories which indicate the severity of failure from catastrophic to significant or insignificant. A rating of catastrophic would indicate a part or assembly is usually an item that is held in inventory; it is a critical part for a critical asset and has been identified as a safety compliance issue if it fails. A rating of significant would indicate the part is for a non-critical asset and would probably fall into the category of a normal MRO consumable item. The insignificant rating would indicate that the part was a non-critical item and not a safety concern if it failed.

The second phase of the criticality analysis is to determine if the item will be held on site as a part of the MRO inventory or designated as a non-stock, order on demand critical spare. Parts held in the MRO inventory are an investment to ensure production is not interrupted and safety of the employees and environment are not compromised. These parts that are purchased and held as part of the inventory have an ongoing cost associated with their management. A typical item held in inventory, whether critical or non-critical, has a handling or annual carrying cost of 17 to 25% of the cost of the item in the average MRO inventory. In five years the associated carrying cost has doubled the expense of the spare part and if the item is a rotating spare that has not been under a preventive maintenance program, the part could fail when put in service or not provide for the expected service life of a new part.

A risk analysis that evaluates the lead time from the time the order is placed with the supplier until receipt of the item on site is also a factor that affects the decision to stock the part as part of the inventory. The reliability of the supplier to meet the expected lead time for the part should also be a part of the risk analysis. Suppliers providing critical spare parts should go through a certification process and be under contract to mitigate unexpected lost production time and delayed deliveries. Some parts can only be purchased from a single supplier. If parts availability is limited to a single supplier, the question needs to be asked, “What is the financial status of this supplier?” If there is a possibility that the supplier could go out of business due to a stressed economic environment, the decision might be to buy what is available and hold the parts in inventory to mitigate that risk. If parts are obsolete or the manufacturer is no longer producing these specific parts, the decision might again be to purchase the available parts and hold them in inventory as a hedge against possible equipment failure.
https://www.lce.com/How-do-you-determine-which-repair-parts-...

Johannes Gleim
Native speaker of: German
PRO pts in category: 171

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Rollmasse

English translation: Rotable inventory, rotable pool

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