Generator Room SIZING
- Thread starter tarekbadr
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ron
Senior Member
- Location
- New York, 40.7514,-73.9925
None that I've heard of.
Generally you pick a kW size, check with the manufacturers that you are going to permit to bid, get the footprint for the largest of those possibilities, consider space needed for start batteries, battery charger, fuel day tank, silencer, freestanding output breaker if needed, and approx 4' clearance around for maintenance (more if you can get it). Also make sure that you can get it in the room you are considering thinking of size and weight.
I just laid out (4) 2500kW's and Detroit got the project (providing 2800kW's). Luckily, we used Detroit for the lay-out, because they were the biggest footprint in that size frame.
Generally you pick a kW size, check with the manufacturers that you are going to permit to bid, get the footprint for the largest of those possibilities, consider space needed for start batteries, battery charger, fuel day tank, silencer, freestanding output breaker if needed, and approx 4' clearance around for maintenance (more if you can get it). Also make sure that you can get it in the room you are considering thinking of size and weight.
I just laid out (4) 2500kW's and Detroit got the project (providing 2800kW's). Luckily, we used Detroit for the lay-out, because they were the biggest footprint in that size frame.
brian john
Senior Member
- Location
- Kilmarnock, Va
- Occupation
- Retired after 52 years in the trade.
Ron is on the mark, from a maintenance stand point. YOU MUST consider heat dissipation from the exhaust and air flow for the radiator remembering this unit could suffer temperature rises of as little of 1 degree an hour but if running 3 days this could be an issue.
Recently had a job were the generator only ran 3 - 4 hours at the most for years then the customer had a 3 day outage at the end of day one the unit went out on high temp. Found an air flow issue with the radiator that had existed for install but only reared it heat over an extended period of time.
Recently had a job were the generator only ran 3 - 4 hours at the most for years then the customer had a 3 day outage at the end of day one the unit went out on high temp. Found an air flow issue with the radiator that had existed for install but only reared it heat over an extended period of time.
Tahnk You ,, Kindly , We Are In Stage To Estimate The Standby Generator Set Room Size ( 1600kva ) And I Know We Need Acces For Fresh Air , For Exhust And Sure Fuel Daily Tank With Fuel Pumps And Its Control Panel In Addition To All Related Outgoing Cables , So If There Is Any Idea Or Article In Nec Helping For Estimating The Proper Room Size .
Regards
Regards
frenchelectrican
Senior Member
- Location
- Nord'est Wisconsin et Paris France
Really there is not much in the NEC related to the room size and it more likely per manufacter spec for the unit layout as what other mention and they are pretty much hit on the nail but also keep in your mind the layout in case you have to swap units if the primemover get destoryed for some reason.
and the size of room really affect depending on type of cooling system you will be using if on the unit or remote radiator and air flowage, and day tank size as well.
try to keep at least 4 feet [1200MM] spaceing between the generators so in case mechanic have to come on and do the major work on the engine they will like have room to work around [ this is true with vee type engines ]
Merci,Marc
and the size of room really affect depending on type of cooling system you will be using if on the unit or remote radiator and air flowage, and day tank size as well.
try to keep at least 4 feet [1200MM] spaceing between the generators so in case mechanic have to come on and do the major work on the engine they will like have room to work around [ this is true with vee type engines ]
Merci,Marc
- Location
- Massachusetts
tarekbadr said:
No.
All the NEC will tell you is that you need 36 inches or more in front of electrical enclosures that need to be serviced live. (See NEC 110.26)
If you design this generator room to NEC minimums you will have a very poor installation. I strongly suggest that you follow Ron and Marc's advice. :smile:
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