Cummins West , Inc.

Cummins West, Inc.Power Generation Group

Cummins West , Inc.

Is an emergency power system necessary?

Emergency Life Safety

Legally Required Smoke Fans Sump Pumps Wastewater

Optional Standby Data Center Risk Assessment

• Mild Inconvenience to $15M for 37 seconds

Cummins West , Inc.

What are the most common

standby generator set sizes? Over 60

Years Serving

California

1000W to 2MW Diesel

1000W to 1,250KW Natural Gas

1000W = 1KW

1000KW = 1MW

1000KW enough for

about 750 homes

Cummins West , Inc.

What’s involved in an emergency power system?

Generator Set Diesel is the most common fuel source Natural Gas in some applications

Automatic Transfer Switch 40-4,000 Amps 3 Pole vs. 4 Pole Isolation Bypass

Fuel System Main Tank/Day Tank Sub-Base Fuel Tank

Paralleling System

Cummins West , Inc.

How big does my generator set need to be ?

Actual sizing should be done, or at least verified, by a registered professional engineer

Sizing depends on the loads you plan on taking on Size and number of motors Lighting Loads Computer and or UPS Loads Elevators

How much of the facility is to be carried by the system Are you taking on the whole building or just various emergency circuits?

Is the generator to take on all of the loads at once or will the loads be “stepped”?

Cummins West , Inc.

What are the emissions issues?

Noise Very municipality oriented Check with your local noise ordinances

Exhaust Bay Area Air Quality Management District (BAAQMD) BACT 6.9 g/hphr Nox .01(49) g/hphr particulates Risk Asessment

After treatment may be necessary

Cummins West , Inc.

How much fuel can I store?

60-100,000 Gallons+ depending on your application

Very municipality oriented

Conflicts within municipality

Vaulted tanks are helpful

Sub-Base tanks must be UL142 listed and Dual Walled with various necessary options

Try to avoid underground storage tanks

Large sets can burn more than 100 gph

Cummins West , Inc.

How much does a system cost?

Diesel systems cost between $300-500/KW

Best suited for standby

Natural gas systems cost $400-800/KW

Best suited for cogeneration

Gas turbines $1000+/KW

Only feasible for large

scale applications

Cummins West , Inc.

What is required to maintain my system?

Weekly checks Physical check Leak Check Fluids check Temperature check Battery check

Weekly Test Run to no load target temperature. Not necessary to test

any longer than that May be limited by BAAQMD

Quarterly or Yearly Load Test Test records may be necessary