DCDC-003.1 BICSI Data Center Design Consultant - DCDC Questions and Answers

3 "

6 "

9 "

12 "

6 inches

7 inches

8 inches

9 inches

10 inches

two-stage, spin-on-type fuel filters

four stage, paper-type fuel filters

five stage, mesh type fuel filters

three stage, spin-on-type fuel filters

30F and 59F

42F and 65F

40F and 55F

-10°F to +85°F

Minimum =54 degrees[F]/12 degrees[C]

Maximum=88 degrees [F]/31degrees[C]

Minimum =64 degrees[F]/18 degrees[C]

Maximum=80 .6degrees [26 .9] < 30 del= ' ' > [C]

Minimum < =50 degree[A]

Maximum = > 200Degrees[B]

Maximum < =33 Degree[XEIYCPJZDKLTWGBNMFUAHSRQV][/33] [64]= ' ' >

Minimum > =18Degree[KOVBYPZXWMFGUTANLHQSRDCJE] < /18 >

80 degrees

75 degrees

85 degrees

70 degrees

90 degrees

N

N+1

2N

2N+1

3N

70 degrees

75 degrees

77 degrees

80 degrees

85 degrees

Category1

Category2

Category3

Category 4

install in dedicated electrical rooms, or, locate outside the computer room with fire rated wall

install within the computer room space on raised floor

install within server racks

none of the above

EF1,73-112 mph

EF2,113-157mph

EF3,158-206mph

EF4,207-260 mph

36 degrees

45 degrees

54 degrees

63 degrees

72 degrees

At least four circuits each from different distribution stations but fed via common feeders B. Two balanced feeds with different voltages derived from a single distribution station

One balanced feeder coordinated with upstream backup feed D. At least One Circuit from two Separate Substations and Different Voltage Levels

power distribution units, not power distribution equipment, remote power panels, and power strips

transformers only

Uninterrupted Power Supply (UPS) only

Circuit Breakers only

60 degrees

65 degrees

68 degrees

70 degrees

75 degrees

2.5 outages annually, with average repair time of approximately 7 hours

1 outage annually, with average repair time of approximately eight hours

1.86 outages annually, with average repair time of four hours

Three outages annually, with an unknown average repair time

2,500 ft

5,000 ft

7,500 ft

10,000 ft

12,500 ft

3 feet

The width shouldn ' t exceed more than half room length

Arm span distance between technicians

Twice server cabinet depth

80.6 degrees

75 degrees

85 degrees

70 degrees

90 degrees

9 ft

8ft

7ft

6ft

24 hours

48 hours

72 hours

96 hours

Ground bus, direct connections, bond to rack

Ground conductor, surge protection, equipment rack

Copper cable, conduit, flexible connector

AC power, DC power, Ethernet

to ensure maximum horizontal cable lengths are not exceeded and to avoid cable congestion

to reduce energy consumption and carbon footprint

to increase server processing speed by minimizing latency

to provide redundancy and failover mechanisms

Grade Level

Upper floor

Lower Floor

None

All

0

10

25

50

Category 3

Category 4

Category5

category6

Electrical Room

Break Room

Printer Room

Storage Room

Telecommunications Room

beside high traffic areas

near equipment that has active air flow to cool them down

in a dedicated print room with dedicated air handling system

placed outdoor, away from building facilities

6 "

12 "

18 "

24 "

Switching between multiple utility power sources

Switching between utility and generator power sources

Switching between different generator power sources

Switching between AC and DC power sources

150

300

450

600

humidity and temperature

lighting and sound level

radioactivity measurement and electromagnetic interference

electrical conductivity and soil contamination

100 square feet

B 240 square feet

250 square feet

280 square feet

None of above

2 inchmhes

B, 3 Inches

4 Inches

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500, to 1500 watts per access provider

More than 2000 KW

exactly or less than 300KW

More than about Million watts

20-25 degrees Celsius

15-18 degrees Celsius

10-13 degrees Celsius

13-16 degrees Celsius

to provide a secure area where access provider outdoor cable can be converted, to indoor cable, and, house access provider owned equipment

to house all company-wide communication devices

to store backup telecommunication devices

none of these

5 degrees

7 degrees

9 degrees

12 degrees

15 degrees

1000 lbs per sq. ft.

1250 lbs per sq. ft.

1500 lbs per sq. ft.

1750 lbs per sq. ft.

2000 lbs per sq. ft.

At Least Two Circuits From Same Power Grid But Different Substations And Separate Paths

One Balanced Feeder Coordinated With Upstream Backup Feed

One Circuit From Single Sub Station Fed Via Additional Path from Alternate Power Grid

Two Balanced Feeds With Same Voltage Derived From A Single Distribution Station

8 feet minimum

9 feet minimum

10 feet minimum

11ft minimum

5 meters (16 feet)

10 meters (33 feet)

15 meters (49 feet)

20 meters (66 feet)

10 feet long by 4 feet deep by 8 feet high

20 feet long by 6 feet deep by 10 feet high

15 feet long by 5 feet deep by7feet high

14 feet long and has a depth dependent on rack layout.

a service gallery outside the computer room, if the A H J and feeder distances allow

under each server rack

in an unused area of another floor

inside a ventilation duct