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Systems Test 3 > LOT 202.37 EAB/CR HVAC > Flashcards

LOT 202.37 EAB/CR HVAC Flashcards

1
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What will close the EAB HVAC tornado damper?

A
  • *3 psid**
  • Closes in 0.25 sec*
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2
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

Which AHUs in the EAB/CR HVAC are cooled by Essential Chilled Water?

A
  • *EAB AHUs**
  • *Penetration Space Emergency AHU**
  • Pen Space*
  • *CRE AHUs**

Controlled from CP022 or transfer switch panels

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3
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

Where are the EAB HVAC AHUs physically located?

A
  • Train A:*
  • *EAB 21’ NE Corner**
  • Train B:*
  • *EAB 45’ NE Corner**
  • Train C:*
  • *EAB 72’ NE Corner**
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4
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

How are the EAB HVAC supply and exhaust fans interlocked?

A

Exhaust fan will autostart if Supply fan started

Ensures EAB pressure higher than MAB pressure.

  • Note:*
  • CR HVAC fans have the same autostart feature. (Supply will start if return started)*
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5
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

When would you use the EAB isolation switches?

A

Fire lasting longer than 30 mins

Located in stairwell on 21’, 35’, and 60’ elevations.

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6
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What components in the EAB/CR HVAC system start on a MODE I, II, or III on the ESF DG Sequencer OR on a High Rad?

A
  • MODE I, II, III or High Rad:*
  • *CR HVAC Cleanup**
  • *CR HVAC Supply**
  • *CR HVAC Return**
  • MODE I, III, or High Rad: (No MODE II)*
  • *CR HVAC Makeup**
  • MODE I, II, or III:*
  • *EAB AHUs**
  • *Battery Room Exhaust Fan**
  • *Penetration Space Emergency AHU**
  • Pen Space*
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7
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What components in the EAB/CR HVAC system are cooled by TSC Chilled Water?

A
  • *Penetration Space Normal AHU (1)**
  • Pen Space*
  • *Computer Room AHU (1)**
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8
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What pressure is the CRE maintained at?

A

+ 0.125 “ H2O

Maintained by having 2 supply fans running (2000 cfm) and 1 Kitchen/Toilet Exhaust fan running (1000 cfm)

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9
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

During a DBA, what must control room personnel dose be limited to IAW 10CFR50?

A

≤ 5 Rem Whole Body

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10
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

How much air flow is present in the following sections of the CR HVAC system?

  • Supply Fan Discharge
  • Recirculation Flow
  • Cleanup Flow
  • Makeup Flow
A
  • Supply Fan Discharge:*
  • *17400 cfm**
  • Recirculation Flow:*
  • *16400 cfm**
  • Cleanup Flow:*
  • *6000 cfm**
  • 1000 cfm (Fan) + 5000 cfm (Recirc Flow)*
  • Makeup Flow:*
  • *1000 cfm**
  • Maintained by discharge damper*
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11
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What areas are located in the CRE?

A
  • *Control Room**
  • *SM Room**
  • *Relay Room**
  • *Computer Room**
  • *Kitchen / Men’s Toilet**
  • *Women’s Toilet**
  • *4 offices on 35’**
  • *HVAC Rooms (10’ / 35’ / 60’)**
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12
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What is the required D/P across the CR HVAC Makeup and Cleanup filters?

A
  • Cleanup:*
  • *< 6.0” H2O**
  • Makeup:*
  • *< 6.1” H2O**

Note:
Located on CP022

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13
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

Where are the CR HVAC components physically located?

A
  • Train A:*
  • *10’ EAB**
  • Train B:*
  • *35’ EAB**
  • Train C:*
  • *60’ EAB**
  • Makeup AHUs:*
  • *86’ EAB roof in key-carded room**
  • Note:*
  • All CR HVAC can be operated on CP022 but NOT RSR. (Do not need CR HVAC if MCR evacuated)*
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14
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What is the CR HVAC system response following an SI or High Rad?

A
  • *Makeup Supply Damper Opens**
  • *Makeup Fan Starts**
  • *Makeup Discharge Damper Modulates to maintain 1000 cfm**
  • FCV-9584/9585/9586*
  • *Cleanup Fan Starts**
  • *Supply Fan Starts​**
  • *Return Fan Starts**
  • *Return Damper Opens**
  • FV-9675/9676/9677*
  • *Kitchen / Toilet exhaust fan Stops**

For an SI:

  • EAB AHUs Start
  • Battery Room Exhaust Fan Starts
  • MAB HVAC Emergency AHU Starts
  • Note:*
  • Can be done manually on CP022*
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15
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What is the CR HVAC system response for a LOOP on Train C?

A
  • *Makeup Supply Damper Opens**
  • *Supply Fan Starts**
  • *Return Fan Starts**
  • *Cleanup Fan Starts**
  • *Return Damper Opens**
  • FV-9677*

Kitchen/Toilet Exhaust fan stays running because dampers powered by A/B.

  • Note:*
  • LOOP on A/B looks the same except Kitchen/Toilet fan secures b/c fan inlet dampers shut.*
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16
Q
  • LOT 202.37 EAB/CR HVAC*
    • *

What is the CR HVAC system response for a high intake smoke actuation?

A
  • *Outside Air Intake Dampers Close**
  • *Kitchen / Toilet Exhaust Fan Secures**
  • *Kitchen / Toilet Exhaust Dampers Close**

Systems Test 3 (17 decks)

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