Local Exhaust System Fans and Fan Motors and Backdraft Dampers and Isolation Dampers Page: 8 of 17
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Commercial Grade Item Upgrade Dedication Form
SNF-6105, Rev. 0
ECN No. NIA CGI No. CGl-SNF-D-30-C1-063 Page 2 of 11
rie: Local Exhaust S stem - Fans, Fan Motors, Backdraft Dam ers, and isolation Dam ers
Section 3 Failure Effects Evaluation
A. Part/Component Safety Function:
1. Maintain routing of potentially contaminated and/or flammable air stream through the filtration system.
2. Prevention of hi h concentrations of h dro en as buildin u within the MCO's or the ductwork.
B. Part/Component Functional Mode:
Safety Function #1: X ACtive Passive Active - Mechanical or Electrical change of state is required to occur for
SaeyFnto_1_XAtv asv the component to perform its safety function
Safety Function #2: Active X Passive Passive - Change of state is not required for the component to perform
its safety function
Safety Function #3: Active Passive
C. Host Component Safety Function (if applicable): N/A
1.
D. Failure Mode(s) and the effects on component or system safety function (see Worksheet 1):
1. Fan shaft can seize or fail
2. External events that causes structural component failure
3. Seismic 3!1 Protection for adjacent SS SSCs -Containment
Section 4 Environmental & Natural Phenomena Hazard Design
Environmental Qualification Required: If yes: Environmental Qualification Requirements
Yes Limiting Environmental Conditions:
No X Environmental Condition A Cqr aty Functions:
____________ _________________Qualification Period:
Natural Phenomena Hazard (NPH) Design Required: If yes: NPH Design Requirements
Performance Category: PC-2
Yes X HNF-PRO-97, Rev. 0, W-441.C1 NPH Design Req'ts.:
_____. Required Safety Functions: Seismic 3/1 Protection for
No adjacent SS SSCs " Containment
Section 5 Component Functional Classification
SafetyCassj(SC) General Service X Safet Si nificant SS
If part/component classification is different from host component/system, document basis. N/A
Sections 6 and 7 (Reserved)
Section 8 References (for Functional Classification)
National Codes/Standards: ASHRAE, SMACNA
Safety Analysis Report (SAR): HNF- 3553, Rev. 0, Annex B
Drawings: H-1-82206, Sht. 1, Rev. 2, HNF-SD-SNF-SEL-002, Rev. 7
Vendor Manual/Manufacturer/Supplier Information: Catalog Cut Sheets " Barry Blower, Ruskin Dampers3/29/00
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Van Katwijk, Carl. Local Exhaust System Fans and Fan Motors and Backdraft Dampers and Isolation Dampers, report, March 30, 2000; United States. (https://digital.library.unt.edu/ark:/67531/metadc742278/m1/8/: accessed May 11, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.