ML18033A242
| ML18033A242 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 06/13/1988 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML18033A241 | List: |
| References | |
| TAC-00074, TAC-00075, TAC-00076, TAC-74, TAC-75, TAC-76, NUDOCS 8806170002 | |
| Download: ML18033A242 (4) | |
Text
TABLE 3.7.A PRIHARY CONTAINHENT ISOLATION VALVES
,"9 QR t3R ZO 0'N QO QO AO
~N OOO Q)R OO 00 CJOY nM00 C3 Vl 2
1 F
Hain steamline isolation valves (FCV-1-14, -26, -37, 8 -51; 1-15,
-27,- 38, 8 -52)
Hain steamline drain isolation valves (FCV-1-55 8, 1-56)
Reactor Water sample line isolation valves RHRS shutdown cooling supply isolation valves (FCV-74-48 8 -47)
RHRS LPCI to reactor (FCV-74-53, -67)
Reactor vessel head spray isolation valves (FCV-74-77, -78)
RHRS flush and drain vent to suppression chamber (FCV-74-102, -103, -119, 8, -120)
Number oF Power Operated Valves
()H)JHH~
Maximum Operating
~i~i~
Normal Loziiian 15 40 40 30 20 3
< T < 5 0
Action on Initiating GC GC SC SC SC SC SC Suppression Chamber Orain (FCV 75-57, -5))
Drywell equipment drain discharge isolation valves (FCV-77-15A.
8 -15B) 15 15 0 'kA GC Orywell floor drain discharge isolation valves (FCV-77-2A 8, -2B) 2 15 0
GC "These valves isolate only on reactor vessel low low water level (470") and main steam line high radiation of Group 1 isolations.
""These valves are normally open when the pressure suppression head tank is aligned to serve the RHR and CS discharge piping and closed when the condensate head tank is used to serve the RHR and CS discharge piping.
(See SpeciFication 3.5.H)
BFH-Unit 1
TABLE 3.7.A PRIHARY CONTAINHENT ISOLATION VALVES Number of Power Operated Valves Znhmesl Quthgmf Haximum Operating Qp~~
Normal Eas.iQsm Action on Initiating Siaaal 1
Hain steamline isolation valves (FCV-1-14, 26, 37,
& 51; 1-15, 27, 38,
& 52)
Hain steamline drain isolation valves (FCV-1-55 8 1-56) 3
< T
< 5 0
15 GC GC lw Reactor Water sample line isolation valves RHRS shutdown cooling supply isolation valves (FCV-74-48 & 47) 1 RHRS - LPCI to reactor (FCV-74-53 & 67)
RHRS flush and drain vent to suppression chamber (FCV-74-102,
- 103, 119,
& 120)
Suppression Chamber Orain (FCV-75-57, 58)
'rywell equipment drain discharge isolation valves (FCV-77-15A 8 15B) 2 40 40 20 15 15 0NR SC SC SC SC Drywell floor drain discharge isolation valves (FCV-77-2A & 2B) 2 15 GC "These valves isolate only on'reactor vessel low low water level (470") and main steam line high radiation of Group 1 isolations.
""These valves are normally open when the pressure suppression head tank is aligned to serve the RHR and CS, discharge piping and closed when the condensate head tank is used to serve the RHR and CS discharge piping.
(See Specification 3.5.H)
BFN-Unit 2
TABLE 3.7.A PRIHARY CONTAINHENT ISOLATION VALVES Number of Power Operated Valves Inhume&
)ethane Haximum Operating Xim~~
Normal P~Qsu Action on Initiating Shmul Hain steamline isolation valves (FCV-1-14, -26, -37,
& -51; 1-15
-27,- 38>
& -52)
Hain steamline drain isolation valves (FCV-1-55 & 1-56)
Reactor Water sample line isolation valves RHRS shutdown cooling supply isolation valves (FCV-74-48 & -47)
RHRS - LPCI to reactor (FCV-74-53, -67)
RHRS flush and drain vent to suppression chamber (FCV-74-102, -103, -119,
& -120)
Suppression Chamber Drain (FCV 75-57, -58)
Orywell equipment drain discharge isolation valves (FCV-77-15A, & -158) 3
< T < 5 0
15 40 40 20 15 15 GC GC SC SC SC SC GC Orywell floor drain discharge isolation valves (FCV-77-2A & -28) 2 15 0
GC "These valves isolate only on reactor vessel low low water level (470") and main steam line high radiation of Group 1 isolations.
""These valves are normally open when the pressure suppression head tank is aligned to serve the RHR and CS discharge piping and closed when the condensate head tank is used to serve the RHR and CS discharge piping.
{See Specification 3.5.H)
BFN-Unit 3
7I