Letter Sequence Other |
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Results
Other: ML19347E257, ML19350D121, ML20023A486, ML20076C428, ML20077G960, ML20090L185, ML20112F743, ML20134L463, ML20137X382, ML20141N057, ML20141N065
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MONTHYEARML19350D1211981-04-0101 April 1981 Ack Receipt of Transmitting Results of Feasibility Studies for NUREG-0737,Items II.K.3.16 & II.K.3.18.Recommendations & Conclusions Will Be Given Upon Completion of Review.Response to Be Submitted by 810417 Project stage: Other ML19347E2571981-04-16016 April 1981 Submits Plans for Reduction of Safety Relief Valve Failures: Replacement of three-stage w/two-stage Pilot Assemblies;Low Level Trip Setpoint for MSIV Lowered & Adoption of Procedure to Manually Open Valves After Pressure Relief Action Project stage: Other ML20023A4861982-09-0202 September 1982 Ei Hatch Nuclear Plant Units 1 & 2 Inservice Insp Program, Technical Evaluation Rept Project stage: Other ML20076C4281983-02-0808 February 1983 ECCS Repts (F-47),TMI Action Plan Requirements,Edwin Hatch Nuclear Plant,Units 1 & 2, Technical Evaluation Rept Project stage: Other ML20077G9601983-07-28028 July 1983 Responds to NUREG-0737,Item II.K.3.18, Mod of Automatic Depressurization Sys Logic. Util Will Implement Second Option If Required Bypass Timer Setting Provides Significant Margin Above 2 Minute Delay in Current Logic Project stage: Other ML20112F7431984-04-30030 April 1984 Bypass Timer Calculation for Automatic Depressurization Sys Mod for Hatch Units 1 & 2 Project stage: Other ML20090L1851984-05-21021 May 1984 Advises That Mods to Automatic Depressurization Sys,Per NUREG-0737,Item II.K.3.18,will Be Completed by End of 1985 Refueling Outages Project stage: Other ML20091K4631984-06-0101 June 1984 Responds to 840412 Request for Info Re Implementation of NUREG-0737,TMI Action Item II.K.3.16, Reduction of Challenges & Failures of Relief Valves. Unit 1 Converted to two-stage Safety Relief Valves in 1978 Project stage: Request ML20112F7311985-03-19019 March 1985 Application to Amend License NPF-3,revising Tech Specs by Adding Limiting Conditions for Operation & Surveillance Requirements for Bypass Timers,Tmi Action Plan Item II.K.3.18.GE Bypass Timer Actuation... Encl.Fee Paid Project stage: Request ML20132E5471985-08-23023 August 1985 Rev 0 to Engineering Svc Procedure 42EN-ENG-011-OS, Scram/ Transient Reporting Project stage: Request ML20134L4631985-08-23023 August 1985 Proposed Tech Specs Re Automatic Depressurization Sys Instrumentation to Reflect Planned Logic Mod Project stage: Other ML20134L4471985-08-23023 August 1985 Application for Amend to License DPR-57,revising Tech Specs Re Automatic Depressurization Sys Instrumentation to Reflect Planned Logic Mod Per TMI Action Item II.K.3.18.Fee Paid Project stage: Request ML20151Y4631986-01-29029 January 1986 Safety Evaluation Supporting Amend 122 to License DPR-57 Project stage: Approval ML20141N0651986-02-21021 February 1986 Errata to Amend 122 to License DPR-57,providing Tech Spec Pages 3.2-10 & 3.2-33 Re Instrumentation Which Initiates or Controls Automatic Depressurization Sys Project stage: Other ML20141N0571986-02-21021 February 1986 Forwards Errata to 860129 Amend 122 to License DPR-57, Including Tech Spec Pages 3.2-10 & 3.2-33 Inadvertently Omitted from Original Submittal Project stage: Other ML20137X3821986-02-28028 February 1986 Requests Approval to Complete Installation of Automatic Depressurization Sys Manual Inhibit Switches Associated W/ NUREG-0737,Item II.K.3.18 During Spring 1987 Unit 1 & Spring 1988 Unit 2 Refueling Outages Project stage: Other 1984-05-21
[Table View] |
Errata to Amend 122 to License DPR-57,providing Tech Spec Pages 3.2-10 & 3.2-33 Re Instrumentation Which Initiates or Controls Automatic Depressurization Sys| ML20141N065 |
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| Site: |
Hatch  |
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| Issue date: |
02/21/1986 |
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| From: |
NRC |
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| To: |
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| Shared Package |
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| ML20141N058 |
List: |
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| References |
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| TAC-57309, NUDOCS 8603030508 |
| Download: ML20141N065 (2) |
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Similar Documents at Hatch |
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Text
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Table 3.2-4
'.A=<
1
~
DEmpelNIRTION MIIG INITIA1ES OR 00NIN0tS ADS g
Ref.
I Inst rument Trip Req 2 ired Trip Setting Ih wirks No.
Cbndition Operable V
C (a)
Nmeenclature Channels E
per Trip g
Systema (b) e, g
1.
Heactor vessel Water leoel Iow (Ieeel 3) 1
?_10.0 inches Confirms low lesel, ADS permissive a
Reactor Vessel Wter Ievel IowIowIow 2
>-113 inches Permissive signal to ADS tisser E
k (Level 1) g 2.
Drywell Press 2re High 2
<1.92 poig Permissive signal to ADS timer u
3.
MIR Fump Discharge High 2
>112 psig Permissive signal to ADS Fimar yq Prescarc
~
o 4.
CS Ramp Discharge High 2
>137 pGig Pernimive signal to AES timar y
PrAssaare u
h 5.
Auto Depressarization 2
f_13 Mirutes By=aaan high drywell presaire Iow Water Ievel Timer permissive upon azstai=3 Level 1.
j 6.
Auto Depresaarization 1
120112 seconds with Ievel 3 and Icoel 1 and high Timer drywell presaire and CS or NIR pamp at press 2re, timing seq 2ence btA. If the ADS timer is not reset it will initiate ADS.
7.
Aurnmatic Blowdown Control 1
Not applic ahle Monitors availahility of pcwer to Bower Failure Monitor logic systen J
- a. 'Itse cohmari entitled "Ref. No." is only for convenience so that a one-to-one relationship can be acFahlished between items in 'Pahla 3.2-4 and itsma in Table 4.2-4.
- b. menever any 0003 aabsystem is reg 2 ired to be opernhln by Section 3.5, there shall be two operable trip systema. If the reasired rumhpr of operahla channels cannot be met for one of the trip systrw:, that system shall be repaired or the reactor shall be placed in the Cold Shatdown (bndition within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after this trip systoms is made or found to be inoperable.
8603030500 860221 PDR ADOCK 05000321 p
PDR
i I
i i
Table 4.2-4
~
,. t Omert, Rmetional Test, and ad ihr*Irma Minimum Frr @ency for. Instrumentation Ettidt Initism or Controls ADS i
t Ref.
Instnament check Insem-=t aanctional Test Instrument chlibration :
us.
Instrument Mini = = Fremency Mhimam Pre @ency Min k m Fre @ency I
a (a)
(b)
(c)
W 1
% w mterIeeel Once/ shift OnceAnonth Once/ operating cycle j
w.
(Ieeel 3)
Q s
a i
Reactor Ve==1 Mater Ieeel Once/ shift onceAsanth (hoe / operating cycle E
k (Iceel 1) o l
g 2
Drywell Pressare Once/ shift Once/ month Once/ operating cycle o*
+
n 1
3 RIR Rg DiArge Once/ shift Once/ month Once/ operating cycle
?
Pressare 4
i 4
CS Rg Disarhrge Once/ shift Once/ month (hoe /ngwrdisug cycle w
Premaire j
,u 1
h 5'
Aito Depressarization None WA Once/ Operating Cycle 1
i
?
Icar hter Ieeel Timer I
6 Asto Depressarization None N/A Choc/ operating cycle I
Tisser r
i 7
Antrumatic nismalrust None Once/operatirig cycle None 02ntrol Rnor Failare Manitor Notes for Table 4.2-4 i
A The colasese entitled "Ref. No." is only for convenience so the a one-to-one relationship can be a.
1
- esitahliM bettseen items in 'tahla 4.2-4 and itm in Tahia 3.2-4.
t i
I 1
s i
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