ML20099K172

Proposed Tech Specs Changing Rod Block Monitor/Rod Block Setpoint During Single Loop Operation

ML20099K172
Person / Time
Site:	Pilgrim, 05000000
Issue date:	03/01/1976
From:	BOSTON EDISON CO.
To:
Shared Package
ML20099K024	List: ML20099K053 ML20099K111 ML20099K116 ML20099K155 ML20099K172 ML20099K232 ML20099K268 ML20099K308 ML20099K324 ML20099K349 ML20099K371 ML20099K494 ML20099K508 ML20099K512 ML20099K542 ML20099K556 ML20099K559
References
FOIA-84-105 NUDOCS 8411290342
Download: ML20099K172 (3)

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TABLE 1 R3M Rod Block Setpoint Summarv p

1.

Current Tech. Spec -

RB =.65W + 45 2 Pump Operation 2.

Proposed (July 9, 1975)

RB =.58W + 49 App. K Tech. Spec -

2 Pump Operation 3.

Combination of (1) and R3 =.65W + 42 (2) for Administrative Limit until App. K Tech.

Specs. Issued - 2 Pump Operation 4.

NEDO - 20999 Requirement R3 =.65W + 42

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Applied to Current Tech.

Spec - 1 Pump Operation 5.

NEDO - 20999 Requirement R3 =.SSW + 46 Applied to Proposed App.

K Tech. Spec - 1 Pump Operation (Proposed Herein) 6.

Combination of (4) and (5)

RB =.65W + 39 for Administrative Limit Until App. K Tech. Specs.

Issued - 1 Pump Operation I

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- t hT.ACTCH F.OTECTION SYSTC4 (SCRAM) If EUXENfATION 1!MUIRE"C.NT lui.:. :.'.::ter Modes in Which Itactior.

Mast Pc 'Operabic S i.

f Operchie inst.

han.el: per Trip Trip Fenetion Trip Level Sebting Heruel (7)

Startup/ilot Hun Action (1)

Standby (1) Se tes X

X X

A 1

Mode Ssitch in Shutdown X

X X

A 1

X:cucl Scran E01 3

!!igh Flux 5120/125 of fu11 scale X

X (5)

A l8 X

X (5)

A 3

Inoperative (14) (15)

(17)

(17)

X A or B l8

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h AFit:

2 ~

ilich Flux X

X(9)

X A or B 2

Inoperative 2

Downscalc 22 5 Indicated on Secle (11)

(11)

X(12)

A or 3

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2 High Flux (15%)

$15% of Design Power X

X (16)

A or B 8 m

2 High Reactor Pressure s1085 p:ig X(lb)

X X

A 2

Eich Ory ell, Pres:urc

$2 psig X(6)

X(8)

X A

2 Reactor Lo.t Water Level 29 In. Indicated Level X

X X

A HiCh Water Level in Scras 2

Discharge Tank g39 cellons X(2)

X X

A 2

?arbine Condenser Lov 2 3 In. H3. Vacuus X(3)

X(3)

X A or C

~ j 2

Vacuus 2

Esin Stecs Line liiEh 67X Ilor:e.1 htll Fo er Radiation Bachcround X

X X

A or C 4

E:in Steca Line I: ole-tion Velve Clo:urc

$107. Valve Clocurc X(3)(6)

X(3)(6)

X(6)

A or C 2

?.trb. Cont. Valve Fast 2:150 psiC Control Oil Pre:-

sure et Acceleration Belcy X(4)

X(4)

X(4)

A or D M

Clesure k

?.irhine 7, top Velvt Olocu-:, cim*, Valve Closure X(h)

X(4)

X(4)

A or D

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• APRM'high flux scram setpoint 3 (.58W + 62)

Two recirc. pump operation n (.58W + $9)

A One recirc. pump operation C

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TABLE 3.2.C IIICTlalME!ITATI0tt T11AT IllITIATES ROD BLOCKS i

-e Minimu= J of Operable Instrument Trio Level Setting 4

5 Channels Per Trin Systems (1)

Instrument b

AP!41 Upscale (Flov (0.58W + 49) (g^p7) **

(2) ll' 2

Biased)

A1 2

N (0.58W + 46) [MTPF I

be u

2 APRM Lownscale 2.5 indicated on scale Q

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(0.58w + 49) *=

(2) g 1 (7)

Rod Block Monitor (Flow Biased)

(0.58W + 46)

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d 1 (7)

Rod Block Monitor 5/125 of, full scale

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Downscale I!tM Downscale (3) 5/125 of full scale 3

'3 IItM Detector not in (8)

Startup Position 3

IIt!! Upscale i 108/125 of full scale

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2 (5)

SitM Detector not in (h)

Startup Position 5

2 (5) (6)

SHM Upscale 1 10 counts /sec.

5

• 0ne Rectrc. Pump Operation Y

• a r.c Reci re. Pump Operation s

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