ML20210P513

Proposed Tech Specs,Replacing Phase Imbalance/Underpower Relay for Each Reactor Coolant Pump W/Undercurrent Relays

ML20210P513
Person / Time
Site:	Rancho Seco
Issue date:	09/22/1986
From:	SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML20210P451	List: ML20210P447 ML20210P513
References
TAC-63080, NUDOCS 8610060787
Download: ML20210P513 (2)

Text

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t RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS

• Table 3.5.1-1 (Continued)

INSTRUMENTS OPERATING CONDITIONS (c)

(A) (B) Operator Action if Functional Unit Total Number of Minimum Channels Conditions of Columns A Channels Operable and B Cannot be Met

9. Reactor Building Purge Isolation 2 1 Operation may continue provided the purge on high radiation inlet & outlet valves of the inoperable i channel (s) are closed & their respective breakers de-energized or comply with

, 3.5.1.2. At cold shutdown or refueling, each of the purge inlet and outlet valves will be closed.

f Auxiliary feedwater

, 1. Low Main feedwater Pressure: See Section 3.5.1.2 i I Start Motor Driven Pump and

, Turbine Driven Pump 2 1

! 150><2. Undercurrent RCP:

Start Motor Driven and ,

Turbine Driven Pumps 2 1 i

4 r

i Proposed Amendment No. 150 3-30a 861006d3787 8605N22 PDR ADOCK ODOCH3312 1 p POR i

RANCHO SECO UNIT 1 TECHNICAL SPECIFICATIONS , .

Sureelliance Standards .

Table 4.1-1 (Continued)

INSTRUMENT SURVEILLANCE REQUIREMENTS s'

Channel Description Check Test Calibrate Remarks

42. Reactor Building drain accumulation tank level NA NA R -

43. Incore neutron detectors M(1) NA NA (1) Check functioning, including f unctioning of computer read-out and/or recorder reJdout.

44, a. Process and area radt-ation neonitoring system W M Q

b. Containment Area Moni tors W NA R

45. Emergency plant radiation Instruments M(1) NA R (1) Battery check

46. Environmental air monitors M(1) NA R (1) Check functioning

47. Strong motion accelerometer Q(1) NA R (1) Battery check

48. Auxiliary Feedwater Start Circuit 150 4 a. Undercurrent RCP S NA R

b. Low Main Feedwater .

Pressure NA M R

49. Pressurizer Water Level M NA R

50. Auxiliary Feedwater Flow Rate M NA R

51. Reactor Coolant System Sub-cooling Margin Monitor M NA R

52. EMOV Power Position Indicator (Primary Detector) M NA R

53. EMOV Position Indicator (Backup Detector) M NA R T/C or Acoustic

54. EMOV Block Valve Position ^

Indicator M NA R

55. Safety Valve Position In-dicator (Primary Detector) M NA R T/C 56 Safety Valve Position In-dicator (Backup Detector)

Acoustic M NA R Proposed Amendment No. 150 4-7b