ML20039C731

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Of Control Sys Design Criteria for Recovery Facilities
ML20039C731
Person / Time
Site: Crane Constellation icon.png
Issue date: 07/21/1981
From:
BECHTEL GROUP, INC.
To:
Shared Package
ML20039C723 List:
References
13587-2-J01-100, 13587-2-J1-100, NUDOCS 8112300089
Download: ML20039C731 (19)


Text

Design Criteria 13587-2-J01-100 c

GPU SERVICE CORPORATION THREE MILE ISLAND - UNIT 2 RECOVERY FACILITIES DESIGN CRITERIA DOCUMENTS i

COVER SHEET 13587 DISCIPUNE: _ Control Systems

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JOB NO.

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DESIGN CRITERIA DOCUMENTS DisclPLINE I

CONTROL SYSTEMS 9

REVISION STATUS SHEET

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D: sign Critsria 13587-2-J01-100 CONTROL SY'. EMS DESIGN CRITERIA FOR THREE MILE ISLAND--UNIT 2 TABLE OF CONTENTS SECTION TITLE PAGE

1. 0 INTRODUCTION 1

2.0 CODES AND STANDARDS 1

3.0 DEFINITIONS 2

4.0 CENTRALIZED CONTROL 3

4.1 Command Center 3

4.2 Local Control Panels 3

5.0 ANNUNCIATION SYSTEM 4

6.0 CONTROL AND INSTRUMENTATION EQUIPMENT 4

6.1 General Requirements 4

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6.2 Equipment Enclosures 5

6.3 Recorders and Indicators 6

6.4 Pressure Instruments 6

6.5 Flow Instruments 6

6. 6 Level Instruments 7

6.7 Temperature Instruments 7

6.8 Process Switches 8

6.9 Materials Prohibited in Nuclear Service 8

6.10 Seismic Design Criteria 8

7.0 INSTRUMENT APPLICATION AND INSTALLATION 8

7.1 General 8

7.2 Process Connection Standard 9

7.3 Field Sensing Lines 9

7.4 Process Indication 9

7.5 Single Root Valves 9

7.6 Instrument Valves and Manifolds 10 7.7 Accessibility 10

7. 8 Non-Seismic Category I Equipment in a Seismic Category I Structure 10 8.0 CONTRnl VALVES 10 9.0 INSTRUMENT AIR SYSTEM 11 10.0 SAMPLING AND ANALYSIS SYSTEMS 11 im..

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/T' 11.0 RADIATION MONITORING 12

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11.1 General 12 11.2 Characteristics 12 11.3 Range 13 11.4 Alarms 13 11.5 Operability 13 12.0 CLOSED CIRCUIT TELEVISION SYSTEM 13 12.1 General 13 12.2 Cameras 13 12.3 M'.nitors 14 12.4 Recording 14 12.5 Training 14 13.0 RADIO COMMUNICATIONS 14 13.1 General 14 13.2 Basic System 14

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D: sign Criterio 13587-2-J01-100

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1.0 INTRODUCTION

This document delineates the control systems design criteria for the recovery activities at Three Mile Island - Unit 2.

It does not address mortifications to existing plant systems for reconstruction.

Included ara general design requirements as well as codes and standards which shall be used as the basis for system design.

2.0 CODES AND STANDARDS i

The design of control systems and equipment shall conform to all appli-cable portions of the latest issue (unless otherwise indicated) of the following codes and standards including addenda where applicable. NRC Regulatory Guides, Branch Technical Positions, and Code of Federal Regulations are listed in the General section of the Project Design Criteria. Compliance to these documents shall be discussed in the individual facility or system design criteria.

2.1 American National Standards Institute (ANSI) 82.1 Pipe Threads (except dryseal)

B16.5 Steel Pipe Flanges and Flanged Fittings B16.10 Face-to-Face and End-to End Dimensions of Ferrous Valves B16.11 Forged Steel Fittings, Socket Welding and Threading B16.25 Butt-Welding Ends B16.34 Steel Valves - Flanged and Butt Welding Ends B16.104 American National Standard for Control Valve Seat Leakage B31.1 Power Piping N13.1 Guide to Sampling Airborne Radioactive Materials in Nuclear Facilities N13.10 Specification and Performance of Onsite Instrumentation for Continuously Monitoring Radioactivity in Effluents 2.2 American Society of Mechanical Engineers (ASME)

Boiler and Pressure Vessel Code Section II Material SpecificationsSection IX Welding and Brazing Qualifications Fluid Meters

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D; sign Critsr.ia 13587-2-J01-100 2.3 American Society for Testing and Materials (ASTM)

Standards as applicable 2.4 American Welding Society (AWS)

D1.1 Structural Welding Code 2.5 Bechtel Thermal Power Organization (TPO)

Control Systems Design Standards and Guides Control Systems Drawing Standards and Standard Details 2.6 Instrument Society of America (ISA)

Standards as applicable 2.7 Insulated Cable Engineers Association (ICEA)

S-19-81 Rubber Insulated Wire and Cable for the Transmission and Distribution of Electrical Energy 2.8 Manufacturers Standardization Society of the Valve and Fitting L

Industry (MSS)

SP-25 Marking System for Valves, Fittings, Flanges and Unions SP-55 Quality Standard for Steel Castings - Visual Method SP-61 Pressure Testing of Steel Valves SP-72 Ball Valves with Flanged or Butt-Welding Ends for General Service SP-84 Steel Valves - Socket Welding and Threaded Ends 2.9 National Electrical Manufacturers Assorjation (NEMA)

ICS 6 Enclosures for Industrial Controls and Systems 2.10 Project Standards and Documents e

Project Engineering Procedures Manual TMI-2 Final Safety Analysis Report and Amendments

3. 0 DEFINITIONS The definitions of terms which are frequently used in the Design Criteria are provided in the general section of the Project Design Criteria.

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D: sign Crit:ria 13587-2-J01-100

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4.0 CENTRALIZED CONTROL 4.1 COP 94AND CENTER (see Personnel Access Facility Design Criteria 13587-2-G01-102) 4.2 LOCAL CONTROL PANELS 1

4.2.1 Local control panels shall be provided with sufficient alarms, status lights, controls, and indications to permit local startup and operation of the systems provided for the cleanup effort.

4.2.2 Local control panels shall be NEMA Type 12 control panels located away from the process equipment. These panels shall be rigidly braced, provided with lifting eyes, if required, and designed for bolting to the wall or floor.

Floor-mounted panels shall be provided with 120 V ac lighting and convenience outlets.

4.2.3 Panels shall be as completely wired and assembled as practicable with all devices installed so'that the entire assembly is an operating unit ready for installation.

4.2.4 Panels shall be furnished with a copper ground bus extending the full length of the cabinet. A ground lug shall be furnished at each end of the ground bus for connection of a 4/0 AWG bare copper station ground cable.

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4.2.s Panels shall be designed to accept top or bottom entry of conduit sized large enough to carry the required external cables.

1 4.2.6 Mimic Diagrams Panels shall utilize mimic diagrams to assist the operator in working with systems having complex interconnections.

4.2.7 Wiring 4.2.7.1 Panel wiring shall be Class B stranded copper, No. 14 AWG l

minimum with insulation rated for 90 C conductor temperature and meet l

the requirements of ICEA S-19-81.

Polyvinyl chlo, ride (PVC) type insula-tion shall not be used.

Class C stranding shall be used for applications subject to excessive flexing.

No. 16 AWG or larger shielded and twisted l1 pairs shall be used for all low level signal wiring to prevent noise interference.

Shields shall be continuous and grounded at one point only.

l 4.2.7.2 Wire terminations shall utilize terminal blocks with sliding I

links to the maximum extent possible.

4.2.7.3 Wires shall not be spliced between terminal connections. Wire nuts shall not be used for any connections.

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4.2.7.4 Each conductor shall be identified with its wire number at each 1

end by a permanent marker.

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D2 sign Criteria 13587-2-J01-100 4.2.7.5 Wiring connections other than low-level wiring soldered connec-tions shall be made with crimp-type ring-tongue terminals with insulated ferrules.

4.2.8 In addition to the information displayed on the local control panels, certain key parameters may also be displayed in the plant main control room, e.g., systems designed to comply with Regulatory Guide 1.143 shall have a high level alarm bot locally and in the plant control room for tanks containir.g liquid.

5.0 ANNUNCIATION SYSTEM 5.1 If required, annunciator displays shall be provided on the top section of the control panels.

Design shall be solid-state. The annun-ciation system shall be supplemented by process indication and status lights. All annunciator windows shall be 3 inches wide by 3 inches high with engraved 1/4-inch characters. Alarm circuits should be normally closed, and open to alarm.

Relays should be normally energized and de-energized to alarm.

An auxiliary relay shall be provided for each window which shall de-energize when the window is in an alarm state.

5. 2 The number of annunciation points shall be minimized, and nuisance alarms on equipment starting and shutdown shall be suppressed.

6.0 CONTROL AND INSTRUMENTATION EQUIPMENT b

6.1 GENERAL REQUIREMENTS 6.1.1 Sional Levels 6.1.1.1 Instrumentation system analog signal transmission, except for RTD and TC signals, shall utilize 4 to 20 ma de levels, wherever possible, for both inputs and outputs.

Pneumatic signal transmission shall utilize 3 to 15 psig signal levels.

6.1.1.2 All control circuits shall be 120 V ac or 125 V or less dc.

1 6.1. 2 The minimum accuracy of instruments in percentage of full-scale value shall generally be as indicated below:

a.

Transmitters and recorders:

1/2 percent b.

Temperature indicators and pressure gauges:

1 percent c.

Process electronic indicators:

2 percent.

6.1.3 Electronic field transmitters shall be non-indicating.

6.1.4 Pneumatic transmitters can either be indicating or non-indicating.

The non-indicating type shall utilize an output pressure gauge as a local indicator.

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D2 sign Criteria 13587-2-J01-100 6.1.5 A sealed bellow or diaphragm shall be used to separate the process-l1 fluid from the pressure, flow, or level censor when the process fluid is highly radioactive.

6.1.6 Process control and alarm shall not depend upon a common device.

These functions shall be derived from separate instruments.

6.1.7 Indicating Licht Colors t

The colors of the indicating lights shall be as follows:

Color Function Red Pump:

running Valve:

open Breaker: closed Heater:

on Green Pump:

stopped Valve:

closed Breaker:

tripped Heater; off Orange Lock-out Blue Status Amber Specials where designated 6.1.8 Nar.eplates and Identification Taas 6.1.8.1 Nameplates shall be mounted to panels, racks, or mounting brackets to identify the function and the specific controlled device identification tag number rather than the specific device. Devices-shall have engraved metallic identification tags which shall provide permanent device identification.

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6.1.8.2 Nameplates shall be white lamacoid with black letters.

6.1.9 In the event of an electrical or pneumatic failure or any unde-sirable deviation from normal operation, the system shall trip into a shutdown condition which provides protection for the equipment and en-sures the safety of operating personnel.

6.2 EQUIPMENT ENCLOSURES 6.2.1 Instrument housings located outside of the plant main control room and command center shall be NEMA Type 4 except where other enclosure classes are advisable for specific applications.

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6.2.2 Plant main control room and command center equipment enclosures l (fy shall be NEMA Type 12.

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Design Critoria 13587-2-J01-100

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6.3 RECORDERS AND INDICATORS 6.3.1 Process recorders shall generally be 3x6 inch or 6x6 inch type with 4' inch nominal chart width.

6.3.2 Indications shall be provided for normal and safe operating areas on indicators.

I' 6.3.3 Legends for process variables shall be provided for all indica-tors and recorders.

1 Key process parameters m' y be displayed on 41/2-inch or larger 6.3.4 a

square switchboard indicators (250-degree scale) to provide extra empha-sis or long distance visibility.

6.3.5 Indicators shall match the calibrated span of the transmitted variable.

6.4 PRESSURE INSTRUMENTS 6.4.1 Pressure gauges shall be 41/2-inch diameter, phenolic case with white face.

Larger gauges shall be provided as required for readability.

6.4.2 Pressure devices on pulsating services shall be equipped with pulsation dampeners.

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6.4.3 Pressure elements shall be a type suitable for the process vari-ables and of material with the required corrosion resistance.

6.5 FLOW INSTRUMENTS 6.5.1 Concentric orifice plates using flange taps with beta ratio from 0.20 to 0.75 shall be the preferred metering method.

6.5.2 Orifice plates should be installed in horizontal lines where possible.

If installed in vertical lines, the flow shall be downward for gas and steam, and upward for liquid.

6.5.3 Flowmeter straight piping run requirements and installation techniques shall be in accordance with ASME Fluid Meters, 6th Edition, l

1971.

6.5.4 Linear scales generally shall be used for flow indication and recording.

6.5.5 In-line paddle flow switches shall not be used in service where a detached paddle could cause a hazard to equipment.

6.5.6 Flow instruments in general shall have scales with flow units as follows:

a.

Steam

- lb/hr l

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Dosign C-iteria 13587-2-J01-100

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b.

Liquids gpm c.

Gases

- scfh or scfm 6.5.7 To measure flow in lines 3/4-inch and smaller, rotameters shall be used where possible.

6.5.8 Orifice plate thickness for 10-inch pipe and less shall be 1/8-inch unless subjected to high stress which would require a greater thickness.

6.5.9 The differential should be 50 or 100 inches of water for liquid service, and for gas or steam, the differential in inches of water should not exceed the line static pressure in PSIA.

6.6 LEVEL INSTRUMENTS 6.6.1 Gauge glasses used in conjunction with level instruments shall cover a range in excess of t,at covered by the instrument.

6.6.2 Tubular gauges shall be avoided wherever possible and used only on services near atmospheric pressure and where breakage would produce no hazard. Tubular gauges shall not be used on corrosives, flammable liquids, or radioactive services.

6.6.3 Displacement-type level instruments shall generally be used for low range (less than 20-inch) measurement and control.

C 6.6.4 Differential pressure-type level instruments shall generally be used when the measured range exceeds 60 inches.

6.6.5 Differential pressure-type instruments shall be used on large outdoor tanks.

1 6.6.6 Level scales shall generally be in gallons.

6.6.7 Permanently installed level indication shall be included on all vessels containing liquid.

6.7 TEMPERATURE INSTRUMENTS 6.7.1 Dial thermometers shall generally have 5-inch diameter dials, white face, and be of the adjustable angle type, bimetal actuated.

6.7.2 RTDs shall ba 100-ohm platinum type, 3-or 4-wire circuit, as required, ungrounded.

6.7.3 Thermocouples shall be iron constantan, ISA Type J, ungrounded.

6.7.4 Temperature sensing elements shall be spring-loaded wherever possible.

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Dssign Critzria 13587-2-J01-100 f'

6.7.5 All temperature eltseents, including switches, with the exception of HVAC and surface measurement applications shall be installed using thermoweIls.

6.7.6 The resonant frequency of all thermowells as installed in the process fluid shall be greater than 1.25 times the flow-induced forcing frequency.

6.7.7 Minimum thermowell insertion length shall be 3 inches.

6.8 PROCESS SWITCHES 6.8.1 Switches shall be applied so that the actuation point is within the center one-third of the instrument range wherever possible.

6.8.2 Temperature switches shall be gas-or vapor-actuated with stain-less steel capillary armor.

6.8.3 8istable units on the output of pressure and temperature trans-mitters shall be considered in lieu of process-actuated switches if extreme accuracy is required.

6.8.4 Switches with external adjustments shall be avoided.

6.8.5 Switches shall be of the snap action type.

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6.8.6 Field contacts in process switches shall be rated 5 amperes at 120 V ac and 0.5 ampere, inductive, at 125 V dc.

6.9 MATERIALS PR0HIBITED IN NUCLEAR SERVICE The use of mercury and polyvinyl chloride (PVC) shall be eliminated as far as practicable for any instrumentation application. Teflon shall not be used if the predicted accumulated dose exceeds 104 rads.

6.10 SEISMIC DESIGN CRITERIA All equipment and installations covered by this criteria are classifiec as non-seismic Category I.-

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7.0 INSTRUMENT APPLICATION AND INSTALLATION l

l 7.1 GENERAL 7.1.1 The use of racks, panels, or mounts for mounting field trans-mitters and process switches shall be minimized.

7.1.2 All instrument tubing shall be firmly supported and secured against vibration.

Tubing runs shall be routed to preclude air pockets or liquid traps as applicable.

7.1.3 Instruments used for air or gas service shall be mounted above

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line with the process tap off the top of the process pipe.

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Dasign Criteria 13587-2-J01-100

{J 7.1.4 Instruments used for liquid or steam service shall be mounted below line with the process tap off the side of the process pipe.

7.1.5 Field sensing lines shall be installed with a minimum slope of 1/4-inch per foot.

The direction of slope shall be determined by the requirements of the process system, i.e., steam, air, or water.

7.1.6 In-line flow devices which are subject to periodic maintenance, e.g., rotameters, shall be provided with isolation and bypass valves.

7.2 PROCESS CONNECTION STANDARD 7.2.1 The following process connection sizes should be used for instru-mentation connections:

a.

Pressure - 3/4 inch b.

Temperature - 1 inch c.

Level - 1 inch (except displacer type use 1-1/2 inch) 7.2.2 Process connection bosses or flanges shall be installed in the line pipe at the pipe fabricator's shop.

Field installation work, if possible, shall not include burning or drilling into shop-fabricated piping.

7.3 FIELD SENSING LINE

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Field sensing lines end sample lines generally shall utilize 3/8-inch OD, 0.065-inch wall thickness tubing and compression fittings. Socket weld fittings shall be used where tubing is joined by welding. Tubing and fitting material shall be 300 series stainless steel.

7.4 PROCESS INDICATION 7.4.1 Process indications which are required on a day-to-day basis for equipment operating guidance, or are needed for determination of equip-ment status, or for maintenance guidance, shall be displayed on a local

-indicator visible from the operating location.

7.4.2 Differential pressure indicators shall be permanently installed across filter units, screens, strainers, and demineralizers when the process equipment is part of a major process system.

7.4.3 Instruments, excepting temperature detectors, shall not be in-stalled on equipment or piping subject to vibration.

7.5 SINGLE ROOT VALVES Single root valves shall be provided for instrument line shutoff.

In the case of an instrument line penetrating a shield wall, an additional root valve shall be added outside the shield wall.

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7.6 INSTRUMENT VALVES AND MANIFOLDS Instrument valves or manifolds shall be installed at each instrument.

7.7 ACCESSIBILITY 7.7.1 Instruments shall generally be located so that they are readily accessible from permanent structures, such as operating floors, plat-forms, and caged ladders on tanks.

7.7.2 Instrument Location 7.7.2.1 Instrumentation displays required on a continuous basis shall not be located in zones where radioactivity exceeds 2.5 mrem /hr.

In-strumentation displays that are required infrequently (i.e., less than 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per 8-hour shift) may be located in zones less than 25 mrem /hr.

7.7.2.2 No process indicators shall be provided in zones where radio-activity exceeds 25 mrem /hr.

7.7.3 Transmitters and other signal processing equipment shall be accessible for maintenance, test, servicing, and calibration during operation. Functional integrity of such systems shall not be com-promised, however, to achieve such accessibility.

7.7.4 Primary instrument devices, located in high-radiation areas,

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shall be designed for easy removal to lower radiation zones for cali-bration, or facilities for in situ calibration shall be provided.

If possible, all process instrumentation, except flow elements and temper-ature detectors, should be located in low-radiation areas.

7. 8 NON-SEISMIC CATEGORY I EQUIPMENT IN A SEISMIC CATEGORY I STRUCTURE Non-seismic Category I equipment in a seismic Category I structure shall be located such that its failure or collapse will not compromise seismic Category I equipment.

8.0 CONTROL VALVES 8.1 Control valve minimum body size shall be one inch nominal with reduced trim as applicable.

8. 2 Control valves shall not be provided with bypass or isolation valves except where specific operating or maintenance circumstances demonstrate the need for such valving.

8.3 Control valves shall be provided with handwheels.

8.4 Flanged connections shall be used for control valves for mainte-l nance, except where piping specifications for hazardous or other special conditions preclude flanged connections.

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Dzsign Critsria 13587-2-J01-100 h

8.5 Control valves shall have ribbon grafoil packing with a leakoff connection (pipe nipple socket welded into bonnet) at the lantern ring if required.

8.6 Generally, control valve body size shall be no more than one stan-dard nominal size smaller than line size.

8.7 Cast iron valve bodies shall not be used.

8.8 Valve body material shall be the same as the attached piping unless 1

a need for a different material can be demonstrated.

8.9 Control valves used in modulating service shall be sized using the manufacturer's capacity rating at 85 percent of lift to equal or exceed the maximum required design flow capacity. Exceptions to this criterion may be considered on -a case basis.

8.10 Solenoid coils shall be rated 120 V ac or 125 V dc.

Coil insula-tion shall be Class H, suitable for ambient temperatures of 200 F.

Lugged connectors shall be installed on the solenoid leads and. covered with heat shrink tubing to allow easy replacement.

8.11 Limit switches shall be provided at both open and closed positions.

9.0 INSTRUMENT AIR SYSTEM

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Individual air reducing stations shall be provided, rather than group devices on a low pressure header, except that low pressure headers may be used inside cabinets and on racks.

10.0 SAMPLING AND ANALYSIS SYSTEMS 10.1 For process points which require continuous sampling or sampling at a frequency of more than once a week, the sample should be routed to a centralized sampling station.

(Exception: No sample lines shall be routed to the hot chemistry laboratory.)

. 10.2 Local grab samples, rather than permanently installed sample lines to a centralized station, shall be provided for those process points which require sampling at a frequency of less than once a week, or require heat tracing. Except for heat-traced sample lines, these local sample stations shall be located in zones where radiation is less than l

25 mrem /hr to the extent pr?cticable.

10.3 Sample lines carrying rautoactive substances shall be fabricated using techniques that minimize " crud" traps. Where practicable, sampling shall be accomplished through the use of in-line connections which return flushed samples to process lines, in order to minimize radwaste processing. To facilitate the sampling of radioactive fluids, quick-connector type connections shall be utilized.

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10.4 High energy process samples shall be conditioned and reduced below 30 psig and 140 F for safety of operators.

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D; sign Crittria 13587-2-J01-100 h

10.5 Fume hood, sink, and flushing water facilities shall be provided as necessary.

10.6 For samples which are withdrawn from radioactive lines, two valves shall be provided: one at the process connection and one outside the shield wall.

10.7 Shielding shall be provided at the local sample stations to main-i tain radiation zoning in proximate areas and minimize personnel exposure during sampling.

10.8 Effluent sampling provisions shall be provided to demonstrate compliance with all applicable effluent regulations.

I 11.0 RADIATION MONITORING 11.1 GENERAL Radiation monitoring shall be provided to monitor normal and abnormal radiation levels in areas where radioactive material may be present, stored, handled, or inadvertently introduced and to monitor selected process lines including HVAC ductwork for radiation in excess of accept-able limits.

11.2 CHARACTERISTICS

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11.2.1 Area radiation monitors, including constant air monitors and/or radiation area monitors, with local audible and visual alarms and a ratemeter shall be provided for the protection of personnel in those areas which require accessibility.

11.2.2 All area radiation monitors shall be indicated and recorded in the command center.

Indication and alarms may be provided in other areas, such as the control room, to provide adequate control and alarm response.

I 11.2.3 Process radiation monitors shall be provided for certain process systems, ventilation systems, and all unit effluent streams to ensure compliance with the Code of Federal Regulations; Title 10, parts 20 and 50, Regulatory Guide 1.21 and GDC-64.

The ventilation system radiation monitors shall also provide protection to personnel from airborne radio-activity.

11.2.4 Indication shall be provided in the command center for all l

process monitors.

Indication and alarms may be provided in other areas, y

such as the control room, to provide adequate control and alarm response.

11.2.5 All effluent monitors and the corresponding flowrate shall be recorded in the command center.

11.2.6 The ventilation system airborne samples shall be extracted in accordance with the requirements of ANSI N13.1.

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DIsign Criteria 13587-2-J01-100

'{4 11.2.7 Process and ventilation radiation monitor sample lines shall be sized and routed to minir.ize sample plate-out.

11.3 RANGE 11.3.1' Area radiation monitors shall have a calibrated range dictated by the area in which they are located.

11.3.2 Process monitors shall have ranges established in accordance l

with the requirements of a particular application.

11.4 ALARMS Loss of power, alert, and high radiation alarms shall be provided in the command center.

11.5 OPERABILITY Process and area radiation monitors shall be provided with a check source of a known intensity to verify operability.

12.0 CLOSED CIRCUIT TELEVISION SYSTEM 12.1 GENERAL

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A closed circuit television (CCTV) system shall be provided to monitor p'

equipment and/or selected work activities. The degree to which CCTV L

shall be utilized shall be discussed in the specific design criteria.

12.2 CAMERAS 12.2.1 Conventional 12.2.1.1 These cameras shall provide general surveillar.ce of areas where work activities are being performed.

12.2.1.2 Each camera shall be provided with controls located at the monitoring station (s) which permit remote pan, tilt, focus, and zoom.

12.2.1.3 These cameras should be designed consistent with their operating environment.

12.2.2 Underwater 12.2.2.1 Submersible cameras shall be provided to cover the activities associated with defueling of the reactor vessel.

12.2.2.2 Controls for remote operation shall be located at the moni-toring station (s).

12.2.2.3 Lighting for the cameras should be self-contained or attached, as required for the particular operation.

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Design Criteria 13587-2-J01-100

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12.2.2.4 These cameras shall be constructed of radiation resistant materials. The actual design parameters will be detailed in the Technical Specification.

12.3 MONITORS 12.3.1 Monitoring stations shall be provided at selected locations for the remote viewing of the outputs of all cameras.

t 12.3.2 Monitors with the capability of monitoring the output of any camera should be provided for visitor or management briefings.

12.3.3 A monitor with the capability of monitoring the output of any camera should be provided for the purpose of permitting the workers to familiarize themselves with the in-containment work areas and activities prior to entry.

12.4 RECORDING Video cassette recorders (VCR) shall be provided to record the outputs of all cameras in the system to provide a permanent record of all activ-ities associated with the cleanup effort and to provide a tool that could be used for training of the work crews.

12.5 TRAINING C'e-A system comprising a color video cassette recorder, a color monitor, and a portable color camera shall be provided for preparing training tapes, playback of offsite produced training tapes, and recording special onsite events.

13.0 RADIO COMMUNICATIONS 13.1 GENERAL A radio communications system shall be provided which permits audio communications between personnel located in the command center and work crews located in the containment, containment air control envelope (CACE) in the containment recovery service building (CRSB) and the fuel handling building.

13.2 BASIC SYSTEM 13.271 A duplex system should be utilized for communications between the command center and the portable radios (walkie-talkies).

13.2.2 The portable radios should be provided with a talk-around fea-ture that would permit communications between the work crews in contain-ment without going through the command center.

13.2.3 The portable radios shall be compact and self-contained.

They shall be provided with a rechargeable battery good for at least eight hours of continuous service.

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Drsign Crittria 13587-2-J01-100 13.2.4 The headsets shall be an integral earphone and microphone unit C-which can be worn comfortably beneatn anti-contamination headdress and air masks. Activation of the portable radios.shall be accomplished without deliberate use of the hands.

13.2.5 An antenna shall be provided in the containment which permits communications from any location.

13.2.6 The central control unit shall be positioned in close proximity

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to a CCTV monitoring station so that audio and video communications can be coordinated.

13.2.7 The central ~ control unit shall be provided with a telephone patch to permit communications with offsite personnel.

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