ML17213A533

Suppl 1 to Near-Term OL Summary Human Engineering Rept on St Lucie Unit 2 Control Room.

ML17213A533
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Site:	Saint Lucie
Issue date:	09/07/1982
From:	FLORIDA POWER & LIGHT CO.
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Text

NTOL

SUMMARY

HUMAN ENGINEERING REPORT ON ST. LUCIE UNIT NO. 2 CONTROL ROOM Supplement No. 1 Presented to:

. Nuclear Regulatory Commission Prepared by:

Florida Power R Light Company September 7, 1982 8210050+ +050003gq pDg ADOCK A

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TABLE OF CONTENTS J

~Pa e 1.0, Introduction 2.0 'ummary 3.0 E'valuation and Assessment 3.1 Contiol Room and Remote Shutdown Panel Environments 3.2 Control Room General Layout

3. 3 Operators Consoles (Cardboard Mockups).

3.0 Communications Equipment 3.5 Control and Display Final Installation 3.6 Auditory Signal System 3.7 Plant Process Computer 3.8 Protective Equipment Storage and Availability l

0.0

~ Status of Special Studies 0.1

~ Labeling 0.2 Demarcation 0.3. Annunciator Review 0.0 Coding Conventions 0.5 Lighting 0.6 Lamp Test Survey 0.7 Control Room Engineering Design Integration Team Review 0.8 Administrative Controls 0.9 Miscellaneous

LIST OF TABLES AND FIGURES

~Pa e 3.1.A Normal AC Lighting Levels 3.1.B D. C. Illumination 3.1.C Lighting Levels - A DG AC Lights and B Battery BUS DC Lights 3.1.D Lighting Levels - B DG AC Lights and A Battery BUS DC Lights 3.1.E ~

Lighting Levels - B DG AC Lights with Manual Reset and A Battery BUS.DC Lights 3.1.F Lighting Levels A and B DG AC Lights 3.2.A Control Room Layout 3.2.B Table - Control Room Layout and Storage O. I.A YUREG-0803 Supplement No. 1 HED Status Summary

SUPPLEMENT NO. 1 TO NTOL

SUMMARY

HUMAN ENGINEERING REPORT

1.0 INTRODUCTION

On April 29, 1981, the Essex Corporation was contracted by the Florida Power h Light Company (FPRL) to provide Human Engineering (HE) consulting services to assist in the assessment of several nuclear power plant control rooms as required by Task I.D. of NUREG-0660 and suggested guidelines in NUREG/CR-1580. One task of Essex's was to conduct a preliminary prelicensing review of the St. Lucie Unit No. 2 Control Room (CR),

the results of which were transmitted to the Nuclear Regulatory Commission (NRC) along with the summary report on 3uly 6, 1981.

This supplement presents a summation of the results of the joint Human Engineering assessment effort at the St. Lucie Unit No. 2 Nuclear Power Plant required to address

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those open items identified in Appendix C of NUREG-0303 Supplement No. l ~Safet

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Evaluation Re ort related to the o eration of St. Lucie Plant Unit No. 2 Docket No. 50-

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389. In addition this supplement includes a schedule for the implementation of the addition work items and/or engineering review programs necessary to correct those Human Engineering Discrepancies (HEDs) which were identified as having a significant

~ . impact on safety related operating effectiveness. NUREG-0700, dated September 1981',

was used for guidance to evaluate the following systems and items which were not available for review at the time of the NRC site visit with details of exceptions noted in the specific sections: (1) the control room environment and the environment in the area of the remote shutdown panels, (2) the general layout of the control room. (3) the operator consoles (cardboard mockups), (0) the communications equipment, (5) the storage and availability of emergency equipment for use by operating personnel, (6) the final installation of controls and displays, (7) the auditory signal system, and (8) the plant process computer. In addition to the above information this supplemental report provides a summary status on those special studies, i.e., labeling, demarcation, annunciator review, coding conventions and lamp test survey as referenced in Supplement No. 1 of NUREG'-

0803.

As a result of the NTOL human engineering review, Florida Power and Light Company established the Control Room Engineering Design Integration Team (CREDIT).

This group consists of designated representatives from FPRL's contracted Human Factors Consultant, FPdcL's Power Plant Engineering Department, the Archetech Engineer's design engineering group, FPRL's Nuclear Energy Department (operations), FPRL's construction management as well as a representative from the NSSS (Combustion Engineering). The charter of this group is to ensure that those instruments/equipment and/or displays remaining to be installed as well as modifications to the existing control room~undergo a joint review and coordination effort to ensure that proper consideration has been given to:

o Human Factors Guidelines (NUREG-0700) o Design Convention o Operational interfaces o Maintainability o Engineering support

- o Project schedule o Construction support.

This effort is conducted prior to installation, or as in the case of new equipment

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prior to its layout design and fabrication, to ensure the selection of the best overall configuration consistent with current licensing and control room operating philosophy.~

2.0

SUMMARY

This report provides the current status to date on the eight (8) open items identified in the discussion section of Appendix C NUREG-0803 Supplement No. 1.

Where findings were available they are reported along with proposed 'corrective action and a schedule for implementation. If equipment was not available for review a discussion of equipment status and human factors NTOL effort is provided.

In addition to the required response a summary of the special review program efforts is provided identifying those findings being addressed by these special review programs. Due to the nature of these efforts deadline dates such as fuel load and and issuance of an operating license are used as milestone dates where applicable.

Completion of specific items may be accomplished prior to these milestones, however, they will be completed at a minimum by the previously agreed to milestone dates as outlined in Appendix C of NUREG-0803 Supplement No. 1. Where problems were encountered. which would effect completion of specific findings by the agreed to milestone dates explanations were given as well as any additional. information which was available at the time of this report's preparation.

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3.0 EVALUATIONAND ASSESSMENT This section presents information related to the items not available for review at the time of the NRC CRDR Audit, including:

o Control room and remote shutdown area environment

'I 0 CR general layout Operating console placement and configuration Communications equipment Emergency equipment storage and availability Control and display final installation Auditory signal system 0 Plant process computer.

Each of these is discussed as follows:

Effort Summary of the FPRL effort to date in designing/

evaluating these items Desi n inte ration of HFE ,Summary of the CREDIT approaches to integrating HFE concerns in the design of these items Status Summary of the HFE design, construction, implementation, and evaluation of these items.

3.1 Control Room and Hot Shutdown Panel Environment 3.1.1 Effort The major environmental areas of concern, from a human factors engineering perspective, are: lighting levels (normal and emergency), ambient noise, temperature and humidity.

~Li htin A lighting survey was conducted during the month of August, i9g2. The installation of all lighting fixtures and diffusers was complete. Data were taken under 1) full normal AC lighting 2) under full DC (emergency) lighting conditions and 3) under emergency AC lighting conditions assuming only one diesel generator start and load.

Using a Teletronics 316 digital pholometer and illuminance probe, light measure-ments in footcandles were taken at major operator work stations in the main control I

room. The probe was placed directly on the horizontal surface of desks, consoles and benchboards and other major visual reference points in the CR.

The measured locations and results are summerized on Figures 3.1.A and 3.1.B. The results were compared against the 0700 criteria. It was found that the normal ambient

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I illumination (with all banks of florescent lights lit) exceeded the highest levels recom-mended in the 0700 guidelines at all work stations. The DC (emergency) illumination was sufficient for personel safety in the immediate control room. The emergency AC lighting

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assuming the worse case (i.e. only one diesel generator start and load) was found to be as indicated. in figures 3.1.C, 3.1.D, 3.1.E, and 3.1.F.

These data are to be considered as follows: following loss of normal AC power, the D.C. lights illuminate. During this condition, instrument power is available, AC power is limited to that supplied by the qualified static converter. As the diesel generators start,

'control room AC lights are loaded on vital AC bus. For A and B diesel generators, a subset of the (otherwise) normal AC lights illuminate. Therefore, Figures 3.1.C thru 3.1.E demonstrate AC emergency lighting for:

o A DG start -B DG failure (B battery bus DC lights stay illuminated) o B DG start - A DG failure (A battery bus DC lights stay illuminated) o A 2 B DGs start (A R B battery bus DC lights extinguish).

IVith the exception of B DG start with A DG failure, emergency AC lighting levels are acceptable. For this.=ondition c (B DG AC lights with A Battery Bus DC Lights),

manually adding more banks of lights to the B DG AC lighting circuit results in lighting

FIGURE 3.1.A

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NORMAL AC LIGHTING LEVELS (FOOT.CANDLES) 10S 104

~133 152 SHUTDOV/N 28

'htATCH ENGINEER 73 NPS 60

FIGURE 3.1.8 DC ILLUMINATION

'(FOOT. CANDLES) 1.4 2.1 5.5 2.0 NPS, SHUTDOWN, WATCH ENGINEERS OFFICE, NO DC LIGHTING

LIGHTING LEVELS "A" DG ACFIGURE 3.1.C LIGHTS AND "B" BATTERY BUS DC LIGHTS (FOOT. CAN DLES) 52.0 0.59 8.1 0 @

0.15 0.27 60 51 2.6

FIGURE 3.1.D LIGHTING LEVELS "B" DG AC LIGHTS AND "A" BATTERY BUS DC LIGHTS (FOOT-CANDLES) 33 35 68 2.2 1.9 3.8 Ch 9 3 18 9.5 1.3

FIGURE 3.1.E LIGHTING LEVELS "B" DG AC LIGHTS WITH MANUAL RESET AND "A" BATTERY BUS DC LIGHTS (FOOT-CANDLES) 44 88 60 59 4&

76 15 81 69 59 94

FIGURE 3.1.F LIGHTING LEVELS"A" AND "B" DG AC LIGHTS

{FOOT-CANDLES) .

100 1.2 19 54 59 4.4

levels as shown in Figure 3.1.E, which affords accetable lighting levels. Further investigation revealed that this section of AC lights wiring was not yet complete. This lighting configuration is presently scheduled for retesting after completion of the system during the last week of September, 1982. Based on the other lighting condition (A DG AC Lights with B Battery Bus DC Lights), it is anticipated that adequate lighting levels will be realized using the B DG and A Battery Bus Lights.

Noise During the preliminary HFE evaluation of the PSL-2 CR an effort was made to assess the noise characteristics of PSL-2 using data from the sister plant, PSL-l.

It was.recognized that any data generated had limited applicability. However, accurate noise data for the PSL-2 CR and hot shutdown panels will not be available until the plant is operational. Currently, noise sources, such as the turbine, CR power supplies, HVAC systems, etc., are not representative of the operating plant. Given the above, the collection of noise data in the Unit 2 CR is viewed at this time as being inappropriate.

Ambient noise data were taken in the sister plant, Saint Lucie 1, in March, 1982.

The data suggests that ambient noise levels in the Unit 2 control room during full power operations will be acceptable. The Unit 1 data are summarized below:

Workstation Sound Levels (dB-A scale)

Fire panel ~ 59.5 Back panels 60.0 66.0 68.0 62.2 Radiation Panel 58.3 Main Boards Safeguards 60.2 CYCS/Nuclear 59.3 Rx Aux/Secondary 57.8 Electr ical 59.2 Communications Desk 59. 3 Operators Desk 58.0 Watch Engineers Office 58.5 Line Repeat Panel 57.9 At two CR locations; panels behind safeguards and behind the reactor auxiliary panel, ambient noise levels exceed the 0700 guidelines (of 65 dB(A)) by 3 and 1 dB, respectively.

The sound absorption characteristics of Unit 2 should approximate those of Unit 1, e.g., provision of paneling and carpets in the CR.

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Tem erature and Humidit As with the ambient noise survey in the Saint Lucie

'nit 2 control room, it is felt that the collection of temperature, humidity, and ventilation data are currently inappropriate. Once the CR is sealed, the HVAC systems operating, and the presence of operation heat sourcces are 'operating, a detailed assessment of the temperature, humidity, and ventilation characteristics of the CR will be conducted.

An assessm'ent of the Unit 1 control room has been conducted. In the course of the SL-1 assessment, no discrepancies from the NUREG-0700 guidelines were noted.

Maximum temperature noted was 77 F, and maximum relative humidity was measured at 07%. Since the HVAC designs of the units are similar, it is reasonable to assume that temperature, humidity, and ventilation characteristics of the control rooms will be similar. Again, however, the operational characteristics of the SL-2 CR environment will be assessed in detail.

3.1.2 Design Integration of HFE As a result of the lighting survey findings at the PSL-2 control room the following will be conducted.

Normal AC li htin Normal AC lighting levels will be reduced in the control room to be more compatible with the guidelines stated in NUREG-0700. FPRL feels that

.lighting levels approaching 160 foot-candles is excessive and could contribute to operator visual fatigue.

Emer enc li htin Vital AC lights are provided at the hot shutdown panel. DC lights supplied from both the A and B battery bus will be provided. Light levels above 10 foot candles will be provided under all conditions.

Tem erature humidit and noise Main control room temperature, humidity, and noise will be assessed in accordance with NUREG-0700 once the environment is representative of the operating unit. Again, overall plant layout and HVAC designs for units 1 and 2 are highly similar, and noise, temperature, and humidity in unit Nl during 100% power operations were found to be (with minor exceptions) in compliance with NUREG-0700 guidelines.

3.1.3 Status

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Adjustments in the design of the control room and hot shutdown panel lighting system (normal and emergency) will be completed prior to fuel load.

Assessments of ambient noise, temperature, and humidity will be conducted during power operations as part of the DCRDR. Findings, discrepancies, and FPRL actions to be taken, will be reported to the NRC as part of the SL-2 DCRDR.

The environmental characteristics at the hot shutdown panel (light, noise, temper'ature and humidity) will be measured at the'panel after the systems are completed and the plant is operational. Data from the hot shutdown panel at SL-1 are not presented since the location, lighting arrangements, and the physical (these five acoustical) arrangements differ between the two units.

3.2 Control Room General Layout 3.2.1 Effort The major effort on the part of CREDIT regarding CR layout has been the 1) placement of operating consoles to facilitate traffic, 2) the placement of printers/plotters to facilitate access and minimize CR noise in manjor operating areas, and 3) the location and storage of protective clothing, spare parts and expendables, procedures, and so forth.

3.2.2 Design Integration of HFE As part of CREDIT, a CR layout has been achieved. The placement of items such as spare parts, procedures, protective clothing, etc. is preliminary and still undergoing HFE and CREDIT assessment. As discrepancies in the placement of those items are identified or better locations for these items are identified, new locations and means of storage will be considered and, where viable, implemented.

3.2.3 Status Figure 3.2.A shows the placement of major CR equipment in the PSL-2 CR.

Table 3.2.B identifies the codes used in figure 3.2.A which identify storage locations.

The layout configuration will undergo a detailed review using the guidelines stated in NUREG 0700, and will also be subjected to CREDIT and HFE assessment prior to

. locating stored expendables and protective clothing in the CR.

FIGURE 3.2.A CR LAYOUT DDPS INST

& CABS ESAF H? RECOMBINED LOGIC CONTROL PANEL ADS CABINET PLANT AUX. H2 RECOMBINER CONTR. B.N0.2 CONTROL PANEL ENGINEERED WASTE MAN &

SAFE GUARD CHEM. & VOL COMPUNTERIZEO 206 CONTROL SEOUENCE OF AUX FW 205 EVENTS AUTO ACT REACTIVITY CABINET 204 SAFETY RELATED RAD.

MONITORING PANElS REACTOR (SEISMIC RMSI COOLENT SYSTEM C 203 CONTROL ROOM J DESK COMA'I CONSOLE LOOSE CONOENSAT, PARTS MONT.

CODLING WATER C) lC> REACTOR & FOW SYSTEM PROTECTIVE SYSTEM ICC CONTROI.

PARE CABINET LOGIC OPS RAO TURBINE TIG MONITORING CONSOLE MON GENERATOR (STATOR TEMP) CRT ELEC AUX.

201 SAS OOPS DEH. CONTROL

'AS CRT COLORPRINTER CABIN-:T PLATER DDPS &

PRINTERS SEO RMS PLANT AUX.

PRINTER CONTR. B.N0.1 LINE REPEAT PANEl SB SA OFFICE NS SB SA NS NS A

8 H & V CONTROL FIRE cTEC GENERATOP. BOARD CO'OL PROTECTION ICC CONTROL RELAY CABINET CABINET OFFICE RESTROOM INST CABS M KITCHEN F & N FAN ROOM

TABLE 3.2.B CONTROL ROOM LAYOUT2 STORAGE Item Size In" Location DOCUMENT STORAGE A Prints, Flat File Cabinet 36 X 53 X 01 Bathroom Outside North Wall B Forms, File Cabinet 52 X 15 X 25 Bathroom Outside North Wall C Procedures, Book Case 78 X 36 X 12 West Wall Behind RPS SPARE PARTS D Stationary, Paper Pens etc 72X 36 X 18 West Wall Behind RPS E Bulb, Fuses, ink, etc Under DDPS CONSOLE F Paper for printers 72 X 36 X 18 In FAN room EMERG. EQUIP ANTI "C" G Scott air Pac Etc 72 X 36 X 18 West Wall Behind @PS

'OOLS H Operators Tool Box 12 X 30 X 8 NPS OFFICE j Flashlight/Fuse Pullers Operators Desk PERSONNEL STORAGE 36 X 12 X 12 East Wall 12 Lockers L 26 X 12 X 12 North Wall 60 Lockers CHART STORAGE 72 X 36 X 18 IN FAN 72X 36X 18 ROOM

3.3 Operators Console 3.3-1 Effort This effort established an operators console wherein the dimensions:

o facilitated reach to controls (CRT controls) o enabled vision over the top of the console to vis'ually access main board controls and displays o accommodates the leg and body size of approximately 9096 of the expected user population o accommodates the dimensions of the hardware internals.

Another effort regarding the operators console was the positioning of the console in the main control room to enhance trafficability and maximize visual access to the main boards. 'This effort was conducted as described in section 3.2 of this report.

3.3.2 Design Integration of HFE The operator console at St. Lucie-2 is a desk-type console at which the operator is e seated. The console was designed for anthropometric console dimensioning and operator-display interface. Anthropometric measurements given in NUREG-0700 were used in designing the console.

An anthropometric assessment of the design of the operators console has been conducted using the NVREG-0700 guidelines. In the course evaluation of this console, three discrepancies were noted; lack of a kick psace (6.1.2.3.g), 20" thigh clearance (from floor, see NUREG-0700 exhibit 6.1-12, requiring 25" minimum), and the vertical visual angulor limit to the panel CRT is exceeded for the 95% male eye height, while seated.

Regarding kick space, 20 inches of knee room is provided in the design at the console, which is sufficient to. accommodate operators legs, knees, and feet. Thigh clearance of 20" is provided as the result of the tradeoffs regarding visibility over the top of the console and legroom. The 20" of room will accommodate 75% of the user population. The orientation of the CRTs was the result of several tradeoffs, concerning; glare reduction, physical size of the console; visibility over the top of the console, and engineering concerns such as accommodation of the console internals. Indeed, the vertical visual angular limits given the design are not excessive.

The approximate dimensions of the console and basic anthropometric considerations are as stated in NUREG 0700. Severe constraints on overall console dimensions were

imposed by the physical space requirements of the internals. The profile maximizes visual and/or motor access to console controls/displays and main board controls/displays, and

.maximizes operator body fit to the console.

3.3.3 Status The operator console is currently under fabrication and is scheduled for delivered to the PSL-2 site during September, 1982. It will then be positioned as shown in Figure 3.2.A) and set in the control room.

3.0 Communications 3.0.1 Effort As part of CREDIT, working groups developed communications system concepts based on I) required links 2) engineering constraints and 3) human factors engineering cons!derations. The primary thrusts of the HFE effort regarding PSL-2 communications has been 1) layout of communications devices 2) design/selection of devices, and 3) coding of communications devices.

It is felt by FPRL that the major human factors engineering considerations oa the communications system design have been identified and addressed in the design of the communications system. Specific details of designs, e.g., handset cord lengths, handset shape, etc., will be assessed as part of the DCRDR.

3.0.2 Design Integration of HFE In order to enhance operability of communications devices, human engineering principles have been and are being incorporated into the design of those devices.

Specifically addressed were:

o placement and design of devices based on frequency/importance of use o design of device controls and displays:

indicating call-ins via auditory and visual displays placement of controls and interfaces color coding of devices auditory coding o anthropometric design placement of devices placement of device interfaces (e.g., sound powered jacks) avoidance of accidentally engaging communications controls.

Selection of devices based on guidelines and operating characteristics was not conducted since the devices have been procurred. Analysis and assessment of speech intelligibility of the devices will be conducted by the computation of the articulation index (Al) and/or modified rhyme tests using the communications devices in the operating ambient noise environment.

3.0.3 Status Communications system design has undergone a limited human factors engineering design effort extending to layout and placement, device auditory and visual coding, and

'nthropometric designs. The final system having undergone CREDIT review is presently being constructed and installated. Detailed design evaluators and speech intelligibility studies will be applied to the installed, operating equipment. Detailed design issues (e.g.,

verification checklisting) will be conducted as the equipment is installed. Intelligibility analyses and assessments will be conducted during power operations. Any and all discrepancy findings will be documented, assessed and reported as part of the DCRDR.

3.5 Control and Display Installations

.3.5.1 Effort The effort here has been twofold: 1) to monitor and review the installation of those controls and displays which were not available at the time of the NTOL HFE audit conducted by the NRC, and 2) to conduct limited HFE layout design for specific board areas which were up graded and/or modified to incorporate licensing comittments, TMI changes and required engineering changes.

3.5.2 Design Integration of HFE Specific board areas have undergone redesign. construction and testing. As part of CREDIT, these designs were reviewed by members of the HFE, operations, engineering, construction and other members of CREDIT, in terms of human factors engineering, construction implications, licensing implications (e.g., violation of separation require-ments, etc.) and so on. HFE integration efforts were applied to the design of annunciator systems, radiation monitoring, feedwater systems, nuclear instrumentation, reactor ancilliary, engineered safeguards and others.

3.5.3 Status As of the writing of this report, approximately 99% of the controls and displays have been installed in the PSL-2 control room. Of these, approximately 60% have been turned

'over to FPRL operations. These are currently undergoing a Detailed Control Room Design Review, assessment, backfit selection and documentation effort.

P TMI instrumentation and related concerns are also being handled as part of the

'CRDR.

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3.6

~ Auditory Signal System 3.6.1 Effort This effort extends to design and placement of auditory alarms and conditioning of the tonal qualities of alarms based on ambient noise conditions. All alarms, except the fire alarm (tone), the computer alarm (bell) and the Plant Aux Control panel are adjustible in terms of volume, pitch, and modulation.

3.6.2 Design Integration of HFE The major HFE design integration is the segregation and placement of annunciator

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system audible alarms to auditorily localize to the control room panel area where the annunciated message is displayed. In addition, the volume, pitch, and modulation of the annunciator Beta Tone audible devices are variable and have been set according to ambient noise conditions in the construction environment. As the plant becomes operational, the signal qualities will be adjusted to be detectable and localizable in the operating ambient noise environment.

3.6.3 Status The perceptual/sensational qualities of the auditory signal system cannot be accurately evaluated in the present ambient noise environment. When the PSL-2 plant is opeational, assessment of the auditory signal system will occur, as part of the DCRDR program.

3.7 Plant Process Computer 3.7.1 Effort The plant process computing system is a NSSS vendor component and not amenable to extensive design modification. Accordingly, the effort has extended to 1) assessment of placement of various printers and recorders for the computer system in the control room and 2) results of an HFE review of the hardware using the guidelines stated in N U REG-0700.

3.7.2 Design Integration of HFE As indicated above, the plant process computing system allows for little modifi-cation to the hardware. The action taken by the CREDIT team was to specify the location and placement of hardware items in the control room in order to minimize contribution of noise by printers, to enable easy access to the information presented via the computer, and to enhance the flow of traffic in the main control room. The equipments are to be placed as indicated in Figure 3.2.A.

3.7.3 Status The placement of the plant process computing system is currently undergoing engineering, installation and testing. A NUREG-0700 survey of the hardware'has been ~

conducted.

T he objective of the survey was to evaluate the system hardware and operational characteristics of the process computer. Included in this evaluation are the Digital Data Processing System (DDPS), Sequence of Events Recorder (SER) and Analog Display System (ADS).

This survey was conducted by a team consisting of a human engineer and the IRC startup engineer responsible for the system under evaluation. Because operation and interpretation of the DDPS and SER will be similar between PSL-1 and 2, and CR operators interviewed on PSL No. 1 were familiar with operations of these two systems, control room operators were not interviewed as part of the PSL-2 effort. PSL-1 interviews and relevant sections of this data were applied to the PSL-2 evaluation.

Criteria applied were from section 6.7 of NUREG-0700.

Computer cognizant IRC startup engineers were questioned about system hardware and software using applicable NUREG-0700 sections. They were asked to both describe input methods and interpret data output. A copy of hourly logs was obtained for the

4 DDPS. Using the SER data point index and a copy of the DDPS hourly log, printer outputs were evaluated for format with applicable checklist sections.

3.7.0 Sequence of Events Recorder (SER) Findings The SER is a teletype printer which will be located in the primary operating area.

The following are discrepancies noted during the evaluation.

l. ~Findin There is no procedure written for operation of the SER.

~Res onse A procedure will be generated in draft form, and will be updated as additional'nformation is made available. The ~

draft procedure will be completed by fuel load.

2. ~pindin Printer is excessively loud, particularly considering that it will be printing continuously during off normal situations.

~Res onse FpdrL intends to replace this printer and will reevaluate contribution of noise to CR environment as part of DCRDR.

3. ~pindin Printer speed is 12 lines-per minute.

~Res onse A higher speed printer (120 lines-per-minute) will be provided prior to fuel load which will avoid 1) delays in the presentation of information, and 2) loss of information due to buffer overload.

Findirig There is no indication on the printer page that paper supply is nearly depleated.

~Res onse Paper supply and changing will be administratively controlled. CR operators will be required to monitor supply of remaining paper to ensure an adequate supply is available. No further action is intended on this item.

5. ~Findin There are no instructions for reloading/changing paper, ribbon, and ink.

~Res onse- Written instructions will be provided prior to fuel load.

6. ~pindin The backup SER printer records only:

o Point number o Date o Time of alarm

~Res onse A redundant printer will be made available with the same information and format characteristics as the main printer.

7. ~pindin Not all of the main annunciator system annunciators (tiles), are recorded on the SER.

~Res onse The SER is not an alarm printer, per se, but a diagnositc aid to the operator. FPRL intends no action on this f inding.

8. ~Fin din Printout of alarms by group (system, subsystem, component) cannot be requested.

~Res onse The SAS and ICC displays will provide summary indications of the function of major plant systems. No further action is intended for this item.

9. ~Findin The event descriptor does not contain specific informa-tion such as parameter value and does not identify the input to a multiple event alarm (e.g., pressure/level, high/low).

~Res onse As part of the DCRDR, the feasibility of adding parameter descriptions will be reviewed and reported on.

l0. ~Findin Output is in long columns ori. unlined paper, and not separated into groups of five to facilitate reading.

~Res onse Lined paper will be used in the SER to facilitate reading access rows of print. This item will be completed by fuel load.

3.7.5 DDPS Findings The DDPS is a Fischer and Porter system designed to perform calorimetric and Xenon calculations, monitor CEA position, monitor and control movable incore detectors, and provide various parameter values. Operators interface with a console and medium speed printer which will be located on the computer console.

The following are discrepancies noted during the evaluation:

l. ~Findin Key functions vary greatly, but are not distinguished in any way, e.g., demarcation or spacing.

~Res onse Error occurence due to similar/identical pushbutton design is very low. All function keys are uniquely labeled as to function. FPL intends to take no action on this item.

2. 'Findin Related keys on the console are not grouped together.

~Res onse Function keys in question are "Enter" "Deleted Restore",

Dead band", "Low Alarm", and "High alarm". These are keys used with most of the others on the DDPS. FPL feels the rearrangement of the subject keys would not improve operator performance. See response to item one, above.

3. ~Findin No procedures have been written for operation of the DDPS.

~Res onse FPKL will establish a draft procedure for the opertion of ehe DDPS. As the plant begins operations, the procedure will be developed. The operators manual, will be available to the control room operators prior to issuance of an operating license.

~Findin There is no indication on the printer page that the paper supply is almost depleated.

~Res onse Periodic monitoring will be established to ensure adequate supply is always available.

5. ~Findin Instructions for reloading paper or ink are not provided in the CR.

~Res onse Instructions for resupplying the DDPS printer wig be provided in the control room. This will be completed prior to fuel load.

6. ~Fin din The CEA Position Logs are inconsistent in format between shutdown and regulating groups.

~Res onse Sof tware will be reviewed to assess feasibility of achieving consistency in the design of output formats. To be reported as part of the DCRDR.

7. ~Findin s The Flux Temperature Log prints out long columns without operating them into groups.

~Res onse The DDPS printer will use lined paper to facilitate readings access lines of print. This item will be completed prior to fuel load.

3.8 Protective Equipment Storage and Availability 3.8.1 Effort The major effort on the part of CREDIT regarding protective clothing storage R availability has been the placement of storage lockers and packaging of protective equipment into sized packages (small, medium, large) containing clothing, mitts, boots, tape, etc. Also stored are face masks and respirators sized to individual operators.

Corrective lenses are also provided which are accomodated by face masks.

3.8.2 Design Integration of HFE As part of CR'layout design, storage and accessibility of protective clothing has been preliminarily designed. The design and location and protective clothing is undergoing HFE and CREDIT Assessment. All discrepancies from the NUREG-0700 guidelines will be reviewed. As packaging, storage, and/or accessibility improvements are identified, they will be, where appropriate and, as appropriate, implemented.

3.8.3

~ ~ Status Figure 3.2-A and Table 3.2-B identify the storage locations for protective clothing

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(behind reactor protection system cabinets on the west wall of the control room).

Packaging will be achieved and'maintained by the operations department, and =

controlled administratively. Storage and availability will undergo a detailed review using J

. the guidelines stated in NUREG-0700, and will be subjected to CREDIT and HFE assessment.

0 0.0 STATUS OF SPECIAL STUDIES 0.1 Labeling There are 09 findings in NUREG-0803 Supplement No. 1 which will be addressed as part of the on-going labeling program.

The basic philosophy driving the labeling effort was to integrate labeling, demar-

. cation, mimic, annunciator and procedure designs.. This is being achieved via concurrent development of annunciator readability design improvements, label specs, constrained dictionary, hierarchical labeling and so forth.

As a result of the labeling study a set of guidelines were developed, using sections of NUREG-0700 for detailed design, establishing label size for large summary labels, small summary labels, and component labels. As a result of the study criteria were established for.

o Letter height o Label letter configuration, i.e., number of lines of print depending on label category o Bottom and top borders and space between lines o L'et ter width-to-height ratio o Numeral width-to-height ratio o Minimum space between words o Stroke width-to-character height ratio o Minimum space between characters.

A specification for labels is presented in Appendix A. Also included in Appendix A are 1) a constrained dictionary of FPRL acronyms and abbreviations, 2) format examples for labels, and 3) a guideline used to integrate labeling and demarcation.

~

In addition the minimum viewing distance for component labels was established as 03 inches. This was based on available space, amount of information desired on the label and lettering/background contrast. The labeling effort is expected to be completed prior.

to issuance of an operating license.

The following is a list of finding numbers being addressed by this effort as summarized in Table O.l.A.

A.0.7, A.0.10, A.5.2, A.5.3, A.5.0, A.5.5, A.5.8, A.5.16, A.5.21, A.5.22, A.5.20, A 5 25~ A 5 26) A 6 1~ A 6 2) A 6 3~ A 6 0) A 6 5~ A 6 6) A 6 7~ A 6 8~ A 6 9j A 6 10~

A 6 1 1~ A 6 12~ A 6 13~ A 6 10~ A 6 15~ A 6 19~ A 6 20~ A 6 21~ A g 22~ A 6 23~

A 6 207 A 6 25) A 6 26~ A 6 28~ A 6 29~ A 6 30) A 6 31 j A 6 32~ A 6 33) A6 30~

A6 35~ A 6 36) A 6 37~ A6 39~ A 6 00~ A9 3

0.2 Demarcation There are 10 findings in NUREG-0803 Supplement No. 1 which will be addressed as part of the ongoing demarcation effort.

As a result of the Preliminary Control Room Design review a set of guidelines were developed to provide general guidance for designing and implementing demarcation, summary labels, and mimics. The demarcation guidelines are intended to ensue that the final product maintains:

o Simplicity of design o Hierarchical demarcation use of line widths to distin'guish between and subsystems 'ystems o Integrated use of summary labels o Use of mimics where beneficial to the operator and current panel design permits'.

Appendix B contains 1) a guidance document which discusses the philosophy and requirements of hierarchical labeling and demarcation for the Saint Lucie Unit 2 CR, and

2) examples, via drawings, of the demarcation,and labelling schemes. Development of summary labels was conducted as part of the relabeling effort. Demarcation schemes were developed by both Essex and SL-2 representatives, which were based on 1) task requirements, 2) system/functional relatinship, and 3) operating experience at SL-l.

Details of demarcation design were specified using NUREG-0700 and other human engineering texts.

The demarcation effort is expected'o be completed prior to issuance of an operating license.

The following is a list of finding numbers being addressed by this effort as summarized in Table 0.1.A.

A 6 06~ A 8 l~ A 8 2) A 8 0~ A 8 5) A 8 6) A8 12~ A8 13~ A8 10~ A 9 2

0.3 Annunciator Review There are 15 findings in NUREG-0803 Supplement No. 1 which will be addressed as part of the on-going annunciator review.

The annunciator review conducted addressed the following concerns:

o Reengraving to alleviate congested tiles incomplete messages clarify messages addition of new tiles standardization of abbreviations o Prioritization of alarms by color coding o Review of multiple input windows for'reflash capability o Location of new alarms with associated displays and/or controls o Addition of 3 second audible silence.

Examples of products of the annunciator review/study are contained in Appendix C.

The constrained dictionary of SL-2 acronyms and abbreviations presented in Appendix A was developed, in part, by this annunciator study. Appendix C contains:

o Engraving examples o Layout and prioritization examples o An engraving specification Annunciator priority was achieved by a three party review/assessment. Essex, FPL operations, and the ARE participated using plant documentation. The above represen-tatives independently prioritized annunciators according to the criteria as stated in Appendix C. Prioritization levels were reviewed for agreement between all parties.

Complete concurrence resulted in identified priority levels for each tile. Where differences existed, FPb:L and EBASCO engineers reviewed each tile, until concurrence was achieved. Essex and FPRL then'developed the details of the annunciator prioriti-zation designs.

The annunciator review and implementation effort regarding the findings in NUREG-0803 Supplement No. I are scheduled to be completed just prior to issuance of an operating license and/or fuel load depending on the specific finding.

The following is a list of finding numbers being addressed by this effort as summarized in Table O.I.A.

A 3 1) A 3 2~ A 3 '3) A 3 5) A 3 6) A 3 7~ A3 8~ A 3 9~ A 3 10' 3 ll~ A 3 12) A 3 13~

A.3.10) A.3.15, A.3.16.

0 0.0 Coding Convention There are 23 findings in NUREG-0803 supplement No. 1 which will be addressed as part of the ongoing coding convention review effort.

As a result of the coding convention review, guidelines, (see'ppendix D) were developed consistent with system design philosophy. Coding conventions will be applied for:

o Indicator Lights o Pushbuttons o Mimics o Power Trains o Meter Scales o Automatic Actuation signals o Control Handles.

Findings A.5.9, A.5.15 and A.5.18 are being addressed as part of an on-going operating band coding effort.

Scale Coding is presently being applied to non qualified instrumentation, controls and displays where necessary. However; conversations with vendors supplying qualified instrumentation, displays and controls indicate that any modification to their equipment i.e., addition of scale coding to meter. faces would invalidate their equipments qualifi-

~

cation and warranty records. Presently FPRL is investigating the necessary documen-

.'tation required to support the modification of those safety grade (quality class 2) instruments which will have scale coding added to their meter faces. As an interim measure, a temporary method of scale coding the subject safety related meters will be

.'utilized until the final scale color coding markings are complete. This interim measure will incorporate a color coding that is afixed to the side of the meter face glass cover. In this manner, the operator will have color coded operating bands for most non safety and safety related control board meters, prior to fuel load. The temporary markings will be removed as the final scale codes are applied to each meter in accordance with an approved installation procedure. Incorporation of the temporary color coding will allow the control room operators to quickly ascertain whether a given parameter is with in the normal operating range. The use of temporary interim color coding serves to provide the same method of comparison until the final scale'code markings are applied. All meters determined to need operating band scale coding will have the final color coded operating bans placed on their scale face prior to start up after the first refueling outage.

An engineering review of finding A.4.6 indicates that although a majority of the subject keylock switches were arranged on the control panels such that those valves which were in a locked open position had black key lock cylinders and those valves in a locked closed position had silver key lock cylinders that the reason for black and silver lock cylinders was that the manufacturer had changed production and the silver lock tumblers are no longer available. Thus all key locks which were added after l1arch, 1978 had black lock cylinders. Presently, FPK has labeled each switch to indicate its normal desirable position, i.e., locked open or locked

.closed and its alternative position i.e., closed or open. These switches are administratively controlled and presently FPGL does not intend to establish a code convention for the'ubject key lock switches. FP&L is further investigating the replacement of the silver tumbler key switches with black ones; however, due to lead time of material this item will not be complete until the units first refueling outage. .FPGL did consider painting of the subject key lock cylinders, however, it is FP&L's intention to use these key lock switches as spare parts for PSL No. 1 which does use this model switch.

As a result of further evaluation of SER Supplement No. 1 finding A.5.19 "The Reactor Protection system (RPS) Trip Status Panel'as indicator lights which incicate open on 'the bottom or left and closed on the top or right. Both of these indicator light positions are opposite of normal convention." FP6L and our human facto s consultant Essex Corp. reviewed the RPS and feel that the color coding and labeling of the subject status lights green for breaker open/trip and rec for breaker closed/

energized provides the operator with easily obtainable direct readinc information to determine the status of the reactor trip breakers. Xn add'ion, there are no control switches associated with the subject status lights requiring a left/top and right/bottom configuration. The subject status lights are stand alone lights incorporated into a single line mimic showing the status of the Reactor Protection Break'ers. The task requirements using these lights is to identify closed breakers, e.g., color discrimination, not special discriminations. FPGL feels that finding A.5.19 should be considered resolved. For purpose of clarity those HED's being .

addressed by this section have been separated into three categories:

1). Those which will be completed and in accordance with original commitments on schedu)e i.e., prior to issuance of an operating license.

HED Nos.

A.4.2, A.4.4, A.4.5, A.4.8, A.4.9, A.5.7, A.5.12, A.5.11, A.5.13, A.6.16, A.6.17, A.6.18, A.6.27, A.6.41, A.6.42, A.6.43, A.6.44, A.6.45, A. 8'. 3.

2) Those which will be partially complete and incorporate an interim fix due to concerns about requalification of instrumentation, availability of qualified replacement parts and/or conflicted with vendor warranty/vendor design change approval.

HED Nos.

A.5.9, A.5.15.

3) Those which FPRL wishes the NRC to review for alternate disposi-tioning as proposed above.

HED Nos.

A.5.19, A.0.6.

0.5 Lighting Survey There are 5 findings in NUREG-0803 Supplement No. 1 which will be addressed as part of the ongoing efforts. Current status of this ef'fort is expalined in more detailed under section 3.1 of this report.

Presently the 5 associated findings are expected to be completed on schedule prior to issuance of an operating license.

The subject HED's being covered by this effort as summerized in Table 0.1.A:

HED Nos.

A 1 5~ A 1 6~ A 1 7p A 1 8p A5 6

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Calcu!a.".ons of cha.ac'.eris!ics sho.vn io Chart I are apprordirnale cn!y be!vraen 95'L 6 1 70" .of rat d voltage for lamp tyoes svith 5,000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> li!e or less. Certain lamp types vrill vary vi!de'.y from c2 cI.'!2! d values. This ch2rt '.vill no'pply to I2rnps vs':h lives in e"- ess ol 5.000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />. This chart does no! apply.to ha!ogen cycle Ian7ps. Consult nearest sales o>>~ce for applica!Ian inlorI"..a Ion.

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I' 4.7 Control Room Engineering Design Integration Team (CREDIT) Review There are 16 findings in NUREG-0843 supplement No. 1 which were specifically addressed by FPRL's CREBIT Review group. The CREDIT Review group is responsible for insuring proper integration of design changes in the control room with regard to Human Factors Engineering, Discipline Engineering, construction support requirements and overall project schedule.

The subject items have been reviewed, engineering completed and ar'e presently being incorporated into the control room design.'hese items are scheduled to. be complete prior to issuance of an operating license. The HED's being covered by this effort as summarized in Table 4.1.A HED:

HED Nos.

A'1 4~ A'2'l~ A'4'1~ A 4 2r A 4 3u A5 l~ A5 145 17~ A 8 7) A'8'8's A'8 9~ A8 10<

A.8.11, A.8.15, A.8.16, A.9.1.

0.8 'dministrative Controls NUREG-0803 supplement No..l identified 0 findings which FPRL agreed to address withtheir normal plant Administrative Procedures. These procedures are presently under preparation and will be completed prior to issuance of an operating license.

The subject HED's being covered by this effort as summarized in Table 0.1.A HED Status Summary are:

HED Nos.

A.1.3, A.1.9, A.3.7) A.6.38 It should be noted that finding A.3.7 is listed in both this section and section 0.3 Annunciator review and was accounted for in the Annunciator Survey Summary in Table 0.1.A.

0.9 Miscellaneous This section deals with 6 findings in Appendix C of NUREG-0803 Supplement No. 1 which had alrady been identified and were schedule for correction prior to issuance of an

'perating license. These items come under no special review study and or effort in all cases they would have been corrected as a matter of normal plant completion and establishment of plant consumable supply inventory.

The subject HED's as Summarized in Table 0.1.A:

HED Nos.

A 1 1~ A 12~AC ll)A 5 10~ A 523~ A 527

NUREG-0843 SU MENT NO. 1 HED STATU JMMARY SECTION TOTAL LABELING DEMARCATION ANNUNCIATOR CODING LIGHT LAMP CREDIT ADMIN.

NO HEDS EFFORT EFFORT REVIEW CONVEN. SURVEY TEST- REV CONTROLS A.l A.2 A.3 15 A.4 A.5 27 A.6 46 35 9 16 A.9 TABLE 4.1.A

APPENDIX A HUMAN ENGINEERING REQUIREMENTS SPECIFICATION

1.0 PLANT

St. Lucie Plant - Unit 2 3.0 SPEC. NO SPEC. DATE REV. NO.

REV. DATE

2.0 TITLE

LABELING

0.0 CONTACTS

Name Phone o UTILITY: Walt Windecker (305) 060-7990 x309 o ARE: Mark Tagliamonte (305) 065-3550 x005 o ESSEX: Cliff Baker (703) 548-4500 o OTHER:

5.0 SPECIFICATIONS

5.1 INTRODUCTION

A great deal of information concerning the function and operation of controls and displays is provided to the operator by labeling. Labels are used to: 1) identify a specific control or display; 2) describe the function of a control or display; 3) describe the operation of a control; 0) describe relationships among controls and displays; and

5) provide information on hazards or special conditions.

Since labeling provides the information which allows operator discrimination of required controls or displays, and the assurance that the correct control action or display reading, is being made, readable and comprehensible labels are essential. Controls, displays and any other. items of equipment which must'e located, identified, read or manipulated should be appropriately and clearly labeled. This document provides detailed human factors engineering specifications for the design and application of labeling in.

nuclear power plant control rooms. Adherence to these requirements will reduce human error in locating, reading and operating controls and displays.

5.2 Detailed S ecifications T o ra h and Size The following criteria apply to label and character size and font style.

ao Labels should be in capitalized letters, using simple, unadorned font styles.

Labels with extended copy should be initially capitalized with lowercase letters.

b. Preferred letter width-to-height ratio is 3:5, except for "1," which should be one stroke in width, and "M" and "W," which should be 4/5 of the height.

Co Preferred numeral width-to-height ratio is 3:5, except for the "1," which r should be one stroke in width, and the "4," which should be one stroke width wider.

d. Stroke width preferred for black letters on a white (or light) background is 1/6 of the height. Generally, ratio of strokewidth to letter height should be 1:6 to 1:8.

0 Diagonal parts of letters and numerals should be as close to 4'5 as possible.

e.

Characteristic features such as breaks or openings should be readily apparent and critical details should be simple but prominent.

The font of capital letters and numerals shown in the figure below (from Military Specification Number MIL-STD-18012B) has been tested and found to be satisfactory (McCormick, 1976, p.90).

f. Minimum space between characters should be one stroke width.

g. Mimimum space between words should be one character space.

h. Minimum space between lines should be one-half character height.

The height. of letters and numerals should be determined by the required reading distance and luminance. Assuming a viewing distance of 28 inches or less and a wide range of illumination levels, letter height should be at least 0.20 inches. For less critical functions, or when illumination is always above 1 ft.-C., letter height may be reduced to 0.10 inches (Van Cott and Kinkade, 1963).

The following table provides guidelines for determining required letter size "based on reading distance briny and illumination (Woodson and Conover, 1960t

p. 2-00).

RECOhfMENDED SIZE FOR LETTERING ON LABELS Vie Drstonce Criticol kobel ~ kovtine kobels For illurninotion 2d In. 0.15 to 0.30 in. 0,10 to 0.20 in.

less thon I It I 3ft .19 to .39 in. .13 to .26 in.

6 fr 29 to . 77 rn. .26 to .51 in.

20 ft 1.29 to 2.57 in. .db to 1.71 in.

For Ilturninotlon 2d in. .10 to .20 in. .05 to .15 sn.

yreoter thon 1 It I 3ft .13 to .26 in. .0b to .19 in.

6 fr .26 to .51 in, .13 to .39 in, 20 lt .d6 to 111 in. A3 to 1.29 rn.

Criticol lobels refer to key control or component Identifiers ond to position mark.

inys on such controls.

doutine lobeis refer to ores-ott instrument identibers, routine instructions, or ony rnorklny rerivired only for initial lorniliorisotion.

Vievfny distance {") X 0.15

'for yreoter eiewiny ditto@cess fetter heiyht 2d Every console/rack, panel, functional group, control/disp Jay and control position should be labeled. Labels should be graduated in size to reduce operator confusion and search time. Summary or group identification labels should be larger than those identifying individual control or display components, which should be larger than the label characters identifying control positions.

The smallest character size should, be determined based on viewing conditions (see table under i. above). Graduations in label and character size should increase approximately twenty-five percent from the smallest to the next larger in the following order: (a) control position; (b) control/display;,

(c) functionaJ group; (d) panel; and (e) equipment console or rack.

5.3 Detailed S ecifications Location and Orientation The following criteria apply to the placement of labels in the control room.

ao Labels and the information thereon should be oriented horizontally to be quickly and easily read from left to right. Vertical orientation should be avoided but can be used when Jabels are not critical for safety or performance and where space is limited. In such cases, labels should read from top to bottom.

b. Labels should be placed on or very near the items which they identify and should not be obscured by controls.

Co Labels should normally be placed above the controls and displays they describe.. When the panel is above eye level, labels may be placed below components to enhance visibility.

d. Label location throughout a system and within panel groupings should be uniform.

e. Summary labels should be used to identify functionally grouped controls and displays. The labels should be placed above the functional groups they identi fy.

f. Whenever possible, control labels should be placed on the control itself, always remaining upright to the observer.

g. Labels indicating control positions should not be placed so that they are

'bscured during control manipulation; however, ease of control operation shou Jd be given priority over visibility of control position labels.

h. Labels should be affixed on a clean flat surface to ensure adherence.

i. 'hen labels are used on an instrument face, they should not obscure or detract

. from figures or scales which must be read.

.5.0 Detailed 5 ecification Color and Materials ao Label color should provide contrast with panel background.

b. Labels should be sharp, have high contrast and be mounted so as to minimize wear or obscurement by grease, grime or dirt.

C. For best contrast, black letters on a white mat background is preferred.

, r

d. Colored print may be used for coding purposes, but colors should be chosen for maximum contrast against the background. Red surfaces or borders should be reserved for emergency control and display areas.

. The following figure provides some guidelines for se Jecting label color combinations based on relative legibility (Woodson and Conover, 196LF,

p. 2-LF6).

RELhTIVE LEGIBILITY OF COLOR COhfBINhTIONS UNDER REFLECTED L1GHT Legib/lity Posing Color Cosnbinotion Very pood ploct I ~ tters on <<htte boclground

~ loct on yellow Ltort blue on <<hite Gross preen on <<hite Foir Ped on <<hite Red on yello>>

Poor Green on red led on preen Oronpe on bloct Oronpe on white

e. Engraved labels may become filled with dirt, reducing legibility. Such engravings should be filled with paint pigment or covered with clear plastic.

5.5 Detailed S ecifications Content and S htax ao Each control and display should be labeled as to function.

r

b. Labels should identify what is being measured rather than indicate an instrument title (e.g., ALTITUDE, not ALTIMETER). Switch position labeling should identify the positions clearly. Only critical information should appear on labels.

C. Abbreviations should be avoided. When necessary, only standard abbreviations should be used. The same abbreviation should be used for all tenses and for both singular and plural forms of a word. A recommended list of abbreviations and acronyms is attached as Appendix A.

d. Words should be chosen on the basis of operator familiarity. Avoid the use of abstract symbols or terms unless their meanings are clear and do not require special training.

A

e. Periods shou Jd be omitted except when necessary to preclude misinterpretation.

f. Instructions 'should be clear and direct. Potentially ambiguous messages should be avoided.

g. Nonfunctional information (e.g., component manufacturer, part or engineering number) should not appear on labels and should be placed inconspicuously so as not to be confused with critical information.

h. Highly similar names for different controls and displays should be avoided.

i. Control labeling should indicate the functional result of a control movement (e.g., increase) and may include calibration data where applicable. This information should be visible during control operation.

Controls and displays which must be used together should be labeled appropriately, indicating their functional relationships.

k. Label should be as concise as possible. Redundancy should be minimized.

Accesses should be labeled with any applicable warning signs that advise of hazards or state precautions to be taken.

6.0 Sources for S ecification Mallory, K., Fleger, S., 3ohnson, 3., Avery, L., Walker, R., Baker, C. and Malone, T.

Human En ineerin Guide to'Control Room Evaluation, NUREG/CR-1580f August 1980, PA PA-61.

2. McCormick, E.3. Human Factors in En ineerin and Desi n (0th ed). New York:

McGraw-Hill, Inc., 1976, 88-93.

4 30 Department of Defense. Militar Standard - J072B Human En ineerin Desi n Criteria for Militar S stems E ui ment and Facilities. Washington, D.C.:

Department of Defense, 1970, 91-97.

s Van Cott, H.P. and Kinkadey R.G. (Eds.). Human En ineerin Guide to" E ui ment

~Desi n. Washington, D.C.: U.S. Government Printing Office, f963, 9rr, 107-109, 001-000.

r Woodsonf W.E. and Conoverf D.W. Human En ineerin Guide for E ui ment

~Desi ners (2nd. ed.) Berkeley and Los Angeles: University of California Press, 1969, 2 2-07.

ABBREVIATIONSAND ACRONYMS IN CURRENT FPRL USE NOMENCLATURE ABBREVIATION A (alphabetic)

ABBREVIATE ABNORMAL ABNRML ABOVE ABV ABSORBER ABSORB ACCELERATE, ACCELERATION ACCEL ACCELEROGRAPH ACCLGR ACCESS ACCS ACCUMULATED, ACCUMULATOR ACCUM ACKNOWLEDGE ACKNL ACTION ACTN ACTUATE) ACTIVATE, ACTUATION ACT ADAPTER ADPTR AD3UST) AD3USTMENT, AD3USTABLE AD3 ADSORBER ADSORB ADVANCE ADV AIR AIR AIR CIRCUIT BREAKER ACB AIR CONDITIONING A/C AIR CONDITIONING COMPRESSOR A/C COMPR AIR EVACUATION AIR EVAC AIR INTAKE AIR INT AIR LOCK DOOR AIR LCK DR AIR SUPPLY AIR SPLY

4 NOMENCLATURE ABBREVIATION ALARM ALM ALTERNATING CURRENT AC ALTERNATOR ALT ALUMINUM-ALUMEL AL AMBER AMBER

'AMBIENT AMERICAN AMER AMERICAN WIRE GAUGE AWG AMMETER AMM AMMETER SWITCH AMM SW A M PERE(S)/CURRENT AMP AMPERE HOUR AMP HR AMPERE. HOUR METER AMPLIFIER AMPL ANALOGUE ANALOG AND ANGLE ANGLE ANNUNCIATOR ANTICIPATED TRANSIENT WITHOUT SCRAM ATWS APPLICATION APPL APPROVED APRVD APPROXIMATE, APPROXIMATELY APPROX AREA AREA ARMATURE ARMT ARRANGEMENT ARR

NOMENCLATURE ABBREVIATION ARRESTER ARSTR ASSEMBLY ASSY ATMOSPHERE, ATMOSPHERIC ATM ATTEMPERATOR ATMP AUTOMATIC AUTO AUTOMATICFREQUENCY CONTROL AFC AUTOMATIC RECLOSING AUTO RECL AUTOMATICTRANSFORMER AXFMR AUTOMATICVOLUME CONTROL AVC AUTOMATICWITHDRAWALPROHIBIT AWP AUXILIARY AUX AUXILIARYFEEDWATER AFW AUXILIARYFEEDWATER ACTUATION SIGNAL AFAS AUXILIARYFEEDWATER PUMP AFW PP

. AUXILIARYSTEAM AUX STM AVERAGE AVG AVERAGE REACTOR COOLANT TEMPER- TAVG ATURE OF A LOOP AVERAGING AVGG AVIATION AVN A VIATION LIGHTING AVN LTG AXIAL AX

NOMENCLATURE ABBREVIATION B (alphabetic)

BACKUP B/V BALANCE BAL BALANCED VOLTAGE BAL VOLT BALL VALVE BALL VLV BARRIER BARR BASEMENT . BSMT BATCHING BATCH BATTERY BATT BEACON BCN BEARING. BRG BEARING LIFT OIL PUMP BRG LIFT OIL PP BEARING OIL BRG OIL, BEFORE BFR BELL ALARM SWITCH BELL ALM SW BELOW BLW BENCHBOARD BNCHBD BETWEEN BETWN BILL OF MATERIAL B/M BISTABLE B/S BLACK BLACK BLANKET BLKT BLEED BLD BLEEDOFF BLDOFF

NOMENCLATURE ABBREVIATION BLOCK BLOCK BLOCKED BLKD BLOWDOWN BLDN BLOWER BLO BOARD BD BOILER BLR BOILER CIRCULATING PUMP BLR CIRC PP BOILER FEED BLR FD BOILER FEED PU M P BLR FD PP BOILER/TURBINE GENERATOR BTG BOOSTER BSTR BOOSTER PUMP BSTR PP BORIC BORIC BORIC ACID BA BORIC ACID CONCENTRATION CB BORIC ACID CONCENTRATOR BA CONC BORIC ACID MAKEUP BA MKUP BORON BORON BORONOMETER BMETER BOTTOM, BOTTLE BOT BOX BX BRAKE HORSEPOWER BHP BRANCH BREAKERS BKR BRITISH THERMAL UNIT BTU

NOMENCLATURE ABBREVIATION BUILDING BURNER BNR BUS, BUSES BUS BUS TIE BT BUSHING BSHG BUSHING CURRENT TRANSFORMER BCT BUTTERFLY BTFLY BUZZER BUZ BYPASS BYP

t NOMENCLATURE ABBREVIATION CABINET CAB CABLE CBL CALCULATION,CALCULATOR) . CAL CALCULATE CALIBRATE CALIB CANAL CANAL CANCEL CANCL CAPACITY, CAPACITOR CAP CARBON DIOXIDE CO2 CARBON'ONOXIDE CO CARRIER CARR CASING CSG CATALOGUE CAT CATHODE RAY TUBE CRT CAUSTIC TANK CAUSTIC TK CAUTION CAUTION (no abbreviation k

permitted)

CAVITY,CA VITATE CAV

..CELSIUS, CENTIGRADE CENTER CTR CENTIMETER CM CHAIN CHN CHAMBER CHMBR CHANGE CHNG CHANNEL CHNL CHARCOAL CHAR

NOMENCLATURE ABBREVIATION CHG CHARGER CHGR CHECK CK CHECK VALVE CV CHEMICAL, CHEMISTRY CHEM CHEMICAL FEED CHEM FD CHEMICAL VOLUME CONTROL SYSTEM CVCS CHEST CHEST LORICA CHILLER CHILL CH LORINATION CLRNTN CH ATOR CHLORNR CHLORINE CL CHROMEL CIRCUIT CKT CIRCUIT BREAKER CKT BKR CIRCUIT CLOSING CKT CLOSING CIRCULAR CIR CIRCULATING, CIRCULATE, CIRC CIRCULATION CIRCULATING WATER CIRC WTR CIRCULATING WATER PUMP CIRC WTR PP CLASSIFICATION CLASS CLEANING CLNG CLEAR CLR CLOCK WISE CLKWE CLOSE

NOMENCLATURE ABBREVIATION CLOSING COIL CLOSING COIL COAXIAL COAX

'OIL COIL COIL POWER PROGRAMMERS CPP COLD CLD COLD LEG CLD LG COLD LEG TEMPERATURE TC COLD REHEAT STEAM CLD RHT STM COLLECTOR COLL COLUMN CLMN COMBUSTION COMB COMBUSTION ENGINEERING COMMON COM COMMUNICATION COMM COMPARTMENT COMPT COMPLETE COMPL COMPONENT COMP COMPONENT COOLING WATER CCW COMPONENT COOLING WATER CCW DISTR HDR DISTRIBUTION HEADER COMPONENT COOLING WATER CCW SUCT HDR SUCTION HEADER COMPRESSOR COMPR COMPUTER CMPTR CONCENTRATED, CONCENTRATION, CONC CONCENTRATOR

NOMENCLATURE ABBREVIATION CONDENSATE COND CONDENSATE PUMP COND PP CONDENSATE STORAGE TANK CST CONDENSER CNDSR CONDENSER PIT SUMP CNDSR PIT SUMP CONDENSER VACUUM PUMP CNDSR VAC PP CONDITION CONDTN CONDITIONER, CNDTNR CON DITIONING CNDTNG CON DUCT I VITY CNDTVY CONNECTOR, CONNECTION, CONNECTED CONN CONSTANT CONST CONTAINMENT CNTMT CONTAINMENT DRAIN HEADER CNTMT DRN HDR CONTAINMENT ISOLATION ACTUATION CIAS SIGNAL CONTAINMENT ISOLATION SIGNAL CIS CONTAINMENT SPRAY CNTMT SPR CONTAINMENT SPRAY ACTUATION CSAS SIGNAL CONTAINMENT VENT HEADER CNTMT VENT HDR" CONTAMINATED)CONTAMINATION CONTAM CON TINUED CONTD CONTROL, CONTROLLER CONT CONTROL ELEMENT ASSEMBLY CEA C ONTROL ELEMENT DRIVE MECHANISM/ CEDM ASSEMBLY 10

NOMENCLATURE ABBREVIATION CONTROL ELEMENT DRIVE MECHANISM CEDMS SYSTEM CONTROL ELEMENT DRIVE SYSTEM CEDS CONTROL POWER CONT PWR CONTROL RELAY CONT RLY CONTROL ROOM CONT RM CONTROL SWITCH CS CONTROL VALVE CV CONTROLLED CONTRD CONVERTER CONY COOLANT COOL COOLER CLR COOLING CLG COOLING SYSTEM CLG SYS COOLING WATER CW CORE CORE

.CORE SPRAY CORE SPR CORRECTED) CORRECTION, CORRECT CORR

'COUNTERCLOCKWISE CCLKWE COUNTS PER SECOND CPS COUPLING CPLG COUPLING CAPACITOR CPLG CAP COVER CVR CUBIC CUBICLE CUB 11

NOMENCLATURE ABBREVIATION CURRENT/AMPERES . AMP CURRENT LIMITINGFUSE CLF CURRENT TRANSFORMER CXMFR CYCLES CYC CYCLES PER SECOND CYLINDER CYL 12

NOMENCLATURE ABBREVIATION DAMPER

, DANGER DANGER (no abbreviation always spell out DATA PROCESS DATA PROC DEAERATOR DEAER DECREASE DEC DEFEATED DEFEAT DEGREE DEG (o) t DEGREES CELSIUS DEGREES FAHRENHEIT DELUGE DELUGE DEMAND DMND DEMINERALIZED,DEMINERALIZER DEMIN DEMINERALIZED WATER DEMIN WTR DENSITY DENS DEPARTMENT DEPT

'EPENDENT DEPEND DEPRESS DEPRESS 4

'ESCRIBE DESCR DESIGN DSGN DESUPERH EATER DSUPHTR DETECTOR, DETECTION, DETECTED DET DEVIATION DEV DEVIATION LIGHTS DEV LGT DIAGRAM DIAG 13

NOMENCLATURE ABBREVIATION DIAMETER DIA DIAPHRAGM DIAPH DIESEL DSL DIESEL FUEL OIL DFO DIESEL GENERATOR DSL GEN DIESEL OIL DO DIESEL OIL DAY TANKS DO DAY TK DIESEL OIL STORAGE DO STOR DIFFERENCE, DIFFERENTIAL DIFF DIFFERENTIAL PRESSURE b, P D/P DIGITAL DATA PROCESS SYSTEM DDPS DIGITAL ELECTRO-HYDRAULIC DEH DIGITAL ELECTRO-H YDRAULIC FLUID DEH FLUID DIGITALINDICATOR DGTL IND DI MENSION DMSN DIRECT, DIRECTION DIR DIRECT CURRENT DC DIRTY DIRTY DISCHARGE) DISCHARGING DISCH DISCONNECT, DISCONNECTED DISC DISENGAGED DSENGA DISPLAY DSPLY DISSOLVED DSLVD DISTANCE DIST

NOMENCLATURE ABBREVIATION DISTRIBUTION DISTR DITTO DITTO DIVERT, DIVERSION DVT DIVISION DIV DOUBLE POLE DP DOUBLE POLE, DOUBLE THROW DPDT DOUBLE POLE, SINGLE THROW DPST DOUBLE THROW DT DOWN DN DOWNCOMER DNCMR DOWNWARD DNWD DOZEN DZ DRAIN DRN DRAIN COLLECTION HEADER DRN COLL HDR DRAIN COLLECTOR DRN COLL

. DRAWING DWG DROP, DROPPED DROP DUMP DUMP DUPLEX DX DUPLICATE DUP

J.

NOMENCLATURE ABBREVIATION EACH EA EAST EAST BUS E BUS ECCENTRICITY ECCY ECONOMIZER ECON EFFI CIEN C Y EFF E3ECTOR ELECTRIC, ELECTRICAL, ELECTRONIC ELEC ELECTRICAL HEATING COIL ELEC HTG COIL ELECTRICAL/PNEUMATIC ELECTRO-HYDRAULIC ELECTROMOTIVE FORCE EMF ELEMENT ELEM ELEVATION ELEVATOR ELEV EMERGENCY EMERG EMERGENCY COOLING WATER EMERG CLG WTR EMERGENCY CORE COOLING ECCS SYSTEM EMERGENCY PROCEDURE EMERGENCY VENTILATION EMERG VENT ENABLE ENBL ENCLOSE) ENCLOSURE ENCL END END EN ERGIZED ENRGZ 16

NOMENCLATURE ABBREVIATION ENGAGE ENGA ENGINE, ENGINEERING ENGINEERED SAFEGUARDS CABINET ENG SFGD CAB ENGINEERED SAFEGUARDS ENG SFGD ENGINEERED SAFEGUARDS FEATURE ESFAS ACTUATION SIGNAL EQUAL, EQUATION EQ (=)

EQUIPMENT EQUIP EQUIPMENT DRAIN TANK EQUIP DRN TK EQUIVALENT EQUIV ESTIMATE EST EVAPORATION, EVAPORATOR EVAP EVENT EVNT EXAMPLE EX EXCESSIVE EXCESS

'XCHANGE, EXCHANGER EXCH EXCITATION EXCTN EXCITER EXCTR EXHAUST EXH EXHAUST HOOD EXH HD EXHAUST VENT EXH VENT EXHAUSTER EXHR EXPANSION EXPAN EXTERIOR DOOR EXT DR EXTRACT, EXTRACTION, EXTRACTOR EXTR EXTRACTION STEAM EXTR STM

NOMENCLATURE ABBREVIATION FACILITYREVIEW GROUP FRG FACILITYSAFETY ANALYSIS REPORT FSAR

~

FAIL AS IS FAI FAIL CLOSED FC FAIL OPEN FO FAILURE FAIL F A RENH EIT (DEGREES) F FAULT FAULT FEED FEED FEEDER FDR FEEDWATER F.,W FEEDWATER PUMP FW PP FIELD FLD FIGURE FIG FILL FILL FILTER FLTR FILTRATION FLTRN FIRE ~

FIRE FIRE PROTECTION FIRE PROT FIRE PUMPS FIRE PP FIRING FIRING FIRST lst FLOW FLO

NOMENCLATURE ABBREVIATION FLOW CONTROL DEVICE WITH FIC IN DICATION FLOW CONTROL VALVE FCV FLOW ELEMENT FE FLOW FUNCTION FLO FUNC (SQ. ROOT EXTRACTOR)

FLOW INDICATINGSWITCH FIS FLOW INDICATOR FI FLOW RECORDER FR

)~ FLOW SOLENOID ELEMENT FSE FLOW SWITCH FS FLUID FLU FLUORESCENT FLUOR FORCED DRAFT FD FORCED DRAFT FAN FDFAN FORCING FORCING "FORWARD FW,D FREQUENCY FREQ

.'REQUENCY METER FM FREQUENCY MODULATING FREQ MOD FREQUENCY RECORDER HZ/R FROM FROM FUEL/AIR RATIO F/A RATIO FUEL BUILDING FUEL BLDG FUEL HANDLING FUEL HDLG FUEL OIL FUEL OIL, 19

NOMENCLATURE ABBREVIATION FUEL POOL .FUEL POOL FUEL POOL ROOM FUEL POOL RM FURNACE FUR FUSE FUSE 20

NOMENCLATURE ABBREVIATION GAIN GAIN

~ GALLONS GAL GALLONS PER MINUTE GPM GAS, GASEOUS GAS GAS ANALYZER GAS ANAL GAS COLLECTION HEADER GCH GAS SURGE HEADER GSH GATE VALVE GTV GEAR GEAR GENERATOR GEN GLAND GLND GLAND STEAM GLND STM GOVERNOR GOV GRA VITY GRVY GREEN GRN

. 'GRIPPER GRIPPER GROUND GRD

~ GROUND DETECTOR GRD DET GROUND VOLTMETER GRD VM GROUP GRP GUIDE GUIDE GUIDE TUBES GUIDE TUBES

NOMENCLATURE ABBREVIATION H AND/INDICATION/CONTROL HIC HANDLE HDL HATCH HATCH HEADER HDR HEAT

'HEAT EXCHANGER 0

HEAT EXCHANGER INLET HX INT HEAT EXCHANGER OUTLET HX OUT HEAT TRACE HT TR HEATER HTR HEATER DRAIN HTR DRN HEATER DRAIN PUMP HTR DRN PP HEATING HTG HEATING AND VENTILATION HRV HEATING AND VENTILATIONSYSTEM HV SYS HEATING, VENTILATIONAND AIR HVAC CON DITIONING HEAVY HVY HERTZ HZ HIGH HI HIGH/HIGH

'IGH EFFICIENCY PARTICULATE HEPA ARRESTOR HIGH HIGH HI - HI HIGH HI/HI-HI HIGH LEVEL Hl LVL HIGH/LOW HI/LO 22

NOMENCLATURE ABBREVIATION HIGH PRESSURE HP HIGH PRESSURE HEATER HP HTR HIGH PRESSURE IN3ECTION HP IN3 HIGH PRESSURE SAFETY IN3ECTION HPSI HIGH VOLTAGE HI VOLT HOLDUP TANK H/U TK

'ORIZONTAL HORIZ HOT HOT HOT LEG HT LG HOT LEG TEMPERATURE TH HOT SHUTDOWN CONTROL PANEL HSCP HOTWELL HTWL HOUR HR HOUSING HSG HUMIDITY HUMD

.HUTCHINSON ISLAND HUTCH ISL HYDRAULIC HYD

HYDRAZINE HYRZN H YD ROE LECT RIC HYDRO ELEC HYDROGEN H2 HYDROGEN ANALYZER H2 ANAL HYDROGEN GAS H2 GAS H YDROGEN MANIFOLD H2 MANF MANUALAUTOMATIC CONTROL STATION HIC 23

NOMENCLATURE ABBREVIATION IGNITION IGN ILLUMINATE ILLUM IMMERSION IMRSN INADEQUATE CORE COOLING ICC INCH POUND IN LB INCHES INCOMING INCMG

'NCORE INCORE

'NCREASE INC INCREMENT INCR MT INDICATINGLIGHT INDIC LGT INDICATION,INDICATORS INDIC INDUCED DRAFT ID INDUCED DRAFT FAN IDFAN INFORMATION INFO IN3ECTION IN3ECT INLET/INTAKE INT INOPERATIVE INOP INPUT INPUT INSERT, INSERTION INSERT INSTRUMENT) INSTRUMENTATION INSTR INSTRUMENT AIR INSTR AIR INSTRUMENT AIR COMPRESSOR INSTR AIR COMPR INTAKE COOLING WATER ICW INTEGRATE; INTEGRATOR INTEG

NOMENCLATURE ABBREVIATION INTERCEPT INTCP INTERCHANGEABLE INTCHG INTERIOR DOOR INTR DR INTERLOCK INTLK INTERRUPT INTRPT INVERTER INVTR ION ION ION EXCHANGER IX ISOLATED ISOLD ISOLATION ISOL ISOLATION VALVE ISOL VLV ELECTRICAL/PNEUMATIC

'5

NOMENCLATURE ABBREVIATION 3OINT 3T 3OURNAL 3RNL 3UNCTION 3CT 3UNCTION BOX 3CT BX 26

NOMENCLATURE ABBREVIATION KEYBOARD KEYBD

~ KILO/THOUSAND KILOGRAM KILOMETER KILOVARS KYAR KIL'OVOLT KV KILOVOLT-AMPERE KVA KILOVOLT-AMPEREHOUR KVAH KILOWATT KILOWATTHOUR KITCHEN KITCHEN 27

NOMENCLATURE ABBREVIATION LABORATORY LAB LATCHES LATCH LAUNDRY LAUN LEAD LEAD LEAD COVER LDCOV

~

LEAKAGE LEAK LEAKOFF LKOFF LEFT LEFT HAND LH LEG LG LETDOWN LTDN

~

LEVEL LVL LEVEL CONTROL DEVICE WITH LIC IN DICATION LEVEL CONTROL VALVE LCV LEVEL ELEMENT LE LEVEL INDICATINGSYSTEM LIS LEVEL INDICATION WITH CONTROL LIC LEVEL INDICATOR LI LEVEL RECORDER LR LEVEL SOLENOID ELEMENT LSE LEVEL SWITCH LS LICENSEE EVENT REPORT LER LIFT LIFT LIGHTING L'TG 28

NOMENCLATURE ABBREVIATION LIGHTNING ARRESTOR LTGNG ARSR

. LIMIT,LIMITING LMT LIMITER LMTR LINE LINEAGE LINEAGE, LINEAR LIN LIQUID LIQ LIQUID WASTE LIQ WST LOAD LOAD LOCAL LCL LOCATION, LOCATE LOC LOCKED CLOSED LC LOCKED.OPEN LO LOCKOUT LCKOUT LOGARITHMIC,LOGARITHM LOG

'.LOOP LOOP LOOSE LOOSE

,'. LOOSE PARTS MONITORING LPM LOSS LOSS LOSS OF COOLANT ACCIDENT LOCA LOSS OF FEEDWATER LOF LOW LO LOW - LOW LO-LO LOW HEAD LO HD LOW LEVEL LO LVL 29

NOMENCLATURE ABBREVIATION LOW PRESSURE LP LOW PRESSURE HEADER LP HDR LOW PRESSURE SAFETY IN3ECTION LPSI LOW TEMPERATURE OPERATING PRESSURE LTOP

~

LOW VOLTAGE LO VOLT LOWER LWR LUBE LUBE LUBE OIL LUBE OIL LUBE W"'. TER LUBE WTR LUBRICATION LUBE POUND LB

NOMENCLATURE ABBREVIATION MAGNET, MAGNETIC MAG MAIN MAIN STEAM MAIN STEAM ISOLATION SIGNAL MSIS MAIN STEAM ISOLATION VALVE MSIV MAIN TRANSFORMER MN XFMR MAINTENANCE,MAINTAINED MAINT MAKEUP, MAKE-UP MKUP MANAGER MGR MAN DAYS MAN DAYS MANHOLE MANIFOLD MANF MANUAL.

MANUFACTURE) MANUFACTURER MFR MANUFACTURING MFG

. MARK MK MATERIAL MATL MAXIMUM MAX MEASUREMENT MEAS MECHANICAL,MECHANISM MEGAOH M MOHM MEGAVARS MVAR MEGAWATT HOURS MWH MEGAWATTS METAL CLAD M/C

P 0

NOMENCLATURE ABBREVIATION METER METER MIDDLE MDL MIDWAY MID MILES MI MILL'IAMPERE MAMP

'ILLIMETER MILLIVOLT. MVOLT MINIMUM MIN MINUTE MINUTE MISALIGNED MISALGN MISCELLANEOUS MISC MISCELLANEOUS DRAINS MISC DRN MIXTURE MIX MODE MODE MODEL MODEL MOISTURE SEPARATOR REHEATER MSR MOTION MTN MOTOR MTR MOTOR CONTROL CENTER MCC MOTOR GENERATOR MG MOTOR GENERATOR SET MG SET MOTOR OPERATED MTR OP MOTOR OPERATED DISCONNECT MOD MOTOR OPERATED VAI VE MV MOTORING MTRG 32

NOMENCLATURE ABBREVIATION MOUNTED MTD MOVABLE MOVABLE M ULTIRATIO MULTI RATIO MULTIPLE MULTI SAFETY MEASUREMENT CHANNEL A SAFETY MEASUREMENT CHANNEL B SAFETY MEASUREMENT CHANNEL C MC SAFETY MEASUREMENT CHANNEL D MD

0 NOMENCLATURE ABBREVIATION NAMEPLATE NMPLT NATIONAL NATL NEEDLE VALVE NDL VLV NEGATIVE NEG NET NEUTRALIZING,NEUTRAL NEUT NICKEL NKL NITROGEN NITROGEN GAS N2 GAS NITROGE>~ MANIFOLD N2 MANF NITROGEN SUPPLY N2 SPLY NOMENCLATURE NOMEN NOMINAL NOM NON NORMAL NORM NORMALLYCLOSED NORMALLYOPEN NO NORTH N NUCLEAR INSTRUMENTATION (SYSTEM) NI(S)

NUCLEAR STEAM SUPPLY SYSTEM NSSS NUMBER NUM

NOMENCLATURE ABBREVIATION OBSTRUCTION OFF OFF OFFICE OFFICE OHMMETER OHMMETER OIL OIL OIL CIRCUIT BREAKER OCB ONE ONE OPEN OPEN OPERATE) OPERATED, OPERATION, OPER OPERATING OPERATING COIL OPER COIL OPERATING INSTRUCTION OI OPERATING PROCEDURE OP OPPOSITE OPP ORANGE ORN ORIGIN AL ORIG p

'UT OF SEQUENCE OUT OF SEQ OUT OF SERVICE OOS

'UTBOARD OUTBD

OUTDOOR OUTDR OUTLET OUT OUTSIDE -OUTSD OUTSIDE AIR OA 0 UTSIDE AIR INTAKE OA INT OVER OVER 35

NOMENCLATURE ABBREVIATION OVERCURRENT OVRCURR OVERLOAD OVRLD OVERRIDE OYRRD OVERSPEED OYRSPD OXYGEN 02 36

NOMENCLATURE ABBREVIATION PACKING PKG PANEL PNL PARALLEL PARA PARTS PART PARTS PER MILLION PPM

'PERCENT  % PCT PERMANENT PERM PERMANENT MAGNET PERM MAG PERMISSIVE, PERMISSIBLE PERMISS PERSONNEL AIR LOCK PRSNL AIR LCK PERSONNEL ESCAPE PRSNL ESCAPE ph (HYDROGEN ION CONCENTRATION)

PHASE PHS 5 PICKUP P/U PIPE PIPE PLANT PLT PLATFORM PLATF PLUG VALVE PLUG VLV PNEUMATIC PNEU PNEUMATIC/ELECTRIC POINT POINT PORTABLE PORT POSITION POSITION POSITIVE P,OS POSTACCIDENT PANEL PAP 37

NOMENCLATURE ABBREVIATION POTENTIAL POTX POTENTIAL DEVICE PD POTENTIAL TRANSFORMER PT POTENTIOMETER POT POUNDS LBS POUNDS PER SQUARE INCH PSI POUNDS PER SQUARE INCH ABSOLUTE PSIA POUNDS PER SQUARE INCH PSID DIFF ERE N TIAL POUNDS PER SQUARE INCH GAUGE PSIG POWER PWR POWER AMPLIFIER PWR AMP POWER CENTER PWR CTR POWER CON TROL VALVE PWR CV POWER DEPENDENT INSERTION LIMIT PDIL POWER FACTOR PWR FAC POWER FACTOR METER PFM POWER OPERATED RELIEF VALVE PORV

','POWER PANEL PWR PNL POWER SUPPLY PWR SPLY PRACTICE PRAC PRE PRE PRE TRIP PRE TRIP PREAMPLIFIER PREAMP P RECI PITATOR PRECIP

NOMENCLATURE ABBREVIATION PRECISION PREC PRELIMINARY PRELIM PRE-POWER DEPENDENT INSERTION LIMIT PPDIL PRESS, PUSH PUSH

~

PRESSURE PRESS PRESSURE DIFFERENTIAL INDICATOR PDI PRESSURE DIFFERENTIAL INDICATING PDIS SWITCH PRESSURE INDICATINGSWITCH PIS PRESSURE INDICATOR PI PRESSURE OPERATED RELIEF VALVE PORV PRESSURE RECORDER PR PRESSURE SWITCH PS PRESSURIZER PRZR PRESSURIZER HEATER PRZR HTR PRESSURIZER QUENCH TANK QNCH TK PRIMARY PRI PRIMARY WATER PRI WTR PRIMARY WATER STORAGE TANK PWT PRIMING PRMG PRINTER PRTR PROCESS, PROCESSING PROC PROHIBIT PROHIBIT PRO3ECTOR PRO3 PROPELLER, PROPOSED PROP PROPORTION (AL) PROPN

NOMENCLATURE ABBREVIATION PROTECT, PROTECTION, PROTECTIVE PROT PULVERIZER PULV PUMPS PP PURGE PURGE PURIFICATION PURIF PURITY PURITY PUSHBUTTON PUSHBUTTON STATION PB STA 00

NOMENCLATURE ABBREVIATION QUALITY QUAL QUALITYASSURANCE QA QUANTITY QTY QUENCH QNCH QUENCH TANK QNCH TK QUICK QUICK

NOMENCLATURE ABBREVIATION RADIATION RAD RADIATION-CHEMISTRY ~

RAD CHEM RADIATION MEASUREMENT MONITORING RMM RADIATION RECORDER RAD RCDR RADIATION WASTE RADWST RADIATOR RDTR

. RADIOACTIVE RADIOACTIVE REMS PER HOUR R/HR RAISE .

RAISE RANGE RATE RATE RATIO RATIO REACTOR RX REACTOR AUXILIARYBUILDING RAB REACTOR CONTAINMENT BUILDING RCB REACTOR CONTROL OPERATOR RCO REACTOR COOLANT RC REACTOR COOLANT PUMP RCP REACTOR COOLANT SYSTEM RCS REACTOR DRAIN TANK RDT REACTOR HEAD RX HD REACTOR HEAD SEAL RX HD SEAL REACTOR MAKEUP WATER RMW REACTOR PROTECTIVE SYSTEM RPS REACTOR REGULATING SYSTEM RRS

NOMENCLATURE'BBREVIATION REACTOR TURBINE/GENERATOR BOARD RTGB RECEIVER RCVR RECEPTACLE RCPT RECIRCULATION, RECIRCULATING RECIRC RECIRCULATION ACTUATION SIGNAL RAS RECORD, RECORDER, RECORDING RCD) RCDR, RCDG RECTIFIER RECT REFERENCE REFERENCE REACTOR COOLANT TREF TEMPERATURE OF A LOOP REFUELING REFUEL REFUELING WATER TANK RWT REGENERATING) REGENERATIVE, REGEN REGENERATION REGULATOR, REGULATING REG REHEAT REHEATER RHTR REHEATER CONTROL VALVE RHTR CONT VLV RELAY RLY RELIEF RLF RELOCATED RELOC REMOVE, REMOVABLE RMV REQUIRED REQD RESERVOIR RSVR RESET RESET RESET COIL RESET COIL

NOMENCLATURE ABBREVIATION RESISTOR, RESISTANCE RES RESISTANCE TEMPERATURE DETECTOR RTD RESTRICTOR ORIFICE RESTR ORFC RETRACT RETR RETURN RTN REVERSE REVERSE REVERSE CURRENT VALVE RCV REVISION REV REVOLUTIONS PER MINUTE RPM REVOLUTIONS PER SECOND R/S RHEOSTAT RHEO RIGHT RT

~

ROOM RM ROTATION ROTN ROTOR ROT

.RUN) RUNNING RUN RUNBACK RUNBACK

NOMENCLATURE ABBREVIATION SAFEGUARD SFGD SAFETY SFTY SAFETY ACTUATION CHANNEL SA, SB, SAB SAFETY IN3ECTION SI SAFETY IN3ECTION ACTUATION SIGNAL SIAS SAFETY IN3ECTION HEADER SI HDR SAFETY IN3ECTION SYSTEM SIS SAFETY IN3ECTION TANK SI TK SAFETY RELIEF VALVE SFTY RLF VLV SAINT LUCIE ST LUCIE SAMPLE) SAMPLING SMPL SAMPLE COOLER SMPL CLR SCHEDULE SCHED SCHEMATIC SCHEM SCREEN SCRN SCREEN WASH PUMP STRAINERS SCRN WASH PP STRNR SEAL SEAL'EAL SEAL AIR AIR SEAL OIL SEAL OIL SECOND 2ND SECONDARY SECDRY SECTION SECT SEISMIC SEISMIC SELECTED, SELECTION, SELECTOR SEL SELECTOR SWITCH SEL SW

NOMENCLATURE ABBREVIATION SELSYN SELS SEPARATOR SEPR SEQUENCE SEQ SEQUENCE OF EVENTS RECORDER SER SEQUENTIAL SEQL SERIAL, SERIES SER SERVICE SERV SERVICE WATER SERV WTR SET, SETTING SET SHAPE SHAPE SHED SHED SHIELD SHLD SHIELD BUILDING SHLD'LDG SHIELD BUILDING CONTROL ROOM SHLD BLDG CONT RM SHIELD BUILDING VENTILATIONSYSTEM SBVS SHUT SHUT SHUTDOWN S/D SHUTOFF S/0 SHUTOFF VALVE S/0 VLV SIGNAL SIG SIMILAR SIM SINGLE POLE, DOUBLE THROW SPDT'PST SINGLE POLE, SINGLE THROW SINGLE THROW ST SNUBBER SNBR SODIUM ION

I I NOMENCLATURE ABBREVIATION SOL SOLENOID ELEMENT SOL EL SOLENOID VALVE SOL VLV SOOT BLOWER SOOT BLO ~

S'0UTH S

.SPEAKER SPKR, SPECIFICATION SPEC SPEED SPD SPENT FUEL PIT SFP SPENT Rc,SIN TANK SR TK SPILLOVER SPLOVR SPRAY SPR SQUARE SQ SQUARE FOOT SQFT SQUARE ROOT SQRT STABILIZER STAGE STANDARD STD STANDBY S/B START START STARTER STRTR STARTING STRTG START-UP S/U STATION STA STATION AIR STA AIR

NOMENCLATURE ABBREVIATION STATOR STATUS STAT STEAM STM STEAM BYPASS CONTROL SYSTEM SBCS STEAM DUMP STM DMP STEAM GENERATOR STEAM GENERATOR FEED PUMP SGFP STEAM 3ET AIR E3ECTOR SJAE STOP STOP STOP VALVE STOP VLV STORAGE STOR STRAINER STRNR STRUCTURE STRUC STUFFING BOX STFG BX SUBCOOLING MARGIN MONITOR SUBSTATION SUBSTA SUBTRACT SUBTR SUCTION SUCT I

SUMP SUMP SUPERHEAT(ER) SUPHT (R)

SUPERSEDED SUPSD SUPPLEMENT SUPPL SU P PRESSION, SU P PRESSOR SUPPR SUPPLY SPLY SUPPORT SUPT

NOMENCLATURE ABBREVIATION SURFACE SURF SURGE SURGE SWITCH SWITCH BOARD SWBD SWITCH GEAR SWGR SWITCH YARD SWYD SYMBOL SYM SYNCHRONIZE, SYNCHRONIZER, SYNC SYNCHRONIZING, SYNCHRONOUS SYN CH ROSCOPE SYNSCP SYSTEM SYS

k l

NOMENCLATURE ABBREVIATION TACHOMETER TACH TANK TECHNICAL TECH TECHNICAL SUPPORT CENTER TSC TELEMETER TLM TELEPHONE TEL TELEVISION TV TEMPERATURE TEMP TEMPERATURE AVERAGE TAVG TEMPERATURE CONTROL DEVICE WITH TIC INDICATOR TEMPERATURE CONTROL VALVE TCV TEMPERATURE ELEMENT TE TEMPERATURE INDICATING SWITCH TIS TEMPERATURE INDICATOR TEMPERATURE OF THE COLD LEG TC OF A LOOP TEMPERATURE OF THE HOT LEG TH OF A LOOP

'TEMPERATURE RECORDER TEMP RCDR TEMPERATURE REFERENCE TREF TERMINAL TERM TERMINAL BOX TERM BX TEST TEST TEST LINK TEST LINK THERMAL THRML 50

NOMENCLATURE ABBREVIATION THERMAL MARGIN THRML MAR THERMAL MARGIN/LOW PRESSURE TM/LP T HER MOCOUPLE TE THERMOMETER THERM THERMOSTAT THERMO THOUSAND (KILO)

THROTTLE, THROT THROUGH THRU THRUST THRUST TIE TIE TIE LINE. TIE LN TIME DELAY CLOSE TDC TIME DELAY DROPOUT TDD TIME DELAY OPEN TDO TIME DELAY PICKUP TDP/U TIMING TMG TOILET TOILET TOTAL TOT TOTALIZER TOTLZR TRANSFER XFR TRANSFORMER XFMR TRANSMITTER XMTR TRA VELING TRVLG TRA VELING SCREEN TRVLG SCRN TREATMENT TREAT 51

NOMENCLATURE ABBREYIATION TRIAXIAL TRIAX TRIGGER TRIG TRIP(S) TRIP TRIP CIRCUIT BREAKER .TCB TROUBLE TRBL TUBE TUBE TURBINE TURBINE CLOSED COOLING WATER TURB CLOSE CLG WTR TURBINE COOLING TURB CLG TURBINE COOLING WATER TCW TURBINE COOLING WATER PUMP TCW PP TURBINE COOLING WATER SURGE TANK TCW SURGE TK TURBINE GENERATOR TURB GEN TURNING TURN TURNING GEAR TRN GR T'YPICAL TYP

/

TRAC II TRAC II'2

NOMENCLATURE ABBREVIATION ULTIMATEHEAT SINK UHS UN A VAILABLE , UNAVAIL UNBALANCED UNBAL UNDER UNDER UNDERGROUND UG UNDERVOLTAGE U/V UNIT U UNITED STATES US UN IVERSAL UNIV UNPROCESSED UNPROC UP UP UPPER UPR UPPER GUIDE STRUCTURE UGS UTILITY UTIL MICROFARAD UF, pF 53

NOMENCLATURE ABBREVIATION VACUUM VAC VALVE (S) VLV VAL'VE BOX VLV BX VAPOR VPR VAPOR EXTRACTOR VPR EXTR VENTILATION YENT VENTILATION YENT EXH EXHAUST'ENTS YENTS VERTICAL VERT VIBRATION VIB YITAL YTL YITAL DIRECT CURRENT VTL DC VOLT VOLTAGE VOLT VOLTAGE REGULATOR VOLT REG VOLTMETER VM VOLTMETER SWITCH VM SW

,'.VOLTS DIRECT CURRENT YDC VOLUME YOL VOLUME CONTROL TANK VCT

NOMENCLATURE ABBREVIATION WARM WARM WARMUP W/U WASTE WST WASTE MANAGEMENT WASTE MANAGEMENTSYSTEM WMS WASTE MANAGEMENTTANK WATER WTR WATER BOX WTR BX WATER GAUGE WTR GAUGE WATER TREATMENT PLANT WTP WATT WATT WATT HOUR WH WATT HOUR METER WHM WATT METER WEEK WEIGHT WT WELL WATER WELL WTR WEST WEST BUS W BUS WHILE WHILE WIDE WIDE WINDING WDG WITH w/

WITHDRAWAL WTHDRWL WITHOUT W/O 55

l e

e

NOMENCLATURE ABBREVIATION TRANSFER XFR TRANSFORMER XFMR TRANSMITTER 56

NOMENCLATURE'BBRE-VIATION YARD YD YEAR YR YELLOW YEL 57

NOMENCLATURE SYMBOL AT DIFFERENTIAL FOUR CONDUCTOR e/c FOUR POLE GREATER THAN

'ESS THAN OHM (diagrams only)

OR PERCENT SEVEN CONDUCTOR 7/C SINGLE CONDUCTOR I/C SINGLE PHASE 1 PH THREE CONDUCTOR 3/C THREE PHASE 3 PH

.THREE POLE 3 P TWO CONDUCTOR 2/C TWO PHASE 2 PH

4 FPRL Annunciators St. Lucie Unit 2 FPRL DICTIONARY ADDITIONS following are additions to the FPRL DICTIONARY OF ABBREVIATIONS AND C'he ACRONYMS.

NOMENCLATURE ABBREVIATION ABSORBER ABSORB AUXILIARYFEEDWATER ACTUATION SIGNAL AFAS ENGINEERED SAFEGUARDS FEATURE ACTUATION SIGNAL ESFA S LOW TEMPERATURE OPERATING PRESSURE LTOP MOVABLE MOVABLE PRESSURE OPERATED RELIEF VALVE PORV SEQUENCE OF EVENTS RECORDER SER

LARGE LA,BELS

1) Letter height is 1/2 inch.

2) Label height is:

o 1 inch with one line of text o 1 3/4 inches with two lines of text.

3) All borders and,space between lines are 1/4 inch.

4) Letter width is 5/16 inch.

5) Numeral width is 5/16 inch except for the numeral "4," which is one stroke width wider.

6) The minimum space between words is 5/16 inch.

7) The stroke width is 1/16 inch.

The minMum space between characters is 1/16 inch.

a

I ~

RTGB 201 S PP~Y LABELS't LABEL

l. TURBINE GZ262VLTOR 12. RTG3 201

2. STA, BATT ZC 13. RTG3 202

3. STA ELEC 2A 14. RTG3 203

4. 125V DC 15. RTGB 204

5. 2A RKRG ELEC 16. RTGB 205

6. 'STA BATT 2A 17. RTG3 206

7. 125V - DC 18. PAP 1

8. 2A3 PKRG ELEC 19. HVAC

9. STA. ELEC,23 20. LINE REPEAT

10. 125V DC STA BATT 23 RTGB 202 SUGARY ~ELS STEAM GENITOR FEED WATER ST~ DUMP AGXZLIARY FEZ)WA~

5. HECK DRAIN AMPERE

6. HEA~ DRAIN PUMP RTGB 203 S~~ LABELS REACTOR COOLANT PUMP

2. PRESSURIZER

3. PRESSURIZER

4. RC LOOP

6. FLOW

5. 231 LEG

6. 2A1 LEG HVAC S~~Y LABELS

l. ~rGENCY VENTILATION TRAIN B

2. ~GENCY ~ILATION TRAM a 3 NON-SAFE~ Z VENTILATION

LARGE LABELS RTGB 204 SUGARY LABELS

1. REACTOR POWER

2. NUCLEAR INSTRUMENTATION & CZA DISPLAY

3. REACTOR COOLAHT

4. REACTOR. COOLANT TAVG/TREF RTGB 205

SUMMARY

LABELS LIQUID & GASEOUS WASTE

2. MAKEUP 3~ CHARGING & LETDOWN RTGB 206 SUGARY LABELS COMPONENT COOLING WATER 21.

2. CONTAlNK.NT SPRAY 22. ISOLATION & BYPASS VALVE

3. SAFEGUARD S CHAN~a. A 23. SHUTDOWN COOLING SAFEGUARDS CABBY B 24. MSIS SAFEGUARDS CHANNEL C 25.

6. SAFEGUARDS CEV2lNEL D 26. MSIS 7 ~ SAFETY INJECTION 27. CIAS

8. SEUTDOWN COOLING

9. HP SI

10. LPSI CSAS

12. SIAS

13. RAS

14. SAFETY INJECTION TANK VALVE

15. SAFETY IHJECTION TANK VALVE 16 SHUTDOWN COOLING

17. HPSI

18. LPSI

19. CSAS SIAS

MED XM IABELS Letter height is 1/4 inch.

2) Label height is:,

' 1/2 inch vith one line of text o 7/8 inch with two lines of text.

3) All borders and space between lines are 1/8 inch.

4

4) Letter width is 3/16 inch.

5) The minimum space between words is 3/16 inch.

6) The s "oke width is 1/32 inch.

7) The minimum space between characters is 1/32 inch.

Numeral width is 3/16 inch except for the numeral "4," which is, one stroke vidth vider .

l 1

RTGB'201 MEDIUM

SUMMARY

'ABELS

1. ) STEAM PRESSUPX 2.) OIL PRESSURE

3. ) HYDROGEN

4. ) AIR REMOVAL

5. ) CONDENSER VACUUM

6. ) REACTOR TRIP 7.) PHASE ANGLE

8. ) EXTRACTION STEAM 9.) GLAND STEAM

10. ) REHFATER MAIN STEAM VALVE

11. ) TURBINE AUXILIARY

. 12. ) TURBINE DRAIN

13. ) TURNING GEAR 14.) 6.9 RV 15.) 4.16 KV 16.) 4.16. ZV .

BUS 2A3 17.) 4.16 KV 18.) 6.9 m 19.) 4.16 KV 20.) 4.16 KV BUS 2B3

21. ) GENERATOR AUTO SYNCHRONIZE

S V

'RTGB 202 MEDIUM

SUMMARY

LABELS 1.) . LEVEL 2.) FEEDWATER PUMPS HEADER PRESSURE 3.) FEEDWARER PUMP FLOW 4; ) FLOW S;) PRESSURE

6. ) STEAM GENERATOR LEVEL 7.) FEEDWATER 6 STEAM FLOW 8.) CONDENSATE STORAGE TANK 9 ~ ) TRAVELS SCREEN AP

10. ) INTAKE COOLING WATER 11.) 'URBINE COOLING WATER

12. ) CONDENSATE

13. ) CIRCULATING WATER AMPERE 14 ~ ) INTAKE COOLING WATER 15.) CONDENSATE 16.) PRIMARY MAKEUP WATER PUMP

17. ) TRAVELING SCREEN 18.) CIRCULATING WATER,

0 RTGB 203 MEDIUM SUGARY LABELS 1.) LEVEL 2.) TEMPERATURE 3.) PRESSURE 4.) FLOW 5.) 2Aa 6.)

7.) 2Bl 8.) 'B2 9.) - 2A1

10. ) 2A2 ll.) 2B1 12.) 2B2 13.) WATER TEMPERATURE 14.) DISCHARGE TRPERATURE

15. ) QUENCH TANK as.) LEVEL &

PRESSURE 17.) LEVEL &

PRESSURE 18.) PRESS & TM/LP SETTING 19.) SPRAY 20.) PRESSURE 21.) LEVEL

,22. ) HEATER

23. ) REACTOR COOLANT 24.) RELIEF 25 ' QUENCH TANK VALVE 26.) AUXILIARY SPRAY

'RTGB 204 MEDIUM

SUMMARY

LABELS 1.) WIDE RANGE A.

2.) WIDE RANGE B 3.) WIDE RANGE C 4.) WIDE RANGE D

5. ) REACTOR TRIP 6.) . CEA GROUP

RTGB 205 MEDIUM

SUMMARY

LABELS 1.) HOLDUP TANK

2. ) REACTOR DRAIN TANK

3. ) REACTOR CAVITY 4.) WASTE GAS 5 ' FLASH TANK 6.) LIQUID WASTE 7.) REACTOR DRAIN TANK 8.) FLASH TANK 9 ' CONTAINMENT ISOLATION VALVE 10.) FLOW VALVE 11.) BORIC ACID 12.) REACTOR 13.) BA PUMP 14.) BA RECIRC VALVE 15.) BA GRAVITY FEED

16. ) VOLUME CONTROL TANK

17. ) BLOWDOWN

18. ) CHARGING

19. ) LETDOWN 20.) VCT

21. ) CHARGING PUMP

22. ) LETDOWN

'TGB 206 MEDIUM S~ARY LABELS 1.) CCW TRAIN A

2. ) CONTAINMENT 3.) CCW TRAIN B

4. ) HYDRAZINE 5.) PUMP 6.) VALVE 7.) PUMP 8.) VALVE

9. g RAS VALVES 10.) SI TR ISOL VLV 11 ) HYDRAZINE PUMP

12. ) MINIMUN FLOW 13.) LOOP 2Al VALVE

14. ) ISOLATION VALVE 15.) SI TK ISOL VLV 16.) HYDRAZINE PUMP 17.) MINIMUM FLOW 18.) LOOP 2B2 VALVE

19. ) ILSOLATION VALVE 20.) FEEDWATER TO SG 21.) MAIN STEAM 22.) SG BLOWDOWN 23.) CCW

24. ) PRESSURIZER 'SAMPLE

RGTB 206 (Continued)

MEDIUM

SUMMARY

LABELS 25.) FEEDMATER TO SG 26.) MAIN STEAM 27.) SG BLOMDOWN 28.) CCM 29.) PRESSURIZER SAMPLE

'HVAC MEDIUM

SUMMARY

LABELS 1.) SHIELD BUILDING 2.) CNTMT TO ANNtJLUS 3.) ECCS 4.) CONTROL ROOM

5. ) CONTROL ROOM

6. ) . CONTAINK'.NT 7.) SHIELD & FUEL HDLG BLDG 8.) SHUTDOWN HZ 9.) ECCS 10.) FUEL HANDLING BLDG 11.) SHIELD BUILDING 12.) CNTMT TO ANNULUS 13.) ECCS 14 ~ ) CONTROL ROOM

15. ) CONTROL ROOM 16 ~ ) CONTAINMENT

, 17.) SHIELD & FUEL HDLG BLDG 18.) SHUTDOWN HZ 19.) ECCS 20.) FUEL HANDLING BLDG 21.) FUEL POOL

22. ) CONTINUOUS CNTMT/

H2 PRUGE

'PLANT'AUXILIARYPANEL MEDIUM

SUMMARY

LABELS 1.) OUTDOOR LIGHTS

2. ) RCB 3.) INSTRUMENT AIR COMPRESSOR RESET

COY ON N~

. TWO LlNES OF TKG EHGIN~ING NUMBER Label width is 2 1/2. inches.

k

2) Label height is 3/4 inch vith:

o Tvo lines of text allowed (Component label) o One line for the engineering. number.

Bottom and top borders are 1/16 inch HOTZ: Tf -only one line of text is used; allow a top border of 3/16 inch.

and ~space between first and engineering line oi 7/32 inch.

4) The space betveen first. and second lines is 3/32. inch.

5) The space between second. and third lines is 1/16 inch-

6) The side, borders are 1/8 inch

7) Letter height is 3/16 inch for first and second lines.

8) The letter/numbe height of the third Line is 3/32 inch

~

9) Letter/number width is 1/8 inch for component lines and 1/16 inch for the engineering line except or the numeral "4," which is one stroke vidth vider.

10) The minimum space betmen words is: 1/8 inch.

11) The stroke width is 1/32 inch for the component lm~es and 1/64 inch for the engineering line

12) The minimum space between characters'hould be one stroke. vidth.

f LABEL WITH TWO S OF TEXT 3rd LINE or ENG INE ERIN.G NUMBER.

/8'P HP SUPPLY BLOCK VAlVE

.2-408!9 RST E 8M-LABEL WITH ONLY ONE LINE OF TEXT.

GUIDELINES FOR DEMARCATION LINES,

SUMMARY

LABELS, AND MIMICS (Rev. I) 1.0 OB3ECTIVE The objective of these guidelines is to provide general guidance to FPRL personnel for designing and implementing demarcation, summary labels, and mimics. This is an informal guide rather than an official specification.

2.0 DEMARCATION LINE GUIDELINES The purpose of demarcation is to reduce operator workload by lessening the amount of information that must be processed to locate a specific component. This is accomplished by allowing the operator, when visually searching, to discard groups of components rather than looking at each individual one. This reduces response time and error rates.

~ ~ ~

2.1

~ Simplicity of Design The most important consideration of human factors engineering is to make things only as complex as is necessary to achieve the operator's ends. This applies to demarcation in that one only need demarcate enough to visually separate components,

.. systems, etc.

2.2 Hierarchical Demarcation If possible, use hierarchical demarcation. This reduces visual search on a CR, panel, system, and subsystem level. An example is presented below.

STEAM GENERATOR 2 3

2.0 Demarcation Line Size Hierarchical demarcation would be best with major lines larger than subsystem lines (see example on page I). Lines of I/O" width may be acceptable, but this must be verified.

2.5 Demarcation Line Color Lines should be easily discernible and provide adequate contrast between the panel color and components but not so compelling as to'become distracting. Black and white are not recommended for demarcation lines. Nonglare material should be used. Another consideration is color coding the demarcated areas. If a system is widely scattered on a panel or panels, using color-coded lines to visually relate thes'e can be very effective.

3.0

SUMMARY

LABEL GUIDELINES Summary labels further reduce operator workload by reducing memory requirements and visual search times. They can be used without demarcation lines but are most effective with them. If used without demarcation, there should be some visually apparent separation between component groups.

3.1 Location Summary labels should be located above the system/component group being labeled.

If used with demarcation, the. label should be placed on the line. If the label can't be placed above the components, strive for consistent placement in the CR.

3.2 Method for Applying

. Summary labels'can be the typical etched labels, or one can use press numerals.

These can be transferred to a laminate, then covered by another layer of laminate and glued to the panel. The maintenance characteristics are not known.

3.3 Size of Labels The size of the summary labels will depend on the size of .current (or proposed) component labels. There is a hierarchy of labeling, with each hierarchical step 2596 larger

2.3 Demarcation Shapes lf at all possible, the overall shape of a demarcated area should be even and regular.

Some approaches to line shape are presented below.

A. CCW B. . CCW C. CCW D.

CCW~

The best shape will depend on the complexity of the area being demarcated. B, C, and D are better than A when demarcated areas are adjacent, as they are more visually compe >ng. SERV WTR CC W VERSUS SERV WTR CCW

than the one below it. The hierarchy is:

o System/Work station Subsystem/Functional group o Component o Control position.

See the following example (not the best example). Viewing distance should be considered.

RX FEEDWATER PP1 PP2 PP3 FLO PRESS TEMP 3.0 Content The summary label terminology should be the same as that used on the annunciators, panels and procedures. The use of abbreviation and syntax should be consistent. If A

hierarchical labeling is enclosed within demarcation lines, repeating the major terms is I

not necessary (see below).

THIS RATHER THAN THIS RFP 1 RFP 1 FLO PRESS TEMP RFP1 RFP1 RFP1 FLO PRESS TEMP

4 0.0 MIMICS Mimics aid the operator by providing a graphic representation of a system and the interrelationships within the system. This reduces operator memory requirements, visual search times, and error rates. Mimics are especially effective on infrequently operated systems. They can also reduce training time.

0.1 Simplicity of Design Mimics also are candidates for the principle of minimum complexity of design. The tendency is to replicate the PAID on the board, but this creates a very cluttered visual field that may work against the goal of mimicking. Try to limit information to the minimum necessary for operator task performance.

0.2 Direction of Flow Try to maintain a consistent direction of primary flow (e.g., left to right, top to bottom, etc.). Also try to avoid any mirror imaging, if possible.

~ ~

0.3 Direction-of-Flow Arrows Use direction-of-flow arrows, preferably embedded in lines (see below). Arrows.

should be placed, at a minimum, at each exit and entry point (at label or component), at

'-each potential decision point, and in the middle of a long line.

For valves where dual direction of flow is possible, consider a section of the line that can rotate. This can be done with:

o A loose rivet o Magnetically o A small screw that is backed off to allow the section to swivel (this could be best, as it requires enough effort to preclude change unless necessary).

C

~

0.0

~ Line Crossings Try to minimize line crossings. ~ When a line must cross, leave an easily discernible, unambiguous break.

0.5 Parallel Lines Keep an easily discernible, unambiguous separation between parallel lines.

0.6 Line Size Use line size to distinguish between primary and secondary lines, the the primary being the larger of the two.

0.7 Symbology When symbols are used in the mimics, they should be consistent throughout the CR, including the CRT displays. It is preferable.to use the same symbols used on the PRIDs, or symbols that have the same meaning to all operators.

0.8 Color Coding

'Color coding should be consistent throughout the control room, including the CRT displays. Different saturations can be used to indicate different types of liquid or whatever (e.g., RCS=one saturation, SW=another, etc.). A different saturation can also be used to indicate test lines from primary lin'es. A much lighter, less compelling saturation would be used with test lines. This lessens the test lines'isual competition with the primary lines. Some recommended colors are as follows, but these selection criteria are not rigid. Whatever colors are chosen, the operators should have some input.

o Blue is good for water.

o Red is good for steam (though can be in violation of NUREG-0700).

f 0.9 Start and End Points All start and end points should be at a labeled component or a legend plate. Legend plates should be labeled consistently and in a manner that aids the operator in locating

'ach point.

APPENDIX B REV. 1 DEMARCATION AND HIERARCHICALLABELING FPRL ST. LUCIE UNIT 2

1.0 INTRODUCTION

A demarcation and hierarchical labeling scheme has been developed specifically for the Unit 2 main control boards. Particular design methods and criteria have been selected and presented here based on the current control board design, although existing design constraints may have prohibited the optimal demarcation of the control boards.

NUREG-0700 guidelines were used to develop the demarcation and labeling scheme, as was input from FPRL operations personnel concerning the demarcation design and label content.

2.0 DEMARCATION A. ~pur ose The purpose of demarcation is to reduce operator workload by reducing the amount of information that must be processed to locate a specific component..Demarcation allows the operator to search by

~

discarding groups of components rather than by looking at each individual component. This reduces response time and probability of error.

Demarcation of Functional Grou s Large functional groups are demarcated with major lines, and smaller functional groups within the larger groups are demarcated with minor lines. In isolated cases where small groups of controls/displays are located within unassociated larger groups, major lines are used to boldly separate them out.

C. Demarcation Line Size It is suggested that major lines be wider than minor lines. The recommended width for major lines is I/O" and 1/3" for

. minor lines.

D. Demarcation Sha es Angled corners are used for major lines, whereas square corners are used for minor lines. This allows further visual separation of Jarge and small functional groups.

Demarcation Line Color Lines should be easily discernible but not so compelling as to become distracting. Therefore, a deep saturation. of the.

panel surface color works well, and the material used should have a matte finish. For St. Lucie with its light green panels, a dark green is recommended.

3.0 HIERARCHICALLABELING A. ~Pur ose Hierarchical labeling helps to reduce operator workload by reducing memory requirements and visual search time as well as redundancy.

B. Label Sizes Three label sizes are used for hierarchical labeling: large and small summary labels, and component labels. Large summary labels are used for large functional groups demarcated by major lines, erhile small sum'mary labels are used for small functional groups demarcated by minor lines. An example of the large and small summary labels and component labels as well as the major and minor demarcation lines are shown below.

PRESSURIZER QUENCH TANK IISIS ttseeaa tree ISS 1111 ISS 111 I IIL1111 C. Label Information The summary labels should adequately describe all Component labels should not repeat information contained in higher level labels except when the function of a component may be unclear or when the instrument/breaker number would be the only component identification. Words used on summary labels are usually spelled in their entirety except where space prohibits. The FPRL Abbreviations and Acronyms Dictionary is used when words are not spelled out.

D. Label Placement When a line is used to enclose a functional group, the summary label is centered at the top of the group, either in a break in the line or just below the line. Space constraints sometimes dictate 2

that small, summary labels be placed elsewhere within the functional group they describe; also, in a few cases where there is insufficient space, small summary labels are not used and the group has only component labels.

Letter Graduations Labels should be graduated in letter size so that the large summary labels are at least 2596 larger than small summary labels, and small summary labels are least 25% larger than component labels.

F. h h

• I 1 i g background for maximum contrast. The labels used by FPRL are reverse engraved. The font used is Futura Condensed.

0.0 GENERAL LABEL SPACING AND CHARACTER REQUIREMENTS A. ig the same hierarchical level.

B. Letter Width Letter width-to-height ratio should be between 1:1 and 3:5. Numerals'idth-to-height ratio should be 3:5 except for the numeral "0," which should be one stroke width wider, and the numeral "1," which should be one stroke in width.

C. Letter Stroke Width The ratio of stroke width to character height should be between I:6 and I:S.

D. Character S ace The minimum space between characters should be one stroke width. The minimum space between words should be one character width. The minimum space between lines should be one-half the character height.

"5.0 SPECIFIC LABEL CRITERIA A. Com onent Labels The minimum character height for component labels is derived by calculating the maximum viewing distance and the visual angle (which should be a minimum of 15 minutes of arc). The maximum viewing distance at PSL-2 based on control room anthropo-metrics was 03" for the 95th percentile male (the distance from his eye height to the corner of the. vertical and benchboard panel). With a maximum viewing distance of 03" and ensuring a minimal visual angle of 15 minutes of arc, the minimum character height is .19".

The minimum character height is ised on component labels to accom-modate cramped areas on the control boards. Recommended dimensions for component labels include the following:

1. Label width for most component labels is 2.5".

2. Label height is .75" with two lines of text allowed and a smaller line for the instrument/breaker and valve numbers.

3. The side borders are approximately .13".

0. Bottom and top borders are .06". If only one line of text is used, allow a top border of .19" and a space of .22" between the one line of text and the instrument/breaker and valve numbers.

5. The height of the instrument/breaker and valve numbers is .09".

6. The space between the two lines of text is .09".

7. The space between the second line of 'ext and ~ the instrument/breaker and valve numbers is .06".

3. The minimum space between words is .13".

9. The minimum space between characters is one stroke width.

10. The character stroke width for the two lines of text is .03". The stroke width for the instrument/breaker and valve numbers is

.02".

11. The character width for the two lines of text is .13". The width of the instrument/breaker and valve numbers is .06" except for the number "0," which is one stroke width wider.

12. Each line of text allows for approximately 15 characters.

iON EXCHANGER BYPASS VALVE DC NB F12 V-2520 Component Label B. Small Summar Labels Normally one line of text should be used on summary labels. Recommended dimensions for small summary labels include the following:

1. Letter height is .25".

2. Label height is .5".

3. AII borders and the space between lines are .13".

0. The minimum space between words is .19.

5. The minimum space between characters is .03".

6. Letter width is .19".

7. Numeral width is .19" except for the number "0," which is one stroke width wider.

t

3. The stroke width is .03".

C. Lar e Summar Labels Recommended dimensions for large summary labels include the following:

1. Letter height is .5".

2. Label height is 1".

3. All borders and the space between lines are .25".

The minimum space between words is .3".

5. The minimum space between characters is .06".

6. Letter width is .3".

7. Numeral width is .3" except for the number "0," which is one stroke width wider.

S. The stroke width is .06".

6.0 CONCLUSION

Panel drawings of 201-206, HVAC, Line Repeat, and Plant Auxiliaries have been demarcated and presented to FPRL for review along with component relabels. Specific methods and criteria used to demarcate and relabel the components for PSL-2 have been outlined in this report and should be adhered to where feasible. Any changes or additions made to the control boards may require modifications to the demarcation and hierarchical labeling.

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APPENDIX C

FPRL Annunciators St. Lucie Unit 2 NEW WINDOW MESSAGES LACKING PRIORITIZATION The following window messages are new. No prioritization exists at presefit. Please determine the priority for 'each using the following scheme:

RED- Safety related alarms, could affect health and safety of the public.

YELLOW Condition which could cause a plant trip.

WHITE Non-safety related alarms.

BLUE Permissives, Out of Service, Status alarms.

A-10 F-20 Q-11 LB-12 A-20 F-06 Q-01 LB-13 A-2S Q-02 LB-10 A-30 G-12 LB-15 A-35 G-13 R-18 A-05 G-10 R-19 A-06 G-20 R-20 A-08 G-25 A-56 G-33 . S-39 A-57 G-30 G-35 X-1 B-9 X-7 B-10 H-12 X-13 B-20 H-20, X-19 B-28 H-30 X-22 B-33 H-35 X-23 B-30 H-36 B-35 H-38 LA-5 B-05 H-39 LA-6 B-06 H-00 LA-8 B-07 H-02 LA-12 B-50 H-03 LA-13 B-56 H-06 LA-10 B-57 H-07 LA-15 H-08 E-9 LB-2 E-17 L-7 LB-3 E-25 L-8 LB-5 E-33 L-23 LB-6 ~

E-01 LB-8 LB-11

FPRL Annunciators St. Lucie Unit 2 Attachment 1 RELABELING APPROACH Enclosed in this package are the relabeled alarm tiles (see Attachment 7). Please review each message and suggest any appropriate changes. The engraving list is not a final product but a starting point. The present list will act as a vehicle for producing a product satisfactory to both FPRL and Essex.

A form was designed to efficiently present all window information. The first column on the form lists the alarm window identification number. Column 2 presents the message presently on'he FPRL controlled drawings. The last column contains the Essex suggested relabeling.

As you will notice, the third column is presented as a grid. The grid represents. the character and line spacing. This approach was used in order than an engraver could extract exactly how information is to be presented. Horizontally, there are fourteen character spaces. In most cases, the first and last space will serve as margins.

Occasionally, characters will appear in these spaces. Sometimes a character in a line does not occupy a full character space (I, 1, -, /, etc.) and thus, more than 12 letters will fit. In other cases, the message "may need to be reduced in order to fit all the pertanent information on a window.

Nine spaces exist vertically. Spaces were provided for a top margin, 0 lines of text, a space between each line of text, and a bottom margin. With the present scheme each line represents a certain type of information. The integrity of each line should be maintained where possible. Changing the information presented on a line will change the

.message 'format.

With this attachment are representatives of the format schemes. Examples for each type of message. are presented. The first two methods listed are the preferred format schemes. The other schemes were adopted to meet all types of St. Lucie Unit 2 messages.

Adhering to these schemes will ensure that alarm information is presented consistently to the operator.

A reiteration of the alarm window specifications is presented below:

Total Window Height 1 3/0 inches Total Window Width 2 3/0 inches Average Character Height .25 or I/O inch Average Character Width .15 or 5/32 inch Wide Character (iA, W) Width .20 or 13/60 inch Stroke Width .002 or 3/60 inch Character Separation .002 or 3/60 inch Word Separation .15 or 5/32 inch Line Separation .125 or I/8 inch

I ENGRAVING LEST FORYi FPRL ANNUNCIATORFORMAT SCHEMES SYS/COMP CNTMT SYS/COMP RAD SMPL LNS PARAMETER TEMP CONDITION LO SYS/COMP VCT PARAIVIETER LVL CONDITION HI/LO SYS/COMP P R SNL/EMERY SYS/COMP AIR LCK DOOR COND ITI ON OPEN SYS/COMP CIS ACT CHNL SYS/COMP AND OR B

SYS/COMP PRZR.HTR SYS/COIVIP XFIVIR 2B3 FOR PTMTR CONDTN CLOSE FAIL/

PTMTR CONDTN CS ISOL SYS/VLV LTDN CONT VLV ¹ ISOL V-2525 PARAMETER D/P CONDITION Hl SYS/COMP RWT MV-7-18 .

PRMTR CONDTN/ MTR OVRLD/

PRMTR GONDTN/ CLOSE/

PRMTR CONDTN FAIL TO C LOS E SYS/COMP CCW SURGE TK PTMTR CONDTN LVL HI SYS/COMP COMPT B PTIVITR CONDTN LVL .LO

APPENDIX D 0

~

REV. 1 6/25/82 CODING CONVENTIONS FPM. ST. LUCIE UNIT 2

1.0 INTRODUCTION

This report reviews the coding conventions of the Unit 2 main control boards including findings reported in the Safety Evaluation Report. Recommendations are provided for coding indicator lights, pushbuttons, mimics, power trains, meter scales, and automatic actuation signals. Specifications on the coding of controls are included along with examples of shape coding of control handles. Guidelines from NUREG-0700 are cited as well as other sources of human factors engineering.

2.0 COLOR CONVENTIONS AND VIOLATIONS 2.1 Indicator Lights I Where the meaning of an indicator light is not apparent, labeling must be provided close to the light indicator showing the message intended by its glowing. (NUREG-0700, 6.5.3.2a(l))

~ The color of the light indicator when transilluminated should conform to the general code established for the control room. (HUREG-0700, 6.5.3.2a(2))

~ Recommended colors and their associated meanings for indicator lights are as follows:

Blue Status advisory White Power available AC/DC (a label should be provided to indicate whether AC or DC)

Green No flow/off Red Flow/on Clear .Synchroscope Yellow Diesel loading Amber Permissive.

Discrepancies:

The TURBINE TRIP has a white indicator light that means turbine permissive. If this is a permissive indication, the light should be amber.

On the HVAC Panel, the CONTAINMENT FAN COOLERS 2HVS-JA> 1B, JC, and lD have one green and two red indicator lights. The red indicator light on the left means slow speed and the right indicator light means fast speed. Lights should be labeled accordingly.

DG 2A and 2B GOVERNOR on Panel 201 have amber lights that mean 60 'hertz desired speed. A blue indicator light should be used and labeled accordingly.

DG 2A and 2B VOLTAGE on Panel 201 have amber lights that mean 0160 Y desired voltage'. A blue indicator light should be used and labeled accordingly.

The VOLTAGE REGULATOR on Panel 201 has an amber light that means test or base adjuster. A blue indicator light should be used and labeled.

The MSIS and SIAS BLOCK CHANNELS on Panel 206 have amber lights to indicate when the controls are in the'lock position. A blue light should be used and labeled..

The OUTDOOR LIGHTS on the Plant Auxiliaries Panel have amber indicator lights. When the controls are in the AUTO position, the lights are illuminated to indicate there is power to the photocell. The indicator lights should be white and labeled PHOTOCELL.

The RCB OBSTRUCTION. LIGHTS control on the Plant Auxiliaries Panel has four amber lights that illuminate when the north, south, east, or west lights have failed. The indicator lights should be blue and individually labeled NORTH, SOUTH, EAST, or WEST. Also, a label should be provided indicating RCB OBSTRUCTION LIGHT FAILURE.

The RCB BEACON control on the Plant Auxiliaries Panel has an amber and a blue indicator light. The amber light illuminates when the beacons have failed. The light should be blue and labeled BEACON FAILURE. The blue light iliuminates when the control is in the AUTO position, indicating there is power to the photocell. A white indicator light labeled PHOTOCELL should be used and located above the AUTO position.

2.2 Mimics

~ Flow paths should be color coded. (NUREG-0700, 6.6.6.0a(l))

~ The mimic colors should be discriminably different from one another.

(NUREG-0700, 6.6.6.0a(2))

~ Mimic lines depicting flow of the same contents should be colored the same throughout the control room. (NUREG-0700, 6.6.6.0a(0))

~ Mimic colors used and their associated meanings are as follows:

Yellow 6.9 KV Blue .0.16 KV Brown 200 KV Red 22 KV.

2.3 Pushbuttons"

~ Distinctive enhancement techniques should be used for emergency controls. (NUREG-0700, 6.8.1.3d)

~ Annunciator response controls should be coded for easy recognition using techniques such as: color coding; color shading the group of annunciator controls; demarcating the group of annunciator controls; or shape coding, particularly the silence control. (NUREG-0700, 6.3.0.2b) o Recommended colors for pushbuttons are as follows:

Annunciator controls t

'ray Black Nonsafety Red Critical (trip).

Discrepancies:

On Panel 201, BATTERY 2A and 2B BUS PARALLEL push-buttons are red. They should be black pushbuttons.

Annun'ciator controls on the Plant Auxiliaries Panel and the Heating and Ventilating Panel are black. They should be gray.

On Panel 202, the OVERRIDE pushbuttons are gray. They should be black.

On Panel 201, the EH FLUID PRESS TEST pushbutton is gray.

It should be black.

On Panel 203, the RCP VIBRATION RESET pushbuttons are gray. They should be black.

2.0 Scale Coding

~ Recommended colors used for scale coding are as follows:

Green Normal range Yellow Caution Red Danger.

(See figure below for recommended scale coding.)

GREEN [g Normal Range YELLOW 11 Hl.Lo Alarms RED I HIHI.LoLo Alarms

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,G To Incflcate normal range and act polnta eoggeat color coding normal range with a green trana parent ta pe, Hl 4 Lo Aiarma

~utlon) with a yellow tranaparenl tape, and HIHI 4 LoLo Alarma (Ior dangenwa aftuatlona) with a red tranaparent tape.

I%commend applying the tape In a manner alfnllal'0 that dfapfayed on thla

~ heeL 2.5 Automatic Actuation Signals

~ The purpose of coding the automatic actuation signals is so the operator can scan the panel to verify that the proper indicator lights are illuminated. Since using color alone may violate other color conventions in the control room, the coding design recommended by Essex incorporates both pattern and color.

7

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~ The coding is designed to encompass the indicator light. For each of the automatic actuations (MSIS, SlS, CSAS, RAS), a different pattern and color combination is used. When two automatic actuation signals are used for one indicator light (e.g.y MSISy S1S)p the coding design is divided into two patterns. Examples of the automatic actuation coding are shown below.

ORANGE BACKGROUND WHITE BACKGROUND BLUE LINES BROWN LINES BLUE BACKGROUND YELLOW BACKGROUND WHITE LINES BLACK LINES

. YELLOW BACKGROUND WHITE BACKG ROUND BLACK I INES BROWN LINES 2.6 Power Trains

~ Power trains can be indicated by a small colored dot on the component label. The dot will be centered at the bottom of the label between the breaker number and the valve number.

e Power trains can be indicated by coloring in the breaker number with the appropriate power train color.

~ Colors used to indicate power trains are as follows:

Orange SA Purple SB Pink SAB.

3.0 CONTROL CODING SPECIFICATIONS 3.'I Methods and Requirements Coding mode (e.g., size and color) for a particular application shall be determined by the relative advantages and disadvantages for each type of coding. Where coding is used for the purpose of differentiating among controls, application of the code shall be uniform throughout the system. (See table below for advantages and disad-vantages.) (NUREG-0700, Exhibit 6.0-3) r TYPE OF COD)HO hlODE OF f DYAHTAQES LOCATION SHAPE SIZE OPERATIOH LAb ELIHQ COLOR Improves vtsual Identlflcatlon.

Improves .nonvisual Identlf Ication I tactual and kinesthetic).

~ Ips standardltatlon.

Ald Identification under low level ~ fernen tre~

of Illumlnatlon and colored Ilghtln aarsasna red)

May aid In Identlfylnp control pot)sion I senlngs).

Requires llttl~ Ilf any) tralnlng; ls not subject to forgetting.

DISADYAHTAQES May require extra space.

Affects manipulation of the control (ease 01 Use),

Limited In number of avellebl ~

codlnp categories, May'be less effective If operator wears gloves Control ~ must be viewed II,~ .,must be within vlwal areas and with adequate Illumination present).

3.2 Location Coding Controls associated with similar functions should be in the same relative location from panel to panel. (NUREG-0700, p. 6.4-7) 3.3 Size Coding No more than three different sizes of controls shall be used in coding ~

controls for discrimination by, absolute size. Controls used for performing the same function on different items or equipment shall be the same size. (NUREG-0700, p; 6.4-7) 3A Shape Coding Functional Association Shape coding should be used to differ-entiate between controls that are used for widely different functions (particularly if they are located on the same panel) and, conversely, to relate controls that apply to the same or similar functions (particularly if they are on different panels). (AFSC DH 1-3)

Functional Resemblance Shapes should be associated with or resemble the control function. (MIL-STD-1072C)

Identification The shape coding of controls should be used pri-marily for identifying control knobs or handles by feel; however, shapes should be identifiable visually as well as tactually. (NVREG-0700) 0 Comfort The shape of the control should preclude operator dis-comfort. There should be no sharp edges, and adequate surface area should be provided for grasping and manipulating. (AFSC DH 1-'3)

Distinguishability Shapes should be easily distinguished from one another. (AFSC DH 1-3) 0 Handle Position Shapes should be identifiable by the hand regard-less of the position of the control knob or handle. (MIL-STD-1072C)

Handle Orientation Two control handles of the same shape but in different orientation should signify the, same meaning, not two different meanings.

Protective Gloves Shapes should be tactually identifiable when gloves are worn. (NUREG-0700) 4 Pointer-Shaped Knobs Shape coding should not interfere with the use of pointer-shaped knobs when they are necessary.

Replacement Shape-coded knobs and handles should be positively and nonreversibly attached to their shafts to preclude incorrect attachment when replacement is required. (NUREG-0700)

Tactual Discrimination The speed for tactually discriminating shapes is slower than visual identification. Therefore, when visual identification may be precluded in a given application, the number of shape categories should be kept to a minimum and controls should be provided from different families of shape (e.g., round shapes, shapes with corners, etc.). (AFSC DH 1-3)

~ Manipulability The coded features should not interfere with ease of control manipulation. (MIL-STD-1072C)

~ Usage The specific manner in which a given control is used should be considered before deciding which shape to use for that control.

(AFSC DH 1-3)

~ Standardization Application of the shape code should be standard-ized throughout the system to facilitate learning, retention, and transfer of control identification. (AFSC DH 1-3)

~ Recommended shape coding for control handles is as follows:

Star Handle Selector switches including voltmeters andr ammeters.

Detent Thumbswitch Valve controls and other controls with discrete positions excluding selector switches, breakers, and pumps.

3-Handle. Pumps.

T-Handle Breakers.

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0.0 RECOMMENDATIONS It is recommended that established coding conventions be applied consistently throughout the control room. Out-of-convention items should be corrected to agree with the established conventions where feasible. Any additional instrumentation installed in the control room should conform with established conventions, as violations are often a source of operator confusion and potential error.

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