Text

Rev 20 to Procedure T7-28, Emergency Diesel Generator Auto Test Start
	ML20058N640
Person / Time
Site:	Big Rock Point File:Consumers Energy icon.png
Issue date:	07/15/1993
From:	Madison H; CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	;
Shared Package
ML20058N620	List: ML20058N617; ML20058N622; ML20058N633; ML20058N636; ML20058N640; ML20058N642;
References
	T7-28, NUDOCS 9310200086
	Download: ML20058N640 (80)
	v • d • e

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BIG ROCK POINT NUCLEAR POWER PLANT PROCEDURE APPROVAL AND AUTHORIZATION i

Rev No.

20 Procedure No.

T7-28 Proceaure Title EMERGENCY DIESEL GENERATOR AUTO TEST START I

h CURRENT REVISION STATUS Author HNHadison Date 06/17/93 Quality Review Form No.

502-93 APPLICABILITY ISSUE HISTORY I

Revision No.

19 Date 06/01/93 Quality Review Form No.

581-93 Approved for use Date 7-/f'D Procedure Sponsor / Designate Authorized Period of Use June 18. 1993 throuah June 18.1995

-l J

l B

[

1 When applicable:

PROCEDURE IMPLEMENTATION HISTORY

[

Reviewed for System or Component Operability.

i Performed by Completed / Reviewed by Method of Verification l

Title Title O Functional Test l

0 Physical Inspection i

Date Time Date Time O Administrative l

Review MAINTENANCE ORDER NO. (if applicable) i i

T7-28\\nrk

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9310200006 931011 P

(Gk$

DR ADOCK 05000155 g

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Revision 20 e1 20 E ENCY DIESEL GENERATOR AUTO TEST START 1

1 1.0 PURPOSE Demonstrate the availability of the Emergency a.

Diesel Generator, by functional testing of the following:

1.

2B Bus Undervoltage Relays 27-1, 27-2.

2.

Relay 27X to start the Emergency Diesel l

Generator.

3.

Overvoltage Relay 59 to show sufficient Emergency Diesel Generator output voltage i

exists.

4.

Relays 27X, 59X, and b contacts on the IA-2B and 2A-2B Breakers permit Emergency Diesel Generator ACB auto closure.

2.0 PRECAUTIONS AND LIMITATIONS During the test, 480V Bus 2B will be deenergized a.

for two short periods which will result in loss of L

-l power to the following equipment:

1.

Personnel and Equipment Locks 2.

Electric Fire Pump 3.

Number 2 Gland Seal Exhauster 4.

I&C Transformer 2B 5.

Backup Core Spray Valves M0-7070 and MO-7071 6.

Backup Enclosure Spray Valve MO-7068 7.

Alternate Fire Water to Core Spray Heat Exchanger MO-7080.

8.

Emergency Lighting Transformer LT-3 and Fence-Security Phones 9.

Yarway Reference Leg Heat Tracing 10.

Distribution Panels 4Y and SY T7-28\\nrk

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( 1 Revision 20-T7-28' Page 2-of 20 EMERGENCY DIESEL GENERATOR

'Init Date-(

AUTO TEST START l

b.

The following alarms will annunciate:

1.

" Reactor Building Ventilating System Trouble" i

(ALP-1.4, Number 37) 9 2.

" Containment Gama Monitor Trouble". (ALP-1.3, l

Number 36) l t

3.

"High Containment Gamma Radiation" (ALP-1.3, l

Number 35) 4.

"High High Containment Gamma Radiation" (ALP-1.3, Number 34) e 5.

" Engineered Safety _ Feature By-pass

.]

Indication" (ALP-1.3, Number 12) i The acceptance criteria is based on operation c.

without F or Modified F fuel in the reactor.

j Reference 4.1.c.

1 d.

There is no provision to synchronize the diesel generator with station power. Therefore, the Auto Transfer to Emergency Generator Selector Switch 43/cs must be-placed to 0FF _ and the Diesel

.'~,

Generator ACB'52-2B27 must be open prior to closing either the IA-2B (52-1A36) or 2A-2B-(52-2A66). Bus l

Tie Breakers.

If the Emergency Generator Breaker 28-27, closes -

e.

automatically, it must be opened electrically from the Control Room to set.up the circuit for subsequent automatic operation.

~!

f.

The diesel may not be declared operable unless it 1

starts within 31.2 seconds.

l Diesel Fire Pump Auto Start feature must not be j

g.

defeated during this test while _ plant is in Power l

Operation or Refueling Operation.

U h.

.The emergency diesel fuel oil priming pump is only 1

used following maintenance or if air has entered 1

fuel line.

If priming is necessary,' follow the:

Maintenance Manual Instructions, and after priming,

i tighten handle hand tight and re-seal.

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T7-28 Page 3 of 20 EMERGENCY DIESEL GENERATOR Init Date l

AUTO TEST START i

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1.

If MO-7070 and H0-7071 are not tagged out and J

reactor pressure is less than 200 psig, then their RMC's must be in the PULL-TO-STOP position prior to energizing Bus 2B because fire water injection into the reactor vessel will occur.

j.

If a failure to start or generate occurs during tna performance of this procedure, and an emergency does not exist, notify maintenance to investigate the failure prior to attempting a seco id start.

k.

Minimum run time loaded or unloaded is 30 minutes.

1.

The EDG must be generating for the EDG Room Ventilation System to function because it is powered directly off the generator output.

Emergency Diese1' Generator performance and m.

efficiency can be greatly affected as a result of raw lake water induced corrosion and/or bio-fouling. Symptoms can include loss of cooling, high engine temperatures or other performance related problems. The Chemistry Department should be notified immediately of any evidence of these conditions during the performance of this test.

These concerns should be investigated as soon as possible.

3.0 PREREQUISITES Shift Supervisor's permission to conduct:

a.

Regular Surveillance Test (X)

Maintenance Check (X)

Post Maintenance Operability (X)

(SS)

NOII: The generator shall be loaded on the first regular surveillance test each month.

1 T7-28\\nrk

i Revision 20 T7-28 EMERGENCY DIESEL CENEPATOR Page 4 of 20 Init-Date AUTO TEST START l

b.

Test loaded all sections.

(X)

Test Unioaded Sections 5.1 and 5.3 (X)

(SS)

Ensure Diesel Fire Pump available via switching c.

orders, status boards, log books, etc.

I (SS) d.

The Chemistry Department has determined there is indication of macroscopic biofouling for those components exposed to raw lake water.

Yes No (SS) 1.

If yes, increased monitoring should be performed to ensure the performance of the equipment has not been affected. Attention should be given to monitor processes that use

'1 s

raw lake water (ie, cooling water flows, equipment temperatures, etc.).

N/A (OPS) e.

Plant Auxiliary Power normal.

Number 11 bank powering Bus lA.

(X)

Number 22 bank powering Bus 2A.

(X)

Standby Diesel Generator Breaker 52-2B51 open.

(X) i 2A-28 Bus Tie Breaker 52-2A66 closed.

j (X)

)

(0P) i f.

Verify Auto Transfer to Emergency Generator Selector Switch 43/cs to ON.

5 (0P)

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~I Revision 20 T7-28 EMERGENCY DIESEL GENERATOR Page 5 of 20 Init Date AUTO TEST START 4

Number 2 Gland Seal Exhauster not in service.

g.

(0P) h.

Check 46 kV Line Voltage available.

(0P) 1.

If M0-7070 and M0-7071 are not tagged out and reactor pressure is less than 200 psig, then pull RMC's to PULL-TO-STOP.

RMC-5527 for M0-7070 in PULL-TO-STOP (X)

RMC-5528 for M0-7071 in PULL-TO-STOP (X)

Valves tagged or Reactor > 200 psig, N/A (X)

(0P)

J.

Calibrated Stop Watch Accuracy: 0.1% per hour Serial Number Calibration Due Date (0P) k.

Calibrated Pyrometer t

Pyrometer (x)

Accuracy: 1% of scale Serial Number Calibration Due Date (0P) 1.

Check diesel engine coolant reservoir normal (Near bottom of fill tube).

(0P)

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Revision 20 T7-28 EMERGENCY DIESEL GENERATOR Page 6 of 20 Init Date AUTO TEST START f

NOTE: Ethylene glycol is the accepted antifreeze (Prestone II brand, or other listed in Volume 17, Q-List).

If coolant is added, use 50-50 mixture of well water and m.

antifreeze and indicate the quantity.

N/A (0P)

Check fuel oil priming pump knurled handle at n.

the in position and sealed.

(0P)

Check fuel rack linkage (governor control) in o.

reset position.

(0P) p.

Unlock Emergency Diesel Generator Transfer Switch Cabinet and verify the switch in NORMAL.

(0P)

4.0 REFERENCES

AND ATTACHMENTS

4.1 REFERENCES

Volume 2, Technical Specifications 11.3.5.3, a.

Emergency Power Sources, limiting Condition for Operation.

b.

Volume 2, Technical Specifications 11.4.5.3, Emergency Power Sources, Surveillance Requirement.

Volume 2 Technical Specifications Amendment c.

Number 44 and Associated Review, QA-05 Number 1016-81, DPB 8108.

d.

Volume 3, 50P-28, Station Power.

i 4

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Revision 20 T7-28 EMERGENCY DIESEL GENERATOR Page 7 of 20 Init Date AUTO TEST START CPCo response to Generic Letter 84-15, dated e.

October 1, 1984.

Proposed staff action to improve and maintain diesel generator reliability.

f.

Regulatory Guide 1.108, Revision 1, Periodic Testing of Diesel Generator Units used as on-site electric power systems.

Print 0740F100, Big Rock Point Plant Station g.

Power System.

h.

Print 0740G30103, E-103, Schematic Diagram Motor Operated Valves.

1.

Print 0740G30105, E-105, Schematic Diagram Station Power and 480 Volt Transformers.

J.

Engineering Analysis EA-EDSFI-C0C-8-01, EDG Cooling Pump Flow Calculation, dated 9/16/92.

k.

Engineering Analysis EA-EDSFI-C0C-8-02, Rev 1, EDG Cooling Water Pump Net Positive Suction Head Requirements, dated 10/8/92.

l 4.2 ATTACHMENTS

a., Independent Component Position Verification,

b., Temperature Reading Location 5.0 EROCEDURE i

5.1 AUTO START a.

Communications established between Diesel Generator, Station Power, and Control Room.

l (0P) b.

Check open IA-2B Bus Tie Breaker (52-1A-36).

(0P).

H011: Emergency Diesel Generator Starting time is measured from open indication on-2A-2B until the Emergency Generator ACB (52-2827) indicates closed.

T7-28\\nrk

Revision 20 T7-28 EMERGENCY DIESEL GENERATOR Page 8 of 20 Init Date AUTO TEST START Open 2A-28 Bus Tie Breaker (52-2A-66) and time c.

the diesel start with the stop watch.

Time Date Starting Time seconds Acceptance Criteria:

s 31.2 seconds Acceptance Criteria met? Yes No (0P)

NOTE:

If an emergency does not exist, and the Emergency Diesel Generator failed to start or generate, Maintenance should investigate prior to attempting a restart.

d.

If the Emergency Diesel Generator failed to start or generate, notify the Shift Supervisor and go directly to Section 5.3.

(0P)

If the Emergency Diesel Generator failed to e.

meet the starting time, notify the Shift Supervisor, allow the diesel to run for 5 minutes, then go to Section 5.3.

N/A (0P) o T7-28\\nrk

Revision 20 T7-28 EMERGENCY DIESEL GENERATOR Page 9 of 20 Init Date-AUTO TEST START f.

Return or check the following RMCs to the neutral (not PULL-TO-STOP) position:

PJ4C-5527 for M0-7070 (X)

RMC-5528 for M0-7071 (X)

Step N/A, valves tagged or reactor > 200 psig.

(X)

(0P)

Record the Generator Output Voltage from the 9

Emergency Diesel Generator C-18 metering panel.

Adjust to 485V ac using the field rheostat if necessary.

As found V ac As left V ac (0P)

)

N0Tl:

If values (*) do not f all within normal 0

band, investigate and/or submit a maintenance order. These values are not acceptance criteria.

h.

Record the following:

Output Frequency Hz (58-62)

Exciter Voltage V dc *(4.8 to 6.5)

Fuel Oil Pressure psig (PI-394) *(27 to 31)

Dipstick Oil level (between ADD and FULL)

Water Pump Suction "Hg Vac.(PI-834)

(12 to 13.5)

Water Pump Head psig (PI-835) *(7 to 15) l' Water Pump Discharge psig (PI-836) *(8 to 14) l (0P)

T7-28\\nrk

Revision 20-77-28 EMERGENCY DIESEL GENERATOR Page 10 of.20 Init-Date AUTO TEST START 1.

Acceptance Criteria:

Water Pump Discharge (PI-836) 2 6.25 psig and

-r Water Pump Suction (PI-834) s 14".Hg Vac-

'{

Acceptance Criteria Met? Yes No-(0P) j.

If acceptance criteria was not met, notify Shift r

i Supervisor that the EDG is not operable.

N/A (0P) j CAUTI0ti:

If cooling water discharge pressure is less than 8 psig

-or suction pressure.is greater than or equal to 13.5 inches Hg VAC, it may i

be an--indication that the 1

suction strainer is beginning_

i to plug. Maintenance action

^

to clean the strainer must be given a HIGH_ priority to assure j

t the EDG will cperate properly.

1 J

k.

If PI-836 < 8 psig or if PI-834113.5" Hg Vac, i

notify the Shift Supervisor to initiate a Maintenance Order to clean the suction screen.

l l

N/A (0P) 1.

If test is unloaded, allow the ' diesel to run 30 minutes then go to Section 5.3.

i N/A' (0P) l q

i il

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i Revision 20 T7-28 EMERGENCY DIESEL GENERATOR Page 11 of 20

. AUTO TEST START Init~

Date 1

5.2 LOADING 1

i Open Electric Fire Pump Sensing Line Drain a.

Valve VFP-186, 1cng enough to start the 2

Electric Fire Pump then close VFP-186.

(0P) b.

Record Electric Fire Pump start time in Step 5.2.g.

(0P) c.

Record the Generator Output Voltage from the Emergency Diesel Generator C-18 metering panel and adjust as necessary to 475-485V ac using the field rheostat.

As found V ac As left V ac (0P) 801E:

If values (*) do not fall within normal j

~

band, investigate and/or submit a maintenance order. These values are not acceptance criteria.

a d.

Record the following:

Output Frequency Hz (58-62)

I Exciter Voltage V dc *(5 - 7)

Output Current Amps *(> 68) j (0P) j i

HQIf: The EDG Room Ventilation System will be 1'

tested in the next step even though no requirements, or acceptance criteria exists for this System to be operable.

e.

Test the EDG Room Ventilation System as follows:

1.

Check Terminal Box TB-326, Disconnect Switch to ON.

(X) j i

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Revision 20 T7-28 EMERGENCY DIESEL GENERATOR-Page 12 of 20 AUTO TEST START Init Date 2.

Place TB-326, Test Switch to ON.

(X) 3.

Check EDG Vent Fan F-32, in North wall running.

(X) j 4.

Check Motor Operated Louver M0-7075, in East wall opens.

(X) 5.

Return TB-326, Test Switch to 0FF.

(X)

(0P)

NOTE: EDG must run loaded for 2 30 minutes.

f.

Depress the Electric Fire Pump STOP pushbutton at the Electric Fire Pump Control Panel C-17.

(0P) g.

Record Electric Fire Pump run time.

Time Started Time Stopped ___

l Total Run Time minutes (0P) 5.3 RESTORATION 8011: Point #4 Engine Coolant should be s 170*F.

a.

Measure cooling water and engine coolant inlet and outlet temperatures using a Contact Pyrometer and record: See Attachment 2 for location.

COOLING WATER

. ENGINE COOLANT Inlet (1)

(*F)

(3)

(*F)

Outlet (2)

(*F)

(4)

(*F)

(0P) l T7-28\\nrk f

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-Revision'20

-T7-28

. Page 13 of 20

~ EMERGENCY DIESEL GENERATOR Init Date-1

. AUTO TEST START b.

Request Control Operator to place Auto Transfer to Emergency Generator Selector Switch 43/cs,.

to 0FF.

(0P) a If M0-7070 and M0-7071 are not tagged out and c.

reactor pressure is less than 200 psig,. then pull the following RMC's to PULL-TO-STOP.

RMC-5527 for M0-7070 in PULL-TO-STOP q

(X)

RMC-5528 for MO-7071 in PULL-TO-STOP (X)

Valves tagged or Reactor > 200 psig, N/A (X) l (0P) d.

Request the Control Operator to open or verify open the Emergency Generator ACB (52-28-27).'

{0P) l CAUTION: There is no provision to-synchronize

1 the diesel' generator with station power.,Therefore, the Auto Transfer to Emergency Generator Selector Switch 43/cs must be OFF and the Emergency Generator ACB-(52-28-27) opened prior to

's closing either the IA-2B or' 2A-2B l

Bus Tie Breakers.

- - - - ~

j q

HOII:

Cycling of 1A-2B Breaker (52-1A-36)'is performed to assure correct operation of-j this breaker.

j e.

Close IA-28 Bus Tie Breaker (52-IA-36).

(OP)

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.T7-28 Revision 20 i

' EMERGENCY DIESEL GENERATOR Page 14 of 20 AUTO TEST START Init Date' i

f.

Request Control Room to verify 1A-2B red Closed lamp is illuminated.

~

(0P) g.

Open IA-2B Bus Tie Breaker _(52-1A-36).

-(0P) j h.

Request Control Room to verify 1A-28 green Open lamp is illuminated and the red Closed lamp is extinguished.

(0P) o

i. Close 2A-2B Bus Tie Breaker (52-2A-66).

(0P)

j. Request the Control Operator to verify 2A-2B red closed light is illuminated.

-l t

(0P) k.

Return or check the following RMCs to the neutral (not PULL-TO-STOP) position:

RMC-5527 for M0-7070

)

RMC-5528 for H0-7071 r

(X)-

q Valves tagged or reactor > 200 psig, N/A

-(X)

- (0P).:

N_01E:

If the governor control lever is released 0

before.the diesel stops rolling, the engine speed will return.to ~ 1800 rpm.

l 1.

Over a one minute period, use the' Governor Control Lever 4L7548 to reduce engine' speed until lube oil pressure is ~.30 psig, then.

rapidly move the governor control lever to stop and hold until the diesel stops rolling.

i (0P) 7 T7-28\\nrk s-

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I Revision 20 I

[ ENCY DIESEL GENERATOR Page 15 of 20

)

Init_

Date i

AUTO TEST START Verify " Low Lube Oil Pressure" alarm received.

m.

Yes No (0P) n.

Record time engine is stopped (0P)

NOTE: The next step will reset auto start circuitry and " Low Lube Oil Pressure" alarm.

Rotate the Emergency Diesel Generator Engine o.

Control Selector to 0FF momentarily and back to AUTO.

(0P) i p.

Reset overvoltage relay target on Bus 2B overvoltage relay unit, (52-2B12 Cubicle).

(0P) q.

Complete the following on the diesel:

1.

Check the Governor Control Lever 4L7548 for t

free movement, (X) i 2.

Check the Governor Control Lever 4L7548 and spring for corrosion.

(X) 3.

Reset the fuel rack linkage (governor control).

(X) 4.

List any discrepancies in 5.3.w.

(X)

(0P) r.

Place Auto Transfer to Emergency Generator Selector Switch 43/cs to ON.

(0P) l T7-28\\nrk

Revision 20 T7-28 EMERGENCY DIESEL GENERATOR Page 16 of 20 AUTO TEST START Init Date s.

Reset'RDS Auto Test Clock.

Applicable Not-Applicable (0P) t.

If the fire pump was run, check the Containment ~

Spray Relief Valves RV-5077 and RV-5078 for leakage and record below.

N/A No leaks omit 5.3.u, go to Step 5.3.v Leaks go to Step 5.3.u (0P) u.

Valve out the leaking relief valve as follows:

N/A I

CLOSE AND LEAKING OPEN AND VALVE SEAL X

CAUTION TAG X

RV-5077 VPI-143 VPI-142 RV-5078 VPI-144 VPI-145 (0P) v.

Independent Operator performed Attachment 1, Independent Component Position Verification.

(0P)

T7-28\\nrk

i Revisien 20 T7-28 EMERGENCY DIESEL GENERATOR Page 17 of 20 Init Date AUTO TEST START w.

List any abnormalities.

If the engine failed to meet any acceptance criteria, note things which may help determine the cause, ie.

- misfiring, starter problems, fuel leaks, temperature or heater problems, electrical circuitry, controls, etc.

N/A (0P)

Procedure Performed By:

(0P)

Date (0P)

Date 7

T7-28\\nrk

Revision 20 T7-28 Page 18 of 20 EMERGENCY DIESEL GENERATOR Init Date AUTO TEST START 6.0 REVIEWS Comments - Include any corrective actions initiated as a result of this procedure:

None I

Emergency Diesel Generator declared operable:

Yes No (Reference S.I.c and S.I.1)

(SS)

Reviewed By:

Date (CO)

Date (SS) t Date (OTA)

(PERF ENG CLERK)

Date l

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Revision 20 T7-28 Page 19 of 20 EMERGENCY DIESEL GENERATOR AUTO TEST START ATTACHMENT 1 INDEPENDENT COMPONENT POSITION VERIFICATION REQUIRED VERIFIED POSITION BY (0P)

COMPONENT DESCRIPTION _

Electric Fire Pump Sensing Line Drain Closed VFP-186 AUTO EDG Engine Control Selector Reset Fuel Rack linkage (Governor)

Closed 2A-28 Bus Tie Breaker, 52-2A66 Emergency Generator ACB (52-28-27)

Open ON Auto Transfer To Emergency Generator Selector 43/cs Not In PULL-TO-STOP RMC-5527 for M0-7070 Not In PULL-TO-STOP RMC-5528 for M0-7071 l

OFF EDG Rm Ventilation Test Button TB-326 1A-2B Bus Tie Breaker 52-1A-36 Open

Valves tagged or Reactor > 200 psig, N/A

- EDG not loaded, N/A i

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Revision 20 T7-28 Page 20 of 20 EMERGENCY DIESEL GENERATOR AUTO TEST START ATTACHMENT 2 TEMPERATURE READING LOCATION I

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EMERGENCY DIESEL GENERATOR. AT FRONT END ON THE EAST SIDE FACING WE l

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4 OPERATIONS MEMO #07-92 (REV. 2)

TO:

Shift Supervisors Operators CONSUMERS 1

POWER' l

FROM:

WJTrubilowicz COMPANY DATE:

December 18, 1992 Internal Correspondence'

SUBJECT:

BIG ROCK POINT PLANT-4 EMERGENCY DIESEL GENERATOR OPERABILITY CC:

Shift Supervisor Log Quality Review Form Control Room Log QA-05A [2]

Training Department Log DCC 740/22*07*02/L i

One of the concerns that has been raised as a result of the-EDSFI deals with the ability of the Emergency Diesel Generator (EDG) to draw cooling water out of the Discharge Bay under low lake level conditions.

The length of the suction line was measured on September 22, 1992 and it was calculated that it becomes uncovered at a lake level of ~577.1 feet above sea level.

l Until the issue can be resolved, we need to monitor the actual lake j

level and set an operability requirement for the EDG based on lake l

level.

This will be accomplished as follows:

ski ~fE each. day, take a reading on the lake level On the hi{16Esiihd in the Discharge Canal and record it on the instrumEHt Control Room Log Sheet.

l If the lake level drops below the 578 foot elevation, the EDG shall

[

be declared inoperable and the three day LCO as specified in Technical Specification 11.3.5.3.A.2 shall apply.

l Revision 2 to this Operations Memo was issued to allow' reading of l

the lake level during daylight hours.

This Operations Memo will remain in effect until the issue is-i resolved or this information is incorporated into the operating procedures.

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To JRTilton Y

From RCSarki /</

CONSUMERS POWER Date March 16, 1993 COMPANY Subject BIG ROCK POINT PLANT Internal SUCTION SCREEN MAINTENANCE UNRESOLVED Correspondence r

ITEM 155/92019-06C (DR'S)

CC DGTurner, EJBradley, RCS 93-01 DJGaiser, RJWhitley Lack of prioritization of suction screen maintenance is perceived by the NRC to be a maintenance weakness. While it is true that suction screen cleaning was postponed or delayed on different occasions in 1992, there were l

outlying factors that figured into the delay. One of these factors was trying to coordinate repair activities in a manner such that they could be performed under the same LCO.

It appeared the suction screw cleaning was only having mediocre success and therefore it was determined that new screens must be acquired. This was another factor that caused delays.

We will address these issues by taking the following stand. When the suction pressures fall out of their expected range we will no longer delay cleaning / replacing so as to perform in conjunction with other work (unless "other" work is available for scheduling and ready to go) and we will obtain spare suction screens and place in stock so we no longer have a delay in waiting for parts.

If, for some unknown reason a problem of a different sort is encountered which could cause a delay, we will do our best to rectify the situation immediately. We will also fully document so as there are no questions as to our commitment in performing this maintenance expeditiously.

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Information Index.of Plant-Drawing 0740A30008 Sheet 1 1.

General Notes Sheet 2 & 3 2.

Conduit Notes-Sheet 4 to 6 3.

. Conduit Sizing Calculations

' Sheet 7 4.

Tray Installation Notes Sheet 8 & 9 5.

Grounding Notes sheet 10 & 11 6.- Standard Electrical Symbols for Raceways Systems 7.

Standard Electrical Symbols.for Grounding Sheet 12 sheet 13 & 14 8.- Motor _ Connection details Sheet 15 9.

Control. Station Channel Support

10.. Conductivity Cell, ETC. connections Sheet 16 11.

Conductivity Cell Installation Sheet.17 5

sheet 18 to-24

- 12. Cable Tray Instructions Sheet 25 13.

Hanger and Shelf Assembly Sheet 26 14.

Hanger Assembly Sheet 27 15.

Tray and Conduit Brackets Sheet 28 16.

Tray Support Sheet 29~

17.

Conduit Brackets-& Tray Support Sheet 30 1

18.

Hanger Assembly Sheet 31 19.

Cable Tray support from a concrete wall Sheet 32 20.

Hanger-details (Conduits & Trays below crossing beam)

Sheet.33' 21.

Typical Tray grounding Sheet-34 22.

Fence Grounding Sheet 35 23.

Typical Fence Gate Grids 24.

Construction Details weatherproof Junction or Pull Box Sheet.36' Sheet 37 25.

Tray Detail from horizontal to vertical runs 26.

Fire Penetrations Sheet 38 Horizontal circular penetration w/ conduit or pipe or tubing s.

Sheet 39-b.

Horizontal rectangular penetration w/ cables or cable tray or conduit

- Sheet 40 Horizontal rectangular penetration ernpty or ventilation duct c.

Sheet 41 & 42 d.

Horizontal rectangular penetration w/ multiple conduits or ernbedded conduits with cable Sheet 43 Vertical circular penetration with conduit or pipe or tubing Sheet 44 I

e.

f.

Vertical Rectangular penetration gap Sheet 45 Horizontal circular penetration w/ cables and tubing g.

Sheet 46 h.

Vertical rectangular penetration w/ cables, trays and conduits Sheet 47 L

personnel loc k area Sheet 48 j.

Typical therrnalinsulating snaterial imtallation on conduits within the containment (sphere)

Sheet 49 l

k.

Typical conduitinsulationjoint and details Sheet 50 1.

Horizontal circular pipe tunnel penetration w/ conduit or pipe or tubing Sheet 51 Horizontal rectangular pipe tunnel peneiration w/ conduit or pipe or i

m.

tubing Sheet 52 27.

Room Index for Fire Barrier Penetrations SIG ROCK POINI q

MASTER HLE DOCUMENICONTrnt B

2/25/93 Updated per EDSFI (DCN 07-93) 3'i-JRT JRG-Jar JRT JRG

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CHARLEVODC, MICHIG AN -

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crSTRAL NOTES The notes containsd heroin cro epplicablo to thio inctallation end th2ir intent 'chould be adhered to.

The electrical drawings will generally be diagramatie in form.

It will, 1.

be the responsibility of the electrical field engineer to supplement therefore, them with sufficient details as required for construction.

The following describes the methods of f reatment to be followed for specific items:

No inserts will be shown or located.

(a)

Conduit or conductor between outlets on lighting circuits will not be (b) indicated. Circuit designation will be noted.

Power conduit runs will indicate site of conduit at origin and destination (c) only.

(d)

Tray runs will be completely engineered. Hangers and supports generally will not be detailed or located.

Penetrations required for conduit, etc, will not be shown.

(e)

If special pull boxes or header cans are required, their general (f) configuration will be shown but their f abrication details will be a field responsibility.

l The details presented are typical in nature and should be used as a guide for 2.

various hanger and support details are included but only in.

construction, isolated cases will a definite hanger arrangement be indicated for a particular In some instances a typical detail may include a bill of material which location.

indicates the quantity and electrical material sumary number of each item.

3.

Where a note or detail specifically applicable, the following symbol will The figure in the upper portion of the hexagon appear on the drawing refers to drawing number 3159-E-8 and the designation in the lower portion refers the sheet number (if there is more than one uheet associated with the to (a) drawing), and (b) the detail letter. Where a specific item is a requirement, the electrical material summary number will be indicated in the following manner.

( 15 )

4.

Concrete insert shall be PS400 or equal. Length as required.

All control room and cable spreacting area penetrations shall be filled with fire 5.

retardant sealant, Dow coring Q3-6548 Silicon RTV Toam or equal. Caulking shall be Dow corning 96-081 RTV Silicon Rubber.

(074oA30168) identifies circuits which have loCA qualified The penetration index 6.

splices. These splices must be in accordance with MMBE-4, instl. of raychem splices or MMBE-3, instl. of 3-H tape slices (MMBE-3 NOW OBSOLETE) i JRT JRG 1AT E

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CONDUIT NOTES

1. Rigid conduit chall be etcal.

(Bot dipped galvanizcd)

Non-metallic duct shall be Johnc-Manvil10 trenoito or aqual, axecpt oc cov2 rcd in 2.

note 3.

3. For isolated underground runs outside of the building, PVC conduit shall be used and s be concrete encased.

4. Electrical metallic tubing in sizes froen 1/2" through 2* shall be used for all indoor runs except it shall not be buried in concrete.

3. Concrete beneath the 2400 volt switchgear shall be poured rough 3* below finish elevation.

Switchgear sills chall then be placed and concrete finished to grade, f

6. All underground risers to the 2400 volt switchgear shall be made with transite elbows. Cut flush when floor surface is finished.

Underground ducts runs not covered by note 3 shall be encased in red colored

7. concrete envelopes (reinforced where necessary) providing approximately three inches of cover. Earth fill shall be used to restore surface.

Insulated bushings shall be used in all cases except where grounding bushing are 8.

specified.

9. Conduit connections to motors shall be made with flexible conduit.

Bonding jumpers not required, and seal-tight type flex shall not be used except where the water-tight feature is required.

10. Single conduits may be hung on pipe hangers and 3/8" O.D. steel rod.

11. Conduit entrance to pull boxes and equipment in areas exposed to the weather shall be made with water-tight conduit hubs.

12. All E.M.T. fittings shall be of the water-tight type.

13. The top surface underground conduit shall be a minimum of 2*-0* below grade.

Use Johns-Manville or equal plastic spacers in underground duct runs.

14.

15. Power receptacles shall be mounted with top 4'-O* above floor or grade.

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CONDUIT NOTES

16. Pull bo::e: chall ba constructed of cod 7 gnuga steal, galvanir;d. Whara box:o cra to ba installed out of doors in expeced cromo or Gubject to moictura, thsy chnll be constructed in accordance with details shown on Sheet 36.

17. Conduits are identified by a combination of a capital letter and a number.

The capital letter indicates the area within which the major portion of the conduit is installed, as follows:

A - Turbino Generator Building B - Reactor Building C - Stack Area D - Display Building E - The area adjacent to the plant in which the main power transformers are located F - Meterological Building G - The area in which the intake structure and screens are located H - Liquid waste disposal area J - Misc. conduits that do not fit into other letter designators The final number identifies a particular conduit and has been assigned without regard to location.

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Conduit sizine calculations 1.0 objcetiva These steps are to provida th7 n;cacecry inforr.ation for calceting th2 proper type and size of conduit for the protection of circuit conductors.

2.0 Ref erence Material American Electrician's Handbook (11th edition) a.

b.

National Electric Code (1990)

Article 331 - Electrical Nonmetallic Tubing 1.

2.

Article 345 - Intermediate Metal Conduit 3.

Article 346 - Rigid Metal Conduit Article 347 - Rigid Nonmetallic Conduit 4.

Article 348 - Electrical Metallic Tubing 5.

6.

Article 349 - Flexible Metallic Tubing 7.

Article 350 - Flexible Metal Conduit Article 351 - Liquidtight Flexible Conduit 8.

3.0 conduit calculations Note: Read article 300-2 (" voltage limitations") and 300-3

(* conductors") of the National Electric Code, List the type of conduit to be used:

a.

b.

Conduit information obtained f rom:

List the conductors to be installed.

c.

2 Size Insulation Diameter Area fin 1 1.

2.

3.

4.

5.

6.

7.

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Refer to Chapter 9 of the National Electric Code Check which table was used to determine the conduit size:

1.

Table 2: Maximum Nurber of Tixture Wires in Trade Sizes of conduit or Tubing.

(40% fill based on individual conductors) 2.

Table 3A: Maximum Nurber of Conductors in Trade Sizes of Conduit or Tubing.

(Based on Table 1, Chapter 9) 3.

Table 3B:

Maximum Number of Conductors in Trade Sizes of Conduit or Tubing (Based on Table 1, Chapter 9) 4.

Table 3C:

Maximum Nurber of conductors in Trade Sizes of Conduit or Tubing (Based on Trade 1, Chapter 9) 5.

Table 4: Dimensions and Percent Area of Conduit and of Tubing (Areas of conduit or tubing for the combinations of wires permitted in Table 1, Chapter 9)

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Conduit Strino Calculations 6.

Tcblo 5: Dimensions of Rubber-Covered cnd Thermopicctic-Coversd conductoro l

7.

Table SA: Aluminum Building Wire Nominal DimenaJons and 1

]

. Areas.

B.

Table SB Maximum Number of Compact Conductors in Trade sizes of Conduit or Tubing 9.

Table 6: Dimensions of Iead-Covered Conductors e.

Total area occupied (see step JB):

in' f.

t fill:

% available:

g.

Conduit Size to be used:

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TRAY INSTMLATION NOTES

1. Cables in vartical trcys chall be cupportcad by lollems gripa.

2. Tray elevations shall be taken frocn the top of the supporting bracket.

3.

AA01-24" AA01 Identifies tray.

24 Refers to tray width in inches.

605*-6" 605'-6 Refers to tray elevation.

4. Refer to Sheet 18 for Cable Tray Instructions

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CPOUNDING NOTES

1. All grounding cabloc chn11 be 500 MCM cof t drcwn bara copper cxecpt wh2ro noted otharwics on plans. Grounding ecblo which is buricd ind; pend;ntly in tha ground shall be placed a minimum of 2 '-0*

below grade.

2. All grounding cable splices, taps and ground rod connections shall be made with the "Cadweld" process.

3. All ground terminal lugs shall be of the pressure type.

4. Ground rods shall consist of two ten-foot rods coupled together. The top of the rod shall be a minimum of 2'-0" below fin. grade.

5. Ground rods shall be driven where indicated on the plans.

6. Ground cables shall not be connected to nor be permitted to contact any underground metallic piping.

7. Small motors (maximum 15 HP) and control equipment fed from the tray system and not connected directly to the ground system shall be grounded with a Number 8 soft drawn bare copper able installed in the conduit with the feeder cables and connected to the tray with a Universal "Servit" type (or equal) connector.

8. Large motors and equipment shall be grounded in accordance with the applicable drawings and specifications.

9. Lighting standards shall be grounded by means of (a) ground bushings, or (b) ground conductor to bolted or welded lug.

10. A ground conductor paralleling the fence and to which the fence is electrically connected shall be buried not more than three feet away from it.

11. The main ground loop, where it parallels the outer perimeter of the building, shall be placed adjacent to the bottom of foundation wall prior to backfilling.

12. A grid shall be buried at all gates which shall be made up of conductors equally spaced and shall be of a size that it will extend 3 feet beyond the arc of the gate.

See sheet #35, this drawing.

13. The lighting system chall be considered adequately grounded by the conduit system.

14. Column ground shall be made no less than 2 *-O" above grade.

15. If bolted ground connections do not have two bolts the nut shall be secured with palnut type locknut.

CT ) JRT JRG YC B 1/4/93 Updated Per EDSFI (DCN 05-93) uv om re m " JTm40NN raiGTec m ~ .Med#tif ,g.rcenaeuw k g,,;,.<:r -. F E B 2 2 E C'O y v R ,y. ;... I d tw $ F symbols, Details & Notes E m CONSUMERS POWER CO. Conduit, Tray & RB 18 1993 Grounding Installation V k sio xmmANT .r....,---.., \\ w.u w w. t-CHARLEvoet. hoCmc AN g r m Q/p% @j@':- J. T IL7 ON Q{ No 0740A30008 sheet 8 B FEB3SF.arD /7 m

Tha cquipment grounding conductora ch011 be of tha following ninimum ciz;; 16. Motore

4 (execpt no cov3 rad in nota 7 cbov0)

Up to and including } 100 HP or equivalent 125 to 300 HP

1/0 350 to 1500 HP
250 MCM Tra n s f omers Lighting
1/0 Load Center 250 MCM Motor Control Center 2 - #1/0 Switchcear 2 - 250 MCM

17. All ground conductors within the building shall be run on the reinforcing steel and securely tied thereto.

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RACEi=~AY S 8220 - [ ABOvE GRADE EXPOSED CONDUIT INDICATED SIZE AND NUMBER - - CONDUIT BANK - INDICATE ELEVATION IF DESIRABLE - CONFIGURATION OF -CONDUIT NUMBERS INDICATES CONFIGURATION OF RESPECTIVE CONDUITS IN -DIRECTION OF ARROWS t Al ~ A3 I ..E k, ~ ,Y, l APPR")X.[ CONDUIT IN CONCRETE SLAB OR UNDERGROUND ON BELOW GRADE CONDUIT DRAWINGS o APPPOX. DAS4 CONDUIT RUN BEHIND OR BELOW OBSTRUCTION FLEXIBLE CONDUIT CONDUIT BENDS TOWARDS OBSERVER l CONDUIT BENDS AWAY FROM OBSERVER g_ NUMBER OF SIZE 12 WIRES, IF MORE THAN TWO, IN 3/4" LIGHTING CONDUIT 4, - INDICATE CONDUIT SIZE IF OTHER THAN 3/4" ~ f7 NUMBER'OF SIIE 10 WIRES IN 3/4" LIGHTING CONDUIT - INDICATE CONDUIT-SIZE IF OTHER THAN 3/4" HOMERUN TO PANELBOARD (TC ) JRT JRG 74~=."I B 1/4/93 Updated Per EDSFI (DCN 05-93) av osc m arv om cop-,-. w

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FTTTINGS L - TYPE FITT8NG T - TITTING - l-l JUNCTION BOX - INDICATE BOX NUMBER I#2 PULL BOX - INDICATE TYPE OR SIZE pg (2X6X4 TERMINAL s x - INDICATE nox NUMBER TB 450 JRT JRG IC.I B 1/4/93 Updated Per ED5FI (DCN 05-93) [ TC.T ) EY OK AM R.EV DATT IOC1Lwa nsvu E!G ROcx PO:t41 4h 7-. x a. . :D "l'4%[ff, MAS;r>tnii m ,025$y5 Td, DOCUMENT ccNTRc R Symbols, Details & Notes E I i WW An FEB 18 1993 CONSUMERS POWER CO. Conduit, Tray & V ( / .m mx - - lw cuattvoDc. wcmaw .<_... ~. +y J. TILT ON m 'fc"[(cq ij,?j;, No 0740A30008 sheet 11 B <*' I F Ed 'd Z hlU d .n ;

BURIED - 2NDICATE SIZE AND TYPE OTHER THAN BARE GROUND CAB 2.E, gg COPPER 1% INDICATE SIZE AND TYPE OTHER THAN BARE GROUND WIRE, EXPOSED ~ COPPER O GROUND WIRI BENDS TOWARDS OBSERVER -~ d GROUND WIRE BENDS AWAY TROM OBSERVER ~ ~ ~ ~ " " ~ ~ ~ GROUND WIRE OR CABLE CONNECTION i GROUND BUS ~~ p 6I 500 Hqu GROUND ROD -~ 2so a 1 S GROUND WELL JRT JRG 1M k 3b~i ) B 1/4/93 Updated Per EDSFI (DCN 05-93) BY OE AFF ILIV DATE M" 2 rig S!G RCCN EOIN g% $^ ', % a:. ga_ Y "7,7 ;f-- #fi{Q g MASTR FILE . s % h. .:7 60CUMENT CONTRO R if; L.- 1 SY"b l "***il' ' " *** E -s m i *NB 18 1993

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. CONDUCTIV87Y; CE22 2NST.u.LAT80N .} j t .i 3/4' F0 CONCu,ET 04 E00AL j PLUG. VAPOR AND WT ATHER TIGHT - 'j' 1 Pott. P ARALLEt St. ADCS $1LytR PLATED. COR ~ 1 -~ 312C 0.375 0.500 T I p ~ ACCtrTACLE HouslMG, SINGLE. t POLE vlTH THRE ADED CAP Awo $1Lyta PLATED con. TACTS. ~ M3UNT 80X & RECEPTActt APPROXIttATELY l A' FROP4 CDHDUCTIYITY CELL -i B 1/4/93 Updated Per EDSFI (DCN 05-93) JRT JRG gy gg App uV DATE DOCWW %,%, te - a m e - L,C f.,, s h I Uia u an s, a. w om. c. [ [/dbI2) [II 3 e ,;-E' _3 8 {__.__.rA 1 R g m --,.,i-,,,.-~n -v~~**-*. g. ,,a., u a: a s y(e , i?.o p D -> Symbols, Details & Notes are W CONSUMERS POWER Co. Conduit, Tray &' ~ Grounding Installation V eEB 18 1993 sia moexpowr non r u-cum.tvoa.mcmom [ cQ2,.;;;c';g J. 71LTON C-no o740Asooos sheet 17 3 dIf4h[idt / w' FEB 3 3 Htc u in ;,G

Ccblo Troy Instructions 1.0 Objectivo' These steps are to provide the necessary information for selecting the proper typc and size of cable tray "~ es routing and protection of approved cable. A Big Rock Point Engineering Analysis worksheet (BRP090 or similar form) shall be used to document the calculations used for determining the proper size and type of tray. 2.0 Reference Material l I ' a. 1990 National Electric Code 1. Article 318 - Cable Trays 2. Article 330 - Mineral-insulated, metal-sheathed cable 3. Article 333 - Armored cable 4. Article 334 - Metal clad cable 1 5. Article 336 - Nonmetallic-sheathed cable 6. Article 337 - Shielded, non-metallic-sheathed cable i 7. Article 338 - Multiconductor service entrance cable 8. Article 339 - Multiconductor underground feeder and branch-circuit. cable 9. Article 340 - Power and control tray cable 10. Article 725 - Section 725-40 Power-limited tray cable j b. Big Rock Point 0740B30163 - Raceway Schedule 3.0 Vendor Information Note: During the detail design stage of new cable tray system, the guidelines provided by the listed vendor (or any other cable tray vendor maybe used in conjunction with the informat3 provided on Big Rock Point drawing i 0740A30008. a. B-Line System Inc. ; " CABLE TRAY - Technical A10: ement and Design Guidelines." (5190) 4.0 Cable Tray calculation Note: Modification to existing cable trays shall be in accordance with Big Rock l Point drawing 0740A30008 and the guidelines provided in section three (3) of this procedure. B 1/4/93 Issued for Record (DCN 05-93) h88 h JRT JRG MT sy out w arv not -nau jig ROCK FO!Ni .= rs. MASTER F!LE , O h b ' Mf,, SOCUMENT CONTROL. R ..; c.+ m a v y, Cable Tray Instructions p p 'y

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MULTICONDUCTOR CABLES IN CABLE TRAYS Section 318-9(a) lista ths requiremento for cizing multiconductor cabloo,' rated 2000 volto or less, in a laddar or ventilated trough cable troy. Installations of multiconductor cable assemblies 4/0 AWG or larger are placed in the tray in a single layer and the minimum width of the tray is determined by the sum of the If the multiconductor cables are smaller than 4/0 AWG, diameters of the cables. the sum of the cross-sectional areas of the cables are not to exceed the Where the cable tray is to appropriate values listed in Column 1 of Table 318-9. contain mixtures of multiconductor cables that are larger than 4/0 AWG in the same the minimum width of the tray tray with multiconductor cables smaller than 4/0 AWG, determined by the computation in Column 2 of Table 318-9. For example, let's is say that we have 6 multiconductor cables that are larger than 4/O AWG and the sum in addition to these cables, we of the diameters of these cables is 12 inches and, have 10 multiconductor cables that are smaller than 4/0 AWG and these cables have a total combined cross-sectional area of 3.5 square inches, the minimum width of the tray would be 18 inches in accordance with the computation from Column 2 of Table This value is determined by multiplying the sum of the diameters of the 318-9. multiconductor cables by a factor of 1.2. 12.0 inches (sum of the diar,eters of 4/0 AWG or larger cables) x 3.2 14.4 inch.es 21.0 (value listed for an 18 inch wide tray in column 2) -14.4 6.6 square inches 6.6 square inches is the maximum fill for the multiconductor cables smaller than 4/0 AWG and their total area, as stated earlier, was only 3.5 square inches. larger multiconductor cables are to be installed in a single layer with The 4/0 AWG no cables placed on top of them. Another method of calculating the minimum cable tray width for these multiconductor 1 cable is to multiply the sum of the diameters of the multiconductor cable 4/0 AWG or larger by a f actor of 1.2 and add the sum of the cross-sectional areas of the multiconductor cables smaller than 4/O AWG to this value and don't exceed the area specified in Column 1 of Table 318-9. Example: 12.0 inches (sum of diameters of cables 4/0 AWG or larger) x 1.2 14.4 inches + 3.5 square inches (sum of the cross-sectional areas of cables smaller than 4/0 17.9 Total AWG) B 1/4/93 Issued for record (DCN 05-93) [ '~fr2 d JRT JRG d dT sy oec ue arv om rawrm cx. BlG ROCK PO!NT , ' n-

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_ Column 1 of Tcblo 318-9 rcquirac cn 18 inch wida trcy ca tha vchua expreuxd in this column to cquero inch 20. SOLID N CAal.E TRAYS installation of multiconductor 1 If a solid bottom cable tray is to be used for the power, lighting, control, or signal cables installed as a group, the minimum width the ladder or ventilated trough of the tray is determined in a similar manner as the number of these cables in cable tray in the previous example. However, the tray will be slightly reduced due to the consideration of the comparable heat type Where all of dissipation f actor of the solid bottom tray to the open bottom tray.the cable tray width is determined the multiconductor cables are 4/0 AWG or larger, by adding the diameters of the cables together and then multiplying the total (90%). Where the multiconductor cables are smaller diameter by a factor of.90 the sum of the cross-sectional area of the cables is not to exceed than 4/0 AWG, the cable fill area specified in column 3 of Table 318-9. In an installation where the multiconductor cables 4/0 AWG or larger are in the the cable tray width is same tray with multiconductor cables smaller than 4/0 AWG,from the computation in column 4 of Tab determined by the fill area multiconductor cables 4/0 AWG and larger are to be installed in a single layer with no cables on top of them. Example: Determine the minimum size solid bottom tray for a group of multiconductor cables 5-1/0 AWG cables, 4 - #2 AWG cables, #6 AWG consisting of 8 - 4/0 AWG cables, and 10 coaxial cables with a cross-sectional area of.0575 square inches

cables, each.

First we add sum of the diameters of the 4/0 AWG multiconductor cables together and Then we subtract the appropriate dimensions listed in multiply this value by 1.2. column 4 of Table 318-9 to determine the minimum cable tray width. the diameters of these cables are.705 inches each. The total Let's assume that diameter of all 8 - 4/0 AWG multiconductor cables would be 5.64 inches. footnote to Table 318-9) would give us a total Multiplying this value by 1.2 (see Then subtracting this dimensions from the values listed diameter of 6.768 inches. in column 4 would determine the total area in square inches that could be utilized for the smaller cables to be installed in the same tray. 1/0 AWG multiconductor cables have a cross-sectional area of Let's say that the 1.676 square inches each, for a total of.8380 square inches and the cross- .2067 square inches each for a total of sectional area of the #2 AWG cables isthe cross-sectional area of the 7 - #6 AWG .8268 square inches. In addition, multiconductor cables is.1238 square inches each, for a total area of.8666 square The total area of all the cables would be inches. .8380 square inches (1/0 AWG cables) JRT JRG B 1/4/93 Issued for record (DCN 05-93) sy osc m sIV DATE ttsCw nON mBIG ROCK PCiNi ca. .3 d$b% MAST 7 E'.i [N/CbG95%. DOCUMENT CCNEC-R d r*, I

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.8268 cquero inch 9a (#2 AWG ccbloo) .8666 cquero inch 30 (#6 AWG cabica) .5750,equcro inch 23 (cotxini etbico) 3.1064 squaro inchsa We would then check the values expressed in column 4 of Table 318-9 and, by subtracting the sum of the diameters of the 4/O AWG multiconductor cables listed in column 4, we can multiplied by 1.2 from the appropriate dimensions readily determined the minimum cable tray width for this group of cables. the second value expressed in column 4 is "11". Then subtracting In this case,inches x 1.2) from the number, we would arrive at a total area of 4.232 (3.64 6.768 inches and the total area of the multiconductor cables smaller than 4/0 AW: square is 3.1064 square inches. Therefore, the minimum cable tray width for all of these cables is 12 inches in accordance with Table 318-9. Another method of determining the minimum cable tray width for this solid bottom tray is to add the diameters of the multiconductor cables 4/O AWG and larger Then add the cross-together and multiply the total diameter by the f actor of 1.2. sectional areas of the multiconductor cables smaller than 4/0 AG to this value and exceed the area listed in column 3 of Table 318-9. don't 5.64 inches (total diameter of 4/0 AWG cables) x1.2 (Term "Sd* in footnote of Table 318-9) 6.768 inches +.8380 square inches (area of 1/0 AWG cables) +.8268 square inches (area of #2 AWG cables) .8666 square inches (area of #6 AWG cables) + +.5750 square inches (area of coaxial cables) Total 9.8744 Referring to column 3 of Table 318-9 we would select a minimum of a 12 inch wide tray. note of caution should be referenced here in that care should be exercised One whenever we mix control and signal cables of the Class 2 or class 3 type in the tray with conductors of electric light, power, and Class 1 circuits. Section 725-38 (a) (2), exception #1 indicates that the Class 2 or Class 3 cables would be same separated from the other circuits by a barrier. The same type of separation would be required for other types of systems such as: communication circuits (800-52 (c)(2)), exception #1, fire protection signaling circuits (760-52(a)(2)), exception #1, and intrinsically safe conductors (504-30 (a)(2)), exception #1. The reason for the separation requirement for these types of circuits is f ault isolation as well as reducing the effects of magnetic and capacitive coupling. Finally, where solid bottom cable trays contain only multiconductor control and/or signal cables and the tray has a usable depth of 6 inches or less, the sum of the cross-sectional areas of all the cables at any cross-section is not to exceed 40s d NN) JRT JRG B 1/4/93 Issued for record (DCN 05-93) BY Oe; APP UV DATT ICICUPTK)N allG ROCK FOINT n-re. y m MASTR FILE k,l.3 dQ/)p McoNmetun8.. DOCUMENT CONTRC'. R dA b N Cable Tray Instructions E w Consuxtas PoWra Co. FEB 18 1993 ( j BIG ROCK POLNT PLANT r,..,. _, v. - v. c4.

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r- = _ _. _ If tha cabl of the interior cross-coctional area of the cable tray.exceedo 6 inches, the 40% ar inch deep tray. SINGLE CONDUCTORS IN CABLE TRAY The method of sizing a cable tray for single conductor cables is not too dissimilar Section 318-10 installation method for multiconductor cable assemblies. indicates the procedure for single conductor, rated 2000 volts or less, in cablespecifies that th from the One thing to remember is that Section 318-3(b)(1) conductor cable must not be smaller than 1/0 AWG and the cable must be mark trays. j its surface as being suitable for use in cable trays.specified in this section is for the p If small wires were installed, they would very likely be subject to cable size i movement within the tray due to the ef f ects of varying magnetic fields from durability. conductors and this movement would produce stress on the conductor In addition, a larger conductor would certainly have greater adjacent These small conditions are not a problem insulation. mechanical strength than a smaller one. with multiconductor cables because of the cable outer sheathing pro tray may be smaller than 1/0 AWG. (Section 630-41 and 630-42) (318-3 (b)(1) exception) Where single conductor cables are installed in a ladder or ventilated trough cable tray and the cables are 1000 ke mil or larger, the sum of the diameters of the single cables are not to exceed the cable tray width. If the cable sizes range from 250 ke mil to 2000 ke mil, the sum of the cross-sectional areas of the single conductor cables should not exceed the maximum cable The cross-sectional areas of specified in column 1 of Table 318-10. cables may be deter nined by referencing Chapter 9 - Table S in accordance fill area For example, let's say that we are these with the cable size and insulation type. installing 6-500 ke mil, type THW copper cables along with 8-250 ke mil, type RHW and 4,750 ke mil, type XHHW aluminum cables in a cable tray. copper cables, 250 ke mil 500 ke mil 750 ke mil OOOO oo000000 000000 Table 5 lists the cross-sectional areas of these cables as follows: 4.7336 sq. in. 250 ke mil - RHW .5917 sq. in. x 8 = 4.9896 sq. in. .8316 sq. in. x 6 = 500 kc mil - THW 4.3744 so. in. 750 ke mil - XHHW - 1.0936 sq. in. x 4 = 14.0965 sq. in. = Total Column 1 of Table 318-10 would require a minimum 18 inch wide tray for these single conductors. B 1/4/93 Issued for record (DCN 05-931 k3 JPT JRC ThT n on: er REV DATE IN% nm " BIG ROCK POINT ~ gg ctp@canROU.EDD MASTR FIE i e R sfp\\

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== Wharo 1000 ke mil or lcrg,r cinglo conductor cablo: cro to be inntolicd in a cc.blo tray with cmcIlar cinglo conductor ccbloc, tha sinimo echlo tray width 10 For determin;d in cecordtnc3 with tha cceputation in column 2 of Tablo 318-10. lot's esy tha group of cinglo conductora from o prcvious cx:mplo cro to

instcnca, installed in a tray with 4 - 1500 ke mil, type THW aluminum cabloc.

To be 1500 ke determine the minimum cable tray width, we would add the diameters of the mil cables together and multiply the total diameter of all four cables by the we would subtract this value from the dimensions specified in factor of 1.1.

Next, to determine the appropriate cable tray width.

In this column 2 of Table 318-10, the diameter of the 1500 ke mil, THW cable is specified in Table 5 as 1.702

case, inches. The total diameter of all four cables would bei 1.702 inches x

4. 6.806 inches x 1.1 _ (factor from footnote of Table 318-10) 7.4888 inches We would then sabtract this value form the dimensions listed in column 2 of Table 14.0976 318-10 to determine the cable tray width to accoccodate the total area of for the smaller singla conductor cables. As we can see from square inches a minimum cable tray width of 24 inches is required for the single column 2, conductors. Another method of making this determination would be to multiply the total diameter 1500 ke mil cables by the factor of 1.1 and then add the total cross-of the sectional area of the cables smaller than 1000 kc mil to this value and don't exceed the area specified in column 1 of Table 318-10. 1500 ke mil, THW cables = 1.702 inches (diameter) x 4. cables 6.808 inches x 1.1 (factor from footnote of Table 318-10) 7.4888 inches +14. 097 6 square inches 21.5864 Column 1 of Table 318-10 would require a 24 inch wide cable tray to accommodate this dimension. For single conductors in sizes 1/0 AWG through 4/0 AWG, the sum of the diameters of the cables should not exceed the cable tray width and these cables are to be installed in a single layer. The maximum spacing between rungs of a ladder type cable tray is 9 inches for these cables according to Section 318-3 (b)(1). Spacing between single conductors in cable tray is a very important consideration Section 318-11 indicates that single conductors with regard to cable ampacities. ic sites 250 ke mil-500 ke mil installed in an open-type cable tray derive their B 1/4/93 Issued for Record (DCN 05-931 MN JRT JRG UW av c>n: m arv om tucums cx. BIG ROCK POINT t-a m o.jg d@n MASTR File /Ffrm wf,/h DOCUMENT cnMrr ~ R f"h OE h cable Tray Instructions E Da e CONSUMERS POWER CO. FEB 18 1993 V MG ROCK PONT MMT 4 j \\, C5W C.M,'3 / cumrvooc.mc> ace CO-J. T ILT ON 5%[, D $ h. No 0740A30008 sheet 23 3 ~ ~ FEB 2 2 EC'D ia:

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capacitios at 65% of ths approprieto valuss. listed in Tchlo 31 -75% of tha Tablo 310-17 liotings.

mil and largar would drive th31r ampacitics at If these cablo trays are onclosed with colid, unventilated covers for 6 fost or more, the empacities from Tablo 310-17 would be rsduced to 60% or 70t respectively. Where a one cable diameter spacing lo maintainzd betwoon each cablo in tha 250 ke mil or. larger uncovered cable tray, the ampacities of the single conductors, There is a could be taken at-100% of the values specified in Table 310-17. significant dif ference between the ampere ratings in Table 310-17 as compared to Table 310-16. For example, a 500 ke mil, THW copper conductor from Table 310-17 has an ampere listing at 620 amps as opposed to the same type of conductor from Of course, all appropriate derating Table 310-16, which is listed at 380 amperes. factors must be applied, such as for high ambient temperature conditions, but the corrections f actor for proximity ef fects (Table 310-16-310-19, Note 8(a)) does not apply to single conductors in uncovered cable tray. Type WV or NC cables in cable tray (2001 Volts or over) For medium voltage cable installations, the sum of the diameters of single or multiconductor cables should not exceed the cable tray and these cables are to be installed in a single layer. If single conductor cables are triplexed or the sum of the diameters of the quadruplexed or bound together in circuit groups, single conductors will determine the minimum cable tray width and these cable groups are to be installed in a single layer in compliance with Section 318-12. k 4 C3, i.ED %2 FEB 18 1993 ccM.TEP075 $0$h JRT JRG M7 B 1/4/93 Issued for record (DCN 05-93) [TM) i RIY DATT DE3Chn w ,,ost Apr gy BIG Roth rum m o. x MASTR FRE DOCUMENT CONTROL R AP'

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Bills af Mat:rt:1 penece end shelf Assembly Datsit Guantity M/S N2. Mir. Ms. Descriptfort $89 Ps501 - DostaChamet 2 ~ 898 Ps605 Corner camection A-1 893 Ps926 srece 8 902 Ps10sst 1/2* sut 8 905 1/2* a 15/16* Cap screw 889 Ps501 Doele Chamet 1 914 Ps610 Bracket 8 2 902 Ps!Osss 1/2+ sut 2 905 1/2" x 15/16* Cap screw Length as regJired 80' ' fx, r s.o = o._:m.w]1 n o s. e6 ) E cIrit.psgrt I Corner Connection. -t ' 4/2", Ruts t Can Scztva . Double _heL IN M" M2i % _ -,,1/pe Art, s _- & can sereve 8 cas Bezrts .} Double che.mel .^ DETAIL A-- DETAIL 3 w ME O suz!J AIEY. -?, a_ ] i i B 1/4/93 Updated Per EDSFI (DCN 05-93) []I4 JRT JRG [6 av osc m EKV DATE m frnON BIG ROCK Poir4 = r a. ,N. :.a - MASTER FILE 1 / [ !,I.I.' @ DOCUtAENT CONTROL R t 5 Symbols, Details & Notes E ['*d.2 NA d' D== e CONSUMERS POWER CO. Conduit, Tray & FEB 18 1993 crounding Installation { l BKi ROCK POD (T FLANT \\ 03:iG9GM'".Ct o* CHARLEVODC. MK3DGAN m ,h CO. J. i IL'i ON l 'hyt }}Q.y no o740Asooos sheet 25 B FEB 2 2 REC'O ip V3 ; *-

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y __ s HORIZONTAL CIRCULAR PENETRATION WITH CABLES AND TUB 2NG I A 4-a a ) gs,- / ,, w** 9 9 3 4 ,..y. / .s 1 /N C_ J _d. O i _4 4 7 N 2 -@ M30 N 'r.,Y }, m._-!,!_.C : .n. t. .* h.,, A4-6 7 ~ 50T13 ELtVATIM }. A temporary structsre, cst to fit by field around penetratton contests, sball h installed to act e4 a dam to hold the rosa la Nees durine the curing. Plastle shall be used htveen the tem;crary structure anc :een to ;revent foam frten adhering to temprary strveture. Daa may k lefs le place if s.ede from fire resistant s.aterial such as Marinite II, Board (plastic not used). r, Vishest disc % netting, vtere applicable, carefully pull tubtsp. far esowd out of penettstion to allow temporary structure to fit against the penetrattoo sur face. . silieerie foam Low corni 4 type 03-4518 silf eone RTY foam or equal, sball be used to fill the penetratice. The foam shall be anlied using autoestie mizing and pump in actordance with Dov Corning lastructions. h. yield shall provide pump cr<ntag sad tests at the top of the penetratios as required. Dow Corning primer No.1200 should be used os Polyethylene esble iseult-tion to improve the adherecce of.Dow Corning type 03 6541 silicone RTY feas. 6. Pack Taewool 2.abcoci 6 V11eos or approved equal, as required to fill volds to a depth of appreatmately 2 inches arour.d eomtents to act as a siliccee foam dam. 7 Coal exterior surface of Kaavool with flaxmastle type TT, Flamesaster carpany or equal, te a 1/% loch dry thieiness. 6. For vs.11 thici. ness less tham 12 inches, vtare artlicable, apply f1saenastle T1 to electrical esbles a distance of 12 imetes, each side of vall, to a 1/% inch dry thichmess. For vs11 thicknesses greater thna 30 inches, where applicable, pact Eso. p. voel, htcoch & v11een er approved coval, %2amlet 121sebes mialsam, alend the surface of the penetrailee ea kth sides sad apply silleese foes, the Corsing type 0}-65%8 etlicone RIT foam or eewal. A 1/4/93 Issued for Record (DCN 05-93) [ N ~~~ ) JRT JRG M T' sY OK APP LEY DATT IE3CRJrnON
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TYP8 CAL THERMAL 2NSULATING MATERIAL 2HSTAI1ATION ON CONDU8TS W87EZN THE CONTAINMENT (SPHERE) KA0 TEMP h, SEE SKEET N0. il FOR DETAILS. i STRAP 5h ,j i .1 l I Il CONDUli JJ CONDUli 70 FLElllLE CONDUlf FITTIMB I I ,s I \\ I /KA0 WOOL @ ~___e_ \\ f . FLEX 1BLE CONDWT ($1MGLE / II INN hSTRAPS AS REQUIRED / (\\ \\ \\ FLEX 1BLE CONDUlf TO JB FITTING N 7 ~ T M- - M [I = gJUNCTION BOK (JB) ~ NOTES: 1. PREFORMED CONDUIT INSULATION. KA0 TEMP As MANUFACTURED BY BABC0CK & VILCOI. OR APPROYED EQUAL, IN THI SPLIT ftIFORMED CONFIGURATION. A DEN 51TT OF 11.8 Lt. PER CU. FT., A THICKNES$ OF 11/2 INCHES WITH THE HOK!KAL 10 AC LENGTH AS DETERMINED BT THE FIELD. 2. CIPMIC FIBER INSULATION, rJLMOL AS MANUFACTURED BY BABCOCK & VILCOI. OR APPROVED (QUAL, IN THE BLAXrIT FORK VITH A DENSITT OF 4 LB. PER CU. FT., A THICKNES$ OF 1 1/2'. STRAPPING MATERIAL 3/4* VIDE RIGULAR DUTY MATELIAL VITH A NOMINAL THICU 3. 0F 0.029' WITH A GALVAx11ED FINISM (STAINLCS$ STEIL STRAP-ALTERNATE). STRAPS SMALL BE PtACED AT EACM EMD AND APPRDIIMATELT AT 18' INTERYALS THROUEM Olli THE LENGTH OF THE IK$tLATION. A 1/4/93 Issued for Record (DCN 05-93) [TZ T~ ) JRT JRG %T av cm m trv om recutnow cx. BIG ROCK POINI
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n-TYP2 CAL CONDUIT INSULAT3ON JO8NT AND DrTAILS l g CONDUIT KADTD9 $ECTION JOINTS N KA0TDe@ KA0TO? g KA0 WOOL. h"l SECTION 00!NT5 y METAL STRAPS I I CONDUIT 3 i l.5 - .L ~ T TOP YlEW t N81TTT JOINT BETWEER I~~ g I g- ;%g KADTD9 SECTIONS e a METALSTRAP@ 5, f KA0TD7 SECTION JOINTS l Off5ET BETWEEN Pit,CES CONDUll ' ELEVATION SCALE: NONE n0TES: 1. PREF 0MED C0CVIT INSULATION, KA0 TEMP AS MANUTACTURED Bf 8ABC0CK & WILCCI, OR APPROVED EQUAL, IN THE SPLIT PREFORMED CONTIGURATION, A DEN 51TY OF 11.8 LB. PER CU.FT. A THICKNESS of 1 1/2 INCHES WITH TKE NOMIKAL ID AND LENGTH AS DETEAMINED BY THE FIELO. 2. CERAMIC FIBER IKSULATIOM, KA0VOOL As MANUTACTURED BY BABC0CE & VILCCI, OR APPROVED EQUAL, IN THE BLANKET FORM WITH A DERSITT OF 8 Lt PER CU. FT., A THICKNE15 0F 1-1/2". 3. STRAPPING MTERIAL, 3/4" WIDE REGULAR DUTY MTEAIAL VITH A IIOMINAL THICKlgE$$ OF 0.020' VITH A CALVAM12CD FIM15M ($41MLE55 STEE1 $ TRAP-ALTDLIIATP). STRAPS SKALL BE PLACED AT EACM EMD AND APPROIIMATELT AT 14" IKTUtVALS THROUW OUT THE LENGTH OF TE INSULATION. A 1/4/93 Issued for Record (DCN 05-93)- fhI JRT JRG %T nig ont v mint = = arv om recum= jM%'hig " MASTER FILc /Mbr.cu2: T;(, 60COMENT CONTROL - /r y cy; .n R b Syrbols, Details & Notes E FEh.= 71993 m cONsuxtas Powra co. conduit, Tray a j Grounding Installation ,...i.y+/p",7.[:'O / BIO ROCK PODiT PLANT Job No. 5222 k /A,.,wLm.6.sgh-MICHIGAN CHARLEVOIX.7 O!l m J. Tll Y,5 /.67 y y,\\s ? 'DY No 0740A3OOO8 Sheet 49 A f5 I5u .tcwt
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/ B"'^ MASTR FRE [j _ .jo., . h@h R COOJAiENT CONTROL )w Symbols, Details & Notes E f t. ; zw.= m RB 18 1993 CONSUMERS POWER Co. Conduit, Tray & Grounding Installation y ( j ,, _ m - ,' ;,,,',,l.5 T.'.T.' Job No. 5222 j f% 3 ^ ~[~['[^" 5%QD .. o,.oA3ooo. .s..t so x r ee ~ s u ,g4 5
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CH ARI EVOIX, MICH1G AN p p m e 19' g "i t * % No 0740A30008 sheet 51 A { FEBf..FET ,gg,g
1 - 1 { ,8 r 6 ROOM INDEX=FOR FIRE' BARRIER PENETRATIONS When work is performed on an existing penetration seal'it will'be upgraded to the new I l design. Fire Barrier seals'for floor!and wall penetrations are required in'the following locations: - l -q Room No. Room Title 102 Battery Room 103C Reactor Depressurization System Room 103D UPS Battery Room' ' i 104 Machine Shop Room ' i 105 Electrical Equipment Room ] 106 Ventilation Room 110 Penetration Area Room i 112 Turbine Lube oil room 114 Pipe Tunnel Room j 115 Air Ejector Room 125 Condensate Pump Room i 209 Computer Room 209A Computer Air Conditioning Room 307 -Control Room 324 Exterior Cable Passage Room 325 Turbine Floor Area (only in wall to Service Building). 405 Control Rod Drive Accumulator Room i 427 Core Spray Pump Room 441 Storage Room 507 Emergency Diesel Generator Room 'j 504 Scraen Well Pump Room. -i [h\\( S[(. ./[u 0NTNap ?- c:1.' / Ci. 's MAR 12 1993 SIG ROCK POINT .m.,,... _ hpT * ' t Doam.::.~:: an n q;;,.yQ ^ EL .,-b i "o tw A 2-25-93 Updated per EDSFI (DCN 07-93) k nth JRT JRG IET~ S i ) .r or arv om vaca, nom Y' -. i co at w tw tw on. cx. o oo - 5 k D o -n 5 Symbols, Details' and L, [ at D.=.= iw Da= CONSUMERS POWER CO. Notes,-Conduits Tray and .L M Grounding' Installation-1 BlG ROCK POINT PLANT APP Dryanare tw D== CHARLEVODC, MICHIGAN k.+ No 0740A30008 sheet 52 'A .O 4 f ,.4 t ~n u..
n-i - M i.. 1 REFERENCE.8-e j i t 1 g ii 4 4' d u 1 3 ) i a l 1 i, s ( i 4 - a f. i 4 ,}}

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