ML19317G755

From kanterella
Jump to navigation Jump to search
Forwards Corrected Page 18 to NRC 771215 Questionnaire Re Reliability of Standby Diesel Generators.Addressed to All Power Reactor Licensees
ML19317G755
Person / Time
Site: Arkansas Nuclear, Big Rock Point, Rancho Seco  File:Consumers Energy icon.png
Issue date: 01/03/1978
From: Goller K
Office of Nuclear Reactor Regulation
To:
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.), SACRAMENTO MUNICIPAL UTILITY DISTRICT
References
NUDOCS 8004010584
Download: ML19317G755 (3)


Text

,

~

~

.a

%o{

f UNITE 3 STATES

/.( -

gy NUCLEAR REGULATORY COMMISslON j

WASHINGTON, D. C. 20555 3'

8 January 3,1978

%,,-*.... /

l.)

..a i <

nn.n:nn All Power Reactor Licensees

~~"

"""1

.: =

By my letter to you dated December 15, 1977, you were requested to

~"

=. n complete a questionnaire to provide data for a study we are performing on the reliability of standby diesel generators.

j Due to a clerical oversight, parts 6 and 7 of item Q on page 18 were

-g omitted from the questionnaire sent to you.

Please utilize the enclosed 1

page 17. (the unchanged reverse side) and corrected page 18 in preparing

===4

-i=j your response.

==

We regret any inconvenience this may cause you.

x Sincerely, j

.j

/

~. _..

~"""' "

Karl R. Goller, Assistant Director for Operating Reactors

~ = = - -

Division of Operating Reactors E:

n=jj

Enclosure:

q Pages 17 and 18

.. a cc w/ enclosure:

See next page nun.

nun, 1

...j

.4

..z.:

=s, 8004010 N f-

=

=

. _ =

,= _

...n..

4

;}

, 2.

Give usual time intervals as follows:

i

=g:.

a.

Time from start-to-crank to first firing of any cylinder.

seconds b.

Time from start-to-crank to approximate full firing of all cylinders.

seconds

""~

3.

Give maximum speed surge when starting; use both tachometer and frequency meter if possible.

p

==

a.

Usual. conditions rpm Hz b.- tiaximum observed rpm Hz 4.

During a surveillance test, give time from start-to-crank to when steady synchronous speed is attained and maintained.

a.

Usual seconds b.

Maximum seconds c.

As specified seconds.

5.

Give briefly the nost troublesome problems in starting.

a.

Most troublesome D.

i. ext to most troublesone P.

Air Cleaner or Air Filter - Combustion Air zu 1.

Conbustion air source:

taken from engine room or inside

=

the building, or from outdoors?

a.

Indoors b.

Outdoors mse.

eos see

==

=.

\\

L.

...........5."^5 c

~~-"=-~~!x,:3.3:f ];

..;.i 2.

Give type and make of air cleaners or air filters:

a.

Oil bath flake

.. :d

=51

=

b.

Oil wetted screen 11ake P=

?!.4 c.

Paper 11ake 1

d.

Other 11ake

=5 e.

Precleaner:

Yes No

..q 3.

Excessive air. flow restriction and servicing need

...[j determined by?

............a

a. -Instrument such as:

. =n-

=.k

.7:;.

.,.,.3-

,...g manometer

.=.

If other give type 24 b.

Personal judgement by appearance, etc.

c.

By smoking exhaust

=.a.q d.

Time schedule

==u ggj e.

Other (Specify)

.4 4.

Are climatic extremes normally experienced such as:

~

..,.u u

Ep Air heavily loaded with water mist, high humidity

=== a a.

and low temperature? Yes No

==

b.

Blowing sand ano dust? Yes No c.

Blowing snow (blizzards)? Yes No

=diZ i.ss; d.

Other-Nane E?+

i:1 5.

Are climatic extremes potentially possible such as:

=

..=

Air heavily loaded with water mist, high humidity d::'...=:l.ib a.

and low temperature? Yes No

.;. ' !:::25,)

~

...j b.

Blowing sand and dust? Yes No 0.

Bicwing snow (blizzards)? Yes No

. ~:-+ ;;.;;g d.

Other-Name

=: ~:.v.:

Q.

Temperature Conditions 1.

Ambient outside hottest F.

7

.g 523.:..:.:=

2.

Anbient outside coldest

  • F.

3.

Engine-generahr room hottest F.

i=s=

.225'.

=2.... =ane-4.

Engine-generator room coldest

  • F.

.0$

5.

Inside switch gear hottest

. 6.

Inside voltage regulator or ambient near voltage a -

regulator hottest

  • F

= =

= =;-

7.

Ambient at exciter hottest F

==.

.=u.

. = =.

'n =n*

I

..q

~ - -. ;,.

~~"

'!2II.1!N. A %CNU$ 3 [:

.7.*'..

J.J.C.

,1~.

^ :.:. ;;.:..