ML20204F483
| ML20204F483 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 07/30/1986 |
| From: | Ainger K COMMONWEALTH EDISON CO. |
| To: | Harold Denton Office of Nuclear Reactor Regulation |
| References | |
| 1930K, NUDOCS 8608040199 | |
| Download: ML20204F483 (17) | |
Text
,
Commonwealth Edison
( A.'. One First National Plaza. Chicago, Illinois Address Reply to: Post Offica Box 767 Chicago, Illinois 60690 0767 July 30, 1986 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Washington, DC.
20555
Subject:
Byron Station Unit 2 NFPA Code Deviations NRC Docket No. 50-455_
Dear Mr. Denton:
Attached for your review is a listing of NFPA permanent deviations.
Deviations from all applicable NFPA codes are not included at this time because we have not completed the reviews necessary for some of these codes.
However, the deviations from the major codes covering the majority of the fire protection features in the plant are included in the attachment.
We intend to submit permanent deviations from NFPA Codes 12A, 50A, 90A and 204.
When all of the code reviews are complete these NFPA deviations will be put into a tabular format much like Table #3-1 currently in the Fire Protection Report for Byron Unit #1.
Please direct any questions you may have regarding this matter to this office.
One signed original and fif teen copies of JAt's letter and enclosure are provided for your review.
Very truly yours, I
kl9t l
l K.
A.
Ainger Nuclear Licensing Administrator l
/klj cc:
L. Olshan att.
193OK 8608040199 860730 PDR ADOCK 05000455 O(){m F
PDR (i
Fira Zone NFPA Reference Reccessend* tion #
Recommendation Comments Resolution 1.1-1 10-1-6.12 1
Verify that dry chemical extin-Unit i resolution Maximum ambient temp-1.1-2 guishers installed in the Con-given.
erature per Technical tainment Building will not be Specifications is 122*F.
exposed to ambient temperatures Since normal ambient
" exceeding 120*F.
will be lower, the temp-erature exposure to dry chemical extinguishers is minimal.
10.1-2 11 - 1983 2
10.2-2 2-4.3 All pipe fittings shall be American Unit I resolution is The design of the pipe Standard for the pressure class in-
- given, and fittings has been (Diesel Fuel 011 volved but not less than standard verified to be adequate Storage Rooms weight.
for the maximum oper-2A & 28) ating pressure of the 18.20-0 system.
(50,000 gal.
Outdoor FO Stae Tank) 18.20-0 11 - 1983 3
Only listed or approved Same as on Unit 1.
These systems are to 2-6.4.2 equipment and devices shall be operated manually, be used in these systems.
Use of non-listed The ASCO solenoid valves valves will not affect (cat. no. 8211-D2) are not system operability.
listed or approved.
Design is considered adequate.
3.1-1 12 - 1985 4
The control panel and manual Some as on Unit 1.
No relocation necessary.
3.1-2 1-8.3.4 system actution should be M&MPC accepted operator relocated to be accessible training for system ac-to the area protected. (Cable tuation, including lo-Tunnel) cation of manual pull stations.
9.1-1, 9.1-2 12 - 1985 5
The fuel supply to the diesel Same as on Unit 1.
No action necessary.
9.2-1, 9.2-2 1-8.3.8 generators and auxiliary diesel The continued operation 9.3-1, 9.3-2 feedwater pump should be shut of this equipment may 9.4-1, 9.4-2 off automatically upon system be necessary for oper-11.4A-1, 11.4A-2 actuation.
ating safety-related equipment.
Firs Zone NFPA Refarenc"a Recomunendation #
Reconsendition Comuments Retelution All 00 12 - 1985 6
Valves used in low pressure Unit i resolution No action necessary.
2 Systems 1-10.3.2 systems should wit.hstand a hydro-is given.
M&MPC has recognized static test pressure of 1800 psi the testing performed without permanent distortion.
for U.L. listing of the valves.
All CO 12 - 1985 7
Verify that all carbon dioxide Procedures call for Systems 1-11.2 systems will be thoroughly in-18-month surveillance.
spected and tested at least This is considered
- annually, satisfactory.
11.6-0 13-1985 8
Only approved devices should be Unit i resolution is Present valve ar-(Aux. Bldg 3-14.2.1 installed on sprinkler systems.
given.
rangement does not E1, 426'-0")
3-14.1.1 Shut-off valve is not listed, compromise system in-and is capable of being closed tegrity. UL listed in less than 5 seconds.
valves will not be installed. This is acceptable.
All zones 13-1985 9
Gauges on system risers shall Unit I resolution is Cauges with pressures 2-9.2.2 have a maximum limit not less
- given, of 300 psi are con-than twice the normal working sidered more than pressure.
adequate on the systems in the plant.
13-1985 10 A minimum of 18" clearance shall Same as Unit 1. The All recommended relo-4-2.5.1 be maintained under sprinkler existing sprinkler cations have been made.
- heads, configuration does not Systems reviewed by meet this requirement M&MPC and are considered in all areas.
acceptable.
No further action is required.
13-1985 11 Sprinklers shall not be located The existing sprinkler All recosamended relo-4-3.2.2 more than 20" below ceilings, configuration does not cations have been made.
meet this requirement Systems reviewed by in all areas.
M&MPC and are con-sidered acceptable.
T Fira Zone NFPA Ref7renc2 Recommend
- tion #
Recommendntion Comments Revolution 13-1985 12 Sprinklers should be extended Same as Unit 1. The All recommended relo
- 4-4.13 below obstructions greater than existing sprinkler cations have been made.
4' wide above hazards.
configuration does not Systems reviewed by meet this requirennt, M&MPC and are con-in all areas.
sidered acceptable.
All zones 13-1983 13 Sprinkler system fittings should Unit i resolution is The design of the 3-13.1.3 be examined to determine if they given.
pipe and fittings are of the heavy pattern type due has been verified to pressure on systems exceeding to be adequate by 175 psi.
Sargent & Lundy for the maximum operating pressure of the system.
14-1983-4-2.1 14 Verification should be
" Anderson Creenwood A review of the non-made to assure that Co." Valves and listed valves on dhe all existing angle others are Seismic standpipe was conduc-valves on the stand-
"N" stamped valves.
ted for Unit #1.
It pipe systems are U.L.
was determined the listed or F.M.
installation of non-approved.
listed valves would not affect the opera-bility of the stand-pipe hose station. The same resolution is con-sidered acceptable for Unit #2.
No further action is required.
14-1983-7-5.1.3 15 Verification should be Unit I resolution Sargent & Lundy Engineers made to assure that is given, reviewed the piping spec-fittings used on the ifications for Unit #1 and standpipe systems are determine that the piping
" extra-heavy" where system for the standpipes pressures exceed 175 could tolerate pressures psi.
in excess of 175 psi.
The Sargent & Lundy re-view was considered ac-ceptable by M&MPC. No further action is re-quired for Unit #2..
Fira Zone NFPA Reftr nct R';cosmend' tion #
Recommend-tion Comumente Rrrolution 14-2983-7-2.2 16 Verification should be Same as Unit 1.
A walkdown of the stand-made to assure that pipe system was conduc-isolating valves are ted for the safety re-provided on each stand-lated areas on Unit #1 pipe riser. Valves and Unit #2 with Sar-
~
should be arranged so gent and Lundy. A that when any standpipe number of valves is impaired, all other added to meet the standpipes will not intended requirement.
have their water supply No further action is interrupted.
regnired by M&MPC on Unit #2.
The design is considered acceptable.
14-1983-7-6.1.1 17 Verification should be Unit I resolution All piping hangars with-made to assure that all is given.
in safety related areas pipe hangers are of an were seismically designed approved type so they and reviewed by Sargent will sustain the loads and Lundy. Listing of and return the pipe in these hangars is not de-a secure position.
termined to be essential as the seismic qualifi-cations should meet or exceed a listed hangar configuration. No fur-ther action is required for Unit #2.
All 14-1983-4-7.1 18 The flowing pressures Unit 1 resolution Pressure reducers (Safety related) at hose outlets exceed is given.
will not be reinstalled.
100 psi each. Outlet Fire Brigade members shall be provided with are trained for an approved device to working pressure in reduce the pressure excess of 150 psi.
with required flow at Brigade training the outlet to 100 psi.
is document. This is considered adequate.
l No further action is required.
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Fir, Zone NFPA Refirenci Recommendation #
Recommend-tion Camusente Re'ettution All 14-1963-7-7.1 19 An approved 3 " dial This is the same The purpose of these spray pressure gage as Unit No. 1 gauges is to pro-should be provided vide a means to assure at the top of each adequate pressure standpipe. Gages shall requirements are met, be located in a suitable The normal operating '
place where water will pressures of the not freeze. Each gage Fire Protection will be controlled by a System have been valve having arrangements reviewed. Hydraulic 3
for draining.
calculations verify adequate system pres sures under service of short main out of services. Therefore, the gauges are not con-l sidered necessary.1he present design is ade-quate.
14-1983-4-1.1 & 4.3.1 &
Elevation No. 412 in Same as Unit No. 1.
A review of the 4-4.1 20 containment No. 1 is hose station coverage for adequately covered by elevation 412' of Unit hose connections from 1 was conducted. It was other levels. Elevation resolved that there was No. 412 does not have adequate protection any hose connection.
available from adjacent levels from within the j
Containment Building.
This same resolution is acceptable for Unit #2 No further action is required.
1 T
Fira Zone NFPA RefIrenca Recosamendation #
Recommend' tion Comments Re mlution All auto-15 - 1983 21 Viking Model D-5 deluge Same as Unit No. 1.
A pressure slightly matic water 2-5.1 valves are listed for above the rated working spray systems working pressures of 175 pressure would not be psi. The static pressure harmful to the equip-was approx. 180 psi on the ment. S& L review in-systems. Higher pressure dicates piping design fittings should be used.
is adequate. No fur-No further action is required.
All water 15 - 1983 22 Provide water spray test Same as Unit No. 1.
Procedure calls for spray systems 8-6 data to verify that under maximum 60 second delay.
test conditions heat de-This is considered tectors operate within 40 satisfactory due to seconds when exposed to inexact heat appli-standard heat test source.
cation. No further action is required.
All water 15 - 1983 23 Verify that water spray Same as Unit No. 1.
Test prccedures for spray systems 6-2.5 system control valves and various equipment calls automatic detection equip-for 18-month interval.
ment is tested at least This is considered
- annually, adequate.
All water 15 - 1983 24 Verify that manual tripping Same as Unit No. 1.
Test procedures are for spray systems 6-2.6 devices and valves for 18-month surveillance, water spray systems are This is considered operated at least annually.
adequate.
All water 15 - 1983 25 Verify that all spray nozzles Same as Unit No. 1 Procedures are for 18-spray systems 6-2.8 are visually inspected and month surveillance.
cleaned, if necessary, at This is considered least annually, adequate.
e All water 15 - 1983 26 Verify that a full flow test Same as Unit No. 1.
Flushing tests were spray systems 5-3.1 of each automatic and manual reviewed for those water spray system was con-systems not flow ducted.
tested. These were adequate.
3 T
Firm Zone NFPA Ref rene, Recosamendation #
Recommend tion Commente R:sslution All water 15 - 1983 27 Verify that provisions are Same as Unit No. 1.
Operators would spray systems 4-6.2 made for drainage of water manually open drains from the filter area during in the area upon operation of the water spray system operation.
All water 15 - 1983 28 Verify that all underground Same as Unit No. 1.
Underground mains and spray systems 5-1.1 mains and lead-in connections lead-in connections were flushed in accordance were flushed per ANSI with NFPA 15 prior to water standards. MfmMPC re-spray system connection.
viewed and found them acceptable with respect to NFPA 15.
All automatic water 15 - 1985 29 The solenoid switch manufactured Same as Unit No. 1.
The testing procedures spray systems.
2-1.2 by Automatic Switch Company and confirms component installed on the automatic water operability. No action spray systems should be U.L.
is necessary.
listed.
All water spray 15 - 1985 30 A suitable flushing connection System main drain tests systems.
2-13 should be incorporated into the will be performed which water spray systems to facilitate will flush piping up to routine flushing.
system piping.
All automatic water 15 - 1985 31 A gage connection should be The water spray systems spray systems.
4-9.2.5 provided at or near the nozzle do not present the calculated as having the least greatest hydraulic de-pressure under normel flow mand. If water supply conditions.
meets highest demand, it will supply water spray.
All water spray 15 - 1985 32 Main pipeline strainers should Same as Unit No. 1.
Strainers are provided zones but 8.6-0 4-11.1 be provided for al} systems upstream of the fire utilizing nozzles with water-pumps. Also, flushing ways less than 3/8-inch.
procedures will eliminate debris.
Firs Zone NFPA Refzrence Recommendation #
Recossendation Consents Rewrlution
~
11.7-0, 11.7-1, 15 - 1985 33 Individual strainers should be Same as Unit No. 1.
Strainers are pro-11.7-2, 18.4-2 4-11.3 provided at each nozzle where vided upstream of the r
3.3A-2, 3.3A-1 water passage ways are ses11er fire pumps. Also, than 1/8 inch.
flushing procedures will eliminate any i
- debris, j
j 10.1-2 16 - 1980 34 All component parts of the foam Same as Unit No. 1.
Listing of the A-20 10.2-2 2-1 water sprinkler system shall be activator valves is not (Diesel FO U. L. listed. H e A-20 activator considered necessary as I
Storage Ras is pneumatic but is hydraulically the system will be 2A & 28) supplied. Valves were noted to manually activated.
j be not listed. The Alison control A review of the non listed j
panel is not listed.
panels by S&L and M&MPC j
consider the panel equa11D reliable to the Alison 4
i panels that are listed.
j Preoperational tests l
verify panels function as designed. No further action is required. This I
is considered acceptable.
The design of the pipe fittings have been verified to be adequate by S&L.
10.1-2 16 - 1980 35 All pipe fittings shall be Same as Unit No. 1.
Rev1w of piping spect-10.2-2 4-3.3 listed for pressures fication by S&L indi-greater than 175 psig, cates piping is ade-4 quate for this pressure.
No further action is j
required.
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Fire Zone NFPA RefJrene, Recommend
- tion #
Recommend tion C - nta Resolution 18.11-2 30 - 1981 36 Tanks shall be equipped with an Byron station procedures (River screen 2-4.4.8 overflow device or means to pre-have been developed to i
house diesel (2) vent overflow into building. In adequately address spills.
storage tanks) this regard, a liquid overflow No further action is re-pipe at least one pipe size lar-quired. Thia is consid-ger than the fill pipe shall be ered adequate.
provided and connected to an ap-proved location.
9.3.2 37 - 1979 37 The liquid transfer connections Unit 1 resc.ution is Shut-off will not be per-9.4-2 5-5.3 beneath the liquid level of the given.
mitted for this equipment (EDG Day Tank 30 - 1981 tank shall be provided with since it is safety Room 2A & 25) 2-4.4.3 either (a) a normally closed,
- related, remotely activated valve, (b) an automatic closing heat-activated valve, (c) another i
approved device to provide for quick cut-off of flow in the
]
event of fire in the vicinity of the tank.
11.4A-2 37 - 1979 38 The liquid transfer connections Unit I resolution is Shut-off will not be per-(Unit 2. Aux.
5-5.3 beneath the liquid level of the given.
mitted for this equipment FW pump 30 - 1981 tank shall be provided with since it is safety j
Diesel room) 2-4.4.3 either (a) a normally closed, related.
]
remotely activated valve, (b)
I an automatic closing heat-activated valve, (c) another approved device to provide for quick cut-off of flow in the event of fire in the vicinity of the tank.
11.4A-2 37 - 1979 39 Tests should be performed on the Unit 1 resolution is A review and calculations 5-6.1 2" vent pipe to determine whether given.
were performed on this 30 - 1981 the long length of pipe will tank. The calculations 2-4.2 create back pressures in the were reviewed by M6MPC.
tank to exceed 2.5 psi when The present design is 73,700 CFM needs to be vented, considered adequate. No i
further action is required.
J I 1 i
Fire Zone NFPA Ref~ renes Recommendation #
Recommendation Commente Re w1ution 18.11-2 37 - 1979 40 The liquid transfer connections Unit I resolution is Shut-off will not be per-(Diesel fire pump 5-5.3 beneath the liquid level of the given.
mitted for this equipment F.O. storage tanks 30 - 1981 tank shall be provided with (a) since it is safety at river 2-4.4.3 a normally closed remotely ac-related.
screenhouse) tivated valve, (b) an automatic closing heat activated valve, or (c) another approved device to provide for quick cut-off of floor in the event of a fire in the vicinity.
9.3-2 37 - 1979 41 The tank should be equipped Unit i resolution is The fuel oil circulates 9.4-2 5-4.1 with (1) a high level alarm, given.
to storage tanks to 5.4.2 and (2) a high level shut-off, maintain full capacity.
Fuel does not overflow into room.
10.1-2 37 - 1979 42 The liquid transfer connections Unit i resolution is Shut-off will not be 10.2-2 5-5.3 beneath the liquid level of permitted for this (Diesel Fuel Oil) 30 - 1981 tank should be provided with equipment since it is Storage Roome 2-4.4.3 either (a) a normally closed safety related.
2A & 28) remotely activated valve or (b) an automatic losing heat activated valve or (c) another approved device to provide for quick cut-off of flow in the event of fire in the vicinity of the tank.
11.4A-2 37 - 1979 43 The tank should be equipped with Unit i resolution is Tank is manually filled.
5-4.1 (1) high level alarm, and (2) given.
Any overflow is piped 5.4.2 high level shutoff.
back to 25,000 gal, storage tanks. This is considered adequate.
Fir 7 Zone NFPA Ref7renca Recommendation e Recommend' tion Commenta Resolution 11.4A-2 37 - 1979 44 The overflow line (10 59A-1 ) to Same as Unit 1.
The return line and 5-4.2 the 2B in the diesel oil storage the fill line are the room should be increased in size same size (1 ").
A re-to 2".
review of this structure was ccnducted.
In-creasing the pipe size is not considered nec-essary. This pressure design is adequate.
10.1-2 37 - 1979 45 Supplement the 3" breather vent Unit I resolution is M&M has S&L calculation 10.2-2 5-6.1 (BV) with an emergency breather given.
justifying present design.
vent (EBV) adequately sized This design is con-to provide normal breathing sidered acceptable, and emergency relief venting in case of a fire.
72D - 1979 46 All devices, combination of de-Based upon a review by 2-2.2 vices and equipment constructed M&MPC and S&L of those shall be approved / listed for panels and preopera-the purpose intended. This tional, functional pertains to the unlisted tests, the panels are Alison Control Panels.
considered to be equiva-lent to the approved /
listed panels manu-factured by this manu-facturer. No further action is required.
72D - 1979 47 Provide separate distinctive Unit 1 resolution is The Unit 1 and Unit 2 4-3.1 trouble and alarm signals in the given. Signals used fire alarm panels are control room for Units No. I and for Unit 1 and Unit 2 not adjacent to one No. 2.
are not distinctive another in the Control from each other.
Room. It will be obvious to an operator responding to a fire alarm which unit is affected. The exist-ing design is con-l sidered adequate. No further action required.
Firs Zone NFPA Re f zrenca Recossmendation #
Recommendation Consents Remlution 72D - 1979 48 Automatic sprinkler system Unit i resolution is Upon receipt of a 3-6.2.2
' signals shall indicate dis-given.
trouble alarm, an opera-tinctively the particular tor is dispatched to function (valve position, the area and fire watch grounds, opens, etc.) of may be initiated until the sprinkler system which the trouble is cleared.
is abnormal.
This is considered acceptable.
72D - 1979 49 Upon receipt of trouble Unit i resolution is The authority having 4-7.3 signals, the control room given.
jurisdiction is not operator shall notify the notified when detection authority having jurisdic-equipment is out of tion where interruption of service for an extended normal service will exist period. Rather, the for more than four hours limiting conditions and provide written notice for operation are to the authority having specified in the jurisdiction when equip-Technical Specifica-ment has been out of tions, Section 3.3.3.8.
service for eight hours.
Additional fire pro-tection measures are specified for such cases. h is is con-sidered to be adequate.
No further action required.
72D - 1979 50 Automatic fire detectors Unit 1 resolution is Upon receipt of a 3-5.12 which have integral trouble given.
trouble alarm an contacts shall be wired on operator is dispatched the initiating device cir-to the area and a fire cuit so that a trouble watch may be initiated condition on one detector until trouble is will not impair the alarm cleared. h is is operation from other considered to be initiating devices.
acceptable. No further action required, action required.
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3 Fire Zone NFPA Ref renei Recossmend-tion #
Recoassendation Cossse'ts Resolution 72D - 1979 51 m en central station Unit I resolution is Bus 242 is a safety-2-6.2.3 primary power is provided given.
related ESF power from a commercial light Bus 232 (ESF Bus) is source. It is and power source and an the primary power normally fed from the engine drivea generator supply to the pro-system auxiliary storage batteries having prietary alarm systems.
transformer, but it the capacity to operate Bus 234 is the secondary also has a diesel the system under maximum power supply. Ar.
generator backup load for four hours shall impairment in Bus 242 in case of a loss-be provided.
could impair all sources of-offsite power.
of power to Bus 232.
In addition, a manual crosstie to Unit 1 Bus 142 is provided. This supply is as reliable as was intended by the NFPA code, and is considered to be acceptable as is. No further action re-quired.
72D - 1979 52 A separate power supply, Unit I resolution is Due to the high 2-6.2.4 independent of the main given. Trouble signals reliability of the power supply, shall be are fed from the primary primary power supply, provided for the operation
- source, as mentioned above, of trouble signals (may this is considered use the secondary power to be acceptable, supply).
No further action required.
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e Fire Zone NFPA Ref'renc, Recommendation #
Recommendation Comments Resolution 377, 380, 80 - 1983 53 Only labeled or listed doors Unit #1 resolution is The justification for '
434, 453, 1-6.1 shall be used.
provided.
the use of non-label l
474 doors "A construction" is contained on pages 2.1-8 and 2.1-9 of the FPR. No further action required. Doors 377, 380 and 434 are over-sized doors. Doors 453 and 474 are manufactured to the same specifica-j tions as "A" label doors.
i j
6, 25, 63, 80 - 1983 54 Weather stripping or gasketing Unit No.1 resolution Gaskets or weather 182, 183, 2-9 on fire doors frames shall be is provided.
stripping for air 320, 325, furnished only in accordance tightness does not 332, 334, with the published listings appreciably affect the 336, 378, of the doors, frame or gasket-fire resistance rating 379, 394, ing material manufacturer.
of the door. No further Exception, where acceptable action is required, to the authority having 403, 404, jurisdiction, gasketing of 405, 407, non-combustible or limited 408, 409, combustible material may be 410, 434, applied to the frame providing 435, 443, closing and latching of the 445, 446, door is not thereby inhibited.
447, 449, 451, 476, i
479 i
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Fire Zone NFPA Ref renc7 Recommendation #
Recosusendation Comments Resolution 4
502, 503, 504, 524, 525, 529, 539, 542, 544, 605, 606, 628, 629, 630, 631, 632, 633, 639, 650, 651, 683, 685, 698, 732 377, 380, 80 - 1983 55 Only labeled door frames shall Same as Unit Doors 377, 380 and 434 434, 453, 2-5.1 be used.
No. 1 are oversized doors.
474 Door frames 453 and and 454 are manufac-tured to the same specifications as "A" label door frames, h is is considered acceptable.
2, 6, SDIO 56 n e clearance between the door n e listed doors do not 10, 11, 16, 2-5.4 and the frame and between meet the 1/8" criteria, 17, 22, 25, meeting edges of doors swing-however are considered 30, 33, 35, ing in pairs shall not exceed to be with manufacturers 36, 39, 63, 1/8 inch.
tolerances for doors 64, 73, 77 and door frames as 114, 154, defined by the Steel 159, 207, Door Institute. n is is 210, 211, considered acceptable.
214, 330, No further action is 378, 379, required.
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e Fire Zone NFPA Refrrenci Recommendation e Recosusend' tion Cossents Resolution 406, 407, 410, 437, 443, 479, 562, 585, 595, 605, 606, 628, 629, 631, 633, 670, 672, 683, 685, 698 707, 724, 731, 761, 763, 770, 771, 772 i
- SD129, 80 - 1983 57 Holder / release devices shall Unit i resolution Security hardware is
- SD172, 2-8,5 be permitted in conjunction in given.
necessary for con-
- SD174, 2-8.8.2 with doors when acceptable trolled areas. Refer l
628, 631, to the authority having to page 2.1-9 of the 632 jurisdiction. Holder /
FPR. This is con-l release devices shall be sidered acceptable installed in accordance to M6MPC. No further with the manufacturer's action is required.
instructions and in con-formance with the individual manufacturer's published listings.
(NFPA3/10) l I
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