ML19338G621

Fire Qualification Test on Retrofit Penetration Seals.

ML19338G621
Person / Time
Site:	Prairie Island
Issue date:	06/30/1980
From:	Pish M SOUTHWEST RESEARCH INSTITUTE
To:
Shared Package
ML19338G618	List: ML19338G617 ML19338G621
References
TAC-11094, TAC-11095, NUDOCS 8010310371
Download: ML19338G621 (116)

Text

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, FINAL REPORT NSP gp% DUCl.E92 Y,SER' ACES CORPORAT10D

' l Northern States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401 Zr-~2"~T '~"~~~ ".~0="~~;C.~ra=C;." C'O JUNE 30,1980 l

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SOUTHWEST RESEARCH INSTITUTE h l~

SAN ANTONIO HOUSTON l

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Attachment Director of Nuclear Reactor Regulation October 24, 1980 Items 3.1.l(2), 3.1.1(4), 3.2.2(1), and 3.2.2(2)

Fire Barrier Penetration Seal Upgrading

, Northern States Power Company will upgrade fire 'sarrier seals in safety related areas of the Prairie Island plant to a rating at least equal to the worst case fire severity present on either side of each barrier. In addition, seals in the following arear will be upgraded to a 3-hour rating:

a. Area 66 barriers adjacent to turbine building

b. Area 69 and 70 barriers adjacent to auxiliary building

c. Elevation 735 auxiliary building barriers adjacent to turbine building

d. Area 61 barriers shared with the auxiliary building

e. Barriers between diesel rooms and auxiliary building

f. Barriers between safety related areas and turbine building not listed above A description of the testing program developed to qualify various methods of seal upgrading was provided for NRC Staff review and comment on November 30, 1979. Drawings of proposed seal upgrade methods were also submitted.

Three slabs of 12 inches thick concrete were constructed containing a total of 38 test penetrations. These penetrations were constructed to simulate the configurations of existing and proposed upgrade designs, including pairs of penetissions for non-symetrical configurations. The tes t penetra-tions include configurations like those in the plant and configurations like th *se in the plant with add-on fire seal materials covering the existing seal material. In some test penetrations a new seal material was substituted for that used in the plant.

The test slabs were subjected to a test by an independent testing laboratory to IEEE 634-1978, IEEE Standard Cable Penetration Fire Stop Qualification Test, which replaces ASTM E 119 for nuclear power plant cable penetrations and which uses the time temperature curve from ASTM E 119.

Summaries of the test reports for the three slabs are attached. The details of the test results are considered proprietary to Northern States Power Company because of the expense involved in conducting this program.

Complete reports are available on site for review by Inspection and Enforce-ment or other NRC personnel.

The reports have been reviewed in detail by our consulting engineer for this project. All penetrations in safety related areas of the plant will be surveyed. Where deficient, the seals will be upgraded with a qualified add-on modification or replaced with a qualified seal.

1-1

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i SIIMMARY On 20 March 1980, twenty-three block-out penetrations decigned by Nuclear Services Corporation for Nortbern States Power Company and installed by Insulation Consultants and Management Services (ICMS),

Incorporated and Southwest Research Institute were exposed to a three-hour fire endurance qualification test following the ASTM E119-76 time /

temperature curve.

The purpose of the test was to obtain a three-hour fire racing for existing referenced retrofit fire stop designs in~ accordance with ASTM E119-76 time / temperature requirements. In addition, a hose stream test as ' described in Appendix VI, Section 5.3.12 of IEEE 634 was to be applied.

Penetration seal construction consisted of vurious loaded cable tray and pipe sleeve openings sealed with ther=al insulating wool, bulk insulation fiber, silicone and polyurethane foams, insulating boards such as Marinite, and in sone cases, coatings were applied to the finished seals.

Test Attendees Conducting the test project:

Mr. Michael D. Fish, Project Manager, Test Engineer Mr. Al Schraeder, Senior Engineering Technologist, Test Coordinator Witnessing the test for Nuclear Services Corporation:

Mr. Bob Dille, Senior Consultant Witnessing the test for Northern States Pcwer Co=pany:

Mr. Donald R. 3rown, also witnessing the test were:  ;

Mr. J. R. Thomas, ICMS Mr. Mike I.. Stine, ICMS Mr. Cris R. Conner, Carboline Company l

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1 4

• I DESCRIPTION i

A series of twenty-three block-out cpenings were cast into the test slab. Three penetrations consisted of 14" x 42" cable tray open- ,

ings, and the remainder consisted of 6", 8", and 10" diameter pipe sleeve openings. A detailed description of each opening is contained in the discussion of the test slab construction, and the slab layout is shown in Figures 1 and 2.

All openings were cast into an 8' x 10' x 12" chick concrete slab. Once cured, the various penetration seal materials identified in Figure 3, and cabling as described in Appendix I were installed. , Basic cable loading is shown in Figure 4. The penetration seal materials were allowed to cu're' prior to the fire exposure test.

The test slab was placed on a horizontal furnace, and exposed to the standard ASTM E119 time / temperature curve. After three hours the test slab was lifted in a horizontal position for the hose stream test and then moved to an area adjacent to the furnace, where it was put on blocks to cool and view.

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O h TEST SLAB A. Construction A floor section form (8' x 10' x 12" chick) was constructed of 12" steel channel with a double mat of No. 8 rebar on 10" centers.

A series of twenty-three penetration openings were cast into the slab.

Three of the penetrations were 14" x 42" cable tray openings. Five penetrations consisted of 6" pipe sleeve pairs into which were sealed 50 percent fill cable bundles. Eight penetrations consisted of 8" pipe seals into which were sealed 50 percent fill cable bundles. Two penetratibns were 8" pipe sleeves with a 1" and a 2" conduit sealed therein. Four penetrations were 10" pipe sleeves with 3" pipes sealed within, and one penetration was a 10" pipe sleeve with a 5" steel pipe.

The concrete (f, = 3000 psi) was poured on 20 December 79 and cured for one week at 400'F, using an enclosure constructed for this purpose. After the concrete had cured, cable tray supports were welded to the basic framework. Details of the steel framing and slab layout are shown in Figure 5.

B. Penetration Loading All penetrations were loaded as defined by the Northarn States Power Company Specifications, Revision 3, dated 7 February 1980. Table 1 shows the type and number of cables used in each opening.

C. Sealing of Penetrations All penetrations were filled by ICMS and SwRI personnel using the materials defined in the referenced specifications, which are re-produced in Appendix I. A detailed listing of installation procedures used during the seal preparation also appears in Appendix I. Photographs 1-9 l

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• Cable P.anufacture; W :er 36 1 3/16 7 stnnds/ 24 Ckonate 4 c:nd.

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33 1 1/3 7 strands / 16 c:ntrol (7) Ck:ni:e 4 ::nd. cable wires 38 1 16 cond.s Centrol Cable inside F1:33M .

t 33 1 1/4 1 cond. 6 Genersi !!a::ric w/63 wires Super Corenal Oeoprene (1) outer cop- 250 .tC4 per sheath

D 1 3/16 7 strsnds/ 24 Ckenite 4 cend. '

19 1 3/16 7 strands / 24 Ckonite 4 cend.

7 1 1/16 7 strands / 68 Ckonite 4 cand. Ckocrene. 6 AMG cu 20C0 volts 3 1 1/16 7 strands / 51 Ckonite 4 c:nd. Ckoprese 1 19 strands / 13 Kerite 14 cond. Type 1 - 600 vol:

9 1 1/8 7 strands / 3 Besten Insula:ed 19 c:nd. !;r- at:3 - 600 vol:

Hyp - PC *LC-33 12 uG 7/1 7 strsnds 11 Bost:n Insu11:ed 12 c:nd. I:r- Wire $30 vol:

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.s . l TABLE 1 (Continued) f 3/4 7 stnnds/ 52 3cston Insulated i 9 cand. Epr. Wire - 600 voit l

Myp - 70 ef.0-33 12 AliG 6 3/4 20 st;sads/ 44 General Elect-ic 12 cand. 600 voit 1 1 1/4 37 st snds/  :: Genersi !!ect:1:

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12 cond. 600 volt 2 1 3/16 7 strands / 21 Ckonite 4 cand. 600 voit 4 1 1/16 39' strand.s/ :3 Urucsom Single cand.

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taken during the course of seal installation are shown in Appendix II.

Quality Control documents are in Appendix III. Drawings of the pene-tration assemblies ajpear in F'gures 6 through 29.

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• TEST FACILITY The floor penetration assembly fire resistance test was conducted using a horizontal furnace with an open area of 8 x 10 ft. (See Figure 30). A flue gas opening was provided on one end. Eight (8) Maxon self-aspirating -burners were mounted in the sides of the furnace. Eight (8) ,

furnace temperature thermocouples were located 2-1/2 f t inside each wall at 2 foot centers with the first pair of thermocouples 1-1/2 ft fron i the flue end of the furnace at the 24 inch elevation. Eighty-seven (87) ther= occupies on the unexposed side and imbedded in the seal materials of the s2bject penetration seals were connected to multi-point tem-I perature recorders with a range of zero to 2000*F and a digital printout of 60 points per minute. (See Appendix IV and V). All gas flow to the hirners was controlled manually and continuously indicated by the average of six furnace temperature thermocouple readings taken at 12 inches from the exposed specimen surface. These average temperatures are shown in Figure 31 and Table 2. The temperatures recorded from the imbedded and unexposed side thermocouples are shown in App c.!!x IV.

Since the test was conducted outdoors, a building was erected around the furnace to meet ASTM E119 standards. This structure was adequate to prevent excessive air currents over the unexposed surface--

of the slab. The outside temperature was approximately 68'F at the start of the test.

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TEST PROCEDURES The prepared floor penetration slab with fire stop materials in place was pt::ca in position on top of the farnace. The temperature multi-point recorders were turned on, natural gas was supplied to the burners, ignited, and the test clock was started. The uncxposed surface was continually observed for penetration by flame or hot gases and its temperature monitored, by using the multipoint recorders. At the end of the three hour fire exposure period, the fuel gas was shut off and, as quickly as possible, the enclosure building was removed and the test slab was 'lif ted from the furnace, remaining in a horizontal position.

A 30* spray stream supplied from a 1-1/2 inch fire hose with a spray scream setting and 75 rst nozzle pressure and 75 gpm delivery was then directed at the floor penetrat' ion fire stops from a distance of 10 feet to conduct the hoee strean test. This hose stream test is identified on page 13, Section 5.3.12 of IEEE 634-1978 (see Appendix VI) and is The required co=monly referred to as the "NEL-PIA Hose Stream Test."

hose stream application tLme for penetrations installed in a 10 x 8 f t slab was 2 minutes. The time / temperature record of the test is shown in Figure 31 and Table 2. Figures 30 and 32 show an exploded view of the test setup.

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b TEST RFSULTS D((9 A. Observations The fellowing are observations =ade during the fire exposure cast, :he hose stream test, and the post-test inspection.

TABLE 3 - TEST OBSERVATIONS Tsst Time Event

-0:05 Furnace loaded, systems ready. Moderate wiad, clear skie s. Temperature approximately 68

• F.

0:00 Surners on, Timer on, recceders on, Star: Tes:

0:05 Temperature 880

• F 0:10 Tempera:ure I L20

• F 0:15 Temperature 1245

• F Heavy smoke 0:20 Temperature 13 l5 'F Wind affecting burne rs '

0:25 T empera:ure 1380

• F Within - 10%

0:30 Tempera:ure 15 tS

• F 0:35 Temperature 1556 *F Erecting wind shield 0:40 Tempera:ure 1603 *F Catching up to Normal Curve 0:45 Tempera:ure 1630 *F Right on curve Tempera:ure 1638'F 0:50 0: 2 iemperature I670 *F 1:00 Tempe rature 1677 'F Stable 1:10 Temperature 1735

• F Right on curve 1:20 Temperature 1768

• F Smeke from cable trays 1:30 Temperature 1792

• F Smcke also through Pl6 and Pl7 L:40 Temperatur e 1815

• F Stable, right on curve 1:50 Temperature 1837

• F 2:00 Temperature 1349'F 2:10 Temperature 1374

• F Slightly abcve norm 2:20 Temperature 1880

• F 2:30 Temperature 1392

• F Scable 2:40 Temperature 1918

• F 2:50 Tempers:ure 1922

• F 3:00 Te=pera:ure i933 *F 3:02 End of fire :es:

3:C6 Frctec:ive cover remcved 3:10 Slab hooked up :c lii:

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1-20

e Post Test Observations 1.

There was no passage of flame through any penetration during the fire exposure test.

2.

There was passage of light smoke through the seals, but smoke coming through was cool to the touch.

3.

There was no passage of water or flame through any penetration during the hose stream test.

B. Summary of Test Results A fire stop shall be considered as meeting the requirements far acceptable performance when it remains in the opening during the fire endurance test and hose stream test within the following limi-tations:

1. The fire stop shall have withstood the fire endurance test without permitting the passage of flame, or the occurrence of flaming on any element of the unexposed surface of the assembly for a period equal to the hourly classification for the fire stop.

2. The fire stop shall have withstood the fire endurance test and hose stream test without developing an opening that would permit a projection of water from the stream beyond the unexposed surface.

3.

The transmission of heat through the fire stop during the fire endurance test for any recorded temperature on its unexposed surface shall not exceed 700 F'on penetrations involving cable.

Accordingly, the following shows the performance of the pene-trations for the test period of three hnurs as documented in the test observations and in Appendix IV.

1-21

TABLE 4 TE3T RESULTS i Penetration Condition Numbe r 1 2 3 P1 Pass Pas s Pas s P2 Pas s Pass Pars P3 Pass Pass Pas s P4 Pass Pass. Pass P5 Pass Pass Pass P6 Pas s Pas s Pass P7 Pas s Pass Pas s P8 Pass Pass Pas s P9 Pass Pass Pass PLO Pass Pass Pass Pil Pass Pas s Pas s, P12 Pass Pass Pas s P 13 Pass Pass Pass Pl4 Pass Pas s Pass P15 Pass Pass Pass P16 Pass Pass Pass PIT Pass Pass Pass Pl9 Pas s Pass Pass P20 Pass Pas s Pass P21 P as s Pass Pass P36 Pass Pass Pass P37 Pass Pass Pass P38 P as s Pass Pas s 1-22

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To verify the condition of the~ penetration seals after the test, an examination was made to determine the char depth, the depth of any remaining insulation material, such as the urethane foam and TIW, and the condition of the coatings and insulation boards. The results of this examination are shown in Figures 33 through 55. Photographs pf the fire exposure period, the hose stream test, and the post test con-dicion of the penetrations can be found in Appendix II.

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SLAB NO. 2 w .vly W:.w;7:.;g

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l FINAL REPORT NSP eh DUCLERR

d. SERV!CES CORPORAT10Il Northern States Power Company W 414 Nicollet Mall Minneapolis, Minnesata 55401 l

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JUNE 30,1980 Ch UW[

H j -s SOUTHWEST RESEARCH INSTITUTE l

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SAN ANTONIO HOUSTON 1-24

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SUMMARY

On 24 March 1980, nine block-out penetrations designed by Nuclear Services Corporation (NSC) for Northern States Power Company and install-ed by Insulation Consultants and Management Services (ICMS), Carboline Co.

and Scuchwest Research Institute (SwRI) were exposed to a three-hour fire endurance qualification test following the ASTM E119-76 time / temperature curve.

The purpose of the test was to obtain a three-hour fire rating for existing referenced retrofit fire stop designs in accordance with ASTM E119-76 time / temperature requirements. In addition, a hose stream test as described in Appendix VI, Section 5.3.12 of IEEE 634 was to be applied.

Penetration seal construction consisted of various loaded cabla tray and pipe openings filled with thermal insulating wool, silicone and poly-urethane foams, marinite board, and in some cases coatings were applied to the finished seals.

TEST ATTENDEES Conducting the test project:

Mr. Michael D. Pish, Project Manager Mr. Al Schraeder, Senior Engineering Technologist, Test Coordinator Witnessing the test for Nuclear Services Corporation:

Mr. Bob Dille, Senior Consultant Witnessing the test for Northern States Power Company:

Mr. Don R. Brown Also attending the test were:

Mr. Cris Conner, Carboline Co.

Mr. Mike Stine, ICMS

> .s 1-23

DESCRIPTION A series of nine openings were cast into the test slab. Two penetrations consisted of 48" x 36" cable tray openings; six penetrat-ions were each 14" x 14" blockout openings; and one penetration con-sisted of a 6 inch conduit pipe opening. (See Figures 1 and 2).

All penetrations were cast into an 8 ft. x 10 ft. x 12 in. thick concrete slab. Once cured, the various penetration seal materials and cabling as described in Appendix I were installed. (See Figure 3.)

These were allowed to cure prior to the actual test.

The test slab was placed on a horizontal furnace and exposed to the standard ASTM E119 time / temperature curve. After three hours the test slab was lif ted in a horizontal position for the hose stream test and then moved to an area adjacent to the furnace, where it was put-on blocks to cool and view.

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C. ISLE,50 % FILL lSLAN C CSLE, 7C % FILL Figure 3. Penetration Loading 1-29 l

TEST SLAB A. CONSTRUCTION A floor section form (8 ft. x 10 ft. x 12 in. thick) was constructed of twelve inch steel channel with a double mat of No. 8 rebar on ten inch centers. A series of nine penetration openings were cast into the slab, Six were 14 inch x 14 inch cable tray openings; one was a 6 inch diameter conduit pipe opening; and two were 12 square ft. cable tray openings, 3 ft. x 4 ft.

The concrete (f = 3000 psi) was poured on 20 December 1979 and cured for one week at 400 F, using an enclosure constructed for this purpose.

After the concrete had cured, cable tray supports were welded to the basic framework. Details of the steel framing are shown in Figure 4.

B. FENETRATION LOADING All penetrations were loaded as defined by the Northern States Power Company Specifications, Revision 3, dated 7 February, 1980.

Table I shows the type and number of cables used in each opening.

C. SEALING OF PENETRATIONS All penetrations were filled by ICMS and SwRI personnel using the materials defined in the Northern States Power Co. Specification. The Specification is reproduced in Appendix I. A detailed listing of in-sta11ation procedures used during the seal preparation also appears in Appendix I. Photographs taken during the course of seal installation are shown in Appendix II. Quality Control documents are in Appendix III.

Drawings of the penetration assemblies appear in Figures 5 through 14.

1-30

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~ 1 3' sa.g.

e UMraq

/ r=,.

/ -Muv e o

I:.y 1

"a,qsag

'2" CHA Nu g l

Figure 4* 3chematic of Slab Layout l

l 1-31

3 Jd e I - .

TABLE 1 TYPE AND NUMBER OF CABLES USED St>3 Nt.St3ER 2 30 7/8 20 strands / 6 Kerite 9 cond. Type 1 600 volt 18 1 7 strands / 13 Chonite 6 pr. : cond. 600 volt

S 5/8 5 strands / 4 Seston Insulated 7 cond. 600 voit 7/8 *0 strands / 14 Kerite 9 cond. Type 1600 volts

S $/8- 8 strands / s loston Insulated 7 cond. 600 voit 7/3 20 strands / 14 Kerite 9 cond. Type 1 600 volts 2: 7/S 20 strsads/ 14 Karite 9 cond. Type 1 600 volts 5/8 7 strands / 4 Boston Insulated 7 cand.

23 5/S 7 strands / 4 Boston Insulated 7 cand.

7/S 20 strands / 14 T.erite 9 cond. 7ype 1 600 volts

• 4 5/5 7 strands / 4 Soston Insulated 7 cand.

7/5 20 strands / 14 Kerite 9 cond. Ty7e 1 600 volts 23 1st tray 3/4 20 strands / 163 Kerite 7 c:nd. Type 1 600 volts nd trsy 7/3 7 strseds/ 90 Cenerst Electric 27 cdad. Polyethelene Flamenol Control

'9 1st trsy 3/4 :D strands / 170 Kerite 7 cond. Type 1 600 volts

• nd tray 1 1/4 65 strsads/ 20 General Electri:

w/ copper ring Super Control single cand. Geoprene 1 1/4 36 st sads/ *O t.htknown w/ copper ring single cond.

1-32

TEST FACILITY The flocr penetrativn assembly fire resistance test was conducted using a horizontal furnace with an open area of 8 x 10 ft. (See Figure 15). A flue gas opening was provided on one end. Eight (8) Maxon self-aspirating burners were mounted in the sides of the furnace. Eight (8) furnace temp-erature thermocouples vera located 2 1/2 ft. inside each side wall at 2 ft. centers with the first pair of thermocouples 1 1/2 ft. from the flue end of the furnace at the 24 inch elevation. Thirty-four (34) thermocouples on t~e unexposed side and imbedded in the seal materials of the nit a subject penetration seals were connected to multi-point temperature recorders with a range of 0 to 2,000*F and a digital printout of 60 points per minute. (See appendix IV and V). All gas flow to the burners was controlled manually and continuously indicated by the average of six furnace temperature thermoccuple readings taken'at 12 in. from the exposed' specimen surface.

These average temperatures are shown in Figure 16 and Table 2.

The temperatures recorded from the imbedded and unexposed side thermocouples are shown in Appendix IV.

Since the test was conducted outdoors, a building was erected around the furnace to meet ASTM E119 standards. This structure was adequate to prevent excessive air currents over the unexposed surface of the slab. The outside temperature was approximately 60*F at the start of the test.

1-33

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g Figure 15. Test Furnace 1-34

QUADREX SL AB 2 - FURNACE AVERAGE 4

+ FIENACE AVEPAGE A E119 STD C'R/E 2500__ v E119 + 10% , = E119 - 10%

2000- - -

y_

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=

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l l l l  :.  :

0 20 40 60 80 100 120 140 160 180 TIME (MINUTES)

TEST DATE: 24 MAR SO PROTECT NO. 03-5917-001 Figure 16. E119 Furnace Temperature 1-35

DE Yd" tast.I 3 ,

Jhlf3)9D0 JP m ~ b N ' 4 f11 " LL, AST/. I119 Ti=a/Ta=cora:ure Cur ro I

l l S ca= car:! l l [ l

• 1:e I C u--r e  ! -10* I A::uai I 6'0" l * ' e' O 70_ __ 63 65 77 0 1 i " - t 130 i i 220 1 1i 2 i ' .- e i 360 I i 440 1 2i 3 I .00 i 540 I i 660 1 3L 4 i SCO I 720 i I 330 i et 5 l 1000 1 900 1 501 1 1100 1 56 6

1100 1 990 l' i 1212 1 61 7 1150 i 1035 i i L265 1 7I 3 8 1200 i 1030 i i 1320 6 3i 9 i 1250 i 1125 I i 1375 i 91 10 i 1300

• 1170 i ile0 i 1430 i 10 i l 11 1 1320 1133 i e 1452 i 11 i l 12 8 1350 i L206 i i 1474 8 12 I I 13 1 1360 4 1224 I i 1496 i 13 i l 14 6 1330 i 1242 I i L513 i 14 15 i 1399 t 1259 1 1303 6 1539 1 15 16 i 1414 i 1274 i i 1555 i 16 !

17 1 1429 t 1286 i i 1572 1 17 i 13 1 1435 6 1291 1 1 1579 i 13 6 19 6 1450 t 1305 I i L59 5 l 19 i 20 1 1462 i 1315 I 1444 i 1608 I 20 1 21 i 1474 t 1327 i i 16 " "

'~

22 1 1436 i 1337 I i 1635 i 22 23 i ~1498 I 1343 i i 1643 1 23 1 24 1 1500 1 1350 i i 1650 1 24 i 25 i 15 10 i 1359 i 1541 1 1661 6 25 1 26 i 1520 i 1363 I i 1672 6 26 i 27 l 1523 i 1375 6 i 1631 8 27 i 2S I 1537 l 1333 I i 1691 i 28 l 29 6 1541 1 136, I i 1695 1 29 i 30 1 1550 i 1395 i 1602 i 1705  ! 30 i 35 1 1534 i 1425 i 1617 i 1742 i 35 I 40 1 1613 i 1452 i 1624 1 1774 i 40 i

' 45 i 1630 i 1467 i 1626 i 1793 1 45 3 50 6 1661 1 1495 i 1642 i 1327 i 50 i 55 i 1631 1 1513 i 1672 I 1349 i 55 i

, 60 l 1700 1 1530 I 16G0 1 1370 6 60 e 65 i 1713 i 1546 8 1712 i 1390 55 1 70 1 1735 i 1561 i L731 i 1909 i to I 75 i 1750 i 1575 + [754 i 1925 6 75 i I 30 i 1765 i 153G i L7e8 +

1941 i i01 6 35 i 1779 l 1601 i 177e i 1957 ' 35 i 90 1 1792 i 1613 i 1723 i 1971 i 90 6

, 95 i 1504 i 162a .

1737 i 193a i 95 i II:0 1 1315 8 1633 i 121- i 1994 i :00i 105 i 1526 + 1643 i 1227 i 2009 i 10 5 i

,11 1 1335 i 1651 i 1933 1 2019 110 i 1115 i 1943 t 1659 l 1837 1 2027 i 113 '

'120 i 1350 i 1665 i teso i 2035 i 120 130 t l'56; i 1676 i 1656 i 2:43 i 130 140 i is75 . 1637 i !274 i 2063 '

140 ,

>15 0 1533 i 1699 i 1:a: i 207' i 150 P. 60 . 1900 '71:

. I i403 1 2C90 i lic

• 1 'O 1912 i 17:1 i 1005 ' :103 i 177 -

-lic i 1925 . 1733 l910 '

2117 i 13C I l-36

. o TEST PROCEDURES The prepared floor penetration slab with fire stop materials in place vs.s placed in position on top of the furnace. The temperature to multi-point recorders were turned on, natural gas was supplied the burners, ignited, and the t___ alock was started. The unexposed surface was continually observed for penetration by flame or hot gases and its temperature monitored, by using the multipoint recorders.

At the. end of the three-hour fire exposure period, the fuel gas was shut off and as quickly as possible the enclosure building was re-moved and the test slab was lifted from the furnace, remaining in a horizontal position. A spray stream supplied from a 1-1/2 inch fire hose with a 30' spray stream setting and 75 psi nozzle pressure and 75 gpm delivery was then directed at the floor penetration fire stops This hose from a distance of 10 feet to conduct the hose stream test.

stream test is identified on page 13, Section 5.3.12 of IEEE 634-1978 l

(See Appendix VI) and is commonly referred to as the "NEL-PIA Hose Stream Test". The required hose stream application time for penetrations installed in a 10 x 8 ft. slab wzs 2 minutes. The time / temperature re-cord of the test is shown in Figure 16 and Tablt 2. Figures 15 and 17 1

show an exploded view of the test setup.

1-37 1

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A TEsr SLAB (7'YP/CA !.)

3 FOS / ACE E17t.NSC4' SLEEVE C Cf Figure 17. Test Assembly 1-38 l

TEST RESULTS A. TEST OBSERVATIONS The following are observations made during the fire exposure test, the hose stream test and the post-test inspection.

TABLE 3 - TEST OBSERVATIONS  ;

Test Time Event 0:00 Burners eb, timer on, recorders on, Start 0:05 Light smoke / steam, primarily from arcur.d slab edges.

Temperature lagging slightly, 80l* F.

0:10 Temperature ll60

• F - Check burner supply 0:15 Temperature 1303 *F

- Better temp rise 0:20 Temperature 1444* F - On curve 0:25 Temperature 1541

• F - Getting slightly ahead 0:30 Temperature 1602* F - Back off on burners 0:35 Temperature 1617'F 0:40 Temperature 1624* F Light smoke on unexposed side. Largest concentration still from around slab edges.

0:45 Temperature 1626 *F ' - Furnace stable 0:50 Temperature 1642

• F 0:55 Temperat:tre 1672 *F 1:00 Temperature 1699'F 1:05 Temperature 1712

• F 1:10 Temperature 1731

• F 1:15 Temperature 1754* F 1:20 Temperature 1768'F 1:25 Temperature 1776 *F 1:30 Temperature 1793 *F 1:35 Temperature 1797'F 1:40 Temperature 1817'F Light smoke from unexposed side, mainly from P29 and P30. Smoke cold to touch. Bulk of smoke from around slab edges.

1:45 Temperature 1827'F 1:50 Temperature 183 3

• F 1:55 Temperature 1837'F 2:00 Temperature 1855'F Same smoke characteristics as at 1:40 Furnace smooth, right on curve.

2:10 Temperature 1855 'F 2:20 Temperature 1874* F 1-39

~ --

I TABLE 3 - TEST OBSERVATIONS (CONT'D)

Test Time Event 2:30 Temperature 1885'F 2:40 Temperature 1903*F 2:50 Temperature 1908'F 3:00 Temperature 1920*F End of fire test 3:05 Protective building removed 3:08 Slab Hooked and removed to hose stream test 3:10 Hose stream cest 3:12 End of Hose Stream Test Post-Test Observations

1. All nine seals did not allow the passage of flames during the fire test.

2. Light smoke did pass through, primarily through P28 and P29, but smoke was cold to the touch.

3. All penetrations did not allow the passage of water during the hose stream test.

B.

SUMMARY

OF IEST RESULTS A fire stop shall be considered as meeting the requirements for acceptable performance when it remains in the opening during the fire endurance test and hose stream test within the following limitations:

1. The fire stop shall have withstood the fire endurance test without permitting passage of flame, or the occurrence of flaming on any element of the unexposed surface of the assembly for a period equal to the hourly classification for the fire stop.

2. The fire stop shall have withstood the fire endurance test l

and hose stream test without deveieping an opening that would permit a l

l projection of water from the stream beyond the unexposed surf ace.

l l

l-40 l

3 The transoission of heat through the fire stop during the endurance test for any ::cerded temperature on its unexoosed surface shall not exceed 700*F on penetrations involving cable..

Accordingly, the following shows the performance of the pene-trations for the test period of three hours as documented in the test observations and in Appendix IV.

Condition Penetration 1 2 3 Number P18 Pass Pass Pass P22 Pass Pass Pass Pd3 Pass Pass Pass P24 Pass Pass Pass P25 Pass Pass Pass P26 Pass Pass Pass P28 Pass Pass Pass P29 Pass Pass Pass P30 Pass Pass Pass To verify the condition of the penetration seals after the test, an examination was =ade to determine char depth, the depth of remaining foam and TIW, and the condition of the coatings and insulating boards.

The results of this examination are shown in Figures lo through 26.

Phr.ographs of the fire exposure period, the hose stream test and the post-test observations can be found in Appendix II.

1-41

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, SLAB NO. 3

\ -

+

. si.5 :;xygdg- mgggy;;W by Michael D. Pish FINAL REPORT NSF.

% DUC1.E.92

'~, SER'1!CES CORPOR.9710D l -

Northern States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401 Z C l % = .~~~,l'. C C C ;":'",,0.' ~ 1: 2 0 '"." r l" JUNE 30,1980 i

/ R< ,y SOUTHWEST RESEARCH INSTITUTE p! ,

g // SAN ANTONIO HOUSTON w

1-42

i l

SOD'.ARY on 25 March,1980, six block-out penetrations designed by Nuclear Services Corporation for Northern States P;wer Company and installed by Insulation Consultants and Management Services (ICMS), Carboline Co.

4 and Southwest Research Institute were exposed to a three-hour fire en-durance qualification test following the ASTM E11^-76 time / temperature curve.

The purpose of the test was to obtain a three-hour fire rating for existing referenced retrofit fire stop designs in accordance with ASTM E119-76 time / temperature requirement . In addition, a hose stream test as described in Appendix VII, Section 5.3.12 of IEEE 634 was to be applied. ,

Penetration seal construction consisted of various loaded cable tray and pipe openings filled with thermal insulating wool, silicone 4

and polyurethane foams, marinite board, and in some cases coatings were applied to the finished seals.

TEST AT ENDEES Conducting the test project:

Mr. Michael D. Fish, Project Manager, Test Engineer Mr. Al Schraeder, Senior Engineering Technologist, Test Coordinator Witnessing the test for Nuclear Services Corporation:

Mr. Bob Dille, Senior Consultant.

Witnessing the test for Northern States ?cwer Company:

Mr. Don R. Brown Also attending the test was:

Mr. Mike Stine, ICMS 1-43

DESCRIPTION A series of six penetration openings were cast into the test slab.

Three penetrations consisted of 30" x 45" cable tray openings; two penetrations were each 14" x 42" cable tray openings; and one pene-tration was a 10 inch diameter pipe sleeve. (See Figures 1 and 2).

All penetrations were cast into an 3 ft. x 10 ft. x 12 inch thick concrete slab. Once cured, the various penetration seal materials and cabling as described in Appendix I were installed. Basic cable load-ing is shown in Figure 3. The penetration seal macerials were allowed to cure prior to the actual test.

The test slab was placed on a horizontal furnace and exposed to the standard ASTM E119 time / temperature curve. After three hours the test slab was lif ted in a horizontal position for the hose st:,eam test and then moved to an area adjacent to the furnace, where it was put on blocks to cool and view.

I i

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1-44 l i

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Figure 1. Slab Layout and Penetration Identification I

1-45 e

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SiEc_Tt o M L-A Figure 2. Reinforcing Detail 1-46

)

i MON 7lfELLC 50 % FILL ,

--MCN TI' E1 LC SC ", FI LL ,

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-(N0 CAPPED)

CA?LE Figure 3. Penetration Loading 1-47

TEST SLAB A. Construction A floor section form (8 f t x 10 ft x 12 in thick) was constructed of twelve inch steel channel with a double mat of No. 8 rebar or ten inch centers. A series of six penetration openings were cast into the slab. Three of the penetrations were 30" x 45" cable tray openings; two were 14" x 42" cable tray openings; and one was a 10" diameter (Sch. 40) pipe sleeve into which was sealed a capped 3 inch steel pipe.

The concrete (f, = 3000 psi) was poured on 20 December, 1979 and cured for one week at 400*F, using an enclosure constructed for this purpose. After the concrete had cured, cable tray supports were welded to the basic framework. Details of the steel framing and slab layout are shown in Figure 4 B. Penetration Loading All penetrations were loaded as defined by the Northern States Power Company Specifications, Revision 3, dated 7 February,1980.

Table 1 shows the type and nunber of cables used in each opening.

C. Sealing of Penetrations All penetrations were filled by ICMS, Carboline and SwRI personnel using the materials defined in the Northern States Power Co. specifica-tions. The specification is reproduced in Appendix I. A detailed list-ing of installation procedures used during the seal preparation also appears in Appendix I. Photographs taken during the course of seal in-l

\ stallation are shown in Appendix II. Quanlity control documents are in l

Appendix III. Drawings of the penetration assemblies appear in Figures 5 throuf,h 11.

1-48 l

ad ,

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\ SL .c

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N% >

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$ T E E L l'I P E,

-12" cHwN EL SLEEVE Figure 4. Schematic of Slab Layout 1-49

c TABLE 1 SIZE MiD TYP! CF C.ULE PER PENETRATICN PROJEC* NC. 03-5917 St.A8 NutBER 3 33 Pipe 34 1 1/4 62 strands / 24 Unknown w/ copper ring single cons.

7/8 7 senads/ 30 9 cond. Seston Insulated w/ carton core 27 1 1/4 62 strands / 1 Otknown w/ ring single cond.

I 1/3 7 stn nds/ 3 20 cond. Boston Insulated FPR-inP 1

7 strands / 33 Ckonite 6 pr. cond.

carbon core 3/4 7 strands / 29 7 cond Soston Insulated 600 volts 5/8 20 strands / 3 single cond. Ckonite 31 1st tray 11/16 7 strands / 124 Urtknown 2 cond.

w/ ring 2nd tray 9/16 7 strands / 6 Unknown 2 cond.

w/ ring 1

7 strands / 43 Unknown 12 cond.

3rd trsy 7/8 7 strands / 23 Unknown 27 cond.

5/3 7 strands / 74 3 cond. Anaconda Fisme Cuard IrJ 5/8 7 strands / 27 19 cond. General Electric w/ ring California 69 1-50

Dg P 'D] D ~% [h j e j\1 ef. L 3 J's i

T ABl.E 1, continued '

4th tray 1 1/4 64 strands / 30 Unknown w/ ring single cond.

32 1st tray 1/2 7 strands / 6 Unknown 2 cond.

1 7 strands / 48 Ur.known 10 cond.

2nd tray 1/2 7 strands / 6 t,hknown 2 cond.

w/ ring 1 7 strands / 48 L%known 12 cond.

3rd t:sy 5/8 7 strands / 1:3 General Electri:

5 cond. Polyer*flene 4th t;sy 1 1/4 64 strands / 30 Lhknown single cond, w/rlag 1 7 strands / 3 Unknown 7 ps, w/ ground 33 1st tray 5/3 7 strands / 138 General Electric 5 cand. Polyethylene 2nd tsay 5/8 7 strands / 138 General Electric 5 cond. Polyethylene 3rd t;sy 5/3 7 st sads/ 22 General Electric 5 cond. Polyethylene 1/2 7 strands / 16 Ckonite

cond.

3/4 13 strands / 75 Essex - 12 AWG IPR 7 cond. 600 volts 4th tray 3/S 7 strands / 53 General Electric 5 cond. Polyethylene 1 7 strands / 13 Ckonite I 6 pr. cond. ,

w/grouns carton core 1 1/4 60 strands / 13 Unknown w/ ring single cond.

1-51 i

TEST FACILITY The ficor penetration assembly fire resistance test was conducted using a horizontal furnace with an open area of 8 r 10 8:. (See Figure 12). A flue gas opening was provided on one end. Eight (8) Maxon self-aspirating burners were mounted in the sides of the furnace. Eight (8) furnace temperature thermocouples were located 2-1/2 f t inside each side wall at 2-ft centers with the first pair of thermocouples 1-1/2 ft from the flue end of the furnace at the 24 inch elevation. Thirty-one (31) thermocouples on the unexposed side and imbedded in the seal mat-erials of the six subject penetration seals were connected to multi-point temperature recorders with a range of 0 to 2,000*F and a digital printout of 60 points per minute. (See Appendix IV and V). All gas flow to the burners was controlled manually and continuously indicated by the average of six furnace termperature thermoccuple readings taken at 12 in, from the exposed specimen surface. These average temperatures are shown in Figure 13 and Table 2. The temperatures recorded from the imbedded and unexposed side thernocouples are shown in Appendix IV.

Since the test was conducted outdoors, a building was erected around the furnace tc meet ASTM E119 standards. This structure was adequate to prevent excessive air currents over the unexposed surface of the slab. The outside temperature was approximately 70*F at the start of the test.

1-52

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noui I14"DIA(GPUCES)

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Figure 12. Test Furnace i

)

1-53

QUADREX SLAB 3 - FURNACE AVERAGE

• FUtNACE AVERM5E A E119 STD QJtvE 2500__ v EMS + is e EMS - 1M 2000--

= -

=_ _

~ 1500 5

1000__/

500-0 l l  ;  ;  ;  ;  ;  ;

O 20 40 60 80 100 120 140 160 180 TITE (t11MJTES)

Test DATE: as req es PROJECT NO. 03-5917-001

' Figure 13. El19 Furnace Temperature l

1-54 )

TA3LE 2 ASTM E119 Ti=a/Tcmperatura Curva Scandard Ti=e Curve -10% Actual +10: Ti=e 0 70 63 73 77 0 1 6 200 1 130 1 1 220 1 1 2 1 400 1 360 I i 440 1 2 3 I 600 1 340 I I 660 1 3 4 I 800 6 720 I I 880 1 4 5 6 1000 4 900 1 563 i 1100 1 5 6 l 1100 1 990 1 6 1212 l 6 7 I 1150 1 1035 I i 1265 6 7 8 6 1200 I 1080 1 1 1320 i 8 1250 l 1125 I I 1375 i 9 9 1 10 l 1300 6 1170 1 981 1 1430 1 10 11 i 1320 l 1188 I i 1452 I 11 1350 1206 1 1 1474 1 12 12 1 1 13 1 1360 6 1224 4 i 1496 1 13 la 1 1380 1 1242 1 1 1513 6 14 15 1 1399 1 1259 6 1210 6 1539 1 15 16 1 1414 6 1274 e i 1555 i 16 17 1 1429 l 1286 I i 1572 1 17 18 I 1435 l 1291 1 1 1579 6 18 19 6 1450 t 1305 l 1 1595 6 19 20 l 1462 1 1316 6 1279 1 1608 6 20 21 i 1474 1 1327 I I 1621 1 21 22 1 1486 6 1337 I i 1635 i 22 l 23 1 1498 1 1348 I i 1648 1 23 24 1 1500 1 1350 I i 1650 i 24 25 l 1510 1 1359 I 1324 1 166L 1 25 26 1 1520 l 1368 I i 1672 1 26 27 1 1523 1 1375 i i 1681 6 27 23 1 1537 6 1363  ! I 1691 6 2 8__

29 1 1541 1 1387 I i 1695 1 29 30 1 1550 1 1395 1 1390 1 1705 1 30 35 l 1584 l 1525 1 1400 i 1742 6 35 40 1 1613 1 1452 1 1559 1 1774 I 40 45 l 1630 1 1467 I 1o70 i 1793 1 45 50 1 1661 6 1495 i 1755 1 1827 6 50 55 i 1681 1 1513 6 1839 1 1949 1 55 60 1 1700 1 1530 i 1883 l 1370 6 60 65 6 1718 6 1546 6 1848 I 1390 1 65 70 1 1735 l 1561 1 1910 1 1909 4 70 75 1 1750 1 1575 i L924 1 1925 I 75 30 i 1765 I 1589 1 1940 i 1941 1 80 85 1 1779 l 1601 1 1953 1 1957 6 35 90 1 1792 1 1613 1 19e6 6 1971 6 90 95 1 1804 6 1624 1 197e i 1984 1 95 100 1 1815 l 1633 1 1985 i 1994 1 100 105 i 1826 l 1643 1 19o8 1 2009 1 105 110 6 1835 6 1651 6 1941 1 2019 6 110 l115 I 1843 1 1659 l 1919 l 2027 I 115

! 1120 1 1850 6 1665 i 1902 l 2035 1 120 1130 1 1862 4 1676 i 1873 i 2048 I 130 1140 1 1375 l 1687 I 18o5 a 2063 1 140

!150 l 1888 i 1699 8 l805 a 2077 l 150 1160 1 1900 l 1710 1 1891 4 2090 1 160 1170 1 1912 1 1721 1905 1 2103 6 170 i

!130 l 1925 l 1733 1 1920 1 2117 I 130 i 1-55 t

\ _ _- -- . _ . . . - . .-

i l

TEST PROCEDURES The prepared floor penetration slab with fire stop materials in place was placed in position on top of the furnaco. The temperature multi-point recorders were turned on, natural gas was supplied to the burners, ignited, and the test clock was started. The unexposed surface was continaully observed for penetration by flame or hot gases and its temperature monitored, by using the multipoint recorders. At the end of the three-hour fire exposure period, the fuel gas was shut off and, as quickly as possible, the enclosure building was removed and the test slab was lifted from the furnace, remaining in a horizontal position.

A spray stream supplied from a 1-1/2 inch fire hose with a 30

• spray stream setting and 75 psi nozzle pressure and 75 gpm delivery was then directed at the floor penetration fire stops from a distance of 10 feet to conduct the hose stream test. This hose stream test is identified on page 13, Section 5.3.12 of IEEE 634-1978 (See Appendix VI) and is commonly referred to as the "NEL-PIA Hose Stream Test". The required hose stream application cima for penetrations installed in a 10 x 8 ft.

slab was 2 minutes. The time / temperature record of the test is shown in Figure 13 and Table 2. Figures 12 and 14 show an exploded view of the test setup.

1-56

/

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B

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V C

/ \

A) Test Slab (Typical)

B) Furnace F_xtension Sleeve C) Furnace Figure 14. Furnace Assembly 1-57 l

TEST RESULTS l A. OBSERVATIONS The following are observations made during the fire exp;sure test, the hose stream test, and the post-test inspection.

1 TABLE 3 - TEST OBSERV ATIONS Test Time Event

-0:05 Furnace loaded, systems ready. Light overcast, light wind, ambient temperature approx. 70

• F 0:00 Burners on, timer on, recorders on, Start Test 0:05 Temperature 563 *F Holding back on gas 0:10 Temperature 981 *F 0:15 Temperature 1210*F - Still holding back on gas 0:20 Temperature 1279'F 0:25 Temperature 1324*F - Increasing gas supply slightly 0:30 Temperature 1390 *F - Compensating for early lows 0:35 Temperature 1490 *F - Slightly faster rise 0:40 Temperature 1559'F - Temp rising smoothly 0:45 Temperature 1670 *F - Light smoke, stable 0:50 Temperature 1755'F - Now above norm 0:55 Temperature 1839'F - Still above norm 1:00 Temperature 1699'F - Smooth, on curve 1:10 Te mperature 1910* F - High side - readjust 1:20 Temperature 1940 *F - back within 10%

1:30 Temperature 1966 *F 1:40 Temperature 1985'F 1:50 Temperature 1941 *F - Stable, all data good 2:00 Temperature 1902

• F 2:10 Tempe rature 1873

• F 2:20 Temperature 1865'F - All smooth and stable 2:30 Temperature 1865'F 2:40 Temperature 1891

• F - Slightly below norm 2:50 Temperature 1905'F 300 Temperature 1920

• F

',: 02 End of fire test 3:08 Protective cover removed 3:10 Slab hooked up to lift 3:12 Start Hose Stream Test 3:14 End of Hose Stre am Test 3:20 Slab settled for examination 1-58

Post Test Observations

1. There was no passage of flame through any penetration during the fire exposure test.

2. There was passage of light smoke through the seals, but smoke coming through was cool to the touch.

3. There was no passage of water through any penetration during the hose stream test.

B.

SUMMARY

OF TEST RESULTS A fire stop shall be considered as meeting the requirements for acceptable performance when it remains in the opening during the fire endurance test and hose stream test within the following limitations:

1. The fire stop shall have withstood the fire endurance test without permitting the passage of flame, or the occurrence of flaming on any element of the unexposed surface of the assembly for a period equal to the hourly classification for the fire atop.

2. The fire stop shall have withstood the fire endurance test and hose stream test without developing an opening that would permit a projection of water from the stream beyond the unexposed surface.

3. The transmission of heat through the fire stop during the fire endurance test for any recorded temperature on its unexposed l

surface shall not exceed 700 F on penetrations involving cable. I Accordingly, the following shows the performance of the pene-trations for the test period of three hours as documented in the test observations and in Appendix IV.

1-59

l 4

l l

T AB LE 4 i

TEST RESULTS Penetration Condition Number 1 2 3 P27 Pass Pass Pas s P31 Pass Pass Pass P32 Pass Pass Pass P33 Pas s Pas s Pass P34 Pass Pass Pass P35 Pass Pas s Pass To verify the condition of the penetration seals after the test, an examination was made to determine char depth, the depth of any remaining insulation material, such as the urethane foam and TBV, and the condition of the coatings and insulation boards. The results of this exam' ' are shown in Figures 15 through 20. Ph otogr aph s of the fire exposure period, the hose stream test, and the post test condition of the penetrations can be found in Appendix II.

1-60

Item 3.1.5(1)

Structural Member Coating Northern States Power Company is committed to coat all Turbine Building structural members in the vicinity of the lube oil reservoirs with a suitable fire retardant coating.

An evaluation of the effects of an unmitigated fire at the turbine lube oil reservoirs to the structural members (beams and columns) supporting the building has been completed. The attached figures illustrate the extent and location of the beams and columns requiring protection.

We will apply a 3-hour coating of Pyrocrete 241 on those columns and beams per UL design N716 for beams and UL design X-733 or X-736 for columns.

1 l

l l

l 2-1

TYPICAL N0. 1 U.L. DESIGN FOR COLUMNS Design No. X736 Rating 3 Hr.

pt?.*Ti~'V -

F(a a a a a ~'WQ[N a w -

d Il, f ,i a p s.L ,, v f.,

a,: 11 si ,-- /,

_/c ..a N.W.O.. T Y.A.S.,Y 3

1. Pyrocrete 241*-See table below for appropriate thickness. Prepared by mixing with water according to instructions on each bag of mixture and trowling in one or more coats to steel surfaces. Min ave density of 55 pcf with min ind value of 50 pcf. For method of density determination, see section 3.5, Construction Test Requirements. Surface of material to be smoothly finished with a trowel.

Rating Hr Minimum Thickness, In.

3 1 1/4

2. Metal Lath-3.4 lb per sq yd galv expanded steel . Lath lapped 1 in. at joint and tied together with No. 9 SWG galv steel wire spaced vertically 10 in. 0.C.

3. Steel Column-Min size of column, Type W10X49.

Searing the UL Classification Marking.

2-2

3 TYPICAL N0. 2 ADPLICATION DETAILS PYR0 CRETE 241 BOXED MEMBER WITH CORNER BEADS i

i 1

- Steel Member i

Metal Lath

. - Plastic Nose

.. Corner Bead **

'n'  ;.

Pyrocrete

" Corner bead filled with pyrocrete i l

2-3

TYPICAL NO. 3 U.L. DESIGN FOR BEAMS DESIGU NO. N715 Restrained Beam Ratings-3 Hr.

t j%7.T1,M C

'U.W($.4.. .

{$r* .. .S - li'. . .' ' f.0.U.* '

I . 5.y9gy W.... . .l:.t.'

/. p4

@N.

.. s.

f

' *?i  :.

. h *

.z. . ., , M.n.-

3 2

1. Steel Beam-W8x28 min size.

2. Metal Lath-3.4 lbs/sq yd galv or painted expanded steel. Secured to beam by bending tight around flanges a min of 1 1/2 in toward web of beam.

3. Pyrocrete 241*-See table below for appropriate thicknesses. Where metal lath is present, thicknesses are measured to surface of metal lath, all other thicknesses are measured to steel surface. Prepared by mixing with water according to instructions and trowel applied on beam surfaces and over lath, as shown. When fluted or corrugated steel floor units are used, crest areas above the beam shall be sealed with pyrocrete. 4 Min avg density of 55 pef with min ind value of 50 pef. For method of density determination, see Section 3.5 Construction Test Requirements.

Surface of applied material to be lightly finished with a steel trowel.

Minimum Thickness In.

Rating Hr. Restrained Beam 3 1 1/4 Carboline Co.-Type 241

• Bearing the UL Classification Marking.

2-4

TYPICAL N0. 4 U.L. DESIGN FOR BEAMS _

Design No. N716 Restrained Beam Ratings-3 Hr.

**'.....'*;.'..'..-l-

'~

n; . ' ..

r l l J f" I' 1 :3 7 { *!

2  : # 1 5 . 1

1. )

• - :~ j .'

.: w ,, J ,, ,,

-:. ..... 1 . iM 4 3

1. Steel Beaa-W8x28 min size.

2. Beam Furring Clips-Spaced not to exceed 27 in. 0.C.

3. Metal Lath-3.4 lbs/sq yd galv or painted expanded steel.

4. Pyrocrete 241*-See table below for appropriate thicknesses. Prepared by mixing with water according to instructions and trowel-applied on lath surfaces as shown. When fluted or corrugated steel floor units are used, crest areas above the beam shall be sealed with pyrocrete. Min avg density of 55 pef with min ind value of 50 pef. For method of density determination, see section 3.5. Construction test requirements. Surface of r; plied material to be lightly finished with a steel trowel.

Minimum Thickness In.

Rating Hr Restrained Beam 3 1 1/4 Carboline Co.-Type 241.

Bearin- the UL Classification Marking, j 1

2-5 l l

l 1

TYPICAL NO. 5 U.L. DESIGN N 716 WITH MARINITE

/ -

/

kI I i IVI livl I I I I I ikil l*il I I I I 9

/ I I na a a av i

/

w g u u 9 1

% Beam 3

2 g N Pyrocrete 241

' '{ " L' "_^__

3.4 Galvanized Lath I 3 12" r 1 1x x x /# x x x X X x x Beam 1 x x x x x- +

~

x x l' x x x- i l l 3

1. UL Design No. N716 per Typical Dwg No. .

2. Steel grating at El. 715.

3. Johns-Manvilles Marinite I Board .1 inch thick, cut 12 inches wide, running parallel to the entire beam edge that requires protection.

4. Marinite hangers-consists of saddle clamps, bolt, nuts and large washer located approximately 3 inches in from each edge, spaced to provide 1 a minimum of 3 pairs per 8 foot section. l 2-6 ,

1 l

l l

1

, . 1 TYPICAL N0. 6 l

U.L. DESIGN N 715 WITH MARINITE diI I IWI IWI i

I I n // // // // ,

I I I IVI IWI I g

I I I(.

l l u V u u h

2 Beam

/

h 3 _ _ _ _ _ _ h _ _ _ _

" " f' " " g !

Pyrocrete 241 3.4 Galvanized '

Lath 2

-12"

, U i

lx x x

x x

x g x x x x l

)

A Beam I

l: : 7:

ra \

2

1. Steel grating at El. 715.

2. Johns-Manvilles Marinite I Board .1 inch thick, cut 12 inches wide, running parallel to the entire beam edge that requires protection.

3. Marinite hangers-consists of saddle clamps, bolt, nuts and large washer located approximately 3 inches in from each edge, spaced to provide a minimum of 3 pairs per 8 foot section.

2-7

9 GENERAL ARRANGEMENT - UNIT 1 TYPICAL PC.7 l

n w

=

,~.

NOTES:

1. PROTECTIVE C0ATING APPLIED 1/2 THE DISTANCE BETWEEN COLUMN R0WS 6 & 7.

2. PROTECTIVE C0ATING APPLIED 1/4 THE DISTANCE BETWEEN COLUMN R0WS F & G.

3. The 73S El. floor is solid concrete.

It rests on steel purlins which are tied into the main steel members.

Provide Pyrocrete 241 on first 8" of purlins from main steel beams. 2-8

i10iES:

G f E D

1. See General Notes Typical No. 7

, ,21'- 6" ><

21' 6" >* 21'- 6" *

2. Beam at 715 El. shall

• have Marinite edging. See typical No. (Later). .

3. Beam and Column UL Designs N-715 are N-series and X-series,

. respectively.

36kr N-715_ 36tf N-715 36WF&l4XI-If4 PL T&B El 735 d -

a 11 ex 24kT N-716 21kT N-716 16kF N-716 ,El. 715

'?

14WF136 14WF158 X-736 X-736 El 695 Column how 7 LOOKlHG WEST TYPICAL 7A

6 7 8 s

31'-6" 20'-6" ,

1. See General flotes, Typical ti-715 fio. (Later).

36W&l 1/4 R. T&B fi-715 27bF

2. Deam at 715 El. shall have El. 735 flarinite edging. See Typical (Later).

3. Beam and column UL Design are il series and X series respectively. 33F ti-715 N-716 16W g

y E

• s 14WF136 X-736 L El. 695 FLOOR COLUMit R0W F LOOKillG fl0RTil TYPICAL 7b ,

9

t fl0TES:

6 7 8

1. See General flotes, Typical flo. (Later).

31'-6" 20'-0"

2. Beam at 715 El. shall have * **

• Marinite edging. See Typical (Later).

3. Beani and column UL Design are il series and X series f_1-715 36W tt-715 27W respectively. EL_.735 d

7 5

ti-716 24g 11-716 16W EL.715 14WF158 X-736 EL.695 i

COLUMit R0W E LOOKittG fiORill TYPICAL 7c

- _ - - - - _ _ _ _ _ _ _ _ _ _ _ _ - - - - - J

l .

~

N

~V

@ I I

O NOTE 2

, n

,/

O11 1/2 D,

~

NOTE 1  % NOTE 1 u  : :

@ @ O @

NOTES:

1. PROTECTIVE C0ATING APPLIED 1/2 THE DISTANCE BETWEEN COLUMN R0WS 11 & 12.

2. PROTECTIVE C0ATING APPLIED 1/4 THE DISTANCE BETWEEN COLUMN R0WS F'& G.

3. The 735 El. floor is solid concrete.

It rests on steel purlins which are tied into the main steel members.

Provide Pyrocrete 241 on first 8"  ;

of purlins from main steel beams. l GENERAL ARRANGEMENT-UNIT 2 TYPICAL N0.8 2-12

G f E D 21'-6" 21'-6" 21'-6"

= wm - -

n

"~ b NOTES:

30W N-715 36g N-715 36tF& it T&B EL. 735

1. See General Notes,

~ ~ -

, '-~ ~ ~~ ~ ~~ ~'~ ~ ~

Typical No. (Later). __ .._ ____

2. Beam at 715 El. shall have Marinite edging. .

See typical (Later). ~$ .

3. Beam and column UL 24tf N-716 16F N-716 y

Design are N series and 24W

• N-716 EL. 715 4 __ __ __ __

w X series respectively.

14WF136 . 14WFIS8 X-736 X-736 EL. 695 COLUMN R0W 11 LOOKING WEST TYPICAL 8a

'in:i S: 12 11 10

1. See General, Notes, Typical ,

36'-6" 20 ' - O" ,

No. 8

2. Beam at 715 El. shall have Marinite edging. See Typical No. (Later).

36Wral-1/.4 Pt 188 N-715 27W N-715

, 3. Beam and Column UL Designs EL. 735 are N-series and X-series -[ - ,,1 d-respectively a

N 2

33y: N-715 16tr N-716 EL. 715 I.

I I ** I f I I II X-736 14WF136 EL'. 695 COLUMN R0W F LOOKING NORTil TYPICAL 8B

It0TES: 12 11 10

1. See General Notes, 20'-0" 31'-6" Typical No. (Later). + >4 >

2. Beam at 715 El. shall have flarinite edging.

See Typical (Later).

36W N-715 27W N-715

3. Beam and column UL Design ~-

are N series and X series -,, -~ -~

respectively. -- -- -- --

14WF158 -j 2 7W ** N-715 16W N-716

" ' ~~

~

EL. 715

T, T_ _I .T- ~_E T I ~

u __ __

14WF158

1. ' X-736 EL. 695 COLUMN It0W E LOOKING NORTil TYPICAL 8c

_ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ _ ._________l

NOTES:

11 10

1. See General Notes, Typical No. (Later).

2. Beam at 715 El. shall have <

Marinite edging. See Typical (Later).

3. Beam and column UL Design are N series and X series respectively.

27W El. 735 N-715 .

i a 7 2 5 .

IfM El. 715 El. 695

. COLUMN R0W 1/2 D LOOKING NORTil TYPICAL 8d l

1 l

Item 3.2.5(1)

Fire Damper Evaluation The Fire Protection Safety Evaluation Report contains our committment to review all fire zones containing safety-related systems and equipment to verify that ventilation paths are pvovided with fire dampers. Where additional dampers are deemed necessary, they are to be purchaaed and installed.

This review has been completed and a number of locations identified where ins tallation of fire dampers was recommended. Refer to the attached table listing these locations.

Three hour, UL lable, curtain type fire dampers are being installed at these locations. Dampers will satisfy the following s tandards:

a. UL 555 dated May 14, 1979

b. NFPA 80, 1979

c. NFPA 90A, 1978

d. NFPA 90B, 1976

e. IEEE-344 (1975) where seismic qualification is needed All dampers will be equipped with a 165 F fusible link and previded with a corrosion resistant coating.

3-1

AUXILIARY BUILDING TABLE A-1 DUCT SIZE ITEM (Inches) FIRE DAMPER NO. QTY 11 X W DESCRIPTION TAG NO. CATEGORY l 1 36 x 28 Unit 2. Auxiliary Building through 715 floor ilFD-01 III near RilR pit 2 1 22 x 14 IIP Office Ceiling flFD-02 III 3 1 12 x 18 llP Office to Auxiliary Building VfD-03 III 4 1 12 x 24 IIP Office to Auxiliary Building VFD-04 III w 5 2 28 x 28 Unit 2 Turbine Building to Auxiliary Buildi;ig VfD-05-1 III 4 (elevation 718) VFD-05-2 III 6 2 18 x 18 Unit 2 Turbine Building to Auxiliary Building VFD-06-i III 18 dia VFD-06-2 III 7 2 14 x 14 llot Lab to Auxiliary Building VFD-07 III VfD-08 III 8 1 16 x 16 ilot Lab to Auxiliary Building VfD-09 III 9 1 14 x 24 llot Lab to Auxiliary Building VFD-10 III 10 1 10 x 24 Hot Lab to Auxiliary Building VfD-ll . III 11 4 15 dia Auxiliary Building - Change Area (735 E1.) VfD-12 VFD-13 III jjo III VfD-16 III da VFD-17 III y; a

52 O

e

AUXILIARY BUILDING (continued) .

DUCT SIZE ITEM (Inches) FIRE DAMPER NO. QTY ll x W DESCRIPTION TAG NO. CATEGORY 12 4 15 dia Auxiliary Building-Chance Area (735 EL) IIFD-14 III llFD-15 III IIFD-18 III IIFD-19 III 13 2 42 x 26 Control Room Supply llFD-20 III/ SEISMIC llFD-21 III/ SEISMIC w 14 2 30 x 62 Control Room Return liFD-22 III/SEISHIC 0 llFD-23 III/ SEISMIC 15 1 40 x 22 General' Vent Exhaust 11F0-24 III 16 1 10 x 18 General Vent Exhaust ilFD-25 III 17 1 26 x 14 General Vent Supply llFD-23 III 18 1 26 x 26 General Vent Exhaust ilFD-27 III 19 1 24 x 18 General Vent Exhaust ilFD,28 III E

a 1 Y 8

a R

QUAD-3-80-004 NUCLEAR SERVICES CORPORATION

& DevillON CF WORDREX OC R AC A ATIO N Notes: 1. Table A-1 lists the quantity and size of each type of three hour fire damper. Two spare fusible links shall be provided for each damper.

2. HFD designates a Horizontal Fire Damper.

VFD designates a Vertical Fire Damper.

3. The duct size given in inches describes the height and width (HxW) of the inside measurement of the duct for vertical fire dampers (VFD-XX).

4. The horizontal fire damper (HFD-XX) blade dimension is listed first.

3-4 l

D**D "O T soc o .b. .a TURBINE BUILDING 2-111 !!R. RATED FIRE DAMPERS EACil LOCATION NSP - PRAIRIE ISLAND

. FIRE DAMPER LIST LOCATION DUCT SIZE WORK TO BE PERFORMED INSTALLATION COND. N8# '

Elev. 695"-0 Wall between Cut hole in duct for F.D. 6'-4 Above floor.

Battery Room 12 & 22 12 x 12 Requiring Patch & Access Duct above battery rack. /o Grid 9 Door Elev. 715'-0 Busroom 25 46 x 10 Remove reg. 6 insert 2- Clear Access 10'7 bot.

d7 Register 46 x 10 F.D. Replace of register Wall between Opening Register bus Rm. 26 &

25 18 x 18 Cut hole in duct for F.D. 13'-0 bot. of duct g Requiring patch and access Clear Access to work.

door.

Elev. 715'-0 Busroom 26 Remove sq. thr. companion Work to be installed angh elbow and, insert F.D. f rom switch:; ear Ra.

Wall at Crid D 22 x 22 Rebolt elbow & cut in A.D. Side of wall. 8 46 x 16 Cut hole in duct for F.D.

requiring patch & A.D. W Elev. 715'-0

"" 36 x 18 Cut hole in duct. for F.D.

Requiring patch & A.D. 04/

Wall at Crld D Work to be ins t.a ll ett f rom 32 x Switchg"ar Rm. side of wall.

.33. Remove sq. thr. companion angle elbow & insert F.D.

Rebolt elbow & cut in A.D.

g I' l ev . 715'-0 i

Remove Reg. 6 insert Clear access 10'-7 Bus Roon 16 %x 12 2 - 36 x 12 F.D. Replace Bot. ef ::enister dj i

register.

Wall between ,

liuss Rm. 16 5 22 x th Cut hole in duct for F.D. I 15 requiring patch and access

! door. C.,;i7,,

i i

l l

I i

3-5 r ,

Item 3.2.6 Fire Pump Barrier Northern States Power Company has investigated the feasibility of. providing a three-hour fire rated enclosure for the motor-driven fire pump located in the screen house. A fuel oil fire in this area could make both fire pumps inoperable without additional protection measures.

A three-hour enclosure for the motor-driven pump has been designed and will be installed. A summary of the design specifications and sketches of the enclosure design are attached for your information.

)

4-1

. . > QUAD-5-80-006 Revision 0 DUCLEAR SERVICES CORPORRTIOR

- a OsvsSSON Of URDREE QQ A AQ AATION 3.14 Fire Pump Enclosure 3.14.1 Wall Construction Walls shall be made of nominal 8" hollow concrete block using blocks which carrysthe Underwriters' Laboratories C-3 Certificate.

Walls shall be constructed using materials as outlined in Design No. U904 of UL Fire Resistance Index for 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> fire resistance.

Materials and workmanship conform to Section 3.14.10, Masonry.

3.14.2 Enclosure Roof Construction The roof of the electric fire pump enclosure shall be of 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> fire resistance construction. It shall be of normal or light weight concrete poured in place.

Materials and workmanship conform to Section 3.14.11, Poured-in place Concrete.

3.14.3 Fire Doors Provide central, parting, swinging fire doors,a Dutch door on one side, when opening, to have at least 5 feet 4 inches horizontal clearance. The doors to be Class A 3-hour UL Classification marking.

The active leaf door to be automatic with an approved closer fitted with a 212* (100 C) fusible link. Hinges, latches, stay bolts, astragals and closing equipment to be UL listed for the particular type door and in compliance with the rules of NFPA No. 80 Fire Dcors and Windows. The doors should be flush mounted. The inactive 4-2 l

I l

QUAD-5-80-006 Rovision 0 RUCLERR SERVICES CORPORATION g A Divetr04 08 Mr.JRDREX CO A AQ A ATION leaves are to have hand and foot and side stay bolts as shown on Figure 1, Attachment IV. Flat plate astragals are to be mounted on the active leaf and the upper inactive leaf to serve as stops for the active leaf.

The doors are to be provided in a door frame, to be UL listed.

Frames and doors to fit into an opening of 10'-6!s" x 5'-4" (see Engineering Drawings).

l 3.14.4 Paintino and Caulking The enclosure masonry, door and door frame shall be sealed and painted to match the existing structure from plant paint stock.

All joints between block work and other types of new construction shall be caulked unless oto rwise shown on the drawings. All caulkira shall be grey in color. Caulking materials shall conform to Federal Specification TT-C-00598, Grade No.1.

Penetrations into the intake structure shall be sealed as fire barriers in accordance with Section 3.16, Fire Pump Enclosure Penetrations. -

3.14.5 Construction Materials and Workmanshio 3.14.5.1 Work Included The work shall include but is not necessarily limited to:

1. All form work including special forms necessary to produce architectural details and/or to accommodate the work of others and removal of forms.

2. All concrete reinforcement, placement, bending and forming thereof.

l 4-3

,', ,, QUAD-5-80-006 Revision 0 NUCLEAR SERVICES CORPORRTIOR (iRGREX CO A AQ A ATION

3. All concrete and cement finishing; all surface treatment and curing includi g non-slip finishes and color work.

4. Installation of all reglets, bolts, anchors, cins, sleeves, column anchor bolts, etc.

5. The furnishing of all items required to be, or shown on the drawings, embedded in concrete, which are not specifically required under other sections.

6. Setting headers and screeds, finishing, curing and protecting concrete.

3.14.5.2 Work Soecified Elsewhere

1. Unit masonry and reinforcing for it (3.14.10, 3.14.7).

2. Inserts, sleeves, cans, etc. (3.14.12).

3. Materials and testing (3.14.11).

3.14.5.3 Defective Work Work considered to be defective may be ordered by the Owner to be replaced, in which case the Contractor shall remove and replace the i defective work at his expense. Work considered to be defective shall include, out not be limited to, the following:

l

a. Reinforcing Kinks and bends therein which are not scheduled or indicated on the drawings; reinforcing improperly placed, or previously heated.

4-4

., ,. QUAD-5-80-006 .

Revision 0 AUCI. ERR SERVICES CORPORATION A Div+04 0F W .J R D R E X COR AQ A ATH3N

b. Concrete

1) Concrite in which defective or inadequate reinforcing steel has been placad.

2) Concrete incorrectly formed or not conforming to details and dimensions on the drawings or with the intent of these documents, or concrete, the surfaces of which are out of plumb or level.

3) Concrete below specified strength.

4) Concrete containing wood, cloth, or other foreign matter, rock pockets, voids, honeycombs, cracks or cold joints not scheduled or indicated on the drawings.

The Owner may consent to allow defective work to be corrected in cases where the construction schedule will not permit time for replacement. The Contractor shall, at his expense, make al? such corrections and alleviation measures as directed.

Secure approval of chipped-out areas before patching.

3.14.6 Forming 3.14.6.1 General The forms shall be smooth, mortar-tight, true to the required lines and grade, and of sufficient strength to resist springing out of shape during the placing and vibrating of concrete. All dirt, chips, sawdust and other foreign matter shall be completely removed before concrete is deposited therein. Forms previously used shall be thoroughly cleaned of all dirt, mortar and foreign matter before being reused. Before concrete is placed in forms, all inside surfaces of the forms shall be thoroughly coated with an approvad form sealer. The form sealer shall be of high penetrating quality leaving no film on the surface of the forms that can be absorbed by the concrete or be incompatible with concrete paint.

4-5 l

QUAD-5-80-006

. R0 vision 0 DUCLERR SERVICES CORPORRT100 m . .. ... ..

MUROREX CQ A A Q R ATION All exposed sharp edges shall be chamfered with triangular fillets not less than 3/4 inch by 3/4 inch unless otherwise directed by the Owner. These fillets and chamfer strips shall be milled from clear straight grain lumber and shall be surfaced on all sides.

3.14.6.2 Stripping Forms shall be removed in such manner as to insure the complete safety of the structure.

Side forms may be removed after 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> provided the concrete is sufficiently hard not to be injured thereby.

3.14.7 Reinforcing Steel 3.14.7.1 Materials Bars for reinforcing shall be deformed, domestic, intermediate grade bars.

Wire mesh for floors shall be rectangular welded wire fabric of spacing and gauge as indicated on the plans.

Wire for tieing reinforcement in place shall be No. 18 AWG black annealed or heavier.

3.14.7.2 General Requirements Except where specified otherwise herein or shown otherwise on the l plans, reinforcing steel shall be' cleaned, fabricated, placed, tied I and supported in accordance with Section 2610 of the Uniform Building Code. Reinforcing shall not be bent or straightened in any manner that will injure the material. All splices for deformed bars shall be not less than 40 bar diameters but in no case less than 12 inches.

4-6

i QUAD-5-80-006 -

• Revision 0 ,

RUCLEAR SERVICES CORPORATION 4 0iv$04 C8 WORDREX CQ A AQ A ATION 3.14.7.3 Protective Covering Except where otherwise shown, the minimum concrete coverage for steel reinforcement shall be as follows:

o Reinforcing for walls center of wall or 3/4" o Where concrete is deposited against ground 3" o Concrete in forms exposed to earth 2" o Beams, girders and columns 1 1/2" 3.14.7.4 Installation of Reinforcing Steel reinforcement shall be accurately placed and shall be supported and secured against displacement by the use of adequate and proper supporting and spacing devices, tie wires, etc., so that it will remain in its correct location in the finished work. No supporting devices shall be used that will impede the flow of concrete.

The clear spacing between parallel bars shall be not less than 1.1/2 times the nominal diameter of the maximum size aggregate, and in no case less than 1 1/2 inches except at splices which may be wired together.

Wherever possible, splices of adjacent bars shall be staggered.

Splice wire fabric at least one mesh wide. Rebending of bars on the job to fit existing conditions will not be permitted without the approval of the Owner.

3.14.8 Sealing 3.14.8.1 Material The sealant called for on the dra' wings shall meet the requirements of the ASA 116.1.

4-7

, . ,. QUAD-5-80-006 Revision 0 DUCLEAR SERVICES CORPORATION

& Orwit:04 08 URDREI CO RRO R ATIO N The batch date of all caulking compound shall be certified. Material color shall be as approved by the Owner.

l Approval of an equal type of material will be judged upon submission

- of a certified copy from a qualified testing laboratory which indicates performance characteristics of the material tested in accordance with ASA 116.1 requirements.

3.14.8.2 Workmanship and Installation All surfaces must be clean and dry before application. Cleaning shall include removal of scale, grease, dirt and any (C eign or deleterious materials. Concrete shall be 28 days old before being caulked. A joint filler shall be used as backing, as shown on the plans.

Primer shall be allowed to completely dry before sealant is applied.

The mixing and application of the material shall comply closely with the manufacturer's recommendations. Sealant shall be applied in such a manner as to remove all air voids. The sealant shall be forced into the opening by means of a caulking gun to the required depth without layering the sealant.

After application, the uncured compound shall be tooled and smoothed to a plane surface, as shown on the plans. Sealant shall be allowed to cure for four days before painting or other surface treatment is applied.

3.14.9 Grouting and Dry Packing 3.14.9.1 General Grouting includes necessary grouting of base plates.

4-8

' QUAD-5-80-006 Revisicn 0 AUCLTRR SERVICCO CORPORATION Q.QQ8ADOR OIVIS.0%

ATION ofURDREX Dry packing includes those concrete to concrete joints called on the drawings to be dry packed.

3.14.9.2 Materials Grout Sulco grouting iron (Sullivan Company, distributed by Conrad Sovig Co.), Embeco-non-shrink grout (Master Builders'), A. C. Horn non-shrink ;; rout e: approved equal.

Dry-Pack One part Portland cement, 2 1/2 parts clean sand, and the minimum amount of water necessary to hydrate the cement without making the mixture ).lastic.

3.14.9.3 Workmanship Dry-Packing After members to be dry packed are positioned and wedged at true line and grade, they shall be dry packed in place.

The dry pack shall be hand rammed into place with shingle or other suitable tool. Care shall be taken to avoid leaving air pockets so that full bearing can be established. The finished work shall be neatly painted if left exposed.

3.14.10 Masonry 3.14.10.1 Materials

1. Concrete masonry units shall be standard lightweight masonry units conforming to Uniform Building Code and ASTM C90, Grade A, for load bearing units. All masonry units shall be 4-9 i

,. ,. QUAD-5-80-006 Revisien 0 NUCLEAR SERVICES CORPORATION 4 Or4SeClls 08 WCQMDREX A AQ A ATION the product of one manufacturer, of one composition throughout the work, and uniform in texture. Units shall be cured for a minimum of 28 days prior to delivery at the site. CMU shall have Drying Shrinkage tests in accordance with ASTM C426. The maximum linear shrinkage shall be .04 percent.

The following shapes shall be used:

a. 8" x 8" x 16" two cell

b. Special shapes as required for construction

2. Portland Cement shall conform to ASTM C150, Type 1.

3. Masonry Cement shall conform to ASTM C91,' Type II.

4. Hydrated Lime shall conform to ASTM C207, Type 5.

5. Aggregate for mortar shall conform to ASTM C144 except that,  ;

of sand used for the reinforced block masonry, not less than l 4 percent shall pass No. 100 sieve.

6. Reinforcing Steel Bars shall be intermediate grade new billet I steel conforming to ASTM A15, with an approved deformation conforming to ASTM A305.

7. Anchorage items other than reinforcing steel bars and rods shall be heavily galvanized steel of the types indicated on l the drawings or specified.

8. Water shall be clean and free from deleterious amounts of acids, alkalines or organic materials.

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. . . . QUAD-5-80-00G Revision 0 RUCLEAR SERVICES CORPORATION

,..m.......

4!ROREI QQ A AQ A ATION l

9. Caulking shall be one part polysulfide, PRC 5000.

3.14.10.2 Mortars The following mixes shall be used:

1. For reinforced concrete block masonry, conform to the Building Code for Type A mortar with a minimum compressive strength of 2,000 psi in 28 days, and mixed as follows: 1 part Portland cement (light colored), minimum 1/4 and maximum 1/2 by volume of hydrated lime or lime putty, not less than 2 1/2 and not more than 3 times the sum of the volumes of the cement and -

limes.used of damp loose sand.

2. For grout in reinforced concrete block, as required, provide a mix composed of one part Portland cement, and 3 parts sand, to which may be added not more than 1/10 part hydrated lime, and may contain an addition of pea gravel equal to maximum 2 parts by volume of cement used. Pea gravel shall be maximum 3/8 inch with not more than 5 percent moisture.

Add sufficient water to produce consistency for pouring without segregation. Grout shall have a compressive strength of 2,000 psi in 28 days.

Mortar, as delivered to the mason, shall have a flow after suction for one minute, of not less than 70 percent of that immediately before suction when determined by the method described in ASTM C91.

3.14.10.3 Erection of Concrete Block Masonry All masonry shall be laid plumb, true to line, with level and accurately spaced courses. Work required to be built in with the masonry (including anchors) shall be built in as the wall construc-tion progresses.

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QUAD-5-80-006 Revision 0 AUCLERR SERVICES CORPORRT100

& Olv'Si0th 08 CRCREX C O A A Q A ATION Concrete masonry unit walls shall be erected where shown on the drawings. Fach course shall be solidly bedded in mortar and vertical joints buttered full.

Jamb units shall be of shapes and sizes required to bond with wall units and shall be built in where shown on the drawings, or required.

Standard width of mortar joints for both horizontal and vertical joints shall be 3/8 inch, Joints on interior exposed surfaces shall be struck. Joints shall be tooled in such a manner as to squeeze the mortar back into the joints, and then struck. No tooling shall be done until after the mortar has taken its initial set. .

After tooling, the exposed surfaces shall be wiped down with burlap.

Color of mortar will be selected by the Owner.

Cutting and patching of masonry required to accommodate the work of others shall be performed by masonry mechanics. Work shall be neatly performed using approved power saws.

Unfinished work shall be stepped back for joining with new work.

Toothing may be resorted to only when specifically approved by the Owner.

Before new work is started, all loose mortar shall be removed and the exposed joint thoroughly wetted before laying new work.

Reinforcement shall conform to the applicable requirements of the Uniform Building Code. Laps shall be a minimum of 40 diacetc>s and centered in the cells of the concrete block. Masonry shall be adequately doweled to foundations and bond beams.

4-12

., .. QUAD-5-80-006 i Revision 0 .

l DUCLERR SERVICES CORPORATION a nivesioe ce Q~dRGREX CQ ARQ A ATION l

Masonry unit cells shall be filled where called for on the drawirgs.

Block laying sh-11 be scheduled for filling cells in lifts, each lift to be 4 feet in height and 15 minutes shall elapse from the time the last block of any lift is in place until grouting commences.

Joints shall be full buttered, and all cells swabbed and clean of foreign matter. Reinforcing bars shall be secured to the indicated position in the cell with approved ties. Grout shall be rodded to completely fill the cells and eliminate voids.

Provide clean-outs at bottom of cells as required.

3.14.11 Materials and Testing Except as herein specified or indicated on the drawings only approved materials conforming to ACI 318 shall be used in the work. Ready-Mix concrete shall be mixed and delivered in accordance with the require-ments of ASTM C94.

All materials and workmanship shall conform to and be tested in accordance with the following requirements and standards:

a. Portland cement shall be Type I or Type III, ASTM C150, for Portlana cement. If the Contractor, in order to facilitate his own operation, chooses to use high early-strength cement (Type III) in portions of the work, written permission shall be obtained from the Owner.

b. All concrete aggregates shall conform to ASTM C33.

c. Mix water shall be clean and' free from injurious amounts of I

oil, acids, alkalis, organic materials, or other deleterious materials or substances.

4-13

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. . . . QUAD-5-80-006 Revision 0 AUCL. ERR SERVICES CORPORATI0n g A OlvaS104 0F MdliT[3i2EE):

CQ A AQ A ATIO N

d. Design mix strength shall be 3,000 psi at 28 days for normal weight concrete, unless otherwise shown on the drawings. l l

e. Testing of mix shall be Contractor's responsibility. Concrete test specimens shall be made and cured in accordance with  !

ASTM C31 and shall be tested in accordance with ASTM C39. Not less than three specimens shall be laboratory-cured and tested at seven days and twenty-eight days. The Contractor shall engage the services of an approved testing laboratory.

3.14.12 Structural Steel and Miscellaneous Metals 3.14.12.1 Materials

1. All structural and miscellaneous steel, except as noted below, shall be new and of basic open hearth process steel and of domestic manufacture conforming to all applicable requirements of ASTM A36.

2. iiigh-strength bolts shall conform to ASTM A325.

3. Arc welding electrodes shall conform to AWS A5.1.

1

4. Power driven shop and field rivets shall conform to ASTM A502.

5. Primer paint snall be red lead or zinc chromate.

6. All steel indicated as galvanized on the drawings shall be hot-dipped galvanized after fabrication.

4-14

~,, ,

QUAD-5-80-006 Revision 0 NUCLEAR SERVICE 0 CORPORRTIOR A cevtS80N OF M/JRGAEX CO A AQ A ATH3 N 3.14.12.2 Fabrication The workmanship shall be in accordance with standard specifications previously mentioned and of highest quality found in contemporary I structural work.

1 Verify all dimensions at job site before fabricating steel.

l Welding shall be done by operators who have been qualifiedsts perform the type of work requirsd (ASME Section IX). Use equipment which will supply proper currelt as recommended by manufacturer for the size of electrodes used, adjusted to suit arrangements and thickness of base metals used.

Make allowance for line drop when meters are not adjacent to point of welding. Measure line voltage with suitable meters.

All connections shall be bolted, riveted, or welded as shown and noted on the drawings.

Apply one coat of metal primer on all steel not galvanized prior to shipment from fabricating shop. Surfaces to be joined by high strength steel bolts or field welded shall not be painted in the shop.

3.14.12.3 3rection Temporary shoring and additional bracing of both existing and new steel frames shall be provided as necessary to adequately and safely support any or all loads which may be imposed on the struc-ture durinp construction.

4-15

... .. QUAD-5-80-006 Revision 0 DUCLEAR SERVICES CORPORATIOD A OtvilsofW 08 W.GADREX Q Q A A Q A ATIQN After erection, all field welds, field bolts and abraded or scratched l surfaces shall be cleaned and given an additional spot coat of the same prime paint used for shop primer coat.

l l

Trim trench : overs in field as required to fit around any incidental equipment selected and installed under the mechanical portion of this job.

3.15 Fire Pump Enclosure Cooler A room cooler shall be installed (Attachment IV) in the fire pump enclosure to limit room temperature to less than 104*F (the ambient temperature rating of the fire pump motor), sized for the maximum anticipated heat losses from the fire pump motor (10% of rated horsepower). All cooling air will be 100% recirculated; the enclosure is sealed off by normally-closed fire doors. The cooler fan shall be automatically controlled to come on at above 80 F room temperature when the fire pump is operating.

The room cooler shall consist of a coil unit and fan unit, combined in an assembly (Attachment VII), suspended below the enclosure ceiling.

The coil unit shall be equipped with copper / nickel to minimize scale and corrosion deposits. (Cooling water will be fire water /

circulating water). The cooling water shall be piped from a tapped connection in the fire pump casing, through a stop valva, metering valve, and stainless steel tubing to the cooling coil, and back to a fluor drain adjacent to the fire pump. The tubing and coil shall be arranged to permit complete drainage of the coil, and shall be equipped with a high point vacuum relief valve. In order to assure that cooling water does not flow to the floor drain except when the 4-16

., . QUAD-5-80-006 Revision 0 DUCLERR SERVICES CORPORATION S D'v81804 08 W/lADREX CQ A AQ A ATION fire pump is operating, the supply tap from the pump casing shall be equipped with a spring-loaded check valve (Attachment VII) which prevents flow due to the static head at maximum river level.

The cooling fan shall be powered from the incoming feeders to the fire pump controller (460V, 3P), using a locally-mounted starter, and adjustable thermostat (temperature switch). Control of t s fan shall be arranged (using auxiliary contacts in the fire pump controller) so that the fan operates automatically when the fire pump is running and the room temperature exceeds 80*F.

The cooler and fan shall be sized to maintain less than 104*F ambient temperature in the enclosure with a maximum circulating water temperature of 80*F, and less than 25 gpm water flow (which is less than 1% of rated pump capacity). Preliminary calculations show that the fan / coil assembly will be about 44"L x 36"W x 23"H, 310 lbs., 1072 RPM, 0.45 BHP with a 3/4 HP motor, using about 8 gpm of water (after installation, the metering valve shall be adjusted to the required flow rate).

Install as follows:

o Insert reducer bushing in existing plug tap in pump discharge casing.

o Support tubing from fire main piping or enclosure roof at least every 5 ft.

o Route tubing to allow maintenance access to the pump (minimum bend radius 4").

o Run tubing discharge to existing fic'r drain, o Suspend the fan-coil cooling unit fron, +he enclosure ceiling using Vendor-supplied vibration isolators and Contractor-supplied concrete wedge anchors. Run' supply tubing to uppermost tap of the coil (leaving air side) with the vacuum relief valve at 4-17

QUAD-5-80-006 Revision 0 i RUCLERR SERVICES CORPORATION l

h o~,....

. ..h.!ROREX CQ A AQ A ATION high point. Run discharge tubing to the lowermost tap (entering air side). Cap two remaining connections. Use brass caps, tees and reducers. Slope discharge tubing to drain.

Run 3/8" copper drain tubing from fan-coil housing drain connection to the floor drain.

3.16 Fire Pumo Enclosure Penetrations 3.16.1 Large Penetrations The two 10" pipes penetrating the enclosure ceiling shall have 12" pipe sleeves, 8" long, packed with ICMS Product 60 and Fiberfrax as shown on Figure 4, Attachment IV.

3.16.2 Small Penetrations All conduits and small pipes penetrating the enclosure ceiling or the concrete block wall shall have 6" pipe sleeves, 8" long, packed with ICMS Product 60 and Fiberfrax as shown on Figure 5, Attach-ment IV.

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1 4-18 s

APPENDIX A QUA0 3-80-007 ATTACHMENT IV QUAD-5-80-006 R'evision 0 2" -- CONC. SLAB (FRAME) k ^9 ' V' a

/\

a a

.a.

I zis O, 'h* I i ig N -STEEL FRAME -

INACTIVE FILL WITH CEMENT i

LEAF I A-A MORTAR i

I l gi h h_

l @ HEAD BOLTS OPERATED

& FOOT l MANUALLY FROM rA ;q INSIDE.,

C=3 INACTIVE Ih I

LEAF I I

@ APPROVED AUTOMATIC I DOORCL0gER I I , 3,, 10' 7" HI g WITH 212 F FUSIBLE LINK, i

I lg ARRANGED SO l AS TO DISCON-I ACTIVE NECT OCCASIONALLY i

I LEAF FOR 180 CEGREE 1 l OPENING OF 000R.

KNOB I &O = 1 i

uTG I I

I l[

I i

i d '

i ll $

/ '

i i  ;

9 I I li i FLAT PLATE ASTRAGALS l

9 TO BE PROVIDED 4 6" CURB I ON ACTIVE LEAF AND ON RIGHT EDGE OF 2*-8" __ _ 2'-8" _

UPPER INACTIVE LEAF.

b i k .

3 7 STEEL FRAME ACTIVE LEAF ASTRAGAL { (SAME AS SEC A-A)

(ANDUPPER INACTIVE LEAF) FIG'URC 1 FIRE DOORS 4-19

ATTACitMENT IV QUAD-5-80-006 MAX RIVER ELEVATION (FSAR 2.7-6)

Revision 0

• 150 YEAR FLOOD 687.8' 1000 YEAR FLOOD 693.5' MAX. FLOOD 703.6' [/A RN VA(E APPR0X. EL. 680' C0ll-FAN

) UNIT

. }l TS (MAX. FLOOD DIFFERENTIAL '{ ~

HEAD = 23' = 10 PSI USE A SPRING LOADED CllECK VALVE TO HOLD.

~~ Y -~  !

l l

10 PSI TO PREVEt:I FLO!! 3/4" OD SS TUBING l l

TO DRAIN DURING lilGli i RIVERLEVELS) its o

f (SPhiNG CHECK 10 PSI CRACKING VALVE PRESSURE) 1

- ELECTRIC FIRE PUMP CONTROLLER VALVE X TilROTTLING RIVER BASIN \[FLOORDRAIN ELECTRIC FIRE PUMP FIGURE 2 FLOW DIAGRAM - FIRE PUMP ENCLOSURE COOLING UNIT A4-2

ATTACHMENT IV QUAD 5-80-006 Revision 0 g* COIL INTAKE

(

FAN b EL 8 '-2"

/

7 MOTOR DISCHARGE h N p /

\ #

L R ORALN I j FIRE N \ FIRE. PUMP WATER / \ CONTROLLER s

. NN -

d

/fNL>

MOTOR N,,

p ,

o

9 h s-

! 2 N

h SEE ATTACHMENT VII FOR DESCRIPTION FIGURE 3 FIRE PUMP ENCLOSURE COOLING UNIT ARRANGEMENT 4-21

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ATTACHMENT IV QUAO-5-80-006 Revision 0 AREA COVERED BY FLAMEMASTIC 77

?

\ 0 )

(g) U 24" .

~

V (APPROX.)

& m GA 2" FIBERFRAX DAM

-VOID - FILL WITH (TO,P)

ICMS PRODUCT 60 SEE NOTE 2 PIPE SLEEVES 1 '.

9" LONG, 2 REQ.

c.9:egay , ' .o6 AG

9a yc. .

.- 6 6.'o' ab.c C7.:;O -

.A.':Q:9a.g. . - - P. h.p:- - -

%cQaL*:9 1" FIBERFRAX OAM l

(BOTTOM SIDE)

NOTE 2: APPLY 1/8" C0ATING OF FLAMASTIC 77 8" REINF. CONC.

TO TOP SURFACE ONLY. l ROOF SLAB FILL CRACKS, IF ANY, AFTER DRYING, WITH SAME MATERIAL. (PURPOSE IS v c CD) A TO XEEP MOISTURE AND/0R OIL OUT OF PENETRATIONS, NOT REQUIRED FOR EIRE NOTE 1: THIS DESIGN IS QUALIFIED RESISTANCE.) 4TER PIPES BY SUCCESSFUL 3 HOUR FIRE TEST AT SOUTHWEST RESEARCH

"' 'oMP DISCHARGE)

SEC A-A INSTITUTE, THEIR PROJECT N0.

03-5734-001, PENETRATION N0. 2 TEST REPORT DATED NOV. 30, 1979.

FIGURE 4 LARGE PIPE PENETRATIONS 4-22

ATTACHMENT IV QUAD-5-80-006 REV8Sf0N 0 AREA COVERED BY h A l FLAMEMASTIC 77 A

[

A A O

V

/ ~

VOID - FILL WITH ICMS 2" FIBERFRAX OAM (TOP)

PRODUCT 60 SEE NOTE 2 8" REINF. CONC.

\ .- 1 a ROOF SLAB

%_mg a O : <3 c.O h, N.9 ';G .:.

c; Q " -

. . y .d. ' '- O P.-

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....3.c a..oo,;6::.O.

. .. .. o .a O . D f. .:. 9 . ..

.o.

. . a...

1" FICERFRAX DAM (BOTTOM) 9" LONG , STEEL 3 1/2" CONDUIT SEC. A - A (EXISTING)

NOTE 1: THIS DESIGN IS QUALIFIED NOTE 2: APPLY 1/8" BY SUCCESSFUL 3 HOUR FIRE COATING OF FLAMEMASTIC 77 TEST AT SOUTHWEST RESEARCH TO TOP SURFACE ONLY.

INSTITUTE THEIR PROJECT FILL CRACKS, IF ANY, NO. 03-5734-001, PENETRATION A'TER DRYING, WITH SAME NO. 14, TEST REPORT DATED MilERIAL. (PURPOSE IS NOV. 30, 1979. TO KEEP M0ISTURE AND/OR OIL OUT OF PENETRATIONSj NOT REQUIRED FOR FIRE RESISTANCE.)

l FIGURE 5 l TYPICAL SMALL PIPE OR CONOUIT PENETRATION 4-23 l

Item 3.2.8 Fire Detector Response In our letter dated November 30, 1979 we provided response testing reports prepared by Pyrotronics, Incorporated for a number of different cable types i used in the Prairie Island plant. At that time, response testing data for several other cable types was not available. The data is now available and i is attached for your information.

t 1

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B AM E N' Pyrotron.icJ 8 Ridgedale Avenue. Cedar Knolls. New Jersey 07927 (201) 267-1300 Cable Address: Baker Pyro o,,,g September 29, 1980 Mr. D. Brown Northern State Power Company Prairie Island N.P.S.

RR 2 Welch, Minnesota 55089

Subject:

Pyrotronics Fire Detectors Response to Burning Cables

Dear Don:

Please forgive our delay in conducting fire tests on the various cable samples you sent to us quite some time ago. As you know, we were and still are having some leakage problems in our smoke exhaust system 19 the fire test room. However, we recently started conducting these tests one at a time at off scheduled working hours and fically have completed the series.

The enclosed test report includes the submitted cable samples as listed below, and we recorded the responses of only our high voltage detector models 3/5A and 5B. These detectors are the type installed in P.I.N.P.S.

Cable Type Test Numbers Belden 1 and 2 Kerite Black 3 and 4 Bcston CSPE 5 and 6 Westinghouse FEP 7 Teflon Jacket dia. 8 and 9 Okonite EPR 1 and 2 (page 4)

Please note that the last listed test of Okonite EPR was conducted previously for Commonwealth Edison. We thought that this informa-tion would be acceptable for your purpose as the cable is of the same type and manufacturer.

5-2

'O A Division of Baker Protective Services Inc

l

, I Page 2.

The results of the tests proved very positive and acceptable fast response by the detectors to both flame and heat exposure to all sample cable types. As we get more experience with these kinds of tests, it is becoming obvious that there is very little difference in the time of detector response to cable insulating materials.

We believe that this information will satisfy your needs, how-ever if any questions arise or if any further details are needed, please let me know.

Very truly yours, ,

Ed Bierwirth Manager of Training ECB/ cmc cc: W. Collins G. Toth i

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