ML20205L041

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Document Change Notices 1-2 to Rev 12 to Procedure QI-QP-11.0-12, Insp of Pressure Grouted Base Plates & Equipment Bases
ML20205L041
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 02/21/1986
From:
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20205K766 List:
References
QI-QP-11.0-12, NUDOCS 8704020101
Download: ML20205L041 (12)
v • d • e


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~} TUGC0 INSTRUCTION (V 'EXAS UTILITIES GENERATING CO. >

'I QI-QP-11.0-12 Rev. 14 Page 1 of 9

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FEB 281986 DfA # I INSPECTION OF PRESSURE GROUTED bp BASE PLATES AND EQUIPMENT BASES PREPARED BY:

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APPROVED  : ,

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7 AS OF MAR 1:e 1937 ^TE

1.0 REFERENCES

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1-A CEI-25, " Grouting of Base P.la,ces Intp;Egu

%ee tipmen ,e S y' ugs with Ceilcote d50--N Epeg C'rhW'" It i 1-B 2323 SS-9, " Concrete"

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1-C CP-CPM-6.3, " Preparation, Approval, and Control of Operation l Travelers" 1-D QI-QP-il.0-15. " Verification of Base Places for Grouting" l l-E CP-QP-18.0, " Inspection Reports" l

1-F C?-QP-16.0, "Nonconformances" l-G QI-QP-11.2-1, " Installation of Hilti " Drilled-In" Bolts" l

2- " " " "

CONTR0! LED COPY 2.1 PURPOSE CONTROL co.Ermcm This instruction provides the QC Inspector with the acceptance criteria to be used while perfor=ing Epoxy Pressure Greucing inspections on base plates /nenbers and equipnent bases with the use of Ceilcote 638-N epoxy grout or other approved grout as I approved by Engineering in accordance with Reference 1-A & l-3.

2.2 SCOPE This instruction is to be used when inspecting the pressure grouting of ASME Section III, Subsection NF, Class 5 supports; cable tray and conduit supports; other structural supports; and j gaps forned between the cement grout and the nachanical equipment l base after grouting per CCP-16 (due to shrinkage). l l 8704020101 870325 '

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TUCCO INSTRUCTION QI-QP-11.0-12 Rev. 14 Im TEXAS UTILITIES GENERATING CO.

Page 1 of 9

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DEC 22 M INSPECTION OF PRESSURE GROUTED BASE PLATES AND EQUIPMENT BASES PREPARED BY: See original page 1 for approvals DATE APPROVED BY: See original page 1 for approvals DATE APPROVED BY: See original page 1 for approvals DATE

1.0 REFERENCES

1-A CEI-25, " Grouting of Base Plates, Equipment Bases and Shear Lugs with Ceilcote 658-N Epoxy Grout" 1-B 2323 SS-9, " Concrete" 1-C CP-CPM-6.3, " Preparation, Approval _, and' Control of Operation Travelers"

  • 1-D QI-QP-11.0-15, " Verification of Base Plates for Grouting" 1-E CP-QP-18.0, " Inspection Reports" 1-F CP-QP-16.0, " Reporting Construction Deficiencies" l <

1-G CP-QP-11.2, " Inspection of Concrete Anchor Bolt Installation" 2.0 GENERAL /4'

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4 2.1 PURPOSE .- ._

w. , . . . - . N _.u. n. 2; This instruction provides the QC Inspector with the acceptance criteria to be used while performing Epoxy Pressure Grouting inspections on base plates / members and equipment bases with the use of Ceilcote 658-N epoxy grout or other approved grout as approved by Engineering in accordance with Reference 1-A & 1-B.

2.2 SCOPE This instruction is to be used when inspecting the pressure grouting of ASME Section III, Subsection NF, Class 5 supports; l, 3V) cable tray and conduit supports; other structural supports; and gaps formed between the cement grout and the mechanical equipment base after grouting per CCP-16 (due to shrinkage). q QI-QP-11.0-12, Rev. 14, DCN #2 t

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's o DOCUMENT CHANGE NOTICE No. 1 Page _ l of I

1. Proc./ Inst. No. bldll 6 12. Rev. lal Change Proposed By d.[ITEtJ A/2.7'
2. ~ The following change / revision is recor.cended,
a. Description of proposed change (s) /$l1/bJbr. bE (E/2.6,esz.a- l-F rc bc:

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b. Justification for change (s) [f d_ I/ .b OEV b V (,< -~~, . ..

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c. List other procedures / instructions affected by cha'nge(s)

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.j 3. Approval:

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! 'd l DOCUMENT CHANGE NOTICE No. 1 Page 1 of 1 1

1. Proc./ inst. No. QI-QP- ll.0- l_2 Rev. 14 Change Proposed ByLarry A. Bast
2. The fellowing change /ravision is reco== ended.
a. Description of proposed change (s) Change the nueber and title of Reference 1-G to "CP-OP-11.2. Inspection of Concrete Anchor Bolt Installation"
b. Justification for change (s) The existing reference.'0I-OP-11.2-1

, is being deleted, and replaced with CP-OP- 11.2.

c. List other procedures / instructions affected by change (s)

Sin a a - av ~a e ahnee addrassed on additional DCNs initiated for eu, .,-a -a3sen.

3. Approval:

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TUCCO INSTRUCTION QI-QP-11.0-12 Rev. 14

/^fEXAS UTILITIES GENERATING CO.

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FEB 2 6 1986 3.0 INSTRUCTION 3.1 INSPECTION CRITERIA 3.1.1 Preolacement Insoection Prior to grout placement, the QC Inspector shall verify the following:

a. For the individual component that is to be grouted, there is an "unsat" bearing IR generated as a result of inspection in

, accordance with ' Reference 1-A or 1-D. When the design document specifies epoxy grouting of a component, an "unsat" bearing IR is not required.

b. The maximum thickness of epoxy grout for use under base members shall not exceed the following values unless otherwise approved by the Engineer.

\ 1. Inside Containment: 1"'

1 chick maximum

2. Outside' Containment:

1" thick maximum

c. Gaps between mechanical equipment bases and the cement grout (due to shrinkage) require specific instructions on an Operation Traveler issued in accordance with Reference 1-C.
d. Pressure grout placement holes in baseplates/ members shall be located per Attachment #4.
e. Pressure grout placement holes in equipment bases shall be drilled in accordance with the instructions provided by Engineering on an Operation Traveler. Hole si:es shall be 1/4" Q or as specified by Engineering and do not require

- repair, for equipment base places or base plates /= embers.

f. Shim material shall consist of steel shim plates or washers of a si:e necessary to allow proper Hilti bolt corquing without base place defor=ation.
g. Installation of fittings on shear lugs shall be per Attach =ent #5.
h. Surf aces to receive grout shall be free of foreign matter, i.e., dirt, oil; and shall be dry. (Base members and equipment bases)
1. Forms or dams are adequate and of sufficient height to permit placement of grout.

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s FEB 261986

j. For baseplates/ members attached to structural concrete using Hilti expansion anchors, Hilti's required to be to.rqued per Reference 1-G have been torqued. Reference the torque IR #

on Attachment 1.

3.1.2 Placement During grout placerent the QC Inspector shall verify the following:

a. Ceilcoce 658-N shall not be placed unless the surface temperature is at or above 50*F. Infrequent dips in ambient temperature to 40*F are permissible during placement however

, the 91 apsed time the temperature is below 50* ,F shall be -

added to the cure time.

b. The entire content of each of the following constituents has (N been mixed as follows:

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1. Ceilcote 658-N Grout Liquid (Resin)
2. Ceilcoce Hardener
3. Mesh Silica Aggregate NOTE: Mixes of smaller proportions shall be measured by the TUCCO Lab.

L. The hardener has been added to the resin component and mixed thoroughly for 2 minutes.

The silica has been added and mixed j thoroughly with no dry areas remaining.

2. Potlife of mixed grout shall be discarded when first signs of setting occurs. As a guideline potlife at 70*F will be a maximum of 30 minutes.
c. Dial indicators are placed on mechanical equipment bases and l readings are recorded on the Operatic: Traveler. Acceptance criteria for movement is listed on the Operation Traveler.

3.l.3 Post-? lace ent Insoection

a. QC shall monitor post placement of epoxy grouted installa- [

tions as delineated in Paragraph 3.2 in order to verify that d item / component has not been placed into service prior to the below listed cure time.

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TUGC0 INSTRUCTION r~' QI-QP-11.0-12 Rev. 14 TEXAS UTILITIES GENERATING CO. e) Page 4 of 9

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DEC 221986 Surface Temp. 'F Hours of Cure (minimum) 50 - 69 72

- 70 - 89 18 90 - 110 16

b. After grout placement, verify that grout fills all visible areas requiring bearing as specified in Reference 1-D.

3.2 INSPECTION FREQUENCY The QC Civil Inspector shall witness all grouting activities outlined in this instruction on all mechanical equipment bases defined in Paragraph,2.2 and on all items requiring a grout card or traveler, in Seismic Cat. 1 Buildings.

3.3 DOCUMENTATION

/' Base plate / member and equipment base grouting shall be documented I

on an Inspection Report (Attachment 1, 2 & 3) per Reference 1-E and/or an Operation Traveler per Reference 1-C.

l 3.4 REPORTING CONSTRUCTION DEFICIENCIES All unsatisfactory conditions shall be documented on an Inspection Report per Reference 1-E using Attachments 1, 2, and 3 and/or an CDR per Reference 1-F. l

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Ov QI-QP-11.0-12, Rev. 14, DCN #2 9 i

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FEB 2 61986 C ACHFS T 1

.wic3E*in sitM Iu:7AI: M I:n lll!PECTION RE?CRT i ,',

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Excessive zans aoorovea bv Eneineerins !.ist:

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3ase messer trou: slacement holes are stooeri.r placed. I i' l l (V) ;. I toutenen: base grout slacanent holes are drilled in i i i l l

accorsance vt:a :he instructior.s 3rovided by tne 1 l ! I Instneer. '.i st ! I t I J

'V' '. I ehin *.sterial. if aseo. i l l I IV) 4 I Thear lue fittines are corree: size and scooeriv sLaced.i ! l l fv1  ? I surfsees to receive treue are free of foreign nat ar i f I l l ano surfaces are frar. I ! ! l I

,JV) 3. Forms or dans are aceeuate and of sufficient neignt to ! l '

l l oe rie slacement of trout. I I l l IVi 1 I Ril:1 exoanston ancnors recuirine torcuing save ' seen  ! . l l l torcued. *orous I27 i l l l

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if *nside Cantainment. I I I

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FEB 261986 ATTACafENT 2

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  • I IN!?ECTION REPORT ino, t
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nsnc::an nitrt:ation :ssn: ren :nsne ism ~ tasite:::n a ra18 stinis 2 :ssstet:aa c:mstra. au se*'. tem.c :it=s sarstractsar
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IN57E CION A U M EUTE!  ! :l. -

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m t. i Surfaca connerscure of 50*F sini::nmi for sLacement of 3 I i f I I erouc finfrecuent diss in an~ient o comoerature'co 40 7 I I I I l I is accostacle durine slacement) Record I l ! I r i i  : ! 6 Ll '

"Ji Mixine soerscion of C411 core 653-N. l  ! ! (

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s 'J) 3. I Poclife is not exceeded. I i I I -

i i l i i m a. I Dial indicscars are siacea on eouissent bases and I l ! l I readings are recorned on the Coeracion Traveler. l l l l l I i l i I i i l I i .I I I I I I I i i l I i ! I I I i i i l I i *i l i f I I i .

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! Ver1*v that ecoxv trouteo areas have not been olaced i i i

[ i into ser rice setor to the recuireo cure ti:ne. I i i

i , i l 6 List installations verified below  !  ! l 1

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Recore surf ae. temoerature: i i l I

a. Comolation of 31acement i i  !

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5. Comnietion of curing i l i l I

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?) *. I verify that trout fills all sisible areas recuiring i i [ }

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FEB 281985 ATTACHMDIT 4 FLAT PLATE BASEPLATE SHADED AREAS REPRESENTS ALLOWABLE 1/4" VENT AND FILL HOLE LOCATIONS 1" TYP t l l 4 ANGLE BASEPLATE SHADED APIAS REPRESENTS ALLOWABLE 1/4" VENT AND FILL HOLE LOCATIONS

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1b CONCRETE ANCHOR i i pI' i I" TYP NOTE: N0 HOLES SHALL BE DRILLED IN __

g AREAS OTHER THAN SHOWN WITHOUT APPROVAL OF THE RESPONSIBLE

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.GCHOR NOTE: NO HOLES SHALL BE DRILLED IN AREAS OTHER THAN SHOWN W/0 APPROVAL OF THE RESPONSI3LE ENGINEER.

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( s i Page 9 of 9 FEB 2 61985 ATTACHMENT 5 1/!4" GREASE FITTING FURNISHED BY BUILDING DEPT.

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