ML20138M800
| ML20138M800 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak, 05000000 |
| Issue date: | 07/26/1979 |
| From: | TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | |
| Shared Package | |
| ML20138M609 | List:
|
| References | |
| FOIA-85-59 QI-QP-11.4-8, NUDOCS 8511040424 | |
| Download: ML20138M800 (5) | |
Text
.
TEXAS UTILITIES GENERATING CD.
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RE/ISICN PAE CPSES QI-QP-11.4-8 Rev. 1 7-26-79 L of 5 INSPECTION OF PREPARED 3Yr N.
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lf--7' SPECIAL f
' Data COATING
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q M 7'M-I OPERATIONS APPROVED BY:
.Date 1.0
- - -- McES 1-A C7-QP-11.4, "I:spection of Protective Coatings" t
2.0 vr u.4L
- his Instruction will supplanent the require =ents of Ref. li-A for 1:spection oL special coatings. Inspections shall be documanced the Special. Coarings Operation Checklist (Figure 1).
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.-sha'1. verify (by Qualification Record or list of c-* ' d 'ied aW ' -... from QA file) that the coating applicators r sach shif: are c:alified for safety-related c:ating work.
l 3.2 514G cN eh VERIFICATION 3.2.1 7..--d e F*---ds?=
Tle=rification N 7= -T- - - shaII. inspect the coating material containers prior L 4 e==e- - -for product identification and verify that h =1=. ara cere =ce for special coating procedure application.
3.2.2 w =1
^ = " -- h hInspe nall witness each mixing / chinning eperation.
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REVISICN PAGE CPSES QI-QP-11.4-8 Rev. 1 7-26-79 2 of 5 s
3.3 P3.L-APPLICATION OPERATIONS 3.3.1 andaient conditions he conditions / surface temperatures are acceptable for appli-
- stfan or surface preparation. The Inspector shall determine air tammarature, relative humidity and dew point. A calibrated humidity
-"er (Bristol 4069 TR or equivalent) shall be used for air
.2mmperatura datermination. A calibrated non-mercury filled wet bulb
-cer or a calibrated humidity recorder (Bristol 4069 TE or eenivalent) shall be used to determine relative humidity. The dow point shall be determined by the dif*erence in dry and wet bulb temperaturas using the U.S. Department of Commerce Weather Bureau Psychrammeric Tables, W.B. No. 235. The surface temperature shall be deternised by placing a calibrated surface temperature thermometer (Onega-Ampeche Fastemp, Range 10-15007 thermometer or equivalent) in contact with the surface. The thermometer probe shall remain in contact with the surface until the temperature reading ~ stabilizes,-
ae-. Manufacturer's Data Information r.
35-1195-CC7-30; Special Coating Procedure requirements 3.4
- -a em I:r.3 APPT.ICATION 3.4.1 I M a1 Cczeliance he Inspector shall verify that all application steps' of the "Special Candng Pr2cedure" are accomplished.
3.4.2 0--- Fil:s %'-s (UFT)
Thm7 shall perform a DPT inispection of the cured conting hin, accordance with SSPC-PA2-73T. A calibrated 0-25 mil Elco-asser 7-
- - = IIIT gase, model 111/1E or equivalent, shall be used. Tha'DFr data will be averaged as described in SSPC-PA2-73T for esc!: LOO (appraz.) square foot area. Areas of 40 square feet or Isas shall hswe a minimum of two spot readings taken and averaged.
Ae Manufacturer's Data Information 3.
35-1195-CCP-30, "Special Coating Procedure" requirements.
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RE/ISICN PAGE C?SES QI-QP-11.4-8 Rev. 1 7-26-79 3 of 5 3.4.3 visual Defects Inseection he Inspector shall perform a visbal inspection of the coated
_szn: face for the following defects:
_. a Runs / sags b.
Skips / holidays c.
Dry spray d.
Overspray e.. Conc==inmeds f_ Pinholes g.
Disconti:nzities:
C.itaria:
8 A.
Manufact=:e: s. Data Information 3.4.4 Cea:ing Cure
.h Inspectnz shall. monitor ambient conditions (ce:nperature, M4ty) aftar. thcoating is applied to determine when " tack l
fema" and when c:::a-is adequate for any further coating operations
- ~
.commecca. A.:alibrated wet bulb / dry bulb thermerater, cali-
_- n ed temperatzwihumidity recorder, or local weather station
- 2:a.may be.usec.
3.5 7*RAL ACm'=:: ~
^ = %=pec:or =h=1' decernine that all FCRS. and NCRs are ccuplete
-r to ' :- 2 M dating Final Acceptance on checklist.
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CPSES QI-qP-ll.4-8 Rev. 1 7-26-79 4 of 5 FIGURE 1 L
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