ML20138P329

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Rev 0 to Instruction CP-EI-4.0-51, Control of Protective Coatings Field Verification Activities
ML20138P329
Person / Time
Site: Comanche Peak, 05000000
Issue date: 02/17/1984
From: Wells M
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20138M609 List: ... further results
References
FOIA-85-59 CP-EI-4.0-51, NUDOCS 8511070063
Download: ML20138P329 (5)
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i HECO DUINEERItG DIVISION INSTRUCICN REVISICN E PAGE

~ CClfrROLLED CCPY 20. CP-EI-4.0-51 0 2-17-84 1 of 5

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U CCNTPOL OF v.uu.xIVE CI'ATItES FIELD VERIFICATICN A CIVITIES G& 1 M >/

a PREPARfD BY

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APPPOVED BY 6 &

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_ g, REFERENCES

%',1.0 1-A CP-EP-4.0 Design Control 1-B CCP-30 Coating Steel Substrates Inside Reactor Building and

.Q;$'.' Radiation Areas 1-C C P-40 Protective Coating of Concrete Surfaces

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e" 2.0 Ga'ERAL . .

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2.1 PURPCSE

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To describe the program used by Ehgineering (by walkdown) for field verificatica of protective coatings. 'Ihis instruction is established to ensure the integrity of design control activities specified per Feference 1-A.

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2.2 SCCPE

'Ihis instruction is applicable to areas previosuly " final acceoted" (by gaality control crganizations) in wnich protective coatings may have been subjected to minor damage and require minor repair.

/ 2.3 RESENSIBILITY

'Ihe CPP Civil / Structural Engineer has been delegated the responsibility for the 1:rplementation of the measures described herein.

Where specific individuals are identified by position in this instruction, prcperly authorized designees may be delegated to act in that capacity.

2.4 DEFINITICIE 2.4.1 Mince Damaae -

Type 1 - Damage of finish mat only regardless of size - primer and/or intermediate coat unaffected.

Type 2 - Damage to primer m at regardless of size. (Substrate unaffected).

Type 3 - Damage to substrate for areas less than or equal to 4 sq. in.

8511070063 851016 PDR FOIA GARDE 85-59 PDR ,

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, TGCO ENGINEERI:G DIVISICN' Ih u aX.TICN REVISION ISSUE PAGE DATE CP-EI-4.0-51 0 2-17-84 2 of 5 2.4.2 Major Damace Damage to substrate for areas greater than 4 sq. in.

3.0 INSTRUCTION 3.1 MINOR DAMAGE REPAIR Based tpon the type of damage, all repairs shall be performed as follows by qualified applicators using approved materials as established by previously approved construction procedures / instructions.

a. Type 1 - Remove foreign matter, solvent wipe and apply finish asat (1 to 3 mils).
b. Type 2 - Lightly abrade, solvent wipe and apply finish asat (4 to 6 mils).
c. Type 3 Minor - Abrade, solvent wipe and apply finish coat (4 to 6 mils). .

3.2 MAJOR DAMAGE REPAIR Major damage shall be repaired as follows.

a. A traveler will be issued for any area or iten that has not been c:ated, or requires major repair.
b. Se area or item will be cleaned and coated in accordance with Reference 1-B or 1-C.
c. Inspection will be in accordance with the appropriate QC procedure (normally QI-QP-11.4-26 or QI-QP-11.2-27).

3.3 FIELD VERIFICATICN Repair activities shall be verified by Ehgineering by c:mpletion

'of the Coatings Walkdown Report (Figure 1) in accordance with Attachment 1.

Upon ampletion of repair activities, the ocupleted report shall be forwarded to the aspropriate building management group for subnittal to the Permanent Plant Records Vault (?PRV). After submittal, building management controls will preclude additional

oatings activities in the area (s) specified on the report.

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TLECO CXIINEERING DIVISION INSTECTION REVISICN ISSUE PAGE

' DATE CP-EI-4.0-51 0 2-17-84 3 of 5 Note, for repair areas where travelers are required, engineerirq shall be notified of traveler completion. Completion of the traveler (and notice) shall constitute completion of the walkdom for that area.

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'1%~. % ) ENGI:EERING DIVISION INSTFL'CIICN REVISION ISSUE PAGE

! CATE CP-EI-4.0-51 0 2-17-84 4 og 5 I

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! ATIAQtiENT 1 EDIN CCMPIETICN Re Coatings Walkdown Report (CNR) form shall be completed as follows. Se for:n should be coropleted using black ink or equivalent. i a) Al or B1 Area - Work scope (area, coam, etc.) as designated by the ayyovgoiate building management group.

b) A2 or B3 Repair or Touch-uo - Specify type of damage as defined per Section 3.1.

i l c) A3 or B4 Coatings - a) Specify the brand and product number of the i

coating. We " Batch Iog No." and "date" i shall be obtained from the construction I mixirg station.

b) Specify the name of the applicator.

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d) B.2 Item (Steel Surface only) - Specify the structure, part or item. / ,

I e) Signed By & Date - Re CAR shall be signed and dated by the CPP Civil Engineer or his designee.

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Note: If re repair or touch-up is required, NA the Section.

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INSTRUCTICN REVISICN ISSUE PAGE U.XTCO DGINEERUG DIVISICN DATE CP-EI-4.0-51 0 2-17-84 5 of 5 FICTv'RE 1 CCATINGS WALKDWN REPORT (TYPICAL)

A. CDNCRETE SURFACE

1. Area:
2. Repair or W:

a) ?jpe (Reference Section 3.1)

3. Ccatings:

a) Finish Coat Required Batch tog No. _

Date b) 02alified Applicator .

B. STEEL SURFACE

1. Area:
2. Item:
3. Repair or Touch-up:

a) Type (Reference Section 3.1)

4. Coatins:

a) Finish Coat Haquired , Type & Batch tog No. ,

Date b) O nlified Applicator .

Signed by:

.Date:

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