ML19290D496
| ML19290D496 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 02/08/1980 |
| From: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Eric Turner HOUSTON LIGHTING & POWER CO. |
| References | |
| NUDOCS 8002220061 | |
| Download: ML19290D496 (1) | |
Text
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'o UNITED STATES
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611 RYAN PLAZA DRIVE, SUITE 1000 0,
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,o February 8, 1980 In Reply Refer To:
RIV Docket Nos. 50-498/IE Information Notice No. 80-05 50-499/IE Information Notice No. 80-05 Houston Lighting & Power Company ATTN:
Mr. E. A. Turner, Vice President Power Plant Construction and Technical Services Post Office Box 1700 Houston, Texas 77001 Gentlemen:
The enclosed IE Information Notice is forwarded to you for information.
No written response to this Information Notice is required.
If you have any questions related to the subject, please contact this office.
Sincerely, l
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K.p V. Seyfrit Director
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Enclosures:
1.
IE Information Notice No. 80-05 2.
List of Recently Issued IE Information Notices 800222o 0 6
SSINS No.:
6870 Accession No.:
UNITED STATES 7912190673 NUCLEAR REGULATORY C0hMISSION OFFICE OF INSPECTION AND ENFORCEMENT T~~g~'
4 WASHINGTON, D.C.
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IE Information Notice No. 80-05 Date: February 8, 1980 Page 1 of 1 CHLORIDE CONTAMINATION OF SAFETY RELATED PIPING AND COMPONENTS A Bechtel Power Corporation Study at the Wolf Creek Project has revealed that a fire retardent coating is potentially corrosive in contact with stainless steel.
Albi "Duraspray" is a fire retardent coating which contains magnesium oxychloride, and is used for fireproofing of exposed structural steel in some Nuclear Power Pla nts. There appears to be no deleterious effect when it is applied over unprimed, inorganic zine coated, or galvanized steel, however, it may be corrosive in contact with stainless steel, bare aluminum or copper. Droppings or overspray of this material cannot be properly removed with water.
Diluted Nitric acid has been proven to be a useful cleanser, however, it presents a safety hazard.
Applicants and holders of construction permits and licensees of operating power reactors are advised to protect all stainless steel, copper and aluminum material from overspray and droppage of cementitious oxychloride materials and to remove accidently applied materials immediately and completely employing strict safety precautions during the process.
Special attention should be given to weld areas in any removal procedures.
No written response to this information notice is required.
If you require additional information regarding this matter contact the Director of the appropriate NRC Regional Office.
IE Information Notice No. 80-05 February 8,1980 TISTING OF RECENTLY ISSUED IE INFORMATION NOTICES Information Subj ect Date Issued To Notice No.
Issued 79-34 Inadequate Design of 12/27/79 All holders of of Safety-Related Heat power reactor Exchangers Operating Licenses (OLs) and Con-structior. Permits (cps) 79-35 Control of Maintenance 12/31/79 All power reactor facilities and Essential Equipment with an Operating Licenses (OLs) and Construction Permits (cps) 79-36
. mputer Code Defect 12/31/79 All holders of power reactor Stress Analysis of Piping Operating Licenses (OLs)
Elbow and Construction Permits (cps) 79-37 Cracking in Low Pressure 12/28/79 All holders of power reactor Turbine Discs Operating Licenses (OLs) and Construction Permits (cps) 80-01 Fuel Handling Events 1/4/80 All holders of power reactor Operating Licenses (OLs) and Construction Permits (cps) 80-02 8X8R Water Rod Lower 1/25/80 All BWR Facilities End Plug Wear holder of power reactor Operating Licenses (OLs) or Construction Permits (cps) 80-03 Main Turbine Electro-1/31/80 All holders of power Hydraulic Control System reactor Operating Licenses (OLs) and Construction Permits (cps) 80-04 BWR Fuel Exposure in 2/4/80 All BWR's holding a Excess of Limits power reactor Operating License (OL) or Construction Permit (CP)
Enclosure