ML20234B092
| ML20234B092 | |
| Person / Time | |
|---|---|
| Site: | Limerick  |
| Issue date: | 06/24/1987 |
| From: | Johnston W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Kemper J PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| References | |
| NUDOCS 8707020219 | |
| Download: ML20234B092 (7) | |
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Docket No.
50-353 Philadelphia Electric Company ATTN: Mr. John S. Kemper Senior Vice President 24 E o.
Engineering and Production 2301 Market Street-Philadelphia, PA 19101-Gentlemen:
Subject:
NRC INDEPENDENT MEASUREMENTS 1
l The NRC will perform an independent verification inspection during the period l
July 27 - August 7,1987 at the Limerick Generating Station, Unit 2 Limerick, i
The NRC Nondestructive Examination (NDE) Van will be utilized to l
reexamine on a sampling basis, your pipinC installation and NDE activities as a l
supplement to our current inspection program.
l The inspection will consist of a review of the Preservice Inspection (PSI) and a reperforming of the NDE for a sample of the previously inspected welds. We anticipate we will require 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> each night, distributed over the two week period of containment access to perform radiography.
We will require restricted personnel access to containment for radiological safety purposes.
Members of your staff will be kept informed of our inspection progress and significant findings. An exit meeting with members of your staff will be L
conducted.on August 7, 1987, in accordance with our normal procedures.
The l
evaluation of our examination results and preparation of an inspection report will be completed and the results of the inspection will be transmitted to you through the standard NRC inspection. report.
Additional information relating to the NDE Van activities at Limerick Generating Station, Unit 2 are discussod in Attachments A, B and C, enclosure 1.
If you should have any further questions regarding -this planned inspection, i
please contact the assigned Resident Inspector, or Harry W. Kerch at (215) 337-5264 of the NRC Region 1 Office.
Your cooperation in this matter is appreciated.
Sincerely, Orirl: d 515n'dBY8 JacqueP.D er g
William V. Johnston, Acting Director i
Division of Reactor Safety
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Philadelphia Electric Company 2
cc:
i S. J. Kowalski, Vice President. Engineering and Research W. T. Ullrich, Superintendent, Limerick 2 Project J. M. Corcoran, Quality Assurance Manager Troy B. Conner, Jr., Esquire Eugene J. Bradley, Esquire, Assistant General Counsel Public Document Room (PDR)
Local Public Document Room (LPOR)
Nuclear Safety Information Center (NSIC)
NRC Resident Inspector Commonwealth of Pennsylvania bec:
Region I Docket Room (with concurrences)
Management Assistant, DRMA (w/o encl)
Section Chief, DRP Robert J. Bores, DRSS i
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1 DATA. PACKAGES - ATTACHMENT A After the welds have been selected for NDE inspection, we request that you J
prepare a package containing the following on each weld-1 Inspection Report Weld History (QC History)
Material Certifications for base materials Weld Wire Certifications Piping drawings, isometric of welds locations NDE Reports on all NDE performed NDE Procedures for RT, PT, MT and VT Weld Procedures Bolt Torquing Procedures (Structural and Pipe Hangers)
Piping and Installation Procedure (only section that specifies code and addendt.)
The assembled packages should be forwarded to:
US Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, Pennsylvania 19406 ATTN:
Mr. Harry Kerch I
4 SUPPLEMENTAL NDE VAN INFORMATION ATTACHMENT B 1.
NDE Van Support Requirements We request that the NRC-NDE Van be positioned as near as practicable to the containment area entrance to facilitate the performance of inspec-tions.
a.
The van requires the following connections while sited at your facility:
Site water with a garden hose connection - this water is for film rinse.
Requirement for film rinse water drain (continual).
No chemical disposal will occur from the' van without prior concurrence from appropriate licensee personnel. At the end of the independent inspection, the NRC needs to dispose of the film developing chemicals prior to moving the van from the site.
Two 30 amp,110 volt circuits are required for operation of the van.
b.
The van will contain PT and MT approve materials. The team will need two rolls of your chemically approved tape and two approved markers for identifying welds and marking weld areas.
c.
It will be necessary for you to remove the paint, rust or other mate-rial that could interfere with PT or MT on the selected welds. Also, we will need scaffolding erected and insulation removed for access.
2.
Administrative Information a.
The radiation source will be a nominal 100 curie IR-192 source. This source is licensed by NRC, but owned by the NRC contractor, b.
The names of the NRC and contractor NDE personnel will be supplied to you by Region I.
Clearance for these personnel is necessary.
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Attachment B (Continued) c.
We request that you hold a mini-radiation safety training course for the NRC NDE personnel. This course should familiarize the personnel with your facility and procedures and should not exceed 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> in length.
d.
A camera site pass will be needed for a Canon AE-1, 35 mm, camera, Serial No. 1969401.
e.
The NDE personnel will be using 5 watt Motorola radios on the site;
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the frequency used by the NRC is 165.6625 MHz.
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l SCOPE OF INSPECTION ATTACHMENT C The NDE van team will perform the following examinations and inspections as
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appropriate:
i Radiography:
l Pipe butt and socket welds and other appropriate pressure boundary components.
Ultrasonics:
Flaw detection and material thickness measurements, as appropriate, of piping, welds, structural components, vessels, heat exchangers, bolts and other equip-ment.
Liquid Penetrant:
Piping system components and structural elements.
Magnetic Particle Piping system components and structural elements.
Hardness Testing:
All of the previously listed components.
Windsor Probe:
Safety related concrete.
Delta Ferrite Indications (Severn Gage};
Stainless steel welds.
Alloy Analysis:
Selected metallic components will have confirmatory chemical analysis performed.
Visual Examinations:
Weld quality and configuration verification of piping and structural systems.
Quality Records Review:
Welding documentation, materials and personnel certification, NDE records to include radiographs.
c
The following personnel will participate in the NDE Van Inspection at the Limerick II facility and will require clearance:
NRC Name SSN Clearance Harry W. Kerch 262-36-6218 Q - Region I Richard H. Harris 191-28-2877 Q - Region I Contractor Name NRC Clearance SSN Company l
Johnny Peters L-HQ20136 445-46-6605 Consolidated X-Ray Corp.
David Riska None 378-46-4436 Consolidated X-Ray Corp.
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