IR 05000412/1980009
| ML20002B205 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 10/09/1980 |
| From: | Feil R, Mattia J, Narrow L, Varela A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML20002B202 | List: |
| References | |
| 50-412-80-09, 50-412-80-9, NUDOCS 8012110079 | |
| Download: ML20002B205 (7) | |
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j U.S. NUCLEAR REGULATORY COMMISSION
Region I Report No. 50-412/80-09-Docket No. 50-412
. License No. CPPR-105~
Priority -
Category A
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Licensee:
Duquesne Light Company 435 Sixth Avenue Pittsburgh, Pennsylvania 15219 Facility 'Name: Beaver Valley Power Station, Unit 2 Inspection at: Shippingport, Pennsylvania
' Inspection conducted: September 22-24, 1980 Inspectors: \\. f.Ak h CC C 7, IfN t
U. Narrow, Reactor ' Inspector date signed
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R. A. Feil, Reactor Inspector date signed bk M $2O A. A. Varela, Reactor Inspector date signed
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Approved by:
CN&
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7. C. Mattia, Acting Chief, date sianed
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Projects Section, RC&ES Branch Inspection Summary:
. Inspection on September 22-24,1980 (Report No. 50-412/80-09)
Areas Inspected: Routine, unannounced-inspection by three regional based inspectors -for turnover of project-inspector responsibilities; observation of' concrete placement; review of settlement monitoring program report; review of QC procedures; and review of the status of outstanding items. The i_nspection involved-38 inspector-hours on site by three regional based inspectors.
Results: No items of noncompliance were identified.
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DETAILS l '.. - Persons ~ Contacted t
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- Duquesne Light Company (DLC)
- R. Coupland, Director of Quality Control H. N. Crooks,' Assessment Director of-Quality Control L
- F. G. Curl, Construction. Engineer-
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- D. W. Denning, Assistant Director'of Quality Control e
D. Hall,-QC Engineer
- J. Long,. Inspection Supervisor, Structural D. - Rohm,- Quali ty Control ' Engineer
- R. J. Swiderski,. Superintendent of Construction g
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~ *G. Wargo, Test Laboratory Supervisor-j
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- R. Washabaugh, Manager, Quality Assurance Department
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R. L. Williamson, Quality Control Inspector
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i Stone and Webster'(S&W)
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- W. H. Bohlke, Project Engineer (Boston)
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W. Chaisson, Engineering Design-Coordinator.
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- S. M. Dew, Head, Site Engineering Office K. Fellers, Welding Specialist,- Construction A. -C. McIntyre, Site Engineering Office A. Mikus, Area Engineer Containment R. Fault, Area' Engineer Fuel Building
- J. E.-Williams, Resident Manager Dick Corporation (Dick)
P. Duafala, QC Engineer
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J. Harding, Concrete Superintendent l
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Beaver Valley Builders Suoply R. Fritz, Quality Control S. Walker, Batch Plant Operator Schneider, Incorporated
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C. W. Hilster, Project Manager
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The. inspectors also. interviewed other licensae and contractor personnel 2-during the inspection.
- Denotes those present at the exit. interview.
'2.
, Plant Tour The-inspector observed work activities.in progress, completed work,' and
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construction status in several areas.
Work' items were examined for obvious
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defects 'and for noncompliance ~with regulatory requirements and licensee
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commitments.
Specific activities observed by the inspector included preparations for concrete placement for the crane wall, rebar installation for fuel and decontamination building base slab and for safeguards building east wall,-
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concrete aggregate and cement storage, batch plant maintenance and scale
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calibration and. calibration of test laboratory scales.
No11tems of noncompliance were identified.
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' Concrete P1a~ cement a.
' Placement Preparation The inspector verified the adequacy of these essential conditions for Pour No.178 of a 10' high by 2' thick segment of the upper containment crane wall.
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' Forms properly secured, leak tight and clean
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Construction joints and keyways adequately prepared
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Rebar properly placed, secured, proper form clearance-
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Cadweld splices, properly centerei, without end voids and without
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slag in tap hole QC preplacement inspection completed / pour card signed off prior
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to placement b.
Mixing, Delivery, Testing, Placement and Curing The inspector observed concrete and grout placement of 48 cubic yards
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by pumping for the containment crane wall and verified conformance to criteria identified in the following:
Beaver Valley Power Station Unit 2, PSAR i.ppendix B and Sections
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-4 Specification No. 904, Placing Concrete and Reinforcing Steel;-
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940, Mixing and Delivery of Concrete; 903, Concrete Testing Services Beaver Valley Site QC Inspection Procedure IP-6.2.3, Preplacement,
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Placement and Post Placement of Concrete Special Procedure FCP-163, Crane Wall Concrete Placement.
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procedure pennits use of starter arout in congested areas of the crane wall and provides nine additional inspection attributes to those. identified in IP-6.2.3 to verify special construction provisions for and assure adequate flow of grout into congested areas
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Work activities and QC inspection were observed, and disctusions with construction engineering supervision and QC personnel were conducted to evaluate conformance to above criteria in the following areas:
Preplacement Preparation and QC inspection
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Delivery, Placement and Testing
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Construction 2nint Preparation and Curing
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No items of noncompi {ance were identified.
4.
Settlement Monitoring Program The inspector reviewed the S&W Settlement Monitoring Program Report which presents the _results of the program to May,1980, a description of the program and its components. The predicted total static settlements for each structure are included and a comparison of measured settlement with that calculated for each structure considers the status of construction and loading to May, 1980. The observed settlements are reported to be less than the total predicted settlements. The maximum differential settlement to date between the incomplete containment building and the safeguards area is in excess of that predicted as of this date.
However, the report states this is not of concern at this time since piping connections between structures have not yet been completed. Settlement markers and piezometers will continue to be monitored and the data plotted and evaluated.
The inspector had no further questions at this time.
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Procedure Review
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The inspector reviewed the procedures shown below for administration and i-
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Procedure 2 BVM-203 for Revisions to Drawings by the Site Engineering
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Office (SEO),revisedJuly'15,1980
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Procedure 2 BVM-204;for Revisions to Specifications by the SEO,- revised
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' June 26, 1980 Procedure 2 BVM-212 for Interim Drawing Control by the SEO, revised
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July 3,.1980
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' Procedure 2 BVM-218 for Handling of Nonconfonnances and Disposition
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Reports.(N&Ds) by the SE0.
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The above procedures were reviewed principally to ascertain the adequacy
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for control of and incorporation of design and field changes in specifications
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and drawings-and to understand how N&Ds generated by DLCs. site OC are processed and, as appropriate, how they are incorporated into final specifications
and drawings for the historic "As-Built" record.
Based on the review of
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above documents, discussions with SE0 personnel the inspector detennined
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I that the site engir group exercise sufficient control of engineering
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. and design coordiri eport '(E&DCR) to assure their incorporation into
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specifications and drhwings.
The inspector observed _the above procedures
1 require SE0 to make a concerted effort to issue revised design documents it within five (S) working days after approval of E&DCR or N&D by the Project i
Engineer.or his designee. The maximum time limit for incorporation of L
these is four (4) months.
No items of noncompliance were identified..
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Review of Nonroutine Events Reoorted by the Licensee t
On August 1,1980 the licensee reported, as a significant deficiency in accordance with 10 CFR 50.55(e), that a "Stop Work" order had been issued
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to Schneider, Incorporated as a result of inadequate weld rod control. On August.29, 1980 the licensee informed NRC-Region I that they were prepared to lift the "Stop Work" order and discussed-the corrective measures which had
been taken to assure adequate weld rod control. The corrective measures
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include organizational' changes to improve the subcontractors control of d
- welding activities,.a revised procedure for weld material control with
- increased requiraments'for verification by supervision, an expanded training
L program and establ.ishment of:an 6dditional QC group for surveillance of weld-material control.
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6 The inspector examined the records shown below and discussed the corrective measures taken with the responsible licensee.
a.
N&D No. 626 which describes the problem, identifies the welds involved and describes the conditions which resulted in issue of the incorrect weld rods. An investigation determined that the problem was limited -
to three field welds; 2-SIS-067-F-04, 2-SIS-071-F-04, and 2-SIS-067-F-
. 03. This investigation included a review of all Weld Material Requisition Forms since start of welding at the site for use of E309-16 weld rod.
Engineering evaluation of the problem concluded that the welds identified were acceptable "as is"..
b.
Schneider, Incorporated letter dated August 25, 1980 to S&W which describes the corrective actions taken to improve weld material control including the following:
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(1) Revised material requisitions and oven controls to assure verification of material issued and in storage areas.
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Organizational changes and position descriptions including assignment of a Chief Welding Engineer with authority and responsibility for the entire welding program (3) An expanded training program c.
The Weld Material Control Training Matrix and Lesson Plan Guide; training course Lesson Plans and records of attendance at training courses-by construction personnet and supervision.
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IP-7.30, " Surveillance of Schneider, Inc. Weld Material Control" which establishes the QC surveillsnce program.
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Training, and qualification records of QC personnel assigned to the OC surveillance gretp.
The inspector was informed that the review of Weld Material. Requisition Forms identified in Paragraph A above had been conducted by Schneider, Incorporated and had not been reviewed by QC.
This item remains unresolved pending an audit of these records by QC (80-00-04).
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Licensee Actions on Previous Inspection Findings (Closed) Noncompliance (79-09-01):
Failure-to maintain drawing change control. The inspector examined; Project Procedure (a) 2 BVM-122, " Verification of Design Criteria Implementation".
This procedure establishes the requirements for final review of drawings and identifies 2 BVM-41 criteria for design and-identification of electrical cable and raceway systems.
(b) S&W Interoffice Memorandum "Use of Hold System per 2 BVM-74" which identifies this problem and states that the affected design should have been identified by a " Hold" and instructs Lead Engineers and Design Supervisors to assure that designs having missing or incomplete information be so identified.
This item has been reviewed during inspection 50-412/80-04 and during R IV inspection 99900509/80-02.
(Closed)UnresolvedItem(80-04-02): Spalling of concrete at embedded anchor plates.
The inspector discussed this question with the responsible licensee representatives and examined a memorandum dated August 25, 1980 (site 2 BVM-1432) from SE0 to Q^ which described the changes to be made for future welds of embedment plates.
The spalling observed was of surface concrete only and had been repaired.
(Closed) Noncompliance (80-06-02):
Control of used or damaged welding electrodes.
Investigation by the licensee disclosed that the welders assistant who had incorrectly disposed of the used and damaged electrodes had not been properly trained and was unaware of the requirements for disposal. The expanded trainiilg program, organizationalchanges and increased surveillance described in Paragraph 6 above will provide the required corrective action to prevent recurrence of such actions.
(Closed) Unresolved Item (80-06-03):
Incorrect weld issue slips.
The actions taken to correct the signficant deficiency described in Paragraph 6 above will resolve this item.
Exit Interview The inspector met with licensee and contractor representatives (denoted in Paragraph 1) at the conclusion of the inspection on July 10, 1980. The inspector sumarized the scope and findings of the inspection as described in this report.
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