ML17054A242
| ML17054A242 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 11/16/1983 |
| From: | Haughey M Office of Nuclear Reactor Regulation |
| To: | Schwencer A Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML17054A241 | List: |
| References | |
| NUDOCS 8312020045 | |
| Download: ML17054A242 (20) | |
Text
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Docket No. 50-410 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 NOV 1 6
]983 MEt10RANDUM FOR:
A. Schwencer, Chief Licensing Branch No.
2 Division of Licensing FROM:
SUBJECT:
DATE 8 TIt1E:
Mary F. Haughey, Project Manager Licensing Branch No. 2, DL STRUCTURAL DESIGN AUDIT OF NINE MILE POINT 2 November 29, 1983 I -:
PM December 12, 1983 p
December 13 thru December 15, 1983 9
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Pl'1 LOCATION:
PURPOSE:
December 16, 1983 9:00 AM 12:00 PM November 29, 1983 Tour:
Nine Mile Point 2 - Plant Site December 12 thru December 16, 1983 Stone He ster offices, Cherry )ll, New Jersey Structural Design Audit Review of design reports and drawings Discussion of special or unique design features Detail analysis results and computer codes Determination of the extent of conformance to applicable design criteria, codes and standards Tour of structural aspects of plant 83i2020045 83iiih PDR ADOCK 05000410 E
0
PARTICIPANTS*:
NRC NMPC S'WEC N. Rademacher M. Haughey L. Yang D. Jeng R.
Gramm (site visit only) 0r~ginal signed by
Attachment:
Guidelines Mary F. Haughey, Project Manager Licensing 8ranch No.
2 Division of Licensing cc w/attachment:
See next page
- Meetings between NRC technical staff and applicants for licenses are open for interested members of the public, petitioners, intervenors, or other parties to attend as observers pursuant to "Open Meeting and Statement of NRC Staff Policy", 43 Federal Re ister 28058, 6/28/78.
DISTRIBUTION:
MHaughey:kw ASchwencer 11/if/83 11/((p'83
~ C 4
Nine Mile Point 2
Mr. Gerald K.'-Rhode-Senior Vice President Niagara Mohawk Power Corporation 300 Erie Boulevard West
- Syracuse, New York 13202 CC:
Mr. Troy B. Conner, Jr.,
Esq.
Conner 5 Wetterhahn Suite 1050 1747 Pennsylvania
- Avenue, N.W.
Washington, D. C.
20006 Mr. Richard Goldsmith Syracuse Uni versi ty'ollege of Law E. I. White Hall Campus
- Syracuse, New York 13210 Mr. Jay Dunkleberger, Director Technological Development Programs New York State Energy Office Agency Building 2 Empire State Plaza
- Albany, New York 12223 Ezra I. Bialik Assistant Attorney General Environmental Protection Bureau New York State Department of Law 2 World Trade Center New York, New York 10047 Resident Inspector Nine Mile Point Nuclear Power Station P. 0. Box 126
- Lycoming, New York 13093 Mr. John W. Keib, Esq.
Niagara Mohawk Power Corporation 300 Erie Boulevard West
- Syracuse, New York 13202 Jay M. Gutierrez, Esq.
U. S. Nuclear Regulatory Comnission Region I 631 Park Avenue King of Prussia, Pennsylvania 19406
ENCLOSURE STRUCTURAL DESIGN AUDIT GUIDELINES BASIC DESIGN CRITERIA A.
General Design Data 1.
Mind and Tornado a.
b.
C.
Mind profile Design pressure on flat and curve surfaces Surface coefficients 2.
3.
4.
d.
Mindward and leeward distribution e.
Gust factors f.
Conversion of wind velocities into forces g.
Effects of missiles from tornadoes h.
Other s Snow and Ice a.
Design loads Flood a.
Design basis flood elevation b.
Design groundwater table elevation Earthquake Design ground motion in the free field a.
Peak acceleration or zero-period acceleration (in g's)
(i)
Operating basis earthquake (OBE)
(ii) Safe shutdown earthquake (SSE) b.
Response
spectra C.
(i)
(ii)
Source:
natural or artificial Composition:
rising time, strong motion duration, decaying time (iii) Baseline correction:
check the integrated velocity (iv)
(v) and displacemnt time histories Time interval Procedure of synthesizing
5.
(vi) Derived response spectra corresponding to time histori es, and frequency intervals used d.
Damping Soil Properties a.
Soil profile layering (i)
Elevation (ii) Depth of layers (iii) Bearing capacity at foundation (iv) Lateral soil pressure, static and dynamic b.
Physical properties of each layer (i)
Type of soil (ii) Dry weight (iii) Shear modulus and shear wave velocity (iv) Poisson's ratio (v)
Bulk modulus (vi) Damping characteristics 6.
Blast Environment a.
Class of explosives b.
Distance of blast c.
Air blast and time pressure curves d.
Ground shock 7.
8.
e.
Missiles and fragme ntati o n Aircraft Impact Envir onment a.
Weight of projecti 1 es b.
Speed of projecti 1 es c.
Expl os ion and forcing function Turbi ne Missiles B.
Applicabl e Codes, Standards and Speci ficati ons C.
Materials 2.
3.
Structural steel modulus of elasticity, Poisson's
- ratio, yield strength and allowable stresses Concrete " modulus of elasticity, Poisson's ratio, ultimate
- strength, and allowable stresses Reinforcing steel - modulus of elasticity, Poisson's
- ratio, yield strength and allowable stresses Others (Specify)
J-2
J
II.
GENERAL METHODS OF ANALYSIS AND DESIGN A.
Static Analysis B.
C.
1.
Overall analysis
- 2. 'ocalized analysis 3.
Computer codes used Seismic Analysis 1.
Selection of masses and degrees of freedom 2.
Number of modes considered 3.
Consideration of three components of motion 4.
Consideration of torsional and translational response 5.
Soil-structrue interaction 6.
Development of floor response spectra a.
General procedures b.
Smoothing c.
Peak widening d.
Typical results 7.
Computer codes used Buckling Analysis Load Combinations E.
Design Consideration for Tornado and Turbine Missiles 1.
Design requirements 2.
Local damage 3.
Overall response 4.
Conformance to SRP 3. 5.3 F.
G.
H.
Special Considerations for Containment Structure 1.
Ultimate capacity analysis 2.
Special design loads " in addition to general design loads listed in Section I a.
Dead and live loads for var ious operating floors and base slab b.
Internal pressure and temperature c.
Pool dynamic loads (BWR only) 3.
Analysis of penetration effects 4.
Tangential shear (concrete containment only) 5.
Steel liner analysis (concrete containment and concrete basemat only)
Interaction with Non-Category I Structures equality Control Criteria J-3
III. SUl1MARY OF ANALYSIS AND DESIGN A summary of analysis and design should be provided for each structure or item listed in Section IV.
6 A.
B.
C.
D.
E.
F.
G.
H.
K.
General layout, dimensions, sections and details Generation of applicable dead and live loads Mathematical model; including idealized
- masses, geometrical and physical properties Summary of dynamic responses Computer input (if applicable)
Computer output (if applicable)
Governing load combinations and critical sections Design parameters for proportioning structural members Summary of key results Factor of safety against overturning, sliding and flotation (for foundations only)
Verification that drawings reflect design calculations 6
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IV.
AUDIT ITEMS A.
Containment Building 1.
Containment Shell 6
8 2.
2.
3.
4.
Internal Structures (BWR plant) a.
Drywell wall b.
Weir wall c.
Operating floor d.
Reactor vessel supports or predestals e.
Coolant pump supports f.
Cable trays and their supports g.
Reactor shield walls h.
Polar crane support Other structures (specify)
Internal Structures (PWR Plant) a.
Reactor vessel support b.
Reactor coolant pump support c.
Steam generator support d.
Primary shield walls e.
Secondary shield walls f.
Operating floor slab g.
Cable trays and their supports h.
Polar crane support Other structures Foundation Mat Including Reactor Pit Audit of Key Designs For each key design area audited, the design calculations should be reviewed together with applicable drawings,
- sketches, etc.
Also, key details and/or sections, as appropriate, in this audit report should be included.
a.
Containment liner design (i)
Conformance with ASME 88PV Code Section III Div. 2-Article CC-3000 and Div. 1 for fatigue and tensile evaluation if liner is subjected to such loads (ii) Key liner locations (iii) Forces and displacements obtained from computer analysis J-5
(iv) Liner anchor design (v)
Key penetration design Fuel pool liner design (i)
Analysis (ii) Conformance to code (iii) Corrosion effects (e. g. pitting) on liner integrity Containment Hatch Design (i)
Model, design assumptions and analysis procedures (ii) Governing load combinations (iii) Conformance to CC-3000 Containment wall-base mat junction design (i)
Design requirements and model (ii) Governing loads (iii) Key results (Forces, moments
& stresses)
(iv) Section showing details (v)
Any waterstop membranes at the joints their design considerations and installations (vi) Conformance to CC-3000 Dome to cylinder junction design (i)
Design requirements and model (ii) Governing loads (iii) Key results (Forces, moments
& stresses)
(iv) Sections showing details (v)
Conformance to CC-3000 Seismic Analysis for Buried Piping and/or Electrical Conduits (i)
Method of analysis (ii) Stiffness calculations (iii) Inputs (iv) Key analysis results Post-Tensioning System (i)
Tendon system used (ii) Prestressing force at transfer (iii) Tendon load under LOCA
'P
(iv) Method used to calculate prestress losses:
Initial Creep and shrinkage of concrete Tendon relaxation or degradation Other losses h.
Buttress Design for Post-Tensioning System (i)
Maximum bursting stress in concrete (ii) Reinforcing provided to resist bursting stresses (iii) Stress under the anchor plate (iv) Allowable stresses (v)
Stress under tendons anchorage (vi) Method for calculation of stresses Other Category I Structures Provide summary of analysis and design for structure and foundation of the following:
1.
Auxiliary Building 2.
Control Building 3.
Diesel Generator Building 4.
Fuel Handling Building 5.
Miscellaneous (specify)
-A V