ML070670323

(Westinghouse AP1000)

ML070670323
Person / Time
Site:	Summer, Bellefonte, 05200006, PROJ0740
Issue date:	03/01/2007
From:	South Carolina Electric & Gas Co
To:	Office of New Reactors
References
+reviewedjms3, AP1000
Download: ML070670323 (13)

Text

Virgil C. Summer Nuclear Station Units 2 & 3 (Westinghouse AP1000)

LEEVOGTLE SUMMER Aerial Photo

• Shortcut to 8991G-OVERVIEW-D-8x11.jpg N VCSNS UNITS 2&3MONTICELLO RESERVOIRVCSNS UNIT 1PARR RESERVOIR(BROAD RIVER)

PARRFAIRFIELD PUMPEDSTORAGE FACILITYNEW NUCLEARDEPLOYMENTOFFICEPARR SHOALS DAM Geotechnical Boring Layout Geotechnical Boring Layout Geotechnical Investigation Summary 8 Suspension Velocity Logging 4 Test Pits 36 Cone Penetrometer Tests 31 Observation Wells 111 Soil & Rock Borings Existing Subsurface Profile (Typical)20' -40'Saprolite-Completely Weathered Rock Degraded to a Soil Consistency;

Soil retains relict rock structure45' -65'Competent Rock40' -45'Partially Weathered Rock

-Transition Zone from Residual Soil /

Saprolite to Rock0 -20'Residual Soils-Reddish Soils, Typically Sandy Silts (ML) and Silty

Sands (SM) with Variable Clay Content Sound Rock Surface ViewB-201(DH)B-202 B-203B-204B-205B-206(DH)B-207(DH)B-208AB-209 B-210B-211(DH)B-212AB-213 B-214 B-215B-216 B-217 B-218 B-219B-220 B-221AB-222B-223 B-224 B-225B-226 B-228B-229B-230 B-231 B-232 B-233B-235 B-236AB-301(DH)B-301A B-302B-303B-304B-305B-306(DH)B-307(DH)B-308B-309 B-310B-311(DH)B-312 B-313 B-314 B-315 B-316 B-317 B-318B-319 B-320B-321B-322 B-323B-324B-325 B-326 B-328 B-329 B-330 B-331B-332 B-333B334 B-335B-336 Northing Easting N N 380360340320Northing Easting 3-D View of Sound Rock Surface 295 300 305 310 315 320 325 330 335 340 345 350 355 360 365 370 375 380SCEG COL Project Unit 3 Unit 2Unit 2Unit 3 Elevation (ft)Elevation (ft)Note: All coordinates are in South Carolina State Plane NAD83 and elevations use NAVD 88

.190300019024001903000 1902400 892000893000892000893000 Rock Shear Wave Velocity Unit 3 Power Block 0 50 100 150 200 250 300 350 400 45002000400060008000100001200014000Shear Wave Velocity (ft/sec)Elevation (ft)B-301B-306B-307B-311 Rock Shear Wave Velocity Unit 2 Power Block 0 50 100 150 200 250 300 350 400 45002000400060008000100001200014000Shear Wave Velocity (ft/sec)Elevation (ft)B-201B-206B-207B-211 Average Rock Shear Wave Velocity Unit 2 V.C. Summer Proposed Unit 2 50100 150200250 300 350 400 45002000400060008000100001200014000Shear Wave Velocity (ft/sec)Elevation (ft)Unit 2 BoreholesMean + 1 Sigma5-foot AverageMean - 1 Sigma9,200 ft/sSSE Horizon Borings B-201 and B-206 Construction / Backfill Plans*Establish Plant Grade at Elevation ~ 400'*Excavate Power Block to Competent Rock at Elevation ~ 360'

• Nuclear Island

Place Fill Concrete Leveling Mat

• Other Structures

Install Engineered Backfill to Structure Foundation Level