GEOLOGICAL AND HYDROGEOLOGICAL MODEL LONG SECTION (MC50) CROSS COVER SHAFT
CUT AND COVER TUNNEL
MINED TUNNEL
RETAINING WALL
90m
F Va
rs rte Po
80m
ue en Av ck do ad Sh
TA
d oa nR de tE un Mo
t ee Str
80m
ER
d
roa
F
EW
70m
by
an
rm
No
70m
VUb
F
F
Va / TVz TA ?
VUb
ER
?
Va / TVz
EW
?
?
60m
TA
?
EU
Va / TVz
?
EU ?
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ER ?
50m
RELATIVE LEVEL (AUCKLAND VERTICAL DATUM 1946)
60m
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ER ?
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50m ??
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EW ?
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EU EU
TOP OF RAIL
40m
40m
BOTTOM OF RAIL RAIL LEVEL 30m 960.000
950.000
940.000
930.000
900.000
920.000
890.000
880.000
910.000
870.000
860.000
850.000
840.000
830.000
820.000
810.000
800.000
790.000
780.000
770.000
760.000
750.000
740.000
730.000
720.000
710.000
700.000
690.000
680.000
670.000
660.000
650.000
640.000
630.000
620.000
610.000
600.000
590.000
580.000
570.000
560.000
550.000
540.000
530.000
520.000
510.000
500.000
490.000
480.000
470.000
460.000
450.000
440.000
430.000
420.000
410.000
400.000
390.000
380.000
370.000
360.000
350.000
340.000
330.000
320.000
310.000
300.000
290.000
280.000
270.000
260.000
250.000
240.000
230.000
220.000
210.000
200.000
190.000
180.000
170.000
160.000
150.000
140.000
130.000
90.000
120.000
110.000
80.000
100.000
70.000
60.000
50.000
40.000
30.000
20.000
0.000
10.000
30m MC50 CHAINAGE
LEGEND GEOLOGY BOREHOLE
FILL
TL
TAURANGA GROUP - LITTORAL (MARINE)
REGIONAL ECBF (LOWER)
TA
TAURANGA GROUP - ALLUVIAL (NON-MARINE)
INTERMEDIATE ECBF - KARANGAHAPE
AUCKLAND VOLCANIC FIELD - BASALT
MEGA-BED - KARANGAHAPE
AUCKLAND VOLCANIC FIELD - ASH
REGIONAL ECBF (UPPER)
ER
EAST COAST BAYS FORMATION - (RESIDUAL SOIL - COMPETELY WEATHERED)
EW
EAST COAST BAYS FORMATION - (HIGHLY WEATHERED - MODERATELY WEATHERED) EAST COAST BAYS FORMATION - (UNWEATHERED - SLIGHTLY WEATHERED)
EUs3
WELL-CEMENTED SANDSTONE (MEGA-BED)
EUg3
WELL-CEMENTED CONGLOMERATIC SANDSTONE (MEGA-BED)
EUs1
UNCEMENTED SAND
20
0
40
INFERRED FAULTS (WITH IMPLIED RELATIVE OFFSET)
80m
Ta / TVz
GROUND WATER LEVEL READING - MEET OF 15-19 APRIL 2013 (APBB - MB SERIES PIEZOMETERS FEB + MAR 2013)
INTERVALS OF COARSER SANDSTONES AND CONGLOMERATE STANDPIPE RESPONSE ZONE
TRANSDUCER
REGIONAL ECBF (LOWER)
ECBF WEATHERING GRADATION
VERTICAL SCALE 1:400 @ A1
BASALT
DISCONTINUITY (FAULT)
MEGA-BED - KARANGAHAPE
WAITEMATA EROSION SURFACE
16m
PERCHED (ECBF , TA , Va)
REGIONAL ECBF (UPPER)
GEOLOGICAL BOUNDARY (INFERRED) 8
SPT N OR N * VALUES
GROUND WATER LEVEL READINGS
INTERMEDIATE ECBF- KARANGAHAPE
FAULT ZONE
0
PROJECT CODE
Va
EUz
OFFSET FROM SECTION LINE (L=WEST, R=EAST) BOREHOLE NAME
RECLAMATION (F / TA, TL)
F
VUb
4
BOREHOLE
GROUNDWATER INFERRED GROUND WATER LEVELS
INTERPRETATION
D--- PIEZOMETER DRY
(QUESTION MARKS DENOTE GREATER UNCERTAINTY)
HORIZONTAL SCALE 1:2000 @ A1
CLIENT
REV DATE
REVISION DETAILS
APPROVED
DRAWN
DESIGNED
B.LI
P.KIRK CHECKED
PROJECT
CITY RAIL LINK
G.PINCHES TITLE
APPROVED DATE
A
FOR INFORMATION
M.RUTTER
M.RUTTER
GEOLOGICAL AND HYDROGEOLOGICAL MODEL LONG SECTION (DR3 MC50)
PRELIMINARY
NOT FOR CONSTRUCTION PROJECT No.
228072 SCALE
SIZE
DRAWING No.
REV
GS-GIR-GT-013
A
AS SHOWN
A1