PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT · PDF filepreliminary geotechnical...
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1 of 2 PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT PROPOSED MULTI-SPECIALITY/ SUPER SPECIALITY HOSPITAL UNDER NON-BRGF AT KALNA Date : 14/10/2014 ALLOWABLE BEARING PRESSURE CALCULATION Shallow Foundation (a) Bearing Capacity Analysis for shallow foundation The net ultimate bearing capacity (q ult ) of shallow footings as per I.S.Code (I.S.6403-1981) is given by the equation: q ult =C u .N c .s c .d c .i c +s(N q -1)s q .i q .d q +(1/2)B.γ.N γ .s γ .d γ .i γ .W / qult = Cu.Nc.sc.dc.ic {For φ=0,Cohesive Soil} where Nc =5.14 (For, φ =0) N c ,N q ,N γ = Bearing capacity factors (As per I.S.6403-1981) s c , s q ,s γ = Shape factor. d c ,d q ,d γ = Depth factor. i c , i q , i γ = inclination factor. γ = Bulk unit weight of sub-soil. W / = Correction factor to account for the effect of water table. σ = Effective surcharge at the base level of foundation. B = Width of footings L = Length of footings D f = Depth of foundation C u = Undrained shear strength (From Laboratory Test) N = SPT Values related to consistency of Clay Soil φ = phi (From Field / Laboratory Test)
Transcript of PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT · PDF filepreliminary geotechnical...
1 of 2
PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT
PROPOSED
MULTI-SPECIALITY/ SUPER SPECIALITY HOSPITAL
UNDER NON-BRGF
AT KALNA
Date : 14/10/2014
ALLOWABLE BEARING PRESSURE CALCULATION
Shallow Foundation
(a) Bearing Capacity Analysis for shallow foundation
The net ultimate bearing capacity (qult) of shallow footings as per I.S.Code (I.S.6403-1981) is given by the equation:
qult =Cu.Nc.sc.dc.ic +s(Nq-1)sq.iq.dq+(1/2)B.γ.Nγ.sγ.dγ.iγ.W/
qult = Cu.Nc.sc.dc.ic {For φ=0,Cohesive Soil}
where Nc =5.14 (For, φ =0)
Nc,Nq,Nγ= Bearing capacity factors (As per I.S.6403-1981)
sc, sq,sγ = Shape factor.
dc,dq,dγ = Depth factor.
ic , iq, iγ = inclination factor.
γ = Bulk unit weight of sub-soil.
W/= Correction factor to account for the effect of water table.
σ = Effective surcharge at the base level of foundation.
B = Width of footings
L = Length of footings
Df = Depth of foundation
Cu = Undrained shear strength (From Laboratory Test)
N = SPT Values related to consistency of Clay Soil
φ = phi (From Field / Laboratory Test)
2 of 2
(b) Settlement for shallow foundation
Settlement=Immediate Settlement +Consolidation Settlement Sf = Si +Sc Si = qnet B*{[1- µ
2]/Es}*If
qnet = Net foundation pressure/Intensity of contact pressure B = Width of footing Es = Undrained Modulus of elasticity of soil µ = Poisson’s Ratio of soil If = Influence coefficient, a function of ratio of length to width of footing=1.12
Sc = mv. ∆p.H. mv= Coefficient of volume change/compressibility.
∆p = Pressure increment due to foundation loading =(LXBXP)/{(L+H/2)(B+H/2)}. H = Thickness of the stratum.
(c) Data Required & Obtained from Laboratory & Field Test Results
Cu = 3.00 T/m2
γ = 1.80 T/m3
φ = 0 0
Allowable Bearing Pressure
Sl.No.
Types of Footing Footing Size
(m x m)
Depth of footing
below E.G.L. (m)
Net Safe Bearing
Capacity (T/m2)
Allowable Bearing Pressure ((T/m2)
Max. Permissible Settlement(mm)
1 Square 1.2 X 1.2 1.5 10.02 10.0 75
2 Square 1.5 X 1.5 1.5 9.62 9.6 75
3 Square 2.0 X 2.0 1.5 9.22 9.2 75
4 Square 2.5 X 2.5 1.5 8.98 9.0 75
5 Square 3.0 X 3.0 1.5 8.82 8.8 75
6 Rectangular 1.5 X 2.5 1.5 8.29 8.3 75
7 Rectangular 2.0 X 3.0 1.5 8.04 8.0 75
8 Rectangular 2.5 X 3.0 1.5 8.06 8.1 75
9 Strip (L/B < 5) 1.5 m wide 1.5 7.70 7.7 75
10 Strip (L/B < 5) 2.0 m wide 1.5 7.38 7.4 75
11 Strip (L/B < 5) 2.5 m wide 1.5 7.18 7.2 75
12 Strip (L/B < 5) 3.0 m wide 1.5 7.06 7.1 75
40 m 27.09.2014
0.5 m 28.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 2 2 2 4
UDS 2.00
2.50
SPT 3.00 3.45 2 2 3 5
UDS 3.50
B.H.NO : 01
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Kalna Sub-Divisional Hospital, Kalna ,Dist-Burdwan
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 1 of 3
BORELOGAs per IS: 1892:2002
DESCRIPTION
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Date of Completion : Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Ty
pe
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
UDS 3.50
4.00
SPT 4.50 4.95 3 4 4 8
UDS 5.00
5.50
SPT 6.00 6.45 2 3 4 7
UDS 6.50
7.00
SPT 7.50 7.95 3 3 4 7
UDS 8.00
8.50
SPT 9.00 9.45 3 5 7 12
UDS 9.50
10.00
SPT 10.50 10.95 6 6 6 12
UDS 11.00
11.50
SPT 12.00 12.45 8 8 10 18
12.50
13.00
SPT 13.50 13.95 4 4 5 9
UDS 14.00
14.50
SPT 15.00 15.45 6 6 8 14
Soft to Medium Greyish Brown/ Brownish
Grey Silty Clay/Clayey Silt.
Soft to Medium Greyish Silty Clay/Clayey
Silt with Small pieces Grits & Kankars.
10.50
15.00
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
1
40 m 27.09.2014
0.5 m 28.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 2 1 2 3
17.00
17.50
SPT 18.00 18.45 2 2 2 4
18.50
19.00
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : - Date of Completion :
As per IS: 1892:2002
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 2 of 3
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
BORELOG B.H.NO : 01
DESCRIPTION
Ty
pe
Site: Kalna Sub-Divisional Hospital, Kalna ,Dist-Burdwan
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
DEPTH(M) SPT: No Blows
19.00
SPT 19.50 19.95 2 2 2 4
20.00
20.50
SPT 21.00 21.45 2 3 3 6
21.50
22.00
SPT 22.50 22.95 3 4 6 10
23.00
23.50
SPT 24.00 24.45 5 8 12 20
24.50
25.00
SPT 25.50 25.95 7 9 16 25
26.00
26.50
SPT 27.00 27.45 8 10 18 28
27.50
28.00
SPT 28.50 28.95 9 14 20 34
29.00
29.50
SPT 30.00 30.45 11 18 22 40
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
Soft to Medium to Very Stiff Greyish Silty
Clay/Clayey Silt with Small pieces Grits &
Kankars.
30.00
2
40 m 27.09.2014
0.5 m 28.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 12 19 23 42
32.50
33.00
33.50
SPT 34.00 34.45 13 20 24 44
34.50
35.00
SAMPLE DETAILS
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Kalna Sub-Divisional Hospital, Kalna ,Dist-Burdwan
Date of Completion :
As per IS: 1892:2002 SHEET NO : 3 of 3
DEPTH(M) SPT: No Blows
DESCRIPTION
Ty
pe
BORELOG B.H.NO : 01
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : -
35.00
35.50
SPT 36.00 36.45 15 24 30 54
36.50
37.00
37.50
SPT 38.00 38.45 16 26 36 62
38.50
39.00
39.50
SPT 40.00 40.45 17 29 42 71
BORELOG B.H.NO : 02
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
Dense to Very Dense Greyish Silty Sand
/Sandy Silt with Traces of Mica.
40.0
3
40 m 29.09.2014
0.8 m 30.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 2 3 2 5
UDS 2.00
2.50
SPT 3.00 3.45 2 3 3 6
UDS 3.50
4.00
SPT 4.50 4.95 3 4 4 8
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DESCRIPTION
SAMPLE DETAILS
As per IS: 1892:2002 SHEET NO : 1 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Kalna Sub-Divisional Hospital, Kalna ,Dist-Burdwan
Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Date of Completion :
Ty
pe
DEPTH(M) SPT: No Blows
SPT 4.50 4.95 3 4 4 8
UDS 5.00
5.50
SPT 6.00 6.45 2 4 4 8
UDS 6.50
7.00
SPT 7.50 7.95 3 3 4 7
UDS 8.00
8.50
SPT 9.00 9.45 3 6 7 13
UDS 9.50
10.00
SPT 10.50 10.95 6 6 7 13
UDS 11.00
11.50
SPT 12.00 12.45 8 9 10 19
12.50
13.00
SPT 13.50 13.95 3 5 6 11
UDS 14.00
14.50
SPT 15.00 15.45 7 6 9 15
10.50
Soft to Medium Greyish Brown/ Brownish
Grey Silty Clay/Clayey Silt.
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
15.00
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
Soft to Medium Greyish Silty Clay/Clayey
Silt with Small pieces Grits & Kankars.
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
4
40 m 29.09.2014
0.8 m 30.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 2 2 2 4
17.00
17.50
SPT 18.00 18.45 2 2 2 4
18.50
19.00
Site: Kalna Sub-Divisional Hospital, Kalna ,Dist-Burdwan
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
As per IS: 1892:2002
BORELOG
Date of Completion : Depth of Casing : -
Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
B.H.NO : 02
SHEET NO : 2 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SAMPLE DETAILS
DESCRIPTION
Ty
pe
DEPTH(M) SPT: No Blows
Diameter of Boring : 150 mm
19.00
SPT 19.50 19.95 2 2 3 5
20.00
20.50
SPT 21.00 21.45 2 4 4 8
21.50
22.00
SPT 22.50 22.95 3 3 6 9
23.00
23.50
SPT 24.00 24.45 7 10 13 23
24.50
25.00
SPT 25.50 25.95 8 10 16 26
26.00
26.50
SPT 27.00 27.45 9 12 17 29
27.50
28.00
SPT 28.50 28.95 10 15 21 36
29.00
29.50
SPT 30.00 30.45 12 19 23 42
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
30.00
Soft to Medium to Very Stiff Greyish Silty
Clay/Clayey Silt with Small pieces Grits &
Kankars.
5
40 m 29.09.2014
0.8 m 30.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 13 20 23 43
32.50
33.00
33.50
SPT 34.00 34.45 15 21 25 46
34.50
Ty
pe
DEPTH(M)
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 3 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Kalna Sub-Divisional Hospital, Kalna ,Dist-Burdwan
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : -
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Date of Completion :
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
DESCRIPTION
SPT: No Blows
35.00
35.50
SPT 36.00 36.45 16 24 29 53
36.50
37.00
37.50
SPT 38.00 38.45 17 28 37 65
38.50
39.00
39.50
SPT 40.00 40.45 19 30 45 75
Dense to Very Dense Greyish Silty Sand
/Sandy Silt with Traces of Mica.
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
40.0
6
1 of 2
PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT
PROPOSED
MULTI-SPECIALITY/ SUPER SPECIALITY HOSPITAL
UNDER NON-BRGF
AT SERAMPORE
Date : 14/10/2014
ALLOWABLE BEARING PRESSURE CALCULATION
Shallow Foundation
(a) Bearing Capacity Analysis for shallow foundation
The net ultimate bearing capacity (qult) of shallow footings as per I.S.Code (I.S.6403-1981) is given by the equation:
qult =Cu.Nc.sc.dc.ic +s(Nq-1)sq.iq.dq+(1/2)B.γ.Nγ.sγ.dγ.iγ.W/
qult = Cu.Nc.sc.dc.ic {For φ=0,Cohesive Soil}
where Nc =5.14 (For, φ =0)
Nc,Nq,Nγ= Bearing capacity factors (As per I.S.6403-1981)
sc, sq,sγ = Shape factor.
dc,dq,dγ = Depth factor.
ic , iq, iγ = inclination factor.
γ = Bulk unit weight of sub-soil.
W/= Correction factor to account for the effect of water table.
σ = Effective surcharge at the base level of foundation.
B = Width of footings
L = Length of footings
Df = Depth of foundation
Cu = Undrained shear strength (From Laboratory Test)
N = SPT Values related to consistency of Clay Soil
φ = phi (From Field / Laboratory Test)
2 of 2
(b) Settlement for shallow foundation
Settlement=Immediate Settlement +Consolidation Settlement Sf = Si +Sc Si = qnet B*{[1- µ
2]/Es}*If
qnet = Net foundation pressure/Intensity of contact pressure B = Width of footing Es = Undrained Modulus of elasticity of soil µ = Poisson’s Ratio of soil If = Influence coefficient, a function of ratio of length to width of footing=1.12
Sc = mv. ∆p.H. mv= Coefficient of volume change/compressibility.
∆p = Pressure increment due to foundation loading =(LXBXP)/{(L+H/2)(B+H/2)}. H = Thickness of the stratum.
(c) Data Required & Obtained from Laboratory & Field Test Results
Cu = 2.90 T/m2
γ = 1.80 T/m3
φ = 0 0
Allowable Bearing Pressure
Sl.No.
Types of Footing Footing Size
(m x m)
Depth of footing
below E.G.L. (m)
Net Safe Bearing
Capacity (T/m2)
Allowable Bearing Pressure ((T/m2)
Max. Permissible Settlement(mm)
1 Square 1.2 X 1.2 1.5 9.69 9.7 75
2 Square 1.5 X 1.5 1.5 9.30 9.3 75
3 Square 2.0 X 2.0 1.5 8.91 8.9 75
4 Square 2.5 X 2.5 1.5 8.68 8.7 75
5 Square 3.0 X 3.0 1.5 8.53 8.5 75
6 Rectangular 1.5 X 2.5 1.5 8.01 8.0 75
7 Rectangular 2.0 X 3.0 1.5 7.77 7.8 75
8 Rectangular 2.5 X 3.0 1.5 7.79 7.8 75
9 Strip (L/B < 5) 1.5 m wide 1.5 7.44 7.4 75
10 Strip (L/B < 5) 2.0 m wide 1.5 7.13 7.1 75
11 Strip (L/B < 5) 2.5 m wide 1.5 6.94 6.9 75
12 Strip (L/B < 5) 3.0 m wide 1.5 6.82 6.8 75
40 m 07.09.2014
1.0 m 08.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 1 1 2 3
UDS 2.00
2.50
SPT 3.00 3.45 1 2 2 4
UDS 3.50
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Date of Completion : Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Ty
pe
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
B.H.NO : 01
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Serampore Sub-Divisional Hospital, Hooghly, West Bengal
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 1 of 3
BORELOGAs per IS: 1892:2002
DESCRIPTION
Soft Greyish Brown Silty Clay/Clayey Silt
UDS 3.50
4.00
SPT 4.50 4.95 1 1 1 2
UDS 5.00
5.50
SPT 6.00 6.45 1 1 2 3
UDS 6.50
7.00
SPT 7.50 7.95 0 1 1 2
UDS 8.00
8.50
SPT 9.00 9.45 1 1 1 2
UDS 9.50
10.00
SPT 10.50 10.95 1 1 1 2
UDS 11.00
11.50
SPT 12.00 12.45 1 1 2 3
UDS 12.50
13.00
SPT 13.50 13.95 3 4 6 10
14.00
14.50
SPT 15.00 15.45 3 5 7 12
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
Very Soft to Soft Blackish Grey Silty
Clay/Clayey Silt.
Stiff to Very Stiff Brownish Grey Silty
Clay/Clayey Silt.
4.00
12.50
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
1
40 m 07.09.2014
1.0 m 08.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 4 6 6 12
17.00
17.50
SPT 18.00 18.45 4 6 7 13
18.50
19.00
BORELOG
SPT: No Blows
B.H.NO : 01
DESCRIPTION
Ty
pe
Site: Serampore Sub-Divisional Hospital, Hooghly, West Bengal
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
DEPTH(M)
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : - Date of Completion :
Stiff to Very Stiff Brownish Grey Silty
As per IS: 1892:2002
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 2 of 3
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
19.00
SPT 19.50 19.95 5 6 8 14
20.00
20.50
SPT 21.00 21.45 5 7 9 16
21.50
22.00
SPT 22.50 22.95 9 12 18 30
23.00
23.50
SPT 24.00 24.45 10 13 19 32
24.50
25.00
SPT 25.50 25.95 14 21 27 48
26.00
26.50
SPT 27.00 27.45 15 29 35 64
27.50
28.00
SPT 28.50 28.95 17 33 47 80
29.00
29.50
SPT 30.00 30.45 23 35 46 81
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
Stiff to Very Stiff Brownish Grey Silty
Clay/Clayey Silt.
Dense to Very Dense Brownish Grey Fine
Silty Sand/Sandy Sand with Traces of Mica
23.00
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
2
40 m 07.09.2014
1.0 m 08.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 33 50 50
32.50
33.00
33.50
SPT 34.00 34.45 42 54 54
34.50
35.00
DEPTH(M) SPT: No Blows
DESCRIPTION
Ty
pe
BORELOG B.H.NO : 01
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : -
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Serampore Sub-Divisional Hospital, Hooghly, West Bengal
Date of Completion :
As per IS: 1892:2002 SHEET NO : 3 of 3
35.00
35.50
SPT 36.00 36.45 5 9 11 20
36.50
37.00
37.50
SPT 38.00 38.45 8 14 15 29
38.50
39.00
39.50
SPT 40.00 40.45 11 13 19 32
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
Dense to Very Dense Brownish Grey Fine
Silty Sand/Sandy Sand with Traces of Mica
40.0
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
3
40 m 09.09.2014
1.2 m 10.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 1 2 1 3
UDS 2.00
2.50
SPT 3.00 3.45 2 2 2 4
UDS 3.50
DEPTH(M) SPT: No Blows
Ty
pe
Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Date of Completion :
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DESCRIPTION
SAMPLE DETAILS
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 1 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Serampore Sub-Divisional Hospital, Hooghly, West Bengal
Soft Greyish Brown Silty Clay/Clayey Silt
4.00
SPT 4.50 4.95 2 1 2 3
UDS 5.00
5.50
SPT 6.00 6.45 1 1 1 2
UDS 6.50
7.00
SPT 7.50 7.95 0 1 1 2
UDS 8.00
8.50
SPT 9.00 9.45 2 1 2 3
UDS 9.50
10.00
SPT 10.50 10.95 1 2 1 3
UDS 11.00
11.50
SPT 12.00 12.45 1 2 2 4
UDS 12.50
13.00
SPT 13.50 13.95 3 5 7 12
14.00
14.50
SPT 15.00 15.45 4 6 8 14
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
4.00
12.50
Very Soft to Soft Blackish Grey Silty
Clay/Clayey Silt.
Stiff to Very Stiff Brownish Grey Silty
Clay/Clayey Silt.
4
40 m 09.09.2014
1.2 m 10.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 5 6 7 13
17.00
17.50
SPT 18.00 18.45 4 5 8 13
18.50
19.00
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
B.H.NO : 02
SHEET NO : 2 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Serampore Sub-Divisional Hospital, Hooghly, West Bengal
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
As per IS: 1892:2002
BORELOG
DESCRIPTION
Ty
pe
DEPTH(M) SPT: No Blows
Diameter of Boring : 150 mm Depth of Borehole :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014Date of Completion : Depth of Casing : -
Stiff to Very Stiff Brownish Grey Silty
Date of Commencement :
19.00
SPT 19.50 19.95 6 7 9 16
20.00
20.50
SPT 21.00 21.45 5 8 9 17
21.50
22.00
SPT 22.50 22.95 10 15 19 34
23.00
23.50
SPT 24.00 24.45 12 14 21 35
24.50
25.00
SPT 25.50 25.95 15 22 26 48
26.00
26.50
SPT 27.00 27.45 16 30 36 66
27.50
28.00
SPT 28.50 28.95 18 35 48 83
29.00
29.50
SPT 30.00 30.45 24 27 47 74
30.50
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
Dense to Very Dense Brownish Grey Fine
Silty Sand/Sandy Sand with Traces of Mica
23.00
Stiff to Very Stiff Brownish Grey Silty
Clay/Clayey Silt.
5
40 m 09.09.2014
1.2 m 10.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 38 51 51
32.50
33.00
33.50
SPT 34.00 34.45 45 55 55
34.50
DESCRIPTION
Ty
pe
DEPTH(M)
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 3 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Serampore Sub-Divisional Hospital, Hooghly, West Bengal
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : - Date of Completion :
SAMPLE DETAILS
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
SPT: No Blows
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
35.00
35.50
SPT 36.00 36.45 6 10 13 23
36.50
37.00
37.50
SPT 38.00 38.45 9 13 16 29
38.50
39.00
39.50
SPT 40.00 40.45 12 14 20 34
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 08 CS : Core Sample ( C )
40.0
Dense to Very Dense Brownish Grey Fine
Silty Sand/Sandy Sand with Traces of Mica
6
1 of 2
PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT
PROPOSED
MULTI-SPECIALITY/ SUPER SPECIALITY HOSPITAL
UNDER NON-BRGF
AT BONGAON
Date : 14/10/2014
ALLOWABLE BEARING PRESSURE CALCULATION
Shallow Foundation
(a) Bearing Capacity Analysis for shallow foundation
The net ultimate bearing capacity (qult) of shallow footings as per I.S.Code (I.S.6403-1981) is given by the equation:
qult =Cu.Nc.sc.dc.ic +s(Nq-1)sq.iq.dq+(1/2)B.γ.Nγ.sγ.dγ.iγ.W/
qult = Cu.Nc.sc.dc.ic {For φ=0,Cohesive Soil}
where Nc =5.14 (For, φ =0)
Nc,Nq,Nγ= Bearing capacity factors (As per I.S.6403-1981)
sc, sq,sγ = Shape factor.
dc,dq,dγ = Depth factor.
ic , iq, iγ = inclination factor.
γ = Bulk unit weight of sub-soil.
W/= Correction factor to account for the effect of water table.
σ = Effective surcharge at the base level of foundation.
B = Width of footings
L = Length of footings
Df = Depth of foundation
Cu = Undrained shear strength (From Laboratory Test)
N = SPT Values related to consistency of Clay Soil
φ = phi (From Field / Laboratory Test)
2 of 2
(b) Settlement for shallow foundation
Settlement=Immediate Settlement +Consolidation Settlement Sf = Si +Sc Si = qnet B*{[1- µ
2]/Es}*If
qnet = Net foundation pressure/Intensity of contact pressure B = Width of footing Es = Undrained Modulus of elasticity of soil µ = Poisson’s Ratio of soil If = Influence coefficient, a function of ratio of length to width of footing=1.12
Sc = mv. ∆p.H. mv= Coefficient of volume change/compressibility.
∆p = Pressure increment due to foundation loading =(LXBXP)/{(L+H/2)(B+H/2)}. H = Thickness of the stratum.
(c) Data Required & Obtained from Laboratory & Field Test Results
Cu = 3.10 T/m2
γ = 1.80 T/m3
φ = 0 0
Allowable Bearing Pressure
Sl.No.
Types of Footing Footing Size
(m x m)
Depth of footing
below E.G.L. (m)
Net Safe Bearing
Capacity (T/m2)
Allowable Bearing Pressure ((T/m2)
Max. Permissible Settlement(mm)
1 Square 1.2 X 1.2 1.5 10.36 10.4 75
2 Square 1.5 X 1.5 1.5 9.94 9.9 75
3 Square 2.0 X 2.0 1.5 9.53 9.5 75
4 Square 2.5 X 2.5 1.5 9.28 9.3 75
5 Square 3.0 X 3.0 1.5 9.12 9.1 75
6 Rectangular 1.5 X 2.5 1.5 8.57 8.6 75
7 Rectangular 2.0 X 3.0 1.5 8.31 8.3 75
8 Rectangular 2.5 X 3.0 1.5 8.33 8.3 75
9 Strip (L/B < 5) 1.5 m wide 1.5 7.96 8.0 75
10 Strip (L/B < 5) 2.0 m wide 1.5 7.62 7.6 75
11 Strip (L/B < 5) 2.5 m wide 1.5 7.42 7.4 75
12 Strip (L/B < 5) 3.0 m wide 1.5 7.29 7.3 75
40 m 03.09.2014
1.0 m 04.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 4 5 6 11
UDS 2.00
2.50
SPT 3.00 3.45 2 2 3 5
UDS 3.50
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Date of Completion : Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Ty
pe
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
B.H.NO : 01
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Bongaon Sub-Divisional Hospital, Bongaon, 24 Pargana (N)
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 1 of 3
BORELOGAs per IS: 1892:2002
DESCRIPTION
Soft to Medium to Stiff Brownish Grey
Silty Clay/Clay Silt with Traces of mica.
3.50UDS 3.50
4.00
SPT 4.50 4.95 2 3 5 8
UDS 5.00
5.50
SPT 6.00 6.45 2 2 3 5
UDS 6.50
7.00
SPT 7.50 7.95 3 6 9 15
8.00
8.50
SPT 9.00 9.45 4 8 12 20
9.50
10.00
SPT 10.50 10.95 9 12 12 24
11.00
11.50
SPT 12.00 12.45 14 18 20 38
12.50
13.00
SPT 13.50 13.95 15 19 21 40
14.00
14.50
SPT 15.00 15.45 16 19 23 42
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
Medium to Stiff Greyish Silty Clay/Clayey
Silt Traces of mica.
Stiff to Very Stiff to Hard Whitish Grey
Fine Silty Sand/Sandy Silt With Traces of
Mica.
7.50
3.50
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
1
40 m 03.09.2014
1.0 m 04.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 18 18 25 43
17.00
17.50
SPT 18.00 18.45 19 21 25 46
18.50
19.00
BORELOG B.H.NO : 01
DESCRIPTION
Ty
pe
Site: Bongaon Sub-Divisional Hospital, Bongaon, 24 Pargana (N)
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
DEPTH(M) SPT: No Blows
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : - Date of Completion :
As per IS: 1892:2002
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 2 of 3
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
19.00
SPT 19.50 19.95 15 19 22 41
20.00
20.50
SPT 21.00 21.45 17 20 24 44
21.50
22.00
SPT 22.50 22.95 19 20 27 47
23.00
23.50
SPT 24.00 24.45 16 19 25 44
24.50
25.00
SPT 25.50 25.95 19 23 30 53
26.00
26.50
SPT 27.00 27.45 18 25 31 56
27.50
28.00
SPT 28.50 28.95 20 27 32 59
29.00
29.50
SPT 30.00 30.45 15 21 27 48
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
Stiff to Very Stiff to Hard Whitish Grey
Fine Silty Sand/Sandy Silt With Traces of
Mica.
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
2
40 m 03.09.2014
1.0 m 04.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 22 28 34 62
32.50
33.00
33.50
SPT 34.00 34.45 26 30 35 65
34.50
35.00
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
DESCRIPTION
Ty
pe
BORELOG B.H.NO : 01
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : -
Stiff to Very Stiff to Hard Whitish Grey
Fine Silty Sand/Sandy Silt With Traces of
Mica.
34.0
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Bongaon Sub-Divisional Hospital, Bongaon, 24 Pargana (N)
Date of Completion :
As per IS: 1892:2002 SHEET NO : 3 of 3
35.00
35.50
SPT 36.00 36.45 28 30 37 67
36.50
37.00
37.50
SPT 38.00 38.45 5 6 9 15
38.50
39.00
39.50
SPT 40.00 40.45 6 8 11 19 40.0
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
Stiff to Very Stiff to Hard Greyish Silty
Clay /Clayey Silt With Traces of Mica.
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
3
40 m 04.09.2014
1.3 m 05.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 1 2 2 4
UDS 2.00
2.50
SPT 3.00 3.45 2 2 3 5
UDS 3.50
Soft to Medium Brownish Grey Silty
Clay/Clayey Silt with Traces of Mica.
3.00
DEPTH(M) SPT: No Blows
Ty
pe
Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Date of Completion :
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DESCRIPTION
SAMPLE DETAILS
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 1 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Bongaon Sub-Divisional Hospital, Bongaon, 24 Pargana (N)
4.00
SPT 4.50 4.95 1 2 2 4
UDS 5.00
5.50
SPT 6.00 6.45 4 4 5 9
UDS 6.50
7.00
SPT 7.50 7.95 6 8 10 18
8.00
8.50
SPT 9.00 9.45 10 13 15 28
9.50
10.00
SPT 10.50 10.95 9 10 13 23
11.00
11.50
SPT 12.00 12.45 13 16 19 35
12.50
13.00
SPT 13.50 13.95 14 21 20 41
14.00
14.50
SPT 15.00 15.45 17 19 25 44
Soft to Medium to Stiff Greyish Silty
Clay/Clayey Silt with Traces of Mica.
8.00
Very Stiff to Hard Whitish Grey Fine Silty
Sand/Sandy Silt With Traces of Mica.
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
4
40 m 04.09.2014
1.3 m 05.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 17 19 24 43
17.00
17.50
SPT 18.00 18.45 20 20 26 46
18.50
19.00
B.H.NO : 02
SHEET NO : 2 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Bongaon Sub-Divisional Hospital, Bongaon, 24 Pargana (N)
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
As per IS: 1892:2002
BORELOG
DESCRIPTION
Ty
pe
DEPTH(M) SPT: No Blows
Diameter of Boring : 150 mm Depth of Borehole :
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014Date of Completion : Depth of Casing : -
19.00
SPT 19.50 19.95 16 20 23 43
20.00
20.50
SPT 21.00 21.45 16 22 23 45
21.50
22.00
SPT 22.50 22.95 18 21 28 49
23.00
23.50
SPT 24.00 24.45 17 20 26 46
24.50
25.00
SPT 25.50 25.95 20 22 28 50
26.00
26.50
SPT 27.00 27.45 17 26 32 58
27.50
28.00
SPT 28.50 28.95 24 26 34 60
29.00
29.50
SPT 30.00 30.45 15 21 27 48
30.50
Very Stiff to Hard Whitish Grey Fine Silty
Sand/Sandy Silt With Traces of Mica.
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
5
40 m 04.09.2014
1.3 m 05.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 23 29 25 54
32.50
33.00
33.50
SPT 34.00 34.45 27 32 36 68
34.50
DESCRIPTION
Ty
pe
DEPTH(M)
Very Stiff to Hard Whitish Grey Fine Silty
Sand/Sandy Silt With Traces of Mica.
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 3 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Bongaon Sub-Divisional Hospital, Bongaon, 24 Pargana (N)
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : - Date of Completion :
SAMPLE DETAILS
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
SPT: No Blows
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
35.00
35.50
SPT 36.00 36.45 27 29 38 67
36.50
37.00
37.50
SPT 38.00 38.45 6 8 10 18
38.50
39.00
39.50
SPT 40.00 40.45 7 10 11 21
Very Stiff to Hard Greyish Silty Clay
/Clayey Silt With Traces of Mica.
40.0
35.5
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
6
1 of 2
PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT
PROPOSED
MULTI-SPECIALITY/ SUPER SPECIALITY HOSPITAL
UNDER NON-BRGF
AT BASIRHAT
Date : 14/10/2014
ALLOWABLE BEARING PRESSURE CALCULATION
Shallow Foundation
(a) Bearing Capacity Analysis for shallow foundation
The net ultimate bearing capacity (qult) of shallow footings as per I.S.Code (I.S.6403-1981) is given by the equation:
qult =Cu.Nc.sc.dc.ic +s(Nq-1)sq.iq.dq+(1/2)B.γ.Nγ.sγ.dγ.iγ.W/
qult = Cu.Nc.sc.dc.ic {For φ=0,Cohesive Soil}
where Nc =5.14 (For, φ =0)
Nc,Nq,Nγ= Bearing capacity factors (As per I.S.6403-1981)
sc, sq,sγ = Shape factor.
dc,dq,dγ = Depth factor.
ic , iq, iγ = inclination factor.
γ = Bulk unit weight of sub-soil.
W/= Correction factor to account for the effect of water table.
σ = Effective surcharge at the base level of foundation.
B = Width of footings
L = Length of footings
Df = Depth of foundation
Cu = Undrained shear strength (From Laboratory Test)
N = SPT Values related to consistency of Clay Soil
φ = phi (From Field / Laboratory Test)
2 of 2
(b) Settlement for shallow foundation
Settlement=Immediate Settlement +Consolidation Settlement Sf = Si +Sc Si = qnet B*{[1- µ
2]/Es}*If
qnet = Net foundation pressure/Intensity of contact pressure B = Width of footing Es = Undrained Modulus of elasticity of soil µ = Poisson’s Ratio of soil If = Influence coefficient, a function of ratio of length to width of footing=1.12
Sc = mv. ∆p.H. mv= Coefficient of volume change/compressibility.
∆p = Pressure increment due to foundation loading =(LXBXP)/{(L+H/2)(B+H/2)}. H = Thickness of the stratum.
(c) Data Required & Obtained from Laboratory & Field Test Results
Cu = 3.20 T/m2
γ = 1.80 T/m3
φ = 0 0
Allowable Bearing Pressure
Sl.No.
Types of Footing Footing Size
(m x m)
Depth of footing
below E.G.L. (m)
Net Safe Bearing
Capacity (T/m2)
Allowable Bearing Pressure ((T/m2)
Max. Permissible Settlement(mm)
1 Square 1.2 X 1.2 1.5 10.69 10.7 75
2 Square 1.5 X 1.5 1.5 10.26 10.3 75
3 Square 2.0 X 2.0 1.5 9.84 9.8 75
4 Square 2.5 X 2.5 1.5 9.58 9.6 75
5 Square 3.0 X 3.0 1.5 9.41 9.4 75
6 Rectangular 1.5 X 2.5 1.5 8.84 8.8 75
7 Rectangular 2.0 X 3.0 1.5 8.58 8.6 75
8 Rectangular 2.5 X 3.0 1.5 8.60 8.6 75
9 Strip (L/B < 5) 1.5 m wide 1.5 8.21 8.2 75
10 Strip (L/B < 5) 2.0 m wide 1.5 7.87 7.9 75
11 Strip (L/B < 5) 2.5 m wide 1.5 7.66 7.7 75
12 Strip (L/B < 5) 3.0 m wide 1.5 7.53 7.5 75
40 m 05.09.2014
0.8 m 06.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 2 2 2 4
UDS 2.00
2.50
SPT 3.00 3.45 1 2 2 4
3.50
B.H.NO : 01
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Basirhat Sub-Divisional Hopital,Basirhat, 24 Pargana (N)
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 1 of 3
BORELOGAs per IS: 1892:2002
DESCRIPTION
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Date of Completion : Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Ty
pe
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
Soft Brownish Grey Silty Clay/Clay Silt
with Traces of mica.
Soft Greyish fine Silty Sand /Sandy Sand
with Traces of mica.
3.50
4.00
SPT 4.50 4.95 2 3 4 7
5.00
5.50
SPT 6.00 6.45 2 2 3 5
6.50
7.00
SPT 7.50 7.95 3 5 7 12
8.00
8.50
SPT 9.00 9.45 4 7 9 16
9.50
10.00
SPT 10.50 10.95 6 12 15 27
11.00
11.50
SPT 12.00 12.45 8 13 21 34
12.50
13.00
SPT 13.50 13.95 12 17 19 36
14.00
14.50
SPT 15.00 15.45 14 14 21 35
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
Stiff to Very Stiff to Hard Whitish Grey Fine
to Medium Silty Sand/Sandy Silt With
Traces of Mica.
1
40 m 05.09.2014
0.8 m 06.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 17 19 23 42
17.00
17.50
SPT 18.00 18.45 13 15 17 32
18.50
19.00
As per IS: 1892:2002
Project:
SHEET NO : 2 of 3
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : - Date of Completion :
BORELOG B.H.NO : 01
DESCRIPTION
Ty
pe
Site: Basirhat Sub-Divisional Hopital,Basirhat, 24 Pargana (N)
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
DEPTH(M) SPT: No Blows
19.00
SPT 19.50 19.95 11 13 15 28
20.00
20.50
SPT 21.00 21.45 13 16 19 35
21.50
22.00
SPT 22.50 22.95 15 19 23 42
23.00
23.50
SPT 24.00 24.45 16 21 27 48
24.50
25.00
SPT 25.50 25.95 19 23 30 53
26.00
26.50
SPT 27.00 27.45 15 19 24 43
27.50
28.00
SPT 28.50 28.95 18 22 27 49
29.00
29.50
SPT 30.00 30.45 17 24 28 52
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
Stiff to Very Stiff to Hard Whitish Grey Fine
to Medium Silty Sand/Sandy Silt With
Traces of Mica.
2
40 m 05.09.2014
0.8 m 06.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 15 19 22 41
32.50
33.00
33.50
SPT 34.00 34.45 18 22 26 48
34.50
35.00
Project:
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Basirhat Sub-Divisional Hopital,Basirhat, 24 Pargana (N)
Date of Completion :
As per IS: 1892:2002 SHEET NO : 3 of 3
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
DESCRIPTION
Ty
pe
BORELOG B.H.NO : 01
Depth of Casing : -
Stiff to Very Stiff to Hard Whitish Grey Fine
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
35.00
35.50
SPT 36.00 36.45 17 20 24 44
36.50
37.00
37.50
SPT 38.00 38.45 13 18 24 42
38.50
39.00
39.50
SPT 40.00 40.45 11 14 22 36
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
Stiff to Very Stiff to Hard Whitish Grey Fine
to Medium Silty Sand/Sandy Silt With
Traces of Mica.
40.0
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
3
40 m 06.09.2014
1.0 m 07.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 2 3 2 5
UDS 2.00
2.50
SPT 3.00 3.45 1 2 3 5
3.50
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DESCRIPTION
SAMPLE DETAILS
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 1 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Basirhat Sub-Divisional Hopital,Basirhat, 24 Pargana (N)
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Date of Completion : Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
DEPTH(M) SPT: No Blows
Ty
pe
Soft Brownish Grey Silty Clay/Clay Silt
with Traces of mica.
Soft Greyish fine Silty Sand /Sandy Sand
with Traces of mica.
4.00
SPT 4.50 4.95 2 3 3 6
5.00
5.50
SPT 6.00 6.45 2 2 4 6
6.50
7.00
SPT 7.50 7.95 3 6 6 12
8.00
8.50
SPT 9.00 9.45 4 7 10 17
9.50
10.00
SPT 10.50 10.95 6 13 16 29
11.00
11.50
SPT 12.00 12.45 8 14 22 36
12.50
13.00
SPT 13.50 13.95 12 17 20 37
14.00
14.50
SPT 15.00 15.45 13 14 21 35
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
Stiff to Very Stiff to Hard Whitish Grey Fine
to Medium Silty Sand/Sandy Silt With
Traces of Mica.
4
40 m 06.09.2014
1.0 m 07.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 16 20 23 43
17.00
17.50
SPT 18.00 18.45 14 16 19 35
18.50
19.00
Site: Basirhat Sub-Divisional Hopital,Basirhat, 24 Pargana (N)
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
As per IS: 1892:2002
BORELOG
Date of Completion : Depth of Casing : -
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DESCRIPTION
Ty
pe
DEPTH(M) SPT: No Blows
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
B.H.NO : 02
SHEET NO : 2 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
19.00
SPT 19.50 19.95 12 14 16 30
20.00
20.50
SPT 21.00 21.45 12 15 20 35
21.50
22.00
SPT 22.50 22.95 16 20 23 43
23.00
23.50
SPT 24.00 24.45 17 20 28 48
24.50
25.00
SPT 25.50 25.95 20 24 31 55
26.00
26.50
SPT 27.00 27.45 17 20 25 45
27.50
28.00
SPT 28.50 28.95 19 23 28 51
29.00
29.50
SPT 30.00 30.45 18 25 30 55
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
Stiff to Very Stiff to Hard Whitish Grey Fine
to Medium Silty Sand/Sandy Silt With
Traces of Mica.
5
40 m 06.09.2014
1.0 m 07.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 16 20 21 41
32.50
33.00
33.50
SPT 34.00 34.45 19 23 25 48
34.50
Ty
pe
DEPTH(M)
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 3 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Basirhat Sub-Divisional Hopital,Basirhat, 24 Pargana (N)
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : -
SAMPLE DETAILS
Stiff to Very Stiff to Hard Whitish Grey Fine
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
SPT: No Blows
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Date of Completion :
DESCRIPTION
35.00
35.50
SPT 36.00 36.45 18 19 25 44
36.50
37.00
37.50
SPT 38.00 38.45 15 17 23 40
38.50
39.00
39.50
SPT 40.00 40.45 12 15 24 39
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
40.0
Stiff to Very Stiff to Hard Whitish Grey Fine
to Medium Silty Sand/Sandy Silt With
Traces of Mica.
6
1 of 2
PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT
PROPOSED
MULTI-SPECIALITY/ SUPER SPECIALITY HOSPITAL
UNDER NON-BRGF
AT ASANSOL
Date : 17/10/2014
ALLOWABLE BEARING PRESSURE CALCULATION
Shallow Foundation
(a) Bearing Capacity Analysis for shallow foundation
The net ultimate bearing capacity (qult) of shallow footings as per I.S.Code (I.S.6403-1981) is given by the equation:
qult =Cu.Nc.sc.dc.ic +s(Nq-1)sq.iq.dq+(1/2)B.γ.Nγ.sγ.dγ.iγ.W/
qult = Cu.Nc.sc.dc.ic {For φ=0,Cohesive Soil}
where Nc =5.14 (For, φ =0)
Nc,Nq,Nγ= Bearing capacity factors (As per I.S.6403-1981)
sc, sq,sγ = Shape factor.
dc,dq,dγ = Depth factor.
ic , iq, iγ = inclination factor.
γ = Bulk unit weight of sub-soil.
W/= Correction factor to account for the effect of water table.
σ = Effective surcharge at the base level of foundation.
B = Width of footings
L = Length of footings
Df = Depth of foundation
Cu = Undrained shear strength (From Laboratory Test)
N = SPT Values related to consistency of Clay Soil
φ = phi (From Field / Laboratory Test)
2 of 2
(b) Settlement for shallow foundation
Settlement=Immediate Settlement +Consolidation Settlement Sf = Si +Sc Si = qnet B*{[1- µ
2]/Es}*If
qnet = Net foundation pressure/Intensity of contact pressure B = Width of footing Es = Undrained Modulus of elasticity of soil µ = Poisson’s Ratio of soil If = Influence coefficient, a function of ratio of length to width of footing=1.12
Sc = mv. ∆p.H. mv= Coefficient of volume change/compressibility.
∆p = Pressure increment due to foundation loading =(LXBXP)/{(L+H/2)(B+H/2)}. H = Thickness of the stratum.
(c) Data Required & Obtained from Laboratory & Field Test Results
Cu = 2.70 T/m2
γ = 1.80 T/m3
φ = 0 0
Allowable Bearing Pressure
Sl.No.
Types of Footing Footing Size
(m x m)
Depth of footing
below E.G.L. (m)
Net Safe Bearing
Capacity (T/m2)
Allowable Bearing Pressure ((T/m2)
Max. Permissible Settlement(mm)
1 Square 1.2 X 1.2 1.5 9.02 9.0 75
2 Square 1.5 X 1.5 1.5 8.66 8.7 75
3 Square 2.0 X 2.0 1.5 8.30 8.3 75
4 Square 2.5 X 2.5 1.5 8.08 8.1 75
5 Square 3.0 X 3.0 1.5 7.94 7.9 75
6 Rectangular 1.5 X 2.5 1.5 7.46 7.5 75
7 Rectangular 2.0 X 3.0 1.5 7.24 7.2 75
8 Rectangular 2.5 X 3.0 1.5 7.25 7.3 75
9 Strip (L/B < 5) 1.5 m wide 1.5 6.93 6.9 75
10 Strip (L/B < 5) 2.0 m wide 1.5 6.64 6.6 75
11 Strip (L/B < 5) 2.5 m wide 1.5 6.47 6.5 75
12 Strip (L/B < 5) 3.0 m wide 1.5 6.35 6.4 75
4 m 30.09.2014
- 01.10.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 1 1 2 3
UDS 2.00
2.50
SPT 3.00 3.45 2 2 3 5
3.50
Ty
pe
SAMPLE DETAILS
B.H.NO : 01
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Asansol Sub-Divisional Hospital, Asansol,Dist-Burdwan
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 1 of 1
BORELOGAs per IS: 1892:2002
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Date of Completion : Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
Soft to Medium Reddish Grey Silty
Clay/Clay Silt with Traces of mica.
3.50
DESCRIPTION
3.50
SPT 4.00 4.45 18 52 52
SPT 5.00 5.45 55 >50
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
SPT : Standard Penetration Test (P) 03 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 05 WS: Water Sample (W)
Hard Whitish Yellow/ Yellowish Sand
Stone Very Severely weathered
disintegrated into fragments of silty sand.5.00
1
4 m 01.10.2014
- 01.10.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 1 1 2 3
UDS 2.00
2.50
SPT 3.00 3.45 1 1 2 3
3.50
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DESCRIPTION
SAMPLE DETAILS
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 1 of 1
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Asansol Sub-Divisional Hospital, Asansol,Dist-Burdwan
Date of Commencement :
DEPTH(M) SPT: No Blows
Soft Reddish Grey Silty Clay/Clay Silt with
Traces of mica.
3.50
Diameter of Boring : 150 mm Depth of Borehole :
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Date of Completion :
Ty
pe
Hard Whitish Yellow/ Yellowish Sand
Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
4.00
SPT 4.50 4.95 24 51 51
5.00
DS :Disturbed Sample (D) 05 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 03 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 01 CS : Core Sample ( C )
5.00
Hard Whitish Yellow/ Yellowish Sand
Stone Very Severely weathered
Disintegrated in to fragments of silty sand.
2
1 of 2
PRELIMINARY GEOTECHNICAL INVESTIGATION REPORT
PROPOSED
MULTI-SPECIALITY/ SUPER SPECIALITY HOSPITAL
UNDER NON-BRGF
AT ARAMBAGH
Date : 14/10/2014
ALLOWABLE BEARING PRESSURE CALCULATION
Shallow Foundation
(a) Bearing Capacity Analysis for shallow foundation
The net ultimate bearing capacity (qult) of shallow footings as per I.S.Code (I.S.6403-1981) is given by the equation:
qult =Cu.Nc.sc.dc.ic +s(Nq-1)sq.iq.dq+(1/2)B.γ.Nγ.sγ.dγ.iγ.W/
qult = Cu.Nc.sc.dc.ic {For φ=0,Cohesive Soil}
where Nc =5.14 (For, φ =0)
Nc,Nq,Nγ= Bearing capacity factors (As per I.S.6403-1981)
sc, sq,sγ = Shape factor.
dc,dq,dγ = Depth factor.
ic , iq, iγ = inclination factor.
γ = Bulk unit weight of sub-soil.
W/= Correction factor to account for the effect of water table.
σ = Effective surcharge at the base level of foundation.
B = Width of footings
L = Length of footings
Df = Depth of foundation
Cu = Undrained shear strength (From Laboratory Test)
N = SPT Values related to consistency of Clay Soil
φ = phi (From Field / Laboratory Test)
2 of 2
(b) Settlement for shallow foundation
Settlement=Immediate Settlement +Consolidation Settlement Sf = Si +Sc Si = qnet B*{[1- µ
2]/Es}*If
qnet = Net foundation pressure/Intensity of contact pressure B = Width of footing Es = Undrained Modulus of elasticity of soil µ = Poisson’s Ratio of soil If = Influence coefficient, a function of ratio of length to width of footing=1.12
Sc = mv. ∆p.H. mv= Coefficient of volume change/compressibility.
∆p = Pressure increment due to foundation loading =(LXBXP)/{(L+H/2)(B+H/2)}. H = Thickness of the stratum.
(c) Data Required & Obtained from Laboratory & Field Test Results
Cu = 3.50 T/m2
γ = 1.80 T/m3
φ = 0 0
Allowable Bearing Pressure
Sl.No.
Types of Footing Footing Size
(m x m)
Depth of footing
below E.G.L. (m)
Net Safe Bearing
Capacity (T/m2)
Allowable Bearing Pressure ((T/m2)
Max. Permissible Settlement(mm)
1 Square 1.2 X 1.2 1.5 11.69 11.7 75
2 Square 1.5 X 1.5 1.5 11.22 11.2 75
3 Square 2.0 X 2.0 1.5 10.76 10.8 75
4 Square 2.5 X 2.5 1.5 10.48 10.5 75
5 Square 3.0 X 3.0 1.5 10.29 10.3 75
6 Rectangular 1.5 X 2.5 1.5 9.67 9.7 75
7 Rectangular 2.0 X 3.0 1.5 9.38 9.4 75
8 Rectangular 2.5 X 3.0 1.5 9.40 9.4 75
9 Strip (L/B < 5) 1.5 m wide 1.5 8.98 9.0 75
10 Strip (L/B < 5) 2.0 m wide 1.5 8.61 8.6 75
11 Strip (L/B < 5) 2.5 m wide 1.5 8.38 8.4 75
12 Strip (L/B < 5) 3.0 m wide 1.5 8.23 8.2 75
40 m 24.09.2014
1.2 m 26.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 4 6 8 14
UDS 2.00
2.50
SPT 3.00 3.45 2 2 3 5
UDS 3.50
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Date of Completion : Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
Ty
pe
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DEPTH(M) SPT: No Blows
B.H.NO : 01
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Arambagh Sub-Divisinal Hospital,Arambag, Dist-Hooghly
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 1 of 3
BORELOGAs per IS: 1892:2002
DESCRIPTION
Medium to Stiff Greyish Brown Silty
Clay/Clayey Silt.
3.50UDS 3.50
4.00
SPT 4.50 4.95 8 12 10 22
UDS 5.00
5.50
SPT 6.00 6.45 11 14 16 30
UDS 6.50
7.00
SPT 7.50 7.95 12 18 20 38
8.00
8.50
SPT 9.00 9.45 11 20 22 42
9.50
10.00
SPT 10.50 10.95 13 17 24 41
11.00
11.50
SPT 12.00 12.45 14 24 30 54
12.50
13.00
SPT 13.50 13.95 15 22 32 54
14.00
14.50
SPT 15.00 15.45 14 24 33 57
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
Very Stiff to Hard Brownish Grey Silty
Clay/Clayey Silt.
Dense to Very Dense Yellowish Medium
to Course Sand with Traces of Mica.
3.50
7.50
1
40 m 24.09.2014
1.2 m 26.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 15 21 35 56
17.00
17.50
SPT 18.00 18.45 16 22 37 59
18.50
19.00
SPT: No Blows
BORELOG B.H.NO : 01
DESCRIPTION
Ty
pe
Site: Arambagh Sub-Divisinal Hospital,Arambag, Dist-Hooghly
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
DEPTH(M)
As per IS: 1892:2002
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SHEET NO : 2 of 3
Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : - Date of Completion :
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Diameter of Boring : 150 mm Depth of Borehole :
19.00
SPT 19.50 19.95 21 29 35 64
20.00
20.50
SPT 21.00 21.45 24 34 38 72
21.50
22.00
SPT 22.50 22.95 20 25 36 61
23.00
23.50
SPT 24.00 24.45 16 19 34 53
24.50
25.00
SPT 25.50 25.95 19 23 31 54
26.00
26.50
SPT 27.00 27.45 22 25 30 55
27.50
28.00
SPT 28.50 28.95 23 29 36 65
29.00
29.50
SPT 30.00 30.45 25 32 40 72
Dense to Very Dense Yellowish Medium
to Course Sand with Traces of Mica.
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
2
40 m 24.09.2014
1.2 m 26.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 17 22 35 57
32.50
33.00
33.50
SPT 34.00 34.45 18 26 40 66
34.50
35.00
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
DEPTH(M) SPT: No Blows
DESCRIPTION
Ty
pe
BORELOG B.H.NO : 01
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Depth of Casing : -
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Site: Arambagh Sub-Divisinal Hospital,Arambag, Dist-Hooghly
Date of Completion :
As per IS: 1892:2002 SHEET NO : 3 of 3
35.00
35.50
SPT 36.00 36.45 21 38 49 87
36.50
37.00
37.50
SPT 38.00 38.45 23 33 48 81
38.50
39.00
39.50
SPT 40.00 40.45 28 32 50 82
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
Dense to Very Dense Yellowish Medium
to Course Sand with Traces of Mica.
40.0
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
3
40 m 26.09.2014
1.6 m 27.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
0.00
DS 0.50
DS 1.00
SPT 1.50 1.95 4 5 7 12
UDS 2.00
2.50
SPT 3.00 3.45 2 3 4 7
UDS 3.50
DEPTH(M) SPT: No Blows
Depth of Casing : -Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014Date of Completion :
Ty
pe
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
DESCRIPTION
SAMPLE DETAILS
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 1 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Arambagh Sub-Divisinal Hospital,Arambag, Dist-Hooghly
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
Medium to Stiff Greyish Brown Silty
Clay/Clayey Silt.
3.50
4.00
SPT 4.50 4.95 9 11 10 21
UDS 5.00
5.50
SPT 6.00 6.45 12 15 17 32
UDS 6.50
7.00
SPT 7.50 7.95 13 20 22 42
8.00
8.50
SPT 9.00 9.45 11 22 21 43
9.50
10.00
SPT 10.50 10.95 15 18 26 44
11.00
11.50
SPT 12.00 12.45 14 19 28 47
12.50
13.00
SPT 13.50 13.95 19 23 31 54
14.00
14.50
SPT 15.00 15.45 15 25 33 58
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
Very Stiff to Hard Brownish Grey Silty
Clay/Clayey Silt.
Dense to Very Dense Yellowish Medium
to Course Sand with Traces of Mica.
7.50
4
40 m 26.09.2014
1.6 m 27.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
15.50
16.00
SPT 16.50 16.95 16 22 34 56
17.00
17.50
SPT 18.00 18.45 17 23 38 61
18.50
19.00
B.H.NO : 02
SHEET NO : 2 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
SAMPLE DETAILS
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Site: Arambagh Sub-Divisinal Hospital,Arambag, Dist-Hooghly
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
As per IS: 1892:2002
BORELOG
DEPTH(M) SPT: No Blows
Diameter of Boring : 150 mm Depth of Borehole : Date of Commencement :
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014
DESCRIPTION
Ty
pe
Date of Completion : Depth of Casing : -
19.00
SPT 19.50 19.95 22 30 37 67
20.00
20.50
SPT 21.00 21.45 24 33 36 69
21.50
22.00
SPT 22.50 22.95 22 24 25 49
23.00
23.50
SPT 24.00 24.45 17 20 35 55
24.50
25.00
SPT 25.50 25.95 20 22 32 54
26.00
26.50
SPT 27.00 27.45 22 25 30 55
27.50
28.00
SPT 28.50 28.95 23 29 36 65
29.00
29.50
SPT 30.00 30.45 25 32 40 72
Dense to Very Dense Yellowish Medium
to Course Sand with Traces of Mica.
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
5
40 m 26.09.2014
1.6 m 27.09.2014
Fro
m
To
0-1
5 c
m
15
-30
cm
30
-45
cm
N'
Va
lue
31.00
31.50
SPT 32.00 32.45 18 23 36 59
32.50
33.00
33.50
SPT 34.00 34.45 20 28 41 69
34.50
Th
ick
ne
ss/D
ep
t
h o
f La
ye
r(m
)
Date of Completion :
DESCRIPTION
SPT: No Blows
Date of Commencement :
Method of Boring : Shell & Auger Ground Elevation: E.G.L.
BORELOG B.H.NO : 02
As per IS: 1892:2002 SHEET NO : 3 of 3
GEOTECHNICAL INVESTIGATION FOR PLANNING, DESIGN AND EXECUTION OF MULTI-SPECIALITY/
SUPERSPECIALITY HOSPITAL UNDER NON-BRGF
Site: Arambagh Sub-Divisinal Hospital,Arambag, Dist-Hooghly
Water Stuck : 4.5 m Depth of Casing : - Date of Completion : 02.05.2014 Depth of Casing : -
SAMPLE DETAILS
Ty
pe
DEPTH(M)
Diameter of Boring : 150 mm Depth of Borehole :
35.00
35.50
SPT 36.00 36.45 20 37 48 85
36.50
37.00
37.50
SPT 38.00 38.45 25 35 49 84
38.50
39.00
39.50
SPT 40.00 40.45 29 35 48 83
SPT : Standard Penetration Test (P) 25 VS : Vane Shear Test (V)
DS :Disturbed Sample (D) 27 WS: Water Sample (W)
UDS : Undisturbed Sample (U) 04 CS : Core Sample ( C )
40.0
Dense to Very Dense Yellowish Medium
to Course Sand with Traces of Mica.
6
