emisor oriente tunnel - i mia · andesita sierra . de guadalupe . abanicos. aluviales . arcillas...
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EMISOR ORIENTE TUNNELIMIA Meeting MeridaM.S. Carlos Rodolfo de la Mora RodríguezSeptember 30, 2015
1.BACKGROUND2.TECHNICAL ASPECTS3.PROGRAM WORKS4.RISKS5.INSURANCE POLICY
CONDITIONS
SCHEDULE
01.BACKGROUND
EMISOR ORIENTE TUNNEL
BACKGROUND
•Mexico City valley is a closed basin without natural water outlet.
•As a matter of fact, Mexico City was originally built in a small island of the Texcoco Lake.
•Starting in the XVIIth Century, large artificial dewatering works were undertaken to avoidrecurrent flooding of the city (Auvinet, 2010).
EMISOR ORIENTE TUNNEL
BACKGROUND
Mexico City valley is a closed basin that was originally formed of five large lakes: Texcoco, Xaltocan, Zumpango, Xochimilco and Chalco.
EMISOR ORIENTE TUNNELOVERVIEW OF THE DRAINAGE SYSTEM, 1975
In 1975:
• Total Capacity: 290 m3/s
• Population:10 million
R. CHURUBUSCO
R. SN BUENAVENTURA
C. MIRAMONTES
L.R. CIÉNEGA CHICA
T. INTERCONEXIÓNI. C. NAL.-C. CHALCO
L.R. CIÉNEGA GRANDEI. C. NAL.
I. ORIENTE-SUR
I. IZTAPALAPA
I. ORIENTE 2
L.R. SN. LORENZOTEZONCO
30 m3/s
80 m3/s
DGVR Remedios
R. Compañia
R. Hondo
180 m3/s*
R. CHURUBUSCO
R. SN BUENAVENTURA
C. MIRAMONTES
L.R. CIÉNEGA CHICA
T. INTERCONEXIÓNI. C. NAL.-C. CHALCO
L.R. CIÉNEGA GRANDEI. C. NAL.
I. ORIENTE-SUR
I. IZTAPALAPA
I. ORIENTE 2
L.R. SN. LORENZOTEZONCO
30 m3/s 10 m3/s
DGVR Remedios
R. Compañia
R. Hondo
In 2014
• Total Capacity: 150 m3/s (Before 290 m3/s)
• Population: 22 million
E Central110 m3/s
EMISOR ORIENTE TUNNELOVERVIEW OF THE DRAINAGE SYSTEM, 2014
EMISOR ORIENTE TUNNELOVERVIEW OF THE DRAINAGE SYSTEM
02.TECHNICAL ASPECTS
EMISOR ORIENTE TUNNELCONSORTIUM CONSTRUCTOR
LOCATION
Northeastern of Mexico City
EMISOR ORIENTE TUNNELLOCATION
GENERALS-Client: CONAGUA
-Contractor: COMISSA
-TUNNEL
-Length: 62 km.
-Excavation diameter: 8.70 m and 8.90 m
-Diameter (internal): 7.00 m
-Two liners (Concrete segments and final
liner)
-Thickness: 35 and 40 cm
EMISOR ORIENTE TUNNELPROJECT DESCRIPTION
-SHAFTS
-Final diameter: 12 and 16 m
- Depth: variable from 28 to 160m
-Total construction: 24 shafts
GEOLOGICAL MAP
Ql
Ql
Ql
Nomenclature
Qal Alluvial deposit
TpG2 Vulcanite, Dacite
Ql Lacustrine deposit
Vulcanite, mainly
intermediate
ToV
Taximay Formation (clays )TpL
EMISOR ORIENTE TUNNELGEOLOGICAL MAP
TRAMO 1 TRAMO 2 TRAMO 3 TRAMO 5 TRAMO 6TRAMO 4
SUELOS PRELACUSTRES
DEPÓSITOS LACUSTRESARCILLAS BLANDAS
ANDESITA SIERRA DE GUADALUPE
ABANICOSALUVIALES
ARCILLAS LACUSTRES
CONSOLIDADAS07
0+000 2+000 4+000 6+000 8+000 10+00 12+00 14+00 16+00 18+00 20+00 22+00 24+00 26+00 28+00 30+00 32+00 34+00 36+00 38+00 40+00 42+00 44+00 46+00 48+00 50+00 52+00 54+00 56+00 58+00 60+00 62+00
L-00
0+
000.
000
L-1A
2+7
53.2
13
L-03
5+3
98.1
35
L-04
8+2
07.9
63
L-06
11+
475.
642
L-05
10+
053.
591
L-10
21+
635.
101
L-09
18+
843.
767
L-08
16+
031.
712
L-07
13+
486.
633
PS
61+
802.
948
L-24
58+
933.
586
L-23
57+
478.
729
L-22
54+
822.
982
L-21
52+
518.
211
L-11
24+
766.
927
L-12
27+
603.
115
L-13
30+
793.
443
L-14
33+
416.
090
L-15
35+
865.
083
L-16
38+
533.
131
L-17
40+
994.
886
L-18
44+
303.
970
L-19
46+
698.
890
L-20
49+
631.
890
BASALTOSDEPÓSITOS HETEROGÉNEOS DE ORIGEN VOLCÁNICO
DEPÓSITOS HETEROGÉNEOS DE ORIGEN VOLCÁNICO
EMISOR ORIENTE TUNNELGEOLOGICAL PROFILE
GEOTECHNICAL INFORMATION:
•350 boreholes (aprox. 1@250m)
Lacustrine Deposit
Soft Clays
Taximay Formation(clay)
Andesite Rock
Sandy Deposit
Basaltic rockAlluvialDeposit
VulcaniteFormation (dacite, basaltic rock, etc)
BasalticRock
SECCION GEOLÓGICA GENERALSierra de Guadalupe
ARCILLAS BLANDAS CONELEVADO CONTENIDO DE AGUAω=200-350%IMPERMEABLES
LUM
BRER
A L-
08 IC
A
LUM
BRER
A L-
00 IC
A
LUM
BRER
A L-
1A IC
A
LUM
BRER
A L-
04 IC
A
LUM
BRER
A L-
03 IC
A
LUM
BRER
A L-
05 IC
A
LUM
BRER
A L-
06 IC
A
LUM
BRER
A L-
07 IC
A
LUM
BRER
A L-
09 IC
A
LUM
BRER
A L-
10 IC
A
LUM
BRER
A L-
11 IC
A
LUM
BRER
A L-
12 IC
A
LUM
BRER
A L-
13 IC
A
LUM
BRER
A L-
14 IC
A
LUM
BRER
A L-
15 IC
A
LUM
BRER
A L-
16 IC
A
LUM
BRER
A L-
17 IC
A
LUM
BRER
A L-
18 IC
A
LUM
BRER
A L-
19 IC
A
LUM
BRER
A L-
20 IC
A
LUM
BRER
A L-
21 IC
A
LUM
BRER
A L-
22 IC
A
LUM
BRER
A L-
23 IC
A
LUM
BRER
A L-
24 IC
A
2+75
3.21
3
0+00
0.00
0
5+39
8.13
5
8+20
7.96
3
10+
053.
591
11+
475.
642
13+
486.
633
16+
031.
712
18+
843.
767
21+
635.
101
24+
776.
927
27+
603.
115
30+
793.
443
33+
416.
090
35+
865.
083
38+
533.
131
40+
994.
886
44+
303.
970
46+
698.
890
49+
631.
757
52+
518.
211
54+
822.
982
57+
478.
729
58+
933.
586
61+
802.
948
2.753213 Km. 2.644922 Km. 1.845628 Km. 2.010991 Km.1.422051 Km.2.809828 Km.
0+000 5+000 10+000 15+000 20+000 25+000 30+000 35+000 40+000 45+000 50+000 55+000 60+000
Tultepec Zumpango Huehuetoca
0 1A 3 4 5 6 7 8 9 10 11 12
61,802.948 m
13 14 15 16 17 18 19 20 21 22 23 24
PORT
AL S
ALID
A PS
-01
1
8
7
4
BASALTOS PERMEABLES ARCILLAS LACUSTRES CONSOLIDADASDEL PLIOCENO MEDIO IMPERMEABLES
CaracolRío de los Remediosesq. Av. Gran Canal Casa Nueva Tecámac
2300
2250
2150
2100
2200
2050
2000
2300
2250
2150
2100
2200
2050
2000
61.744385 Km.PS
PEND= 0.19%
Ejido ConejosEjido MelchorTeoloyucan
2.545079 Km. 2.812055 Km. 2.791334 Km. 3.141826 Km. 2.826188 Km. 3.190328 Km. 2.622647 Km. 2.448993 Km. 2.668048 Km. 2.461755 Km. 3.309084 Km. 2.394920 Km. 2.932867 Km. 2.886454 Km. 2.304771 Km. 2.655747 Km. 1.454857 Km. 2.869362 Km.
PEND= 0.19% PEND= 0.15%
FZ: Falla Zumpango Norte: W-E
FZ
TRAMO 1 TRAMO 2 TRAMO 3 TRAMO 4 TRAMO 5 TRAMO 6
5s= TAXIMAY SUPERIOR5i= TAXIMAY INFERIOR
10
3A3 93A= TOBA BASÁLTICA
NochistongoOcampo
5s5i
FT: Falla Tepotzotlán: W-E
Tajo de
2
4
46
6
3
3A
7
FOSA DE ZUMPANGO
4
6
6
FTFZ
7
6
5i
3
10
9
9
33
5i
4b
4a
4
4
10
34c
6a
6a
5s5i
ABANICOS ALUVIALES:SUELOS Y TOBAS PUMÍTICASMEDIANAMENTE PERMEABLES6a= CONGLOMERADOS Y FRAGMENTOS
4a= TOBA PUMÍTICA ALUVIAL4b= RELLENO ALUVIO-FLUVIAL4c= COLUVIONES O DEPOSITOS DE
SUELOS Y ARENAS ALUVIALESCON GRAVAS, POCO PERMEABLE
(LAHARES)
LAVAS Y TOBAS DEL MIOCENOSIERRA DE GUADALUPE ANDESITA
ARCILLASLACUSTRES
CONSOLIDADAS
DEPÓSITOS LACUSTRES
ARCILLO-ARENOSOS PUMÍTICOS
VULCANITASHUEHUETOCA
4
43
3
22a
2a
PUMÍTICOS
PUMÍTICAS Y BASÁLTICA
LAVAS ANDESÍTICAS SIERRA DEGUADALUPE
8
1
5s
7
CENIZAS VOLCÁNICAS; PERMEABLES EN PARTES ALTERADAS A ARCILLA.
CAPAS DE PÓMEZ; PERMEABLES EN PARTES ALTERADAS A ARCILLA.
LAVAS Y TOBAS DEL MIOCENOSIERRA DE GUADALUPE ANDESITA
SUELOS ALUVIALESCON ARENAS
Y GRAVASARCILLAS
LACUSTRESCONSOLIDADAS
DEPÓSITOS LACUSTRES
ARCILLO-ARENOSOS PUMÍTICOS
VULCANITASHUEHUETOCA
ARCILLAS LACUSTRES BLANDAS
DATOS DE PERMEABILIDADEN CADA LUMBRERA
LECTURAS PIEZOMETRICAS
0.47
bar
es
2.1
bare
s
2.6
bare
s
3.6
bare
s
4.2
bare
s
3.6
bare
s
3.2
bare
s
4.1
bare
s
5.2
bare
s
6.5
bare
s
5.8
bare
s
4.2
bare
s
4.2
bare
s4.
4 ba
res
Túnel
Piezometricline
EMISOR ORIENTE TUNNELHYDRAULIC CONDITIONS
•Diaphragm wall (total length)
• Mixed-procedure ( Diaphragm wall + conventional constructionprocedure)
•Conventional construction procedure (total length)
DEPENDING ON THE STRATIGRAPHIC CONDITIONS, THREE CONSTRUCTION PROCEDURESFOR THE CONSTRUCTION OF SHAFT ARE USED:
DIMENSIONS:
Two types of shaft:
1) Mounting Shaft Internal diameter: 16.0m Shaft: L0, L05, L10, L13 and L20
2) Service Shaft Internal diameter: 12.0m
The distance between shafts is around 2.5km, and depth varies from 28 to 160m.
EMISOR ORIENTE TUNNELSHAFT: DESIGN AND CONSTRUCTION
EMISOR ORIENTE TUNNELSHAFT: DESIGN AND CONSTRUCTION
•Diaphragm wall (total length)
Concrete rings
Steal tube
Shotcrete
Steal or concrete rings
Soil
Milan typewall
EMISOR ORIENTE TUNNELSHAFT: DESIGN AND CONSTRUCTION
•Mixed-procedure (Diaphragmwall + conventional construction
procedure)
EMISOR ORIENTE TUNNELSHAFT: DESIGN AND CONSTRUCTION
•Conventional construction procedure(total length)
For the deepest shafts we used a trench cutter in order to build diaphragm wallsup to 120 m depth.
ie. Shaft L20: Excavation Diameter 22m, Length walls: 120m
EMISOR ORIENTE TUNNELSHAFT: DESIGN AND CONSTRUCTION
EMISOR ORIENTE TUNNELTUNNEL: EXCAVATION
S-497 | Emisor Oriente| Mexico
Escudo EPB
Diameter: 8.70m
Length: 10,000 m
Uso: sewer drainage
Geology: soft clays/ sandy
clays,
COLOCAR VIDEO DE CONSTRUCCION DE TÚNEL0
1
2
3
4
5
67
8 1. Excavation front
2. Cutterhead
3. Chamber
4. Wall
5. Jacks
6. Screw conveyor
7. Erector 8. Concret Segments
EPB (Earth Pressure Balance)
EMISOR ORIENTE TUNNELTUNNEL: EXCAVATION
L L
¬ ¬
P1
P2
P4
E
P1: Front pressureP2: Injection pressureE: Length of jack
P4: Mucking
E
P2
T
EMISOR ORIENTE TUNNELTUNNEL: Excavation-Operation
EMISOR ORIENTE TUNNELTUNNEL: Excavation-Operation
ESCHEMATIC
The tunnel lining is formed by two liners1) Concrete segments 2) Cast in place lining
Between shafts L0 and L10 (21+600) the tunnel has an external diameter of 8.7m and the thickness of each liner is 0.35m.
From shaft L10 to PS (62+000) the tunnel has an external diameter of 8.9m and the thickness of each liner is 0.40m.
EMISOR ORIENTE TUNNELTUNNEL: DESIGN AND CONSTRUCTION
DIMENSIONS:•Thickness: 35cm and 40cm•Type: Universal ring•Numbers: 6+1 and 7+1
•External Diameter: 8.40m and 8.6m•Internal Diameter: 7.70m and 7.80m•Length: 1.5m
CONSTRUCTION:•Total concrete segments: 42,000
EMISOR ORIENTE TUNNELTUNNEL: LINER CONCRETE SEGMENTS
CLICK 1 CLICK 2
EMISOR ORIENTE TUNNELTUNNEL: SECOND LINER CAST “IN SITU”
EMISOR ORIENTE TUNNELTUNNEL: SECOND LINER CAST “IN SITU”
CLICK
03.PROGRAM OF WORKS
04.RISKS
EMISOR ORIENTE TUNNELRISKs
In this type of project, there are several risks associated with geologicalconditions, however, there are also constructive aspects which results in risks.Main constructives risks can be grouped in the following way:
•Geological risks. Changes in the initial geological conditions. Impact:Change in cutting tools or design of the machine
•Construction risks. Changes in the initial construction procedures. Impact:Damage to nearby structures.
•Enviromental and natural risks. Flood damages
SUBWAY: Sao Paulo, Brasil. Enero, 2007
EMISOR ORIENTE TUNNELRISKs: EXAMPLE: Construction risks
EMISOR ORIENTE TUNNELRISKs: Bridge intersection (example)
SHAFT L0. EMISOR ORIENTE TUNNEL. 2006
Shaft L00
BridgePeriférico
TEO
EMISOR ORIENTE TUNNELRISKs: Bridge intersection (example)
SHAFT L0. EMISOR ORIENTE TUNNEL. 2006
3m
10.4m
8.4mPilote cuadrado de.5x0.5m2 de sección
ransversal y 24m de longitud
Pilote cuadrado de0.5x0.5m2 de seccióntransversal y 24m de
longitud
2.14m de cimentación
.5m de peralte
12.14m
10.98m
24.2
3m
2m
4m
8.2m
Losa de cimentacióncon 0.5m de peralte
TEO
3m
10.4m
8.4mPilote cuadrado de.5x0.5m2 de sección
ransversal y 24m de longitud
Pilote cuadrado de0.5x0.5m2 de seccióntransversal y 24m de
longitud
2.14m de cimentación
.5m de peralte
12.14m
10.98m
24.2
3m
2m
4m
8.2m
Losa de cimentacióncon 0.5m de peralte
TEO
24m
2m
3m3m
0.5m
21m
19.4m
8.4m
2.14m
10.4m
24m
2m
3m3m
0.5m
21m
19.4m
8.4m
2.14m
10.4m
Layout Cross Section
Pile (0.5 x0.5 m
Concrete slab, e=0.5m
EMISOR ORIENTE TUNNELRISKs: Bridge intersection (example)
SHAFT L0. EMISOR ORIENTE TUNNEL. 2006
6.74m
6.4m
4.4m
6m
6.74m
6.4m
6m
5.6m
5.2m
5.6m5.2m4.8m
4.8m
6.74m
6.4m
4.4m
6m
6.74m
6.4m
6m
5.6m
5.2m
5.6m5.2m4.8m
4.8m
4.8m 5.2m
5.6m
6m
6.4m
4.4m
4.2m
4.8m 5.2m
5.6m
6m
6.4m
4.4m
4.2m
∆δ=0.2m
EMISOR ORIENTE TUNNELRISKs: Bridge intersection (example)
SHAFT L0. EMISOR ORIENTE TUNNEL. 2006
EMISOR ORIENTE TUNNELRISKs: mitigation measures (example)
JOBSITE COMPUTER
Real time transmition (TBM)
jobsite
Local
BACKUP
Internet conecction
Office computer
Office headquarter
website
PROCESS CONTROL
EMISOR ORIENTE TUNNELRISKs: mitigation measures (example)
GUIADANCE SYSTEM
Water pipeline from shaft Aditive pipeline + water
EMISOR ORIENTE TUNNELRISKs: aconditionating of soil (example)
05.INSURANCE POLICY CONDITIO
EMISOR ORIENTE TUNNELINSURANCE POLICY CONDITIONS
Insured Values USD 737’701,582.45.
Limit each and every loss and in the aggregate USD65’000,000
Covered Risk
Included but not limited to natural catastrophes (Earthquake and Hydro-Meteorologycal risks), Under ground construction, Endorsement MR 101 –110%, Fire, Extended Maintenance).
Sum Insured Section 1
Removal of Debris 10% of the value of the loss, maximum USD 13’000,000.
Overtime, Express Freight, Nightwork
20% of the value of the loss, maximum USD $ 975,000.
Air Freight 20% of the value of the loss, maximum USD $ 650,000
Professional Fees USD $ 422,500.
Drawings, documents and data USD $ 214,500.
Remote storage outside site USD $ 4’225,000
Inland Transit USD $ 4,225,000.
Sub limits and Clauses
EMISOR ORIENTE TUNNELINSURANCE POLICY CONDITIONS
Strike, Riot and Civil Commotion in the aggregate
USD $ 42’250,000.
Fighting Equipment USD $ 4’250,000.
Time Schedule 8 weeks
Underground cables & pipes Limit of open trenches 1,000 meters.
Hot and cold testing 8 weeks
Losses in Series 100%, 100%, 80%, 60%; 4th onwards, 0%
Safety Measures Return period, 20 years.
Sub limits and Clauses
EMISOR ORIENTE TUNNELINSURANCE POLICY CONDITIONS
Maintenance 18 Months.
Inflation Ensorsement 5%
Natural Castrophes (Eathquake and H.R.)
USD $ 650,000 each and every loss.
Test and Underground construction. USD $ 455,000 each and every loss.
Errors in Design, labour, Material and Maintenance
USD $ 455,000 each and every loss.
Other Risk USD $ 97,500 each and every loss.
EMISOR ORIENTE TUNNELINSURANCE POLICY CONDITIONS
Sub limits and Clauses
Deductibles
Losses
Loss Description
Damage by Flood ( flood) to shaft L-0
On 5th February 2010, due to the swelling of theriver Rio de los Remedios, shaft L-0 was flooded, Excavation works relating to the tunnel “TunelEmisor Oriente” were underway at the time of the loss. ( Loss below deductible).
Damage to Bauer BC40 hydro-mill, located at shaft L-19.
During the excavation of shaft No 19, the Bauer, model BC40 Hydro- mill cutter became JAMMED at depth of 88.70 meters during the second shiftof 30th March 2010. This loss belong to another policy CPM.
EMISOR ORIENTE TUNNELINSURANCE POLICY CONDITIONS
LOSSES
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