Aqueduct Quéretato II, México

SISTEMA ACUEDUCTO II
(Querétaro, México)
Name:
Client:
Location:
Start-up date:
Sistema Acueducto II
Comisión Estatal de Aguas de Querétaro
Querétaro (México)
2011
DAM
MAIN DATA
Actual population:
Future population in 25 years:
Average design flow :
Water supply source:
900,000 Inhab
1,600,000 Inh.
129,600 m3/d
Infiernillo source
Moctezuma river
INCLUDES:
AQUEDUCT PIPES
128 km
27 km
111 km
48 “, 42” and 30”
ACCESS ROADS
Total length:
Road surface :
Road width:
Design road speed:
Minimum curved radio:
Slopes :
16 m
86 m
1,400,000 m3
86 ml
INTAKE WORKS AND 1ST PUMPING STATION
Vertical centrifuge pumps
AQUEDUCT PIPELINE: pressure and gravity
Access roads
Dam
Intake works
Two pumping stations
Suction tank
Tunnel
DWTP– Drinking water treatment plant
Water supply regulation tank
Total length:
Pressure line:
Gravity line:
Diameters:
Curtain height:
Curtain length:
Dam volume:
Overflow length:
39 km
Granular base-sub base
5.5 km
25 km /h
25m
<10%
No. pumps:
Unitary flow:
Motor:
Height :
4 (3 + 1)
750 L/s
900 Kw
88 m.c.w.
Horizontal centrifuge pumps
No. pumps:
Unitary flow:
Motor:
Height :
4 (3 + 1)
750 L/s
6000 Kw
580 m.c.w.
Electrical sub-station 115KV
Type:
Pumps :
Secondary motors:
Tunnel illumination :
Services:
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Convencional
416 kV
480 V
208 V
120 V
SISTEMA ACUEDUCTO II
(Querétaro, México)
2nd PUMPING STATION AND SUCTION TANK
PRESSURE LINE
Horizontal centrifuge pumps
Main characteristics
No. pumps:
Unitary flow:
Motor:
Height :
4 (3 + 1)
750 L/s
6,000 Kw
580 m.c.w.
Electrical sub-station 115KV
Type:
Pumps :
Secondary motors:
Tunnel illumination:
Services:
Conventional
416 kV
480 V
208 V
120 V
Intake to 2nd pumping station:
2nd pumping station to Tunnel exit:
Tunnel exit to raw water storage tank:
Total length:
2km
4.5km
20.5km
27km
RAW WATER STORAGE TANK
Reinforced concrete
Cylindrical
1,500 m3
23 m
6m
4m
TUNNEL
Length :
Slope:
Section:
Ventilation:
Level drop between entries:
Constructive procedure:
2.25 m3/s
48”
API 5L-X65 & API 5L-X52
12.7 to 19.1 mm
Pipeline stretch's
Suction Tank
Construction:
Geometry:
Capacity:
Inner diameter:
Free height:
Water level:
Design flow:
Diameter:
Materials:
Pipe thickness:
Type:
Capacity:
Storage time:
Surface:
Water height:
Above-ground access road width:
Internal slope:
External slope:
2.9 km
0.7%
coffer shape 6 x 5
forced
20 m
drilling and blasting
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Pond
400,000 m3
3 days
55,200 m2
10 m
6m
3H 1V
2H 1 V