.
Dam of Zardazas
T is from the mounts of Constantine
about 345 square kilometers with a peak reaching
I
that Safsaf
wadi receives its rst
1172 meters at the level of El—Hadjar — Es—Safra
waters. lt allows it breaking through
(Kef Er—roumi).
El—Kantour chain East of Touimet. ln
R
_
f ll
_
'd
bl
}
_
.
.
,
.
.
-
a
—
order to meet Skikda region
s needs in water, it was
_
m a
eraH
€ as t
pluÇy10met1
y
.
.
.
1s 937 m
t
.
.
—
'
planned Since 1959 to build a dam in the gorge of
_
1
1me ers
owever,
a
a
wa
1_ system
is perfectly regular as 77% of the contributions
Zardezas.
.
ow on Winter between December and March.
Since the early excavation works in 1926, the
_
‘
.
,
.
The average
of these contributions reach 53
foundation s land appeared to be suitable to bear
_
_
_
_
.
.
million cubic meters. The height—of the concrete
the weight of a concrete dam. However, it was not
_
_
.
.
.
,
weight dam, set up in ac curve, reached 72 meters _
-
pOSSible to plan a sp111way independent from the
_
_
.
.
.
before the over—elevat10n. It includes three blocks
dam proper. It was dec1ded to build a Spillway
_
_
_
‘
_
_
_
_
at the left—hand Side shore, ve discharging passes
weight dam 1n concrete instead of dam 1n rocks
'
_
_
_
_
and two blocks at the right hand Side shore.
that would have required a Spillway completely
-
independent from the dam.
ln 1967, the dam’s‘capacity was reduced "0m 15
.
million cubic meters to 9 million cubic meters
It was therefore pushed back downstream in order
_
_
_
,
_
_
further
to
a
progress1ve
Siltiiig up, Which
to be able to be supported by a 11mestone massü‘. Its
_
,
_
,
_
d
1
t'
necessated its over—elevat10n to make it a dam
'
'
'
ts over—e eva ion
_
,
,
.
.
comm1ss10mng
was m
an
1
With 31 million cubic meters, a height of 74.60
m.
-
meters and a width of
meters.
,
_
'
5 kilometers
_
_
.
.
.
.
.
Located on the Saf
Saf wad1, som;â
f
Situated iii a beautiful alluwa farm1ng region,
it has
'
—
ters
rom
.
'
.
.
.
Northeast Of Constantine and 30
Oîle._ f th
enabled to ensure supply1ng dr1nk1ng water to the
.
_
-
:.
€
.
_
_
Sklkda’- _zal dezas
dam ls well the best
1aSI—n ..01
cities of Skikda and El—Harroucn, the irrigation of
Saf_Saf
m spite
Of an extremely comp îX g€î_ 0gî
Saf—Saf perimeters and the protection of the city of
.
’
‘
'
ace o
34«
.
dam s Site, the
basm lies on a sur
Skikda from ood waters.
sqii‘are kilometers whereas the average
altitude is
_
....
.......……………..
--.…-.…
.…..
..-.-..-.-.……-.…m---.
___-_.___…__…._
___—l l.___…__…_._……...….……...
..…..
…
-.
..
….
.
.
_
..……….……………
_
.…
..
..
_.
Précédent

- 86/268

Suivant