60 November 28, 1975
THE DETROIT JEWISH NEWS
Engineering Initiative Leads to Shore Projects
A recent issue of the tion affect the ships there?
Technion Quarterly de- The ships themselves create
scribed the development of a waves, causing a kind o f
new marina and harbor backlash.
complex for the city of Tel
"At the surface level
Aviv by the Technion — Is- water moves differently •
rael Institute of Technology. than below the surface.
"People told us that Tech- How do you plan for
nion had no experience,-that storms and, most difficult
the problems connected of all, how do you calcu-
with building a three-di- late the constantly shifting
mensional breakwater sand on the sea bed?
model were so complicated,
"It is go easy to miscalcu-
it would be better to spend late, and practically impos-
our money for an expensive sible to undo a mistake once
test model outside Israel," a breakwater is built. That's
said Uri Bar-Ratzon in 1971 why the test model is so
when he was Director of important."
"Atarim" Ltd., a company
In each coastal model,
owned jointly by the Minis- time is condensed, so that
try of Tourism and the Mu- the tiny waves striking the
nicipality of Tel Aviv — miniature breakwater can
Jaffa.
:ivit000k&
simulate a year of wear and
"They were right, you tear in one day or even less.
know. All Technion had to
All the vagaries of Mother-
offer was a few people Nature are included in the
with the know-how, mod- testing, often at levels more
est facilities to say the intense than ever- observed.
least, and more `chutzpa' Because time is shortened,
than practical experience. the testing may cover many
"I'll admit to equal parts years of coastal develop-
of Zionism and a desire to ment in the past and in the
save foreign currency. I even future.
The Technion — Israel Institute of Technology's working scale model of the now completed Atarim Marina
believe that 'if there is no
This allows Dr. Vajda and
first time, there cannot be a his associates to test a large complex in Tel Aviv is shown in the top photograph. In the bottom photograph, a project engineer checks a portion of
second time.' Anyway, we number of alternatives in a harbor model.
gave the job to Technion."
their experiments.
Moshe Amir, current di-
"Our real activity be-
rector of Atarim, harbors no gain in 071," added Av-
such doubts today.
ner Tal, business manager
It was four years ago that of the center, "when
Atariria took a major chance Atarim asked us to build
with the Technion and its and test the models for a
,Coastal Engineering Re- chain of breakwaters
search Center, and a lot of along the Tel Aviv-Jaffa
water has gone over the shoreline.
miniature breakwater since.
"The objective, is to induce
For Dr. Vajda, scientific accumulation of sand along
director of the center, and a two kilometer-long stretch
a few others in the faculty of coast and thereby add
of civil engineering, it "was beach area quite naturally."
the opportunity to build
Two of the breakwaters
one of the few facilities in have been built already, as
the world capable of build- well as the Atarim Marina,
ing a movable bed test a 400-boat docking facility
model of a shoreline.
that opened this summer.
The problems were enor-
It is about half as large as
mous. Molding a sea front in the marina that the center
a wave tank from sand, peb- has recently completed pre-
bles and other materials liminary planning and
only looks easy.
model tests for.
Dr. Vajda explains some
According to Uri Stock,
of the factors influencing planning and engineering
design: "We have to know at adviser to the Ministry of
what angle the wave will hit Tourism, the large Marina
the breakwater, of course.
City project will be con-
"But no wave stops mov- structed at the northern-
ing at that point. It contin- most tip of the Tel Aviv-
ues toward the shore around Jaffa shoreline at the
Kollek, Dulzin Find Jerusalem Have Same Ills as Other Cities
the breakwater and into the mouth of the Yarkon
harbor. How does this agita- River.
NEW YORK — Mayor are enormous, and the sit-
This Jewish Agency riety of recreational and
This major development Teddy Kollek said he sees uation is aggravated by laundry
facility enables cultural activities are avail-
Conditions, Worsen will combine commercial Jerusalem as a city that has
the fact that new immi- women to get their laun- able.
a
nd
tourist
facilities
with
all
the
same
problem_s
of
ci-
in South America
grant housing stands op- dry done while taking les-
rivate homes and apart- ties the world over, all the
these families who sons in cooking, sewing or
RAMAT GAN (ZINS) — ment houses and provide a problems, of Israel, and posite
live in slum conditions. in stretching their food Pan Am to Carry
Worsening conditions in marina large enough for 800 some of its own.
They are brave people. But budgets. If they choose,
South America and the con- b oats.
The Jerusalem mayor how long can we ask them they can just relax and Cargo From Israel
stantly escalating inflation
said he believes that his city to wait?"
have a cup of tea with
NEW YORK- — Pan
have created a general feel- Histadrut Rabbi
has been more inventive and
Dulzin said he sees these their neighbors. The cen-
American
World Airways
ing of insecurity among
more innovative in bridging
in terms of possi- ter even has a built-in ba-
has begun a series of once-
Jews, according to a report Speeds Conversions the social gaps that exist problems
ble solutions. "The Jewish by-sitting service.
weekly cargo charter fliahts
by the mayor of Ramat
JERUSALEM (ZINS)
than any other community
between Tel. Avis
Gan, Dr. Israel Peled, who Rabbi Menachem -Hacohen, is Israel. The results are a Agency cannot undertake
The
Jewish
'
Agency
also
Frankfurt to bring'
just returned from a South r ab-bi of the Histadrut, comparatively quiet and the total job of closipg the allocates money to refur-
social gap," he points out.
produce to markets in Eu-
American visit. -
blasted his rabbinical col- beautiful city.
"But we can help solve some bish as neighboi-hood cen-
rope.
Peled emphasized that 1 eagues for dragging their
ters
several
bomb
shelters
Treasurer and Acting problems that will help im-
The first of 10 flights
although the local Jews are f eet and taking years to Chairman of the Jewish prove the quality of life for in socially distressed areas
chartered by El Al for the
practically sitting on their c omplete the conversion of Agency, Leon Dulzin, re-
and
also
provides
funds
to
thousands of families in-Je-
Israeli Ministry of Agricul-
packed valises; Israel t hose wishing to adopt Ju- cently said, "I walked with rusalem.
hire workers to staff these
ture began in mid-Novem-
doesn't figure in their emi- d aism.
centers.
Mayor Teddy Kollek
"For example, the mayor
ber. The aircraft, a Pan Am
gration. plans.
He told of the case of a through some of the neigh-
Here, school children can
747 freighter, will carry pro-
Out of one million Jews n on-Jewish woman who was borhoods where there are showed-me a block where do their homework with the
duce such as tomatoes, or-
who live in South America a nxious to convert to Juda- thousands of families of the more children live than any help and guidance of youth
block in Jerusalem'.
anges and gladiola bulbs
barely 150,000 are affiliated i sm with the rabbi stalling a working poor, and many on other
volunteers supervised by the from Israel to European
with any type of Jewish or- v ery long time. Finally, she welfare. These are usually Walking through this neigh-, neighborhood worker. Be-
ganization. Assimilation t old him, "In the end I will large families, who emi- borhood, I learned that it cause the shelter program is markets.
was possible to make life
The 10 flights are planned
and mixed marriages are b ecome converted to Juda- grated from the Moslem more
livable for overbur- tied in with the larger pro- to operate through mid-Jan-
increasing and, in fact, i sm but in the process I may countries of North Africa
dened mothers, by install- gram of a community cen-
uary and are expected to
threaten the existence of the a lso become an anti-Sem- and Asia.
ing an automatic laundry ter, built by UJA's Israel carry some 900 tons of pro-
Jewish communities.
te." ti )
"The
social
problems
center.
Education Fund, a broad va- duce.
,
• a, •
(- a• .c • •
•
.
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