The Hawaiian star. [volume] (Honolulu [Oahu]) 1893-1912, 1912-01-23
MOSQUITO FORCE
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f. e. Thompson, have the honor to
submit the following report and rec
concentrations on cutters and down.
spouts for the city of Honolulu:
An examination of some of the
existing buildings reveals a more or
less unsatisfactory condition.; it was
found that many cutters oftimes slope
from outlets in place of to them. This
is caused in many respects by settle
ment of the building or defective sup
ports under the cutters between the
outlets Some cutters were found
with false bottoms; these are the
most dangerous for breeding mosqui-
toes, for the reason that holes de-
velop in all cutters in time and the
water runs through to the false bot
tom and forms an ideal culture recep.
tacle.
Cutters and downspouts from the
awnings over sidewalks have been
under discussion for several years in
technical circles as well as in the
courts, and no satisfactory or uniform
system has been adopted
1T has been found that in some
cases small holes have been punched
in the bottom of cutters, which is a
detriment to the cutters and is not
/ permanently effective or even tenn
] nj 1Nr ht,f
small leaves find Judgment in these
holes which assists in damming up
the water, thereby affording a larger
body of water for mosquito propaga-
ton. In some cases downspouts are
carried to sanitary sewers; this is ex-
tremely bad practice and should be
prohibited quickly.
IN view of the foregoing the fol-
lowing remedy is offered for your con-
sideration, which it is thought will
bring about the desired results:
"(A) The existing cutters may be
remedied at a very slight expense by
having the low places in the cutters
leveled up and the center point be-
tween the outlets carried to sufficient
height above grade ii. e., one inch in
sixteen feet with asphaltum and
proper flux.
"(A2) In case of leaking or de-
cayed cutters these should be re-
newed or properly repaired as out
lined below for new cutters.
"CA3) Where leaders are connected
to sanitary sewers, these should be
disconnected and allowed to waste on
the ground or preferably connect
them to storm drains.
"B) Cutters and leaders should be
constructed of some durable or last
ing sheet metal suitable for this eli
mate and all outlets in cutters should
have wire. basket strainers at the
junction with cutters Galvanized
iron, sheet copper, Muntz metal, are
all excellent materials for the con
struction of cutters; Muntz metal is
probably the best for use here.
BIZ All cutters should be supplied
in no case be less than one inch in
sixteen feet.
"(B2) The leaders from the cutters
should never be spaced over sixteen
feet on centers and should be of the
same capacity as the cutters and sup
d piled with basket strainer as above
indicated.
"CB3) The future construction of
false bottom cutters should be prohib-
tied
"(B4) All cutters should be supplied
with overflow pipes at ends and an
giles.
"(B5) Where awnings over side
wallis have cutters these should have
down spouts or leaders spaced as
above indicated, and carried back to
the building then down the side OF
the building and out under the side,
walk to street gutter.
1T is quite necessary in order to
maintain the effect intended by the
architects design to have the tops OF
cutters as near a level plane as pos
sible otherwise they will appear out
of proportions; to meet this demand
and at the same time take care OF
the water reaching the cutters, it is
believed the sixteen feet spacing OF
the leaders will prove satisfactory.
Cutters should be cleaned at reg
ular intervals as may be necessary to
keep them clear and allow free flow
of water. 1t is thought that the
cleaning of cutters is quite as neces
sary and important as garbage remoy
al.
This board has been informed by
the County Attorney that an ordinance
may be passed by the Board of Super
- visors covering any needed regulation
by authority conferred by last legis
lature and it is thought by this board
that if continuous good results are
desired, some such action should be