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When using luminaires values different those the table more than 10%
the Comparative Surface Area Table should only taken informative.
Comparative surface area
These conditions are wind velocity, terrain category and luminaire.
Terrain category IV
area which least 15% the
surface covered with buildings and
. State basic wind velocity compliance with :
STN 1991-1-4
- Select locality according wind velocity map Slovakia. Terrain category III.
Instructions:
1.
2. case the result
2
is equal more than the bracket suitable for the pole.0
Locality m/s (700 1300m )
III ref.)
IV ref.
3.l.
The table based calculations where luminaire
Comparative Surface Area has 0,10 surface area exposed
2
to the wind and its weight kg.Terrain category 0
Sea, coastal area exposed the open sea.
Terrain category II
Area with low vegetation such grass and
isolated (trees, buildings) with separations
of least obstade heights.0
II
Locality m/s
ref.
their average height exceeds 15m
Terrain category III
Area with regular cover vegetation
or buildings with isolated obstacles
withseparations maximum 20
obstacle heights such villages,
suburban terrain permanent forest )
Terrain category I
Lakes area with negligible vegetation
and without obstacles.
According the Table Brackets the comparative surface area for height pole 0,23
Surface area comparative surface
2
0,5 /0,23 suitable. Select type pole and bracket.
Selection brackets „comparative surface area“
Example: Pole STK 60/60/3K12.s.0 l.
- Select terrain category from according instructions below.
is value derived from the load the bracket mounted the pole given conditions.
Locality m/s
I ref. Valid 700 a. Find out selected bracket suitable for selected pole (coloured columns the Tables Poles and Brackets).
0 2,
50
POPRAD
BRATISLAVA
TRNAVA
NITRA LUČENEC
ZVOLEN
BANSKÁ BYSTRICA
TRENČÍN
ŽILINA
RUŽOMBEROK
STROPKOV
PREŠOV
KOŠICE
. Surface area 0,5
2
0
- Bracket V1T-05-D
Location Bratislava 26m/s
Terrain category suburbs. this case consultation with producer
is required.l.0
Guide for customer select suitable bracket terms the load capacity pole.
Locality m/s mountain locality 1300m a.
- Divide the value „surface the value „Comparative Surface Area the bracket.s
