Poznámky redaktora
Comparative surface area
These conditions are wind velocity, terrain category and luminaire.0
Locality m/s (700 1300m )
III ref. Find out selected bracket suitable for selected pole (coloured columns the Tables Poles and Brackets).
2. Valid 700 a.
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. this case consultation with producer
is required.
Instructions:
1.Terrain category 0
Sea, coastal area exposed the open sea. case the result
2
is equal more than the bracket suitable for the pole. When using luminaires values different those the table more than 10%
the Comparative Surface Area Table should only taken informative.
0 2,
50
POPRAD
BRATISLAVA
TRNAVA
NITRA LUČENEC
ZVOLEN
BANSKÁ BYSTRICA
TRENČÍN
ŽILINA
RUŽOMBEROK
STROPKOV
PREŠOV
KOŠICE
.0
Guide for customer select suitable bracket terms the load capacity pole.
Terrain category II
Area with low vegetation such grass and
isolated (trees, buildings) with separations
of least obstade heights.
Selection brackets „comparative surface area“
Example: Pole STK 60/60/3K12. Terrain category III.
Locality m/s mountain locality 1300m a.
- Divide the value „surface the value „Comparative Surface Area the bracket.0
II
Locality m/s
ref.
3.
The table based calculations where luminaire
Comparative Surface Area has 0,10 surface area exposed
2
to the wind and its weight kg.s.s.
According the Table Brackets the comparative surface area for height pole 0,23
Surface area comparative surface
2
0,5 /0,23 suitable.l.0 l.
is value derived from the load the bracket mounted the pole given conditions.
- Select terrain category from according instructions below. Surface area 0,5
2
0
- Bracket V1T-05-D
Location Bratislava 26m/s
Terrain category suburbs.
Locality m/s
I ref.)
IV ref. Select type pole and bracket.l.
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
