Poznámky redaktora
0 2,
50
POPRAD
BRATISLAVA
TRNAVA
NITRA LUČENEC
ZVOLEN
BANSKÁ BYSTRICA
TRENČÍN
ŽILINA
RUŽOMBEROK
STROPKOV
PREŠOV
KOŠICE
.
Selection brackets „comparative surface area“
Example: Pole STK 60/60/3K12.s.
Comparative surface area
These conditions are wind velocity, terrain category and luminaire.
- Divide the value „surface the value „Comparative Surface Area the bracket. Find out selected bracket suitable for selected pole (coloured columns the Tables Poles and Brackets).Terrain category 0
Sea, coastal area exposed the open sea.
Terrain category IV
area which least 15% the
surface covered with buildings and
.
Instructions:
1. State basic wind velocity compliance with :
STN 1991-1-4
- Select locality according wind velocity map Slovakia. Terrain category III.s. Valid 700 a.
According the Table Brackets the comparative surface area for height pole 0,23
Surface area comparative surface
2
0,5 /0,23 suitable.
The table based calculations where luminaire
Comparative Surface Area has 0,10 surface area exposed
2
to the wind and its weight kg.l.0
II
Locality m/s
ref. case the result
2
is equal more than the bracket suitable for the pole.
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.)
IV ref.
3. this case consultation with producer
is required. Surface area 0,5
2
0
- Bracket V1T-05-D
Location Bratislava 26m/s
Terrain category suburbs.
Locality m/s
I ref.
Locality m/s mountain locality 1300m a.0
Guide for customer select suitable bracket terms the load capacity pole.
is value derived from the load the bracket mounted the pole given conditions.0
Locality m/s (700 1300m )
III ref.
Terrain category II
Area with low vegetation such grass and
isolated (trees, buildings) with separations
of least obstade heights.l. Select type pole and bracket.
- Select terrain category from according instructions below.0 l. When using luminaires values different those the table more than 10%
the Comparative Surface Area Table should only taken informative.
2
