Page 42 - Puret Sound Energy Hand Book 1218

Chapter 3

Figure 20 Guyed service masts

SERVICE BRACKET
SERVICE DROP WEATHERHEAD
NO. 6 COPPERWELD,
AIRCRAFT CABLE
OR EQUIVALENT
3/4" RIGID GALVANIZED
CONDUIT OR EQUIVALENT ENDS COLLARS,
45˚ FLATTENED AND DRILLED CYCLONE
MIN FENCE
CLAMP OR
18" MIN SHARP BEND; NO RADIUS EQUIVALENT
(SEE DETAIL 2) 45˚ WITH 3/8" MIN
MIN BOLT SIZE
SEE
DETAIL 1
FLASHING

STRUCTURAL FRAMING
AND FINISH MATERIALS
5/16" U-BOLT BLOCKING BETWEEN
2" X 4" BACKING MAST AND BUILDING 5/16" U-BOLT RIGID STEEL
2" X 4" BACKING CONDUIT
RIGID STEEL
CONDUIT
STRUCTURAL
FRAMING
AND FINISH
MATERIALS

GROUND
GROUND

DETAIL 1 DETAIL 2

GALVANIZED
THIMBLE AND CABLE
CLAMP COLLARS, CYCLONE FENCE
CLAMP OR EQUAL WITH
FLASHING OR MASTIC 3/8" MIN BOLT SIZE
METHOD OF GUYING
GALVANIZED BOLT;
ATTACHMENT EYE-BOLT OPTIONAL
SEE DETAIL 1
PULL
60˚ - 90˚
GUY WIRES PULL
60˚ - 90˚
APART

Electric Service Handbook 2017 — Single-Family Residential Projects 33