Page 41 - Puret Sound Energy Hand Book 1218

Chapter 3

Figure 19 Unguyed service masts

MAST HEIGHT BELOW 26" MAST HEIGHT BELOW 26"
METER SURFACE MOUNTED, U-BOLTS SECURE MAST METER FLUSH MOUNTED
WEATHERHEAD
SERVICE DROP
WEATHERHEAD
SERVICE DROP
SERVICE BRACKET
SERVICE BRACKET
FLASHING
FLASHING
18" MIN
18" MIN 24" MAX *
24" MAX * FLASHING IN COURSES
OF SHINGLES
MINIMUM 2" x 6" INSTALLED
SOLIDLY BETWEEN RAFTERS
OR STUDS WITH HOLE
BORED FOR SNUG FIT
2" x 6" INSTALLED
SOLIDLY BETWEEN
RAFTERS AND AGAINST
ROOF SHEATHING DETAIL RIGID STEEL
BLOCKING BETWEEN
MAST AND BUILDING STRUCTURAL
RIGID STEEL FRAMING AND
CONDUIT 5/16" U-BOLTS FINISH MATERIALS
2" x 6" BACKING FLUSH
STRUCTURAL SHIM METER METER
FRAMING BASE/SOCKET SOCKET
AND FINISH AND FASTEN WITH
MATERIALS SCREWS
STUD GROUND
GROUND

* ADDITIONAL SUPPORT GUYS REQUIRED FOR ATTACHMENTS GREATER
THAN 24" ABOVE ROOFLINE OR IF SERVICE LINE EXCEEDS 100' IN LENGTH

MAST HEIGHT BELOW 26"
METER SURFACE MOUNTED, GALVANIZED LAG BOLTS SECURE MAST

WEATHERHEAD
SERVICE DROP
SERVICE BRACKET
FLASHING

18" MIN
FRONT VIEW 24" MAX *

GALVANIZED LAG-BOLT
INTO FRAMING MEMBER

HEAVY-WALL
STRUT-TYPE
CHANNEL MINIMUM 2' x 6" BETWEEN
HEAVY-WALL RAFTERS WITH HOLE
STRUT-TYPE BORED FOR SNUG FIT
CHANNEL
RIGID STEEL CONDUIT

Electric Service Handbook 2017 — Single-Family Residential Projects 32