Drawings for Sewer and Water - City of London

NoL__.II. ",,
ALL DIMENSIONS ARE IN mm UNLESS SHOWN OTHERWISE.
FLANGED FITTINGS ARE REQUIRED FOR ALL METERS.
MINIMUM SIZE OF VALVING & BYPASS PIPING TO BE ’
EQUAL TO METER SIZE. ALL VALVES, PIPING, FITTINGS
& SUPPORTS TO BE SUPPLIED & AND INSTALLED. BY OWNER
75" 305 431
,
100 356 508
150 458 610
200 508 NA
COMPOUND
B ’B.....
~ E F
$~A~DAR~!~IREFLOWI ,
750 150
229 683 1500
I000 200
300
254 796 2000 400
ALL CHECK VALVES, BACKFLOW PREVENTION, PRESSURE ’. ’
REDUCINO VALVES~ ETC. RUST BE .INSTALLED AFTER THE
BY-PASS W, HEN F IREFLOWS ARE METERED.
¯
" BY-PASS VALVE " .
: IN SHUT POSITION ~ ALL METERS ARE TO BE INSTALLED HORIZONTALLY UNLESS
(SEALED BY CITY}
APPROVED OTHERWI.SE BY ENOINEER,ING. " x ’ " ’
’
INSTALLATION¯ INDICATES THE MIN. SPACE REQUIREMENTS:
’
~~
IN A MECHANICAL OR METERED ROOM. MIN. CLEARANCE FROM - ~,~ ~==~. ’ ’
t
VI~TAULIC COUPLING~ FLOOR
OR fIN I-FLANGE CONNECT I ON -
CITY OF LONDON STANDARD DRAWING
’ TYPICAL TURBINE’ WATER .METER INSTALLATION" "
FOR 75mm TO 200mm
DWG:
W-CS-30 . SHm.
DATE ,, APPROVED BY
2 1999 01 30 CITY ENGINEER: "
NTS