Manitoba/Saskatchewan/NW Ontario
Manhole Risers & Adjusting Rings
DIAMETER LENGTH ASTM DESCRIPTION MASS
mm
m
Designation
 
kg
1200
1.83
C-478
Manhole riser section
2310
1200
1.22
C-478
Manhole riser section
1640
1200
0.91
C-478
Manhole riser section
1240
1200
0.61
C-478
Manhole riser section
810
1200
0.3
C-478
Manhole riser section
410
900
1.83
C-478
Manhole riser section
1498
900
1.22
C-478
Manhole riser section
984
900
0.91
C-478
Manhole riser section
746
900
0.61
C-478
Manhole riser section
553
900
0.46
C-478
Manhole riser section
390
900
0.3
C-478
Manhole riser section
285
900
0.15
C-478
Manhole riser section
142
750
1.83
C-478
Manhole riser section
1082
750
1.22
C-478
Manhole riser section
689
750
0.91
C-478
Manhole riser section
535
750
0.61
C-478
Manhole riser section
362
750
0.46
C-478
Manhole riser section
283
750
0.3
C-478
Manhole riser section
183
750
0.15
C-478
Manhole riser section
88


DIAMETER LENGTH ASTM DESCRIPTION MASS
mm
m
Designation
 
kg
750
0.15
C-478
Adjusting ring
100
750
0.08
C-478
Adjusting ring
51

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