Northern Alberta
Prebenched Monolithic Manhole Bases
1200 mm
Type 50 Cement
PIPE
DIAMETER
BASE
HEIGHT
FROM INVERT
CONNECTOR
TYPE
BASE
WEIGHT
mm
m
kg
each
100 –
200 mm
250
300
375
450
525
600
675
*750
0.50
0.50
0.80
0.80
0.80
1.10
1.10
1.50
1.50
A
A/B
A/B
A/B
B
B
B
B
B
1550
1550
2200
2200
2200
2950
2950
3800
3800
Notes:
*Available for straight
through configurations only in 1200 mm. (concrete
pipe only)
Prebenched bases which require connectors for
750 mm and larger pipe at various angles are available
in 1500 mm and larger barrel diameters. Flexible
pipe herein excludes corrugated metal pipe.
Manhole Connections
A (FINTIGHT)
B (FLEXIBLE)
Watertight dependable- trouble free service life
-Seals are cast into manhole to become an integral
part of the base section.
-Seals provide the same watertight coupling for
pipe-to-manhole connections as pipe joints to
sewer line.
-Infiltration/exfiltration proof seals compensate
for any settlement between pipe
and manhole.
-Cannot slip, twist or dislodge when pipe is inserted.
-Pipe cutting service available for tie-in stubs.
