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CPM Group Ltd offer a range of precast concrete road gullies with 150mm trapped outlets.
Gullies are produced monolithically on fully automated machines, providing a strong robust unit, needing no concrete surround and not subject to floatation.
For quick and efficient offloading, an attachment is available which can be quickly fitted to a standard forklift truck, or suitable mechanical offloader. The attachment enables concrete gullies to be handled and offloaded in pairs.
Precast concrete road gullies can be supplied with adaptors for connection to clay or plastic pipes.
Gully weights and dimensions
Nominal
I/Dia
(mm)
A |
Nominal Wall
Thickness
(mm) |
Width
(mm)
B |
Effective
Depth
(mm)
C |
Capacity
(litres) |
Weight
per Unit
(kg) |
Outlet I/Dia
(mm)
D |
Approximate Measurement (mm)
E |
No. per Full
23.5 Tonne Load |
300* |
35 |
600 |
450 |
14 |
120 |
150 |
250 |
195 |
300* |
35 |
600 |
600 |
23 |
151 |
150 |
250 |
155 |
375 |
55 |
698 |
750 |
50 |
188 |
150 |
250 |
125 |
375 |
55 |
698 |
900 |
69 |
216 |
150 |
250 |
108 |
450 |
55 |
780 |
750 |
70 |
223 |
150 |
250 |
105 |
450 |
55 |
780 |
900 |
95 |
255 |
150 |
250 |
92 |
450 |
55 |
780 |
1050 |
120 |
287 |
150 |
250 |
81 |
*Not to BS 5911-6:2004
Gully cover slabs
Gully cover slabs are available in both square and ‘U’ shaped, with handling recesses for lifting brackets.
Slab |
Dims |
Kg’s |
Square |
750 x 650 |
80 |
U |
585 x 650 |
50 |

The gully adaptor is:
A versatile elastomeric sealing adaptor ring manufactured in EPDM rubber to BS 2494 Type D.
Tolerant of a range of pipe diameters and profiles.
For use only with CPM Group kitemarked concrete gullies.
For pipes not included in table, the following criteria should be used for selection of correct gully adaptor.
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No. 1501
No. 1502
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Spigot diameter
Spigot diameter |
160mm to 180mm
175mm to 190mm |
To suit pipe |
Type of pipe |
Number of gully adaptor required to suit type of pipe |
DN |
1501 |
1502 |
160 |
uPVC pipe to BS4660 |
plastic |
l |
|
150 |
aquapipe - corrugated |
plastic |
l |
|
150 |
ultrarib |
plastic |
l |
|
150 |
twin wall PVC - corrugated |
plastic |
l |
|
150 |
supersleeve |
clay |
l |
|
150 |
densleeve |
clay |
|
l |
150 |
hepseal |
clay |
|
l |
Procedure for installation and selection of gully adaptor
| 1. |
Ensure the gully outlet socket is clean. Any hard points should be removed |
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| 2. |
Fit adaptor into socket. The adaptor seals are designed slightly larger than the socket to ensure positive location and an effective seal. Care should be taken to even out the seal to remove folds, although if left, this will occur naturally. |
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| 3. |
Place pipe in adaptor and push home. |
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| 4. |
Smooth plastic pipe – requires no lubricant. |
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| 4i) |
Supersleeve pipe – can be jointed dry with care, but lubricant may be used to assist jointing |
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| 4 ii) |
Densleeve/Hepseal/Corrugated pipes - lubricant such as water/soap, silicone etc. is required for jointing purposes. In some instances for corrugated pipes it may be advisable to place the pipe in the adaptor prior to its location in the gully outlet |
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