Grated Pits
For use where an existing pavement has been finished with undulating falls for point drainage, or for the collection of concentrated surface water runoff.
ACO’s Grated Pits are designed for surface water management and are lightweight, easy to transport and handle and are available in a wide range of sizes.
Select from a choice of grates in 3 styles including Heelsafe® Anti-Slip
Grated pits - features & benefits
Grated pits - product details
| Type | Standard Part No. |
Locking Part No. |
Nom. Wheel Load (kg) |
Slot Size (mm) |
Intake Area (mm2) |
Weight (kg) |
Spec Info |
 |
|---|---|---|---|---|---|---|---|---|
| Type 33 | 141808 | 142073 | 330 | 20 x 6 | 42,540 | 3.1 |  |
 |
| Type 45 | 141809 | 142074 | 330 | 20 x 6 | 96,460 | 8.5 | |
|
| Type 66 | 141810 | 142075 | 330 | 20 x 6 | 175,680 | 13.7 | |
|
| Type 66H | 141810 | 142075 | 330 | 20 x 6 | 175,680 | 13.7 | |
|
| Type 95 | 141811 | 142076 | 330 | 20 x 6 | 198,000 | 15.6 | |
|
| Type 96 | 141812 | 142077 | 330 | 20 x 6 | 269,175 | 24.7 | |
|
| Type 99 | 141813 | 142078 | 330 | 20 x 6 | 400,950 | 34.6 | |
Notes:
1. Locking grate includes bar and brackets
2. Stainless steel grade 304
3. Meets ASME A112.6.3 Section 7.12 (American high heel standard)
| Type | Standard Part No. |
Locking Part No. |
Nom. Wheel Load (kg) |
Slot Size (mm) |
Intake Area (mm2) |
Weight (kg) |
Spec Info |
 |
|---|---|---|---|---|---|---|---|---|
| Type 33 | 90038 | 78678 | 2670 | 95 x 7.5 | 50,760 | 5.9 | |
 Wheelchair and walking cane compliant when the dominant direction of travel is perpendicular to the slot length. |
| Type 45 | 90045 | 78679 | 2670 | 95 x 7.5 | 116,875 | 27.8 | |
|
| Type 66 | 90054 | 78680 | 2670 | 95 x 7.5 | 209,510 | 48.0 | |
|
| Type 66H | 90054 | 78680 | 2670 | 95 x 7.5 | 209,510 | 48.0 | |
|
| Type 95 | 90067 | 78681 | 2670 | 95 x 7.5 | 233,750 | 56.0 | |
|
| Type 96 | 90076 | 78683 | 2670 | 95 x 7.5 | 326,895 | 73.4 | |
|
| Type 992 | 90083 | 78684 | 2670 | 95 x 7.5 | 467,500 | 112.0 | |
Notes:
1. Locking grate includes bar and brackets
2. Type 99 grate comprised of 2 parts
3. Meets ASME A112.6.3 Section 7.12 (American high heel standard)
| Type | Standard Part No. |
Locking Part No. |
Nom. Wheel Load (kg) |
Slot Size (mm) |
Intake Area (mm2) |
Weight (kg) |
Spec Info |
|
|---|---|---|---|---|---|---|---|---|
| Type 33 | 78665 | 78677 | 2670 | 95 x 25 | 70,500 | 3.4 | |
 |
| Type 45 | 78682 | 78699 | 2670 | 95 x 35 | 170,000 | 9.8 | |
|
| Type 66 | 78710 | 78724 | 2670 | 95 x 35 | 307,090 | 16.1 | |
|
| Type 66H | 78710 | 78724 | 2670 | 95 x 35 | 307,090 | 16.1 | |
|
| Type 95 | 78731 | 78725 | 2670 | 95 x 35 | 342,125 | 18.5 | |
|
| Type 96 | 78748 | 78726 | 2670 | 95 x 25 | 456,475 | 30.0 | |
|
| Type 99 | 78755 | 78727 | 2670 | 95 x 35 | 700,800 | 52.5 | |
|
| Type 45 | 77624 | 77639 | 5000 | 95 x 35 | 170,000 | 13.9 | |
|
| Type 66 | 77645 | 77657 | 5000 | 95 x 35 | 307,090 | 24.3 | |
|
| Type 66H | 77645 | 77657 | 5000 | 95 x 35 | 307,090 | 24.3 | |
|
| Type 95 | 77662 | 77658 | 5000 | 95 x 35 | 342,125 | 27.9 | |
|
| Type 96 | 74478 | 77659 | 5000 | 95 x 25 | 456,475 | 36.0 | |
|
| Type 99 | 77683 | 77660 | 5000 | 95 x 25 | 683,280 | 66.7 | |
Notes:
1. Locking grate includes bar and brackets
| Drain Pit Data | Part No. | Nominal Dimensions l x w x d (mm) |
Weight (kg) |
Drawing |
Drawing DWG |
Spec Info |
|---|---|---|---|---|---|---|
| Type 33 Pit | 77003 | 300 x 300 x 450 | 19 | |
 |
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| Type 45 Pit | 77024 | 450 x 450 x 600 | 45 | |
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| Type 66 Pit | 77076 | 600 x 600 x 600 | 62 | |
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| Type 66H Pit | 77010 | 600 x 600 x 900 | 116 | |
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| Type 95 Pit | 77055 | 900 x 500 x 600 | 84 | |
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| Type 96 Pit | 74432 | 900 x 600 x 600 | 95 | |
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| Type 99 Pit | 76999 | 900 x 900 x 500 | 147 | |
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| Riser Data (300mm deep) | Part No. | Weight (kg) |
Drawing |
Drawing DWG |
Spec Info |
|---|---|---|---|---|---|
| Type 33 Riser | 77031 | 15 | |
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| Type 45 Riser | 77048 | 26 | |
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| Type 66 Riser | 77062 | 37 | |
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| Type 66H Riser | 77062 | 37 | |
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| Type 95 Riser | 77093 | 45 | |
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| Type 96 Riser | 74447 | 55 | |
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| Type 99 Riser | 77089 | 67 | |
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| System | Nominal wheel load |
Grass haunch to top |
Pavers paver to edge |
Pavers haunch to top |
Asphalt haunch to top |
Concrete haunch to top |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Pit with Stainless 5 Star Heelsafe® Anti-Slip grate | 330kg | |
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| Pit with Galvanised Heelguard grate or Galvanised Transverse grate | 2670kg | |
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| Pit with Galvanised Transverse grate | 5000kg | |
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