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Square and round manholes are available in a wide variety of sizes. The boxes are fabricated from 12ga steel and all joints are arc welded. Square manholes 30" and smaller have reinforced 1/4" diamond plate covers. Square manholes 36" and larger, and all round manholes have reinforced 3/8" diamond plat covers. Extra heavy duty lids, and lids with special access are available.
When placing an order, please be prepared to specify the following details -
RED-E-FORM Round Manholes |
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- One piece 12 ga. steel roll formed construction with bottom leveling flange.
- Reinforced lip with 1/2" x 1/2" structural steel bar.
- 4 anchoring clips.
Square Manholes |
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| Size | H=9" | H=18" | ||
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| Price | Wt. | Price | Wt. | |
| 12"x12" | 31.07 | 25 | 43.66 | 36 |
| 18"x18" | 57.18 | 46 | 76.41 | 63 |
| 20"x20" | 68.38 | 55 | 89.74 | 74 |
| 24"x24" | 86.43 | 73 | 110.88 | 96 |
| 24"x30" | 109.39 | 88 | 138.25 | 114 |
| 30"x30" | 131.78 | 106 | 162.51 | 134 |
| 36"x36" | 229.98 | 190 | 272.23 | 224 |
| 48"x48" | 410.21 | 330 | 470.27 | 386 |
Round Manholes |
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Size (Diameter) |
H=9" | H=18" | ||
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| Price | Wt. | Price | Wt. | |
| 12" | 42.34 | 32 | 52.99 | 40 |
| 18" | 64.77 | 47 | 93.66 | 68 |
| 24" | 90.75 | 66 | 116.42 | 87 |
| 30" | 131.6 | 114 | 162.51 | 139 |
| 36" | 200.01 | 157 | 239.21 | 184 |
| 38" | 252.91 | 175 | 300.54 | 208 |
| 42" | 345.92 | 263 | 393.28 | 299 |
| 48" | 434.04 | 330 | 484.94 | 369 |
Manhole Accessories |
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Recessed Handles |
![]() Lock Downs |
![]() Limited Access Key |
![]() Lid Hook |
![]() Double Access Lid |
| Recessed handles | 23.10 |
| Lock-down covers | 57.75 |
| "Water tight covers (includes 1/4"" turn lock-downs)" | 80.85 |
| Limited access key | 11.55 |
| Lid hook | 5.78 |
| Double access | 77.00 |
| Triple access | 115.50 |
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