Are you looking for more cost-effective alternative to a concrete trapping catch basin?

Look no further… Haviland’s Water Quality Unit (WQU) is just that. Our WQU is able to capture suspended solids, oil, grease, floatable trash, and sediment from storm water runoff before discharge.

Cost Savings Benefits:

  • Can Be Installed With Smaller Equipment Than Concrete
  • Can Be Installed Quicker Than Concrete
  • Shorter Lead Time
  • Less Excavation Depth

Product Features & Benefits:

  • Compatible with Haviland Smooth Flow Pipe
  • Durability
  • Lightweight
  • Access Risers for Ease of Maintenance
  • Linear Design for Less Excavation Depth
  • Weir Plate Traps:
  • 80% or More Suspended Solids Removed
  • 80% of Hydrocarbons Removed
  • Floatable Trash Removed

 

Product NumberDiameterLengthInlet SizeOutlet SizeTreated Flow Rate*Sed. VolumeFloatable VolumeSieve Size
SWQU 36x20-A
SWQU 36x20-B
36in. | 900mm
36in. | 900mm
20ft. | 6m.
20ft. | 6m.
10in. | 250mm.
10in. | 250mm.
10in. | 250mm.
10in. | 250mm.
1.5cfs | 43 l/s
.075 | 21 l/s
64 ft³. | 2m³
64 ft³. | 2m³
29 ft³ | 1m³
29 ft³ | 1m³
140
200
SWQU 36x40-A
SWQU 36x40-B
36in. | 900mm
36in. | 900mm
40ft. | 12m.
40ft. | 12m.
10in. | 250mm.
10in. | 250mm.
10in. | 250mm.
10in. | 250mm.
3.1cfs. | 89 l/s
1.5cfs | 43 l/s
135ft³ | 4m³
135ft³ | 4m³
62ft³ | 2m³
62ft³ | 2m³
140
200
SWQU 42x20-A
SWQU 42x20-B
42in. | 1050mm
42in. | 1050mm
20ft. | 6m.
20ft. | 6m.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
1.7cfs. | 49 l/s
0.8cfs | 23 l/s
86 ft³. | 2m³
86 ft³. | 2m³
40 ft³. | 1m³
40 ft³. | 1m³
140
200
SWQU 42x40-A
SWQU 42x40-B
42in. | 1050mm
42in. | 1050mm
40ft. | 12m.
40ft. | 12m.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
3.7cfs. | 106 l/s
1.8cfs | 51 l/s
182 ft³. | 5m³
182 ft³. | 5m³
84 ft³. | 2m³
84 ft³. | 2m³
140
200
SWQU 48x20-A
SWQU 48x20-B
48in. | 1200mm
48in. | 1200mm
20ft. | 6m.
20ft. | 6m.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
2.3cfs. | 66 l/s
1.1cfs | 31 l/s
121 ft³. | 3m³
121 ft³. | 3m³
60 ft³. | 2m³
60 ft³. | 2m³
140
200
SWQU 48x40-A
SWQU 48x40-B
48in. | 1200mm
48in. | 1200mm
40ft. | 12m.
40ft. | 12m.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
12in. | 300mm.
4.8cfs. | 137 l/s
2.4cfs | 69 l/s
255cfs | 7 l/s
255cfs | 7 l/s
128 ft³. | 4m³
128 ft³. | 4m³
140
200
SWQU 60x20-A
SWQU 60x20-B
60in. | 1500mm
60in. | 1500mm
20ft. | 6m.
20ft. | 6m.
15in. | 375mm.
15in. | 375mm.
15in. | 375mm.
15in. | 375mm.
2.9cfs. | 83 l/s
1.4cfs | 89 l/s
186cfs | 5 l/s
186cfs | 5 l/s
88 ft³. | 2m³
88 ft³. | 2m³
140
200
SWQU 60x40-A
SWQU 60x40-B
60in. | 1500mm
60in. | 1500mm
40ft. | 12m.
40ft. | 12m.
15in. | 375mm.
15in. | 375mm.
15in. | 375mm.
15in. | 375mm.
6.2cfs. | 177 l/s
3.1cfs | 89 l/s
390cfs | 11 l/s
390cfs | 11 l/s
186 ft³. | 5m³
186 ft³. | 5m³
140
200

 

HydroCAD-10 provides full support for Haviland Smooth Flow HDPE pipe.  This partnership allows Haviland products to be easily used within any HydroCAD model for stormwater conveyance, storage, detention, or infiltration.  HydroCAD includes complete Haviland storage definitions, plus an interactive chamber wizard for easy layout, pricing, and modeling of underground storage systems. CLICK HERE for details.

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