The following information is required to provide a recommendation for a simple run of trench drainage. On receipt of this form, ACO will provide a recommendation with hydraulic calculations where necessary. For more complex layout please contact ACO at (800) 543-4764.

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CATCHMENT HYDRAULICS (If you know required discharge for trench go to question 6) 1. Catchment area length (ft.) 2. Catchment area width (ft.)     3. Rainfall intensity (inches/hour) 4. Design storm period (years) 5. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 6. Required discharge if known GPM   CFS 7. Longitudinal pavement slope (fall %)     8. Angle of approach to trench (%) Left Right     9. Is trench central to catchment width?      If no, give details: Yes No Left Right 10. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 11. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 12. Outlet type Vertical Horizontal In-line catch basin Catch Basin 13. Outlet position no preference end center 14. Outlet pipe size diameter (if known): 15. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 16. Is there a depth restriction? Yes No If yes, give details 17. Expected grate load class: 18. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative CATCHMENT HYDRAULICS (If you know required discharge for trench go to question 6) 1. Catchment area length (ft.) 2. Catchment area width (ft.)     3. Rainfall intensity (inches/hour) 4. Design storm period (years) 5. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 6. Required discharge if known GPM   CFS 7. Longitudinal pavement slope (fall %)     8. Angle of approach to trench (%) Left Right     9. Is trench central to catchment width?      If no, give details: Yes No Left Right 10. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 11. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 12. Outlet type Vertical Horizontal In-line catch basin Catch Basin 13. Outlet position no preference end center 14. Outlet pipe size diameter (if known): 15. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 16. Is there a depth restriction? Yes No If yes, give details 17. Expected grate load class: 18. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative CATCHMENT HYDRAULICS (If you know required discharge for trench go to question 6) 1. Catchment area length (ft.) 2. Catchment area width (ft.)     3. Rainfall intensity (inches/hour) 4. Design storm period (years) 5. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 6. Required discharge if known GPM   CFS 7. Longitudinal pavement slope (fall %)     8. Angle of approach to trench (%) Left Right     9. Is trench central to catchment width?      If no, give details: Yes No Left Right 10. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 11. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 12. Outlet type Vertical Horizontal In-line catch basin Catch Basin 13. Outlet position no preference end center 14. Outlet pipe size diameter (if known): 15. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 16. Is there a depth restriction? Yes No If yes, give details 17. Expected grate load class: 18. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative CATCHMENT HYDRAULICS (If you know required discharge for trench go to question 6) 1. Catchment area length (ft.) 2. Catchment area width (ft.)     3. Rainfall intensity (inches/hour) 4. Design storm period (years) 5. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 6. Required discharge if known GPM   CFS 7. Longitudinal pavement slope (fall %)     8. Angle of approach to trench (%) Left Right     9. Is trench central to catchment width?      If no, give details: Yes No Left Right 10. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 11. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 12. Outlet type Vertical Horizontal In-line catch basin Catch Basin 13. Outlet position no preference end center 14. Outlet pipe size diameter (if known): 15. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 16. Is there a depth restriction? Yes No If yes, give details 17. Expected grate load class: 18. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative CATCHMENT HYDRAULICS (If you know required discharge for trench go to question 6) 1. Catchment area length (ft.) 2. Catchment area width (ft.)     3. Rainfall intensity (inches/hour) 4. Design storm period (years) 5. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 6. Required discharge if known GPM   CFS 7. Longitudinal pavement slope (fall %)     8. Angle of approach to trench (%) Left Right     9. Is trench central to catchment width?      If no, give details: Yes No Left Right 10. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 11. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 12. Outlet type Vertical Horizontal In-line catch basin Catch Basin 13. Outlet position no preference end center 14. Outlet pipe size diameter (if known): 15. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 16. Is there a depth restriction? Yes No If yes, give details 17. Expected grate load class: 18. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative

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FEEDBACK REQUIRED FROM ACO

1. Trench hydraulic flow information
2. Grating intake performace
3. Layout schedule and parts list

Other Information:

All information to be provided by ACO Polymer Product, Inc. is provided in good faith with the belief that the information used is correct and that any assumptions made are valid. It is the specifier’s responsibility to check and confirm that any information provided is acceptable and suitable for use.

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