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 1. Proposed trench length (ft.)   (If you know required discharge for trench go to question 6) 2. Catchment area length (ft.) 3. Catchment area width (ft.)     4. Rainfall intensity (inches/hour) 5. Design storm period (years) 6. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 7. Required discharge if known GPM   CFS 8. Longitudinal pavement slope (fall %)     9. Angle of approach to trench (%) Left Right     10. Is trench central to catchment width?      If no, give details: Yes No Left Right 11. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 12. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 13. Outlet type Vertical Horizontal In-line catch basin Catch Basin 14. Outlet position no preference end center 15. Outlet pipe size diameter (if known): 16. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 17. Is there a depth restriction? Yes No If yes, give details 18. Expected grate load class: 19. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative BrickSlot CATCHMENT HYDRAULICS 1. Proposed trench length (ft.)   (If you know required discharge for trench go to question 6) 2. Catchment area length (ft.) 3. Catchment area width (ft.)     4. Rainfall intensity (inches/hour) 5. Design storm period (years) 6. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 7. Required discharge if known GPM   CFS 8. Longitudinal pavement slope (fall %)     9. Angle of approach to trench (%) Left Right     10. Is trench central to catchment width?      If no, give details: Yes No Left Right 11. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 12. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 13. Outlet type Vertical Horizontal In-line catch basin Catch Basin 14. Outlet position no preference end center 15. Outlet pipe size diameter (if known): 16. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 17. Is there a depth restriction? Yes No If yes, give details 18. Expected grate load class: 19. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative BrickSlot CATCHMENT HYDRAULICS 1. Proposed trench length (ft.)   (If you know required discharge for trench go to question 6) 2. Catchment area length (ft.) 3. Catchment area width (ft.)     4. Rainfall intensity (inches/hour) 5. Design storm period (years) 6. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 7. Required discharge if known GPM   CFS 8. Longitudinal pavement slope (fall %)     9. Angle of approach to trench (%) Left Right     10. Is trench central to catchment width?      If no, give details: Yes No Left Right 11. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 12. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 13. Outlet type Vertical Horizontal In-line catch basin Catch Basin 14. Outlet position no preference end center 15. Outlet pipe size diameter (if known): 16. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 17. Is there a depth restriction? Yes No If yes, give details 18. Expected grate load class: 19. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative BrickSlot CATCHMENT HYDRAULICS 1. Proposed trench length (ft.)   (If you know required discharge for trench go to question 6) 2. Catchment area length (ft.) 3. Catchment area width (ft.)     4. Rainfall intensity (inches/hour) 5. Design storm period (years) 6. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 7. Required discharge if known GPM   CFS 8. Longitudinal pavement slope (fall %)     9. Angle of approach to trench (%) Left Right     10. Is trench central to catchment width?      If no, give details: Yes No Left Right 11. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 12. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 13. Outlet type Vertical Horizontal In-line catch basin Catch Basin 14. Outlet position no preference end center 15. Outlet pipe size diameter (if known): 16. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 17. Is there a depth restriction? Yes No If yes, give details 18. Expected grate load class: 19. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative BrickSlot CATCHMENT HYDRAULICS 1. Proposed trench length (ft.)   (If you know required discharge for trench go to question 6) 2. Catchment area length (ft.) 3. Catchment area width (ft.)     4. Rainfall intensity (inches/hour) 5. Design storm period (years) 6. Pavement material Select... Concrete Asphalt Pavers Other  if other, give details: 7. Required discharge if known GPM   CFS 8. Longitudinal pavement slope (fall %)     9. Angle of approach to trench (%) Left Right     10. Is trench central to catchment width?      If no, give details: Yes No Left Right 11. Additional discharge into trench, such as       downspouts, machinery etc.       Position along trench from upstream end GPM   CFS 12. Is temporary ponding allowed? Definitely not Minimal     TRENCH DRAIN INFORMATION 13. Outlet type Vertical Horizontal In-line catch basin Catch Basin 14. Outlet position no preference end center 15. Outlet pipe size diameter (if known): 16. Is the trench drain run same length as        catchment area length? Yes No If no, give details A  B 17. Is there a depth restriction? Yes No If yes, give details 18. Expected grate load class: 19. Preferred grate style Please select Slotted Perforated Longitudinal (ADA) Decorative BrickSlot

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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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