2. What is a Grading & Drainage Plan?
The purpose of a "GRADING & DRAINAGE PLAN" is to direct the movement of the soil and water; thus protecting infrastructure from flooding while accommodating ADA requirements.

3. The “Hydro-illogical” Cycle
FLOOD
PANIC
PLAN
PROCRASTINATION

4. Why Grading and Drainage Engineering?
Natural flooding is documented for City of Rio Rancho……Floods of 2006 most recent
Protect human life, housing, utilities, infrastructure and large-scale economic development
Recommended drainage infrastructure designed to convey up to and including 100 year storm – 2.90 inches in 24 hours

5. Why do we need them?
Required by City of Rio Rancho Ordinances and Policies
Required by SSCAFCA Regulations and Policies
City of Rio Rancho DPM - Chapter II.2 Drainage, Flood Control and Erosion Control
Grading and Drainage Plan Checklist – of CORR DPM

6. City of Rio Rancho Design Process Manual
I. GENERAL INFORMATION:
1. Professional Engineer's stamp with signature and date.
2. Drafting Standards: (Reference City of Rio Rancho Standards)
A. North Arrow
B. Scales - recommended engineer scales:
(1) 1" = 20' for sites less than 5 acres
(2) 1" = 50' for sites 5 acres or more
C. Legend - see City of Rio Rancho D.P.M. Manual, Volume 2, for recommended standard symbols
D. Plan drawings size: 24" x 36"
E. Notes defining property line, asphalt paving, sidewalks, planting areas, ponding areas, project limits, and all other areas whose definition would increase clarity
3. Vicinity Map
4. Benchmark - location, description and elevation
A. Control survey vertical datum
B. Permanently marked temporary benchmark located on or very near site
5. Flood Insurance Rate Map (FIRM)
6. Legal Description

7. Why do we need them?
City of Rio Rancho DPM - Chapter II.2 Drainage, Flood Control and Erosion Control
Grading and Drainage Plan Checklist – of CORR DPM

8. Example Grading & Drainage Plans
Large Commercial Grading and Drainage Plan >5 Acres
May Require Separate Drainage Report

9. Example Grading & Drainage Plans
Small Commercial Grading and Drainage Plan >5 Acres

10. Example Grading & Drainage Plans
Single Family Residence (SFR) Grading and Drainage Plan

11. Erosion Control
Erosion Control is a must.
A Plan will prevent

12. Erosion Control
Large Commercial Erosion Control.

13. What do they Cost?
Cost for a Grading & Drainage (G&D) Plan vary and is based on project size, complexity, and location.
Typical Single Family Residential (SFR) G&D may range from $1,500 to $3,500
Typical Commercial Development < 5 Acres may range from $5,000 to $12,000
Typical Commercial Development >5 Acres may range from $8,000 to $25,000

14. Questions ?
Thank you, if you have any future questions or assistance you may contact us. Steve Salazar, PE: Mario Juarez-Infante, PE: