| 1. |
Water Notes: (1) Include note: “All construction and material shall be in accordance with the latest edition of Uniform Design and Construction Standards for Water Distribution Systems (UDACS) except for projects serviced by the Virgin Valley Water District;” (2) include note on flushing, disinfection of water lines, and water sampling. |
| 2. |
Sewer Notes: Include note: “All construction and materials shall be in accordance with the latest edition of the Design and Construction Standards for Waste Water Collection Systems for Southern Nevada.” |
| 3. |
Lot count on the Improvement Plans matches the lot count on the Final Map. |
| 4. |
Provide/show utility easement(s) on the Improvement Plans that agree(s) with those shown on the Final Map. |
| 5. |
Provide/show connection of proposed sewer main(s) to existing sewer main(s) on the Tentative Map and Improvement Plans. |
| 6. |
Provide/show point of connection of proposed water main(s) to existing water main on the Tentative Map. |
| 7. |
Provide/show point of connection of proposed sewer lateral(s) to lots or services to condo units and commercial buildings. |
| 8. |
Sewer lateral less than 8" diameter shall not be connected into a manhole or manhole stub. |
| 9. |
Provide/show a Residential Sewer Backwater Valve for lots where the rim of the next upstream sewer manhole is at a higher elevation than the finished floor of any lot (see grading plan). |
| 10. |
Provide/show all water lateral(s) to lots or services to condo units and commercial buildings. |
| 11. |
Provide/show sewer laterals or sewer stub outs to future lots if the proposed main extends into a different phase. |
| 12. |
Provide/show the blow-off assembly or fire hydrant at the end of water mains. |
| 13. |
Provide/show either 10' minimum horizontal separation between any water main 6" diameter or larger and sewer mains, or 5' minimum horizontal separation and 18" minimum vertical separation and pipe installation in separate trenches. (Should refer to UDACS for alternate installations/standards that must be detailed on plans.) |
| 14. |
Provide/show 10' minimum horizontal separation between the water main 6" diameter or larger and any sewer service (lateral). |
| 15. |
Provide/show 10' minimum horizontal separation between any fire hydrant and sewer service (lateral) or 5' minimum horizontal separation and 18" minimum vertical separation and laid in separate trenches. |
| 16. |
Provide/show 10' minimum horizontal separation between any fire hydrant and sewer main or 5' minimum horizontal separation and 18" minimum vertical separation and laid in separate trenches. |
| 17. |
Provide/show 4' minimum horizontal separation between any water service (lateral) (< 6" φ) and any size sewer pipe or sewer manhole. |
| 18. |
Label/show to scale perpendicular water lines on profile that cross sewer or storm sewer lines. |
| 19. |
Vertical separation of storm sewer (drain) to sanitary sewer. Provide 1' minimum (UDACS) where storm drain is above sanitary sewer or use sand-cement slurry to separate utilities. |
| 20. |
Given an 8” pipe diameter; For ROW ≤ 60', d C - H2O (42") + φ (8") H2O + 18" GT 5'-8" (8") from FG → TOP (sewer); SB 6'-4" from FG → Invert 8" (sewer). For ROW > 60', d C - H2O (42") + φ (8") H2O + 18" SB GT 5'-8" (8") from FG → TOP (sewer); 6'-4" from FG → Invert 8" (sewer). |
| 21. |
Provide/show the minimum vertical crossing separation of 18" between the storm sewer or sanitary sewer and the water main/lateral while maintaining the minimum cover requirement over the water lateral or reference the UDACS for protection of the water line. (Show detail on plans if alternate standard used.) |
| 22. |
*Commercial Subdivisions Only* -- If all of the onsite Improvement Plans have not been submitted, submit a letter (engineer’s letterhead) stating:
- Why all onsite Improvement Plans have not been submitted;
- Improvement Plans will be submitted to Southern Nevada Health District for review and approval prior to construction;
- Letter is copied to owner/developer.
|
| 23. |
Reference the name of the Tentative Map on all transmittals. |
| 24. |
On any resubmittals, the changes should be noted in the Revision Note Block. |
| 25. |
Any Improvement Plan resubmittals with a P.E. stamp/signature dated prior to previous submittal date will be disregarded and not reviewed. |
