Attch_2_-_Drawings.pdf

4/3/24

AC ASPHALT CONCRETE

BMP BEST MANAGEMENT PRACTICES

BVC BEGIN VERTICAL CURVE

CLF CONSTRUCTION LIMIT FENCE

CMP CORRUGATED METAL PIPE

CP CONTROL POINT

CY CUBIC YARDS

DIA DIAMETER

EA EACH

EG EXISTING GRADE/GROUND

ELEV ELEVATION

EP EDGE OF PAVEMENT

EVC END VERTICAL CURVE

EX EXISTING

FG FINISHED GRADE

FL FLOWLINE

FT FEET OR FOOT

GB GRADEBREAK

HORIZ HORIZONTAL

HP HIGH POINT

LF LINEAR FOOT

LP LOW POINT

MAX MAXIMUM

MIN MINIMUM

NPS NATIONAL PARK SERVICE

NTS NOT TO SCALE

PT POINT

RC OR R.C. RELATIVE COMPACTION

SF OR SQ FT SQUARE FOOT

TBC TOP BACK CURB

TYP TYPICAL

VERT VERTICAL

1. ALL WORK AND MATERIALS SHALL CONFORM TO THE SPECIFICATIONS. ALL WORK AND MATERIALS NOT IN CONFORMANCE WITH THESE SPECIFICATIONS AND DETAILS ARE SUBJECT TO REMOVAL AND REPLACEMENT AT THE CONTRACTOR'S EXPENSE.

2. TWO WEEKS PRIOR TO THE COMMENCEMENT OF ANY WORK, CONSTRUCTION OR INSTALLATIONS ASSOCIATED WITH THIS PERMIT, THE PERMITTEE SHALL NOTIFY THE CONTRACTING OFFICER OF INTENT TO BEGIN AND REQUEST/SCHEDULE PRECONSTRUCTION MEETING AT THE

PROJECT SITE.

3. THE CONTRACTOR SHALL LOCATE ALL UTILITIES PRIOR TO EXCAVATION AND AVOID DAMAGE TO SAME. CALL 811 FOR USA DIGS TWO

WORKING DAYS PRIOR TO DIGGING.

4. CONTRACTOR SHALL COMPLY WITH THE PROVISIONS FOR TRAFFIC CONTROL AND BARRICADING PER THE APPROVED TRAFFIC CONTROL PLANS.

5. IF A FIRE HYDRANT IS NEEDED TO OBTAIN CONSTRUCTION WATER, THE CONTRACTOR SHALL OBTAIN A FIRE HYDRANT METER WITH A

BACKFLOW PREVENTER AND PAY ALL APPLICABLE FEES AND CHARGES, IF ANY.

6. ALL WORK SHALL CONFORM (AT A MINIMUM) TO THE LATEST EDITION OF THE FOLLOWING CODES AS ADOPTED BY THE COUNTY:

a. INTERNATIONAL BUILDING CODE;

b. OSHA REQUIREMENTS FOR EXCAVATION AND SHORING;

c. MANUAL FOR UNIFORM TRAFFIC CONTROL DEVICES ("MUTCD," PUBLISHED BY AASHTO).

7. CONTRACTOR TO SUBMIT TRAFFIC CONTROL AND ACCESS PLAN FOR APPROVAL BY CONTRACTING OFFICER'S REPRESENTATIVE. PLAN TO INCLUDE ACCESS RESTRICTIONS, TRAFFIC CONTROL, SITE PROTECTIONS AND ANY ADDITIONAL APPLICABLE INFORMATION. PLAN TO BE

STAMPED BY LICENSED ENGINEER OR ATSSA CERTIFIED PROFESSIONAL.

8. THE CONTRACTOR SHALL PROTECT ALL TREES, SHRUBS, AND OTHER VEGETATION OUTSIDE OF GRADING LIMITS DURING CONSTRUCTION.

9. CONSTRUCTION STAKING SHALL BE COMPLETED BY A PROFESSIONAL LAND SURVEYOR LICENSED BY THE STATE OF NEVADA. COPIES OF DESIGN BASE DRAWINGS, INCLUDING CONTROL POINTS, IN AN AUTOCAD COMPATIBLE FORMAT WILL BE PROVIDED TO THE CONTRACTOR FOR THIS

PURPOSE.

10. ALL DIMENSIONS GIVEN ARE IN FEET UNLESS SPECIFIED OTHERWISE.

11. THE CONTRACTOR SHALL PROVIDE A STORM WATER POLLUTION PREVENTION PLAN (SWPPP) TO BE FOLLOWED AND KEPT ON SITE AT ALL

TIMES.

12. EXISTING TOPOGRAPHIC SURVEY AND UTILITY INFORMATION SHOWN HERE ON IS BASED ON A SURVEY PREPARED BY R.O. ANDERSON

ENGINEERING INC' DATED 6-14-2023.

13. MAINTAIN A MINIMUM OF 10' HORIZONTAL SPACING AND 18" VERTICAL SPACING BETWEEN POTABLE WATER MAINS AND SANITARY SEWER AND STORM DRAIN INFRASTRUCTURE. WHERE POSSIBLE, WATER MAINS AND LATERALS SHALL BE CONSTRUCTED ABOVE EITHER SANITARY SEWER OR STORM DRAIN LINES. WHERE POTABLE WATER PIPES MUST CROSS BENEATH SANITARY SEWER LINES OR STORM DRAIN LINES.

PROVIDE A MINIMUM OF 18" VERTICAL SEPARATION AND TO THE EXTENT POSSIBLE INSTALL THE WATER LINE SUCH THAT THERE ARE NO

JOINTS OR FITTINGS WITHIN 10 FEET OF THE SEWER OR STORM DRAIN LINE.

14. THE ENGINEER, OR LAND SURVEYOR OF RECORD SHALL CERTIFY UPON COMPLETION OF CONSTRUCTION THAT ALL PUBLIC IMPROVEMENTS (WATER AND SEWER UTILITIES, STORM DRAINAGE, CONCRETE, PAVING, STREET LIGHTS, ETC.) HAVE BEEN INSTALLED AT THE LOCATIONS AND ELEVATIONS SHOWN ON THE APPROVED PLANS. ANY CHANGES SHALL BE REFLECTED ON "AS-BUILT"/RECORD DRAWINGS PROVIDED BY THE

ENGINEER TO NPS.

15. WORK EQUIPMENT SHALL BE CLEANED. INSPECTIONS OF THE EQUIPMENT SHALL BE DONE OUTSIDE OF THE PARK, AND REQUEST 5 BUSINESS

DAYS FOR INSPECTION. ALL EMPLOYEES SHALL HAVE TORTOISE TRAINING.

16. PROJECT WILL NEED TO BE PERMITTED FOR CONSTRUCTION BY NDEP. ENGINEER OF RECORD IS RESPONSIBLE FOR ALL COORDINATION AND

APPLICATION TASKS.

17. ALL DOOR AND HATCHES SHALL BE LOCKABLE BY A HASP AND PADLOCK. PADLOCKS WILL BE PROVIDED BY NPS.

18. WETWELL SHALL BE POLYMER CONCRETE.

1. ALL WORK SHALL BE DONE IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE, OSHA REQUIREMENTS FOR EXCAVATION, AND THE

SPECIFICATIONS.

2. SLOPES SHALL BE NO STEEPER THAN 2 HORIZONTAL TO 1 VERTICAL, OR AS DETERMINED BY THE CONTRACTING OFFICER.

3. FILL AREAS SHALL BE CLEARED OF ALL VEGETATION AND DEBRIS, SCARIFIED, AND BE APPROVED BY THE CONTRACTOR PRIOR TO THE PLACING

OF FILL.

4. PROTECTIVE MEASURES AND TEMPORARY DRAINAGE PROVISIONS SHALL BE USED TO PROTECT ADJOINING PROPERTIES AND WATERWAYS

DURING CONSTRUCTION OF IMPROVEMENTS.

5. DUST SHALL BE CONTROLLED BY THE CONTRACTOR TO THE SATISFACTION OF THE CONTRACTING OFFICER, AND IN ACCORDANCE WITH THE

AIR QUALITY PERMIT (IF ANY).

6. ALL STREETS SHALL BE MAINTAINED FREE OF DUST AND MUD CAUSED BY GRADING OPERATIONS. ALL OPERATIONS SHALL COMPLY WITH THE

REQUIREMENTS OF THE STORMWATER DISCHARGE PERMIT.

7. EROSION CONTROL:

a. IN CASE OF EMERGENCY CALL CONTRACTING OFFICER.

b. A STANDBY CREW FOR EMERGENCY WORK SHALL BE AVAILABLE AT ALL TIMES. NECESSARY MATERIALS SHALL BE AVAILABLE ON-SITE AND STOCKPILED AT APPROVED LOCATIONS TO FACILITATE RAPID CONSTRUCTION OF TEMPORARY DEVICES OR TO REPAIR DAMAGED EROSION

CONTROL MEASURES.

c. AFTER A RAINSTORM, ALL SILT AND DEBRIS SHALL BE REMOVED FROM CHECK BERMS AND DESILTING FACILITIES. GRADED SLOPE SURFACE

PROTECTION MEASURES DAMAGED DURING THE RAINSTORM SHALL ALSO BE REPAIRED.

d. FILL SLOPES AT THE PROJECT PERIMETER MUST DRAIN AWAY FROM THE TOP OF THE SLOPE AT THE CONCLUSION OF EACH WORKING DAY.

e. A SIX-FOOT HIGH PERIMETER FENCE, OR A 24-HOUR GUARD SHALL BE POSTED ON THE SITE WHENEVER THE DEPTH OF WATER IN A

FACILITY EXCEEDS 18 INCHES.

f. STORMWATER SHALL BE CONTROLLED BY THE CONTRACTOR TO THE SATISFACTION OF THE CONTRACTING OFFICER.

1. IF ANY SECTIONS OF EXISTING MANHOLES TO BE RAISED OR CONNECTED TO ARE FOUND TO BE DAMAGED PRIOR TO CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY CONTRACTING OFFICER AND THE DAMAGED SECTIONS SHALL BE REPLACED DURING CONSTRUCTION.

2. THE CONTRACTOR SHALL TAKE ALL NECESSARY MEASURES TO ENSURE THAT NO DEBRIS, DIRT, GROUT, CONCRETE, ETC., IS ALLOWED TO

FALL INTO THE SEWER PIPES, MANHOLES, OR WET WELLS DURING CONSTRUCTION.

3. ALL SEWER GRAVITY MAINS AND LATERALS SHALL BE PVC SDR 35 UNLESS OTHERWISE NOTED.

4. NON-FLEXIBLE TRANSITION COUPLINGS ARE REQUIRED WHEN CONNECTING SEWER GRAVITY MAINS TO EXISTING MAINS. COUPLINGS SHALL BE ROMAC INDUSTRIES, INC., STYLE 501 STRAIGHT AND TRANSITION COUPLINGS FOR SEWER OR APPROVED EQUAL WHEN CONNECTING PVC TO NON-PVC SEWER MAINS. IF THE EXISTING MANHOLE STUB EXCEEDS 24" IN LENGTH, TRIM TO 18" FROM MANHOLE PRIOR TO

CONNECTING NEW SEWER PIPE.

5. THE CONTRACTOR SHALL INSTALL A PLUG AT THE POINT OF EXTENSION OF A SEWER GRAVITY MAIN PRIOR TO THE START OF CONSTRUCTION. THE CONTRACTOR SHALL CLEAN AND FLUSH ALL LINES AFTER CONSTRUCTION. THE PLUG SHALL REMAIN IN PLACE UNTIL

ALL LINES HAVE BEEN INSPECTED, TESTED, CLEANED, AND FLUSHED.

6. MAINTAIN A MINIMUM COVER OF 2.0 FEET OVER ALL SEWER LATERALS.

7. MARKING TAPE SHALL BE INSTALLED 12 INCHES ABOVE ALL SEWER MAINS AND LATERALS. TAPE WIDTH SHALL BE THREE INCHES; THICKNESS SHALL BE 4 MIL OR GREATER AND SHALL BE GREEN AND BEAR LARGE PRINTING DENOTING "CAUTION BURIED SEWER LINE BELOW" OR

EQUIVALENT WORDING.

1. ALL WATER SERVICE LATERALS BELOW SEWER OR STORM DRAIN LINES ARE TO BE POLYETHYLENE (PE) PIPE AND SHALL CONFORM TO

STANDARD AWWA C901 AND ASTM D2737.

2. UNLESS OTHERWISE SPECIFIED, ALL WATERLINES SHALL BE PVC DR18 CLASS 235 MEETING THE REQUIREMENTS OF AWWA C900 AND AWWA

C651-05. ALL VALVES, TEES, BENDS, AND OTHER FITTINGS SHALL MATCH THE PIPE CLASS.

3. ALL UNFINISHED PIPE OR FITTINGS SHALL BE SEALED AT THE END OF EACH DAY TO PREVENT WATER, SOIL OR RODENTS FROM ENTERING PIPE.

4. WATER MAINS MUST NOT BE PLACED INTO SERVICE AFTER ITS INITIAL CONSTRUCTION UNTIL:

a. THE WATER MAIN HAS BEEN DISINFECTED IN ACCORDANCE WITH AWWA STANDARD C651-86, TABLET METHOD. THE DISPOSAL OF ANY

SPENT CHLORINE SOLUTIONS MUST BE PROPERLY DISPOSED OF.

b. AN ANALYSIS OF THE WATER MAIN INDICATING IT MEETS PRIMARY STANDARDS FOR COLIFORM BACTERIA HAS BEEN OBTAINED.

6. PVC PIPELINES ARE TO BE PRESSURE TESTED ACCORDING TO AWWA STANDARD C605 TO 150 PSI UNLESS NOTED OTHERWISE.

7. MAINTAIN A MINIMUM MITIGATED SEPARATION DISTANCE OF 12 INCHES OF VERTICAL SEPARATION BETWEEN IRRIGATION SERVICE LINES AND POTABLE WATER LINES. ALL IRRIGATION SERVICE LINES SHALL BE WHITE; ALL POTABLE WATER LINES SHALL BE BLUE (OR BLACK, IF HDPE).

8. WHERE WATERLINE PIPE DEFLECTION IS NECESSARY, DEFLECT PIPE PER MANUFACTURER'S RECOMMENDATIONS.

9. UNLESS NOTED OTHERWISE, MAINTAIN A MINIMUM COVER OF 3.0 FEET OVER ALL WATER MAINS AND WATER SERVICE LATERALS.

10. THE ROMAC INDUSTRIES "600" SERIES PIPE RESTRAINING SYSTEM OR EQUIVALENT IS ACCEPTABLE ON PIPE JOINTS/COUPLINGS WHERE WATER AND SEWER/STORM DRAIN LINES CROSS AND THE MINIMUM SEPARATION CANNOT BE MET, AN EQUAL DISTANCE FROM THE POINT OF CROSSING. THIS APPLIES WHEN MINIMUM SEPARATIONS CANNOT BE MET, AS WELL AS WHEN THE SEWER/STORM DRAIN IS ABOVE THE WATER

MAIN AT CROSSING. SEE DETAIL OF SHEET C5.0 FOR ADDITIONAL INSTRUCTIONS.

5. MANHOLE SHALL BE POLYMER CONCRETE OR APPROVED EQUAL.

6. MANHOLE BASE SHALL BE PRECAST CONCRETE.

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