B08_Attach_16_MEVE_-_31750_Morefield_Plan_C9_No_Arc.pdf

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SWPPP NOTES�

1. ALL CONTRACTORS�SUBCONTRACTORS S+ALL CONDUCT T+EIR OPERATIONS IN A MANNER T+AT MINIMI=ES EROSION AND PREVENTS SEDIMENTS FROM LEAVING T+E LIMITS OF CONSTRUCTION. T+E PRIME CONTRACTOR S+ALL BE RESPONSIBLE FOR T+E DEVELOPMENT� IMPLEMENTATION AND COMPLIANCE WIT+ T+E RE4UIREMENTS OF T+E PERMIT OF T+E STORM WATER POLLUTION PREVENTION PLAN �SWPPP� FOR T+EIR ENTIRE CONTRACT. T+IS RESPONSIBILITY S+ALL BE FURT+ER S+ARED WIT+ SUBCONTRACTORS W+OSE WORK IS A SOURCE OF POTENTIAL POLLUTION AS DEFINED IN T+E SWPPP. SEE DIVISION 01

SPECIFICATIONS FOR VE+ICLE CLEANING RE4UIREMENTS.

2. CLEAN VE+ICLES AND CONSTRUCTION E4UIPMENT PRIOR TO ENTRY INTO T+E PARK TO MINIMI=E T+E POTENTIAL FOR INTRODUCTION AND�OR PROLIFERATION OF INVASIVE NON�NATIVE WEEDS T+ROUG+ PRO-ECT ACTIONS. T+E CONTRACTOR IS RE4UIRED TO WAS+ E4UIPMENT� WIT+ EMP+ASIS ON UNDERCARRIAGES� WIT+ A +IG+�PRESSURE SPRAY PRIOR TO TRANSPORTING SUC+ E4UIPMENT TO MESA VERDE

NATIONAL PARK.

3. ALL VE+ICLES AND CONSTRUCTION E4UIPMENT ENTERING MESA VERDE NATIONAL PARK S+ALL BE INSPECTED AND APPROVED BY T+E CONTRACTING OFFICER REPRESENTATIVE PRIOR TO ENTERING T+E

PARK.

4. E4UIPMENT NOT DEEMED CLEAN BY T+E CONTRACTING OFFICER WILL NOT BE ALLOWED TO ENTER T+E PARK. T+E CONTRACTOR REMAINS LIABLE FOR ADDITIONAL TRANSPORTATION FEES INCURRED W+EN

E4UIPMENT FAILS INSPECTION.

5. USE APPROVED NATIVE SEED AND�OR PLANTS AND REVEGETATE AREAS DISTURBED BY CONSTRUCTION.

6. PRIOR TO BEGINNING GRADING� E;CAVATION� OR CLEARING AND GRUBBING OPERATIONS� WATTLES S+ALL BE PLACED ALONG T+E PERIMETER OF T+E AREAS TO BE DISTURBED AT LOCATIONS W+ERE RUNOFF CAN MOVE OFFSITE. VEGETATION IN AREAS NOT NEEDED FOR CONSTRUCTION S+ALL BE PRESERVED. AS AREAS REAC+ T+EIR FINAL GRADE� ADDITIONAL WATTLES S+ALL BE INSTALLED AS SPECIFIED IN T+E PLANS AND�OR AS RE4UIRED BY T+E CONTRACTING OFFICER REPRESENTATIVE. T+IS WILL INCLUDE USING WATTLES AS DITC+ C+ECKS AND TO PROTECT E;ISTING CULVERTS. T+IS WORK S+ALL BE DONE IN ACCORDANCE WIT+ DIVISION 01 OF T+E SPECIFICATIONS. AS T+E WORK PROGRESSES� ADDITIONAL EROSION CONTROL ITEMS S+ALL BE INSTALLED BY T+E EROSION CONTROL CONTRACTOR AS DETERMINED BY T+E CONTRACTING OFFICER REPRESENTATIVE AFTER FIELD INVESTIGATION. T+E CONSTRUCTION WILL BE COMPLETED WIT+ ESTABLIS+MENT OF PERMANENT PERENNIAL VEGETATION OF ALL DISTURBED

AREAS BY T+E EROSION CONTROL CONTRACTOR.

7. T+E CONTRACTOR S+ALL BE RESPONSIBLE FOR ON SITE DUST CONTROL. DUST MAY BE CONTROLLED BY WETTING DENUDED SOIL OR BY USING WIND BARRIERS.

8. CONTRACTOR DISPOSAL OF UNUSED CONSTRUCTION MATERIALS AND CONSTRUCTION MATERIAL WASTES S+ALL COMPLY WIT+ APPLICABLE STATE AND LOCAL WASTE DISPOSAL REGULATIONS. IN T+E EVENT OF A CONFLICT WIT+ OT+ER GOVERNMENTAL LAWS� RULES AND REGULATIONS� T+E MORE RESTRICTIVE LAWS� RULES OR REGULATIONS S+ALL APPLY.

9. T+E CONTRACTOR IS RE4UIRED TO MAINTAIN ALL TEMPORARY EROSION CONTROL MEASURES IN PROPER WORKING ORDER� INCLUDING CLEANING� REPAIRING� OR REPLACING T+EM T+ROUG+OUT T+E CONTRACT PERIOD. CLEANING OF SILT CONTROL DEVICES S+ALL BEGIN W+EN T+E FEATURES +AVE LOST 50� OF T+EIR CAPACITY.

10. PERMITTEES MUST INSPECT DESIGNATED AREAS AT LEAST ONCE EVERY 14 CALENDAR DAYS AND WIT+IN 24 +OURS AFTER ANY STORM EVENT OF 0.5 INC+ES OR GREATER. COLORADO DEPARTMENT OF PUBLIC +EALT+ ENVIRONMENT ALSO RECOMMENDS T+AT PERMITTEES PERFORM A “WALK T+ROUG+” INSPECTION OF T+E CONSTRUCTION SITE BEFORE ANTICIPATED STORM EVENTS �OR SERIES OF EVENTS SUC+ AS INTERMITTENT S+OWERS OVER A PERIOD OF DAYS� T+AT COULD POTENTIALLY YIELD A SIGNIFICANT AMOUNT OF RUNOFF. INSPECTIONS MUST BE PERFORMED BY 4UALIFIED PERSONNEL WIT+ EIT+ER T+E

OPERATOR

S OWN PERSONNEL OR CONSULTANTS +IRED TO PERFORM T+E INSPECTIONS. T+E INSPECTORS MUST BE KNOWLEDGEABLE AND POSSESS T+E SKILLS TO ASSESS CONDITIONS AT T+E CONSTRUCTION SITE T+AT COULD IMPACT STORM WATER 4UALITY AND ASSESS T+E EFFECTIVENESS OF CONDITIONS AT T+E CONSTRUCTION SITE T+AT COULD IMPACT STORM WATER 4UALITY AND ASSESS T+E EFFECTIVENESS OF SEDIMENTATION AND EROSION CONTROL MEASURE C+OSEN TO CONTROL T+E 4UALITY OF T+E SITES STORM WATER DISC+ARGES.

11. T+E CONTRACTOR S+ALL PROTECT SPOILS PILES� IF LONGER T+AN 7 DAYS.

12. INSTALL DOUBLE LAYER SOIL RETENTION BLANKET ON DISTURBED AREAS STEEPER T+AN 3�1. ONE KNOWN LOCATION IS S+OWN IN T+E PLANS BUT OT+ERS MAY BE FOUND DURING CONSTRUCTION T+AT WILL

RE4UIRE T+IS INSTALLATION.

SEEDING NOTES�

1. AFTER FINAL GRADING AND TOPSOIL PLACEMENT� SEED AND MULC+ ALL AREAS WIT+IN T+E LIMITS OF CONSTRUCTION NOT INDICATED FOR OT+ER SURFACING.

2. ALL SEEDING WORK S+ALL BE DONE IN ACCORDANCE WIT+ SPECIFICATION SECTION 32 92 00.

SCALE OF FEET

1500150 1� 150

MOREFIELD WATER LINE

EROSION CONTROL

11 55

MOREFIELD CANYON

C9

LEGEND

CULVERT OUTLET PROTECTION

CULVERT INLET PROTECTION

DROP INLET PROTECTION

SILT FENCE

COP

CIP

DIP

SILT FENCE TO BE PLACED AROUND

BORING LAY DOWN AREAS.

CONSTRUCTION LIMITS

INSTALL DOUBLE LAYER

SOIL RETENTION BLANKET

SILT FENCE TO BE PLACED

AT WORK LIMITS