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HomeMy WebLinkAboutSWA000195_Construction Sequence_20230323CONSTRUCTION SEQUENCE CAR D/ � � 1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS. e9 SEAL — 2. FLAG WORK LIMITS AND MARK TREE & BUFFER AREAS FOR PROTECTION. = 047788 3. HOLD PRE —CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CONSTRUCTION. = �i°° FNGINEE�o °°��:' 4. INSTALL TEMPORARY CONSTRUCTION ENTRANCES AND STONE STAGING/MOBILIZATION AREAS. cygEL J•\������'� 5. INSTALL STREAM CULVERTS AND ESTABLISH CONSTRUCTION ROUTES. INSTALL RAIN GAUGE ON —SITE. 6. INSTALL DIVERSION DITCHES ALONG NORTHERN PROPERTY LINES TO MANAGE OFF —SITE RUNOFF. 7. INSTALL SEDIMENT BASINS AS NEEDED. WORK WITHIN A DRAINAGE BASIN WILL REQUIRE INSTALLATION OF ALL SKIMMER/SEDIMENT BASIN COMPONENTS. STABILIZE BANKS. DO NOT CONSTRUCT BASINS OR CONDUCT MAJOR GRADING ACTIVITIES DURING WET WEATHER OR PERIODS OF PREDICTED WET WEATHER. 8. INSTALL ALL PERIMETER EROSION CONTROL MEASURES AS REQUIRED BY NCDEQ INCLUDING; SILT FENCES, WATTLES, BARRIERS, AND DIVERSION DITCHES AS NEEDED. 9. CALL NCDEQ INSPECTOR TO APPROVE PERIMETER EROSION CONTROL DEVICES. 10. PROCEED WITH CLEARING, GRUBBING AND ROUGH GRADING. CONTRACTOR SHALL LIMIT AREAS OF DISTURBANCE TO 50—ACRES. ACTIVE WORK AREA(S) MUST BE STABILIZED, AND EROSION CONTROL MEASURES FOR UPCOMING WORK MUST BE IN PLACE PRIOR TO PROGRESSION OF LAND DISTURBANCE. 11. APPLY TEMPORARY/PERMANENT SEEDING PER GROUND STABILIZATION SCHEDULE. MAINTAIN EROSION CONTROL MEASURES AS NECESSARY. NPDES LOG TO BE KEPT CURRENT AND ACCESSIBLE AT PROJECT SITE AT ALL TIMES. 12. CONSTRUCT PROPOSED STORM DRAINAGE SYSTEM WITH INLET AND OUTLET PROTECTION. ENSURE INLET/OUTLET PROTECTION IS INSTALLED BY END OF WORKDAY. 13. ONCE ALL DISTURBED AREAS WITHIN A DRAINAGE BASIN HAVE BEEN STABILIZED, CONTACT THE INSPECTOR TO VERIFY SEDIMENT BASIN CAN BE REMOVED. 14. INSPECT STORM SYSTEM AND REMOVE ANY SEDIMENT. COLLECTED SEDIMENT SHALL BE REMOVED AND MANAGED PER PROJECT SPECIFICATIONS. SEDIMENT BASIN MAY THEN BE TRANSITIONED INTO BIORETENTION CELL(S) AND/OR BROUGHT TO FINISH GRADE. 15. COMPLETE FINAL GRADING AND STABILIZE WITH PERMANENT SEEDING, MULCH, AND LANDSCAPE. 16. CALL NDEQ ASHEVILLE REGIONAL OFFICE AT 828-296-4500 TO SCHEDULE FINAL INSPECTION PRIOR TO FILING NOTICE OF TERMINATION. MAINTENANCE INSPECTIONS SHALL BE PERFORMED WEEKLY AND AFTER EACH RAINFALL. ALL REPAIRS NECESSARY SHOULD BE MADE IMMEDIATELY AND IN STRICT ACCORDANCE WITH NCDEQ STANDARDS AND NPDES PERMIT.