HomeMy WebLinkAboutscan-13CONSTRUCTION ACTIVITY NOTES:
EROSION PREVENTION:
CONSTRUCTION OF SILT FENCE AND ALL OTHER EROSION CONTROL MEASURES SHALL BE COMPLETE BEFORE
OTHER CONSTRUCTION ACTIVITY OCCURS.
USE PHASED CONSTRUCTION WHEREVER PRACTICAL AND ESTABLISH TURF AS SOON AS POSSIBLE TO MINIMIZE
SEDIMENT TRANSPORT,
TURF ESTABLISHMENT OR TEMPORARY SEEDING OR MULCHING OF ALL EXPOSED SOIL NOT BEING ACTIVELY
WORKED SHOULD BE PRACTICED FOLLOWING THE TABLE BELOW:
TEMPORARY COVER DURING CONSTRUCTION IS INCIDENTAL.
PIPE OUTLETS MUST BE PROVIDED WITH TEMPORARY OR PERMANENT ENERGY DISSIPATION WITHIN 24 HOURS
AFTER CONNECTION TO A SURFACE WATER.
Type of Slope
or Disturbance Area
Time Area can Remain Open Without
Being Actively Worked
Steeper than 3:1
14 days
10:1 to 3:1
14 days
Flatter 10:1
14 days
Ditches
i day
Pipe Ends
1 day
in 200' of Surface Water
1 day
200' of the wetted ditch
teter from the ditch outlet
1 day
ALL EXPOSED SOILS SHALL BE STASBILIZED AT THE EARLIEST POSSIBLE TIME TO PREVENT/REDUCE EROSION.
SEDIMENT CONTROL PRACTICES:
INLET EROSION PROTECTION SHALL BE INSTALLED AND MAINTAINED UNTIL TURF HAS BEEN ESTABLISHED,
THE CONTRACTOR SHALL BE RESPONSIBLE TO CONTROL EROSION FROM LEAVING THE CONSTRUCTION ZONE. ALL
ERODED MATERIAL THAT LEAVES THE CONSTRUCTION ZONE SHALL BE COLLECTED BY THE CONTRACTOR AND
RETURNED TO THE SITE AT THE CONTRACTOR'S EXPENSE,
ALL STREETS MUST BE SWEPT AT THE END OF EACH WORKING DAY,
SILT FENCE OR OTHER EFFECTIVE EROSION CONTROL MEASURES MUST BE INSTALLED AROUND THE PERIMETER OF
ANY SOIL STOCKPILES, INCLUDING TEMPORARY STOCKPILES. STOCKPILES CANNOT BE PLACED IN SURFACE WATERS,
INCLUDING STORM WATER CONVEYANCES SUCH AS CURB AND GUTTER SYSTEMS, OR CONDUITS AND DITCHES.
11 GA GALVANIZED STEEL SUSPENSION SYSTEM
STANDARD
OVERFLOW A
LIFT HANDLES
NOTES:
REAR CURB GUARD FLAP W7H
MAGNETIC TIE DOWNS
(SLIDE 2x4 THROUGH FLAP IF IRON
CURB BACK NOT AVAILABLE)
REPLACEABLE SEDIMENT BAGS WITH
GEOTEXTILE FILTER FABRIC
FOR SPECIFICATIONS AND MAINTENANCE GUIDELINES VISIT
WWW.I N LETFILTERS. COM
INSTALLATION:
REMOVE GRATE
DROP FLEXSTORM INLET FILTER ONTO LOAD BEARING LIP OF CASTING OR
CONCRETE STRUCTURE
REPLACE GRATE
MATERIALS:
FRAMING -11 GAUGE STEEL; CORROSION RESISTANT
SEDIMENT BAG - WOVEN GEOTEXTILE FABRIC; 2 CUBIC FOOT TYP VOLUME;
STAINLESS STEEL LOCKING BAND SECURING BAG TO FRAME
CURB BOX FILTER
INLET PROTECTION
NITS
EC212
CONSTRUCTION ACTIVITY NOTES:
DEWATERING AND BASIN DRAINING:
DEWATER SEDIMENT -LADEN WATER TO SEDIMENTATION BASINS IF POSSIBLE, OR USE OTHER BMP'S TO
PREVENT EROSION AND REMOVE SEDIMENT WHEN DISCHARGING TO SURFACE WATERS. USE
APPROPRIATE ENERGY DISSIPATION MEASURES ON ALL DISCHARGES.
DEWATERING PRACTICES CANNOT CAUSE NUISANCE CONDITIONS, EROSION OR IN RECEIVING CHANNELS
OR INUNDATION OF WETLANDS RESULTING IN ADVERSE IMPACTS.
POLLUTION PREVENTION:
ALL SOLID WASTE COLLECTED FROM THE CONSTRUCTION SITE MUST BE DISPOSED IN ACCORDANCE WITH
ALL APPLICABLE REGULATIONS,
ALL HAZARDOUS MATERIALS (OIL, GASOLINE, FUEL, PAINT, ETC) MUST BE PROPERLY STORED TO PREVENT
SPILLS, LEAKS OR OTHER DISCHARGE, STORAGE AREAS SHALL PROVIDE SECONDARY CONTAINMENT AND A
HAZARDOUS MATERIALS SPILL KIT, STORAGE AND DISPOSAL OF HAZARDOUS WASTE MUST BE IN
COMPLIANCE WITH ALL APPLICABLE REGULATIONS.
EQUIPMENT MAINTENANCE AREAS MUST BE LIMITED TO A DEFINED AREA OF THE SITE. ALL RUNOFF
CONTAINING ANY HAZARDOUS MATERIAL MUST BE PROPERLY COLLECTED AND DISPOSED. NO ENGINE
DEGREASING SHALL BE ALLOWED ON SITE.
THE CONTRACTOR IS RESPONSIBLE FOR MONITORING AIR POLLUTION AND ENSURING IT DOES NOT EXCEED
-EVELS SET BY LOCAL, STATE, OR FEDERAL REGULATIONS THIS INCLUDES DUST CREATED BY WORK
BEING PERFORMED ON THE SITE. AIR POLLUTION AND DUST CONTROL CORRECTION IS CONSIDERED
tiCIDENTAL TO THE UNIT BID PRICES FOR WHICH WORK IS BEING PERFORMED. ADDITIONAL DUST
--ONTROL MEASURES MAY BE REQUIRED BY THE ENGINEER.
-CNCRETE WASHOUT ONSITE: ALL LIQUID WASTE GENERATED BY CONCRETE WASHOUT OPERATIONS
"JST BE CONTAINED IN A LEAK -PROOF CONTAINMENT FAC1 TY OR IMPERMEABLE LINER. THE LIQUID
;, ASTE MUST NOT CONTACT THE GROUND, AND THERE MUST NOT BE RUNOFF FROM THE CONCRETE
%ASHOUT OPERATIONS OR AREAS. LIQUID WASTE MUST BE DISPOSED OF PROPERLY AND IN COMPLIANCE
;,ITH CITY OF WATERLOO, IOWA REGULATIONS. A SIGN MUST BE INSTALLED ADJACENT TO EACH WASHOUT
FACILITY TO INFORM CONCRETE EQUIPMENT OPERATORS TO UTILIZE THE PROPER FACILITIES.
VSPECTION AND MAINTENANCE:
-HE PERM17EES MUST ROUTINELY INSPECT THE CONSTRUCTION SITE ONCE EVERY SEVEN (7) DAYS
CURING ACTIVE CONSTRUCTION.
ALL INSPECTIONS PERFORMED DURING CONSTRUCTION MUST BE RECORDED AND RECORDS RETAINED
WITH THE SWPPP.
CONTRACTOR IS RESPONSIBLE FOR KEEPING A RECORD OF ALL RAINFALL INFORMATION & EROSION
CONTROL MAINTENANCE UNTIL FINAL ESTABLISHMENT OF TURF.
ALL SILT FENCES MUST BE REPAIRED, REPLACED OR SUPPLEMENTED WHEN THEY BECOME
NONFUNCTIONAL OR THE SEDIMENT REACHESY OF THE HEIGHT OF THE FENCE.
EROSION CONTROL, AND OTHER BMP'S MUST BE REPLACED, REPAIRED, OR SUPPLEMENTED WHEN THEY
REACH 50% DESIGN LOAD.
FINAL STABILIZATION:
ALL TEMPORARY EROSION CONTROL MEASURES AND BMP'S MUST BE REMOVED AS PART OF THE FINAL
SITE STABILIZATION.
EL SUSPENSION SYSTEM
SEDIMENT BAGS WITH
LTER FABRIC
SIT
OF CASTING OR
SEDIMENT BAG - WOVEN GEOTEXTILE FABRIC; 2 CUBIC FOOT TYP VOLUME;
STAINL EBB STEEL LOCKING BAND SECURING BAG TO FRAME
RECTANGULAR FILTER
INLET PROTECTION
NITS EC211
MAINTENANCE SCHEDULE:
THE FOLLOWING MAINTENANCE SCHEDULE HAS BEEN PROVIDED. THE INSPECTOR MUST PERFORM THE
INSPECTIONS. THE OPERATOR/CONTRACTOR MUST PERFORM ALL NEEDED MAINTENANCE,
FURTHERMORE, ALL EROSION CONTROL FEATURE REQUIRING MAINTENANCE MAY NOT BE LISTED BELOW.
THE OPERATOR/CONTRACTOR AND INSPECTOR MUST PERFORM THEIR RESPECTIVE DUTIES ON ALL BMP'S
THAT ARE NOT LISTED BELOW AS WELL.
1. STREET CLEANING / SWEEPING - THE MAINTENANCE MEASURES ARE AS FOLLOWS: (13.1)
EVALUATE ACCESS POINTS DAILY FOR SEDIMENT TRACKING; (13,2) WHEN TRACKED OR
SPILLED SEDIMENT IS FOUND ON PAVED SURFACES, IT WILL BE REMOVED DAILY, DURING
TIMES OF HEAVY TRACK -OUT, SUCH AS DURING RAINS, CLEANING MAY BE DONE SEVERAL
TIMES THROUGHOUT THE DAY; (13.3) UNKNOWN SPILLS OR OBJECTS WILL NOT BE MIXED
WITH THE SEDIMENT; AND (13.4) IF SEDIMENT IS MIXED WITH OTHER POLLUTANTS, IT WILL BE
DISPOSED OF PROPERLY AT AN AUTHORIZED LANDFILL,
THIS DOCUMENT IS THE PROPERTY OF I & S GROUP,
INC. AND MAY NOT BE USED, COPIED OR DUPLICATED
WITHOUT PRIOR WRITTEN CONSENT.
PROJECT
CITY OF
WATERLOO
SULLIVAN
BROTHERS PLAZA
RENOVATION
WATERLOO
IOWA
REVISION SCHEDULE ---I
Liz
PROJECT NO. 21-25083
FILE NAME
25083 CI -EROSION
DRAWN BY
TJB
DESIGNED BY
NSG / PRA
REVIEWED BY
NSG
ORIGINAL ISSUE DATE
08/10/21
CLIENT PROJECT NO. -
TITLE
EROSION
CONTROL NOTES
AND DETAILS
SHEET
C1-10