Section 861 – CLEANING SEDIMENTATION STRUCTURES

sadhospitalMécanique

22 févr. 2014 (il y a 3 années et 1 mois)

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Section 861


CLEANING
SEDIMENTATION STRUCTURES


861.1 DESCRIPTION


This work is removal and disposal of sediment deposited in
erosion and sedimentation control structures and/or devices.


861.3 CONSTRUCTION


When sediment accumulation has reached a poin
t one
-
third
the depth of the sediment structure or device, remove and dispose of the sediment so it
does not erode into the construction areas and/or natural waterways. Do not damage the
structure or device.


861.4 MEASUREMENT AND PAYMENT


Cubic Meter (C
ubic Yard)


The sediment removed will normally be measure by the number of full loads
hauled multiplied by the rated capacity of the hauling equipment, in cubic meters (cubic
yards). Cross
-
sectional measurements will be used for large quantities and when
not
using
hauling equipment.