- 697 - SECTION 818 -- SOIL ROUGHENING
818.01 Description
1.This work consists of rough ening exposed soil as an erosion control measure. This work shall be perform ed along slope contours or across ditch bottoms as shown in the contract or as directed by the Engineer.
818.02 Construction Methods
1.This work shall consist of using a field cultivator or disk to produce parallel roughened strips on the contour s of slopes or across ditch bottoms. The roughened strips shall be a minimum of 8 feet (2.5 m) wide and a minimum depth of 3 inches (75 mm) and placed as directed by the Engineer.
2.This work shall be initiated when the finish grade is established for any location designated in the contract for soil roughening.
3.Soil roughening may be used when work stops for a period of time after locations have been rough graded.
818.03 Method of Measurement
1.The work of soil roughening will be measured by the Linear Foot (Meter) for the length of each pass as described.
818.04 Basis of Payment
1.P a y I t e m P a y U n i t Soil Roughening Li near Foot (LF) {Meter (m)}
2.Payment is full compensation for all work described in this Section. - 698 - SECTION 819 -- INLET PROTECTION
819.01 Description
1.This work shall consist of installing, maintaining, and removing manufactured or site constructed curb inlet and area inlet protection devices at locations shown in the contract, temporary erosion control plans, or as directed by the Engineer.
819.02 Material Requirements
1.Inlet protection devices shall be constructed as shown in the contract.
2.Manufactured inlet protection devices shall be selected from the Department’s Approved Products List.
819.03 Construction Methods
1.Inlet protection shall be manufa ctured or site constructed devices.
a.Approved manufactured products shall be installed as per manufacturer's recommendations. The Engineer shall be given a copy of the instructions before installation.
b.Site constructed protection devices shall be approved by the Engineer.
c.Inlet protection devices shall be installed in a manner to protect the inlet and prevent ponding of stormwater on the roadway.
2.Inlet protection devices shall be maintained, repaired, and repositioned to provide effective protec tion. Good working condition includes sediment removal, fabric and post repa ir, broken fasteners, undermining and the repositioning of devices.
a.The Contractor shall remove and dispose of sediment that accumulates near the inlet protection device when it is at 50% capacity on closed roadways.
b.The Contractor shall remove and dispose of all sediment from the roadway within 24 hours of the end of a storm event on roadways open to traffic.
3.Inlet protection devices shall be removed at the completion of the project, or as directed by the Engineer.
819.04 Method of Measurement
1.Area Inlet Protection will be measured based on each location installed.
2.Silt removal will be meas ured based on equipment rental.
3.Removal of inlet protection devices shall be subsidiary to the installation of the item. Inlet protection devices shall remain the property of the Contractor.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 731–731 of 1,048.