- 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. Inlet Protection 819.05 - 699 - 819.05 -- Basis of Payment
1.P a y I t e m P a y U n i t Area Inlet Protection Each Curb Inlet Protection Linear Foot Rental of Skid Loader, Fully Operated Hour Rental of Loader, Fully Operated Hour Rental of Crawler Mounted Hydraulic Hour Excavator, Fully Operated Rental of Dump Truck, Fully Operated Hour Rental of Backhoe, Full Operated Hour 2. Payment will not be made for individual components of the device installed.
3.Maintenance, repair, repositioning and any handwork required in the maintenance operation of an inlet protection device to a good working condition will not be measured for payment, but will be considered subsidiary to the appropriate inlet protection item.
4.Payment is full compensation for all work described in this Section. - 700 - SECTION 820 -- TURBIDITY BARRIER
820.01 Description
1.Turbidity barriers consist of a heavy duty reinforced fabric attached on the upper side to floatation members and ballasted on the lower side with chains or weights to form a bo ttom-tensioned floating curtain boom.
820.02 Material Requirements
1.The products used for turbidity barriers shall be shown on the Department’s Approved Products list.
2.Anchors shall be capable of holding the floating basin boom in place.
3.Prior to installation, the contra ctor shall provide an installation guide to the Engineer.
820.03 Construction Methods
1.Turbidity barriers shall be insta lled at the locations shown in the contract or as directed by the Engineer.
2.Installation shall be as recommended by the manufacturer for the intended application.
3.The Contractor shall maintain t he turbidity barrier in good working condition at all times.
4.Prior to the completion of the pr oject, the Contractor shall remove the turbidity barrier and it will become the property of the Contractor.
820.04 Method of Measurement
1.Turbidity barriers will be measured by the length in place.
2.The measurement will be taken along the top line of the boom.
3.Maintenance, repair and removal of the turbidity barrier will not be measured for payment, but considered su bsidiary to the item of Turbidity Barrier.
820.05 Basis of Payment
1.P a y I t e m P a y U n i t Turbidity Barrier Linear Foot (LF)
2.Payment is full compensation for all work described in this section.
Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 732–733 of 1,048.