AMD 004 Section 5.3.docx

AG-4568-S-12-0022 / AMENDMENT 004

IDIQ Road Maintenance NFNC

5.3 Cleaning and Brushing of Culvert Inlets and Ditch Transitions – Inspect, clean and brush culvert inlet and surrounding area to remove dirt, silt, muck, debris, brush, saplings, and other vegetative matter to provide an un-obstructed flow of water into the culvert. Remove leaves, branches, rocks, or other foreign material from ditch lines leading into culverts. This item of work does not include grading, shaping, or otherwise cutting the normal ditch line.

5.3.1 Quality Standard

· Culverts barrels shall be cleaned 3’ inside its inlet to remove any dirt, silt, muck, debris, and vegetative matter that might cause culvert blockage.

· Culvert Inlets are unobstructed by grass, debris, brush, dirt, or trees less than 4” diameter within 3’ radius of its inlet.

· Loose rocks that are impeding proper drainage, dirt, slough, debris and deposits are removed from the Ditch Transition, including foreslope and backslope.

· Dispose of unsuitable material outside of the traveled way and shoulders, and in manner as to not impede any watercourses or as directed by the COR or Project Inspector.

· Ditch debris is not piled at or around culvert entrances such that it has the potential to impede drainage or wash back into the ditch.

· No foreign materials remain in the ditch line which will impede flow to the culvert for a minimum distance of 200’ from the culvert.

5.3.2 Measurement

Measurement shall be made of the road served by the culverts, to the nearest tenth of a mile using a vehicle odometer or distance measuring instrument calibrated over a measured mile.

5.3.3 Payment

The accepted quantities will be paid at the contract price per unit of measurement for the Section C5.3 pay items listed in the schedule of items. Payment will be full compensation for the work prescribed in this section.

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