How to restore. For most revocations, you must first request and receive approval from the DMV Driver Improvement Unit (DIU) before you can apply for a new driver license at a DMV office. If you are licensed in another state, you must obtain approval from DIU to have your NYS driving privilege restored.
Making the world better, one answer at a time. A skimmer weir is the plastic flap and the opening of the skimmer. It traps leaves that are pulled into the skimmer when the pump is running and then holds the leaves in the skimmer whne the pump shuts down. A skimmer weir is the plastic flap and the opening of the skimmer.
Weir is defined as a barrier over which the water flows in an open channel. The edge or surface over which the water flows is called the crest. The overflowing sheet of water is the nappe. If the nappe discharges into the air, the weir has free discharge. If the discharge is partly under water, the weir is submerged or drowned. Types of Weirs. A weir with a sharp upstream corner or edge such that the water springs clear of the crest is a sharp-crested weir. All other weirs are classed as weirs not sharp crested. Sharp-crested weirs are classified according to the shape of the weir opening, such as rectangular weirs, triangular or V-notch weirs, trapezoidal weirs, and parabolic weirs.