PC-2010-06, PUD-84-21-04M, BRADDOCK AND LOGAN SERVICES, INC.

Urban Stormwater Design Requirements 49. The following requirements shall be incorporated into the project: • The applicant shall submit a detailed grading and drainage plan prepared by a licensed civil engineer depicting all final grades and on-site drainage control measures. This plan shall be subject to the review and approval of the City Engineer prior to the issuance of the first grading permit for the development covered by this approval. • Bulk construction materials stored outdoors that may contribute to the pollution of storm water runoff shall be covered as deemed appropriate by the City Engineer and/or the Building and Safety Division. • Unless otherwise approved by the City Engineer, there shall be no direct roof leaders connected to the storm drain system. Urban Stormwater Construction Requirements 50. The applicant is responsible for implementing the following measures during all construction phases of the project: The applicant shall include erosion control/storm water quality measures on the final grading plan which shall specifically address measures to prevent soil, dirt, and debris from entering the storm drain system during construction. Such measures may include, but are not limited to, hydroseeding, hay bales, sandbags, and siltation fences and are subject to the review and approval of the City Engineer and/or the Building and Safety Division as applicable. The applicant is responsible for ensuring that their contractors and sub -contractors are aware of and implement these measures. No grading shall occur between October 15th and April 15th unless approved erosion control/storm water quality measures are in place, subject to the approval of City Engineer and/or the Building and Safety Division as applicable. Such measures shall be maintained until such time as building construction begins. • Gather all construction debris on a regular basis and place it in a dumpster or other container which is emptied or removed on a weekly basis. When appropriate, use tarps on the ground to collect fallen debris or splatters that could contribute to storm water runoff pollution. Remove all dirt, gravel, rubbish, refuse, and green waste from the street pavement and storm drains adjoining the site. Limit construction access routes onto the site and place gravel on them. Do not drive vehicles and equipment off paved or graveled areas during wet weather. Broom sweep the A