General Excavation Requirements. a. Acceptable Methods. The Contractor must use an excavator to mechanically excavate and immediately load fill material on the assigned site. b. Prohibited Activities. The Contractor is prohibited from on-site storage of equipment earlier than forty-eight hours prior to excavation or later than fortyeight hours after the application of seed; C. Vegetation, Brush, and Other Debris. Unless otherwise directed in this Scope of Services, the Contractor must clear all vegetation, brush, and other debris from the assigned site(s). This includes but is not limited to dead/fallen trees, logs, and illegally dumped debris. a. Removal of Tires. The Contractor must properly remove, transport, and recycle or dispose of tires in accordance with all applicable laws, regulations, and rules. b. Protection of Live Trees. The Contractor must make a reasonable and good faith effort to protect live trees that are six inches (6”) or more in diameter at four feet in height and which are located ten feet (10’) or more from the principal structure. c. Cleaning of the Alley. The Contractor must remove and dispose of any and all vegetation and other debris located in the first ten feet (10’) into any alleyway adjacent to the assigned site(s) D. Installation and Maintenance of a Safety Barrier. At any time prior to backfill when a material pile or an excavation greater than three feet (3’) in depth is left unattended on an assigned site, the Contractor must install and maintain a four-feet (4’) tall safety barrier around the entirety of any debris pile or open hole. The Contractor is prohibited from using an existing fence or surrounding structure as part of the safety barrier. The Contractor must install the safety barrier using commercially-available wooden or metal stakes approximately three feet (3’) away from the debris pile or the open hole on all sides. The Contractor must drive all stakes to a depth of approximately two feet (2’) below grade with a minimum of four feet (4’) of stake above grade. For spans in excess of twenty feet (20’), the Contractor must have an interstitial stake equidistant from the other stakes. The safety barrier must be constructed of orange high-density polyethylene material with 1.75” by 1.75” mesh equal to Tenax Guardian Warning Barrier, and the Contractor must securely attach the safety barrier to each stake using durable cable ties at no less than four (4) locations spaced evenly along the length of each stake. The finished installation must yield a taught, secure enclosure with no noticeable sagging, and the Contractor must take a date- and time-stamped color photograph of the installed safety barrier. The Contractor must regularly inspect and maintain the safety barrier, and the Contractor must make any corrections or repairs to the safety barrier within twenty-four (24) hours of request by the Owner. E. Property of the Contractor. All fill materials and debris, including any materials illegally dumped on the site prior to or during the excavation or fill removal, becomes the property of the Contractor, and the Contractor is responsible for the proper removal, transport, and disposal of all materials.
