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STAKING SHEET - UNDERGROUND Company: OPTK Networks Exchange: Grand Island CONSTRUCTION PROJECT NOTES The State. County. City personnel shall be notified a minimum of forty eight (481 hours in advance of mitral project construction 2. The utility company and the contractions i are responsible to have at least one person on the job at all tires, that is 'site supervisor' pertfhed. 3. The contractor shall adhere to the current permit and contract specifications. 4. The locations of all aenal and underground utility facilities may riot be indicated on the protect plans. The contractor is required to contact the Nebraska and Colorado 811 one call notification center (dial 8111 forty-eght 1481 hours prior to working in the city right of way. No ercavation will be permitted in the area of the underground utilities until an facilities have been located and identified to the satisfaction of all parties The contractor shot be responsible for protection of all underground and aenal utilities and infrastructure. _ Whenever underground facilities are in close proximity to tthe proposed pathway location or whenever the vertical location of the underground facility is unknown, the contractor shall use special measures to determine the locations of such underground facitrbes. a. If the contractor is conducing the excavation by digging from the sur`ace when in a close proximity to the underground ratites. the contractor shall use hand digging( hydro excavating. or air excavating to locate su !' facility. b if the contractor is conducting the excavation by tunneling or boring, the contractor shall determine the vertical location of the underground facility by potholing or any other method approved by the director of pubic works and utilities C. Project plans shah dimension new facilities being installed 7. Unless agreed to in writing in advance the depth or installed facilites in city and county row shall be at a minimum as follows a. Forty-eight (48) inches in soil b. Forty-eight (48) inches below a projected slope from the flow line of a ditch at a three 131 Ihonzontal and one i 1 vertical slope. c Forty-eight (48) inches under a roadway measured from the surface of said roadway to the top of the installation d. Sixty (80) inches under a storm water or creek channel design bottom or pipe, and e. Maintain a minimum of twenty-four (241 inches of vertical and horizontal spacing from existing ublrties f Be located as far from the existing or proposed curb Inc as possible to avoid potential future conflicts 8. All non -street surface materials that are disturbed by excavation and backfding operations shall be replaced and restored 8. City and county street surface materials disturbed shall be backfilled. tamped and repaved by city or county forces or approved paving contractor 10. If sdewalk, wheel chair ramps or any portion of the pedestrian facilities are removed or closed, a pedestnan detour shall be established and maintained dunrg the time of the closure and the entire pedestrian facility shall be restored within seventy-two (72) hours. unless the contractor provides a hard surface alternate route approved by the city on county ' 1 All pedestrian detours and any reconstruction of pedestrian facilities shall meet current Americans with Disability Act (ADA) standards and specifications. All pedestrian detours shall be part of an approved Traffic Control Plan ITCP) All holes made in the streets for the purpose of perfonnng vacuum excavations to locate underground utilities shall be restored tc their original condition with the reinstated core flush with and in the original orientation as the existing surface matching existing pavement surface appearance. '4. When the contractor is not actively working. all equipment. fencing, debris. etc. Shall not be placed within the triangular area required for sight distance of vehicles exiting or entering an adjacent property or intersection. it All excavations shall be adequately fenced and covered when contractor is not present or project site left unattended. 1e. No lane closures allowed on arteral streets during AM and PM peak hours. 17. All work zone traffic control. ahtruding pedestrian control measures. shall be in compliance with the MUTCD and ADA 18. The contractor shall maintain a set of "as built' plans on site with dinrnsrorvng. These plans shall be presented upon request. 19. Final "as -buil" plans shall be filed with city ardor county within 30 days of the completion of the project. 20. The contractor shall follow construction standards pertaining to the lateral corridor facility placement and minimum depth requirements and clearance requirements of other facilities. 21. A current State. County. or City permit shall be maintained On each work site by the contractor. The contractor shall present such permit upon request. 22. Any field adjustments to installation of facilities. which vary from the plans that have been submitted and approved during the permit application process, shall comply with the following. a The contractor must stop work enmediately and contact the facility owner of the proposed changes b The facility owner's representative that contact the city. county or state nght-of-way construction inspector and provide them wnh the details. c. The ROW inspector will make a determination on how to proceed. Tris determination may range from approval over the phone or via errarl to delaying the project until plans can be updated and appropriate review can be conducted. 23 Stake mounted warring signs and marker posts (BM531 to be placed where appropriate 24. All conduit and fiber is to be installed at the back of the roadway ROW unless otherwise noted 25 Leave 120' bops (50' tails at splice points) for mainline Aber n vaults