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STAKING SHEET- UNDERGROUND Company: OPTK Networks Exchange: CONSTRUCTION PROJECT NOTES 1. The State, County. City personnel shall be notified a minimum of forty eight (48) hours in advance of initial project construction. 2. The utility company and the contractor(s) are responsible to have at least one person on the job at all tines, that is 'site supervisor' certified. 3. The contractor shall adhere to the current permit and contract specifications. 4. The locations of all aerial and underground utility facilities may not be indicated on the project plans. The contractor is requited to contact the Nebraska and Colorado 811 one call notification center (dial 811) forty-eight (48) hours prior to working in the city right of way. No excavation will be permitted in the area of the underground utilities until all facilities have been located and identified to the satisfaction of ail parties. The contractor shall be responsible for protection of all underground and aerial utilities and infrastructure. 5. Whenever underground facilities are in close proximity to the proposed pathway location or whenever the venial location of the underground facility is unknown. the contractor shall use special measures to determine the locations of such underground facilites. a. If the contractor is conducting the excavation by digging horn the surface. when in a close pronmity to the underground facilites. the contractor shall use hand digging. hydro excavating. or am -excavating to locate such facility. b. If the contractor a conducting the excavation by tunneling or boring. the contractor shall detente the vertical location of the underground facility by potwtng or any other method approved by the director of public works and utilities. 8. Project plans shall dimension new facikties being installed 7. Unless agreed to in writing n advance the depth of installed facilities in city and county row shall be at a minimum as follows: a. Forty-eight (48) inches in sod b. Forty-eight (48) inches below a projected slope from the flow line of a ditch at a three (3) horizontal and one (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 (00) inches under a storm water or creek channel design bottom or pipe. and e. Maehtam a minimum of twenty-1our (24) aches of vertical and horizontal spall g from existing utilities_ I. Be located as far fronh the existing or proposed cub line as possible to avoid potential future conflicts. 8. Al non -street surface materials that are disturbed by excavation and backfilling operations shall be replaced and restored_ 0. City and county street surface materials disturbed shall be backfilled. tapped and repaved by oily or county forces or approved paving contactor. 10. If sidewalk. wheel chair ramps or any portion of the pedestrian facilites are removed or dosed, a pedestrian detour shall be established and maintained during the time of the closure and the enc re pedestrian facility shag be restored within seventy -Mo (72) hours. unless the contractor provides a hard surface alternate route approved by to city or 11. Al pedestrian detours and any reconstruction of pedestnan facilities shall meet current Americans with Disability Ad (ADA) standards and specifications. 12. Al pedestrian detours shat be part of an approved Traffic Control Plan (TCP). 13. Al holes made n to streets for the purpose of performing vacuum excavations to locate underground cites shall be restored to their anginal condition with the reinstated core flush with and in to original orientation as the existing surface matching existing pavement surface appearance. 14. When the contractor is not actively working: all equipment fencing. debris. ese. Shall not be placed within the triangular area required for sght distance of vehicles exiting or entering an adjacent property or intersection. 15. Al excavations shall be adequately fenced and covered when eentrador is not present or project site left unattended. 16. No lane closures allowed on arterial streets dump AM and PM peak hours. 17. All work zone relic control. inducing pedestrian control measures. shall be in compliance with the MUTCO and ADA. 18. The contractor shall maintain a set of "as built' plans on site with dinensioreng. These plans shah be presented upon request. 10. Final "as -bait plans sisal be filed with city and/or county withal 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 facilites. 21. A current State. Count. or City permit shall be maintained on each work site by the contractor. The contractor shall present such permit upon request 22. Any held adjustments to mstallatcn 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 contactor must stop work immediately and contact the facility owner of the proposed changes. b. The facility owner's representat ve shall contact the city. county or state right-of-way construction inspector and provide therm with the details. c. The ROW inspector will make a determination on how to proceed. This determination may range from approval over to phone or via email to delaying to project until plans can be updated and appropriate review can be conducted. 23. Stake mounted waning signs and marker posts (BM53) to be placed where appropriate. 24. All conduit and fiber is to be instated at the back of the roadway ROW unless otherwise noted. 25. Leave 120' loops (80' tails at spice points) for manline fiber in vaults