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STAKING SHEET - UNDERGROUND Company: OPTK Networks Exchange: Grand Island CONSTRUCTION PROJECT NOTES 1. The State. County. City personnel snail be notified a minimum of forty eight (48 ) hours in advance of initial project construction. 2. The utility company and the contractorlsl are responsible to nave at least one person on the job at all times, that is 'sae 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 required to contact the Nebraska and Colorado 811 one call notification center (dial 811) forty-eight (48) hours prior to working in the city nght 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 all parties. The contractor shall be responsible for protection of all underground aria aenal utilities and infrastructure. 5. Whenever underground facilities are in close proximity to the proposed pathway location or whenever the vesical location of the underground facility is unknown, the contractor snarl use special measures to detemvne the locations of such underground facilities. a If the contractor is conducting the excavavon by digging from the surface when in a close proximity to the underground facilitesthe contractor shalt use nand digging. hydro excavating. or air excavating to locate such facility. b. If the contractor is conducting the excavation by tunneling or boring, the contractor snail determine the vertical location of the underground facllrty by potholing or any other method approved by the director of public works and utilities C. Project plans shall dimension new facilites being installed. 7. Unless agreed to in writing in advance the depth of installed facilities In city and county row shall be ata minimum as follows: a. Forty-eight (481 inches in sal b. Forty-eight (481 inches below a projected supe from the flow line of a ditch at a three 1.31 horizontal and one 11 i vertical slope. c Forty-eight (481 inches under a roadway measured from the surface of said roadway to me 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 utilities f Be located as far from the existing or proposed curb line as possible to avoid potential future conflicts 8. All non -street surface matenals that are disturbed by excavation and backfilling operations shall oe replaced and restored g. City and county street surface materials disturbed shall be backfilled, tamped and repaved by city or county forces or approved paving contractor 'C. If sidewalk. wheel chair ramps or any portion of the pedestrian facilities are removed or cloud, a pedestrian detour shall be established and maintained during the time of the closure and the entire pedestrian facility snail be restored within seventy-two 1.721 hours. unless the contractor provides a rare surface alternate route approved by the city or county 11. All pedesthan detours and any reconstruction of pedestrian facilities shall meet current Americans with Disability Act (ADA) standards and specifications. 12. All pedestrian detours shall oe par, of an approved Traffic Control Plan (TCP) 13. All holes made in the streets for the purpose of performing vacuum excavations to locate underground utilities shall be restored to their onginal condition with the reinstated core flush with and in the onginah orientation as the existing surface matching esisting pavement surface appearance. '4. When the contractor is not actively workingall equipment, fencng, debts, etc. Shall not be placed within the tnanguiar area required for sight distance of vehicles exiting or entering an adjacent property or intersection. All excavations shall be adequately fenced and covered when contractor is not present er project site left unattended. 18 No .ane closures allowed on arterial streets dunng AM and PM peak hours. 17. All work zone traffic contra, including peoestrlan control measures, snail be in compliance ninth the MUTCD and ADA 18 The contractor shall maintain a set of "as built' plans on site wan dimensioning These plans shah: be presented upon request lb. Final "as -butt" plans shall be filed with city and:or 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 pemcrt shall be maintained on each work site by the contractor. Tine contractor shall present such permit upon request. 22. Any field adjustments to insalation of facilities, which vary front the plans that have been submitted and approved during the permit application process, shall comply with the following: a The contractor must stop work immediately and contact the facility owner of the proposed changes b. The facility owners representative shag contact the city, county or state nght-of-way construction inspector and provide them with the oeails. c. The ROW inspector will make a determination on how to proceed. This determination may range from approval over the phone or via email to delaying the project until plans can be updated and appropriate review can be conducted. 23. Stake mounted warning signs and marker posts (BM53) to be placed where appropnate. 24. All conduit and fiber is to be installed at the back of the roadway ROW unless otherwise noted. 25. Leave 120' mops (80' tails at splice points) for mainline fiber in vaults