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O O STAKING SHEET - UNDERGROUND Company: OPTK Networks Exchange: Grand Island CONSTRUCTION PROJECT NOTES 1. The State, Courcy, City personnel shall be notified a minimum of forty eight (48) hours in advance of initial project 16. No lane closures allowed on arterial streets during AM and PM peak hours. construction. 17. AN work zone traffic control, induct-ing pedestrian control measures, shall be in compliance with the MUTCD and 2. The utility company and the contractor(s) are responsible to have at least one person on the job at all times, that is 'siiDe 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 pians. The oortractor is required to contact the Nebraska and Colorado 811 one call notification center (diad 8 11 ) 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 fames have been located and identified to the satisfaction of all parties. The contractor shall be responsible for protection of ai underground and aerial utilities and infrasbucture. 5. VVhenever underground facilities are in close proximity to the proposed pathway location or whenever the vertical location of the undergrourid facility is unknown. the contractor shall use special measures to detern ine the locations of such underground facilities. a. If the contractor is conducting the excavation by digging from the surface, when in a dose proximity m the underground facilities, the contractor shall use hand digging, hydro excavating, or air excavating to locate such facility. b. If the contractor is conducting the excavation by tunneling or boring. the contractor shall deterrnaie the vertical lavation of the underground facility by potholing or any other method approved by the director of public works and utilities - 5. Project plans shat dimension new facilities being installed. 7- Unless agreed to in writing in advance the depth of instated facilities in city and county row shall be at a minimum as follows: a. Forty-eight (48) inches in sat 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. Sony (CO) inches under a storm water or creek channel design bottom or pipe, and e. Maintain a minimum of twenty-four (24) inches of vertical and hormontal sparing from existing utilities_ f- Be located as far from the existing or proposed curb fine as possible to avoid potential future conflicts - B. All non -street surface materials that are disturbed by excavation and backfilling operations shad be replaced and restored - 9. City and county street surface materials disturbed shaft be backfilled. tamped and repaved by city or county forces or approved paving contractor - 10. If sidewalk, wheel chair ramps or any portion of the pedestrian facAities are removed or dosed, a pedestrian detour shall be established and maintained during 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 or county - 11. All pedestrian detours and any reconstruction of pedestrian facifities shall meet current Americans with Disability Act (ADA) standards and specifications. 12. At pedestrian detours shall be part 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 thetr original condition with the reinstated core flush with and in the original orientation as the existing surface matching existing pavement surface appearance. 14. When the contractor is not actively working: all equipmert. fencing, debris, etc- Shall not be ptaoed within the triangular area required for sight distance of vehicles exiting or entering an adjacent property or intersection. 15. At excavations shat be adequately fenced and covered when contractor is not present or project site left unattended. ADA. 18. The contractor shall maintain a set of "as buiit' plans an site with dimensioning- These plans shaft be presented upon request 19. Final "as-builr plans shall be filed with city and/or county within 30 days of the completion of the projecL 20. The contractor shat 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 worts site by the c oritraator. 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 immediately and contact the facility owner of the proposed changes - b. The facility owner's representative shall contact the city. county or state right-af-way construction inspector and provide them with the details. c. The RO'W inspector will make a determination an how to proceed. This determination may range from approval over the phone or via email to delaying the project until pians can be updated and appropriate review can be conducted. 23. Stake mourned warning signs and marker posts (BM53) to be placed where appropriate. 24. AM conduit and fiber is to be instated at the back of the roadway ROW unless otherwise noted. 25. Leave 120' loops (80' tails at splice points) for mainline fiber in vaults