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A=COM 4.4.1 Any required notifications shall be provided within the appropriate timeframe to the applicable organization (e.g. owner, utility company, agency, governing body, etc.). 4.4.2 All applicable permits (e.g. client, government,working near rail road, etc.)will be identified, obtained, and adhered to. 4.4.3 All access agreements will be obtained and adhered to. 4.5 Locating Underground Utilities and Subsurface Installations 4.5.1 Utilize the appropriate call/click-before-you-dig provider. Refer to S3AM-331-ATT1 One-Call System. 4.5.2 Federal/State/Provincial/Territorial and other"One Call"providers shall be contacted at least two working days and no more than ten working days prior to commencing the ground disturbance. Jurisdictional requirements shall be consulted to verify the appropriate advance notice. (e.g. 24 hours, two full working days,three to ten business days, etc.). 4.5.3 If the location of proposed excavation or intrusive subsurface work cannot be clearly and adequately identified,the route and/or area of the proposed ground disturbance shall be identified using white flags, paint or stakes prior to the arrival of the locator. Consult jurisdictional requirements as white-lining may be a mandatory requirement on all ground disturbances. 4.5.4 One Call providers shall appropriately identify and mark the subsurface utilities or installations, or otherwise provide written notification they do not have any facilities near the proposed subsurface/intrusive locations. 4.5.5 Confirm all circuits were on during subsurface checks if the checks were for identifying energized lines(e.g. circuits on timers or light sensing switches). 4.5.6 Areas that have a high density of sub-surface facilities may require a secondary locate by another independent locator to verify locations identified by the first locator. 4.6 Private Utility Locating 4.6.1 One Call services may not be available in various non-urban locations. Private utility locating companies shall be utilized to identify and located any underground utilities or subsurface installations. 4.6.2 Be aware urban areas(e.g. city or town) may have subsurface installations(e.g. underground garages)and utilities(e.g. public water, sewer, and gas pipelines)that are not covered by one-call systems. • These subsurface installations and utilities require additional investigation and diligence beyond the one-call system. • Additional investigation and diligence beyond the one-call system is also recommended for non-urban areas. 4.6.3 In urban areas, private utility locating companies shall be called to identify and locate, through geophysical surveys and other means,the presence of private utilities installed by the property owner(e.g. irrigation systems)and to verify the presence of public utilities on the properties. • Hand clearance/tolerance zones shall be observed in urban areas and utilities exposed through the use of non-destructive techniques in accordance with requirements of the applicable jurisdiction and utility owner. 4.6.4 Observance of hand clearance/tolerance zones and utility exposure using non-destructive techniques is also recommended for non-urban areas and may be required by the applicable jurisdiction. Underground Utilities(S3AM-331-PR1) Revision 2 September 30,2020 PRINTED COPIES ARE UNCONTROLLED. CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET. Page 4 of 8