ADDITIONAL Project Control. Horizontal and vertical control will be established at intervals prescribed in the Fort Bend County Design Manual for Mobility Projects, with inter visibility, not to exceed 1000 foot spacing. • Horizontal control will be established on site based upon GPS observation utilizing the Leica RTN. • Horizontal control will be based on Texas Coordinate System of 1983, South Central Zone. • Vertical control will be extended from existing project controls using high order level loops. • Amend overall Survey Control Layout Sheet and Control Recovery Sheets.
Appears in 2 contracts
Sources: Agreement for Professional Engineering Services, Agreement for Professional Engineering Services