The following two settings control the scaling of Utility Design features:
The Symbol Scale setting controls the scaling of Utility Design line and point features (including blocks).
The Scale Mode Type setting in the Autodesk AutoCAD Utility Design Options dialog box controls whether or not the LTSCALE command affects Utility Design line features as well as AutoCAD lines. Point features (including blocks) are not affected by LTSCALE.
To scale Utility Design line and point features
Click Home tabProject Areadown arrow.
Enter a value for Symbol Scale.
To specify that LTSCALE affects Utility Design lines as well as AutoCAD lines