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COURSE NOTES
STORMWATER DESIGN
Short Cut: Just before selecting the string RB then select Find by name from
the menu. This will display the Snap Name panel.
13.1.1 Placing a pit at a Specific Control String Chainage
When appending or moving drainage pits, the following steps will place the pit at a specific chainage
along the control string.
1.
RB and then select Snaps cogo=>Create=>Perpend from the menu. Messages indicating
what to be done next are given in the bottom left corner of the 12d window.
2.
LB select but do not accept the road centre line (control string).
3.
To place the pit across from chainage 2100 Type ch2100 then press enter.
12d Stormwater Design Course Notes - Part 1 Page 96 of 102
Revised 17 Sept 2007