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<br />If the pipe entering a manhole or junction is at an elevation <br />significantly above the manhole invert, a discontinuity in the EGL <br />may occur. If the EGI., of the incoming pipE~ for 1:he design flow <br />condition is higher then the EGL in the manhole, then a <br />discontinuity exists, <md the higher EGL is used for the incoming <br />pipe. <br /> <br />6.10 Checklist <br /> <br />To aid the designer and reviewer, the following checklist has been <br />prepared: <br /> <br />1. Calculate the ener'n' grade line (EGL) and hydraulic grade line <br />(HGL) for all SHwers and show on the pli~n and profile <br />drawings. <br /> <br />2. Account for all losses in the EGL calculation including <br />outlet, form, bend, manhole, and junction losses. <br /> <br />3. Provide adequate protection at the outlet of all sewers into <br />open channels. <br /> <br />4. Check for minimum pipe cover and clearance with all utilities. <br /> <br />6 - 12 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />