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[EnergyPlus_Support] A possible bug or I am doing somethinh wrong

Hi all, I found that my eio file is providing me wrong room volumes. I created the iDF file in energy plus with relative coordenates. I put the name to the IDF and then I did the geometric in open studio. I checked all zone coordenates and they are all the same in both programs (energy plus and open studio). I run the simulation in energy plus,0 warnings, 0 severe erros, 0 fatal erros. Them I checked my eio file and I found that energy plus is calculating volumes much higher that the ones I obtain by doing it by hand. Anyone there has come across anything similar?

Thanks 

I have attached both eio file 

 Volumen m3 Manually modified 
! <Zone Information>,Zone Name,North Axis {deg},Origin X-Coordinate {m},Origin Y-Coordinate {m},Origin Z-Coordinate {m},Centroid X-Coordinate {m},Centroid Y-Coordinate {m},Centroid Z-Coordinate {m},Type,Zone Multiplier,Zone List Multiplier,Minimum X {m},Maximum X {m},Minimum Y {m},Maximum Y {m},Minimum Z {m},Maximum Z {m},Ceiling Height {m},Volume {m3},Zone Inside Convection Algorithm {Simple-Detailed-CeilingDiffuser-TrombeWall},Zone Outside Convection Algorithm {Simple-Detailed-Tarp-MoWitt-DOE-2-BLAST}, Floor Area {m2},Exterior Gross Wall Area {m2},Exterior Net Wall Area {m2},Exterior Window Area {m2}, Number of Surfaces, Number of SubSurfaces, Number of Shading SubSurfaces,  Part of Total Building Area
 Zone Information, OFFICE_WITHOUT_W,0.0,26.33,6.74,0.00,40.54,15.95,1.60,1,1,1,37.81,43.26,14.23,17.67,0.00,3.20,3.20,59.84,Simple,Simple,18.70,0.00,0.00,0.00,10,0,0,Yes
 Zone Information, SMALL_OPEN_PLAN,0.0,26.43,50.20,0.00,36.04,12.52,1.60,1,1,1,26.14,48.38,6.77,17.67,0.00,3.20,3.20,550.08,Simple,Simple,171.88,123.44,112.73,8.40,21,8,0,Yes
 Zone Information, STORAGE,0.0,26.30,23.24,0.00,37.04,15.95,1.60,1,1,1,35.97,37.81,14.23,17.67,0.00,3.20,3.20,20.16,Simple,Simple,6.34,0.00,0.00,0.00,9,0,0,Yes
 Zone Information, MEETING_ROOM,0.0,34.70,23.27,0.00,28.94,14.94,1.60,1,1,1,26.14,31.23,12.22,17.67,0.00,3.20,3.20,88.64,Simple,Simple,27.69,17.42,16.22,1.20,9,1,0,Yes
 Zone Information, OPEN_PLAN_OFFICE,0.0,45.64,23.13,0.00,37.26,36.28,1.60,1,1,1,26.14,48.38,23.19,50.57,0.00,3.20,3.20,1947.84,Simple,Simple,608.70,246.36,229.65,14.40,11,13,0,Yes
 Zone Information, OFFICE_WINDOW,0.0,26.54,12.32,0.00,45.61,15.95,1.60,1,1,1,43.26,48.38,14.23,17.67,0.00,3.20,3.20,56.32,Simple,Simple,17.58,10.99,9.79,1.20,11,1,0,Yes
 Zone Information, TOILET_CORRIDOR,0.0,35.99,14.33,0.00,40.19,20.43,1.60,1,1,1,34.82,45.56,17.67,23.19,0.00,3.20,3.20,190.08,Simple,Simple,59.37,0.00,0.00,0.00,16,0,0,Yes
 Zone Information, BACK_ENTRANCE,0.0,43.37,14.19,0.00,46.76,20.43,1.60,1,1,1,45.56,48.38,17.67,23.19,0.00,3.20,3.20,49.92,Simple,Simple,15.58,17.69,13.73,0.00,9,1,0,Yes
 Zone Information, RECEPTION,0.0,38.44,17.44,0.00,30.77,20.43,1.60,1,1,1,26.14,34.82,17.67,23.19,0.00,3.20,3.20,153.28,Simple,Simple,47.95,17.69,9.77,0.00,11,2,0,Yes

Warning
Program Version,EnergyPlus 6.0.0.023, 10/12/2010 22:18,IDD_Version 6.0.0.023
   ************* Note that the following warning(s) may/will occur if you have not enclosed your zone completely.
   ** Warning ** Entered Zone Volumes differ from calculated zone volume(s).
   **   ~~~   ** ...use Output:Diagnostics,DisplayExtraWarnings; to show more details on individual zones.
   ************* Testing Individual Branch Integrity
   ************* All Branches passed integrity testing
   ************* Testing Individual Supply Air Path Integrity
   ************* All Supply Air Paths passed integrity testing
   ************* Testing Individual Return Air Path Integrity
   ************* All Return Air Paths passed integrity testing
   ************* No node connection errors were found.
   ************* Beginning Simulation
   ************* There are 2 unused schedules in input.
   ************* Use Output:Diagnostics,DisplayUnusedSchedules; to see them.
   ************* EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors.
   ************* EnergyPlus Sizing Error Summary. During Sizing: 0 Warning; 0 Severe Errors.
   ************* EnergyPlus Completed Successfully-- 1 Warning; 0 Severe Errors; Elapsed Time=00hr 03min 26.30sec

Volumen m3 autocalculated option

 
! <Zone Information>,Zone Name,North Axis {deg},Origin X-Coordinate {m},Origin Y-Coordinate {m},Origin Z-Coordinate {m},Centroid X-Coordinate {m},Centroid Y-Coordinate {m},Centroid Z-Coordinate {m},Type,Zone Multiplier,Zone List Multiplier,Minimum X {m},Maximum X {m},Minimum Y {m},Maximum Y {m},Minimum Z {m},Maximum Z {m},Ceiling Height {m},Volume {m3},Zone Inside Convection Algorithm {Simple-Detailed-CeilingDiffuser-TrombeWall},Zone Outside Convection Algorithm {Simple-Detailed-Tarp-MoWitt-DOE-2-BLAST}, Floor Area {m2},Exterior Gross Wall Area {m2},Exterior Net Wall Area {m2},Exterior Window Area {m2}, Number of Surfaces, Number of SubSurfaces, Number of Shading SubSurfaces,  Part of Total Building Area
 Zone Information, OFFICE_WITHOUT_W,0.0,26.33,6.74,0.00,40.54,15.95,1.60,1,1,1,37.81,43.26,14.23,17.67,0.00,3.20,3.20,99.75,Simple,Simple,18.70,0.00,0.00,0.00,10,0,0,Yes
 Zone Information, SMALL_OPEN_PLAN,0.0,26.43,50.20,0.00,36.04,12.52,1.60,1,1,1,26.14,48.38,6.77,17.67,0.00,3.20,3.20,844.42,Simple,Simple,171.88,123.44,112.73,8.40,21,8,0,Yes
 Zone Information, STORAGE,0.0,26.30,23.24,0.00,37.04,15.95,1.60,1,1,1,35.97,37.81,14.23,17.67,0.00,3.20,3.20,165.60,Simple,Simple,6.34,0.00,0.00,0.00,9,0,0,Yes
 Zone Information, MEETING_ROOM,0.0,34.70,23.27,0.00,28.94,14.94,1.60,1,1,1,26.14,31.23,12.22,17.67,0.00,3.20,3.20,299.54,Simple,Simple,27.69,17.42,16.22,1.20,9,1,0,Yes
 Zone Information, OPEN_PLAN_OFFICE,0.0,45.64,23.13,0.00,37.26,36.28,1.60,1,1,1,26.14,48.38,23.19,50.57,0.00,3.20,3.20,1397.72,Simple,Simple,608.70,246.36,229.65,14.40,11,13,0,Yes
 Zone Information, OFFICE_WINDOW,0.0,26.54,12.32,0.00,45.61,15.95,1.60,1,1,1,43.26,48.38,14.23,17.67,0.00,3.20,3.20,56.27,Simple,Simple,17.58,10.99,9.79,1.20,11,1,0,Yes
 Zone Information, TOILET_CORRIDOR,0.0,35.99,14.33,0.00,40.19,20.43,1.60,1,1,1,34.82,45.56,17.67,23.19,0.00,3.20,3.20,316.66,Simple,Simple,59.37,0.00,0.00,0.00,16,0,0,Yes
 Zone Information, BACK_ENTRANCE,0.0,43.37,14.19,0.00,46.76,20.43,1.60,1,1,1,45.56,48.38,17.67,23.19,0.00,3.20,3.20,49.84,Simple,Simple,15.58,17.69,13.73,0.00,9,1,0,Yes
 Zone Information, RECEPTION,0.0,38.44,17.44,0.00,30.77,20.43,1.60,1,1,1,26.14,34.82,17.67,23.19,0.00,3.20,3.20,409.85,Simple,Simple,47.95,17.69,9.77,0.00,11,2,0,Yes


Total volume from this method = 3639.65

Hand calculation= 3116.16





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