- Project file MiTS 1(PondCAD) here
- Project file MiTS 2 here
- Software Report here
- Manual Excel Spreadsheet here
- Linear interpolator here
*kindly informed that you will need to download the manual excel spreadsheet and software report
Objective
- Comparison between software calculation and manual calculation. To ensure that the results are the same
- Software extract the correct value from Table in MSMA 2
Project Development details
Area: 1 ha (0.75 ha for impervious, 0.25 ha for pervious)
Terrain condition : Lowlying
MSMA 2nd Edition
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OSD Sizing Procedure (MSMA 2 – Simplified Method) |
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| Manual Excel Spreadsheet | MiTS Software |
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Design Criteria Design Manual: MSMA 2 Method: Simplified Method Type of OSD = Below Ground |
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Proposed Development Location: Kuala Lumpur Region: Region 1 – West Coast Impervious = 0.8 ha ; Pervious = 0.2 ha Terrain = Lowlying |
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| 3. Permissible Site Discharge (PSD) & Site Storage Requirement (SSR) | |
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Table 5.A1
Interpolate; PSD = 65.3 l/s/ha SSR = 499 m3s
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Table 5.A1
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Table 5.A1
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Table 5.A2
Interpolate: PSD : 62.1 l/s/ha SSR : 487.23 m3s Inlet : 196.67 l/s/ha |
Table 5.A2
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Table 5.A2
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| 4. OSD Tank Sizing | |
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| 5. Inlet & Outlet Sizing | |
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Table 5.A3
Table 5.A3; Interpolate Volume (m3) : 500 m3 Inlet & Overflow Dia. (mm): 510 mm Outlet Dia. (mm) : 195 mm Table 5.A4; Interpolate i) Determine the Overflow Pipe Diameter using Inlet Flow obtained from Table 5.A2 as discharge : 0.1967 m3/s Pipe diameter = 448 mm ii) Determine the Outlet Pipe Diameter using PSD value obtained from Table 5.A2 as discharge 0.0621 Pipe diameter = 294 mm |
Table 5.A3
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Table 5.A3
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Table 5.A4
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