Technical specification of NetSystem 4

Product	NetSystem 4 [[{{{commercial_product4}}}]]
Type of article	{{{category_name1}}} [[{{{category3}}}|{{{category_name3}}}]]
Source for translation	NS 4.7

System-hardware requirements

• operating system MS Windows 8, Windows 7, Vista, XP
• 2 GHz dual core processor
• 2 GB RAM for Win XP or 3 GB RAM for Win8, Win7 or Vista
• minimum screen resolution 1280x1024
• required to install Microsoft.NET Framework 4
• recommended Internet access to activation and updating of the software and directories
• recommend to install with the same user privileges like for the user who will be working with the applications.

List of standards and methods used during conducting the selection and calculations

Net-san

Gravity sewerage network

1. Flow stream for rainwater:
   • PN EN 752-4 Standard
   • Karl and Klauss R. Imhoff: Kanalizacja miast i oczyszczanie ścieków.
2. Hydraulic calculations of partly filled sections:
   • flow calculated due to Bretting’s formula.
   • pressure drop calculated due to Prandtl-Colebrook formula.
3. The self-defecation:
   • due to the method of boundary shear stress.
4. The network draft:
   • authorized method which meets the required minimum and maximum depth gradient and collisions with other networks.
5. Sizing the diameters:
   • basing on the summary flow and according to the fill ratio.
6. Local pressure drops:
   • is taken into accounts basing on roughness of the pipe taken from the catalogue data or on the standard ATV-DVWK A110P.

Pressure sewerage network

1. Pumping stations:
   • are based on the work: Karl and Klauss R. Imhoff: „Kanalizacja miast i oczyszczanie ścieków” and authorised methods.
2. Calculations of pipes completely filled:
   • due to Colebrooke-White’s formula.
3. Sizing diameters:
   • including the Rmin and Rmax.
4. Network draft:
   • authorized method.

Water pipeline

1. Calculations of pipes completely filled:
   • due to Colebrooke-White’s formula.
2. Sizing diamteres:
   • including the vmax and Rmax.
3. Network draft:
   • authorized method.
4. Including the local pressure drops:
   • enabled by the ability of declaring the dzeta for knickpoints.