Software for Sewer Design

Central system component for all other BBSoft® modules: manages project administration, structures the data foundation, and controls interfaces as well as system logic.

• Import survey data and process it immediately
• Automatically generate point and staking-out lists
• Central symbol management – find quickly instead of searching
• Clear layer structure for maximum project clarity
• Create as-built plans with just a few clicks
• Easily import Shape data and use it directly
• Flexibly adjust drawings – intuitively control scale, line types, and labeling
• Automatically transform survey points and convert them correctly
• Direct conversion and mapping of 2D and 3D survey points
• Automatically detect and calculate areas
• Output coordinate lists at the push of a button
• Import terrain data directly from the field book
• Conveniently filter, edit, and check survey points

Pipeline design and network calculation for new sewer networks and network extensions – including sewer network planning with pipeline calculation, automatic manhole generation, and integration with the digital terrain model.

• Manholes and reach networks are generated automatically from 2D and 3D polylines
• Reach networks are created quickly using templates, including automatic cover elevation calculation
• Reach lengths are determined by mouse click or direct input
• A preview of pipe segmentation is provided when standard pipe lengths are specified
• Material changes within reaches are taken into account
• An unlimited number of digital terrain models can be managed within a drawing
• Switching between manhole and reach templates is supported during network design
• Collision checks are performed for pipelines and reaches
• Additional manholes can be integrated into a digital terrain model at any time
• Manholes and reaches can be copied or moved easily between projects
• Entire reach networks can be renamed based on defined rules – enabling one-click editing of complete networks
• Newly designed sewer networks can be vertically adjusted by a user-defined value
• Road inlets are generated automatically from blocks with associated pipelines
• Interactive slope design is available in the longitudinal section, with optional automatic drop structure calculation
• House inspection chambers and road inlets are planned
• House connection pipelines are designed for existing networks while maintaining connection elevation and allowing slope adjustments

Manhole and reach reports with key attribute data are generated from the database.

• Manholes are documented in accordance with standards
• All objects are displayed in CAD
• Manhole data including cover elevation, invert elevation, material, and dimensions are included in the report
• Reach reports include length, slope, profile, material, and condition data
• Flexible layout options are available through configurable texts, colors, and line types

Sewer data is captured efficiently and managed in a structured database – transforming survey data into a clear and analyzable sewer network.

• Reaches, pipelines, manholes, house connections, road inlets, covers, and catchment areas are stored in the database with attribute data
• Inspections and rehabilitation measures are recorded and managed with attribute data
• Extensive code catalogs (profile types, materials) in accordance with DWA/ISYBAU are included
• A wide range of predefined filter options is available (e.g. display all reaches with condition class 5)
• Flexible plan design is supported through freely configurable texts, colors, line types, and hatching
• All objects are displayed in CAD
• Manhole and reach reports are generated directly from the captured data

Quantities for sewer construction projects are derived automatically from the design and prepared in accordance with standards for construction billing – directly from the BBSoft® database and within CAD.

• Quantity survey for sewer construction is performed directly from reach and manhole data in the design
• Excavation volumes, bedding material, and backfilling are calculated automatically for each network section
• Standard-compliant quantity outputs are generated for construction billing in accordance with VOB
• Direct transfer to the BBSoft® module for construction billing
• Quantities are updated automatically when design changes occur

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Construction Billing

Slope calculation is performed interactively within the sewer longitudinal section – including automatic drop structure generation and preview of all elevation changes.

• Interactive slope design in the longitudinal section ensures compliance with minimum reach slopes
• Drop structures are generated automatically when maximum pipe slopes are exceeded
• Preview of inlet and outlet elevations, invert levels, and cover elevations before application
• Reach slopes and invert levels can be adjusted interactively – changes are visible immediately
• Simultaneous display of design terrain and existing terrain for slope verification
• A reference horizon can be defined for slope visualization
• Consistent line types are maintained between longitudinal section and location plan

A powerful tool for both design and existing network analysis – reach lengths, manhole data, and intersecting pipelines are displayed and edited directly in the longitudinal section.

• The longitudinal section header is fully configurable, including colors, text sizes, information types, and decimal precision
• Intersecting pipelines from the database and external disciplines are displayed
• Intersecting or adjacent points and 3D structures are visualized
• Entire longitudinal sections can be shifted for plotting output
• Interactive editing with preview of inlet and outlet elevations, invert levels, cover elevations, and reach lengths
• Individual segments can be labeled in cases of multiple elevation differences
• Manholes can be inserted into existing reaches
• Direct access to manhole and reach fields with in-place editing
• Simultaneous display of design terrain and existing terrain
• Hydraulic results such as hydraulic grade line and energy line are visualized
• Longitudinal sections can be limited using station parameters for plotting
• Multiple network sections can be displayed within a single longitudinal section
• Wall thickness is visualized for manholes and reaches
• Different connection types are supported: invert-aligned, crown-aligned, or axial
• Longitudinal sections and their display settings are stored in the database
• Color-coded hatching is used for manhole bases, manholes, reaches, and cover layers
• Inspections and rehabilitation measures are output in separate bands

Hydraulic calculations are performed directly within the CAD plan – sewer network analysis using the time coefficient and summation curve methods, including flow velocity, discharge, and hydraulic design of pipelines.

• Hydraulic calculations include the time coefficient method (with reduction factors) and the summation curve method according to Reinhold/KOSTRA
• Sewer network analysis using the time coefficient method calculates average flow velocity, discharge, utilization, and rainfall intensity
• Hydraulic design of pipelines and special structures (e.g. stormwater overflow structures)
• Flow velocity and hydraulic discharge are calculated across the entire network
• Calculations can be performed for the entire network or for individual catchment areas
• "Stop" manholes can be defined to interrupt network calculations
• Separation structures (diversion structures) with linear flow distribution and automatic loop prevention in ring networks
• Natural catchment areas are generated automatically using digital terrain model analysis
• Average terrain slope is determined automatically for runoff coefficient calculation
• Hydraulic design for sewer construction includes calculation of minimum pipe diameters for target utilization
• Automatic network dimensioning based on utilization criteria – no diameter reduction on steep sections
• Backwater levels and overflow frequencies from Hystem-Extran are visualized