Elements and Performance Criteria
- Clarify and confirm design requirements
- Review concept proposal to identify system requirements.
- Identify constraints and parts of the concept proposal requiring clarification or with design problems.
- Identify stakeholders and evaluate and negotiate alternative options to resolve problems.
- Confirm design standards and specifications relevant to the wastewater collection system.
- Define and document detailed design requirements.
- Identify and apply initial data to the design.
- Prepare collection system design
- Review project design requirements prior to proceeding with detailed design.
- Determine upstream catchment control
- Prepare designs forgravity sewer collection systems to meet project design requirements and design standards, codes and specifications.
- Design to allow for land use, i.e. residential, industrial.
- Determine pipe sizes, grades and requirements for self cleaning for varied weather flows.
- Finalise horizontal and vertical pipeline alignment in accordance with project design requirements and design standards and specifications.
- Determine appropriate pipe materials.
- Prepare structural design of pipelines.
- Determine the number, types, configurations and locations of maintenance structures.
- Design property connections to meet project design requirements and design standards and specifications.
- Design to make allowance for OHS during construction and in service life.
- Prepare design drawings in accordance with design standards, codes and Water Agency requirements.
- Manage documentation
- Evaluate design
- Review design to ensure objectives and specifications have been met.
- Identify and evaluate compliance with environmental standards and impacts of the design.
- Identify and evaluate compliance with legislation, codes and standards including OHS.
- Conduct consultations with parties with an interest in the design and report on adjustments and proposed design changes.
- Investigate and assess alternative design options.
- Recommend the most appropriate design proposal for adoption.