Renewable projects normally comprise one contract on generating plant (turbines/panels-inverters) and one or more balance of plant contracts (such as lines, cables, substations, or erection of generating plant). Contracts on generating plants are normally characterized by the manufacturer/vendor having a suite of documents from which it is reluctant to deviate, as it is closely tied to its product, while balance of plant contracts need to discharge all requirements applying to the project.
Primarily to introduce and ensure:
- compliance with grid code and grid connection, ensure the manufacturer to deliver documentation and models, both to discharge requirements of grid authorities and to form basis for the balance of plant contractor’s design (protection, harmonic filters, reactive power equipment)
- consistency and completeness in civil design basis for the balance of plant contractor’s design
- clear approach for energy yield assessments
- clear communication and SCADA interfaces
To enable suppliers to be evaluated on an even basis we prepare tender packages which are clearly defined, and all ambiguities/interpretation points are minimized as much as possible.
Content of the tender packages setting out the scope of work and technical requirements, including but not limited to:
- include and reference all governing project-specific documents such as consents, permits, interconnection agreement, landowner agreements, or generating plant supply agreement
- clarify which standards and regulations govern, especially whenever doubt might prevail
- clarify interfaces of all kinds: design exchange, scope apportionments, access and parallel works, testing, commissioning
- specify design lifetime, corrosive ambience, availability and reliability targets to steer up contractor’s design, paying attention to consequences, avoiding excess and costly designs
- include schedules with all important milestones, such as: time of design submissions for other party to approve, completion of defined, essential design packages, readiness for works and tests of other parties
- be clear about requirements for detail in and quality of engineering, specifying analyses and calculations for contractor to undertake whenever not obviously set out by laws or regulations
- interfere as little as possible, avoiding preferential engineering, leaving contractor in control
- include precise requirements for:
- inspection, testing and commissioning
- taking-over criteria
- as-built documentation
- operation and maintenance manuals
Ensure a future organization to have a concise and comprehensive basis to work from in compliance with applicable rules and regulations, provide a basis for contracting operation and maintenance services. Address both preventive and corrective maintenance and provision of tools and spares, and training of personnel for operation and maintenance.
We evaluate tenders, considering costs, risks, technical proposals, comparing by capitalization whenever possible and provide substantiated recommendations. We contribute to or manage negotiation processes, as relevant.