A contract used when the contractor is responsible for both design and construction of building works.
When using this contract, it is recommended you read Guidance Note GN 1.5 for more information.
The Commercial Skills Academy (CSA) offers practical training for public servants
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ITT-W1a Invitation to Tender Letter v1.0 10-01-2017
ITT-W1a Restricted Procedure v2.1 25-11-2025
| Document | To use when: |
|---|---|
Contractor is a Company and the agreement is executed under hand |
|
Contractor is a Company and the agreement is executed under seal |
|
Contractor is an individual and the agreement is executed under seal |
|
Contractor is an individual and the agreement is executed under hand |
|
Contractor is a Joint Venture and the agreement may be executed under hand or under seal |
Often, a Suitability Assessment Questionnaire (SAQ) is prepared before the main contract.
SAQ documents are available in Pillar 3
Model Forms are standardised template documents designed to support the consistent and compliant execution of public works contracts in Ireland.