NEC4 · ECC Option X16
Option X16
Retention, which cannot be used with Option F. A percentage of the Price for Work Done to Date above the retention free amount is held back, half released after Completion.
On the Aldermere project
Aldermere uses X16 at 3% above a retention free amount of GBP 400,000.
Also written as
- X16
- retention bond
Where you meet it
- Module 3: What comes off: retention and the other secondary OptionsPayment and Defined Cost
- Module 5: X Options and Z clauses: what to add and what to leave outContract Preparation