Advantages to the promoter are that he has direct access to the plant sup- plier to specify his requirements and agree all technical details. He can receive plant drawings in good time to complete the structural designs. Adisadvantage is that, if the plant supplier is late on his promised delivery, the promoter may have to pay the contractor for delay. To guard against this, plant delivery times quoted to the civil contractor can allow a ‘safety margin’ on the plant supplier’s quoted delivery time. The majority of all projects incorporating major plant are managed satisfactorily on this basis