if delay of t1 is needed, send mould development progress schedule with notice about delay of drawing review to customer and check with it for request of delay of mould development.
the control of progress schedule is one of three major controls, in equal position with the quality control and investment control.
进度控制是工程建设项目中与质量、投资控制并列的三大控制之一。
drawing up and submitting the comprehensive construction progress schedule to the owner and all specialist companies as well as the equipment suppliers for further confirmation.