We just recently supported a similar customer. In your case, you can order a plan as follows:
(1) Choose image recording plan;
(2) Choose customized plan;
(3) Select your image resolution. For construction project, most likely you need a plan of 1920x1080 or high, dependent on your requirement and camera capabilities.
(4) Choose upload frequency. You can select 1 image/1 min, or 1 image/15 min to lower the cost.
(5) Select a retention time. We can support up to 1 year retention. Longer retention is also possible, please contact us.
(6) Uncheck the motion detection checkbox.