Installation To Specification Teamwork ensures the implementation phase of your project goes smoothly and that your warehouse needs are met. Arpac's experienced crew arrives on site1 to install your rack, shelving and related material handling equipment according to specifications determined in the layout and engineering phases. While customers may choose to install storage products on their own, we recommend that larger and more complex projects be assigned to Arpac’s installers, who are equipped to safely and efficiently complete the work. 1If optional installation services have been purchased.