The following is a list of construction forms. Construction Related Forms.• RFM- REQUEST FOR MATERIAL PRICES FORM USED TO REQUEST PRICES FOR MATERIALS FROM A SUPPLIER. Get help with lien waivers, preliminary notices, lien rights, pay apps, and more. Expert, curated, and free Illinois construction payment help is here. If you need assistance in obtaining construction sand and aggregate in Illinois, request your price quotes here! Below is a list of forms and information that may be required to complete a Request for Proposal Response. Below is a list of forms and information that may be required to complete a Request for Proposal Response. Forms should be downloaded to your computer before filling in the fields. We apologize if this checklist doesn't meet your needs.