Specifications include, but are not limited to: Delivery Requirements: Delivery of material must be coordinated with respective location. Delivery coordination must take place at least two (2) business days prior to delivery, holidays excluded. Delivery must take place between the hours of 7:00 a.m. and 3:30 p.m. upon designated delivery day. No deliveries shall be made without an NDOT representative present. Delivery ticket or invoice must be signed by both delivery driver and NDOT representative to be approved for payment. Failure to obtain both signatures may result in non-payment of delivery. Material delivered will be visually assessed for gradation, color, and observable debris at the time of delivery and corroborated between the delivery driver and NDOT representative present at time of delivery. Any deficiencies will be noted on delivery ticket or invoice alongside required signatures. If material is rejected for cause by NDOT representative, material must be returned to source at vendor’s expense. Delivery will not be allowed.