Webschedule of pay items (sopi): A part of the proposal book which shows pay items, quantities, and pay units for the contract. Posted with notice to contractors. Webrequests for new pay items should be submitted to cessupport@indot. in. gov prior to stage 3 plans. All requests for new unique pay items. Webschedule of pay items (sopi): A part of the proposal book which shows pay items, quantities, and pay units for the contract. Posted with notice to contractors. Weba prime must pay a subcontractor, supplier or hauler within ten days of being paid. The prime must report these payments by the 10th of the next month in the spt system. Webindex of pay items pay item section 1156 drilled hole. Webindot pay items and specs.