PART A. III MATERIAL CONTROL A. ENGINEERING DEPARTMENT - FIELD GROUP B, ENGINEERING DEPARTMENT - DESIGN GROUP C, PURCHASING DEPARTMENT - TRAFFIC CONTROL ENGINEERING DEPARTMENT - FIELD GROUP l. It shall be the responsibility of Field Engineering Groups to as- certain material requirements in accordance with the scope and vol- ume of work to be accomplished. (a) These requirements shall be forecast in sufficient time to allow for purchase and delivery to location of operations. (b) Standard stores stock, repair, maintenance, and subsistence (c) items shall not be ordered in excess of amounts normally required for a ninety-day operational period. Amounts of materials ordered shall not exceed the storage facilities required for same. (1) B. Prorated and retarded delivery schedules shall be indicated wherever necessary for field operations. (a) Material requisition files shall be maintained and referred to for formulating daily, weekly, monthly, and yearly use and consumption requirements on all items of continuous stock use. (e) Standard stock levels shall be maintained for emergency, whenever necessary to practical performance of work scope. (f) Formal cancellation of field material requisitions shall be accomplished immediately upon decision to effect same. ENGINEERING DEPARTMENT - DESIGN GROUP lL. Advance ordering shall be initiated wherever possible on all priority items of special design or manufacture. (a) This shall apply to critical items in short supply through commercial supply channels and also to items of long term . 13-49