Rehabilitation and Maintenance of Internal Roads (Construction of stone retaining walls, concrete shoulders, and tree planting) - Dura SRJCP-1.1-11-502840-1/1: Multi-package framework agreement, number: Package 1: Supply of steel, number. Package 2: Supply of ready-mix concrete, number. Package 3: Supply of construction materials and base course, number. Package 4: Supply of traffic signs and safety equipment, number.