913-91313 CONSTRUCTION, BRIDGE AND DRAWBRIDGE, INCLUDING RECONSTRUCTION AND REHABILITATION | 913-91366 Maintenance And Repair, Bridges | 925-92500 Engineering Services, Professional | 925-92517 Civil Engineering | 925-92537 FACILITIES DESIGN ENGINEERING | 925-92544 GENERAL CONSTRUCTION: MANAGEMENT, SCHEDULING, COST ESTIMATION ENGINEERING | 925-92549 HIGHWAYS, STREETS, AIRPORT PAY-PARKING LOTS ENGINEERING | 925-92555 INSPECTING, GENERAL ENGINEERING | 925-92567 Mechanical Engineering | 925-92588 Structural Engineering | 938-93831 ENGINEERING AND SURVEYING EQUIPMENT, DRAWING INSTRUMENTS, ETC., INCLUDING PHOTOGRAMMETRY EQUIPMENT MAINTENANCE AND REPAIR | C-00120 BRIDGE WORK - VIADUCTS, REFRAMING WALLS, END FOUND | C-00130 BRIDGE REPAIRS | C-00670 HIGHWAY AND SIGN LIGHTING | C-02060 CONSTRUCTION MANAGEMENT