H156 - QUALITY CONTROL- CONSTRUCTION AND BUILDING MATERIALS

Y1AB - CONSTRUCTION OF CONFERENCE SPACE AND FACILITIES

Y1AZ - CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS

Y1BG - CONSTRUCTION OF ELECTRONIC AND COMMUNICATIONS FACILITIES

Y1CA - CONSTRUCTION OF SCHOOLS

Y1CZ - CONSTRUCTION OF OTHER EDUCATIONAL BUILDINGS

Y1DA - CONSTRUCTION OF HOSPITALS AND INFIRMARIES

Y1DB - CONSTRUCTION OF LABORATORIES AND CLINICS

Y1DZ - CONSTRUCTION OF OTHER HOSPITAL BUILDINGS

Y1EB - CONSTRUCTION OF MAINTENANCE BUILDINGS

Y1EC - CONSTRUCTION OF PRODUCTION BUILDINGS

Y1EZ - CONSTRUCTION OF OTHER INDUSTRIAL BUILDINGS

Y1FB - CONSTRUCTION OF RECREATIONAL BUILDINGS

Y1FD - CONSTRUCTION OF DINING FACILITIES

Y1FE - CONSTRUCTION OF RELIGIOUS FACILITIES

Y1FZ - CONSTRUCTION OF OTHER RESIDENTIAL BUILDINGS

Y1GZ - CONSTRUCTION OF OTHER WAREHOUSE BUILDINGS

Y1JA - CONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS

Y1JZ - CONSTRUCTION OF MISCELLANEOUS BUILDINGS