Z1FB - MAINTENANCE OF RECREATIONAL BUILDINGS

Z1FE - MAINTENANCE OF RELIGIOUS FACILITIES

Z1GZ - MAINTENANCE OF OTHER WAREHOUSE BUILDINGS

Z1HZ - MAINTENANCE OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) ENVIRONMENTAL LABORATORIES

Z1JB - MAINTENANCE OF TESTING AND MEASUREMENT BUILDINGS

Z1JZ - MAINTENANCE OF MISCELLANEOUS BUILDINGS

Z1MA - MAINTENANCE OF EPG FACILITIES - COAL

Z1MB - MAINTENANCE OF EPG FACILITIES - GAS

Z1MC - MAINTENANCE OF EPG FACILITIES - GEOTHERMAL

Z1NB - MAINTENANCE OF HEATING AND COOLING PLANTS

Z1QA - MAINTENANCE OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)

Z2AB - REPAIR OR ALTERATION OF CONFERENCE SPACE AND FACILITIES

Z2AZ - REPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS

Z2CA - REPAIR OR ALTERATION OF SCHOOLS

Z2CZ - REPAIR OR ALTERATION OF OTHER EDUCATIONAL BUILDINGS

Z2DB - REPAIR OR ALTERATION OF LABORATORIES AND CLINICS

Z2DZ - REPAIR OR ALTERATION OF OTHER HOSPITAL BUILDINGS

Z2EZ - REPAIR OR ALTERATION OF OTHER INDUSTRIAL BUILDINGS

Z2FE - REPAIR OR ALTERATION OF RELIGIOUS FACILITIES

Z2GC - REPAIR OR ALTERATION OF FUEL STORAGE BUILDINGS

Z2GZ - REPAIR OR ALTERATION OF OTHER WAREHOUSE BUILDINGS

Z2HZ - REPAIR OR ALTERATION OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) ENVIRONMENTAL LABORATORIES

Z2JB - REPAIR OR ALTERATION OF TESTING AND MEASUREMENT BUILDINGS

Z2JZ - REPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS

Z2LZ - REPAIR OR ALTERATION OF PARKING FACILITIES

Z2MA - REPAIR OR ALTERATION OF EPG FACILITIES - COAL

Z2MB - REPAIR OR ALTERATION OF EPG FACILITIES - GAS

Z2MC - REPAIR OR ALTERATION OF EPG FACILITIES - GEOTHERMAL

Z2NB - REPAIR OR ALTERATION OF HEATING AND COOLING PLANTS