312 Appendix 1
Synthetic SYN
System SYS
Ton T
Tread T, TR
Tangent TAN
Tar and Gravel T&G
Tongue and Groove T&G
Top of Beam TB
Towel Bar TB
Terra Cotta TC
Time-delay Fuse TDF
Technical TECH
Telephone TEL
Temperature TEMP
Thermometer TH
Thick(ness) THK
Threshold THOLD, THR
Thermostat THRM, TSTAT
Through THRU
Tackboard TKBD
Tackstrip TKS
True North TN
Top of Beam TOB
Top of Curb TOC
Top of Footing TOF
Toilet TOIL
Tolerance TOL
Top of Parapet TOP
Topography TOPO
Toilet Paper Dispenser TPD
Toilet Partition TPTN
Transition TR
Transom TR, TRANS
Transformer TRANS
Track, Truck TRK
Tensile Strength TS
Top of Slab TS, TSL
Top of Steel TST
Tubing TUB
Television TV
Top of Wall TW
Typical TYPTerrazzo TZ
U.S. Department of Housing &
Urban Development HUD
Urinal U, UR
Uniform Building Code UBC
Undercut UC
Under Floor UF
Underground feeder (Electrical) UF
Unit Heater UH
Underwriter's Laboratories UL
Unexcavated UNEX, U-EXC
Unfinished UNF, UNFIN
Uniform UNIF
Unless Noted Otherwise UNO
Utility UTIL
Valve V
Vent Line V
Volt V
Variable Air Volume VAR, VAV
Varnish VAR
Vinyl Asbestos Tile VAT
Vapor Barrier VB
Vinyl Base VB
Vitreous Clay Tile VCT
Velocity VEL
Ventilation, Ventilator VENT
Vertical VERT
Vinyl Fabric VF
Vertical Grain VG
Verify In Field VIF
Vinyl VIN
Vitreous VIT
V-joint (ed) VJ
Veneer VNR
Volume VOL
Vent Pipe VP
Vapor Retarder VR
Voltage Regulator VR
Vermiculite VRM
Vent Stack VS
Vinyl Tile VT
Vent Through Roof VTR