Standard Abbreviations and Symbols AB Anchor bolts ASSY Assembly Btu British thermal unit C Celcius C.O. Change order C/C Center to center CIF Contract information form CL Center line CONC. Concrete COL. Column COLL. Collateral CPU Customer pick-up CS Clear span DET Detail dB Decibel DIM. Dimension DSD Double sliding door DWG Drawing EH (E.H.) Eave height ES Eave strut EW Endwall F Fahrenheit FFL (F.F.L.) Finished floor level FO (F.O.) Framed opening FNB Fin neck bolt HSB High strength bolt (ASTM A325) INT Internal or Interior KD Knocked-down K Kelvin kg/cm Kilogram per square centimeter kg/m Kilogram per cubic meter km/h Kilometer per hour kN Kilonewton kN/m Kilonewton per square meter L Length L/C Letter of credit LG Long LT Lean-To m Meter M.T. Metric ton MAX. (max.) Maximum MG Multi-Gable MIN. (min.) Minimum mm Millimeter MR Monorail crane MB Mild steel bolt or machine bolt N Newton NS/FS Near side / Far side OA Overall OC (O.C) On center O/O Out-to-out P & B Post-and-beam PL Plate REV. Revision RF (R.F.) Rigid frame RUD Roll-up door SBO (S.B.O.) Special buy out SDS Self drilling screw SF Space frame SI International system of units SS Single Slope SSD Single sliding door STD. Standard STS Self tapping screw SV Space Saver SW Sidewall TC Tempcon panel THK (T) Thickness TRC Top running crane TYP Typical TYP UN Typical unless noted UHC Underhung crane W Watt or width W/ With W/O Without WG Weatherguard (Panel) Wt. Weight ZS Zamil Steel? Standard Colors and Finishes AB Arabian Beige BB Bronze Brown CG Cactus Green DG Desert Gold FW Frost White PVF2 Polyvinylidene Flouride SB Shasta Blue TC Terra Cotta XPD Exterior Premium Durability XRW Exterior Roofing and Walling XSE Exterior S...