Building Classes of Construction Applicable DOAS Frame Floor Roof Walls Fire Standard Type Structural steel Resistive” columns and “Fire Formed beams, concrete, precast Nonbearing curtain NFPA 220 Type I or fireproofed with Concrete or slabs, concrete walls, masonry, II A masonry, concrete on steel None or gypsum on concrete, metal and concrete, plaster, deck, fireproofed steel deck, glass panels, stone SBC Type I or II or other fireproofed noncombustible IBC , IB or IIA material Resistive” “Fire Reinforced Formed concrete concrete, precast Nonbearing curtain Concrete or Type 4 NFPA 220 Type I or columns and slabs, concrete walls, masonry, B concrete on steel or II beams; or gypsum on concrete, metal and deck, fireproofed Type 6 steel deck, glass panels, stone SBC Type I or II construction fireproofed IBC , IB or IIA Masonry or concrete “Ordinary” walls Wood or NFPA 220 Type III with or without concrete concrete plank Wood or steel pilasters; block, or tile on steel floor joists with wood SBC Type V C masonry or masonry tilt-up, Type 2 joists, or or steel deck; concrete walls formed concrete, concrete slab on concrete plank IBC Type IIIA or IIIB with steel, fire curtain walls grade retardant treated wood (FRTW) or concrete frame and “Frame” “Heavy Wood or steel Timber’ studs in bearing Wood or Almost any Wood or Type 1 wall, wood frame, floor joists or material, generally NFPA 220 Type V & D joists with wood Or primarily concrete slab on combustible Type IV (Timbers) or steel deck Type 7 combustible grade construction SBC Type III or VI construction IBC Type IV, VA, VB “Non-Combustible” Metal bents, Steel deck on skin or columns, girders, steel floor joists, Steel deck on sandwich panels; NFPA 220 Type II S purlins, and girts; Type 3 or concrete slab steel joists generally noncombustible SBC Type IV on grade noncombustible construction IBC Type IIB
Building Classes of Construction Frame Floor Roof Walls Applicable Fire Standard DOAS Type A Structural steel columns and beams, fireproofed with masonry, concrete, plaster, or other noncombustible material Concrete or concrete on steel deck, fireproofed Formed concrete, precast slabs, concrete or gypsum on steel deck, fireproofed Nonbearing curtain walls, masonry, concrete, metal and glass panels, stone “Fire Resistive” NFPA 220 Type I or II SBC Type I or II IBC , IB or IIA None B Reinforced concrete columns and beams; construction Concrete or concrete on steel deck, fireproofed Formed concrete, precast slabs, concrete or gypsum on steel deck, fireproofed Nonbearing curtain walls, masonry, concrete, metal and glass panels, stone “Fire Resistive” NFPA 220 Type I or II SBC Type I or II IBC , IB or IIA Type 4 or Type 6 C Masonry or concrete walls with or without pilasters; masonry or concrete walls with steel, fire retardant treated wood (FRTW) or concrete frame Wood or concrete plank on steel floor joists, or concrete slab on grade Wood or steel joists with wood or steel deck; concrete plank concrete block, or tile masonry tilt-up, formed concrete, curtain walls “Ordinary” NFPA 220 Type III SBC Type V IBC Type IIIA or IIIB Type 2 D Wood or steel studs in bearing wall, wood frame, primarily combustible construction Wood or floor joists or concrete slab on grade Wood or joists with wood or steel deck Almost any material, generally combustible construction “Frame” and “Heavy Timber’ NFPA 220 Type V & Type IV (Timbers) SBC Type III or VI IBC Type IV, VA, VB Type 1 Or Type 7 S Metal bents, columns, girders, purlins, and girts; noncombustible construction Steel deck on steel floor joists, or concrete slab on grade Steel deck on steel joists skin or sandwich panels; generally noncombustible “Non-Combustible” NFPA 220 Type II SBC Type IV IBC Type IIB Type 3
dp_for_cm_-_form_of_contract_version_april_2018.docx