Appendix B. Classification Systems Table B.1 Site Classes (from the 1997 NEHRP Provisions) Site Class Site Class Description Shear Wave Velocity (m/sec) Minimum Maximum A HARD ROCK Eastern United States sites only 1500 B ROCK 760 1500 C VERY DENSE SOIL AND SOFT ROCK Untrained shear strength us > 2000 psf (us > 100 kPa) or N > 50 blows/ft 360 760 D STIFF SOILS Stiff soil with undrained shear strength 1000 psf < us < 2000 psf (50 kPa < us < 100 kPa) or 15 < N < 50 blows/ft 180 360 E SOFT SOILS Profile with more than 10 ft (3 m) of soft clay defined as soil with plasticity index PI > 20, moisture content w > 40% and undrained shear strength us < 1000 psf (50 kPa) (N < 15 blows/ft) 180 F SOILS REQUIRING SITE SPECIFIC EVALUATIONS 1. Soils vulnerable to potential failure or collapse under seismic loading: e.g. liquefiable soils, quick and highly sensitive clays, collapsible weakly cemented soils. 2. Peats and/or highly organic clays (10 ft (3 m) or thicker layer) 3. Very high plasticity clays: (25 ft (8 m) or thicker layer with plasticity index >75) 4. Very thick soft/medium stiff clays: (120 ft (36 m) or thicker layer) Hazus-MH User’s Manual Table B.2 Structural Building Classifications (Model Building Types) No. Label Description Height Range Typical Name Stories Stories Feet 1 2 W1 W2 Wood, Light Frame (. 5,000 sq. ft.) Wood, Greater than 5,000 sq. ft. 1 -2 All 1 2 14 24 3 4 5 S1L S1M S1H Steel Moment Frame Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 13 24 60 156 6 7 8 S2L S2M S2H Steel Braced Frame Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 13 24 60 156 9 S3 Steel Light Frame All 1 15 10 11 12 S4L S4M S4H Steel Frame with Cast-in-Place Concrete Shear Walls Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 13 24 60 156 13 14 15 S5L S5M S5H Steel Frame with Unreinforced Masonry Infill Walls Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 13 24 60 156 16 17 18 C1L C1M C1H Concrete Moment Frame Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 12 20 50 120 19 20 21 C2L C2M C2H Concrete Shear Walls Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 12 20 50 120 22 23 24 C3L C3M C3H Concrete Frame with Unreinforced Masonry Infill Walls Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 12 20 50 120 25 PC1 Precast Concrete Tilt-Up Walls All 1 15 26 27 28 PC2L PC2M PC2H Precast Concrete Frames with Concrete Shear Walls Low-Rise Mid-Rise High-Rise 1 -3 4 -7 8+ 2 5 12 20 50 120 29 30 RM1L RM2M Reinforced Masonry Bearing Wall s with Wood or Metal Deck Diaphragms Low-Rise Mid-Rise 1-3 4+ 2 5 20 50 Appendix B. Classification Systems. 31 RM2L Reinforced Masonry Bearing Wall s Low-Rise 1 -3 2 20 32 RM2M with Precast Concrete Diaphragms Mid-Rise 4 -7 5 50 33 RM2H High-Rise 8+ 12 120 34 35 URML URMM Unreinforced Masonry Bearing Walls Low-Rise Mid-Rise 1 -2 3+ 1 3 15 35 36 MH Mobile Homes All 1 10 Table B.3 Building Occupancy Classes Label Occupancy Class Example Descriptions Residential RES1 Single Family Dwelling House RES2 Mobile Home Mobile Home RES3 Multi Family Dwelling RES3A Duplex RES3B 3-4 Units RES3C 5-9 Units RES3D 10-19 Units RES3E 20-49 Units RES3F 50+ Units Apartment/Condominium RES4 Temporary Lodging Hotel/Motel RES5 Institutional Dormitory Group Housing (military, college), Jails RES6 Nursing Home Commercial COM1 Retail Trade Store COM2 Wholesale Trade Warehouse COM3 Personal and Repair Services Service Station/Shop Hazus-MH User’s Manual COM4 Professional/Technical Services Offices COM5 Banks COM6 Hospital COM7 Medical Office/Clinic COM8 Entertainment & Recreation Restaurants/Bars COM9 Theaters Theaters COM10 Parking Garages Industrial IND1 Heavy Factory IND2 Light Factory IND3 Food/Drugs/Chemicals Factory IND4 Metals/Minerals Processing Factory IND5 High Technology Factory IND6 Construction Office Agriculture AGR1 Agriculture Religion/Non/Profit REL1 Church/Non-Profit Government GOV1 General Services Office GOV2 Emergency Response Police/Fire Station/EOC Education EDU1 Grade Schools Appendix B. Classification Systems. EDU2Colleges/UniversitiesDoesnotincludegrouphousing Table B.4 Essential Facilities Classification Label Occupancy Class Description Medical Care Facilities EFHS Small Hospital Hospital with less than 50 Beds EFHM Medium Hospital Hospital with beds between 50 & 150 EFHL Large Hospital Hospital with greater than 150 Beds EFMC Medical Clinics Clinics, Labs, Blood Banks Emergency Response EFFS Fire Station EFPS Police Station EFEO Emergency Operation Centers Schools EFS1 Grade Schools Primary/ High Schools EFS2 Colleges/Universities Table B.5 High Potential Loss Facilities Classification Label Description Dams HPDE Earth HPDR Rock fill HPDG Gravity HPDB Buttress Hazus-MH User’s Manual HPDA Arch HPDU Multi-Arch HPDC Concrete HPDM Masonry HPDS Stone HPDT Timber Crib HPDZ Miscellaneous Nuclear Power Facilities HPNP Nuclear Power Facilities Military Installations HPMI Military Installations Appendix B. Classification Systems. Table B.6 Highway System Classification Label Description Highway Roads HRD1 Major Roads HRD2 Urban Roads Highway Bridges HWB1 Major Bridge -Length > 150m (Conventional Design) HWB2 Major Bridge -Length > 150m (Seismic Design) HWB3 Single Span – (Not HWB1 or HWB2) (Conventional Design) HWB4 Single Span – (Not HWB1 or HWB2) (Seismic Design) HWB5 Concrete, Multi-Column Bent, Simple Support (Conventional Design), Non-California (Non-CA) HWB6 Concrete, Multi-Column Bent, Simple Support (Conventional Design), California (CA) HWB7 Concrete, Multi-Column Bent, Simple Support (Seismic Design) HWB8 Continuous Concrete, Single Column, Box Girder (Conventional Design) HWB9 Continuous Concrete, Single Column, Box Girder (Seismic Design) HWB10 Continuous Concrete, (Not HWB8 or HWB9) (Conventional Design) HWB11 Continuous Concrete, (Not HWB8 or HWB9) (Seismic Design) HWB12 Steel, Multi-Column Bent, Simple Support (Conventional Design), Non-California (Non-CA) HWB13 Steel, Multi-Column Bent, Simple Support (Conventional Design), California (CA) HWB14 Steel, Multi-Column Bent, Simple Support (Seismic Design) HWB15 Continuous Steel (Conventional Design) HWB16 Continuous Steel (Seismic Design) HWB17 PS Concrete Multi-Column Bent, Simple Support -(Conventional Design), Non-California HWB18 PS Concrete, Multi-Column Bent, Simple Support (Conventional Design), California (CA) HWB19 PS Concrete, Multi-Column Bent, Simple Support (Seismic Design) HWB20 PS Concrete, Single Column, Box Girder (Conventional Design) Hazus-MH User’s Manual HWB21 PS Concrete, Single Column, Box Girder (Seismic Design) HWB22 Continuous Concrete, (Not HWB20/HWB21) (Conventional Design) HWB23 Continuous Concrete, (Not HWB20/HWB21) (Seismic Design) HWB24 Same definition as HWB12 except that the bridge length is less than 20 meters HWB25 Same definition as HWB13 except that the bridge length is less than 20 meters HWB26 Same definition as HWB15 except that the bridge length is less than 20 meters and Non-CA HWB27 Same definition as HWB15 except that the bridge length is less than 20 meters and in CA HWB28 All other bridges that are not classified (including wooden bridges) Highway Tunnels HTU1 Highway Bored/Drilled Tunnel HTU2 Highway Cut and Cover Tunnel Table B.7 Railway System Classification Label Description RTR1 RLB1 RLB2 RLB3 RLB4 RLB5 RLB6 Railway Tracks Railway Tracks Railway Bridges Steel, Multi-Column Bent, Simple Support (Conventional Design), Non- California (Non-CA) Steel, Multi-Column Bent, Simple Support (Conventional Design), California (CA) Steel, Multi-Column Bent, Simple Support (Seismic Design) Continuous Steel (Conventional Design) Continuous Steel (Seismic Design) Same definition as HWB1 except that the bridge length is less than 20 meters Appendix B. Classification Systems. RLB7 RLB8 RLB9 RLB10 RST Same definition as HWB2 except that the bridge length is less than 20 meters Same definition as HWB4 except that the bridge length is less than 20 meters and Non-CA Same definition as HWB5 except that the bridge length is less than 20 meters and in CA All other bridges that are not classified Railway Urban Station Rail Urban Station (with all building type options enabled) Railway Tunnels RTU1 Rail Bored/Drilled Tunnel RTU2 Rail Cut and Cover Tunnel Railway Fuel Facility RFF Rail Fuel Facility (different combinations for with or without anchored components and/or with or without backup power) Railway Dispatch Facility RDF Rail Dispatch Facility (different combinations for with or without anchored components and/or with or without backup power) Railway Maintenance Facility RMF Rail Maintenance Facility (with all building type options enabled) Hazus-MH User’s Manual Table B.8 Light Rail System Classification Label Description Light Rail Tracks LTR1 Light Rail Track Light Rail Bridges LRB1 Steel, Multi-Column Bent, Simple Support (Conventional Design), Non- California (Non-CA) LRB2 Steel, Multi-Column Bent, Simple Support (Conventional Design), California (CA) LRB3 Steel, Multi-Column Bent, Simple Support (Seismic Design) LRB4 Continuous Steel (Conventional Design) LRB5 Continuous Steel (Seismic Design) LRB6 Same definition as HWB1 except that the bridge length is less than 20 meters LRB7 Same definition as HWB2 except that the bridge length is less than 20 meters LRB8 Same definition as HWB4 except that the bridge length is less than 20 meters and Non-CA LRB9 Same definition as HWB5 except that the bridge length is less than 20 meters and in CA LRB10 All other bridges that are not classified Light Rail Tunnels Appendix B. Classification Systems. LTU1 Light Rail Bored/Drilled Tunnel LTU2 Light Rail Cut and Cover Tunnel DC Substation LDC1 Light Rail DC Substation w/ Anchored Sub-Components LDC2 Light Rail DC Substation w/ Unanchored Sub-Components Dispatch Facility LDF Light Rail Dispatch Facility (different combinations for with or without anchored components and/or with or without backup power) Maintenance Facility LMF Maintenance Facility (with all building type options enabled) Hazus-MH User’s Manual Table B.9 Bus System Classification Label Description Bus Urban Station BPT Bus Urban Station (with all building type options enabled) Bus Fuel Facility BFF Bus Fuel Facility (different combinations for with or without anchored components and/or with or without backup power) Bus Dispatch Facility BDF Bus Dispatch Facility (different combinations for with or without anchored components and/or with or without backup power) Bus Maintenance Facility BMF Bus Maintenance Facilities (with all building type options enabled) Appendix B. Classification Systems. Table B.10 Port and Harbor System Classification Label Description Waterfront Structures PWS Waterfront Structures Cranes/Cargo Handling Equipment PEQ1 Stationary Port Handling Equipment PEQ2 Rail Mounted Port Handling Equipment Warehouses PWH Port Warehouses (with all building type options enabled) Fuel Facility PFF Port Fuel Facility Facility (different combinations for with or without anchored components and/or with or without backup power) Hazus-MH User’s Manual Table B.11 Ferry System Classification Label Description Water Front Structures FWS Ferry Waterfront Structures Ferry Passenger Terminals FPT Passenger Terminals (with all building type options enabled) Ferry Fuel Facility FFF Ferry Fuel Facility (different combinations for with or without anchored components and/or with or without backup power) Ferry Dispatch Facility FDF Ferry Dispatch Facility (different combinations for with or without anchored components and/or with or without backup power) Ferry Maintenance Facility FMF Piers and Dock Facilities (with all building type options enabled) Appendix B. Classification Systems. Table B.12 Airport System Classification Label Description Airport Control Towers ACT Airport Control Tower (with all building type options enabled) Airport Terminal Buildings ATB Airport Terminal Building (with all building type options enabled) Airport Parking Structures APS Airport Parking Structure (with all building type options enabled) Fuel Facilities AFF Airport Fuel Facility (different combinations for with or without anchored components and/or with or without backup power) Airport Maintenance & Hangar Facility AMF Airport Maintenance & Hangar Facility (with all building type options enabled) ARW Airport Runway Airport Facilities -Others AFO Gliderport, Seaport, Stolport, Ultralight or Baloonport Facilities AFH Heliport Facilities Hazus-MH User’s Manual Table B.13 Potable Water System Classification Label Description Pipelines PWP1 Brittle Pipe PWP2 Ductile Pipe Pumping Plants PPPL Large Pumping Plant ( > 50 MGD ) [different combinations for with or without anchored components] PPPM Medium Pumping Plant ( 10 to 50 MGD ) [different combinations for with or without anchored components] PPPS Small Pumping Plant ( < 10 MGD ) [different combinations for with or without anchored components] Wells PWE Wells Water Storage Tanks (Typically, 0.5 MGD to 2 MGD) PSTAS Above Ground Steel Tank PSTBC Buried Concrete Tank PSTGC On Ground Concrete Tank PSTGS On Ground Steel Tank PSTGW On Ground Wood Tank Water Treatment Plants PWTL Large WTP ( > 200 MGD ) [different combinations for with or without anchored components] PWTM Medium WTP ( 50-200 MGD ) [different combinations for with or without anchored components] PWTS Small WTP ( < 50 MGD ) [different combinations for with or without anchored components] Appendix B. Classification Systems. B-17 Hazus-MH User’s Manual Table B.14 Waste Water System Classification Label Description Buried Pipelines WWP1 Brittle Pipe WWP2 Ductile Pipe Waste Water Treatment Plants WWTL Large WWTP ( > 200 MGD ) [different combinations for with or without anchored components] WWTM Medium WWTP ( 50-200 MGD ) [different combinations for with or without anchored components] WWTS Small WWTP ( < 50 MGD ) [different combinations for with or without anchored components] Lift Stations WLSL Large Lift Stations ( > 50 MGD ) [different combinations for with or without anchored components] WLSM Medium Lift Stations ( 10 MGD -50 MGD) [different combinations for with or without anchored components] WLSS Small Lift Stations ( < 10 MGD ) [different combinations for with or without anchored components] Appendix B. Classification Systems. Table B.5 Oil System Classification Label Description Pipelines OIP1 Welded Steel Pipe with Gas Welded Joints OIP2 Welded Steel Pipe with Arc Welded Joints Refineries ORFL Large Refinery ( > 500,000 lb./day ) [different combinations for with or without anchored components] ORFM Medium Refinery ( 100,000 -500,000 lb./ day) [different combinations for with or without anchored components] ORFS Small Refinery ( < 100,000 lb./day ) [different combinations for with or without anchored components] Pumping Plants OPP Pumping Plant [different combinations for with or without anchored components] Tank Farms OTF Tank Farms with Anchored Tanks [different combinations for with or without anchored components] Table B.16 Natural Gas System Classification Label Description Buried Pipelines NGP1 Welded Steel Pipe with Gas Welded Joints NGP2 Welded Steel Pipe with Arc Welded Joints Compressor Stations NGC Compressor Stations [different combinations for with or without anchored components] Hazus-MH User’s Manual Table B.17 Electric Power System Classification Label Description Transmission Substations ESSL Low Voltage (115 KV) Substation [different combinations for with or without anchored components] ESSM Medium Voltage (230 KV) Substation [different combinations for with or without anchored components] ESSH High Voltage (500 KV) Substation [different combinations for with or without anchored components] Distribution Circuits EDC Distribution Circuits (either Seismically Designed Components or Standard Components) Generation Plants EPPL Large Power Plants ( > 500 MW ) [different combinations for with or without anchored components] EPPM Medium Power Plants ( 100 -500 MW ) [different combinations for with or without anchored components] EPPS Small Power Plants ( < 100 MW ) [different combinations for with or without anchored components] Appendix B. Classification Systems. Table B.18 Communication Classification Label Description Central Offices CCO Central Offices (different combinations for with or without anchored components and/or with or without backup power) Stations or Transmitters CBR AM or FM radio stations or transmitters CBT TV stations or transmitters CBW Weather stations or transmitters CBO Other stations or transmitters Table B.19 Mapping of Standard Industrial Codes to NIBS Occupancy Classes Label Occupancy Class Standard Industrial Codes (SIC) Residential RES1 Single Family Dwelling RES2 Mobile Home RES3 Multi Family Dwelling RES4 Temporary Lodging 70 RES5 Institutional Dormitory RES6 Nursing Home 8051, 8052, 8059 Commercial COM1 Retail Trade 52, 53, 54, 55, 56, 57, 59 COM2 Wholesale Trade 42, 50, 51 COM3 Personal and Repair Services 72, 75, 76, 83, 88 COM4 Business/Professional/Technical Services 40, 41, 44, 45, 46, 47, 49, 61, 62, 63, 64, 65, 67, 73, 78 (except 7832), 81, 87, 89 COM5 Depository Institutions 60 COM6 Hospital 8062, 8063, 8069 COM7 Medical Office/Clinic 80 (except 8051, 8052, 8059, 8062, 8063, 8069) COM8 Entertainment & Recreation 48, 58, 79 (except 7911), 84 Hazus-MH User’s Manual COM9 Theaters 7832, 7911 COM10 Parking Industrial IND1 Heavy 22, 24, 26, 32, 34, 35 (except 3571, 3572), 37 IND2 Light 23, 25, 27, 30, 31, 36 (except 3671, 3672, 3674), 38, 39 IND3 Food/Drugs/Chemicals 20, 21, 28, 29 IND4 Metals/Minerals Processing 10, 12, 13, 14, 33 IND5 High Technology 3571, 3572, 3671, 3672, 3674 IND6 Construction 15, 16, 17 Agriculture AGR1 Agriculture 01, 02, 07, 08, 09 Religion/Non-Profit REL1 Church/Membership Organizations 86 Government GOV1 General Services 43, 91, 92 (except 9221, 9224) , 93, 94, 95, 96, 97 GOV2 Emergency Response 9221, 9224 Education EDU1 Schools/Libraries 82 (except 8221, 8222) EDU2 Colleges/Universities 8221, 8222 Appendix B. Classification Systems.