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Country: United States of America

国家：美利坚合众国

Architectural code and regulatory reference for projects within any US state, territory, or D.C. Activate this skill on any US city/state reference, USD currency, square feet / imperial units, mention of "IBC"/"IRC"/"IECC"/"NFPA"/"ASCE 7"/"ADA"/"Title 24"/"CalGreen"/"NYC BC", state building department/AHJ references, or LEED/ENERGY STAR.
适用于美国任何州、领地或华盛顿特区项目的建筑规范与法规参考资料。当提及美国城市/州相关内容、美元货币、平方英尺/英制单位、"IBC"/"IRC"/"IECC"/"NFPA"/"ASCE 7"/"ADA"/"Title 24"/"CalGreen"/"NYC BC"等关键词、州建筑部门/AHJ相关内容，或LEED/ENERGY STAR时，可激活此技能。

1. Regulatory Hierarchy

1. 法规层级体系

The US operates as Archetype B (National Model + State/Local Adoption) with significant local variation. There is no federal building code; the Authority Having Jurisdiction (AHJ) -- which may be the city, county, state, or special district -- decides which model code edition is in force and with what amendments.
美国采用B类模式（国家模型规范+州/地方采纳），各地差异显著。美国没有联邦层面的建筑规范；主管当局（AHJ，Authority Having Jurisdiction）——可能是市、县、州或特别行政区——决定生效的模型规范版本及修订内容。

1.1 Authority Stack

1.1 权限层级

LEVEL 1 -- MODEL CODE PUBLISHERS (no enforcement authority)
  International Code Council (ICC) -- IBC, IRC, IECC, IFC, IPC, IMC, IFGC, IEBC, IgCC, IWUIC
  National Fire Protection Association (NFPA) -- NFPA 101, 70, 13, 72, 285, 5000
  ASHRAE -- 90.1, 62.1, 55, 169, 189.1
  ASCE -- 7, 41
  ACI -- 318, 530, etc.
  AISC -- 360, 341, 358, 360
  AWS -- D1.1, D1.5
  AWC -- NDS, SDPWS
  TMS -- 402/602 masonry
  ANSI -- A117.1 accessibility, others
  ASTM -- material/test standards

LEVEL 2 -- FEDERAL APPLICABILITY (specific contexts)
  ADA 2010 Standards (Department of Justice) -- enforcement civil rights
  ABA Standards (GSA) -- federal facilities + recipients of federal funds
  Fair Housing Act design + construction (HUD) -- residential
  HUD Section 504 -- recipients of HUD funds
  IRS Energy Tax Credit (179D, 45L) -- referenced ASHRAE 90.1
  GSA P100 -- federal facilities standard
  DOD UFC -- military facilities
  NPS -- National Park Service properties

LEVEL 3 -- STATE
  State Building Code Council / DOR / Construction Department adopts model code edition
    + state amendments (e.g., California Building Standards Commission - Title 24)
  State Energy Office -- often state energy code (e.g., WA Energy Code)
  State Fire Marshal -- often state fire code
  State Architectural Access Board (e.g., Massachusetts MAAB)
  State Department of Health -- hospital codes (FGI Guidelines often adopted)
  State Department of Education -- school facility codes (CHPS, varies)

LEVEL 4 -- LOCAL AHJ
  City/County Building Department (Department of Buildings NYC, LADBS LA, etc.)
    + adopted code + local amendments
  Fire Marshal
  Public Works (right-of-way, utility connections)
  Planning Department (zoning, design review)
  Historic Preservation Commission (HPC) -- if in historic district

LEVEL 5 -- SPECIAL DISTRICTS
  School districts (own facility standards)
  Transit authorities (own design criteria)
  Universities/medical centers (often own building standards)
  Master-planned communities (HOA design review)
  Tribal authorities (sovereign on reservation land)
LEVEL 1 -- MODEL CODE PUBLISHERS (no enforcement authority)
  International Code Council (ICC) -- IBC, IRC, IECC, IFC, IPC, IMC, IFGC, IEBC, IgCC, IWUIC
  National Fire Protection Association (NFPA) -- NFPA 101, 70, 13, 72, 285, 5000
  ASHRAE -- 90.1, 62.1, 55, 169, 189.1
  ASCE -- 7, 41
  ACI -- 318, 530, etc.
  AISC -- 360, 341, 358, 360
  AWS -- D1.1, D1.5
  AWC -- NDS, SDPWS
  TMS -- 402/602 masonry
  ANSI -- A117.1 accessibility, others
  ASTM -- material/test standards

LEVEL 2 -- FEDERAL APPLICABILITY (specific contexts)
  ADA 2010 Standards (Department of Justice) -- enforcement civil rights
  ABA Standards (GSA) -- federal facilities + recipients of federal funds
  Fair Housing Act design + construction (HUD) -- residential
  HUD Section 504 -- recipients of HUD funds
  IRS Energy Tax Credit (179D, 45L) -- referenced ASHRAE 90.1
  GSA P100 -- federal facilities standard
  DOD UFC -- military facilities
  NPS -- National Park Service properties

LEVEL 3 -- STATE
  State Building Code Council / DOR / Construction Department adopts model code edition
    + state amendments (e.g., California Building Standards Commission - Title 24)
  State Energy Office -- often state energy code (e.g., WA Energy Code)
  State Fire Marshal -- often state fire code
  State Architectural Access Board (e.g., Massachusetts MAAB)
  State Department of Health -- hospital codes (FGI Guidelines often adopted)
  State Department of Education -- school facility codes (CHPS, varies)

LEVEL 4 -- LOCAL AHJ
  City/County Building Department (Department of Buildings NYC, LADBS LA, etc.)
    + adopted code + local amendments
  Fire Marshal
  Public Works (right-of-way, utility connections)
  Planning Department (zoning, design review)
  Historic Preservation Commission (HPC) -- if in historic district

LEVEL 5 -- SPECIAL DISTRICTS
  School districts (own facility standards)
  Transit authorities (own design criteria)
  Universities/medical centers (often own building standards)
  Master-planned communities (HOA design review)
  Tribal authorities (sovereign on reservation land)

1.2 Code Adoption Status (Selected States, 2024-2025)

1.2 规范采纳情况（部分州，2024-2025）

StateIBC AdoptedIECC AdoptedNotable Amendments
California2021 (with CA Title 24)Title 24 Part 6 (own energy code)Title 24 Parts 1-12; CALGreen Part 11; Tier 1/2 reach codes; Strong fire (WUI); seismic Cat C+
Texas2018-2021 varies by city (no statewide adoption)2015-2021 varies; mandatory through DSHS/SECOLocal amendments significant; Houston, Austin, Dallas distinct
FloridaFBC 2023 (own custom code; IBC 2021-derived)FBC Energy Conservation 2023High-Velocity Hurricane Zone (HVHZ) for Miami-Dade/Broward; wind speeds 175 mph 0.4%
New YorkNYS UBC 2020 + NYC has separate (NYC BC 2022 + 1968 grandfather + 2014 commercial)NYS Energy Code 2020 (90.1-2019 + adds)NYC has own zoning (Zoning Resolution 1961+amendments), NYC plumbing, NYC mechanical, NYC fuel gas
IllinoisNo statewide; Chicago has Chicago Construction Codes 2019 (IBC-based)--Chicago strict
Massachusetts9th Edition (2023, IBC 2021-derived) + amendmentsStretch Energy Code 2023Mass MAAB Accessibility ahead of ADA
PennsylvaniaUCC IBC 2018 (transitioning to 2021)IECC 2018 (transitioning)--
WashingtonWSBC 2021 (IBC 2021-derived)WSEC 2021 (own, most stringent in US)Seattle Energy Code stricter still
OregonOSSC 2022 (IBC 2021-derived)Oregon Energy Code--
ColoradoNo statewide; municipal--Denver/Boulder strict
ArizonaNo statewide; municipal----
GeorgiaIBC 2018 statewideIECC 2015 (lags)--
MichiganMBC 2015 (transitioning 2021)MUEC 2015--
OhioOBC 2017 (transitioning 2024)----
North CarolinaNCBC 2018 + LocalNCECC--
VirginiaUSBC 2018 (transitioning 2021)VUSBC--
ALWAYS verify current adoption status with the specific AHJ. ICC publishes a state-by-state matrix, but adoption can lag by years and local amendments significantly modify.
州采纳的IBC版本采纳的IECC版本重要修订内容
加利福尼亚州2021（含加州Title 24）Title 24第6部分（自有能源规范）Title 24第1-12部分；CALGreen第11部分；Tier 1/2进阶规范；严格防火要求（WUI野地-城市交界区）；抗震类别C+
德克萨斯州2018-2021版因城市而异（无全州统一版本）2015-2021版因城市而异；通过DSHS/SECO强制执行地方修订差异大；休斯顿、奥斯汀、达拉斯各有不同
佛罗里达州FBC 2023（自有定制规范；源自IBC 2021）FBC 2023节能规范迈阿密-戴德/布劳沃德县设高速飓风区（HVHZ）；设计风速175英里/小时（0.4%概率）
纽约州纽约州统一建筑规范2020 + 纽约市有独立规范（NYC BC 2022 + 1968版遗留条款 + 2014版商业条款）纽约州能源规范2020（基于90.1-2019+补充条款）纽约市有自有分区条例（1961年分区决议及修订案）、自有管道规范、机械规范、燃气规范
伊利诺伊州无全州统一版本；芝加哥采用2019版芝加哥建筑规范（基于IBC）--芝加哥要求严格
马萨诸塞州第9版（2023年，源自IBC 2021）+ 修订2023版进阶能源规范马萨诸塞州建筑无障碍委员会（MAAB）无障碍要求领先于ADA
宾夕法尼亚州统一建筑规范IBC 2018（过渡到2021版中）IECC 2018（过渡中）--
华盛顿州华盛顿州建筑规范2021（源自IBC 2021）华盛顿州能源规范2021（自有，美国最严格）西雅图能源规范更严格
俄勒冈州俄勒冈州结构规范2022（源自IBC 2021）俄勒冈州能源规范--
科罗拉多州无全州统一版本；各市自行采纳--丹佛/博尔德要求严格
亚利桑那州无全州统一版本；各市自行采纳----
佐治亚州全州采纳IBC 2018IECC 2015（滞后）--
密歇根州密歇根州建筑规范2015（过渡到2021版中）密歇根州统一能源规范2015--
俄亥俄州俄亥俄州建筑规范2017（过渡到2024版中）----
北卡罗来纳州北卡罗来纳州建筑规范2018 + 地方修订北卡罗来纳州能源规范--
弗吉尼亚州弗吉尼亚州统一建筑规范2018（过渡到2021版中）弗吉尼亚州统一建筑规范能源篇--
务必向具体的AHJ核实当前的规范采纳情况。ICC发布了各州的规范采纳矩阵，但采纳工作可能滞后数年，且地方修订会对规范内容产生重大调整。

2. IBC 2024 Core Requirements

2. IBC 2024核心要求

2.1 Occupancy Groups (IBC 2024 Ch. 3)

2.1 使用功能分组（IBC 2024第3章）

GroupDescriptionSubdivisions
AAssemblyA-1 (theatres, concert halls), A-2 (food/drink est), A-3 (worship, lectures, exhibits), A-4 (indoor sport), A-5 (outdoor)
BBusiness(offices, professional services, banks, post offices, etc.)
EEducational(through 12th grade -- university is B or A)
FFactory/IndustrialF-1 (moderate hazard), F-2 (low hazard)
HHigh HazardH-1 (detonation), H-2 (deflagration/accelerated burning), H-3 (oxidizers, combustibles), H-4 (toxic), H-5 (semiconductor fab)
IInstitutionalI-1 (supervised personal care), I-2 (hospitals/nursing), I-3 (detention -- I-3.1-5 by escape ability), I-4 (daycare)
MMercantile(retail, shopping centers, etc.)
RResidentialR-1 (transient -- hotel/motel), R-2 (multi-family >2 dwelling units, not transient), R-3 (1-2 family, not classified as R-1/2/4), R-4 (small assisted living 6-16 residents)
SStorageS-1 (moderate hazard), S-2 (low hazard)
UUtility / misc(sheds, fences, retaining walls, agricultural buildings)
组别说明细分类别
A集会类A-1（剧院、音乐厅）、A-2（餐饮场所）、A-3（宗教场所、讲座、展览）、A-4（室内运动）、A-5（室外）
B商务类（办公室、专业服务、银行、邮局等）
E教育类（12年级及以下——大学属于B类或A类）
F工厂/工业类F-1（中等危险）、F-2（低危险）
H高危险类H-1（爆炸危险）、H-2（爆燃/加速燃烧）、H-3（氧化剂、可燃物）、H-4（有毒物）、H-5（半导体制造）
I机构类I-1（有监护的个人护理）、I-2（医院/护理院）、I-3（拘留设施——按逃生能力分为I-3.1-5）、I-4（日托中心）
M商业类（零售、购物中心等）
R居住类R-1（暂住类——酒店/汽车旅馆）、R-2（多户住宅>2个单元，非暂住）、R-3（1-2户住宅，不属于R-1/2/4类）、R-4（小型 assisted living，6-16名住户）
S仓储类S-1（中等危险）、S-2（低危险）
U辅助/杂项类（棚屋、围栏、挡土墙、农业建筑）

2.2 Construction Types (IBC 2024 Table 601)

2.2 建筑结构类型（IBC 2024表601）

TypeDescriptionFrame Fire RatingExt. Bearing WallsFloorRoof
IANon-combustible fire-resistive3 hr3 hr2 hr1.5 hr
IBNon-combustible fire-resistive2 hr2 hr2 hr1 hr
IIANon-combustible protected1 hr1 hr1 hr1 hr
IIBNon-combustible unprotected0 hr0 hr0 hr0 hr
IIIAExterior non-combustible bearing + protected combustible1 hr2 hr1 hr1 hr
IIIBSame as IIIA but unprotected0 hr2 hr0 hr0 hr
IV-HTHeavy Timber (legacy, large members)HT2 hrHTHT
IV-AMass Timber (new in IBC 2021) up to 18 storeys3 hr fully encapsulated3 hr2 hr1.5 hr
IV-BMass Timber up to 12 storeys, partial exposure2 hr partially encapsulated2 hr2 hr1 hr
IV-CMass Timber up to 9 storeys, fully exposed2 hr exposed2 hr2 hr1 hr
VAProtected combustible (e.g., light wood frame)1 hr1 hr1 hr1 hr
VBUnprotected combustible0 hr0 hr0 hr0 hr
类型说明框架耐火极限外墙承重构件楼板屋顶
IA不燃耐火型3 hr3 hr2 hr1.5 hr
IB不燃耐火型2 hr2 hr2 hr1 hr
IIA不燃受保护型1 hr1 hr1 hr1 hr
IIB不燃无保护型0 hr0 hr0 hr0 hr
IIIA外墙不燃承重+可燃构件受保护1 hr2 hr1 hr1 hr
IIIB同IIIA但无保护0 hr2 hr0 hr0 hr
IV-HT重型木结构（传统大构件）HT2 hrHTHT
IV-A重型木结构（IBC 2021新增）最高18层3 hr全封装3 hr2 hr1.5 hr
IV-B重型木结构最高12层，部分暴露2 hr部分封装2 hr2 hr1 hr
IV-C重型木结构最高9层，完全暴露2 hr暴露2 hr2 hr1 hr
VA可燃构件受保护（如轻型木结构）1 hr1 hr1 hr1 hr
VB可燃构件无保护0 hr0 hr0 hr0 hr

2.3 Height & Area (IBC Table 504.3, 504.4, 506.2)

2.3 高度与面积限制（IBC表504.3、504.4、506.2）

A critical IBC table: maximum building height in storeys, height in feet, and area per storey by Occupancy Group + Construction Type. Sprinklers permit increases. Frontage area increase per Section 506.3. The table is too large to fully reproduce; key benchmarks:
CombinationMax Storeys (sprinklered)Max Ht (ft)Max Area/Storey (sf)
B (office) Type IA12 (unlimited area)unlimitedunlimited
B Type IB12180unlimited
B Type IIA68592,500
B Type IIB57569,000
B Type IIIA68557,500
R-2 Type IIA57536,000
R-2 Type IV-A (mass timber)18270108,000
R-2 Type IV-B1218072,000
R-2 Type IV-C88536,000
M (mercantile) Type IIB57587,500
IBC中非常关键的表格：根据使用功能分组+建筑结构类型，规定建筑的最大层数、最大高度（英尺）及每层最大面积。设置自动喷水灭火系统可放宽限制。临街面积增加可按第506.3条放宽。该表内容过多，无法完整呈现；关键基准值如下：
组合类型最大层数（设自动喷水灭火系统）最大高度（ft）每层最大面积（sf）
B类（办公）IA型结构12（面积不限）不限不限
B类IB型结构12180不限
B类IIA型结构68592,500
B类IIB型结构57569,000
B类IIIA型结构68557,500
R-2类IIA型结构57536,000
R-2类IV-A型（重型木结构）18270108,000
R-2类IV-B型1218072,000
R-2类IV-C型88536,000
M类（商业）IIB型结构57587,500

2.4 High-Rise (IBC 2024 Section 403)

2.4 高层建筑（IBC 2024第403节）

  • Definition: a building > 75 ft (22.86 m) above lowest level of fire department vehicle access
  • Requires: sprinklers throughout (NFPA 13), Class I standpipes, smoke control for high-rise lobbies/elevator hoistways, fire command centre, emergency power, voice/alarm communication system per NFPA 72, smokeproof enclosures for stair shafts (in some configurations), pressurized stairwells (variable per smoke management strategy)
  • Bonus: with full sprinklers, 1-hour reduction permitted for many fire-resistance ratings
  • 定义：建筑高度超过消防车辆最低接入面75 ft（22.86 m）的建筑
  • 要求：全楼设置自动喷水灭火系统（NFPA 13）、I类消防竖管、高层大堂/电梯井道控烟系统、消防指挥中心、应急电源、符合NFPA 72的语音/报警通信系统、防烟楼梯间（部分构型）、加压楼梯间（根据控烟策略有所不同）
  • 优惠政策：全楼设置自动喷水灭火系统时，许多耐火极限要求可降低1小时

2.5 Egress (IBC 2024 Ch. 10)

2.5 疏散设计（IBC 2024第10章）

ParameterValue
Min corridor width (>=50 occupants)44 in (1118 mm)
Min corridor width (<50 occupants)36 in (914 mm)
Min stair width (occupant load > 50)44 in (1118 mm)
Stair capacity unsprinklered0.3 in/person (7.62 mm)
Stair capacity sprinklered0.2 in/person (5.08 mm)
Min door clear width32 in (813 mm)
Max travel distance (B sprinklered)300 ft (91.4 m)
Max travel distance (B unsprinklered)200 ft (60.96 m)
Max travel distance (I-2 sprinklered)200 ft (60.96 m)
Max common path of travel (B sprinklered)100 ft (30.48 m)
Max common path of travel (B unsprinklered)75 ft (22.86 m)
Max dead-end (B sprinklered)50 ft (15.24 m)
Max dead-end (R sprinklered)50 ft
参数数值
最小走廊宽度（≥50人）44 in (1118 mm)
最小走廊宽度（<50人）36 in (914 mm)
最小楼梯宽度（人员荷载>50）44 in (1118 mm)
无自动喷水灭火系统楼梯疏散宽度指标0.3 in/人 (7.62 mm)
有自动喷水灭火系统楼梯疏散宽度指标0.2 in/人 (5.08 mm)
门最小净宽32 in (813 mm)
最大疏散距离（B类，设自动喷水灭火系统）300 ft (91.4 m)
最大疏散距离（B类，无自动喷水灭火系统）200 ft (60.96 m)
最大疏散距离（I-2类，设自动喷水灭火系统）200 ft (60.96 m)
最大公共行走距离（B类，设自动喷水灭火系统）100 ft (30.48 m)
最大公共行走距离（B类，无自动喷水灭火系统）75 ft (22.86 m)
最大袋形走道长度（B类，设自动喷水灭火系统）50 ft (15.24 m)
最大袋形走道长度（R类，设自动喷水灭火系统）50 ft

2.6 Means of Egress -- Number of Exits (IBC Table 1006.3.4)

2.6 疏散设施——出口数量（IBC表1006.3.4）

  • Most occupancies: 1 exit access OK if occupant load <= 49 AND common path <= limits AND a single exit on dwelling unit with proper provisions
  • 2 exits: 50-500 occupants typical
  • 3 exits: 501-1000
  • 4 exits: >1000
  • 多数使用功能：当人员荷载≤49人、公共行走距离符合限值、且住宅单元单出口符合相关规定时，可仅设1个出口通道
  • 2个出口：通常适用于50-500人
  • 3个出口：适用于501-1000人
  • 4个出口：适用于1000人以上

3. Fire Code

3. 消防规范

3.1 IFC 2024 + NFPA 101

3.1 IFC 2024 + NFPA 101

US uses both IFC (model fire code, ICC) and NFPA 101 Life Safety Code 2024 as supplementary. In some states, NFPA 101 is the primary (e.g., MA, hospitals nationally adopt NFPA 99 + 101). Check AHJ.
美国同时使用IFC（ICC发布的模型消防规范）和NFPA 101《生命安全规范》2024版作为补充。在部分州，NFPA 101是主要依据（例如马萨诸塞州，全国的医院均采纳NFPA 99 + 101）。具体以AHJ要求为准。

3.2 NFPA 13 (Sprinklers)

3.2 NFPA 13（自动喷水灭火系统）

NFPA 13:2025 (or current adopted) -- the design standard for sprinkler systems. Hazard classes Light, Ordinary 1-2, Extra 1-2. Density-area method.
NFPA 13:2025（或当前采纳版本）——自动喷水灭火系统的设计标准。危险等级分为轻危险级、普通危险级1-2级、严重危险级1-2级。采用密度-面积法设计。

3.3 NFPA 285 (Wall Assemblies)

3.3 NFPA 285（墙体组件）

The test method for combustible components in non-combustible wall assemblies. Often required for foam-insulated walls of Type I-IV buildings. Post-Grenfell-like incidents in US (Chicago 2010s, Las Vegas) drove tightening.
针对不燃墙体组件中可燃构件的测试方法。通常要求I-IV型建筑的泡沫保温墙体满足该标准。美国类似格伦费尔塔的事故（2010年代芝加哥、拉斯维加斯事故）推动了该标准的收紧。

3.4 Healthcare -- FGI Guidelines

3.4 医疗建筑——FGI指南

Although not in IBC, the Facility Guidelines Institute (FGI) Guidelines for Design and Construction of Hospitals 2022 is adopted by most state health departments as enforceable for hospital projects. Critical for room sizes, clearances, infection control.
虽然未纳入IBC，但**医疗设施指南协会（FGI）《2022年医院设计与建造指南》**已被大多数州卫生部门采纳，对医院项目具有强制约束力。对房间尺寸、净距、感染控制等方面至关重要。

4. Energy Code

4. 能源规范

4.1 IECC 2024 + ASHRAE 90.1-2022

4.1 IECC 2024 + ASHRAE 90.1-2022

US uses two parallel energy code regimes:
  • IECC 2024 Commercial Provisions OR ASHRAE 90.1-2022 (compliance via choice; ASHRAE permitted by IECC)
  • IECC 2024 Residential Provisions for low-rise residential (3 storeys or less)
  • States may adopt either; California has own Title 24 Part 6 (stricter than both)
美国采用两套并行的能源规范体系：
  • IECC 2024商业建筑条款 或 ASHRAE 90.1-2022（可二选一合规；IECC允许采用ASHRAE标准）
  • IECC 2024住宅建筑条款 适用于低层住宅（3层及以下）
  • 各州可任选其一采纳；加州有自己的Title 24第6部分（比两者都严格）

4.2 ASHRAE 169 Climate Zones (US)

4.2 ASHRAE 169气候分区（美国）

8 zones (1-8) + moisture sub-zones (A humid, B dry, C marine). Examples:
ZoneCityDescription
1AMiamiVery Hot Humid
2AHouston, Atlanta (margin), OrlandoHot Humid
2BPhoenix, TucsonHot Dry
3AMemphis, AtlantaWarm Humid
3BLos Angeles, BakersfieldWarm Dry
3CSan FranciscoWarm Marine
4AWashington DC, Philadelphia, NYCMixed Humid
4BAlbuquerqueMixed Dry
4CSeattle, Portland ORMixed Marine
5AChicago, Boston, DetroitCool Humid
5BDenverCool Dry
6AMinneapolisCold Humid
7International Falls MN, AnchorageVery Cold
8Fairbanks, Northern AlaskaSubarctic
共8个气候区（1-8）+ 湿度子区（A湿润、B干燥、C海洋性）。示例：
气候区代表城市说明
1A迈阿密极热湿润
2A休斯顿、亚特兰大（边缘）、奥兰多炎热湿润
2B菲尼克斯、图森炎热干燥
3A孟菲斯、亚特兰大温暖湿润
3B洛杉矶、贝克斯菲尔德温暖干燥
3C旧金山温暖海洋性
4A华盛顿特区、费城、纽约混合湿润
4B阿尔伯克基混合干燥
4C西雅图、俄勒冈州波特兰混合海洋性
5A芝加哥、波士顿、底特律凉爽湿润
5B丹佛凉爽干燥
6A明尼阿波利斯寒冷湿润
7明尼苏达州国际瀑布城、安克雷奇极寒
8费尔班克斯、阿拉斯加北部亚北极

4.3 ASHRAE 90.1-2022 -- Indicative U-values (W/m2K)

4.3 ASHRAE 90.1-2022——参考U值（W/m²K）

ZoneWall (Non-Res)RoofFloorWindow UWindow SHGC
10.810.27-- (no req for non-cond)5.00.25
20.660.22--3.70.25
30.510.221.062.70.25
40.420.220.652.40.40
50.340.200.482.00.40
60.310.180.431.70.40
70.250.170.391.6NR
80.200.150.351.4NR
气候区外墙（非住宅）屋顶楼板窗户U值窗户SHGC
10.810.27--（非冷凝无要求）5.00.25
20.660.22--3.70.25
30.510.221.062.70.25
40.420.220.652.40.40
50.340.200.482.00.40
60.310.180.431.70.40
70.250.170.391.6无要求
80.200.150.351.4无要求

4.4 California Title 24 Part 6 (CEC, 2022 revision; 2025 next)

4.4 加州Title 24第6部分（CEC，2022年修订；2025年下次更新）

  • Stringent: requires PV on new homes (2020 onwards), heat pump water heaters in many cases (2022)
  • Zero Net Energy aspirations for residential, commercial
  • 16 California climate zones (not ASHRAE), each with own targets
  • 要求严格：2020年起新建住宅必须安装光伏系统，2022年起多数情况要求使用热泵热水器
  • 住宅和商业建筑均有净零能耗目标
  • 加州分为16个气候区（非ASHRAE分区），每个区有各自的目标

4.5 CALGreen (Title 24 Part 11)

4.5 CALGreen（Title 24第11部分）

Mandatory green building code for California. Categories include water reduction, low-VOC materials, construction waste diversion, EV charging readiness. Two voluntary tiers above mandatory baseline.
加州强制性绿色建筑规范。涵盖节水、低VOC材料、施工垃圾分流、电动汽车充电预留等类别。在强制基线之上设有两个自愿等级。

5. Accessibility

5. 无障碍设计

5.1 Federal Framework

5.1 联邦层面框架

  • ADA 2010 Standards for Accessible Design -- mandatory for state/local government (Title II) and public accommodations + commercial facilities (Title III)
  • ABA Standards (Architectural Barriers Act) -- federal facilities + federally-funded
  • Fair Housing Act (FHA) Design and Construction Standards -- multi-family housing 4+ units
  • HUD Section 504 Standards -- HUD-funded housing (UFAS-derived)
  • ADA 2010无障碍设计标准——强制适用于州/地方政府（第二章）及公共住宿场所+商业设施（第三章）
  • ABA标准（建筑障碍法）——适用于联邦设施+接受联邦资助的项目
  • 《公平住房法》（FHA）设计与建造标准——适用于4单元及以上的多户住宅
  • HUD第504节标准——适用于HUD资助的住房（源自UFAS标准）

5.2 Model Code: ANSI A117.1-2017

5.2 模型规范：ANSI A117.1-2017

Referenced by IBC Chapter 11. Most state codes apply ANSI A117.1-2017 (current edition; A117.1-2009 still in effect in some jurisdictions). 2017 edition adds Adult Changing Stations, expanded reach ranges.
被IBC第11章引用。大多数州规范采用ANSI A117.1-2017（当前版本；部分司法管辖区仍执行A117.1-2009）。2017版新增了成人更衣台、扩展了伸手可及范围等内容。

5.3 Critical Dimensions

5.3 关键尺寸要求

ElementDimension
Accessible route36 in (914 mm) clear; 60 in (1525 mm) passing space every 200 ft
Door clear width32 in (813 mm)
Ramp slope1:12 max (8.33%); 1:20 preferred (5%) for tactile contrast
Ramp landing60 in (1525 mm) square; every 30 in (762 mm) rise
Cross slope1:48 max (2%)
Lift cabin (passenger)51 x 68 in (1295 x 1727 mm) -- centred-opening Type B
Lift cabin (Type A side-opening)54 x 80 in (1372 x 2032 mm)
Accessible WC stall60 x 56 in (1525 x 1422 mm) wheelchair stall
Accessible WC water closetside reach 16-18 in (406-457 mm), centerline 18 in from wall
Lavatoryknee clear 27 in (686 mm); rim 34 in (864 mm) max
Accessible parking8 ft (2440 mm) wide stall + 5 ft (1525 mm) aisle (standard); 11 ft + 5 ft (van)
Van-accessible parking8 ft (2440 mm) + 8 ft (2440 mm) aisle (alt config)
Reach -- forward unobstructed15 in (380) low, 48 in (1220) high
Reach -- side unobstructed15 in (380) low, 48 in (1220) high
构件尺寸
无障碍通道净宽36 in (914 mm)；每200 ft设60 in (1525 mm)宽的通行空间
门净宽32 in (813 mm)
坡道坡度最大1:12（8.33%）；优先采用1:20（5%），设触觉提示
坡道平台60 in (1525 mm)见方；每上升30 in (762 mm)设一个
横坡最大1:48（2%）
乘客电梯轿厢51 x 68 in (1295 x 1727 mm)——中分式门B型
电梯轿厢（A型侧开门）54 x 80 in (1372 x 2032 mm)
无障碍卫生间隔间60 x 56 in (1525 x 1422 mm)轮椅隔间
无障碍坐便器侧伸手范围16-18 in (406-457 mm)，中心线距墙18 in
洗手台膝部净空27 in (686 mm)；台面高度最大34 in (864 mm)
无障碍停车位8 ft (2440 mm)宽车位 + 5 ft (1525 mm)宽通道（标准型）；11 ft + 5 ft（厢式车）
厢式车无障碍停车位8 ft (2440 mm) + 8 ft (2440 mm)宽通道（替代配置）
前向无障碍伸手范围（无遮挡）最低15 in (380 mm)，最高48 in (1220 mm)
侧向无障碍伸手范围（无遮挡）最低15 in (380 mm)，最高48 in (1220 mm)

5.4 Provision Counts (ADA + IBC Ch. 11)

5.4 设施配置数量（ADA + IBC第11章）

  • Accessible parking: 1 per 1-25 stalls; 2 per 26-50; 3 per 51-75; etc. (IBC + ADA 208.2). 1 in every 6 must be van-accessible (or 1 in every 8 standard + 1 in every 8 van).
  • Accessible rooms in hotels (R-1): 4% of first 50 + 2% of remainder, distributed across price points + bed configurations
  • Accessible dwelling units (R-2): per IBC + Fair Housing Act (4+ units): 2% Type A (full mobility), 100% Type B (visitable -- covered routes, switches, doors)
  • Assembly seating: 1% wheelchair + adjacent companion seats, distributed
  • Drinking fountains: 1 high + 1 low (or single hi-lo unit) at each location
  • 无障碍停车位：1-25个车位设1个；26-50个设2个；51-75个设3个；以此类推（IBC + ADA 208.2）。每6个无障碍车位中必须有1个是厢式车无障碍车位（或每8个标准车位+1个厢式车位）。
  • 酒店无障碍客房（R-1类）：前50间的4% + 剩余数量的2%，分布在不同价位和床型配置中
  • 无障碍住宅单元（R-2类）：根据IBC +《公平住房法》（4单元及以上）：2%为A型（全无障碍），100%为B型（可探访——覆盖通道、开关、门等）
  • 集会场所座位：1%的轮椅座位及相邻的陪同座位，分散布置
  • 饮水机：每个位置设1个高水位+1个低水位（或单个高低位两用机型）

5.5 Fair Housing Act Design Manual (HUD)

5.5 《公平住房法设计手册》（HUD）

For 4+ unit residential, FHA requires:
  • Accessible building entrance (one per building min)
  • Common-use areas accessible
  • Doors wide enough (32 in clear)
  • Accessible route through dwelling unit
  • Light switches, outlets, thermostats at accessible heights
  • Reinforced bathroom walls for future grab-bar installation
  • Usable kitchens and bathrooms (clearances)
FHA covers all 4+ unit residential built for first occupancy after March 1991.
对于4单元及以上的住宅，FHA要求：
  • 无障碍建筑入口（每栋建筑至少1个）
  • 公共区域无障碍
  • 门宽度足够（净宽32 in）
  • 住宅单元内有无障碍通道
  • 电灯开关、插座、温控器安装在无障碍高度
  • 浴室墙壁加固，便于未来安装扶手
  • 厨房和浴室可用（满足净距要求）
FHA适用于1991年3月后首次投入使用的所有4单元及以上住宅。

6. Structural Standards

6. 结构标准

6.1 Load Standards (ASCE 7-22)

6.1 荷载标准（ASCE 7-22）

The single most-referenced US structural standard. Maps for:
  • Wind (3-second gust, Risk Categories I-IV)
  • Seismic (Sds, Sd1; ASCE 7 Site Class A-E; Seismic Design Category A-F)
  • Snow (ground snow load Pg)
  • Flood loads
  • Tsunami loads (added in ASCE 7-16+)
  • Rain
  • Ice (atmospheric)
  • Tornado (Risk Cat III-IV, added formally in ASCE 7-22)
美国引用最广泛的结构标准。涵盖以下荷载的取值地图：
  • 风荷载（3秒阵风，风险类别I-IV）
  • 地震作用（Sds、Sd1；ASCE 7场地类别A-E；抗震设计类别A-F）
  • 雪荷载（地面雪荷载Pg）
  • 洪水荷载
  • 海啸荷载（ASCE 7-16及以后版本新增）
  • 雨水荷载
  • 冰荷载（大气覆冰）
  • 龙卷风荷载（风险类别III-IV，ASCE 7-22正式新增）

6.2 Concrete (ACI 318-19)

6.2 混凝土结构（ACI 318-19）

Current edition. Distinct chapters for SDC A-F detailing.
当前版本。针对抗震设计类别A-F有不同的详细章节规定。

6.3 Steel (AISC 360-22)

6.3 钢结构（AISC 360-22）

Current AISC unified specification (ASD + LRFD).
当前AISC统一规范（包含ASD容许应力设计和LRFD极限状态设计）。

6.4 Wood (AWC NDS 2024, SDPWS 2021)

6.4 木结构（AWC NDS 2024, SDPWS 2021）

National Design Specification (NDS) for wood construction. SDPWS for wood diaphragms/shear walls. Mass timber (CLT, GLT) provisions integrated.
国家木结构设计规范（NDS）。SDPWS为木结构横隔墙/剪力墙设计规范。已纳入重型木结构（CLT、GLT）相关条款。

6.5 Masonry (TMS 402/602-2022)

6.5 砌体结构（TMS 402/602-2022）

Current edition. Reinforced and unreinforced.
当前版本。涵盖配筋和无配筋砌体。

7. State Deep-Dives

7. 重点州详解

7.1 New York City (NYC BC 2022 + 1968 Grandfather + 2014 Commercial)

7.1 纽约市（NYC BC 2022 + 1968版遗留条款 + 2014版商业条款）

NYC has its own building code (not IBC-derived directly; chapters renumbered). NYC BC 2022 is current new construction code. NYC BC 1968 still applies to many existing buildings. NYC BC 2014 retroactively applies for certain commercial.
NYC-specific:
  • Local Law 11/98 (Facade Safety) -- exterior wall inspection every 5 years for buildings >6 storeys (FISP)
  • Local Law 97 (Climate Mobilization Act) -- emissions limits + fines for buildings >25,000 sf starting 2024
  • Local Law 84 (Energy Benchmarking) -- annual benchmarking for >25,000 sf
  • Zoning Resolution 1961+amendments -- FAR by district (R1 0.5 - R10 10.0; M+C similar); special tools (height factor, R7-2 contextual, R10 Quality Housing)
  • Construction Codes Chapter 33 -- adjacent property protection (Mt. Sinai/Lincoln Center type)
纽约市有自己的建筑规范（并非直接源自IBC；章节编号重新编排）。NYC BC 2022是当前新建建筑适用的规范。NYC BC 1968仍适用于许多既有建筑。NYC BC 2014对某些商业建筑追溯适用。
纽约市特有规定：
  • 第11/98号地方法（外立面安全）——6层以上建筑每5年进行一次外墙检查（FISP计划）
  • 第97号地方法（气候动员法案）——2024年起对25000 sf以上的建筑设定排放限值并处罚款
  • 第84号地方法（能源基准对标）——25000 sf以上建筑每年提交能源基准报告
  • 1961年分区决议及修订案——各分区的FAR（R1区0.5 - R10区10.0；M和C区类似）；特殊工具（高度系数、R7-2上下文型、R10优质住房）
  • 建筑规范第33章——相邻建筑保护（类似西奈山/林肯中心项目的要求）

7.2 California (CBC 2022 + Title 24 Parts 1-12)

7.2 加利福尼亚州（CBC 2022 + Title 24第1-12部分）

California Title 24:
  • Part 1 -- Building Standards Administrative Code
  • Part 2 -- California Building Code (IBC + CA amendments)
  • Part 2.5 -- California Residential Code
  • Part 3 -- California Electrical Code (NEC + CA)
  • Part 4 -- California Mechanical Code
  • Part 5 -- California Plumbing Code
  • Part 6 -- California Energy Code (own)
  • Part 7 -- Elevator Safety
  • Part 8 -- Historical Building Code
  • Part 9 -- California Fire Code
  • Part 10 -- Existing Building Code
  • Part 11 -- CALGreen
  • Part 12 -- Reference Standards
California-specific:
  • WUI (Wildland-Urban Interface) Code (Ch. 7A) -- ignition-resistant construction in fire severity zones
  • AB 38 -- defensible space + home hardening
  • Seismic Cat C-D-E typical; Hospital seismic safety (OSHPD) -- now under HCAI
  • Title 25 (DSA) accessibility stricter than ADA in many places
加州Title 24构成：
  • 第1部分——建筑标准行政规范
  • 第2部分——加州建筑规范（IBC + 加州修订）
  • 第2.5部分——加州住宅规范
  • 第3部分——加州电气规范（NEC + 加州修订）
  • 第4部分——加州机械规范
  • 第5部分——加州管道规范
  • 第6部分——加州能源规范（自有）
  • 第7部分——电梯安全
  • 第8部分——历史建筑规范
  • 第9部分——加州消防规范
  • 第10部分——既有建筑规范
  • 第11部分——CALGreen绿色建筑规范
  • 第12部分——参考标准
加州特有规定：
  • WUI（野地-城市交界区）规范（第7A章）——火灾高风险区域采用耐火构造
  • AB 38法案——防火隔离带 + 住宅防火强化
  • 抗震类别通常为C-D-E级；医院抗震安全（OSHPD）——现归属于HCAI
  • Title 25（DSA）无障碍标准在许多方面比ADA更严格

7.3 Florida (FBC 2023)

7.3 佛罗里达州（FBC 2023）

  • High-Velocity Hurricane Zone (HVHZ) -- Miami-Dade + Broward; ASCE 7 mapped 175 mph 0.4% probability (3-sec gust); special impact-resistant glazing required, Notice of Acceptance (NOA) approval process for products
  • All Florida: wind speed 130-180 mph design 0.4%
  • Energy -- FBC Energy Conservation 2023 (own; IECC-aligned)
  • 高速飓风区（HVHZ）——迈阿密-戴德县和布劳沃德县；ASCE 7规定的0.4%概率3秒阵风风速为175 mph；要求使用特殊抗冲击玻璃，产品需通过验收通知（NOA）审批流程
  • 全州范围：设计风速为130-180 mph（0.4%概率）
  • 能源——FBC 2023节能规范（自有；与IECC对齐）

7.4 Chicago Construction Codes 2019 (IBC-aligned)

7.4 芝加哥建筑规范2019（与IBC对齐）

After being unique for many decades, Chicago harmonised in 2019. Still has Chicago-specific:
  • Construction Type modifications
  • Refuge area requirements
  • Strong fire code
在保持独特性数十年后，芝加哥于2019年与IBC统一。但仍有芝加哥特有规定：
  • 建筑结构类型调整
  • 避难区要求
  • 严格的消防规范

7.5 Massachusetts (9th Edition + MAAB 521 CMR)

7.5 马萨诸塞州（第9版 + MAAB 521 CMR）

  • 9th Edition (2023, IBC 2021-derived)
  • 521 CMR (MAAB) -- accessibility ahead of ADA in places (stronger residential)
  • Stretch Energy Code 2023 -- optional reach code towns adopt; effectively mandatory in many municipalities
  • 第9版（2023年，源自IBC 2021）
  • 521 CMR（MAAB）——无障碍要求在部分方面领先于ADA（住宅要求更严格）
  • 2023版进阶能源规范——城镇可自愿采纳的进阶规范；在许多市镇实际上已强制执行

7.6 Washington (WSEC 2021)

7.6 华盛顿州（WSEC 2021）

Considered most stringent state energy code in the US. Many requirements at IECC 2027 level applied today.
被认为是美国最严格的州级能源规范。许多要求已达到IECC 2027版的水平。

8. Application Workflow

8. 应用工作流程

  1. Identify AHJ -- city, county, state, federal
  2. Identify in-force code editions (model code year + state/local amendments + transition status). ICC + state matrices help.
  3. Identify special applicabilities: ADA (any public accommodation), Fair Housing (4+ unit residential), Section 504 (HUD funds), historic district restrictions, WUI zones, flood zones
  4. Apply IBC + IECC + IFC (or state equivalents) for life-safety, energy, fire
  5. Apply ASCE 7 + ACI 318 + AISC 360 for structural
  6. Apply ADA 2010 + ANSI A117.1-2017 for accessibility (in addition to IBC Ch. 11)
  7. Confirm seismic / wind / flood requirements at the specific site
  8. Cite clauses: "IBC 2024 Section 1006.2.1, Table 1006.2.1", "ASCE 7-22 Section 26.5.1", "ADA 2010 Section 404.2.4", "ASHRAE 90.1-2022 Section 5.4", "NFPA 101-2024 Section 7.3"
  1. 确定AHJ——市、县、州、联邦
  2. 确定生效的规范版本（模型规范年份 + 州/地方修订 + 过渡状态）。ICC和各州的矩阵表可提供参考。
  3. 确定特殊适用要求：ADA（任何公共住宿场所）、公平住房法（4单元及以上住宅）、第504节（HUD资金）、历史街区限制、WUI区域、洪水区
  4. 应用IBC + IECC + IFC（或州等效规范）进行生命安全、能源、消防设计
  5. 应用ASCE 7 + ACI 318 + AISC 360进行结构设计
  6. 应用ADA 2010 + ANSI A117.1-2017进行无障碍设计（除IBC第11章外）
  7. 确认项目场地的地震/风/洪水要求
  8. 条款引用格式："IBC 2024 Section 1006.2.1, Table 1006.2.1"、"ASCE 7-22 Section 26.5.1"、"ADA 2010 Section 404.2.4"、"ASHRAE 90.1-2022 Section 5.4"、"NFPA 101-2024 Section 7.3"

9. Quick Numeric Reference

9. 数值快速参考

ParameterValueSource
Floor-to-floor residential R-29-10 ft (2.74-3.05 m)Industry practice
Floor-to-floor office12-14 ft (3.66-4.27 m)Industry practice
Hotel ceiling clear (R-1)7.5 ft (2.29 m) minIBC 1208.2
Bedroom min ceiling7.0 ft (2.13 m)IBC 1208.2
Corridor width (>=50 occ)44 in (1118 mm)IBC 1020.3
Stair width (>=50 occ)44 in (1118 mm)IBC 1011.2
Riser height4 in min, 7 in max (R/A/B/E/I/M)IBC 1011.5.2
Tread depth11 in minIBC 1011.5.2
Travel distance B sprinklered300 ft (91.4 m)IBC 1017.2
Wall U-value (Zone 4 mass)0.42 W/m2K (R-13.0+R-3.8c.i.)ASHRAE 90.1-2022
Wind speed 0.4% (NYC)122 mph (54.6 m/s)ASCE 7-22
Wind speed 0.4% (Miami HVHZ)175 mph (78.2 m/s)ASCE 7-22
Wind speed 0.4% (Houston)124 mph (55.4 m/s)ASCE 7-22
Wind speed 0.4% (LA)96 mph (43 m/s)ASCE 7-22
Ground snow load (Boston)40-50 psf (1.9-2.4 kN/m2)ASCE 7-22
参数数值来源
R-2类住宅层高9-10 ft (2.74-3.05 m)行业惯例
办公楼层高12-14 ft (3.66-4.27 m)行业惯例
酒店（R-1）吊顶净高最小7.5 ft (2.29 m)IBC 1208.2
卧室最小净高7.0 ft (2.13 m)IBC 1208.2
走廊宽度（≥50人）44 in (1118 mm)IBC 1020.3
楼梯宽度（≥50人）44 in (1118 mm)IBC 1011.2
踏步高度最小4 in，最大7 in（R/A/B/E/I/M类）IBC 1011.5.2
踏步深度最小11 inIBC 1011.5.2
B类建筑疏散距离（设自动喷水灭火系统）300 ft (91.4 m)IBC 1017.2
墙体U值（4气候区，砌体墙）0.42 W/m²K (R-13.0+R-3.8c.i.)ASHRAE 90.1-2022
纽约市风速（0.4%概率）122 mph (54.6 m/s)ASCE 7-22
迈阿密HVHZ风速（0.4%概率）175 mph (78.2 m/s)ASCE 7-22
休斯顿风速（0.4%概率）124 mph (55.4 m/s)ASCE 7-22
洛杉矶风速（0.4%概率）96 mph (43 m/s)ASCE 7-22
波士顿地面雪荷载40-50 psf (1.9-2.4 kN/m²)ASCE 7-22

10. Authoritative Sources

10. 权威来源

  • International Code Council (ICC) -- iccsafe.org -- IBC/IRC/IECC/IFC/IMC/IPC/IFGC/IEBC suite
  • NFPA -- nfpa.org -- NFPA 101, 70, 13, 72, 285 etc.
  • ASHRAE -- ashrae.org -- 90.1, 62.1, 55, 189.1
  • ASCE -- asce.org -- ASCE 7, ASCE 41
  • ACI -- concrete.org -- ACI 318
  • AISC -- aisc.org -- AISC 360, 341
  • AWC -- awc.org -- NDS, SDPWS
  • DOJ ADA -- ada.gov -- ADA Standards 2010
  • HUD -- hud.gov -- FHA Design Manual + Section 504 + UFAS
  • GSA -- gsa.gov -- P100 Federal Facilities Standard
  • CA Building Standards Commission -- bsc.ca.gov -- Title 24
  • NYC Department of Buildings -- nyc.gov/buildings -- NYC BC 2022
  • Florida Building Commission -- floridabuilding.org -- FBC 2023
  • CDC NIOSH -- workplace + healthcare facility guidance
  • FGI -- fgiguidelines.org -- Guidelines for Design and Construction (hospitals + outpatient + residential health)
  • ENERGY STAR -- energystar.gov
Cross-references: load 
building-codes
for IBC fundamentals (US is IBC's home jurisdiction); 
fire-life-safety
for NFPA 101 + IFC; 
accessibility-design
for ADA + ANSI A117.1 + Fair Housing; 
building-sustainability
for LEED + ENERGY STAR + Passive House comparison; 
structural-systems
for ASCE 7 / ACI / AISC depth; 
building-services
for ASHRAE detail.
  • 国际规范委员会（ICC） —— iccsafe.org —— IBC/IRC/IECC/IFC/IMC/IPC/IFGC/IEBC系列规范
  • 美国国家消防协会（NFPA） —— nfpa.org —— NFPA 101, 70, 13, 72, 285等
  • 美国采暖、制冷与空调工程师学会（ASHRAE） —— ashrae.org —— 90.1, 62.1, 55, 189.1
  • 美国土木工程师学会（ASCE） —— asce.org —— ASCE 7, ASCE 41
  • 美国混凝土学会（ACI） —— concrete.org —— ACI 318
  • 美国钢结构学会（AISC） —— aisc.org —— AISC 360, 341
  • 美国木结构协会（AWC） —— awc.org —— NDS, SDPWS
  • 美国司法部ADA —— ada.gov —— ADA 2010标准
  • 美国住房与城市发展部（HUD） —— hud.gov —— FHA设计手册 + 第504节 + UFAS
  • 美国通用服务管理局（GSA） —— gsa.gov —— P100联邦设施标准
  • 加州建筑标准委员会 —— bsc.ca.gov —— Title 24
  • 纽约市建筑局 —— nyc.gov/buildings —— NYC BC 2022
  • 佛罗里达州建筑委员会 —— floridabuilding.org —— FBC 2023
  • 美国疾控中心国家职业安全与健康研究所（CDC NIOSH） —— 工作场所 + 医疗设施指南
  • 医疗设施指南协会（FGI） —— fgiguidelines.org —— 设计与建造指南（医院 + 门诊 + 住宅医疗）
  • 能源之星（ENERGY STAR） —— energystar.gov
交叉参考：加载
building-codes
技能获取IBC基础内容（美国是IBC的发源地）；加载
fire-life-safety
技能获取NFPA 101 + IFC相关内容；加载
accessibility-design
技能获取ADA + ANSI A117.1 + 公平住房法相关内容；加载
building-sustainability
技能获取LEED + ENERGY STAR + 被动式房屋对比内容；加载
structural-systems
技能获取ASCE 7 / ACI / AISC深度内容；加载
building-services
技能获取ASHRAE详细内容。