Lesson Notes By Weeks and Term v3 - Senior Secondary 1
Classification of Building
Download the Lessonotes Mobile Nigeria 2025 app for faster lesson access on Android and iPhone.
Classification of Building
Download the Lessonotes Mobile Nigeria 2025 app for faster lesson access on Android and iPhone.
Subject: Building Construction
Class: Senior Secondary 1
Term: 2nd Term
Week: 1
Theme: Introduction To Building
This page supports the lesson note with a companion video and a short classroom-ready summary.
For class groups and homework, share this lesson page so learners also get the summary, objectives, and full lesson context.
Identify types of building, according to ownership Identify types of building according to use Identify types of building according to height
This section delves into the detailed explanations of how buildings are classified according to ownership, use, and height, providing relevant Nigerian examples for each category. 2.
1. Classification of Buildings According to Ownership This classification distinguishes buildings based on who owns and typically funds their construction and maintenance.
Public Buildings: Definition: These are buildings owned, funded, and managed by government bodies (Federal, State, or Local Governments) for public use or administrative purposes. Access to these buildings or the services they provide is often open to the general public, sometimes with regulations.
Characteristics: Often large-scale, serve community needs, funded by taxpayers, and are part of public infrastructure. Nigerian
Examples: Educational: Public primary schools, secondary schools (e.g., Government Secondary Schools), federal universities (e.g., University of Ibadan, Ahmadu Bello University), polytechnics, public libraries.
Health: General Hospitals, Primary Health Care Centers, federal medical centers, teaching hospitals (e.g., Lagos University Teaching Hospital - LUTH).
Administrative/Civic: Federal Secretariat complexes, State Government Secretariats, Local Government Council offices, Police Stations, Custom offices, Law Courts, National Assembly Complex, Aso Rock Villa.
Infrastructure: Public markets managed by local governments, public utilities buildings (e.g., PHCN substations).
Private Buildings: Definition: These are buildings owned, funded, and managed by individuals, private companies, or non-governmental organizations (NGOs) for personal, commercial, or specific organizational purposes. Access is generally restricted by the owner.
Characteristics: Funded by private capital, built to serve specific owner needs, profits often a motive for commercial types. Nigerian
Examples: Residential: Detached houses, bungalows, duplexes, block of flats, apartments, privately-owned hostels (e.g., student hostels around universities, family homes).
Commercial: Privately-owned shops, supermarkets (e.g., Shoprite, Spar), banks (e.g., GTBank, Zenith Bank branches), hotels (e.g., Eko Hotel & Suites, Transcorp Hilton), private office complexes, shopping malls (e.g., Novare Lekki Mall, The Palms Shopping Mall).
Industrial: Factories (e.g., Dangote Cement plants, Nestle Nigeria factories), privately-owned warehouses, workshops.
Educational: Private primary and secondary schools (e.g., Corona Schools, American International School), private universities (e.g., Covenant University, Redeemer's University).
Health: Private hospitals, clinics, diagnostic centers.
Religious: Buildings owned by specific religious denominations (e.g., Living Faith Church Worldwide, Central Mosque Abuja, Redeemed Christian Church of God parishes).
Semi-Public / Institutional Buildings: Definition: These buildings are owned by non-profit organizations, religious bodies, or community groups, and while privately owned, they often serve a broader public or communal purpose. They operate on a non-commercial basis.
Characteristics: Often built with donations or community funds, serve specific community or religious needs, generally open to members or the public for specific services. Nigerian
Examples: Religious: Churches, Mosques, Shrines, temples owned by specific denominations or communities.
Community: Town halls, community centers, cultural centers, orphanages, old people's homes, Non-Governmental Organization (NGO) offices (e.g., for UNICEF, Red Cross operations in Nigeria).
Clubs: Social clubs, golf clubs, recreation clubs (though some can be purely private commercial ventures). 2.
2. Classification of Buildings According to Use (Function) This classification is based on the primary activity or purpose for which a building is designed and occupied.
Residential Buildings: Definition: Structures primarily designed for human habitation, providing living and sleeping accommodation. Nigerian
Examples: Single-family houses (bungalows, duplexes), multi-family dwellings (block of flats, apartments, tenements), hostels, students' dormitories, barracks for military/police personnel.
Commercial Buildings: Definition: Buildings used for business activities, trade, retail, or office purposes. They generate income through business operations. Nigerian
Examples: Shops, supermarkets, shopping malls, markets, banks, hotels, restaurants, corporate office buildings, business centers.
Industrial Buildings: Definition: Buildings designed for manufacturing, assembly, processing, storage, research, or distribution of goods. Nigerian
Examples: Factories (e.g., for food processing, textiles, cement production), warehouses, workshops, power generation plants, refineries, bottling plants.
Educational Buildings: Definition: Structures used for teaching, learning, and research. Nigerian
Examples: Primary schools, secondary schools, universities, polytechnics, colleges of education, vocational training centers, libraries, research institutes.
Medical/Health Buildings: Definition: Buildings dedicated to providing healthcare services, including diagnosis, treatment, and recovery. Nigerian
Examples: Hospitals (general, specialist, teaching), clinics, health centers, diagnostic laboratories, maternity homes, dispensaries.
Religious Buildings: Definition: Structures primarily used for worship, religious ceremonies, and Nigerian
Examples: Factories (e.g., for food processing, textiles, cement production), warehouses, workshops, power generation plants, refineries, bottling plants.
Educational Buildings: Definition: Structures used for teaching, learning, and research. Nigerian
Examples: Primary schools, secondary schools, universities, polytechnics, colleges of education, vocational training centers, libraries, research institutes.
Medical/Health Buildings: Definition: Buildings dedicated to providing healthcare services, including diagnosis, treatment, and recovery. Nigerian
Examples: Hospitals (general, specialist, teaching), clinics, health centers, diagnostic laboratories, maternity homes, dispensaries.
Religious Buildings: Definition: Structures primarily used for worship, religious ceremonies, and spiritual gatherings. Nigerian
Examples: Churches, Mosques, Shrines, Temples, Cathedrals.
Recreational Buildings: Definition: Buildings designed for entertainment, sports, leisure, and cultural activities. Nigerian
Examples: Stadiums (e.g., National Stadium Abuja, Teslim Balogun Stadium), cinemas, theaters, event centers, art galleries, museums, indoor sports halls, gyms, amusement parks.
Government/Civic Buildings: Definition: Buildings used for public administration, legislative, judicial, or emergency services. Nigerian
Examples: Ministries, parliaments (National Assembly), courthouses, police stations, fire stations, immigration offices, customs offices, local government secretariats.
Agricultural Buildings: Definition: Structures used for farming, livestock rearing, storage of agricultural products, or agricultural machinery. Nigerian
Examples: Barns, silos, poultry houses, piggeries, greenhouses, farm storage facilities. 2.
3. Classification of Buildings According to Height This classification is based on the number of floors or the overall height of the building.
Low-Rise Buildings: Definition: Buildings typically having one to three storeys. They usually do not require elevators and can be evacuated easily in emergencies.
Characteristics: Common in residential areas and rural settings, simpler construction methods. Nigerian
Examples: Most bungalows, typical Nigerian residential houses (duplexes, block of flats up to 3 floors), many primary and secondary school buildings, small shops, health centers in rural areas.
Medium-Rise Buildings: Definition: Buildings usually ranging from four to ten storeys. They often incorporate elevators, especially in the upper range.
Characteristics: Often found in suburban or medium-density urban areas, common for apartment blocks, some hotels, and smaller office complexes. Nigerian
Examples: Many apartment buildings in Ikeja or Surulere (Lagos), some hotel buildings (e.g., some branches of Transcorp Hilton or Sheraton in various cities), medium-sized office blocks, some university departmental buildings.
High-Rise Buildings / Skyscrapers: Definition: Buildings generally exceeding ten storeys in height. They invariably require elevators, complex structural systems, and advanced fire safety measures. Buildings over 40 storeys are often specifically referred to as skyscrapers.
Characteristics: Predominantly found in major urban centers and business districts, represent significant engineering challenges, often iconic. Nigerian
Examples: NECOM House (Marina, Lagos), Eko Tower II (Victoria Island, Lagos), Union Bank Building (Marina, Lagos), World Trade Centre Abuja Towers, Ministry of Finance headquarters (Abuja), some luxury apartment towers in Ikoyi. --- 3.
1. Teacher Activities: Introduction (10 minutes): Begin by asking students to recall different types of buildings they see daily in their communities (e.g., houses, schools, churches, markets). Introduce the concept of "classification" by asking why it's useful to group things, using simple analogies (e.g., classifying clothes by type, food by source).
State the lesson topic: "Classification of Building" and its objectives.
Concept Explanation (25 minutes): Systematically explain each classification category (Ownership, Use, Height) using clear definitions and numerous Nigerian examples as provided in Section
2. Utilize visual aids: Show pictures of various Nigerian buildings (e.g., Aso Rock Villa, a local market, a typical bungalow, Eko Tower, a factory). Ask students to identify them and suggest their classification.
Facilitate interactive questioning: For each category, ask students to provide additional examples from their immediate environment. Emphasize distinguishing characteristics for each sub-category (e.g., what makes a public building different from a private one).
Activity Facilitation (15 minutes): Divide students into small groups (e.g., 3-4 students per group). Provide each group with a list of 5-7 different Nigerian buildings (e.g., "Federal Medical Centre Owerri," "Your family house," "Shoprite Enugu," "a local mosque," "Necom House," "a primary school in your village"). Instruct groups to classify each building according to ownership, use, and height, justifying their answers. Circulate among groups, providing guidance, clarifying misconceptions, and ensuring all students participate.
Discussion and Consolidation (5 minutes): Invite each group to share their classifications for one or two buildings. Correct any errors and reinforce correct understanding. Summarize the key classifications and their importance. 3.
2. Student Activities: Active Listening and Note-taking: Students will listen attentively to the teacher's explanations and take comprehensive notes on definitions and examples.
Observation and Identification: Students will observe pictures of Nigerian buildings provided by the teacher and identify their types based on the classification criteria.
Participatory Q&A: Students will answer questions posed by the teacher, providing local examples of different building types.
Group Discussion and Classification: In assigned groups, students will discuss and classify a given list of Nigerian buildings based on ownership, use, and height. They will articulate reasons for their classifications.
Reporting: Students will present their group's findings to the class, defending their classifications. --- The teacher should provide these questions and guide students through the answers, ensuring they understand the reasoning.
Question 1: Classify the "National Hospital Abuja" based on: a)
Ownership b)
Use Solution 1: a)
Ownership: Public Building.
Commentary: The National Hospital Abuja is owned and managed by the Federal Government of Nigeria to provide healthcare services to the general public. b)
Use: Medical/Health Building.
Commentary: Its primary purpose is to offer healthcare services, including diagnosis, treatment, and medical research.
Question 2: A typical "block of 6 flats" in Surulere, Lagos, each occupied by a different family, would primarily fall under which classification according to: a) Use b) Height (assuming it's a 3-storey building)
Solution 2: a)
Use: Residential Building.
Commentary: Its main function is to provide living accommodation for multiple families. b)
Height: Low-Rise Building.
Commentary: A 3-storey building falls within the typical definition of a low-rise structure, which is generally 1-3 floors.
Question 3: Identify two examples of "Commercial Buildings" commonly found in a typical Nigerian city like Port Harcourt or Kaduna.
Solution 3: Banks: Branches of banks like First Bank, Zenith Bank, UBA, etc., are prevalent in Nigerian cities and are built for financial transactions and business services.
Shopping Malls/Supermarkets: Stores like Spar, Shoprite, or local shopping malls are built for retail trade, where goods are sold to consumers.
Commentary: Other acceptable answers could include hotels, corporate office complexes, or petrol stations.
Question 4: Explain the key difference between a "Low-Rise" and a "High-Rise" building in the Nigerian context, providing one example of each.
Solution 4: The key difference lies in their height or number of storeys.
Low-Rise Building: Typically has 1 to 3 storeys.
Example: A typical bungalow or a two-storey residential building in a neighbourhood like Garki (Abuja).
High-Rise Building: Generally has more than 10 storeys (and often requires elevators and complex structural systems).
Example: NECOM House in Marina, Lagos, or one of the World Trade Centre Towers in Abuja.
Commentary: This distinction impacts design, construction methods, and regulatory requirements. ---
Urban Development and Zoning in Nigerian Cities: Understanding building classification is fundamental to urban planning in Nigeria. Local and state physical planning agencies (e.g., Lagos State Ministry of Physical Planning and Urban Development, Abuja Metropolitan Management Council) use these classifications to zone areas for specific purposes. For instance, residential zones are separated from industrial zones (e.g., Apapa industrial estate in Lagos), and commercial areas are strategically located. This prevents chaotic development, ensures public safety, and promotes efficient land use. Students can be asked to identify different zones in their own towns or cities.
Safety Regulations and Building Codes: Different building classifications require adherence to specific safety standards and building codes in Nigeria. For example, high-rise buildings (e.g., in Victoria Island, Lagos) have stricter fire safety regulations, evacuation procedures, and structural integrity requirements than low-rise residential bungalows due to the higher occupancy and complexity. Public buildings must also meet accessibility standards for persons with disabilities. This knowledge helps engineers and architects ensure compliance with national building codes and standards for construction permits.
Economic Value and Property Investment: The classification of a building significantly influences its economic value and potential for investment in Nigeria. Commercial buildings (e.g., office spaces in Ikoyi, Lagos or Abuja CBD) often command higher rental yields and property values than purely residential buildings. Industrial buildings are crucial for manufacturing and logistics, attracting specific types of investors. Knowledge of these classifications helps prospective homeowners, real estate developers, and investors make informed decisions about property acquisition and development across Nigeria. ---