Subject Code & Name: AR25403 – Water Supply and Sanitation in Buildings
Regulation: R-2025
Semester: IV (Fourth Semester)
Branch: B. Arch. (Arch)
Credits / L-T-P: 4 Credits | L-T-P: 2-0-2
Course Objectives
- To introduce and give knowledge about the different environmental services for human environment- water supply, sewerage, drainage, waste management and plumbing systems.
- To give familiarity about sustainable practices and systems for environmental services.
- To enable the conceptual design of small buildings/ campuses for environmental services.
- To study about the grey water and rain water harvesting.
Full Unit-wise Syllabus
Unit I – Water Supply System
Water supply system at macro level - sources, pumping, reservoirs, water treatment, tanks, piping systems and materials. Quantitative and qualitative requirements of water for different activities in building (non-highrise and high- rise) and campuses. Overhead tanks, underground sumps, firefighting storage, water meter, R.O. Plant, water heating systems, solar water heaters, fixtures and fittings for a small building/ campus. Relevant NBC codes and Design calculations for the same and related mechanical equipment. Sustainable practices and systems. Site visits with documentation in the form of sketches/ drawings/ photos.
Unit II – Sewerage System
Sewage and sullage. Sewerage systems. Different types/stages of sewage treatment at city level. Sewer line, gradients, manholes, inspection chambers. One pipe/ two pipe plumbing systems. Sewage treatment at building (non-highrise and high-rise) and campuses -sewage treatment plants, septic tank, leach pits. Sustainable practices and systems. Relevant NBC codes. Site visits with documentation: in the form of sketches/ drawings/ photos.
Unit III – Drainage and Waste Management
Storm water drains at city level. Types of pipe. Storm water gutter. Drainage systems in building (non-highrise and high-rise) and campuses. Roof drainage. Rain water harvesting and storage sumps. Sustainable practices and systems. Relevant NBC codes. Solid waste- types, segregation and refuse collection. Disposal - Incinerator, composting, vermicomposting, sanitary land filling, bio gas system, modern renewable energy system. Site visits with documentation in the form of sketches/ drawings/ photos.
Unit IV – Plumbing Systems in Buildings
Basic principles of plumbing. Plumbing, sanitary fittings and their requirements for buildings - wash basins, water closets, urinals, bidets, sinks, gate valve, float valve, flap valve, ball valve, flush valve, etc, different types of taps, faucets, stop cocks, bib cocks, ‘P’, ‘Q’, ‘S’, floor/bottle traps. Relevant NBC codes. Efficient Plumbing fixtures-low flow, aerated, dual flush, sensor based. Understanding of products, product catalogues, service drawings. Site visits with documentation in the form of sketches/ drawings/ photos.
Unit V – Design for Environmental Services
Site planning, building and room design principles for water supply, sewage and storm water in an integrated manner for a small building. Understanding of service drawings. Site visits and documentation in the form of sketches/ drawings/ photos. Conceptual design for a small building.
Course Outcomes (COs)
- CO1: Ability to understand environmental services from macro to micro level human environment.
- CO2: Ability to adopt sustainable practices and systems for environmental services.
- CO3: Ability to design environmental services in a building/ small campus.
- CO4: Ability to understand relevant codes for application.
Assessment Pattern (Quick Note)
- Weightage: Continuous Internal Assessment: 50%, End Semester Examinations: 50%
- Internal methodology: Three Assessments with equal weightage. One Assessment as Internal written Test /Examination (33.33%), other two assessment (each assessment weightage – 33.33%) as continuous marking of the work and performance during the particular assessment period such as drawings, models, study, seminar, etc.,
Source: Official Anna University – B. Arch. R-2025 Syllabus
Last Updated: October 2026
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