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Functional requirements of public buildings
- 1. Functional Requirements of public buildings. Prepared by- S.D. Shaikh Asstt. Prof. Sanjivani COE Kopargaon
- 2. Introduction According to National Building Code of India, building are classified on occupancies, as follows  Group A- Residential Buildings  Group B – Educational Buildings  Group c – institutional Buildings  Group D – Assembly Buildings  Group E - Business Buildings  Group F – Merchandise Buildings  Group G – Industrial Buildings  Group H – Storage Buildings  Group I – Hazardous Buildings
- 3. Group B– Educational Buildings  Educational buildings are generally used for School, college, or day care purpose. Minimum provisions for various units, According to IS-8827-1978  A) For age group(9 years or less) I- IV Standard i) 40 Students per class Ii)1.11Sq.m area required per student  For age group (Above 10 years) i) 40 Students per class Ii)1.5 Sq.m area required per student.
- 4. General sizes of room recommended (4.5 x 6.0 m, 5.5 x 6.5 m, 6.0 x 7.2m) For Drawing Hall Min. area required per student is 3.5 Sq.m per Student. For Laboratories Min. area required per student is 3 to 4 Sq.m per Student. For Teachers Room Minimum 14 Sq.m Area is Required Height of Classroom i) 4.2 m or more for area up to 60 Sq.m ii) 4.8m or more for area more than 60 Sq.m
- 5. Details of Sanitary blocks Description Male Students Female Students W.C. 1 per 40 students 1 per 25 students URINALS 1 per 20 students ---- WASH BASIN 1 per 40 students 1 per 40 students WATER TAPS 1 per 50 students 1 per 50 students
- 6. Parking Requirements Sr.No. Vehicle Area required (Sq.M) Per student 1 Cycle 1.1 2 Scooter 3.0 3 Car 25 4 Buses 60
- 7. Group c – institutional Buildings  Institutional building any building or part of building which is used for different purposes like medical treatment, care of person suffering from physical or mental illness.  Institutional building includes various type of buildings from small dispensary to big hospital.
- 8. A) Dispensary Sr.No. Units Requirements 1 Entrance or waiting Area 2.5 m Wide 2 Circulation Area (passage, corridors) 1.5m Wide 3 Consulting room 2.5 x 4.0 M 4 Dressing room 3.0 x 4.0 M 5 Drug store 2.75 x 3.0 m 6 Examination Room 3.0 x 4.0 M
- 9. B) Primary Health Center Sr.No. Units Requirements 1 Entrance or waiting Area 2.5 m Wide 2 Operation Theater 4.0x 4.5 M 3 Consulting room 3.0 x 3.6 M 4 Maternity ward 8 to 10 Sq.m / Bed 5 Drug store 3.53 x 4.75 m 6 Examination Room 3.0 x 4.0 M
- 10. Sr.No. Units Requirements 7 Passage/ corridor 1 to 2.5M Wide 8 verandah 1.8 to 2.5M Wide 9 Stair width (one flight) 1.2 M wide Min. 10 Riser 130 – 150 MM 11 Tread 300-325 MM 12 Landing 1 to 1.8 M Wide
- 11. C) Hospital Sr.No. Units Requirements 1 Entrance 1 to 2 Sq.m Per person 2 Waiting Space 1 to 2 Sq.m Per person 3 Consulting Room 12 to 15 Sq.m 4 Office 3.0 x 4.0 M 5 Emergency Room 4.0 x 5.5 M 6 Dispensary 4.0 x 5.0M
- 12. Sr.No. Units Requirements 7 Operation Theater 4.5 x 5.5 M 8 Sterilization Room 3.0 x 4.0 M 9 Doctors Room 3.0 x 4.0 M 10 Nurse’s Room 3.0 x 3.0 M 11 Waiting Space 3.0 M Wide 12 Nursing wards 8 to 10 Sq.m per Bed
- 13. Sr.No. Description Male Female 1 W.C. 1 for 100 2 for 100 2 Urinals 1 for 50 --- 3 wash Basin 1 for 100 1 for 100 Sanitary blocks
- 14. Group D – Assembly Buildings  Assembly buildings are buildings or part of building where people gathered for amusement, recreation, social, religious and patriotic purpose.  These type of building includes auditorium, or cinema theater, restaurants etc. Sr.No. Units Requirements 1 Entrance for foyer auditorium 3.0 M wide 2 Area required for 1 chair/ seat 0.8 to 1.0 Sq.m / chair 3 Managers office 12 to 15 Sq.m 4 Distance between chairs 0.45 M 5 Projection Room 4.5 x 3.5 M 6 Stage Height 1.0 to 1.2 m 7 One Door
- 15. Sanitary blocks Sr.No. Description Male Female 1 W.C. 1 for 100 upto 400 Male. And above 400- 1 for every 250. 1 for 100 upto 200 female. And above 400- 1 for every 100. 2 Urinals 1 for 50 --- 3 wash Basin 1 for 200 1 for 200
- 16. B) Hotel ï‚´ Requirements for Hotel 1.Public area such as Entrance hall, dinning hall etc. 2. Bed rooms 3. Service Area like kitchen, laundries etc. ï‚´ There are various units present in the Hotel Which needs minimum requirement related to their size and area, which are as follows,
- 17. Sr.No. Units Requirements 1 Entrance 3.0 M wide 2 Kitchen 20 to 30 Sq.m 3 Dinning 2.0 to 2.5 Sq.m Per Head 4 Store 10 to 15 Sq.m 5 Pantry 6 to 10 Sq.m 6 General Bed room 3.5 x 4.5 M 7 Double Bed 4.0 x 5.5 M 8 Laundry 3.0 x 4.0 M 9 Servant Room 3.0 x 4.0 M B) Requirements of Hotel
- 18. C) Museums Sr.No. Units Requirements 1 Entrance 3.0 M Wide 2 Halls 4.5 x 6.5 to 6.0 x 10.0 M 3 Office 3.0 x 4.0 M
- 19. D) Restaurants Sr.No. Units Requirements 1 Entrance 3.0 M Wide 2 Dinning Hall 2 to 2.5 Sq.m/ head 3 Kitchen 20 to 30 Sq.m 4 Pantry 4.0 x 6.0 M 5 Coock’s Room 3.0 x 4.0 M