Chapter 7Provisions for Structural Safety

7.1 Structural design and safety.- For any building under the jurisdiction of these byelaws structural/retrofitting design shall only be carried out by a registered Structural Engineer on Record (SER). Proof checking of various designs/ reports shall be carried out by competent authority as per Table 7.1wherever applicable.

7.1.1 Additional Provisions for natural hazard prone areas.- Generally, the structural design of foundations, elements of masonry, timber, plain concrete, reinforced concrete, pre-stressed concrete and structural steel shall conform to the provisions of Part 6: Structural Design –

Section– 1 Loads, Forces and Effects

Section– 2 Soils and Foundations,

Section– 3 Timber and Bamboo,

Section– 4 Masonry,

Section– 5 Concrete

Section– 6 Steel

Section– 7 Prefabrication Systems, Building and Mixed /Composite Construction of National Building Code of India (NBC), taking into consideration the Indian Standards as given below.

(1) IS: 456:2000 ‘Code of Practice for Plain and Reinforced Concrete’;

(2) IS: 800-2007 ‘Code of Practice for General Construction in Steel’;

(3) IS: 801-1975 ‘Code of Practice for Use of Cold Formal Light Gauge Steel Structural Members in General Building Construction’;

(4) IS 875 (Part 2):1987 Design loads (other than earthquake) for buildings and structures Part2 Imposed Loads;

(5) IS 875 (Part 3):1987 Design loads (other than earthquake) for buildings and structures Part 3 Wind Loads;

6. IS 875 (Part 4):1987 Design loads (other than earthquake) for buildings and structures Part 4 Snow Loads;

7. IS 875 (Part 5):1987 Design loads (other than earthquake) for buildings and structures Part 5 special loads and load combination;

8. IS: 883:1994 ‘Code of Practice for Design of Structural Timber in Building;

9. IS: 1904:1986 (R 2005) ‘Code of Practice for Structural Safety of Buildings: Foundation’;

10. IS 1905:1987 ‘Code of Practice for Structural Safety of Buildings: Masonry Walls; and

11. IS 2911(Part 1): Section 1: 2010 ‘Code of Practice for Design and Construction of Pile Foundation Section 1

Part 1: Section 2 Bored Cast-in-situ Piles

Part 1: Section 3 Driven Precast Concrete Piles

Part 1: Section 4 Bored Precast Concrete Piles

Part 2: Timber Piles

Part 3: Under Reamed Piles

Part 4: Load Test on Piles

For Cyclone/Wind Storm Protection

(12) IS 875 (3):1987 ‘Code of Practice for Design Loads (other than Earthquake) for Buildings and Structures, Part 3, Wind Loads’

(13) Guidelines (Based on IS 875 (3)-1987) for improving the Cyclonic Resistance of Low rise houses and other building.

(14) IS: 1893 (Part 1)-2002 ‘Criteria for Earthquake Resistant Design of Structures (Fifth Revision)’

15. IS: 13920-1993 ‘Ductile Detailing of reinforced Concrete structures subjected to Seismic Forces-Code of Practice

(16) IS: 4326-2013 ‘Earthquake Resistant Design and construction of buildings code of practice (second revision)’

(17) IS: 13828-1993 ‘Improving earthquake resistance of low strength masonry buildingsguidelines

(18) IS: 13827:1993 ‘Improving Earthquake Resistance of Earthen Buildings-Guidelines

(19) IS: 13935-2009 ‘Seismic Evaluation, Repair and Seismic Strengthening of Buildings - Guidelines’