Introduction to National Building Code and Steps in a Construction project

1    A set of standards that are uniform to all structures 

      It protects the construction safety 

      Modern construction methods 

      Provides building standards 

2    Residential buildings

      Educational buildings 

      Assembly buildings

      Institutional buidings

      Mercantile buildings 

      Business buildings

      Storage buildings

      Industrial buildings

      Hazardous buildings

3   Initiation 

     Planning 

     Execution 

     Closure

4  Construction

    Finance and estimating 

    Contracts and bid

    Geotechnical 

    Managements

    Structural 

    Surveying

5  Four unit appartments

    School with capacity of 1000 students

    A single unit shop 

    Multi storey shopping complex

    Steel machine factory 

    Four unit appartments - Group A Residential building

    School with capacity of 1000 students - Group B Educational building

    A single unit shop - Group E Mercandile building

    Multi storey shopping complex - Group E Mercandile

    Steel machine factory - Group H Industrial building 

6  Design Team 

         Helps to finalise the plan 

         Evaluationaries in the project 

         Implementation the designs

    Management Team 

          Accomplishment of the project 

          Execute the design 

          Achieves the satisfactory comletion of the project 

7    Height limitations -

      Area limitations -

      Room sizing 

      Wall height 

      Thickness based on fire life and safety 

      Passageway requirements

HEIGHT LIMITATIONS        

As per NBC 2005, clause C-2.5 the height of the building shall not exceed 15m (page no. 43)

       For buidings up to the height of 15m, there is no need to provide lifts

       Housinng for the low-income group shall preferbly be upto a maximum of 2 storeys 

       Building for housing beyond 15m in height should be resorted to in exceptional circumstances and it should be governed by provisions laid down the circle

AREA LIMITATION

       According to NBC 2005, the minimum plot size with the ground coverage not exceeding 75%, shall not be less than 40 sq.m in small and medium town and not less than 30 sq.m in metropolitan area 

        The minimum plot size with ground coverage and exceeding 75% shall not be less than 40m2 in the small and medium town and not less than 30m2 in the metropolitan city plot sizes below 30 m2 but not less than 15 m2 may be permitted in case of cluster planning , however in such case the ground coverage and FSI shall be 100% and 2% resp..

Room sizing 

           

Wall Height 

           According to NBC 2005; Clause F-3.4, the minimum height of rooms and spaces should be 

              Habitable room-2.75m 

              Kitchen-2.6m

              Bath/water closet \-2.2m 

              Corridors-2.1m 

Thickness based on fire and life safety 

           The thickness for masonry walls is given by table 2 of fire and life safety section of NBC 2005 

Passageway requirements

      As per NBC 2005, tab 1