TERMINOLOGY USED IN HUDA AUTHORITY

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1) Ancillary zone

  • “ancillary zone” in the industrial/ commercial/ institutional plot means the building ancillary to and serving the main industrial building and includes meter-room, security room, Sewerage Treatment Plant, godown, guard room, cycle-shed, dispensary, canteen, electric substation and labour quarters for watch and ward staff but shall not include residential accommodation for supervisory staff.

2) Atrium

  • “atrium” means a high open area or central court within multi storeyed building, covered with transparent material at the terrace.

3) Balcony

  • “balcony” means a horizontal projection, cantilevered or otherwise, not more than 1.8 metres, including a parapet or railing to serve as a passage or sit out place, open to air at least on one side.

4) Canopy

  • “canopy”- shall mean a cantilevered projection from the face of the wall over an entrance to the building at the lintel or slab level provided that:
  1. It shall not project beyond the plot line.
  2. It shall not be lower than 2.3 metres (clear height) when measured from the ground.
  3. There shall be no structure on it and the top shall remain open to sky.

5) Chimney

  • “chimney” means the ventilating shaft/ absorber provided in the building for intake and disposal of smoke.

6) Class of building

  • “class of building” shall mean a building in one of the following categories:
  1. Assembly building;
  2. Commercial and mercantile building;
  3. Educational building;
  4. Industrial building;
  5. Information Technology building;
  6. Inland Container Depot/ Custom bounded area;
  7. Institutional building;
  8. Mixed land-use building;
  9. Residential building;
  10. Storage building;

i) Assembly Building

  • A building or part thereof, where groups of people (not less than 50) congregate or gather for amusement, recreation, social, religious, patriotic, civil, travel and similar purposes;

ii) Commercial and Mercantile Building

  • Includes a building or complex or part thereof used as shops, stores or market for display and sale of wholesale and/ or retail goods or merchandise, including office, Restaurant, Banquet Hall, Hotel, Motel, Resort, Dhaba, Boarding house, Guest house, Amusement Park, office establishments and service facilities incidental thereto and located in the same building.

iii) Educational Building

  • Includes a building exclusively used for a school, college, training/ research institute, vocational institute & University including quarters for essential staff required to reside in the premises, and building used as a hostel captive to such educational institution in its campus.

iv) Educational Building

  • Includes a building or part thereof wherein products or material are fabricated, assembled or processed, such as assembly plant, cold storage, laboratory, power plant, refinery, gas plant, mill, dairy and factory etc.

v) Information Technology building

  • Includes building for software development activities, and IT enabled services and/ or IT related manufacturing;

vi) Inland/ Freight Container Depot/ Custom bounded area

  • Includes a building being used as an inland intermodal terminal directly connected by road or rail to a seaport/ airport and involved as operating centre for the transhipment of a sea/ air cargo to inland destination, which may include temporary storage;

vii) Institutional Building

  • Includes a building constructed by Government, Semi- Government Organization or Registered Trust/ Society and used for medical or other treatment and care for persons suffering from physical or mental illness, disease or infirmity, care of orphans, differently-abled persons, abandoned women, children and infants, convalescents, destitute or aged persons and for penal or correctional detention with restricted liberty of the inmates ordinarily providing sleeping accommodation. It shall also includes an auditorium or complex for cultural, social, religious, patriotic and allied activities or for an hospice, assembly halls, city halls, town halls, exhibition halls, museums, places of worship, dharamshala, hospital, sanatoria, custodial and penal institutions such as jail, prison, Government office, Secretariat, road or railway or air or sea or other public transportation station, etc.;

viii) Mixed land-use building

  • Includes a building consisting of one or more conforming uses/ activities duly allowed by competent authority;

xi) Residential Building

  • Includes a building in which sleeping and living accommodation is provided for residential purposes, with cooking facilities and includes one or more family dwellings, residential apartments, flats and garages used by occupants of such building;

x) Storage Building

  • Includes a building or part thereof used primarily for storage or shelter of goods, wares, merchandise, freight depot includes a building used as a warehouse, godown, freight depot, transit shed, store house, public garage, hanger, truck terminal, grain elevator/ silos, barn and stables.

8) Clear height

  • “clear height” means height from the top surface of ground or any floor to the soffit of beam or ceiling, as the case may be.

9) Courtyard

  • “courtyard” means a space permanently open to sky, enclosed fully or partially by buildings and may be at ground level or any other level within or adjacent to a building.

10) Covered area

  • “covered area” means the area covered immediately above the plinth level by the building but does not include the space covered by –
  1. soakpit, rain water harvesting tank, sewage treatment plant, swimming pool (uncovered);
  2. cantilevered porch (without any storey above) and areas covered by canopy and portico, open staircases for fire escape;
  3. area under solar panel, service floor and service shaft, atrium;

11) Damp proof course (DPC)

  • “damp proof course (DPC)” means a course consisting of some appropriate water proofing material provided to prevent seepage/ penetration of dampness or moisture from any part of the structure to any other part;

12) Engineer

  • “Engineer” means a person graduate in civil engineering from recognised Indian or Foreign University or Associate Membership of the Institute of Engineers (India) with a minimum 3 years experience in Civil Engineering practice in designing structures and field work and/ or registered as such with the Competent Authority, engaged for the supervision, construction or for the preparation of structural design/ drawing or both for residential and commercial building upto plot area 1000 square metres and 15 metres height (including stilt), as per the requirements of the relevant Form BR-V(A1).

13) Floor area ratio (FAR)

  • “floor area ratio (FAR)” mean a quotient obtained by dividing the multiple of the total covered area of all floors and hundred, by the area of plot i.e.

                                            total covered area X 100

                               FAR = ———————————;

                                                      plot area

  • For the purpose of calculating FAR, cantilevered, permitted roof projections, lift room, mumty, balcony, basement or any floor if used for parking, services and storage, stilt area (unenclosed) proposed to be used for parking/ pedestrian plaza only, open staircase (without mumty), terrace with or without access, fire staircase, atrium, water tank, open courtyard of permitted size shall not be counted towards FAR:
  • Provided, area under shaft, chutes, lift well and staircase from stilt to next floor shall be counted towards FAR only at once on ground floor:
  • Provided in case the ventilation shaft area is more than 3 square metres, it shall not be counted in FAR;

14) Ground coverage

  • “ground coverage” means built up area covered at ground level: 

For the purpose of calculating ground coverage area under shaft, chute, lift well and staircase shall be counted towards ground coverage: Provided ventilation shaft area more than 3 square metres, fire staircase, atrium and open courtyard of permitted size, shall not be counted in ground coverage;

15) Habitable room

  • “habitable room” means a room occupied or designed for occupancy by one or more persons for study, living, sleeping, eating, but not including bathrooms, water-closet compartments, laundries, serving and store pantries, corridors, cellars, attics, and spaces that are not used frequently or during extended periods.

16) Height

  • “height” as applied to a building means vertical measurement of the building measured from the finished mean level of the street where such street exists or from the mean level of the ground adjoining the outside of the external walls to half the height of the roof in the case of sloping roofs and to the highest level of the building in case of building with flat roof, excluding the projected portions of mumties, flues, ducts, building maintenance unit, machine room, minarets, water tank and parapets not exceeding 1.2 metre in height.
  • Architectural features serving no other functions except that of the decoration shall be excluded for the purpose of taking heights. 
  • Height as applied to a room shall mean the vertical measurement from the top surface of the floor to the lowest surface of the ceiling of the same room, joist and beams being allowed to project beneath the ceiling, and in the case of a sloping ceiling, the height shall be the mean height of any such room;

17) Mezzanine floor

  • “mezzanine floor” means an intermediate floor, between two floors, with area restricted to 1/2(half) of the area of the lower floor and with a minimum clear height of 2.3 metres and shall not be lower than 2.3 metres (clear height) above floor level;

18) Proof consultant

  • “proof consultant” shall be a person who is a Structural Engineer or a Group/ Firm of Structural Engineers having post-graduate qualification in structural engineering with ten years experience in structural design and evaluation thereof, for multi-storeyed and specialized structure, and/ or an institute of the following type, employed for evaluation/ checking of the structural design of the buildings referred to in the relevant Form BR-V(A2) for all buildings above 15 metres height (including stilt)
  1. Institute of Structural Engineers (India).
  2. Central Building Research Institute, Roorkee.
  3. Various engineering institutes, like
  • Indian Institute of Technology;
  • Punjab Engineering College, Chandigarh;
  • National Institute of Technology;
  • Any other institute of repute;

19) Structural Engineer

  • “Structural Engineer” means a person who is a post graduate in structural engineering from a recognized Indian or Foreign University or Corporate Member of Civil Engineering Division of the Institute of Engineers of India or equivalent Institute with a minimum of three years experience in structural engineering practice in designing structures and field work and/ or registered as such with the Competent Authority, employed for preparation of structural design of buildings upto 15 metres height. However, only the Structural Engineer Possessing post graduate qualification in structural engineering along with a minimum of 3 years experience in the design of multi storey and specialized structure and/ or registered with Competent Authority shall be employed to undertake and submit the structural design of buildings other than residential and commercial buildings upto 15 metres height (including stilt), as per the requirements of the relevant Form BR-V(A2).

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