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TamilNadu District Municipalities building Rules,1972
(Amendment incorporated up to 26thSeptember 1989)
In exercise of powers conferred by Section 191 and sub-section (I) of section 303 of the TamilNadu District Municipalities Act 1920 (TamilNadu Act V of 1920) and in suppression of the rules published with Local Self Government Department /Notification No.31,Health,published at page 2-16 of Supplement of Part I-A of the Fort St.George Gazette ,dated the 4th August 1942 as subsequently amended in suppression of the Rural Development and Local Administration Department Notification no.550 of 1966, published at pages 557-574 of part V of the Fort St.George Gazette, dated the 5th June 1966,the Government of Tamilnadu hereby makes the following rules for regulating and restricting the buildings and use of sites for building.
Short title, extent and commencement- (1) These rules may be called Tamilnadu District Municipalities Building Rules,1972.
The building rules shall apply to the whole of the area of Coimbatore Corporation.
Definitions:- In these rules unless there is any thing repugnant in the subject or context:-
(i) 'Act' means the TamilNadu District Municipalities Act,1920 (TamilNadu Act V of 1920).
(ii) 'Appendix' means an appendix to these rules.
(iii) 'Dwelling' means family occupation in a building which is not designed or intended to be used as a dwelling house.
(iv) 'Dwelling house ' means a house designed or intended to be used wholly or principally for human together with such out buildings, latrines and other erections as are ordinarily used or intended to be used therewith.
(v) 'Government' means the State Government.
(vi) 'Plot' means a continuous portion of land held in single or joint ownership other than land used, allocated or set apart for any street, lane ,passage, pathway or other common public purposes.
(vii) 'Site for building' include all the land within thecartilage of the building and forming its appurtenances such as out-buildings yard, court, open space and garden attached there to or intends to be occupied therewith.
(viii) 'Alteration' means a change or addition in construction, use or arrangement or a dwelling or a building.
(ix) 'Frame buildings' means a building in which the loads either dead or alive are carried by timber, steel or reinforced concrete framing.
(x) 'Habitable Room' means a room intended for living, eating or sleeping for a person or persons but not including storerooms, toilet, baths and corridor or passage.
(xi) 'Dead Load' means the weight of all permanent stationery construction becoming part of a structure.
(xii) 'Live Load' means all loads except dead loads that may be imposed on a structure, wind loads will also be considered as live loads.
(xiii) 'External wall' means an outer wall or vertical enclosure of any building .
(xiv) 'Partition Wall' means a wall which supports no load other than its own weight.
(xv) 'Load bearing Wall' means a wall that carries dead load other than its own weight.
(xvi) 'Structure' means something constructed or built having a fixed base on or fixed other connection to the ground or other structure.
(xvii) 'Storey' means the part of a building between the upper surface of the floor and upper surface of the floor above or the under side of roof.
(xviii) 'Qualified Engineer or Architect' means any person having a degree or diploma of University of recognized Institution in civil Engineering or Architecture.
(xix) 'Floor Area Ratio (F.A.R) means the quotient obtained by dividing the multiple of the total covered area of all floors by the area of the plot.
(xx) 'Plot Coverage' means the extent which the plot is covered with a building or structure and this expressed as percentage of the ratio of the built up area plot area.
Application for approval of other than huts and sites for building :-
(1) Every person who intends to construct, reconstruct or alter or add to a building other than a hut, shall submit an application to executive Authority for the approval of the site and for permission to execute the work in the forms specified which is available in the Corporation Office.
(2) It shall be accompanied by :-
(i) A site plan (in triplicate) of the lands on which the building is to be constructed, reconstructed or altered or added to, drawn or reproduced in a clear and intelligible manner on suitable and durable material and complying with the requirement.
(ii)A plan or plans (in triplicate) of the building to be constructed ,reconstructed or altered or added to drawn or reproduced in a clear and intelligent manner on suitable and durable material and showing a ground plan, plans of elevations of each floor and sections of the buildings and complying with the requirements.
(iiiA specification (in triplicate) complying with the requirements.
(3) The application as well as the plans and specification shall be signed by the owner of the site and building or to be accompanied by a letter of authority or consent from the owner of the site and building if the applicant himself is not the owner. They shall also be signed by licensed builder, surveyor, architect or engineer ,in case the bye laws of the municipal council require the compulsory employment of a licensed builder, surveyor, architect or engineer in the construction, reconstruction or alteration of or addition to a building.
(4) Application for approval and sites therefore huts:-
(1) Every person who intends to construct, reconstructs or alters or add to a hut shall submit an application to the Executive Authority in the form available in the Corporation Office.
Appendix A-1 together with a site plan in triplicate of the land in which the hut is to be constructed, reconstructed or altered or added to complying with the requirements specified in Appendix B as far as may be necessary. He shall also furnish information as to the purpose for which the hut is proposed to be constructed, reconstructed or altered or added to.
(5) Proximity of conducts or aerial lines:
Permission to the construction or reconstruction, of or addition or alteration to a building shall be refused in case where the clearance between the building and the aerial lines is less than-
(a) 1.5 meters for low tension lines, 1.75 meters for high tension lines from accessible portion measured horizontally.
(b) 2.5 meters from portions of buildings not accessible to persons, measured vertically; and
(c) 4.5 meters from accessible portion of buildings, measured vertically;
No site lying within the distance of 30 meters from the Railway boundary shall be used for the construction of "building" wall or other masonry construction without the consent of Railway authorities who may refuse such consent it in their opinion, the site is required for Railways.
Sites-(1) no site shall be approved for the construction or erection of a dwelling or a dwelling house unless it has an extent of not less than 95 square meters and a minimum width of 6 meters. Provided that in respect of reconstruction in built up areas or residential localities, where the house are so situated that they are in a chain ,the above minimum extent and the width of the site obtaining prior to reconstruction, whichever is less shall apply; Provided further this rule will not apply to shops, offices and go downs;
(4) No site be used for the construction of a building intended for public worship or religious purposes, without the prior approval, of the Collector the district.
(5) No site, which is situated within a distance of 90 meters from a place used, as a burning or burial place or ground shall be used for the construction of any building, without the prior approval of the Health Officer.
(7) Location of building :-Every person, who constructs, reconstructs or alters or add to building, shall wherever the site is within 15 meters of any tank, reservoir ,water-course, river, fresh water channel or well, on such measure as may be necessary or as the EXECUTIVE Authority may direct.
ii.) Space about surroundings and height of buildings:-
(1) This rule applies only to buildings, newly constructed or reconstructed, to the conversion into a dwelling house of a building, newly constructed or reconstructed , tothe conversion into dwelling house of a building not originally constructed as a dwelling house and to additions made to existing building, irrespective of whether the new construction, conversion or addition to in the ground floor, first floor or any other upper floor. In the case of an addition to any existing building the rule shall apply in respect of the addition only and to the whole building.
(2) In the case of a public or private street not being a conservancy lane, no building shall be built
(a) within 1.3 meters of the boundary of the street;
(b) in the space between the building line and the street alignments as defined under section 166 of the Act.
"Provided that any sunshade, canopy eaves or other similar projecting portions of the buildings may also be allowed to a width not exceeding 0.6 meter and above a height of 2.5 meters, measured from ground level, if no pillar, was or other structure is erected in the open space for support". The height of a building shall not exceed one and a half times the width if the street immediately abutting it plus the open space between the street and the building provided that this height may be exceeded to the extent of 1 meter for every 30 centimeters by which the corresponding portion of the building is set back from the street.
(4) Where a building wholly or partly intended for human habitation is not separated from the adjoining buildings on two sides by an open space not less than one-fourth of the area of the site shall be left as vacant space open to the sky.
Parking Space:-Every person intending to construct, reconstruct or alter or add to a building other than a hut, shall-
(a) Provide for the use of the occupants and the persons visiting the premises for the purposes of profession, trade business recreation or any other work necessary parking space and parking facilities within the site, to the satisfaction of the Executive Authority and conforming to the standards specified in the model Bye-laws for parking standards
(b) make necessary provision for the circulation of vehicles gaining access to and from the premises into the street.
Dimensions of rooms:-
(1) Every room (other than a kitchen, bath room or store room) whether newly constructed or reconstructed and intended to be used for purpose of human habitation, shall have-
(a) a height on an average of not less than 2.75 meters and not less than 2.1 meters
(b) a clear superficial area of not less than 7.5 square meters;
(C) a width of not less than 2.5 meters. (2)Every bath room, water closet and the bath room-cum-water closet
whether newly constructed, or reconstructed shall have the following minimum dimensions:-
(1) Bath room .. .. .. 1.8square meters with 1.5 meters
(2) Water Closet .. .. .. 1.08 square meters with o0.9 meter by 1.2 meters
(3)Bath_Room-cum-water closet .. .. .. 2.7 square meters with 1.5 meters by 1.8 meters.
Ventilation of building:-(1) Every room which is intended for human habitation, shall be furnished with sufficient number of windows and ventilators totally providing a ventilation area of not less than one-eighth of the floor area of the room.
(2) Windows and ventilators which open into a verandah shall be deemed to communicate with the external air, provided that such verandah is not more than 3.75 meters wide and open throughout its entire length, into space open to the sky, the width of such open space being double width of the verandah, and in no case less than 1.75 meters
Every domestic building shall be so constructed that every room intended to be used for purposes of human habitation shall have at least one side abutting for a length of not less than 2.5 meters on an open space, either external or internal. Such open space shall be not less than 1.75 meters in width. This rule shall apply to kitchens and store-rooms but not to lavatories and bath-rooms which shall have windows or ventilators of not less than 0.5 square meters abutting such open space:
Stairs:-(1) All storeyed buildings shall be provided with sufficient number of staircases depending on the number of occupants within a distance of not more than 18 meters.
All stairs shall comply with the following requirement:-
Width of stairs:-The clear width of all stairways shall be less than 60 centimeters excluding the handrails.
Headroom:-All stairways shall have at least 2.1 meters of clear headroom, measured perpendicularly from the nosting.
Tread and risers:- Treads and risers shall be so proportioned that the sum of two risers and a tread width is not less than 60 centimeters and more than 62.5 centimeters. No riser shall be more than 17.5 centimeters and no tread width less than 2.5 centimeters. There shall be no variation in the widths of treads or the heights of risers in any one flight of stairs. No stairway should ordinarily be permitted cutting across any window.
Landings:-No stairway shall have a height of more than 3.75 meters between landings nor less than two risers between consecutive landings ,the landings shall have a dimension, not less than the width of stairs, measured in the direction of the run.
Rails:-Hand rails shall be placed not less than the 75 centimeters not more than 1 meter above the nosing the treads.
Ventilation for staircases:-Every staircases shall be lighted and ventilated to the satisfaction of the Executive Authority from an open space. There shall be provided, a window or windows or ventilator or ventilators for an aggregate area of at least 1.5 square meters in each floor in such of the wall of the staircase room as abuts 1.75 meters open space to light and ventilates such staircase.
Passage giving access to staircase :-Even passage in a building in the ground floor shall, in no part, be less than the width of the staircase of such building to which it gives access. Provided that if only one such passage gives access to more than one staircase, its minimum width shall be equal to the width of such staircases plus one half of the total width of the remaining staircases.
Minimum width of doors, corridors of passage:-No door way or corridor or passage serving as exit to a building shall be less than 1 meter in width. The doors of kitchens, bath and flush out latrine shall not be less than 0.60 meter clear in width and the passage leading to the same shall not be less than 0.75 meter.
17. Drains and sanitary conveniences:-I Every building shall be provided with means for the effectual drainage of storm water sullage and sewage from the premises and sufficient and suitable conveyances for the use of the occupants of the buildings.
21. Parking space and access ways- Before granting permission for the construction or reconstruction of or addition or alteration to the building applied for, the Executive Authority Commissioner shall take into consideration the provisions made in the plan for parking space and parking facility under rule 12 above and their adequacy with reference to the standard specified in this regard and the traffic circulation required to be provided under rule 12 and shall refuse permission for such construction or reconstruction, addition or alteration unless suitable arrangements are made by the applicant to provide to the satisfaction of Executive Authority-Commissioner the required parking space, parking facilities and access ways.
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