(a) The structural design of foundation, elements made by masonry, timbers, plain concrete, reinforced concrete, prestressed concrete and structural steel shall be carried out in accordance with the prevailing I.S.
code of practice taking into consideration the seismic load required to be taken for this region.
(b) Quality of material and workmanship:- All materials and workmanship shall be of good quality conforming generally to accepted standards of A.P.W.D. and Bureau of Indian Standard specification & codes as included in N.B.C. of India.
(c) Damp proof course: - (Applies to non Assam type building only). All walls internal or external shall be provided with an efficient damp proof course not less than 150 mm above ground level.
20. No piece of land shall be used as a site for the construction of a building if.
(a) The Authority considers that site is insanitary or that it is dangerous to construct a building on it.
(b) There is no approach road of at least 3.6 m width to that plot from the main road if this approach road is only to single house, series of houses cannot be constructed.
(c) If any plot is situated in already developed areas, and the means of access is less than the minimum prescribed width, the Authority may consider the proposal with 50% coverage and 100 FAR.
(d) Means of access
(i) No building shall be erected so as to deprive any other building of the means of access.
(ii) Every person who erects a building shall not at any time erect or cause or permit to erect or re-erect any building which in any way encroaches upon and diminishes area set apart as means of access.
(iii) For building identified in Byelaws No. 58.4, 58.7, 58.8, 58.9,
58.11 the following provisions of means of access shall be ensured:
(a) The Authority considers that site is insanitary or that it is dangerous to construct a building on it or if by virtue of smallness or odd shape of the site if the Authority considers that it is not suitable for development or if the site is near a water body or water course and the proposed development is likely to contaminate the said water body or water course or change the course of the channel or if the site is likely to be inundated and satisfactory arrangements for proper drainage is not possible or if the site is a filled up tank NEW REVISED BUILDING BYELAWS FOR GUWAHATI METROPOLITAN AREA-2006 Guwahati Metropolitan Dev. Authority Page No. [23] or low lying or made up of soil by depositing rubbish or offensive matters the proposal is likely to be effected by dampness owing to the sub soil water or if the site does not abut any existing public or private street.
The width of the main street in which the building abuts shall not be less than as given below and the width of road shall be taken as existing available road width or the road width in the revenue record whichever is less.
Maximum road width
1. Residential/Commercial 3.6 m
2. Apartment (A) Upto 12 m. 6.6m (B) Above 12 m height 8 m
3. Multistoreyed commercial / Residential commercial (Mixed use) (A) Above 12 m. height 8m.
(B) Upto 12 m height 6.6m
4. Institutional 9m
5. Hospital / Nursing Home 9m
6. Hall for social gathering/ assembly 9m
7. Industrial / Warehouse etc and similar use 9m N.B. :
(i) The width of a street/ road means the clear average width of the existing carriage way and foot path and drains only on which the building or plot abuts. The minimum width of this existing and the proposed width prescribed by the Authority will be taken for calculating the maximum permissible height of building. The average width shall be computed by taking the width of the road at the last junction point leading to the plot, in front of the plot and at the point where road width is minimum, in cases where the width of the street / road is not regular or uniform all along the length of the road provided that minimum road width is available at entry point, in front of the plot and some other two points.
(ii) However in the newly developed areas the Authority will have the power to refix the minimum road width from time to time considering the developments in these areas.
(iii) Interpretation of: Cl.20. (d).(iii).(a) Sl. 3 (B) should be interpreted as follows:
Upto 12 m height road width should be in between 3.6 m to 6.6. m.
(iv) Where the road is uniformly 6.6 m the apartment be restricted to G+3rd floor with 175 FAR irrespective of GF being made fully parking or not.
Where the road width is more than 6.6 m uniformly but less than 8 m G+4th floor with NEW REVISED BUILDING BYELAWS FOR GUWAHATI METROPOLITAN AREA-2006 Guwahati Metropolitan Dev. Authority Page No. [24] complete GF parking may be allowed subject to maximum 175 FAR.
(b) A building shall abut on a street or streets or upon spaces directly connected from the street by hard surface approach, width of which is not less than 3.6 m
(c) If there is any bend or curve on the approach road, a sufficient width shall be provided at the curve to enable the fire appliances to turn, the turning circle being at least of 9.0 m radius.
(d) Main entrance to the premises shall be of adequate width to allow easy access to the fire engine and in no case it shall measure less than 5 meters. The entrance gate shall fold back against the compound wall of the premises, thus leaving the exterior access way within the plot free for movement of fire service vehicles. If archway is provided over the main entrance the height of the archway shall not be at a height less than 4 m.
(e) For group housing scheme upto 12 m height there shall be a space of minimum 3 m. between individual buildings. For other multistoreyed buildings there shall be a space of minimum 4.8m between individual buildings. 20% of the total area is to be utilized for organized recreational area / gardening.
(f) For a building constructed on stilt with provision of ground level parking floor or semi basement parking, the height of building will be-calculated-as-followed-
2.7 m, G.F. height will not be calculated. But for additional set back calculation height of building will be calculated from actual` ground level.
(g) The minimum distance of any building from the edge of natural drainage channels should be 4.5m.