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State of Haryana - Section
Section 40 in The Haryana New Mandi Townships Building Rules, 1967
40. Thickness of walls (determined by prescribed condition) of residential buildings - [Section 4(2)(1) and (h)].
- In residential building every external or party wall built in masonry shall be constructed of a thickness in accordance with the following table. For the purposes of this table any left, balcony or mezzanine floor of more than 3 metres (9.8425") in width shall be considered as forming a storey for determining the thickness of walls which support it. The thickness for any wall obtained in accordance with this table shall be subject to the provisions of all other rules in so far as they are applicable.| Height of wall | Length of wall | Thickness of wall when built in cement and sand mortar 1:3 to1:4 | Thickness of wall when built in lime sand and surkhi mortar1:2 or cement sand mortar 1:6 | Thickness of wall when built in mud mortar |
| 1 | 2 | 3 | 4 | 5 |
| 1. Structural external party walls exposed to weather | Whatever the length | Atleast 34.29cm (13½") or cavity wall 27.94 (11") | Atleast 34.29 cm (13½") | Atleast 34.29 cm (13½") |
| 2. Structural external and party walls protected fromweather. Not exceeding 5 mt. (16.404") | Ditto | 22.86 Cm.(9") for the whole of its length | 22.86 Cm. (9") to 2 mt. 6.632 ft. and 24.29 Cm.(13½") for the rest of the bottom portion | 34.29 (13½") for the whole of its height. |
| Exceeding 5 metres (16.404") but not exceeding 7.5 metres(24.6064') | Not exceeding 9 metres (29.258') | 22.86 Cm. (9") for the whole of its height | 34.29 Cm. (13½") for the base of the height onone storey and 22.86 (9") for the rest of its height. | 45.72 (18") from the base for the height of one storeyand 34.29 cm (13½") for the rest of its height. |
| Exceeding 9 metres (29.258') | 34.29 Cm. (13½") from the base for the height of onestorey and 22.86 Cm. (9") for the rest of its height | Ditto | Ditto | |
| Exceeding 7.5 metres (4.6064') but not exceeding 7.5 mt. fromthe 24.6064 but not exceeding 10.50 metres (34.4484') | Not exceeding 9 metres | 22.86 cm (9") for the whole of its height | 34.39 Cm. (13½")from the base for the height of 2storeys and 22.86 Cm. (9") for the rest of its height. | 45.72 Cm. (18") from the base for the height of 2storeys and 34.29 Cm. (13½")for the rest of itsheight. |
| 34.29 Cm. (13½") | from the base for the height of 2 storeys and 22.86 Cm. (9")for the rest of its heights | Ditto | Ditto | |
| Exceeding 10.50 metres (34.6484') | 34.29 Cm. (13½") from the base for the height of2 storeys and 22.86 Cm. (9") for the rest of its height. | Ditto | Ditto | |
| Exceeding 9 metres (29.528') but not exceeding 12 metres(39.37') | Not exceeding 10.50 metres (34.6484') | 34.29 Cm. (13½") from the base for the height of2 storeys and 22.96 Cm. (9") for the rest of its height. | 45.72 Cm. (18") from the base for the height 1 storey34.29 Cm. (13½") for the height of next 2 storey and22.86 cm (9") for the rest of the height. | 57.15 cm (22½") from the base for the height of 1storey 45.72 Cm. (18") for the height of next two storeysthe 34.29 (13½") for the rest of its height. |
| Exceeding 10.50 metres (34.6484') | 45.72 Cm. (18") from the base for height of next 2storeys, and 22.86 (9") for the rest of its height. | Ditto | Ditto | |
| Exceeding 12 metres (39.37') but exceeding 15 metres (29.213') | Not exceeding 10.50 meters (34.6484') | 45.72 Cm. (18') from the base for the height of 1 storey 34.29Cm. (13½") for the height of next 2 storeys and22.86 Cm. (9") for the rest of the height. | 45.72 Cm. (18") from the base for the height of 1 storey34.29 Cm. (13½") for the height of next 2 storeysand 22.86 Cm. (9") for the rest of the height. | Ditto |
| Exceeding 10.50 metres (34.484') but not exceeding 13.50 mt.height (44.2944") | 45.72 Cm. (18") from the base for the height of 2storeys, 34.29 Cm. (13½")for the rest of its height | Ditto | Ditto | |
| Exceeding 13.50 metres (44.2914') | 57.15 Cm. (22½") from the base for the height of2 storey 45.72 Cm. (18") for the height of next 1 storeysand 34.29 Cm.(13½") for the rest of its height. | 57.15 Cm. (22½) from the base for the height of 2storeys 45.72 Cm. (18") for the height of next 1 storey and34.39 Cm. (13½")for the rest of its height. | Ditto |