In the cases of restoration the owners/occupiers shall submit the structure stability certificate in Form No. 11 to the Competent Authority after restoration/repairs or strengthening.
5 GRANT OR REFUSAL OF THE PERMISSION
“On receipt of the application for Development Permission, the Competent Authority after making such inquiry as it thinks fit may communicate its decisions granting with or without condition including condition of submission of detailed working drawing/structural drawing alongwith soil investigation report before the commencement of the work as per clause 2(i) or refusing permission to the applicant as per the provisions of the Act.
The Competent Authority, however, may consider to grant exemption for submission of working drawing, structural drawing and soil investigation report in case the Competent Authority is satisfied that in the area where the proposed construction is to be taken, similiar types of structure and soil investigation reports are already available on record and such request is from an individual owner/developer, having plot of not more than 500 sq. mt. in size with a maximum 3 storied residential building.”
7. PROCEDURE DURING CONSTRUCTION
(a) Recognised stages for progress certificate and checking :-
1) Following shall be recognised stages in the erection of every building or the execution
of every work :-
i) Plinth, in case of basement before the casting of basement slab.
ii) First Storey.
iii) Middle Storey in case of High-rise building
iv) last storey.
2) At each of the above stages, the owner/developer under these Development Control Regulations shall submit to the competent designated officer of the Competent Authority a progress certificate in the given formats [Form Nos. 6(a) – 6(d)]. This progress certificate shall be signed by the Architect and supervising engineer.
3) No person in-charge at any stage shall, except with previous written permission of the Competent Authority, carry out further work after the issue of any requisition of these Development Control Regulations in respect of the any previous stage unless the requisition has been duly complied with and the fact reported to the Competent Authority.
4) (a) The progress certificate shal not be necessary in the following cases :
i) Alteration in Building not involving the structural part of the building
ii) Extension of existing residential building on the ground floor upto maximum 15 sq. mts.in the area.
(b) On receipt of the progress certificate from the owner/developer, it shall be the duty of the Competent Authority to check any deviation from the approved plan and convey decision within 7 days to the owner/developer for compliance.
In case of deviation from working drawings or structure design at any stage of construction the owner/developer shall produce necessary certificate from architect/structural designer with certificate that the construction confirms to these regulations. In that case the revised working drawing and structural design shall be submitted in accordance with this regulations.
(c) Completion Report
1) It shall be incumbent on every person whose plans have been approved, to submit a completion report in Form No. 7.
2) It shall also be incumbent on every person who is engaged under this Development Control Regulations to supervise teh erection of re-erection of the building, to submit the completion report in form No. 8 prescribed under these Development Control Regulations.
3) No completion report shall be accepted unless completion plan is approved by the Competent Authority.
(d) The final inspection of the work shall be made by the concerned Competent Authority within 21 days from the date of receipt of notice of completion report.
8. HEIGHT OF BUILDING
Height of the building shall be measured from teh road level/plot level whichever is higher, to the highest point in the building, excluding the parapet not exceeding 1.5 m.
9. RELAXATION IN F.S.I. :
The Competent Authority shall permit the F.S.I, of any plot or a building unit on the basis of its original area, if the owner of such a land is prepared to release the effected land by road widening or for construction of new road without claiming any compensation thereof. The_minimum setback shall be provided from new road line subject to other regulations.
10. ADDITION TO EXISTING STRUCTURES :
The addition to any existing structure shall only be permitted unless if it complies with the provision of regulation No. 13.
11. STRUCTURL REQUIREMENTS :
(i) Load bearing walls of the building shall be of Brick stone or pre cast block in any mortar. In the case of R.C.C. framed structure or wooden framed structure filler walls may be of suitable local materials.
(ii) Roof of the building shall be of galvanized iron sheets, asbestos sheet, tiles roof or R.C.C. roof in the case of upper storied buildings middle floor shall be of wooden or R.C.C. and rest as per choice.
(iii) Doors and windows of building shall be of any material.
(iv) Rest of the work of building shall be as per locally available resources and as per choice.
(v) For structural safety and services, regulation 13 below shall be applicable.
12. PLINTH :
Provided that the ground floor of the building may be permitted on stilts/pillars instead of a solid plinth with a clear height of 2.4 Mts. in case of slabs with beams height should not exceed 2.8 Mts. and further that this space shall at all times be kept free from any enclosure except for genuine stair-case.
Provided further that a electric meter room, room for telephone D.B.; bath-room, water-room, stair-case room, pump room, water closet, servant room, security cabin may be allowed with a minimum plinth of 30 cms. and that the parking garage may have no plinth.
In case the ground floor is on stlilts/pillars provisions of regulation 13 shall be followed.
13 STRUCTURAL SAFETY AND SERVICES
(1) STRUCTRUAL DESIGN
The structural design of foundations, elements made of masonry, timber, plain concrete, reinforced concrete, pre-stressed concrete and structural steel shall conform to the provisions of part VI Structural Design Section-1 Loads, Section-2 Foundation, Section-3 Wood, Section-4 Masonry, Section-5 Concrete, Section-6 Steel, National Building Code of India, taking into consideration the Indian Standards and Guidelines for hazards safety as given below :
a) FOR EARTHQUAKE PROTECTION
1. IS : 1893:1984 “Criteria for Earthquake Resistant Design of Structures
(Fourth Revision)”
In case the ground floor is on stilts/pillars and other soft stories in buildings/floors not specifically provided for taking shear generated by earthquake forces shall be so designed to have sufficient lateral stiffness to provide structural stability as per IS: 1893.
2. 18:13920-1993 “DUctile Detailing of Reinforced Concrete Structures subjected to Seismic Forces – Code of Practice”
3. 18:4326-1993 “Earthquake Resistant Design and Construction of Buildings – Code of Practice (Second Revision)”
4. IS:13828-1993 “Improving Earthquake Resistance of Low Strength Masonry Buildings – Guidelines”
5. IS:13827-1993 “Improving Earthquake Resistance of Earthern Buildings -Guidelines”
6. 18:13935-1993 “Repair and Seismic Strengthening of Buildings -Guidelines”
7. “Improving Earthquake Resistance of Buildings – Guideline”, by Expert Group, Government of India, Ministry of Urban Affairs & Employment, published by Building Materials and Technology Promotion Council, 1998.
b) FOR CYCLONE/WIND STORM PROTECTION
8. IS 875 (3) – 1987 “Code of Practice for Design Loads (other than Earthquake) for Buildings and Structures, Part 3, Wind Loads”
9. “Improving Wind / Cyclone Resistance of Buildings – Guidelines”, by Expert Group, Government of India, Ministry of Urban Affairs & Employment, published by Building Mateials and Technology Promotion Council, 1998.
NOTE : Whenever an Indian Standard including those referred in the National Building Code or the National Building Code is referred, the latest version of the same shall be followed.
(2) In pursuance of above, a certificate as indicated in Form – 2(c) shall be submitted alongwith building plans/drawings and other building information schedule annexed thereto.
(3) Quality Control Requirements
(i) The quality of all materials and workmanship shall conform to accepted standards and Indian Standard Specifications and Codes as included in Part V Building Materials and Part VII Constructional Practices and Safety, National Building Code of India.
(ii) All borrow pits dug in the course of construction and repair of buildings, embankments etc. shall be deep and connected with each other in the formation of a drain directed towards the lowest level and properly stepped for discharge into a river, stream, channel or drain, and no person shall create any isolated borrow pit which is likely to cause accumulation of water that may breed mosquitoes.
(iii) Alternative materials, method of design and construction and tests :-
The provisions of the Regulations are not intended to prevent the use of any material or method of design of construction not specifically prescribed in them provided any such alternative has been approved. Nothing of the provisions of these Regulations is intended to prevent the adoption or architectural planning and layout conceived as an integrated development scheme. The Competent authority may approve any such alternative if it conforms to the provisions of the relevent parts of the National Building Code, regarding material, design and construction, and the material, method, or work offered is, for the purpose intended, at least equivalent to that prescribed in these Regulations in quality, strength, compatibility, effectiveness, fire and water resistance, durability and safety.
(iv) All buildings shall be constructed on a Quality Control Requirements.
(4) TESTS :
Whenever there is insufficient evidence of compliance with the provision of the Regulations or evidence that any material or method of design or construction does not conform to the requirements of the Regulations, in order to substantiate claims for alternative materials, design or methods of construction, the Competent Authority may require tests, sufficiently in advance, as proof of comliance. These tests shall be made by an approved agency at the expense of the owner as follows :-
(i) TEST METHODS :- Test methods shall be as specified by the Regulations for the materials or design or construction in question. If there are no appropriate test methods specified in the Regulations the Competent Authority shall determine the test procedure. For methods or tests for building materials, reference shall be made to the relevant Indian Standards as given in the National Building Code of India published by the Bureau of Indian Standards.
(ii) TEST RESULT TO BE PRESERVED :- Copies of the result of all such tests shall be retained by the Competent Authority for not less then two years after the acceptance of the alternative material
The testing of the materials as per Indian Standards shall be carried out by laboratories approved by the competent authority in this behalf.
The laboratory/agency shall work out in consultation with the construction agency a testing programme of materials such as cement, steel and quality of concrete including its mixing, laying and strength at site as well as in the laboratory.
=’margin-left:41.65pt;text-align:left; text-indent:0in;line-height:16.8pt’>iii) Middle Storey in case of High-rise building
iv) last storey.
2) At each of the above stages, the owner/developer under these Development Control Regulations shall submit to the competent designated officer of the Competent Authority a progress certificate in the given formats [Form Nos. 6(a) – 6(d)]. This progress certificate shall be signed by the Architect and supervising engineer.
3) No person in-charge at any stage shall, except with previous written permission of the Competent Authority, carry out further work after the issue of any requisition of these Development Control Regulations in respect of the any previous stage unless the requisition has been duly complied with and the fact reported to the Competent Authority.
4) (a) The progress certificate shal not be necessary in the following cases :
i) Alteration in Building not involving the structural part of the building
ii) Extension of existing residential building on the ground floor upto maximum 15 sq. mts.in the area.
(b) On receipt of the progress certificate from the owner/developer, it shall be the duty of the Competent Authority to check any deviation from the approved plan and convey decision within 7 days to the owner/developer for compliance.
In case of deviation from working drawings or structure design at any stage of construction the owner/developer shall produce necessary certificate from architect/structural designer with certificate that the construction confirms to these regulations. In that case the revised working drawing and structural design shall be submitted in accordance with this regulations.
(c) Completion Report
1) It shall be incumbent on every person whose plans have been approved, to submit a completion report in Form No. 7.
2) It shall also be incumbent on every person who is engaged under this Development Control Regulations to supervise teh erection of re-erection of the building, to submit the completion report in form No. 8 prescribed under these Development Control Regulations.
3) No completion report shall be accepted unless completion plan is approved by the Competent Authority.
(d) The final inspection of the work shall be made by the concerned Competent Authority within 21 days from the date of receipt of notice of completion report.
8. HEIGHT OF BUILDING
Height of the building shall be measured from teh road level/plot level whichever is higher, to the highest point in the building, excluding the parapet not exceeding 1.5 m.
9. RELAXATION IN F.S.I. :
The Competent Authority shall permit the F.S.I, of any plot or a building unit on the basis of its original area, if the owner of such a land is prepared to release the effected land by road widening or for construction of new road without claiming any compensation thereof. The_minimum setback shall be provided from new road line subject to other regulations.
10. ADDITION TO EXISTING STRUCTURES :
The addition to any existing structure shall only be permitted unless if it complies with the provision of regulation No. 13.
11. STRUCTURL REQUIREMENTS :
(i) Load bearing walls of the building shall be of Brick stone or pre cast block in any mortar. In the case of R.C.C. framed structure or wooden framed structure filler walls may be of suitable local materials.
(ii) Roof of the building shall be of galvanized iron sheets, asbestos sheet, tiles roof or R.C.C. roof in the case of upper storied buildings middle floor shall be of wooden or R.C.C. and rest as per choice.
(iii) Doors and windows of building shall be of any material.
(iv) Rest of the work of building shall be as per locally available resources and as per choice.
(v) For structural safety and services, regulation 13 below shall be applicable.
12. PLINTH :
Provided that the ground floor of the building may be permitted on stilts/pillars instead of a solid plinth with a clear height of 2.4 Mts. in case of slabs with beams height should not exceed 2.8 Mts. and further that this space shall at all times be kept free from any enclosure except for genuine stair-case.
Provided further that a electric meter room, room for telephone D.B.; bath-room, water-room, stair-case room, pump room, water closet, servant room, security cabin may be allowed with a minimum plinth of 30 cms. and that the parking garage may have no plinth.
In case the ground floor is on stlilts/pillars provisions of regulation 13 shall be followed.
13 STRUCTURAL SAFETY AND SERVICES
(1) STRUCTRUAL DESIGN
The structural design of foundations, elements made of masonry, timber, plain concrete, reinforced concrete, pre-stressed concrete and structural steel shall conform to the provisions of part VI Structural Design Section-1 Loads, Section-2 Foundation, Section-3 Wood, Section-4 Masonry, Section-5 Concrete, Section-6 Steel, National Building Code of India, taking into consideration the Indian Standards and Guidelines for hazards safety as given below :
a) FOR EARTHQUAKE PROTECTION
1. IS : 1893:1984 “Criteria for Earthquake Resistant Design of Structures
(Fourth Revision)”
In case the ground floor is on stilts/pillars and other soft stories in buildings/floors not specifically provided for taking shear generated by earthquake forces shall be so designed to have sufficient lateral stiffness to provide structural stability as per IS: 1893.
2. 18:13920-1993 “DUctile Detailing of Reinforced Concrete Structures subjected to Seismic Forces – Code of Practice”
3. 18:4326-1993 “Earthquake Resistant Design and Construction of Buildings – Code of Practice (Second Revision)”
4. IS:13828-1993 “Improving Earthquake Resistance of Low Strength Masonry Buildings – Guidelines”
5. IS:13827-1993 “Improving Earthquake Resistance of Earthern Buildings -Guidelines”
6. 18:13935-1993 “Repair and Seismic Strengthening of Buildings -Guidelines”
7. “Improving Earthquake Resistance of Buildings – Guideline”, by Expert Group, Government of India, Ministry of Urban Affairs & Employment, published by Building Materials and Technology Promotion Council, 1998.
b) FOR CYCLONE/WIND STORM PROTECTION
8. IS 875 (3) – 1987 “Code of Practice for Design Loads (other than Earthquake) for Buildings and Structures, Part 3, Wind Loads”
9. “Improving Wind / Cyclone Resistance of Buildings – Guidelines”, by Expert Group, Government of India, Ministry of Urban Affairs & Employment, published by Building Mateials and Technology Promotion Council, 1998.
NOTE : Whenever an Indian Standard including those referred in the National Building Code or the National Building Code is referred, the latest version of the same shall be followed.
(2) In pursuance of above, a certificate as indicated in Form – 2(c) shall be submitted alongwith building plans/drawings and other building information schedule annexed thereto.
(3) Quality Control Requirements
(i) The quality of all materials and workmanship shall conform to accepted standards and Indian Standard Specifications and Codes as included in Part V Building Materials and Part VII Constructional Practices and Safety, National Building Code of India.
(ii) All borrow pits dug in the course of construction and repair of buildings, embankments etc. shall be deep and connected with each other in the formation of a drain directed towards the lowest level and properly stepped for discharge into a river, stream, channel or drain, and no person shall create any isolated borrow pit which is likely to cause accumulation of water that may breed mosquitoes.
(iii) Alternative materials, method of design and construction and tests :-
The provisions of the Regulations are not intended to prevent the use of any material or method of design of construction not specifically prescribed in them provided any such alternative has been approved. Nothing of the provisions of these Regulations is intended to prevent the adoption or architectural planning and layout conceived as an integrated development scheme. The Competent authority may approve any such alternative if it conforms to the provisions of the relevent parts of the National Building Code, regarding material, design and construction, and the material, method, or work offered is, for the purpose intended, at least equivalent to that prescribed in these Regulations in quality, strength, compatibility, effectiveness, fire and water resistance, durability and safety.
(iv) All buildings shall be constructed on a Quality Control Requirements.
(4) TESTS :
Whenever there is insufficient evidence of compliance with the provision of the Regulations or evidence that any material or method of design or construction does not conform to the requirements of the Regulations, in order to substantiate claims for alternative materials, design or methods of construction, the Competent Authority may require tests, sufficiently in advance, as proof of comliance. These tests shall be made by an approved agency at the expense of the owner as follows :-
(i) TEST METHODS :- Test methods shall be as specified by the Regulations for the materials or design or construction in question. If there are no appropriate test methods specified in the Regulations the Competent Authority shall determine the test procedure. For methods or tests for building materials, reference shall be made to the relevant Indian Standards as given in the National Building Code of India published by the Bureau of Indian Standards.
(ii) TEST RESULT TO BE PRESERVED :- Copies of the result of all such tests shall be retained by the Competent Authority for not less then two years after the acceptance of the alternative material
The testing of the materials as per Indian Standards shall be carried out by laboratories approved by the competent authority in this behalf.
The laboratory/agency shall work out in consultation with the construction agency a testing programme of materials such as cement, steel and quality of concrete including its mixing, laying and strength at site as well as in the laboratory.