introduction about disaster risk reduction
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The document outlines the responsibilities of the Development Control Wing of the Capital City Development Authority (RAJUK) in Bangladesh, which include approving building plans and regulating construction within the Dhaka metropolitan area. It highlights the country's geographical and demographic context, the vulnerability to various natural disasters, and the problems arising from poorly constructed buildings due to violations of safety codes. Additionally, it addresses ongoing risks such as earthquakes and fires, and the lack of enforcement of construction regulations leading to potential disasters.
introduction about disaster risk reduction
- 1. Md Hassanuzzaman Authorized Officer Development Control Wing Capital City Development Authority(RAJUK) of Bangladesh Welcome to my Presentation Responsibilities: To approve private building plan of Dhaka Metropolitan Plan area under the Building construction Act 1952, Dhaka Building construction rule 2008, and BNBC2020. Regulating the construction of private building in Dhaka metropolitan area according the Building construction Act 1952, and BNBC2020. To consult with the improvement process of building regulatory system according to concern code & rules. To give service the public directly in field/site for private building.
- 2. Organogram of Capital Development Authority(RAJUK) Chairman Member (Planning) Member (Development) Member (Development Control) Member (Admin) Member (Estate) Director(Zonal) Authorized Officer Concern Officials Concern Officials Concern Officials Concern Officials Asst. Authorized Officer Chief Building Inspector Building Inspector
- 3. • Bordered by India at three side(North, East & West), Myanmar at South-East part, Bay of Bengal situated at southern part of this country. • Bangladesh lies between latitudes 24º and 27º N and longitudes 88º and 93º E. • Total area 1,48,460 sq.km 93.6 % land whereas 6.4 % water • Population is 170 million (according to 2022 census) • Country is one of the largest producer of rice, tea, potato, onion and mustard. • It has the largest mangrove forest (Sundarban), which protects severity of cyclone. • There have various tourist place like Cox’s bazar, Rangamati, Sundarban and cultural/Historical spot. • It is a land of festival, pahela baishak (14 april) is the first day of Bangla calendar and others. Outline of the country Source: https://en.wikipedia.org/wiki/Bangladesh
- 4. Flood Drought Tornado Fire Hazard Earthquake River Erosion Flash Flood Cyclone and Tidal Surge Hail Storm and lightning Landslide Salinity Intrusion Outline of Risks of Disasters Bangladesh is vulnerable to both disasters and climate change and ranked the seventh extreme disaster risk-prone country in the world as per the report from the Global Climate Risk Index 2021
- 5. From figure (A) & (C), it is clear that, cyclone, heavy storm hits at the southern part of our country. Whereas; flood attacks the northern part of this land. Again, From figure (B) & (C), flash flood is happened at some eastern part, & drought is a phenomena of north western part. Map of Disaster prone areas in Bangladesh Cyclone (A), Drought (B) and Flood (C).
- 6. Heaviest damages in our country • The heaviest damage due to building collapse named Rana Plaza tragedy (2013) despite the absence of external forces, resulting in the deaths of 1,135 people. Picture: The Rana Plaza (Garments building, Savar, Dhaka) collapse
- 7. Heaviest damages in our country At least 27,624 fires killed 102 people and injured 281 last year, compared to the previous year, according to data from the Fire Service and Civil Defence of Bangladesh. Source: news Paper ‘The Daily Star’ Massive Fire Kills 44 People In Dhaka on February 29, 2024 At least 44 people were killed in a fire that broke out at the seven-storey Green Cozy Cottage Shopping Mall on Bailey Road in Dhaka on 29 February 2024. Massive Fire Damages In different place of Dhaka Nimtoli fire killed 124 people on June 2010 in Dhaka
- 8. Flash floods in August, triggered by heavy rainfall and upstream water flows from India, have had a devastating impact on communities across 11 districts in the eastern regions of the country. Situation report by UN till 30 august, 2024 Recent heaviest damages in our country Affected districts of Bangladesh During flood in August Flood in Bangladesh, August 2024
- 9. The most affected regions are Chittagong, Khulna and Dhaka. In the months before (May to June) and after (October to November), the most severe storms occur. Severe cyclonic storm Remal hit coasts in Bangladesh and India on 26 May 2024. The highest recorded wind speed was 111 km/h on 27 May 2024 The storm surge, accompanied by extremely heavy rainfall, caused flooding of 5-8 feet in the coastal districts. Recent heaviest damages in our country
- 10. Bangladesh has become earthquake-prone gradually. Occasionally, the country witness small and moderate earthquakes. In 2023 alone, Bangladesh saw a surge in earthquakes, recording six incidents above 5.0 on the Richter scale The map shows that, North east part is more EQ hazardous, and south west part is less vulnerable. Future risks There are sub-duction zones in the east and north of the country while three major active faults have been found so far having potential to generate 7.0–8.5 magnitude earthquake
- 11. Fire hazard has also become a frightening phenomenon in urban area. Amid poor enforcement of safety rules, the number of fire incidents has risen in the last four years. Future risks Fire incident in a Market In Dhaka on April 04, 2023 At least 74 people were killed by lightning strikes during April to mid of May, 2024 An average of 300 lightning-related fatalities annually are recorded in Bangladesh, according to the UN.
- 12. Popular construction method for Houses of low income people Popular construction method for Houses of middle income people Category Roof Wall Floor Low income people Corrugated sheet Bamboo, thatch leaves Mud/wood Medium income people Concrete Brick Concrete Outline of the buildings of the country
- 13. 6 storied RCC Building Popular Construction Method for 4-6 Story Range Buildings 4 storied RCC Building 5 storied RCC Building In our country, 4-6 storied residential buildings are RCC structure mostly. Usually, the buildings have beams, columns & shear walls. For commercial purpose, sometimes steel frames are used.
- 14. City centre_37 floors RCC structure Bangladesh Bank_31 floors RCC structure Doreen Tower_25 floors RCC structure Shanta Skymark 17 floors Steel structure Popular Construction Method of 20 stories & over
- 15. Though building regulatory body scrutinize the design of buildings and approval of private buildings, sometimes the approved designs are violated during the construction phase. This faulty construction may cause disaster hazards in the country. No quality controls of construction work but inspection is very improper due to manpower and logistics. Buildings without building permission Quality of materials of private building checking is not monitored by govt. authority yet due to proper manpower and resources. There have authority to demolish the unauthorized part of buildings but it is not signicant. Non-compliant designs, poor quality of materials. Inadequacy of proper building code compliances. Lack of awareness about building disaster of common people. Issues Facing Violating Codes:
- 16. THANKS