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Building services chapter 1
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Transcript of Building services chapter 1
CA 205BUILDING SERVICES
PENSYARAH:ENCIK MOHD SHAFRIZAL MD
HASSAN
7.1-Describe the type of valves and pipes, and the country where they are used.
1.8-Discuss the system directly and indirectly in the supply system, cold water
1.9 Discuss the benefits of supply-direct and indirect cold water.
1:10-Music chart in the water supply system for developing countries.
PAIR AT HOME IN THE PIPELINE.FUNCTION:To stop the flow of water when there are repairs the water mains.Sufficient water pressure to control the remote users.Discard the dirty water in the main pipe.
INSTALL THE WATER SUPPLY PIPE AT HOME AS THE LOW PRESSURE: Distribution pipes of the water storage tank.Low pressure heating system.WHEN THE VALVE IS OPENED: there will be no obstacles in the water.
PAIR OF STORAGE TANK IN THE WATER TANK AND SPRAY.FUNCTION:Controlling the entry of water into the tank.Water supply will stop automatically when the desired water level has been obtained.BALL VALVES OPERATED IN NATURE buoys.
AIR TRAVEL USED FOR ONLY ONE WAY.IMPEDE FLOW BACK INTO THE WATER MAIN CHANNEL.IF THE PAIR OFF, THE WATER WILL BE OUT.THE PAIR IN: hot water pipes, pumps and piping branch near fixture.
DETERMINED BY TYPE OF PIPE AND FITNESS OF PURPOSE.PIPES OF INTEREST:Durable.CAN HOLD HIGH TEKAANAN.THE EASY INSTALL.SAFE USE.
1. Galvanized steel pipe (GL)2. Pipe PVC (polyvinyl chloride)3. Upvc Pipes (Unplasticied Polivinyl Chlorid
e)4. Pipe PE (Polyethylene)5. Copper Pipes
Known also as a system without a tank.All sanitary fittings are supplied with cold water directly from the main pipe through a pipe service.
Known also as systems that use storage tanks.Water from the kitchen sink tap is supplied directly from the service pipe.Water bath, toilet and basin water supplied from storage tanks.
In this system, water from the main pipe through the service pipe will be transferred tothe storage tank water first.Storage tank, water distribution pipes into the distribution pipes to the rules of gravity.The purpose of holding tanks is to solve the problem of water supply in the event ofdisruptions in the water.
KELEBIHAN KEKURANGAN
Kurang risiko pencemaran air.
Tidak semua tempat pengeluaran akan mendapat air jika berlakunya gangguan bekalan air.
Tekanan air adalah tinggi.
Boleh menyebabkan berlakunya gegaran air disebabkan tekanan yang tinggi.
Pemasangan dan penyelenggaraan mudah.
Tekanan air rendah pada waktu punca.
KELEBIHAN KEKURANGAN Tekanan air stabil di
semua punca pengeluaran air.
Tangki simpanan perlu diselenggarakan.
Tangki simpanan berkapasiti tinggi untuk menyimpan air yang mencukupi semasa gangguan bekalan air.
Mempunyai risiko pencemaran air daripada tangki simpanan air.
Dapat mangelakkan berlakunya gegaran air kerana tekanan tidak terlalu tinggi.
Pemasangan dan penyelenggaraan sukar.
Kurang permintaan dari bekalan air utama.