Building Construction Handbook, Eighth Edition
Water Supply---Basic Requirements ...
General ~ when planning or designing any water installation the basic physical laws must be considered:- Water is subject to t ...
Indirect Systems ~ Cold water is supplied to all outlets from a cold water storage cistern except for the cold water supply to t ...
Direct System ~ this is the simplest and least expensive system of hot water installation. The water is heated in the boiler and ...
Indirect System ~ this is a more complex system than the direct system but it does overcome the problem of furring which can occ ...
Mains Fed Indirect System ~ now widely used as an alternative to conventional systems. It eliminates the need for cold water sto ...
Flow Controls ~ these are valves inserted into a water installation to control the water flow along the pipes or to isolate a br ...
Cisterns ~ these are fixed containers used for storing water at atmospheric pressure. The inflow of water is controlled by a flo ...
Indirect Hot Water Cylinders ~ these cylinders are a form of heat exchanger where the primary circuit of hot water from the boil ...
Water Installations---Pipework Joints ...
Fireclay Sinks (BS 1206) † these are white glazed sinks and are available in a wide range of sizes from 460 ¾ (^380) ¾ 200 deep ...
Sanitary Fittings---Baths and Showers ...
Sanitary Fittings---Water Closets and Cisterns ...
Single Stack System ~ method developed by the Building Research Establishment to eliminate the need for ventilating pipework to ...
Ventilated Stack Systems ~ where the layout of sanitary appliances is such that they do not conform to the requirements for the ...
Airtightness ~ must be ensured to satisfy public health legislation. The Building Regulations, Approved Document H1: Section 1, ...
One Pipe System ~ the hot water is circulated around the system by means of a centrifugal pump. The flow pipe temperature being ...
Two Pipe System ~ this is a dearer but much more efficient system than the one pipe system shown on the previous page. It is eas ...
Micro Bore System ~ this system uses 6 to 12 mm diameter soft copper tubing with an individual flow and return pipe to each heat ...
Controls ~ the range of controls available to regulate the heat output and timing operations for a domestic hot water heating sy ...
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