- water pressure test
To get a pressure from a existing pipe with the reduce level at the tapping point.The residual head must be 7.5 m
- water rect calculation
To know that the peak flow and average flow & fire flow residual head must over than 7.5m
- water demand calculation
Water demand calculation is to calculate the water consumption for the user on the building for 1 day of used.The table of consumption is provide by water authority and for 1.5 day is a factor of safety.From the water demand,calculation of peak flow will calculated.
- laying of m.s pipe
Laying of m.s pipe is done when all the calculation approved by the authorities.All the bedding and excavation work are based of the SPAN regulation.The connection between pipe and back filling are also in the guideline.
- installation of pipe hydrant
Done by the specialist and the location are base on the drawing.The hyrant requirement must get approval from BOMBA.Testing and commisioning will carried when all the water rect system completed.
- fixing of water meter
Done by the specialist or license plumber follow the guideline from Syabas or SPAN.The 2 nos of water meter,one for domestic use and one for water rect purpose.The location of meter must be outside the project boundary and near at the enterance.
- cold joint tapping
Done by specialist.Now using HDD technic without excavation.
all design,drawing and specification are follow SPAN,Malaysia.
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