Hydrant Test Data Fields

Hydrant Test data can be edited on either the Hydrant Test Grid Window of the Survey Grid or the Hydrant Test Property Sheet.

To view and edit all hydrant test data, use the Property Sheet.

The following describes all the data which can be used to define a hydrant test.

Common Data Fields

Fields that are common to the majority of objects can be found in the Common Fields topic.

Hydrant Test Data

Database Table Name: wams_hydrant_test

Show Columns

Database Names

Size, Type and Units

Defaults and Error Limits

Field Name

Help Text

Database Field

Data Type

Size

Units

Precision

Default

Error Lower Limit

Error Upper Limit

Warning Lower Limit

Warning Upper Limit

ID

The name of the object.

The ID is the primary key in the database for the network object. This means that the ID field of each object must be unique for all objects of the same object type.

id

Text

40

 

0

 

 

 

 

 

Inspection type

Database Value

Description

F

Flushing

T

Testing

The options available in the dropdown list depend on the choices defined in the Standards and Choice Lists dialog.

inspection_type

Text

40

 

0

 

 

 

 

 

Hydrant ID

ID of hydrant to be tested.

hydrant_id

Text

40

 

0

 

 

 

 

 

Location

Address or description of site at which associated asset is located.

location

Text

100

 

0

 

 

 

 

 

Diameter

Inner diameter of hydrant nozzle that will be flowed.

diameter

Double

 

CAMS_PS

2

 

 

 

 

 

Flush time

Time taken to flush flow hydrant.

flush_time

Double

 

IN_FLUSHTIME

0

 

 

 

 

 

Water used

Volume of water used while flushing.

Default value is the sum of the Water Used values on the Flow hydrants page.

water_used

Double

 

 

2

 

 

 

 

 

X coordinate

X coordinate of the object.

x

Double

 

XY

2

 

 

 

 

 

Y coordinate

Y coordinate of the object.

y

Double

 

XY

2

 

 

 

 

 

Time to clear

Time taken to flush hydrant until water flows clear.

time_to_clear

Double

 

IN_FLUSHTIME

0

 

 

 

 

 

Initial colour

Database Value

Description

CLEAR

Clear

LIGHT

Light

DARK

Dark

The options available in the dropdown list depend on the choices defined in the Standards and Choice Lists dialog.

initial_color

Text

40

 

0

 

 

 

 

 

Initial turbidity

Database Value

Description

T1

Turbidity 1

T2

Turbidity 2

The options available in the dropdown list depend on the choices defined in the Standards and Choice Lists dialog.

initial_turbidity

Text

40

 

0

 

 

 

 

 

Final turbidity

Database Value

Description

T1

Turbidity 1

T2

Turbidity 2

The options available in the dropdown list depend on the choices defined in the Standards and Choice Lists dialog.

final_turbidity

Text

40

 

0

 

 

 

 

 

Initial chlorine

Chlorine concentration at start of test.

initial chlorine

Double

 

IN_C

2

 

 

 

 

 

Final chlorine

Chlorine concentration at end of test.

final_chlorine

Double

 

IN_C

2

 

 

 

 

 

Temperature

Temperature of water at time of flushing.

temperature

Double

 

 

0

 

 

 

 

 

pH level

pH level of water at time of flushing.

ph_level

Double

 

 

1

 

 

 

 

 

Flow hydrants

Click the Calculate flow and water used button to calculate values for Flow and Water used fields from the other information in the Grid Window.

Database Table Name: wams_hydrant_test_flow_hydrant

Show Columns

Database Names

Size, Type and Units

Defaults and Error Limits

Position in Data Structure

Field Name

Help Text

Database Field

Data Type

Size

Units

Default

Error Lower Limit

Error Upper Limit

Warning Lower Limit

Warning Upper Limit

1

Hydrant ID

Flow hydrant identifier.

hydrant_id

Text

40

 

 

 

 

 

 

2

Diameter

Inner diameter of hydrant nozzle.

diameter

Double

 

CAMS_PS

 

 

 

 

 

3

Coefficient

Nozzle coefficient. Correction factor provided by hydrant manufacturer.

coefficient

Double

 

 

 

 

 

 

 

4

Pitot pressure

Reading taken by pitot gauge inserted at centre line of nozzle at a distance of approximately half the nozzle diameter away from the nozzle.

pitot_pressure

Double

 

WN_P

 

 

 

 

 

5

Flush time

Time taken to flush flow hydrant .

flush_time

Double

 

IN_FLUSHTIME

 

 

 

 

 

6

Flow

Flow rate used while flushing.

Click the Calculate flow and water used button to calculate a value for Flow using the information entered in the grid:

 

Where:

Qr = residual flow at pitot pressure (gpm)

c = outlet friction loss coefficient

d = outlet diameter (in)

Pp = pitot pressure (psi)

flow

Double

 

IN_Q

 

 

 

 

 

7

Water used

Volume of water used while flushing.

Click the Calculate flow and water used button to calculate a value for Water Used using the information entered in the grid:

Water Used = Flush Time x Flow

water_used

Double

 

VO

 

 

 

 

 

flow_hydrants

Array

 

 

0

wams_hydrant_test_flow_hydrant

 

 

 

 

Static pressure

Pressure reading at pressure hydrant before water flows.

static_pressure

Double

 

WN_P

2

 

 

 

 

 

Residual pressure

Pressure reading at pressure hydrant while water is flowing.

residual_pressure

Double

 

WN_P

2

 

 

 

 

 

Flow

Observed flow.

Default value is calculated from the sum of the Flow values on the Flow hydrants page.

flow

Double

 

IN_Q

2

 

 

 

 

 

Calculated flow

Calculated maximum capacity of hydrant at 20 psi residual pressure.

Default is calculated as:

Where:

Qf = fire flow at 20 psi (gpm)

Qr = residual Flow at pitot pressure (gpm)

Ps = Static pressure (psi)

Pr = Residual pressure (psi)

medium_flow_accuracy

Double

 

IN_Q

2

 

 

 

 

 

Graph details Click the button to draw the hydrant test graph.                    
Scheduled Task fields See Common Data Fields - Scheduled Task fields for details of all fields in the Schedule Info, Progress Info and Resources sections of the property sheet.                    
Attachments

Click the button to display the Attachments Editor, used to attach and manage photos, sketches and other files associated with the network object.

See Attachments Editor and Common Data Fields for further details.

attachments Array                
General properties fields See Common Data Fields for details of field in the General properties section of the property sheet.                    
User defined properties fields See Common Data Fields - User Fields for details of fields in the User defined properties section of the property sheet.                    

Creating a Hydrant Test

Survey Grid

Network Data Fields

Common Data Fields