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Identify the planning and design criteria for creating water models.
Type:
Tutorial
Length:
3 min.
Transcript
00:03
When you are planning and designing a water model in InfoWater Pro,
00:08
it is best practice to consider the following six criteria:
00:13
Pressure.
00:14
Your model must demonstrate that the system meets the minimum and maximum residual pressure requirements
00:20
for each pressure zone during normal and fire flow conditions.
00:26
Velocity.
00:27
You need to know the minimum and maximum velocities for transmission and distribution mains during regular operation.
00:35
You also want to allow for limits to the minimum and maximum velocities in the distribution system under fire flow conditions.
00:44
These considerations govern future distribution system improvements.
00:49
Supply.
00:51
You need to evaluate current available water sources and their limits, considering volumetric, water quality and regulatory criteria.
01:01
Storage.
01:03
You need to determine the storage options available and future storage options that may be necessary,
01:09
including tanks and reservoirs.
01:12
You also need to consider some limitations of storage options, including “change-over” of water in the tank,
01:19
mixing, ice formation in certain climates, public preferences and material limits.
01:27
For example, some customers may not want to see an elevated water tank in their neighborhood,
01:33
in which case, the tank may need to be buried or an alternate location selected.
01:39
These considerations can all impact the financial aspects of your plan.
01:44
Fire Flow.
01:46
Be sure to understand the required fire flow of your system,
01:50
which is typically governed by the local Fire Marshal and NFPA guidelines.
01:56
Water Quality.
01:58
You need to know if there are existing needs and concerns regarding water quality,
02:03
including disinfection byproducts, water age and chlorine residual decay.
02:10
These concerns can guide your analysis of the water system.
02:14
Depending on how big a role these concerns play, you may need to create a water quality model.
02:20
Doing so allows you to better forecast both time and budget required to complete the plan
02:26
for your client.
02:28
Once all of these critical factors are considered, the next step is to start planning the model.
Video transcript
00:03
When you are planning and designing a water model in InfoWater Pro,
00:08
it is best practice to consider the following six criteria:
00:13
Pressure.
00:14
Your model must demonstrate that the system meets the minimum and maximum residual pressure requirements
00:20
for each pressure zone during normal and fire flow conditions.
00:26
Velocity.
00:27
You need to know the minimum and maximum velocities for transmission and distribution mains during regular operation.
00:35
You also want to allow for limits to the minimum and maximum velocities in the distribution system under fire flow conditions.
00:44
These considerations govern future distribution system improvements.
00:49
Supply.
00:51
You need to evaluate current available water sources and their limits, considering volumetric, water quality and regulatory criteria.
01:01
Storage.
01:03
You need to determine the storage options available and future storage options that may be necessary,
01:09
including tanks and reservoirs.
01:12
You also need to consider some limitations of storage options, including “change-over” of water in the tank,
01:19
mixing, ice formation in certain climates, public preferences and material limits.
01:27
For example, some customers may not want to see an elevated water tank in their neighborhood,
01:33
in which case, the tank may need to be buried or an alternate location selected.
01:39
These considerations can all impact the financial aspects of your plan.
01:44
Fire Flow.
01:46
Be sure to understand the required fire flow of your system,
01:50
which is typically governed by the local Fire Marshal and NFPA guidelines.
01:56
Water Quality.
01:58
You need to know if there are existing needs and concerns regarding water quality,
02:03
including disinfection byproducts, water age and chlorine residual decay.
02:10
These concerns can guide your analysis of the water system.
02:14
Depending on how big a role these concerns play, you may need to create a water quality model.
02:20
Doing so allows you to better forecast both time and budget required to complete the plan
02:26
for your client.
02:28
Once all of these critical factors are considered, the next step is to start planning the model.
When planning and designing a water model in InfoWater Pro, it is best practice to consider the following six criteria:
Model must demonstrate that the system meets minimum and maximum residual pressure requirements for each pressure zone during normal and fire flow conditions.
Identify minimum and maximum velocities for transmission and distribution mains during regular operation.
Allow for limits to minimum and maximum velocities in distribution system under fire flow conditions.
These considerations govern future distribution system improvements.
Evaluate current available water sources and their limits, considering volumetric, water quality and regulatory criteria.
Determine available storage options and potentially necessary future storage options, including tanks and reservoirs.
Consider limitations of storage options:
For example, if customers do not want elevated water tank in neighborhood, may need to bury tank or select alternate location.
These considerations can all impact financial aspects of plan.
Understand required fire flow of system—typically governed by local Fire Marshal and NFPA guidelines.
Identify existing needs and concerns regarding water quality, such as:
Concerns can guide analysis of water system.
Depending on role of concerns, may need to create water quality model, to better forecast time and budget required to complete plan.
Once all critical factors are considered, the next step is planning the model.
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