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Infiltration program - 1.15    AustriaBulgariaCroatiaCzech RepublicEstoniaFinnishFranceGermanyGreeceHungaryLatviaLithuania NetherlandsNorwayPolandPortugalRomaniaSerbiaSloveniaSpainSwedenTurkeyUnited Kingdom

Project

The calculation of the size of the Stormbox tank for infiltration and attenuation installations are based on the German DWA A-138, ATV A-117 and the Dutch ISSO 70-1. New installation calculations must be executed in case another product and in case another design is chosen.

Calculation for the dimensions of infiltration project for:

References:

Project properties

Region	England/Wales, r x 100 = 12England/Wales, r x 100 = 15England/Wales, r x 100 = 18England/Wales, r x 100 = 21England/Wales, r x 100 = 24England/Wales, r x 100 = 27England/Wales, r x 100 = 30England/Wales, r x 100 = 33England/Wales, r x 100 = 36England/Wales, r x 100 = 39England/Wales, r x 100 = 42England/Wales, r x 100 = 45Scotland/ N Ireland, r x 100 = 12Scotland/ N Ireland, r x 100 = 15Scotland/ N Ireland, r x 100 = 18Scotland/ N Ireland, r x 100 = 21Scotland/ N Ireland, r x 100 = 24Scotland/ N Ireland, r x 100 = 27Scotland/ N Ireland, r x 100 = 30Scotland/ N Ireland, r x 100 = 33Scotland/ N Ireland, r x 100 = 36Scotland/ N Ireland, r x 100 = 39Scotland/ N Ireland, r x 100 = 42Scotland/ N Ireland, r x 100 = 45Custom Advice
Custom rain intensity data Duration of a shower [minutes] Rainfall [mm] for different return periods [years]
One overflow is allowed one time every		[years]	>= 0.5; < 100
Maximum width		[m]	>= 0.6m
Maximum height		[m]	>= 0.3m
Maximum length		[m]	>= 1.2m
Continuous inflow		[l/s]		Advice
Continuous outflow		[l/s]		Advice
Water infiltration speed into the soil	Gravel - 1000Rough sand with fine gravel - 500Rough sand - 50Fine sand - 5Best guess - 3Very fine sand - 0.5Loam containing sand - 0.05Sandy clay - 0.0005No infiltration - 0Custom [m/day][m/s][mm/h]			Advice
Custom infiltration speed		[m/day]		Advice

Installation

Application area	...Landscaped areaCar parksLorry parksLandscaped area with groundwaterTrafficked area with groundwater			Advice
Soil height A	[m]			Advice
Backfill soil type	Group 1 - non cohesiveGroup 2 - slightly cohesiveGroup 3 - mixed cohesiveGroup 4 - cohesive
Backfill compaction	85%90%92%

Options

Shower factor:
Bottom infiltration		[%]
Sidewall infiltration		[%]

Connected surface area

Slant roofs (glaze)		[m²]
Slant roofs (ceramic/concrete)		[m²]
Flat roofs without gravel		[m²]
Flat roofs with gravel		[m²]
Vegetation roofs		[m²]
Asphalt road		[m²]
Brick road		[m²]
Road metal		[m²]
Gravel road		[m²]
Unpaved surfaces		[m²]
Parks and gardens		[m²]	Coefficient (<=1)
		[m²]
		[m²]
		[m²]
		[m²]

Prices

Price of a box		[Pound]
Price of a clip		[Pound]
Price of a bottom		[Pound]

Send data

Pipelife's proposal   

ISSO 70-1 DWA-A138
No solution possible. Try increasing dimensions.
Project width	-	-	-	m
Project height	-	-	-	m
Project length	-	-	-	m
Gross project volume	-	m³
Net project volume	-	m³
Total surface to be covered	-	m²
Emptying time	-	hours
Critical Rain intensity	-	l/s/ha
Q Outflow		l/s
Stormbox - Number of boxes	-
Stormbox - Number of ground plates	-
Stormbox - Number of clips	-
Q (duration 15 minutes, 2 years)	-	l/s
Q (duration 15 minutes, 5 years)	-	l/s
Price	-	Pound

 

Continuous inflow

In this box an extra source of water going into the system can be defined in l/s.