Comment

Representation ID: 23037

Received: 17/08/2021

Respondent: Severn Trent Water

(PDF Severn Trent Draft Black Country Plan (BCP) consultation

FUTURE IMPACT ON WATER SUPPLY – Our Demand Team have responded back to me and having reviewed the list of sites along with the details in the consulta on document for the housing need. Having also checked the housing need against the WRMP19 housing that we have, whilst this is slightly higher than what is in our current plan, we do not have any concerns for the addi onal level of sites. As we are currently refreshing our housing data at the moment for the next plan, we will be including your latest levels. Overall, we have no concerns from a resource side.
FUTURE IMPACT ON WATER RESOURCES – The Water Resources Team have reviewed the allocated sites. Please find attached the spreadsheets showing the impact in a RAG status format for each individual site. As mentioned previously, whilst we await the waste water assessment information, please also note, having looked at the sewer records, the following sites appear to have Wastewater assets either very close to, or passing through the site
Also, in October 2012, due to a change in legislation, some former private sewers have now become this Company’s responsibility and may also be present on the site. Any underground asset (such as gravity sewers or rising mains) will need to be protected and any new proper es will need to be positioned a certain distance away from these pipes (dependent upon the size of the pipe). Alternatively, it may be possible for the pipes to be diverted, in some certain circumstances, work to divert assets may be deemed as high risk and would need to be undertaken by this Company. This can be a lengthy process and may impact the delivery of any building work on site. Also, we would advise that where a proposed development site is close to a Non-Infrastructure site (such as a Sewage Treatment works or a Sewage Pumping Sta on), the proposed buildings need to be set a certain distance away from the compound site in order to minimise on future noise / smell / nuisance issues. Any developer wishing to build on these allocated sites would be advised to discuss this with our Asset Protec on Team at the most earliest convenience. They can be contacted via email at net.dev.west@severntrent.co.uk.)

PDF Ivi1SCA May2021 vi.o

Level 1 Sewer Capacity Assessment
Potential impact of proposed developments on sewerage infrastructure assets
NOTE: The purpose of these desktop based assessments are to indicate where proposed development MAY have a detrimental impact on the performance of the existing public sewerage network taking into account the size of the development proposals.
For most new development provided the surface water in managed sustainably through use of a Sustainable Drainage Systems the additional foul only flows will have a negligible impact on existing sewer performance but where there are pre-existing capacity constraints additional capacity improvements may be required.
Where subsequent detailed modelling indicates capacity improvements are required such work will be phased to align with development occupancy with capacity improvement works will be funded by Severn Trent Water. However, whilst Severn Trent have a duty to provide additional capacity to accommodate planned development, we also have a requirement to manage our assets efficiently to minimise our customers’ bills. Consequently to avoid potential inefficient investment we generally do not provided additional capacity until there is certainty that the development is due to commence. Where development proposals are likely to require additional capacity upgrades to accommodate new development flows it is highly recommended that potential developers contact Severn Trent as early as possible to confirm flow rates and intended connection points. This will ensure provision of additional capacity can be planned into our investment programme to ensure development is not delayed.

Note: These are desktop assessments using readily available information and have not been subjected to detailed hydraulic modelling
STW - Sewage Treatment Works
EO - Emergency Overflow
SPS - Sewage Pumping Station
SSO - Storm Overflow
CSO - Combined Sewer Overflow


[Headline data from table headings summarised below, further detail in document if needed]
(Sewerage comments:)
1. Known network constraints
2. Assumed connectivity
3. Potential impact on sewerage infrastructure
(surface water comments:)
4. Outfall assumption
5. Surface water disposal
6. Potential impact of surface water sewage


GOSCOTT NEW [Severn Trent Site]

SA-0034-WAL.
Land North of Stonnall Road, Aldridge, Walsall.

1. Due to the size of the proposed development it is most likely that additional sewerage infrastructure would be needed to accommodate the development. The new sewage network could be connected to Aldridge - Links Side Way (SPS) assuming this pumping station has the capacity to cope with a large development, could increase he risk of spills here. Recent external flooding location downstream along Leighswood Road. .

2. Based on a review of topography it is anticipated a connection can be made to the existing system via gravity possibly into the nearby pumping station..

3. MEDIUM.

4. Greenfield site. Assumed that the development would discharge to the adjacent surface water system. .

5. No nearby watercourses but surface water should be managed through SUDs and any excess discharged to the nearby surface water system..

6. LOW

SA-0014-WAL.
Land at Yieldsfield Farm, Stafford Road, North of Bloxwich.

Due to the size of the proposed development it is most likely that additional sewerage infrastructure would be needed to accommodate the development. This significant housing development may have significant impact downstream with sufficient flow being diverted to Goscote STW. No apparent flooding incidents downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity possibly to then be diverted to the nearby Goscote STW..

HIGH.

Greenfield site. Assumed that the development would discharge to the adjacent surface water system. .

Surface water should be managed through SUDs and any excess discharged to the watercourse/ surface water system..

LOW

SA-0016-WAL.
Middlemore Lane West, Aldridge.

Although the size of this development is not significant there would need to be new sewerage infrastructure to connect this development to nearby existing sewer networks. There is not an immediate adjacent combined system so a new network will need to be installed. However, flow will bypass Stanier Close CSO which has had a history of hydraulic incapacity issues resulting in nearby curtilage and internal flooding. Development may increase spills at Stanier Close CSO..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

HIGH.

Greenfield site. Assumed that the development would discharge to the adjacent surface water system. .

Surface water should be managed through SUDs and any excess discharged to the watercourse/ surface water system..

LOW

SA-0056-WAL.
Land at Mob Lane, Pelsall, Walsall, West Midlands.

Due to the size of the proposed development it is most likely that additional sewerage infrastructure would be needed to accommodate the development. This network can be joined onto an adjacent combined system which eventually feeds into the Goscote STW. There are several internal and external flood incidents downstream which this development would impact further in the future. Both along Coronation Road and again at the Stanier Close CSO. As this development is significant and there is a great flood history downstream the risk to the sewerage infrastructure will be classed as 'High'..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

HIGH.

Greenfield site. Assumed that the development would discharge to the nearby surface water system which is along Mob Lane. .

Surface water should be managed through SUDs and any excess discharged to the watercourse/ surface water system. In this case would be Ford Brook.
LOW

SA-0048-WAL.

Land at Vicarage Road / Coronation Road, High Heath, Walsall.

This proposed development is immediately adjacent to the Mob Lane residential development proposal. There are several internal and external flood incidents downstream which this development would impact further in the future. Both along Coronation Road and again at the Stanier Close CSO. As this development is significant and there is a great flood history downstream the risk to the sewerage infrastructure will be classed as High..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

HIGH.

Greenfield site. Assumed that the development would discharge to the nearby surface water system.
Surface water can be diverted to nearby watercourse by connecting the surface water system into the nearby network. This is then diverted to the nearby Ford Brook. .

LOW

SA-0030-WAL.
Land at Yorks Bridge, Lichfield Road, Pelsall, Walsall.

The proposed development has a significant size and so additional sewerage infrastructure would be needed. Development could increase the spill risk downstream at PELSALL - STATION ROAD (CSO). No associated flood incidents downstream and eventually discharges into Goscote STW..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

HIGH.

Greenfield site. Assumed that the development would discharge to the nearby surface water system.
Surface water should be managed through SUDs and any excess discharged to the watercourse/ surface water system. In this case is Wyrley and Essington Canal.
LOW

SA-0264-WAL.
Barns Farm.

Due to the size of the proposed development it is most likely that additional sewerage infrastructure would be needed to accommodate the development. Development may impact pump operation at Goscote IPS which is known to have reoccurring mechanical issues, therefore potential impact classed as medium. Category 3 pollution incident located downstream at a large pond..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

MEDIUM.

Greenfield site. The development will be able to discharge into the adjacent surface water system.
Surface water should be managed by SUDs as there is not a nearby watercourse. Any excess should be discharged into the surface water system,.

LOW

SA-0309-WAL.
South of Stonnall Road.

The network for this new development can be connected to the Aldridge - Links Side Way (SPS) or the Aldridge - Malvern Drive (SWP). But it could increase the risk of spills at both pumping stations as currently the upstream catchment for both are very small so the inflow would be increasing significantly. Recent external flooding location downstream along Leighswood Road. There is also a pollution incident downstream by the Aldridge Sailing Club..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

MEDIUM.

Greenfield site. The development will be able to discharge into the adjacent surface water system.
Surface water should be managed by SUDs as there is not a nearby watercourse. Any excess should be discharged into the surface water system,.

LOW

SA-0317-WAL.
Land to the rear of 114-130 Green Lane.

The new sewage network could be connected to Aldridge - Links Side Way (SPS) assuming this pumping station has the capacity , could increase the risk of spills here. Recent external flooding location downstream along Leighswood Road. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

LOW.

Greenfield site. The development will be able to discharge into the adjacent surface water system.
Surface water should be managed by SUDs as there is not a nearby watercourse. Any excess should be discharged into the surface water system,.

LOW

SA-0308-WAL.
Sandown Quarry, Stubbers Green Road, Aldridge, Walsall, WS9 8BL.

The network for this development can be connected to the nearby combined system. But due to the size of the land plot new network infrastructure will need to be constructed. No known flooding incidents downstream but the flow would travel into the Shelfield - Brook Meadow Road (CSO) which could increase spills at this ancillary. Due to the large size of the business development it would be expected to provide a high potential impact rating on the sewerage infrastructure..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity sewer..

HIGH.

Greenfield site. The development will be able to discharge into the adjacent surface water system
Surface water should be managed through SUDs and any excess discharged to the watercourse/surface water system..

LOW

GOSCOTE EXISTING [Severn Trent Site]

HO0027.
Goscote Lodge Crescent (Site B), Goscote.

Due to the size of the proposed development it is anticipated that additional sewerage infrastructure may be required to accommodate the development. Development may increase spills at WALSALL - GOSCOTE LANE OPP 72 (CSO) and Goscote Lodge Crescent (Site B) CSO downstream with Cat 3 pollution incidents reported at this CSO. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

MEDIUM.

Greenfield site. Assumed the development would discharge into the watercourse which flows adjacent to the development..

Surface water should be managed through SUDs and any excess discharged to the watercourse..

LOW
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HO0126.
Field Road Education Development Centre.

Due to size of proposed development sewer capacity not excepted to be an issue. Development may increase spills at WALSALL - FERNLEIGH/GOSCOTE LANE (CSO) and BLOXWICH - GREEN LANE/BEATRICE ST (CSO) with cat4 pollution incident reported, A cluster of internal and external flooding at MACKAY RD/SHACKLETON RD (CSO) may also be impacted. However, capital scheme A5S/11207 was completed on 04/11/2016. Despite no further flooding having been reported since this scheme, this should also be considered. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

HIGH.

Brownfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary. .

Surface water should be managed through SUDs and any excess discharged to the surface water system..
LOW

HO0029.
Goscote Lane Copper Works, Goscote.

Assumed connection to the North of the site. It is likely that additional sewerage infrastructure would be needed to accommodate the development. Isolated external flooding incident reported downstream. Development may increase spills at WALSALL - FERNLEIGH/GOSCOTE LANE (CSO). In addition, there are also some cat4 pollution incidents reported downstream..

Although there is foul/combined network infrastructure adjacent to the site border, based on a review of topography, it is anticipated some pumping may be required to make this connection. .

MEDIUM.

Brownfield site. Assumed the development would discharge into the watercourse which flows adjacent to the development..
Surface water should be managed through SUDs and any excess discharged to the watercourse..

LOW

IN0009.14.
Land Corner of Northgate/ Longleat Road, Aldridge.

Due to size of proposed development sewer capacity not expected to be an issue. There are no flooding incidents reported downstream. Development may increase spills at Goscote STW downstream. There are also some reported cat 3 & cat4 pollution instances at the watercourse downstream..
Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary..

Surface water should be managed through SUDs and any excess discharged to the surface water system before entering the nearby watercourse..

LOW

IN0009.13.
Longleat Road, Walsall Wood (South of Focus Car Park)
Due to size of proposed development sewer capacity not expected to be an issue. There are no flooding incidents reported downstream. Development may increase spills at Goscote STW downstream. There are also some reported cat 3 & cat4 pollution instances at the watercourse downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary..

Surface water should be managed through SUDs and any excess discharged to the surface water system before entering the nearby watercourse..

LOW

IN0009.12.
Former Scrapyard, North of Joberns Tip, Coppice Lane, Walsall Wood.

Due to size of proposed development sewer capacity not expected to be an issue. There are no flooding incidents reported downstream. Development may increase spills at Goscote STW downstream. There are also some reported cat 3 & cat4 pollution instances at the watercourse downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary..

Surface water should be managed through SUDs and any excess discharged to the surface water system before entering the nearby watercourse..

LOW

IN0010.2.
Adjacent Shaylors, Anchor Industrial Park, Wharf Approach, Aldridge.

Due to size of proposed development sewer capacity not expected to be an issue. There are no flooding incidents reported downstream. Development may increase spills at Goscote STW downstream. There are also some reported cat 3 & cat4 pollution instances at the watercourse downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed the development would discharge into the watercourse which flows adjacent to the development..
Surface water should be managed through SUDs and any excess discharged to the watercourse.
LOW

IN0012.6.
Former Jack Allen Site, South of Middlemore Lane, Aldridge.

This development may impact the operation and spills at Goscote STW. There are a number of reported internal and external flooding incidents nearby to this development site. There are also some reported cat 3 & cat4 pollution instances at the small tributary which flows into Ford Brook downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity. There is existing sewerage infrastructure on the site that will need to be considered..

HIGH.

Brownfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary..

Surface water should be managed through SUDs and any excess discharged to the surface water system before entering the nearby watercourse..

LOW

IN0012.5.
Former Aldridge Rail Sidings, Middlemore Lane, Aldridge.

This development may impact the operation and spills at Goscote STW. There are a number of reported internal and external flooding incidents nearby to this development site. There are also some reported cat 3 & cat4 pollution instances at the small tributary which flows into Ford Brook downstream..
Based on a review of topography it is anticipated a connection can be made to the existing system via gravity. There is existing sewerage infrastructure on the site that will need to be considered..

HIGH.

Brownfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary..
Surface water should be managed through SUDs and any excess discharged to the surface water system before entering the nearby watercourse..

LOW

IN0012.8.
McKechnie Brass, Middlemore Lane, Aldridge.

This development may impact the operation and spills at Goscote STW. There are a number of reported internal and external flooding incidents nearby to this development site. There are also some reported cat 3 & cat4 pollution instances at the small tributary which flows into Ford Brook downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity. There is existing sewerage infrastructure on the site that will need to be considered..

HIGH.

Brownfield site. Assumed the development would discharge into the watercourse which flows adjacent to the development..

Surface water should be managed through SUDs and any excess discharged to the watercourse..

LOW

LITTLE ASTON [Severn Trent Site]

HO3001a.
Land on the East side of Chester Road, Aldridge.

This development is linked adjacent to HO3001b. There is 1 isolated incident of external reported flooding along with a cat 3 pollution incident downstream. This development may increase spills and affect operation at STREETLY - CHESTER ROAD (CSO) and Little Aston STW. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Greenfield site. Assumed the development would discharge into the watercourse which flows adjacent to the development..

Surface water should be managed through SUDs and any excess discharged to the watercourse..

LOW

HO3001b.
Land to the East of Chester Road, North of Pacific Nurseries, Hardwick, Walsall,WS9 0PH.

This development is linked adjacent to HO3001a. Due to the size of this development additional sewer infrastructure may be required in order to accommodate the proposed development. There is 1 isolated incident of external reported flooding along with a cat 3 pollution incident downstream. This development may increase spills and affect operation at STREETLY - CHESTER ROAD (CSO) and Little Aston STW. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

MEDIUM.

Greenfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary..

Surface water should be managed through SUDs and any excess discharged to the surface water system..

LOW

HO3002a/b.
Pacific Nurseries.

There is 1 isolated incident of external reported flooding along with a cat 3 pollution incident downstream. This development may increase spills and affect operation at STREETLY - CHESTER ROAD (CSO) and Little Aston STW. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the surface water system adjacent to the site boundary..

Surface water should be managed through SUDs and any excess discharged to the surface water system before entering the nearby watercourse..

LOW

HO3008.
Rear of 91 Wood Lane.

Due to size of proposed development sewer capacity not expected to be an issue. There is 1 nearby point of reported internal and external FWS flooding incident adjacent to the development site. There have been multiple incidents recorded at this location resulting in high risk to the area. This development may also increase spills and affect operation at STREETLY - CHESTER ROAD (CSO) and Little Aston STW downstream. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

HIGH.

Greenfield site. Assumed that the development would discharge to the surface water system running through the site boundary..

Surface water should be managed through SUDs and any excess discharged to the surface water system..

LOW

WALSALL WOOD [Severn Trent Site]

HO0157a.
FORMER AUTOCRAFT, WALSALL ROAD, WALSALL WOOD.

Due to size of development sewer capacity not expected to be an issue. Pump operation at downstream Lichfield Road - Earons Court SPS could be impacted. The eastern side of the site is Daw End Branch watercourse which has a Cat 3 FWS pollution incident. Though flows are predicted to drain in a westerly direction, additional domestic flows may cause the system to surcharge impacting this pollution mechanism. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the adjacent surface water system. Adjacent watercourse to the east is a raised canal. .

Surface water should be managed through SUDs and any excess discharged to the surface water system as no watercourse is available..

LOW
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HO0163.
Former Select Windows, Walsall Road, Walsall Wood.

Due to size of proposed development sewer capacity not expected to be an issue. The development will likely drain to a foul system upstream of Walsall Wood - Green Lane WRPS where pump operation could be affected. There have been multiple Cat 3 and 4 pollution incidents associated with this pumping station failing adjacent to a small unnamed watercourse..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the adjacent surface water system. Adjacent watercourse to the east is a raised canal. .

Surface water should be managed through SUDs and any excess discharged to the surface water system as no watercourse is available..

LOW

SA-0052-WAL.
Land to the north of Northfields Way, Clayhanger, Brownhills, Walsall.

Due to size of proposed development sewer capacity not expected to be an issue. A category 3 pollution incident has been recorded where the downstream sewerage crosses Ford Brook, near the SWS outfall. There have been no flooding incidents reported downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the adjacent surface water system.
Surface water should be managed through SUDs and any excess discharged to the surface water system
LOW

HO0317.
Former Warreners Arms, High Street, Brownhills.

Due to size of proposed development sewer capacity not expected to be an issue. Development may increase spills at the downstream Brownhills - Silver Court Gdns 39 CSO which discharges to Ford Brook. There is a category 4 pollutions incident located at this outfall. There have been no flooding incidents reported downstream..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the adjacent surface water system.
Surface water should be managed through SUDs and any excess discharged to the surface water system
LOW

SA-0022-WAL.
Home Farm, Sandhills, Walsall Wood, Walsall, West Midlands.

Due to the size of the proposed development it is most likely that additional sewerage infrastructure would be needed to accommodate the development. This large housing development may have a significant downstream impact. Downstream hydraulic capacity would have to be considered even with know apparent flood history associated with the downstream network. .

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

HIGH.

Brownfield site. Assumed that the development would discharge to the adjacent surface water system..
Surface water should be managed through SUDs and any excess discharged to the surface water system
LOW
IN0002.1.
Pelsall Road/ Bullows Road, Brownhills.

Due to size of proposed development sewer capacity not expected to be an issue. An internal FWS flooding location is located less than 100m upstream, which is located within Brownhills Pelsall Road FA (Old AIMS PA: 42636). No issues or ancillaries found downstream. This site is located adjacent to the network which bypasses Walsall Wood STW to Goscote STW..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

HIGH.

Greenfield site. Development is adjacent to a drainage ditch with other SWS outfalls. .

Surface water should be managed through SUDs and any excess discharged to the surface water system
LOW

IN0005.1.
North of Maybrook/ Clayhanger Road, Brownhills.

Due to size of proposed development sewer capacity not expected to be an issue. An external FWS flooding location is located less than 150m downstream which is located within Walsall, Lindon Road FA. This development may increase the spills at BROWNHILLS -LINDON ROAD (CSO), BROWNHILLS - SILVER COURT GDNS 39 (CSO) and BROWNHILLS - SILVER STREET PS (CSO)..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Brownfield site. Assumed that the development would discharge to the adjacent surface water system..
Surface water should be managed through SUDs and any excess discharged to the surface water system ..

LOW

SA-0199-WAL.
Sandfield Farm, Lichfield Road, Brownhills.

Due to size of proposed development sewer capacity not expected to be an issue. The development borders the Wyrley and Essington Canal which has 2 downstream category 4 pollution incidents. Pump operation at downstream Brownhills - Sadlers Road SPS could be impacted..

Based on a review of topography it is anticipated a connection can be made to the existing system via gravity..

LOW.

Greenfield site. Development is adjacent to a watercourse where surface water could drain..

Surface water should be managed through SUDs and any excess discharged to the surface water system
LOW


MINIWORTH [Severn Trent Site]

SA-0200-WAL.
Johnsons Farm & Meadow Farm.
The development is approximately 350m upstream of BROWNHILLS - HANNEY HAY ROAD (SPS) 11090-SP1 / BROWNHILLS - HANNEY HAY ROAD (SSO) 11090-SO1. Foul flows are then directed by a mixture of pumed and gravity sewers for approximately 1.3km to CHASETOWN - TRIANGLE (TPS) 11094-SP1 / CHASETOWN - TRIANGLE (SSO) 11094-SO1. Flows then travel another approximately 3.2km to Burntwood STW. A development of this size is not expected to impact the sewer network adversely. However, this development should also be considered with other developments in this area: SA-0007-WAL, HO0304, HO0043, HO0168a and HO0168b as when combined it could increase the risk. Further detailed hydraulic modelling required to confirm the risk. .
A potential connection point could be at node SK05067503, size of the pipe network is 150mm. The elevation profile suggests a pumped connection may be required to direct flows from development..
LOW.
It is assumed that surface water flows from the development will outfall to watercourse called "Anglesey" which runs 250m to the west of the development..
It is assumed that newly installed surface water network on site will direct flows to outfall directly. The discharge rates are expected to be controlled in accordance with LLFA requirements..
LOW
SA-0007-WAL.
237 Watling Street, Brownhills, Walsall.
The development is approximately 330m upstream of BROWNHILLS - HANNEY HAY ROAD (SPS) 11090-SP1 / BROWNHILLS - HANNEY HAY ROAD (SSO) 11090-SO1. Foul flows are then directed by a mixture of pumed and gravity sewers for approximately 1.3km to CHASETOWN - TRIANGLE (TPS) 11094-SP1 / CHASETOWN - TRIANGLE (SSO) 11094-SO1. Flows then travel another approximately 3.2km to Burntwood STW. A development of this size is not expected to impact the sewer network adversely. However, this development should also be considered with other developments in this area: SA-0200-WAL, HO0304, HO0043, HO0168a and HO0168b as when combined it could increase the risk. Further detailed hydraulic modelling required to confirm the risk. .
A potential connection point could be at node SK05067502, size of the pipe network is 150mm. The elevation profile suggests a gravity connection should be adequate to direct flows from the development..
LOW.
It is assumed that surface water flows from the development will outfall to watercourse called "Anglesey" which runs directly adjacent to the west of the development..
It is assumed that newly installed surface water network on site will direct flows to outfall directly. The discharge rates are expected to be controlled in accordance with LLFA requirements..
LOW
HO0304.
Between 114 and 120 and 122A and 127 Watling Street/ Roman Close, Brownhills.
The development is approximately 0.5km upstream of reported flooding incidents at 18 and 20 Howdles Lane WS8 7PL. The incidents occurred in 1997 and flooding was External to Gardens on a 5 yr storm. A further 800m downstream there is a reported pollution incident the cause being a blockage in the foul sewer. The incident was logged in 2011 and has now been submitted for closure. Foul flows then gravitate for a further 0.7km to CHASETOWN - TRIANGLE (TPS) 11094-SP1 / CHASETOWN - TRIANGLE (SSO) 11094-SO1. Flows then travel another approximately 3.2km to Burntwood STW. A development of this size is not expected to impact the sewer network adversely. However, this development should also be considered with other developments in this area: SA-0200-WAL, SA-0007-WAL, HO0043, HO0168a and HO0168b as when combined it could increase the risk. Further detailed hydraulic modelling required to confirm the risk. .
A potential connection point could be at node SK04064502, size of the pipe network is 225mm. The elevation profile suggests a gravity connection should be adequate to direct flows from the development..
LOW.
It is assumed that surface water flows from the development will outfall to watercourse called "Anglesey" which runs approximately 750m downstream to the east of the development..
It is assumed that newly installed surface water network on site will direct flows to existing surface water network on the south edge of the site, potential connection point could be at node SK04064551, existing pipe size 150mm..
LOW
HO0168a.
HOWDLES LANE/CASTLE STREET, BROWNHILLS.
The development is approximately 600mupstream of a reported pollution incident the cause being a blockage in the foul sewer. The incident was logged in 2011 and has now been submitted for closure. Foul flows then gravitate for a further 0.7km to CHASETOWN - TRIANGLE (TPS) 11094-SP1 / CHASETOWN - TRIANGLE (SSO) 11094-SO1. Flows then travel another approximately 3.2km to Burntwood STW. A development of this size is not expected to impact the sewer network adversely. However, this development should also be considered with other developments in this area: SA-0200-WAL, SA-0007-WAL, HO0043, HO0304 and HO0168b as when combined it could increase the risk. Further detailed hydraulic modelling required to confirm the risk. .
A potential connection point could be at node SK04067802, size of the pipe network is 225mm. The elevation profile suggests a gravity connection should be adequate to direct flows from the development..
LOW.
It is assumed that surface water flows from the development will outfall to watercourse called "Anglesey" which runs adjacent to the east of the development..
It is assumed that newly installed surface water network on site will direct flows to outfall directly. The discharge rates are expected to be controlled in accordance with LLFA requirements..
LOW
HO0168b.
Gladstone House, 45 Castle Street, Brownhills.
The development is approximately 700mupstream of a reported pollution incident the cause being a blockage in the foul sewer. The incident was logged in 2011 and has now been submitted for closure. Foul flows then gravitate for a further 0.7km to CHASETOWN - TRIANGLE (TPS) 11094-SP1 / CHASETOWN - TRIANGLE (SSO) 11094-SO1. Flows then travel another approximately 3.2km to Burntwood STW. A development of this size is not expected to impact the sewer network adversely. However, this development should also be considered with other developments in this area: SA-0200-WAL, SA-0007-WAL, HO0043, HO0304 and HO0168a as when combined it could increase the risk. Further detailed hydraulic modelling required to confirm the risk. .
If combined with HO0168a then a potential connection point could be at node SK04067802, size of the pipe network is 225mm. The elevation profile suggests a gravity connection should be adequate to direct flows from the development..
LOW.
It is assumed that surface water flows from the development will outfall to watercourse called "Anglesey" which runs approximately 60m to the east of the development..
It is assumed that newly installed surface water network on site will direct flows to outfall directly. The discharge rates are expected to be controlled in accordance with LLFA requirements..
LOW
HO0043.
Watling Street (land north of Kings Deer Road), Brownhills.
The development is approximately 0.2km upstream of reported flooding incidents at 18 and 20 Howdles Lane WS8 7PL. The incidents occurred in 1997 and flooding was External to Gardens on a 5 yr storm. A further 800m downstream there is a reported pollution incident the cause being a blockage in the foul sewer. The incident was logged in 2011 and has now been submitted for closure. Foul flows then gravitate for a further 0.7km to CHASETOWN - TRIANGLE (TPS) 11094-SP1 / CHASETOWN - TRIANGLE (SSO) 11094-SO1. Flows then travel another approximately 3.2km to Burntwood STW. A development of this size is not expected to impact the sewer network adversely. However, this development should also be considered with other developments in this area: SA-0200-WAL, SA-0007-WAL, HO0304, HO0168a and HO0168b as when combined it could increase the risk. Further detailed hydraulic modelling required to confirm the risk. .
A potential connection point could be at node SK04067400, size of the pipe network is 150mm. The elevation profile suggests a gravity connection should be adequate to direct flows from the development..
LOW.
It is assumed that surface water flows from the development will outfall to watercourse called "Anglesey" which runs approximately 420m downstream to the east of the development..
It is assumed that newly installed surface water network on site will direct flows to existing surface water network on the north edge of the site, potential connection point could be at node SK04067552, existing pipe size 380mm..
LOW