Drainage Design Drawing Pack - Residential
If you or your client are at the pre planning stage, have a planning condition or need to satisfy building control you may require a Drainage Design to demonstrate how stormwater and foul water will be managed on site.
SUDS Design Package single dwelling
- Surface water and foul water drainage layout including manhole schedule.
- Surface water and foul water drainage construction details.
- Surface water hydraulic modelling including sizing of attenuation/infiltration.
- Foul water calculations.
Requirements
- Topographical survey of site (in CAD format - .dwg or .dxf). In the absence of topo a provisional design can be supplied. Images of the site will be required. If the topographical data subsequently becomes available the model can be revised (revision charges apply).
- If connecting to a downstream chamber or sewer the downstream invert level will be required. In the absence of this level a provisional design can be supplied. If the downstream invert subsequently becomes available the model can be revised (revision charges apply).
- Proposed layout of development including locations of RWP's and SVP's, site boundary, number of bedrooms and finished floor level of development (in CAD format - .dwg or .dxf)
- Any relevant planning conditions, allowable discharge rate etc., connection restrictions
- Infiltration rates if there are any soakaway requirements for the proposed development.
Outputs
- Drainage Design Plan, and manhole schedule (pdf)
- Supporting drainage calculations (pdf)
- Supporting foul water calculations (pdf)
- If you require anything additional to the scope of supply please get in touch
Notes
- This is a listing for a single dwelling drainage design. Quotes can be provided for:
- Larger developments
- Flood risk assessments.
- SAB applications or LFA submission/approval.
- Section 104, 105, 185 applications (Drawing package).
- Please get in touch to establish lead times. Typically 10-20 days from receipt of requested information.
- Information requested is required to complete the calcs/drawings. The calculations/drawings cannot be commenced until the information requested is provided by the client in the format requested above.
- Calculation revisions are chargeable.
- Cancellation charges apply depending on the stage of design subject to minimum charge of £100+VAT upon project set up
If your query is related to an existing order please email in with your order number in the subject line. If you have a new residential enquiry please consult the online guides before calling as they may answer your question.
The delivery information page is divided into 1. Specific and 2. General delivery information below.
1. Specific Delivery Information relating to product lines- Small items dispatched daily with RM24 ~85% arriving next day
- Large items (UK made) typically 5 - 15 working days (Parcelforce/APC etc)
- 1,000 litre compact underground rainwater tank
- 250 litre Prestige large Plant Pot style planter Grey
- SAR40-TOP2 Wastewater Lifting station
- 250 litre Classic Slim Wall Water butt - Black Granite
- Madison 185 Litre rain barrel
- Hydraloop
- Green Roof sedum tray - pre planted option
- Madison 185 Litre rain barrel - Millstone
We're a Manchester based company and ship to the UK at our standard rates. Please get in touch requesting the delivery surcharge value if you are based in the Highlands or a UK island.
We no longer support ordering from the EU and Northern Ireland through the website. We can support ad hoc orders with limited liability.
Our design and Prestige range is available in the Netherlands, Ireland, Belgium, France, Germany, through our distributors.
Stock items will be dispatched on the day of order, if ordered before 1pm.
Letters are sent 1st class.
Parcels <2kg are shipped with Royal Mail 24 Tracked with the following target delivery times.
Guaranteed delivery can be arranged by advance agreement. This agreement is back to back with the courier and we will not be liable for any delays as per our terms.
A loss/replacement can only be pursued in line with the target delivery times of the courier or once the courier accept loss.
Bulky items (and pallet deliveries) are dispatched within 2-15 working days. We will request a contact number if this has not been provided at checkout.
Some items are made to order (bespoke) and details are given on the listing for dispatch times. If for any reason we anticipate a delay on our normal dispatch time we will contact you to let you know.
Occasionally there are delays. We shall not be liable for any direct or indirect losses, costs, damages or expenses incurred by you or any other person for any delays in delivery.
Missed deliveries where attempted delivery has been made usually result in re-deliveries the following day. The customer is responsible for organising re deliveries by contacting the courier direct.
Parcels/deliveries can only be "left out" if the delivering company allows that option. Parcelforce, for example, do not allow a parcel to be "left out".
We are an environment centric business and as such we try to minimise our waste. Our packaging is usually recycled and/or recyclable and we make efficient use of packaging to minimise wastage.
Covid delivery updates between 12.3.20 and 11.1.21 21 have been archived here.