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suit orientation \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eGeotextile \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eDeaeration end\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe infiltration tunnel can be configured linearly or as a twin deep tunnel.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures and Benefits: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe system which consists of one or several tunnel modules and two end plates can be extended at will\u003c\/li\u003e\n\u003cli\u003eThe laying is realized in one or more lines of the same level\u003c\/li\u003e\n\u003cli\u003eAs the weight of one module is only 11 kilos, the handling of the Infiltration Tunnel is excellent\u003c\/li\u003e\n\u003cli\u003eThe surface beyond the tunnels is lorry-bearing which offers versatile possibilities \u003c\/li\u003e\n\u003cli\u003eThe infiltration tunnel can be loaded permanently up to 59kN\/sqm and thus is also suitable for lorry-bearing\u003c\/li\u003e\n\u003cli\u003e5 years warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions of 1 unit : \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cspan\u003e 1160mm (add 1160mm per additional unit) \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003cspan\u003e 800mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003cspan\u003e 510mm (1020mm in twin arrangement)  \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 10kgs\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCapacity:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e300L\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOptional Accessories\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.freeflush.co.uk\/products\/suds-attenuation-sizing-design\"\u003eSoakaway design\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eWastewater Soakaway design\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/_wxj8ym7wZA\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","published_at":"2021-08-02T16:04:14+01:00","created_at":"2021-08-02T14:28:33+01:00","vendor":"GRAF","type":"stormwater management","tags":[],"price":18900,"price_min":18900,"price_max":81900,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":39359843958871,"title":"300l \/ Linear","option1":"300l","option2":"Linear","option3":null,"sku":"","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster - 300l \/ Linear","public_title":"300l \/ Linear","options":["300l","Linear"],"price":18900,"weight":46000,"compare_at_price":null,"inventory_quantity":0,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":39359844024407,"title":"600l \/ 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SuDS Infiltration Tunnel has been designed for the use in underground applications as a means to efficiently create a soakaway or attenuation storage. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003eInclude \u003ca href=\"https:\/\/www.freeflush.co.uk\/collections\/stormwater-attenuation-accessories\"\u003eupstream filtration\/access\u003c\/a\u003e to allow inspection and maintenance.  \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis kits includes everything required to complete the storage aspect of a soakaway.\u003c\/p\u003e\n\u003cp\u003eThe following items are included;  \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTunnel modules to suit capacity\u003c\/li\u003e\n\u003cli\u003eEnd plates \u003cspan data-mce-fragment=\"1\"\u003eto suit orientation \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eGeotextile \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eDeaeration end\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe infiltration tunnel can be configured linearly or as a twin deep tunnel.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eFeatures and Benefits: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe system which consists of one or several tunnel modules and two end plates can be extended at will\u003c\/li\u003e\n\u003cli\u003eThe laying is realized in one or more lines of the same level\u003c\/li\u003e\n\u003cli\u003eAs the weight of one module is only 11 kilos, the handling of the Infiltration Tunnel is excellent\u003c\/li\u003e\n\u003cli\u003eThe surface beyond the tunnels is lorry-bearing which offers versatile possibilities \u003c\/li\u003e\n\u003cli\u003eThe infiltration tunnel can be loaded permanently up to 59kN\/sqm and thus is also suitable for lorry-bearing\u003c\/li\u003e\n\u003cli\u003e5 years warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions of 1 unit : \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cspan\u003e 1160mm (add 1160mm per additional unit) \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003cspan\u003e 800mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003cspan\u003e 510mm (1020mm in twin arrangement)  \u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 10kgs\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCapacity:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e300L\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOptional Accessories\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.freeflush.co.uk\/products\/suds-attenuation-sizing-design\"\u003eSoakaway design\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eWastewater Soakaway design\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/_wxj8ym7wZA\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" width=\"560\" height=\"315\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e"}

Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster

£189.00
Maximum quantity available reached.

The SuDS Infiltration Tunnel has been designed for the use in underground applications as a means to efficiently create a soakaway or attenuation storage. 

Include upstream filtration/access to allow inspection and maintenance.  

This kits includes everything required to complete the storage aspect of a soakaway.

The following items are included;  

  • Tunnel modules to suit capacity
  • End plates to suit orientation 
  • Geotextile 
  • Deaeration end

The infiltration tunnel can be configured linearly or as a twin deep tunnel.  

Features and Benefits: 

  • The system which consists of one or several tunnel modules and two end plates can be extended at will
  • The laying is realized in one or more lines of the same level
  • As the weight of one module is only 11 kilos, the handling of the Infiltration Tunnel is excellent
  • The surface beyond the tunnels is lorry-bearing which offers versatile possibilities 
  • The infiltration tunnel can be loaded permanently up to 59kN/sqm and thus is also suitable for lorry-bearing
  • 5 years warranty

Dimensions of 1 unit : 

Length: 1160mm (add 1160mm per additional unit) 
Width: 800mm
Height: 510mm (1020mm in twin arrangement)  
Weight: 10kgs
Capacity: 300L

Optional Accessories

Soakaway design

Wastewater Soakaway design

There is no additional documentation for this product

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/Tuffnells etc.) 
The following items have a 2-4 week lead time:
    • Prestige Square planters (Please get in touch)
    • Evergreen
    • Burgundy
    • Prestige 500 litre Georgian rain water butt planter
    • 750L RainCatcher Rainwater Tank
    • Watersafe Well Water Test Kit 10-in-One
    • Luminor items (please email to confirm stock)
    The following items (EU) are purchased on a pre order basis with a potential 4-8 weeks lead time:
      • Hydraloop
      • 100l Manhattan Grey
      • All Ecosoft Items (Please email to confirm stock)
      • Sandstone 100l Original Prestige
      The following items (EU) are purchased on a pre order basis with a potential 6-8 week lead time:
      • 200l slim wall hung water butt
      The following items (EU) are purchased on a pre order basis with a potential 8-12 week lead time:
      • Column 500L - Green
      • Rainbowl - Slate
      • Rainbowl - Blue Grey Granite
      • Noblesse - sandstone
      • Maurano - Sandstone

      The following items (EU) are purchased on a pre order basis with a potential 18 week lead time:

      • Design (circular and modern) water butt stands
      • Column 500l Charcoal and Green
      2. General Delivery information

      We're a Manchester based company and ship to the UK at our standard rates. Please get in touch if you are based in the Highlands, UK island or Northern Ireland, surcharges may apply. 

      We no longer support ordering from the EU and NI 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, direct or 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.

      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 2-5 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.