Slow Sand Filter Beds and Rapid Gravity Filter Refurbishment Services and Media supply

This lot is for the removal and installation of media for the slow sand filter beds. The supplier will be required to remove media and GAC, using their own machinery, from our slow sand filter beds. Please note that this activity is also undertaken by our in-house teams meaning this agreement would be used as additional capacity. The supplier under this lot will need to work closely with our sites and potentially the slow sand filter refurbishment suppliers in order to minimise the down time of the slow sand filters beds as they are crucial to our water treatment process. Please also note that this lot is not for the supply of media. Thames Water aims to award a sole supplier for this lot.

Thames Water have approximately 114 slow sand filter beds across 5 sites which are typically inspected every 10 years. As part of these inspections the supplier normally inspects the slow sand filter beds with a Thames Water expert, provides confirmation of repairs required, liaises with a Thames Water site representative, liaises with other framework suppliers where required (i.e. block supplier, media supplier etc.), carries out repairs and refurbishments. As part of the process, the supplier is expected to use 'before' and 'after' photos to show works done to the slow sand filter beds to highlight any issues in the short term and the future for Thames Water. Thames Water have specific requirements relating to the materials used in slow sand filter beds which suppliers must adhere to. All information relating to materials will be detailed in the documents relating to this procurement. Thames Water aims to award a primary and reserve supplier for this lot however, reserves the right to award a single supplier. Thames Water also reserves the right carry out competitive mini competition exercises between the suppliers in this lot for services that are not captured in the rate card for the framework agreement.

Thames Water require blocks for its slow sand filter beds. Blocks supplied must be suitable for potable water meaning blocks must not contamination treated water. Thames Water have specific requirements relating to the materials used in slow sand filter beds which suppliers must adhere to. All information relating to blocks will be detailed in the documents relating to this procurement. The block supplier must work closely with both Thames Water site personnel and potentially other refurbishment suppliers in order to minimise the down time of our slow sand filter beds as they are crucial to our water treatment process. Thames Water aims to award a primary and reserve supplier for this lot however, reserves the right to award a single supplier. Thames Water reserves the right carry out competitive mini competition exercises between the suppliers in this lot for services that are not captured in the rate card for the framework agreement.

Thames Water requires a supplier that can deliver media for its slow sand filter bed. Media must be washed before delivered to site to remove all contaminations in the product. Thames Water have specific requirements for the media used for its slow sand filter beds which suppliers must adhere to. All information relating to media for slow sand filter beds will be detailed in the documents relating to this procurement. Thames Water aim to award a primary and reserve supplier for this lot however, reserves the right to award a single supplier. Thames Water also reserves the right carry out competitive mini competition exercises between the suppliers in this lot for services that are not captured in the rate card for the framework agreement.

Thames Water have approximately 180 rapid gravity filters across the Thames Water region which may need a repair or refurbishment services. When a repair or refurbishment request is raised the supplier is expected to liaise with the Thames Water expert and sites and potentially other suppliers (i.e. media supplier etc), to undertake repairs and refurbishments. As part of the process, the supplier is expected to use 'before' and 'after' photos to show works done to the rapid gravity filter to highlight any issues in the short term and the future for Thames Water. Thames Water have specific standards relating to the materials used and processes to be undertaken when refurbishing rapid gravity filters. All information relating to rapid gravity filters will be detailed in the documents relating to this procurement which the suppliers must adhere to. Thames Water aims to award this lot to a maximum of three suppliers, however, reserves the right to award a single supplier. Mini competitions will apply to this lot for spend above £75k to determine the best solution and price following a criteria in the framework agreement which are part of the documents for this procurements.

Thames Water requires a supplier that can deliver media for its rapid gravity filters. Media must be washed before delivered to site to remove all contaminations in the product. Thames Water have specific requirements for the media used for its rapid gravity filter which suppliers must adhere to. All information relating to media for rapid gravity filters will be detailed in the documents relating to this procurement. Thames Water aim to award a primary and reserve supplier for this lot however, reserves the right to award a single supplier. Thames Water also reserves the right carry out competitive mini competition exercises between the suppliers in this lot for services that are not captured in the rate card for the framework agreement.