# The Cambridge Waste Water Treatment Plant Relocation Order 2025, Part 3: INLET WORKS (WORK No. 4)


(1) Item
(2) Maximum design parameter
Finished ground level (+ or – 0.5m)
9.5m AOD
Elevated screen channel – configuration
12m wide x 3m deep x 60m long
Elevated grit removal chambers – configuration
16m wide x 3m deep x 17m long
Elevated flow measurement channel – configuration
5m wide x 3m deep x 22m long
Inlet works - Height
17.5m AOD (8m above FGL)
Inlet works - Depth
7.5m AOD (2m below FGL) to underside of structure
Inlet works - Foundations
-15.5m AOD (25m below FGL)
Screenings handling plant
12m x 9m
Screenings handling plant height
13.5m AOD (4m above FGL)
Number of screenings handling plant
2 No.
Grit handling plant
8m x 3m
Grit handling plant height
13.5m AOD (4m above FGL)
Footprint of odour control unit
20m x 10m
Odour control unit diameter
5m
Odour control unit height
14.5m AOD (5m above FGL)
Number of odour control units
2 No.
Number of odour control unit exhaust stacks
2 No.
Carbon vessel height
13.5m AOD (4m above FGL)
Odour control unit exhaust stack height
25.5m AOD (16m above FGL)
Overall footprint of inlet works area
90m x 75m

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Source: https://www.legislation.gov.uk/uksi/2025/452/schedule/14/part/3 (the official version)
Page: https://openlegislation.uk/cambridge-waste-water-treatment-plant-relocation-order-2025/schedule-14/part-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.