SCHEDULES

Article 3

SCHEDULE 1AUTHORISED DEVELOPMENT

Development which, in accordance with a direction made by the Secretary of State under section 35(1) (directions in relation to projects of national significance) of the 2008 Act on 18 January 2021, is development for which development consent is required in the County of Cambridgeshire, the District of South Cambridgeshire and the City of Cambridge, being a waste water treatment plant together with associated development within the meaning of section 115(1)(b) (development for which development consent may be granted) of the 2008 Act comprising—

Work No. 1 – HIGHWAY WORKS

Highway works the general arrangement of which is shown on sheet 1 of the highways plans including—

(a)reconfiguration of the existing signalised junction of B1047 Horningsea Road and A14 Junction 34 eastbound slip road to provide a signalised four-arm junction facilitating access to Work No. 2;

(b)widening of and improvements to the existing footway/cycleway on the western side of the B1047 Horningsea Road and Horningsea Road between the westbound on-slip at A14 Junction 34 and Low Fen Drove Way including the provision of a verge between the footway/cycleway and the main carriageway;

(c)provision of a new central island on Horningsea Road to facilitate pedestrian and cyclist crossing to new footpaths and cycleways to be provided as part of Work No. 23 and the new footway/cycleway to be provided at (d);

(d)a new footway/cycleway on the eastern side of Horningsea Road between Low Fen Drove Way and the new central island to be provided at (c) and connecting to new footpaths and cycleways to be provided as part of Work No. 23;

(e)replacement of the parapet on the A14 overbridge on the B1047 Horningsea Road and associated highway layout alterations;

(f)improvements to the existing pedestrian and cycle crossings at the junction of the A14 Junction 34 on and off slips on the B1047 Horningsea Road;

(g)alterations to the B1047 Horningsea Road and Horningsea Road;

(h)street lighting, signage and associated electrical equipment;

(i)reconfiguration of kerb lines; and

(j)connections to Work No. 2.

Work No. 2 – PERMANENT ACCESS ROAD

A new two-lane road access to the waste water treatment plant from the reconfigured A14 Junction 34/B1047 Horningsea Road junction the general arrangement of which is shown on sheet 1 of the highways plans including—

(a)landscaping;

(b)drainage;

(c)a weighbridge;

(d)automatic number plate recognition cameras;

(e)signage;

(f)street lighting at the junction with Work No. 1; and

(g)connections to Work No. 1 and Work No. 3 and to the access and circulation roads to be constructed within the inner boundary of Work No. 15.

Work No. 3 –VISITOR PARKING

Visitor parking, cycle storage including landscaping, lighting, pathways and electric vehicle charging points and connections to Work No. 2.

Work No. 4 – INLET WORKS & PRELIMINARY TREATMENT

Inlet works structure to receive flows from Work No. 8, Work No. 16 and Work No. 35 and imported liquors including—

(a)two screenings handling plants;

(b)screen channel;

(c)grit removal chambers;

(d)flow measurement channel;

(e)grit handling plant;

(f)two odour control units and exhaust stacks;

(g)skip storage area;

(h)cess and septic discharge point; and

(i)connections to Work No. 6, Work No. 8, Work No. 13, Work No. 16 and Work No. 35.

Work No. 5 – ELECTRICAL SUPPLY AND POWER GENERATION

Electricity substations, ring main units, transformers, high-voltage kiosk, low voltage switch board, low voltage kiosk, stand-by generators and fuel storage.

Work No. 6 – PRIMARY TREATMENT & CHEMICAL DOSING

Primary treatment works including—

(a)chemical storage and ferric dosing plant;

(b)up to 6 primary settlement tanks including sludge management system;

(c)sludge return pumps;

(d)sludge transfer pumping station;

(e)distribution chamber; and

(f)connections to Work Nos. 4, 8, 10, 11 and 13.

Work No. 7 – WORKSHOP & PARKING

A workshop building and parking including—

(a)workshop building;

(b)innovation area;

(c)welfare facilities;

(d)liquefied natural gas (LNG) storage and filling point;

(e)vehicle parking including HGV parking;

(f)electric vehicle charging points; and

(g)rooftop solar photovoltaic panels.

Work No. 8 – SLUDGE TREATMENT CENTRE

A sludge treatment centre comprising—

(a)sludge reception facilities for imported primary settled sludge and surplus activated sludge;

(b)up to 2 imported and indigenous primary sludge tanks;

(c)up to 3 unthickened sludge tanks;

(d)screens;

(e)up to 2 odour control units with vent stacks;

(f)thickening building including a sludge blending tank;

(g)up to two anaerobic sludge digesters;

(h)up to 2 post digestion storage tanks and vacuum de-gassing units;

(i)a heating, pasteurisation and hydrolysis process heating tank;

(j)up to 2 heating, pasteurisation and hydrolysis process pasteurisation tanks;

(k)a heating, pasteurisation and hydrolysis process hydrolysis tank;

(l)up to 2 dewatering centrifuges/volutes;

(m)cake storage barn and silo area;

(n)either—

(i)a liquor treatment plant including a reactor, a stilling tank and a settlement tank; and/or

(ii)a nutrient recovery plant including three stripping/scrubbing columns and a feed pumping station; and/or

(iii)a hybrid liquor treatment plant and nutrient recovery plant;

(o)biogas handling equipment including up to 2 gas holders and a flare stack;

(p)boiler building and boiler stack;

(q)final effluent heat recovery and treatment plant;

(r)chemical storage and dosing plant;

(s)aviation obstruction lighting; and

(t)connections to Work Nos. 4, 6, 9, 10, 11 and 13.

Work No. 9 – GAS TO GRID OR COMBINED HEAT AND POWER (CHP)

A gas-to-grid injection unit including propane storage or a CHP engine including connections to Work No. 8 and connections to the gas and/or electricity networks.

Work No. 10 – SECONDARY TREATMENT MEMBRANE AERATED BIOFILM REACTOR (MABR)

Secondary treatment works including—

(a)up to 4 activated sludge process tanks;

(b)mixing and conditioning tank;

(c)building to house mechanical blower system;

(d)submerged air distribution pipework;

(e)mixing and conditioning chamber;

(f)interstage pumping station; and

(g)connections to Work No. 6 and Work No. 11.

Work No. 11 – SECONDARY TREATMENT (SETTLEMENT)

Final settlement including—

(a)up to 8 final settlement tanks including sludge management system;

(b)return activated sludge pumps including chambers;

(c)surplus activated sludge pumps including chambers;

(d)pumping station;

(e)chemical storage and ferric dosing plant;

(f)distribution chamber; and

(g)connections to Work Nos. 6, 8, 10 and 13.

Work No. 12 – TREATED WATER COLLECTION CHAMBER

Treated water collection chamber and connections to Work No. 13, Work No. 14 and Work No. 31.

Work No. 13 – TERTIARY TREATMENT

Tertiary treatment works including—

(a)filtration plant;

(b)wash-water pump sets;

(c)airlift pumps;

(d)sand washing system;

(e)backwash pumps;

(f)chemical storage and ferric dosing plant; and

(g)connections to Work Nos. 4, 6, 8, 11, and 12.

Work No. 14 – STORMWATER MANAGEMENT

Storm management plant for stormwater storage and treatment including—

(a)pumping station;

(b)storm tanks;

(c)stormwater storage facility;

(d)discharge overflow pipework;

(e)screens; and

(f)connections to Work No. 16 and Work No. 12.

Work No. 15 – EARTH BUND & SOLAR PHOTOVOLTAIC PANELS (PV)

Landscaping and earthworks including—

(a)solar photovoltaic panels and associated mounting structures, inverters, transformers and cabling;

(b)security fencing; and

(c)closed circuit television cameras.

Work No. 16 – TERMINAL PUMPING STATION

A terminal pumping station including a shaft and including the following—

(a)dry weather flow pumps;

(b)storm pumps;

(c)valve chamber and control building;

(d)dewatering; and

(e)connections to Work Nos. 4, 14, 27 and 35.

Work No. 17 – EXISTING RISING AND GRAVITY MAIN DIVERSIONS

Works to divert existing rising and gravity mains to Work No.18 comprising—

(a)cuttings into existing mains in under or adjacent to Cowley Road;

(b)connections from existing mains to new 750mm gravity main;

(c)provision of manholes;

(d)installation of new 750mm gravity main;

(e)associated diversion works for existing utilities including the Fen Ditton rising main; and

(f)decommissioning works to redundant mains.

Work No. 18 – INTERCEPTION AND FIRST CONSTRUCTION SHAFT

Interception shaft to intercept incoming waste water flows from the existing Riverside tunnel and receive flows from a new 750mm gravity main within Work No. 17 with an internal diameter of up to 12.5 metres and with a depth of up to 20 metres including—

(a)ventilation stack extending up to 10 metres above the proposed ground level;

(b)vortex drop pipe;

(c)odour control unit comprising small roadside boxes housing carbon filters and local panels;

(d)welfare and laydown area, hard standing and storage area;

(e)dewatering;

(f)security fencing;

(g)soil handling;

(h)crane working space;

(i)decommissioning works to redundant mains;

(j)local control panels;

(k)kiosks;

(l)closed circuit television cameras and columns;

(m)lightning protection infrastructure including masts, finials, earth matts and bonding;

(n)chemical storage and dosing plant;

(o)a temporary shaft associated with the construction of Work No. 27; and

(p)connections to Work Nos. 17, 26 and 27.

Work No. 19 – GATEWAY BUILDING

Gateway building including—

(a)office space;

(b)welfare facilities;

(c)discovery centre;

(d)rooftop solar photovoltaic panels;

(e)refuse bins;

(f)associated plant; and

(g)bicycle storage.

Work No. 20 – TEMPORARY COMPOUND AREA

Temporary compound area including welfare facilities.

Work No. 21 – TEMPORARY SITE ESTABLISHMENT

Temporary site establishment and construction works to support construction of Work Nos. 1 to 16, 27, 31, 33, 35 and 36 including—

(a)temporary site access works from Horningsea Road and to Low Fen Drove Way;

(b)working area compound;

(c)concrete batching plant;

(d)temporary lined lagoon; and

(e)hard standing, laydown and storage.

Work No. 22 – WASTE WATER TREATMENT PLANT CONSTRUCTION WORKS AREA

Construction and material storage area during construction of Work Nos. 1 to 16, 27, 31, 33, 35 and 36.

Work No. 23 – LANDSCAPING AND ECOLOGICAL WORKS

Permanent landscaping and ecological works, including—

(a)planting;

(b)earthworks and ground re-profiling;

(c)drainage works; and

(d)creation of footpaths.

Work No. 24 – LANDSCAPING AND ECOLOGICAL WORKS TEMPORARY WORK

Temporary access and working area to support and facilitate the landscaping and ecological works in Work No. 23.

Work No. 25 – TEMPORARY WORKING AREA COMPOUND

Temporary working area compound including welfare facilities.

Work No. 26 – DIVERSION OF RIVERSIDE TUNNEL

Works to divert the existing riverside sewer to connect to Work No. 18 comprising—

(a)temporary diversion works including a temporary shaft/pit and temporary overground pipes, underground pipework to connect the Riverside sewer to Work No. 18;

(b)installation of temporary pumps and power supply including generators and fuel storage;

(c)removal of temporary works; and

(d)decommissioning works to the redundant sewer.

Work No. 27 – TRANSFER TUNNEL

An underground transfer tunnel between Work No. 18 and Work No. 16 installed using pipe jacking and including—

(a)a temporary construction shaft within each of the areas to which Work No. 27 overlaps with Work No. 28; and

(b)connections to Work Nos. 16 and 18.

Work No. 28 – TRANSFER TUNNEL CONSTRUCTION AREA TEMPORARY COMPOUNDS

Temporary working area compounds associated with Work No. 27, including—

(a)welfare and laydown areas;

(b)crane working space;

(c)hard standing;

(d)dewatering;

(e)security fencing;

(f)mud and soil handling; and

(g)storage area.

Work No. 29 – TEMPORARY ACCESS WORKS TO WORKS 28, 34 & 36 (WEST OF HORNINGSEA ROAD)

Temporary access works from Horningsea Road to Work Nos. 28, 34 and 36 between Green End and Horningsea Road, with provision for early works access off Poplar Hall private access to facilitate creation, from the field to the west, of the new haul route access off the west side of B1047 Horningsea Road.

Work No. 30 – NETWORK RAIL MONITORING WORKS

Temporary access and monitoring of ground movement at varying depths to railway tracks on Network Rail land and other monitoring due to pipeline and tunnel crossings under the Cambridge to King’s Lynn railway line.

Work No. 31 – FINAL EFFLUENT & STORM PIPELINE

Two outfall pipes to be laid below ground for final effluent and storm water connecting Work No. 12 to Work No. 32 together with associated access and venting manholes and access works from Horningsea Road.

Work No. 32 - OUTFALL

Outfall works in connection with the discharge of final effluent and storm water to the river Cam comprising—

(a)two outfall pipes to be laid below ground for final effluent and storm water connecting to Work No. 31;

(b)ditch crossing, diversion and associated protection works;

(c)temporary access track;

(d)temporary working area compound;

(e)temporary cofferdam;

(f)outfall structure and associated fittings;

(g)river bed and embankment reinforcement works including dredging and scour protection measures; and

(h)temporary public right of way diversion and restoration works.

Work No. 33 – WATERBEACH PIPELINE NORTH

Up to two waste water pipelines laid underground between a point of connection with waste water infrastructure to be provided as part of the Waterbeach New Town development and Work No. 35 and Work No. 36, including—

(a)crossings of the river Cam, the King’s Lynn railway line and Low Fen Drove Way using horizontal directional drilling technique in accordance with the code of construction practice, but otherwise laid using either open cut trenching or horizontal directional drilling technique;

(b)new accesses and access improvements;

(c)temporary shafts;

(d)horizontal directional drilling launch and exit pits;

(e)welfare, storage and laydown areas;

(f)temporary haul roads;

(g)dewatering, drainage works and restoration of existing land drainage;

(h)ditch crossing, diversion and associated protection works;

(i)mud and soil handling;

(j)associated infrastructure including air valves and other pipework fittings and fixtures;

(k)permanent accesses for future maintenance and replacement of the pipelines; and

(l)connections to Work No. 35 and Work No. 36.

Work No. 34 – WATERBEACH PIPELINE CONSTRUCTION AREA AND COMPOUNDS

Temporary construction compounds, welfare, storage and laydown areas and temporary haul roads in connection with Work Nos. 33, 35 and 36.

Work No. 35 – WATERBEACH PIPELINE SPUR TO TERMINAL PUMPING STATION

Up to two waste water pipelines laid underground between Work No. 33 or 36 and Work No. 16 to facilitate a connection between the waste water infrastructure to be provided as part of the Waterbeach New Town development and Work No. 16 including—

(a)crossings using either pipe-jacking or horizontal directional drilling technique but otherwise laid using either open cut trenching or horizontal drilling technique;

(b)new accesses and access improvements;

(c)temporary shafts;

(d)horizontal directional drilling launch and exit pits;

(e)welfare, storage and laydown areas;

(f)temporary haul roads;

(g)construction compounds;

(h)dewatering, drainage works and restoration of existing land drainage;

(i)ditch crossing, diversion and associated protection works;

(j)mud and soil handling;

(k)associated infrastructure including air valves and other pipework fittings and fixtures;

(l)permanent accesses for future maintenance and replacement of the pipelines; and

(m)connections to Work No. 16 and Work Nos. 33 and/or 36.

Work No. 36 – WATERBEACH PIPELINE SOUTH

The provision of the Waterbeach pipeline south works as follows—

(a)up to two waste water pipelines laid between Work No. 33 and the boundary of the existing Cambridge waste water treatment works including crossings of the river Cam, the A14, Horningsea Road, Fen Road and the King’s Lynn railway line using horizontal directional drilling technique in accordance with the code of construction practice, but otherwise laid using either open cut tracking or horizontal directional drilling technique;

(b)up to two waste water pipelines laid underground and above ground within the existing Cambridge waste water treatment works;

(c)new accesses and access improvements;

(d)temporary shafts;

(e)horizontal directional drilling launch and exit pits;

(f)welfare, storage and laydown areas;

(g)temporary haul roads;

(h)dewatering, drainage works and restoration of existing land drainage;

(i)ditch crossing, diversion and associated protection works;

(j)mud and soil handling;

(k)associated infrastructure including air valves and other pipework fittings and fixtures;

(l)permanent accesses for future maintenance and replacement of the pipelines;

(m)connections to Work Nos. 33 and 35 and at the existing Cambridge waste water treatment works; and

(n)decommissioning of all or part of this Work.

Work No. 37 – TEMPORARY ACCESS WORKS FOR WORK Nos. 33 & 34

Temporary access works associated with Work Nos. 33 and 34 including temporary construction and commissioning dewatering and drainage works, and works to facilitate discharge into the watercourses adjacent to Bannold Drove, Burgess’s Road and Bannold Road.

Work No. 38 – NEW BRIDLEWAY

Works relating to the provision of a new bridleway including street apparatus, gates and signage.

Work No. 39 – ECOLOGICAL MITIGATION AREA

Ecological mitigation works, including—

(a)earthworks and ground re-profiling;

(b)creation of natural drainage ditches, wetland habitat and ponds;

(c)creation of connections to or culverts/bridges over existing drainage ditches;

(d)creation of maintenance access routes; and

(e)temporary welfare and laydown areas and haul roads.

Work No. 40 – DECOMMISSIONING EXISTING CAMBRIDGE WASTE WATER TREATMENT WORKS

Works to the existing Cambridge waste water treatment works to cease its existing operational function and to facilitate the surrender of its operational permits including—

(a)removal of pumps;

(b)isolation of plant;

(c)isolation of electrical connections;

(d)isolation, filling and capping of pipework;

(e)cleaning of tanks, pipes, screens and other structures, plant and machinery;

(f)works to decommission the potable water supply; and

(g)works to restrict access to walkways, plant and machinery.

Further works

In connection with Work Nos. 1 - 40 above and to the extent that they do not form any part of such work, further associated development within the Order limits comprising such other works as may be necessary or expedient for the purpose of or in connection with the relevant part of the authorised development and which fall within the scope of work assessed by the environmental statement including—

(1) In connection with Work Nos. 1 – 37, 39 and 40—

(a)highways works, including diversions, kerb alterations, white lining, road markings, re-surfacing, laybys, traffic calming, vegetation clearance, traffic management and turning areas;

(b)road and traffic signage;

(c)footpaths;

(d)fencing, security and safety measures including closed-circuit television (CCTV) cameras and columns;

(e)access gates;

(f)drainage including attenuation tanks, manholes, highways drainage and internal road drainage, land drainage restoration and diversion, ground and surface water treatment facilities, soakaways and swales and other sustainable drainage systems;

(g)chemical dosing pipework;

(h)operational and maintenance task lighting;

(i)communication and control infrastructure;

(j)telemetry infrastructure including outstations;

(k)hard and soft landscaping;

(l)vehicle restraint systems;

(m)works within the existing sewers, chambers and culverts and other structures that comprise the existing sewerage network for the purposes of enabling the authorised development, including reconfiguring, modifying, altering, repairing, strengthening or reinstating the existing network;

(n)works within new and existing pumping stations including structural alterations to the interior fabric of the pumping station(s), works to reconfigure existing pipework, provision of new pipework, new penstock valves and associated equipment, modification of existing electrical, mechanical and control equipment, and installation or provision of new electrical, mechanical and control equipment;

(o)installation of electrical, mechanical and control equipment in other buildings and kiosks and modification to existing electrical, mechanical and control equipment in such buildings and kiosks;

(p)installation of pumps in chambers and buildings;

(q)works to trees and landscaping works not comprising development;

(r)works associated with monitoring of buildings and structures;

(s)works required for the strengthening, improvement, maintenance or reconstruction of any street;

(t)works to place, alter, remove or maintain street furniture or apparatus in a street, or apparatus in other land, including mains, sewers, drains, soakaways, pipes, cables and ducts; and

(u)works to install, divert, repair, replace, maintain and decommission gas, potable water, waste water, electricity and telecommunications services and apparatus.

(2) In connection with Work Nos. 1 – 40, temporary works relating to construction including—

(a)lighting;

(b)ramps, accesses, non-motorised links, and crossing facilities;

(c)welfare facilities including generators; and

(d)security measures including fencing and CCTV.

(3) Within the area of such works which are 30 metres in any direction from the river Cam, works relating to the suspension of existing moorings and the relocation of boats/vessels including works to attach mooring structures and equipment to the boats/vessels.

(4) Within the inner boundary of Work No. 15—

(a)internal access and circulation roads, turning areas, hardstanding, and parking;

(b)air, steam and hot water distribution infrastructure;

(c)motor control centres;

(d)local control panels;

(e)programmable logic controllers;

(f)high voltage switchgears and transformers;

(g)solar photovoltaic panels;

(h)switchgear buildings, battery storage buildings and associated connections to the solar photovoltaic panels installed in connection with Work Nos. 7, 15 and 19;

(i)kiosks;

(j)gas infrastructure;

(k)closed-circuit television cameras and columns;

(l)odour ducting and treatment; and

(m)lightning protection infrastructure including masts, finials, earth matts and bonding.

(5) Works associated with decommissioning the existing Cambridge waste water treatment works including the existing outfall north of the A14 and assets in Cowley Road, and the existing Waterbeach Wastewater Treatment Works and diversions of existing utilities and services.