THE RT. HON. LORD CITRINE, P.C., K.B.E., LL.D., Comp. I.E.E

  Chairman, Central Electricity Authority

 

 

 

ALDERMAN SIR WILLIAM WALKER

J.P., LL.D., M.I.E.E., M.I.Mech.E.

Member of Manchester Corporation Electricity Committee from 1909 to

1947 and Chairman from 1929 to 1932 and 1944 to 1947.

Member of Central Electricity Board from 1927 to 1944.

Member of British Electricity Authority from 1947 to 1952

 

 

CENTRAL ELECTRICITY

AUTHORITY

North-West, Merseyside and North Wales Division

 

 

 

 

A.R. COOPER, M.Eng., M.I.E.E.. M.Inst.F.
Divisional Controller

 

P. Briggs, A.M.I.Mech.E., M.Inst.F.
Deputy Controller

 

J. L. ASHWORTH, A.M.I.E.E., A.M.I. Mech.E.
Chief Generation Engineer (Operation)
 

J. L. ASHWORTH, A.M.I.E.E., A.M.I. Mech.E.
Chief Generation Engineer (Construction)

 

E. W. CONNON, B.Sc.(Eng.) M.Eng., M.I.E.E., A.M.I.Mech.E
Divisional Electrical Engineer


P. H. FLATT, B.Sc.(Econ), F.C.I.S., A.M.I.E.E., F.C.W.A., M.I.I.A
Divisional Secretary


A. H. CAMPBELL, C.A.
Divisional Accountant


E. BUTTERWORTH, A.S.A.A.
Director of Labour and Welfare
 

 

 

 

 

A. R. COOPER    M.Eng., M.I.E.E., M.Inst.F

Divisional Controller

 

 

 

P. BRIGGS, A.M.I.Mech.E.,

M.Inst.F.

Deputy Divisional Controller

 

 

 C. R. WATSON SMYTH
M. Inst. F.
Chief Generation Engineer (Construction)

 

J. L. ASHWORTH, A.M.I.E.E., A.M.I.Mech.E.
  Chief Generation Engineer (Operation)

 

 

 

J. SHEPHERD
Generation Engineer
(Construction)

 

K. B. HARRISON, Assoc.M.C.T., A.M.I.Mech.E.
Generation Engineer
(Construction)
J. WHITFIELD,
A.M.I.E.E., A.M.I.Mech.E., A.M.C.T.
Generation Engineer
(Operation)
J. R. APPLETON,
M.Sc.(Tech.) A.M.I.E.E., A.M.I.Mech.E.
Carrington Power Station Superintendent

 

 

 

CARRINGTON POWER STATION

 

Carrington power station is an entirely new station which was planned to have an ultimate capacity of 480,000 kilowatts- 240,000 kilowatts in the present A station and 240,000 kilowatts in a future B station. The site was acquired in 1916 as an alternative to the Barton power station site, but not then developed.

The present project was planned by the Manchester Corporation Electricity Department, and work started late in 1947. The civil engineering and building work was entrusted to Messrs. C.S. Allott & Son, Consulting Engineers. Mr. L. C. Howitt, F.R.I.B.A., City Architect of Manchester, was responsible for the basic scheme of external treatment.

The Corporation undertaking vested in the British Electricity Authority on 1st April 1948.

 

Site

The site is bounded on the north by the River Mersey and on the west by the Manchester Ship Canal. The River Mersey had in the past meandered over the main site and a bore hole investigation had shown the strata to be of a very variable nature and uncertain bearing capacity. It was decided, therefore, to pile all the major works.

 

Piling

Approximately 7,850 piles have been formed and of the reinforced concrete cast in-situ type. Each pile is 18 inch overall diameter having a working load of 50 tons per pile, their average length being 30 feet.

 

Carrington power station

Building and Civil Engineering Work

The general ground level and basement floor level is 43 feet above ordnance datum. The main auxiliary plant, including mills for pulverising the coal, induced draught fans, boiler feed pumps, steam receivers, conservator and blow-down tanks, is at basement level. The circulating water inlet and outlet pipe basements and station cable and pipe tunnels are constructed in reinforced concrete below this level.

The main operating level of the station is 26 feet above the basement floor and is reinforced in-situ concrete as are all other floors and roofs in the station, with the exception of the boiler galleries which are of steel open grid flooring.

In all the main buildings the foundation rafts are of beam and slab construction, spanning between pile caps.

 

Superstructure

The approximate overall dimensions of the main buildings are 480 feet by 275 feet and 10,300 tons of structural steel were used in the framework

 

Steelwork for turbine and boiler house

of the superstructure. Steel erection commenced in November, 1949, and the superstructure in December, 1950.

The turbine and boiler houses are faced externally with multi-coloured rustic bricks. Copings, cills, etc., are made of artificial stone.

Granolithic floors have been laid in the basement, deaerator and electrical plant rooms floors. The turbine and firing floors are tiled.

The main roofs are of reinforced concrete with glass in concrete roof glazing.

In addition to the stairways, two lifts giving access to all floors have been provided.

 

Ancillary Buildings

Between the A station and future B station are situated the workshops, stores, garages, ablutions, canteen and office block buildings. The whole of these buildings are founded on piles.

 

Roads

Throughout the station, roads are constructed of 9 inch or 12 inch thick double reinforced concrete slab which incorporates a two inch thick granite concrete wearing surface resting on nine inches of hand pitched hardstone. The kerbs are cast monolithically with this slab.

 

Drainage

A comprehensive system of ground and station drainage has been established. A sewage disposal plant has been installed and deals with station effluent.

Staff canteen

Turbine room

 

The two brick chimneys stand 350 feet high and have an internal diameter of 18 feet 6 inches at the top. Largely for architectural reasons, the brickwork is 9 feet 9 inches thick at the base, but reduces uniformly to 14 inches at the underside of the 35 feet deep pre-cast concrete base and this in turn is supported by 280 piles.

 

Turbo Alternators and Auxiliary Plant

The A station contains four hydrogen cooled 60,000 kilowatt turbo alternators. Nos. 1 and 2 sets are three cylinder type and Nos. 3 and 4 sets are two cylinder type. All sets are of the impulse type running at 3,000 revolutions per minute with the low pressure section exhausting into two twin flow condensers.

The operating steam conditions for all sets are 900 lb per square inch gauge and 900 degrees Fahrenheit at the turbine stop valve.

There are two electrically driven extraction pumps for each set, each capable of handling the full quantity of condensate.

Two 100 per cent duty steam operated three stage air ejectors per set are provided for maintaining the vacuum in the condenser, together with one single stage quick start ejector.

There are four bled steam heaters - two low and two high pressure, one gland steam heater and a high level full duty type deaerator direct contact heater. The final feed temperature at full load for Nos. 1 and 2 sets, is 380 degrees Fahrenheit and for Nos. 3 and 4 sets 385 degrees Fahrenheit.

There are three motor driven and one turbo driven boiler feed pumps for each pair of sets. All pumps have a capacity of 600,000 lb per hour.

The alternators, which are hydrogen cooled, are designed to generate at 11kV.

 

No. 1 turbo alternator

 

Turbine room basement

 

Motor driven feed pumps

Each alternator has direct driven exciters and in addition, one motor driven standby exciter unit has been provided to serve all sets.

 

Boilers

There are seven boilers in the station. Nos. 1 to 4 were installed by Babcock & Wilcox Ltd., and Nos. 5 to 7 by John Brown Land Boilers Ltd., the latter being of special interest, as they are the first boilers to be designed and erected by the company to be commissioned by the Central Electricity Authority.

All boilers are high head natural circulation radiant heat type with pulverised fuel firing and capable of generating 360,000 lb of steam per hour at a pressure of 940 lb per square inch and a temperature of 920 degrees Fahrenheit.

 

Top of No. 1 boiler

 

All boilers are of the single drum type, having the pressure parts slung from the building roof steelwork.

The superheaters are of the multi-loop type. Means of regulating the steam outlet temperature is provided by the use of tubular type attemporators placed between the primary and secondary superheater sections.

The economisers and air heaters on Nos. 1 to 4 boilers were manufactured by Babcock & Wilcox, Ltd., whereas on Nos. 5 to 7 boiler economisers were manufactured by E. Green & Son Ltd., and the air heaters by James Howden & Co. Ltd. There are four Babcock & Wilcox, Ltd., pulverising mills to each of the seven boilers.

Automatic boiler control equipment is provided to control the supply of fuel, steam pressure, air for combustion and furnace pressure.

All of the main dampers on the boilers are remote controlled by "Lockheed" hydraulic mechanism operated from the control panels from which also starting and stopping of all boiler auxiliary motors are controlled.

 

Boiler house basement showing steam receiver

 

Control panel for No.1 boiler

 

Electrostatic Precipitators

From the boilers the flue gases pass to the electrostatic precipitators which are of the two stage horizontal flow, high efficiency catch pocket electric type, complete with hoppers, high tension equipment and galleries, etc., the cleaned gases passing into the main flues and then into the chimneys.

 

Coal Handling Plant

Coal is brought into the station by rail or road. The normal rail coal traffic feeds three side-discharging tipplers fitted with automatic totalising weighbridges, and the coal is discharged from the tipplers and conveyed to the bunkers. Coal is put to store by two side-discharging tipplers and recovered by bulldozer to a reclamation hopper at the end of the main conveyor; coal can also be bulldozed up suitable ramps into wagons. The capacity of the coal store is 206,000 tons.

The coal is fed into the station by means of conveyor belts each having a capacity of 400 tons per hour. Upon reaching the station, the coal can be fed into any of the seven bunkers, each having a capacity of approximately 1,000 tons.

Incorporated in the plant is an automatic weigher by which the quantity of coal conveyed to the bunkers can be weighed. Coal to the store is weighed by means of a rail weighbridge in front of the stocking out tipplers. A magnetic head pulley and suspended magnet over the belt is provided for the purpose of removing tramp iron from the coal, and screens and crushers are included to reduce all of the coal going to the bunkers to a maximum size of 1 inches.

The main tippler structure foundations are of reinforced concrete below rail level upon boulder clay. This boulder clay stratum was found to shelve steeply away towards the west end of the structure. This portion was, therefore, designed to act as bridge between the clay to the east and a pile support driven at the west end.

 

Coal store and wagon loading ramp

 

Wagon Tippler

 

Ash Handling

Ash from the boiler furnaces and dust from the precipitators together with dust from the air heaters on Nos. 1 to 4 boilers are washed into and along sluice-ways and thence into an ash sump situated under the basement floor on the centre line of the station. Here the ash is crushed and the resulting slurry is then pumped through a pipe line and into any one of five ash lagoons situated to the north of the station. The lagoons are formed with an enclosing bund of blast furnace slag, and in them the ash settles and the water is drained off. When full, the ash is dug out and carried away by road.

Water for this purpose and for cooling P.A. & I.D. Fan bearings in the station is pumped from the River Mersey via the pump house situated to the north of the station.

 

Circulating Water System

Water for cooling purposes for the A station is drawn from the Manchester Ship Canal at the circulating water intake pump house to

 

Circulating water pump house

the south-west of the station. The water is drawn in through rough bar type screens and then through four rotary-drum type fine screens feeding to suction docks. Each dock feeds two pumps, making a total of eight pumps, which pump the water through two 78 inch diameter steel pipelines supported on piles to the station.

The total quantity of water required for the A station is 13,000,000 gallons an hour.

The water having passed through the condensers flows by gravity through two 8 feet 3 inch by 6 feet 6 inch reinforced concrete ducts to be returned to the ship canal over a side discharge weir. In order to avoid heating the intake water, this outfall has been located about half a mile down the canal from the intake.

By a system of penstocks and valves it is possible to use various combinations of screens and pumps.

 

Chlorination Plant

A chlorination plant has been provided to inject chlorine into the circulating water before the inlet to the condensers, to prevent accumulation of slime, etc.

 

Water Treatment Plant

Feed water make-up is supplied from the town main to two base exchange softening plants, one for two turbo alternators. The is one live steam evaporator of 25,000 lb per hour capacity for each turbo alternator which feeds into the pipework of the deaerator. Two chemical injection pumps with connections to each boiler are provided. Low pressure chemical injection plant is also installed for condensate treatment, each turbo alternator being supplied by a separate pump.

 

Water Storage Tanks

Nine town's water tanks are installed 72 feet above basement level on the tank floor and four reserve feed water tanks are installed 100 feet above basement level in the turbine house annexe.

Two conservator tanks in the basement facilitate boiler emptying and clean drains tanks are installed in the sub-basement.

All tanks are of welded steel construction.

 

Turbine House Crane

The turbine house crane has a span of 65 feet and has been designed to lift 130 tons with the main hook and 10 tons with the auxiliary hook.

 

Fire Fighting

Fire fighting hydrants are provided throughout the station. Auxiliary transformer fire protection is provided by an automatic CO2 installation.

 

Laboratory

 

Workshop

The workshop building including stores, measures 240 feet by 87 feet and is provided with a 15 ton overhead electrically operated crane.

The shop is equipped with lathes, milling machine, radial and bench drilling machines, and blacksmith's equipment. There is also a welding section equipped with acetylene and arc welding and an electrician's workshop.

 

Laboratory and Ambulance Room

The laboratory and ambulance room are located in the administration building.

 

Generator Transformers

The generators are connected to the 132kV system through 75 MVA 11.8 / 132 kV generator transformers, which are of the forced air cooled type and have "On Load" tap changing equipment.

 

Main Switchgear

The main 132 kV switchgear has duplicate busbars and provides for the connection of four generator transformers, two station transformers and thirteen feeders including four circuits to a nearby 275 kV substation. The 132 kV air blast circuit breakers have two series interrupter heads per phase with a rating of 800 amps, and a breaking capacity rating of 3,500 MVA.

 

Station Auxiliary Supplies

Electrically, each turbo alternator and boiler is operated on the unit principle, normal running supplies being derived from unit transformers directly connected to the main alternator.

The generator auxiliary transformers are located indoors in an annexe built on to the turbine house. The boiler auxiliary transformers are located outdoors adjacent to the boiler house, station auxiliaries, emergency and "running up" supplies are obtained from two 10 MVA station transformers located outdoors in the 132 kV compound.

 

Auxiliary control and recorder room

 

Turbine house auxiliary switchgear

 

These are of the naturally cooled type having "On Load" tap change equipment and extra internal reactance.

A 415 volt emergency supply from the Area Board local network is connected to the station auxiliary system.

 

Auxiliary Switchgear

The 3.3 kV and 415 volt switchgear is the air break type having breaking capacity ratings of 150 MVA and 25 MVA respectively.

The generator auxiliary switchboards are located at the deaerator level in an annexe between the turbine house and the boiler house. The boiler auxiliary switchboards are located in an annexe between the precipitators and boiler house at operating floor level.

 

Cable Work

The station is connected to the 132 kV switchgear compound by a cable tunnel, which conveys all main and multicore cables running between the station and the compound.

Cables are in general, of the paper insulated, non-draining type. Aluminium sheathed VIR control cables and mineral insulated, copper sheathed cables have also been used.

 

Station Lighting

The lighting generally is by means of tungsten type fittings but in the turbine house the lighting is a mixture of tungsten and mercury vapour.

Fluorescent lighting has been used in the offices and for the illumination of the control panels.

Emergency D.C. lighting is provided by the station 110 volt batteries.

 

Control and Relay Rooms

The 132 kV control room building is situated in the 132 kV compound and the second floor contains the 132 kV control room, the relay room, the meter room and a mess room.

 

Control room

 

A laylight with internal lighting and cold cathode lighting surrounding the perimeter provides artificial lighting for the control room. Additional flush lighting is provided in the ceiling.

An auxiliary control and recorder room is situated in the main station building, from which the Charge Engineer is in direct telecommunication with all operational positions and can control the station auxiliary supplies during normal and emergency conditions.

 

Substations

There is a 132 kV substation and a 275 kV substation at Carrington. The former is immediately east of the main power station buildings and the latter about 400 yards further to the east. The two substations are separated by the coal sidings but connected by 132 kV overhead conductors.

 

132 kV Substation

The 132 kV substation was established in 1953 as an outlet for the power station, and as a focal point for four existing 132 kV overhead lines, to which were added two more giving bulk supplies to the North Western Electricity Board for South Manchester. It is a double busbar station with air blast switchgear, and manually operated isolators. The line equipments each include a by-pass isolator whereby the circuit breaker may be taken out of service whilst the line remains on load. An electrical bolt-interlock scheme ensures the correct operation of these isolators and also provides for on-load transfer of all circuits from to reserve busbar and vice-versa. Ultimately there will be 22 circuit breakers controlling nine lines, four generator transformers, two station transformers, four 275 kV Supergrid transformers, one bus section and two bus couplers. The generator and station transformers are sited in the 132 kV switchgear compound.

The 132 kV busbars run approximately north and south, the main busbar being on the west side nearest the power station. Alongside the bus section switch is the control building and in a similar position on the opposite (eastern) side is the compressor house.

 

Station under construction showing the 132 kV substation

An oil plant room occupies a small separate building in the 132 kV compound.

The air blast 132 kV circuit breakers are generally similar to those in the 275 kV substation described later and like them have self-contained air storage for two complete operating cycles.

The air compressor plant is very similar to that of the 275 kV substation, comprising four compressor units, 3-stage 720 r.p.m. and two banks of four storage vessels working at 600 lb per square inch each holding the equivalent of 3,280 cubic feet of free air, sufficient for nine closing and opening operations on a circuit breaker.

 

275 kV Substation

The initial establishment of the 275 kV substation site provides for a double-busbar substation with seven air blast circuit breakers controlling four overhead line circuits and four 275 / 132 kV transformers. The station will be the main point of interconnection between the 275 kV Supergrid and the heavily-loaded Manchester, North Cheshire and South Lancashire areas. At present only two of the overhead lines, namely those from Drakelow are commissioned, and only two of the circuit breakers, those controlling the 275 / 132 kV auto-transformers, which are banked in pairs on the on the high voltage side, each pair being fed directly from one of the lines.

The 275 kV air blast circuit breakers have eight series interrupter heads per phase with a rating of 12,000 amps and a breaking capacity of 7,500 MVA.

In addition to the circuit breakers, there are isolating switches for performing off-load switching operations. These are all motor-operated

 

275 kV substation with the power station in the background

 

275 kV substation looking south

on account of their size, and those which may require immediate operation in emergency can be operated remotely from the control room. It is thus possible, for example, in the event of a breakdown of one of the two transformers in a banked pair, to open the 275 kV isolator associated therewith, and switch in the remaining transformer again, all from the control room.

Electrical bolt interlocks ensure against inadvertent operation of isolators to break the load current, and Castell key interlocks provide for safety during maintenance and for correct operation of earth switches.

The circuit breaker air receivers are kept charged with air at 325 lb per square inch from compression and reducing plant housed adjacent to the 275 kV relay room. There are four compressors each capable of compressing 30 cubic feet of free air per minute to a pressure of 600 lb per square inch in three stages. Air is stored in two groups of six air receivers at this pressure, and is passed through a reducing valve dropping the pressure down to 325 lb per square inch. Each group of six receivers holds the equivalent of 3,264 cubic feet of free air, sufficient for ten closing and opening operations on a circuit breaker in addition to the two such operating cycles accounted for by the local receivers on the breaker.

The compressors are each driven at 720 revolutions per minute by a 20 horse power induction motor.

There are four 275 / 132 kV transformers each having a maximum continuous rating of 120 MVA. They are wound as star / star auto-transformers with a tertiary delta winding. Forced cooling is by two radiator banks with oil pumps and with six cooling fans, three per bank.

The transformer protective gear is of the overall circulating-current type, by means of a type FV2  instantaneous relay in the 275 kV relay room operating from balanced current transformers adjacent to the 275 kV and 132 kV circuit breakers and in the neutral point. Additionally there the Buchholz and winding temperature tripping devices. A tank earth indicator, operated from a current transformer connected between the tank and the substation earth bar, enables the faulty transformer of a banked pair to be identified.

The transformers have on-load tap changing operated remotely from the control room. The tap changing mechanism is in separate compartments under the 132 kV terminal bushings of the transformers.

 

 

 

 

 
 
 
 
 

 

 

 

MAIN CONTRACTORS AND

PRINCIPAL SUB-CONTRACTORS

 

 

CIVIL ENGINEERING AND BUILDING WORKS

 

SITE EXCAVATION, EARTH-WORKS ROADS AND DRAINAGE.. .. .. .. .. .. .. .. .. .. .. .. ..

Taylor Woodrow Construction, Ltd.
   
REINFORCED CONCRETE PILES... .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Simplex Concrete Piles, Ltd. Carrington ps John Gill Contractors, Ltd.
   
FOUNDATIONS - SECTION 'A'.. . A. Monk & Co., Ltd
   
FOUNDATIONS - ANCILLARY BUILDINGS .. .. .. .. .. .. .. .. .. .. .. .. . A. Monk & Co., Ltd
   
REINFORCED CONCRETE WORK IN 132 kV.. .. .. .. .. .. .. .. .. .. A. Monk & Co., Ltd
   
REINFORCED CONCRETE WORK IN C.W. SYSTEM .. .. .. .. .. A. Monk & Co., Ltd
   
SEWAGE DISPOSAL .. .. .. .. .. .. .. . Ames Crosta Mills & Co., Ltd.
   
SUPERSTRUCTURE - SECTION 'A' .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. W. & J. R. Watson, Ltd.
   
ANCILLARY BUILDINGS .. .. .. .. .. W. & J. R. Watson, Ltd.
   
  Sub-Contractors :
Rooflights .. .. .. .. .. .. .. .. .. .. .. .. .. .. Girling Ferro-Concrete Co., Ltd.
Artificial stone .. .. .. .. .. .. .. .. .. .. .. .. Empire Stone Company, Ltd.
Metal windows .. .. .. .. .. .. .. .. .. .. .. . Henry Hope & Sons, Ltd.
Guniting .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. The Cement Gun Co., Ltd.
Granolithic flooring .. .. .. .. .. .. .. .. .. Prodorite, Ltd.
Terrazzo and tiling .. .. .. .. .. .. .. .. .. . Hulme & Potts, Ltd.
Shutter gates .. .. .. .. .. .. .. .. .. .. .. .. . Bolton Gate Co., Ltd.
Roof felt and cork insulation .. .. .. .. . General Asphalte Co., Ltd.
   
FOUNDATIONS - SECTION 'B'.. .. M. J. Gleeson (Contractors), Ltd.
   
SUPERSTRUCTURE - SECTION 'B'.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . M. J. Gleeson (Contractors), Ltd.
   
  Sub-Contractors :
Rooflights .. .. .. .. .. .. .. .. .. .. .. .. .. .. J. A. King & Company, Ltd.
Artificial stone .. .. .. .. .. .. .. .. .. .. .. .. Liverpool Artificial Stone Co., Ltd.
Metal windows .. .. .. .. .. .. .. .. .. .. .. . Henry Hope & Sons, Ltd.
Guniting .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. The Concrete Proofing Co., Ltd.
Granolithic flooring .. .. .. .. .. .. .. .. .. Prodorite, Ltd.
Terrazzo and tiling .. .. .. .. .. .. .. .. .. . A. Quiligotti & Co., Ltd
Roof felt and cork insulation .. .. .. .. . Vulcanite, Ltd.
   
STRUCTURAL STEELWORK .. .. .. Sir William Arrol & Co., Ltd.
   
PRECIPITATORS .. .. .. .. .. .. .. .. .. . Bierrum and Partners, Ltd.
   
BRICK CHIMNEYS .. .. .. .. .. .. .. .. . P. C. Richardson & Co. (Middlesbrough), Ltd.
   
LIGHTNING CONDUCTORS .. .. .. W. J. Furse & Co. Ltd
   
GATEHOUSE AND 33 kV SUB-STATION .. .. .. .. .. .. .. .. .. .. .. .. .. .. J. Gerrard & Sons, Ltd.
   
RAILWAY SIDINGS .. .. .. .. .. .. .. ..  
Earthworks Permanent Way .. .. .. .. .. G. Drew & Co., Ltd.
Section I .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. B.C.S. (Engineers & Contractors), Ltd.
Permanent Way - Section II .. .. .. .. .. Taylor Woodrow Construction, Ltd.
Permanent Way - Section III .. .. .. .. . Thomas W. Ward, Ltd.
Level Crossing Gates .. .. .. .. .. .. .. .. . Westinghouse Brake & Signal Co., Ltd.
   
FENCING .. .. .. .. .. .. .. .. .. .. .. .. .. . Bayliss Jones & Bayliss, Ltd.
   
   
MECHANICAL PLANT  
BOILERS Nos. 1-4 .. .. .. .. .. .. .. .. .. Babcock & Wilcox, Ltd.
  Sub-Contractors :
Boiler mountings and fittings .. .. .. .. Hopkinsons, Ltd.
Pipework .. .. .. .. .. .. .. .. .. .. .. .. .. .. . Stewarts & Lloyds, Ltd.
H.P. valves .. .. .. .. .. .. .. .. .. .. .. .. .. . Hopkinsons, Ltd.
Boiler brickwork .. .. .. .. .. .. .. .. .. .. .. Bradley & Lonsdale, Ltd.
Insulation .. .. .. .. .. .. .. .. .. .. .. .. .. .. Wm. Kenyon & Sons, Ltd.
I.D and F.D. fans .. .. .. .. .. .. .. .. .. .. James Howden & Co., Ltd.
Dust extracting plant .. .. .. .. .. .. .. .. . Lodge-Cottrell, Ltd.
Electric motors .. .. .. .. .. .. .. .. .. .. .. . Laurence Scott & Electromotors, Ltd.
Chemical injection equipment .. .. .. .. Permutit Co., Ltd.
Coal weighing machines .. .. .. .. .. .. .. Richard Simon & Sons, Ltd.
Boiler automatic control equipment and instrumentation .. .. .. .. .. .. .. .. .. Bailey Meters & Controls, Ltd.
Boiler control panel.. .. .. .. .. .. .. .. .. . Metropolitan-Vickers Electrical Co., Ltd.
Steam temperature control equipment .. .. .. .. .. .. .. .. .. .. .. .. .. .. Bailey Meters & Controls, Ltd.
   
BOILERS Nos. 5-7 .. .. .. .. .. .. .. .. .. John Brown Land Boilers, Ltd.
  Sub-Contractors :
Boiler drums .. .. .. .. .. .. .. .. .. .. .. .. .. Thos. Firth & John Brown, Ltd.
Superheaters .. .. .. .. .. .. .. .. .. .. .. .. .. The Superheater Co., Ltd.
Economisers .. .. .. .. .. .. .. .. .. .. .. .. .. E. Green & Sons, Ltd.
Boiler mountings and fittings .. .. .. .. Hopkinsons, Ltd.
Pipework .. .. .. .. .. .. .. .. .. .. .. .. .. .. . Stewarts & Lloyds, Ltd.
H.P. valves .. .. .. .. .. .. .. .. .. .. .. .. .. . Hopkinsons, Ltd.
Boiler brickwork .. .. .. .. .. .. .. .. .. .. .. Bradley & Lonsdale, Ltd.
Insulation .. .. .. .. .. .. .. .. .. .. .. .. .. .. Wm. Kenyon & Sons, Ltd.
I.D and F.D. fans .. .. .. .. .. .. .. .. .. .. James Howden & Co., Ltd.
Dust extracting plant .. .. .. .. .. .. .. .. . Lodge-Cottrell, Ltd.
Pulverised fuel equipment .. .. .. .. .. .. Babcock & Wilcox, Ltd.
Oil fuel equipment .. .. .. .. .. .. .. .. .. . Babcock & Wilcox, Ltd.
Chemical injection equipment .. .. .. .. Permutit Co., Ltd.
Electric motors .. .. .. .. .. .. .. .. .. .. .. . Laurence Scott & Electromotors, Ltd. Lancashire Dynamo & Crypto, Ltd.
Soot blowing equipment .. .. .. .. .. .. .. Hopkinsons, Ltd.
Boiler automatic control equipment and instrumentation .. .. .. .. .. .. .. .. .. Bailey Meters & Controls, Ltd.
Boiler control panel.. .. .. .. .. .. .. .. .. . Bailey Meters & Controls, Ltd.
Steam temperature control equipment George Kent, Ltd.
   
   
ASH AND DUST HANDLING PLANT Babcock & Wilcox, Ltd.
  Sub-Contractors :
Magnets .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Elctromagnets, Ltd.
Screening plant .. .. .. .. .. .. .. .. .. .. .. . International Combustion, Ltd.
Capstans .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Stothert & Pitt, Ltd
Fairleads.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Stothert & Pitt, Ltd
Motors.. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Laurence Scott & Electromotors, Ltd.
Control gear.. .. .. .. .. .. .. .. .. .. .. .. .. Metropolitan-Vickers Electrical Co., Ltd.
Weigher belt.. .. .. .. .. .. .. .. .. .. .. .. .. Saml. Denison & Son, Ltd.
Coal crusher .. .. .. .. .. .. .. .. .. .. .. .. .. British Jeffrey Diamond, Ltd.
   
WAGON TIPPLERS .. .. .. .. .. .. .. .. Babcock & Wilcox, Ltd.
   
  Sub-Contractors :
TIPPLER WEIGHERS .. .. .. .. .. .. .. W. & T. Avery, Ltd.
   
DIESEL SHUNTING LOCOMOTIVES .. .. .. .. .. .. .. .. .. .. R. Stephenson & Hawthorne, Ltd.
   
BULLDOZERS .. .. .. .. .. .. .. .. .. .. .. John Fowler & Co. Ltd. Carrington power Thomas W. Ward, Ltd.
   
TURBO-ALTERNATOR SETS, CONDENSING AND FEED HEATING PLANTS .. .. .. .. .. .. .. .. Metropolitan-Vickers Electrical Co., Ltd.
   
  Sub-Contractors :
Extraction and drain pumps .. .. .. .. .. Mather & Platt, Ltd.
Distilled water pumps .. .. .. .. .. .. .. .. Pulsometer Engineering Co., Ltd.
Water treatment plant .. .. .. .. .. .. .. .. Permutit Co., Ltd.
Evaporator Nos. 1 and 2 sets .. .. .. .. Aiton & Co., Ltd.
Condenser tubes and tube plates .. .. . I.C.I. Ltd. (Metals), Birmingham
Oil pumps .. .. .. .. .. .. .. .. .. .. .. .. .. .. Mather & Platt, Ltd. Carrington power Mirrlees Bickerton & Day, Ltd.
Jacking oil pump .. .. .. .. .. .. .. .. .. .. .. Tangyes, Ltd.
Oil purifier .. .. .. .. .. .. .. .. .. .. .. .. .. . Alfa-Laval Co., Ltd.
   
MOTOR DRIVEN FEED PUMPS .. Mather & Platt, Ltd.
   
TURBINE DRIVEN FEED PUMPS G. & J. Weir, Ltd.
   
HIGH PRESSURE PIPEWORK .. .. Stewarts & Lloyds, Ltd.
  Sub-Contractors :
Valves .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Hopkinsons, Ltd.
Insulation .. .. .. .. .. .. .. .. .. .. .. .. .. .. Wm. Kenyon & Sons, Ltd.
   
LOW PRESSURE PIPEWORK .. .. . Stewarts & Lloyds, Ltd.
  Sub-Contractors :
Tanks .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Newton Chambers & Co., Ltd.
Valves  .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. J. Blakeborough & Sons, Ltd.
Insulation .. .. .. .. .. .. .. .. .. .. .. .. .. .. Wm. Kenyon & Sons, Ltd.
   
CIRCULATING WATER PIPES .. . Danks of Netherton Carrington power statio T. B. Pearson & Sons, Ltd.
   
CIRCULATING WATER PUMPS .. Mather & Platt, Ltd.
   
CIRCULATING WATER SCREENING PLANT, VALVES AND PENSTOCKS .. .. .. .. .. .. .. .. . J. Blakeborough & Sons, Ltd.
   
MOTOR DRIVEN CUP TYPE SCREEN .. .. .. .. .. .. .. .. .. .. .. .. .. .. . F. W. Brackett & Co. Ltd.
   
CHLORINATION PLANT .. .. .. .. .. Wallace & Tiernan, Ltd.
   
130 TON TURBINE HOUSE CRANE .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Clyde Crane & Booth, Ltd.
   
AUXILIARY CRANES .. .. .. .. .. .. .. Wharton Crane & Hoist Co., Ltd.
   
ELECTRIC LIFTS .. .. .. .. .. .. .. .. .. . Etchells, Congdon & Muir, Ltd.
   
   
ELECTRICAL PLANT  
   
Main 132 kV switchgear .. .. .. .. .. .. . Metropolitan-Vickers Electrical Co., Ltd.
Generator and Station transformers .. Ferranti, Ltd.
Auxiliary transformers .. .. .. .. .. .. .. .. Bonar Long, Ltd. Carrington power stn Ferranti, Ltd.
Auxiliary switchgear  .. .. .. .. .. .. .. .. . English Electric Co., Ltd.
Cabling .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . British Insulated Callender's Cables, Ltd.
Batteries and Rectifiers  .. .. .. .. .. .. .. Tudor Accumulator Co., Ltd. Carrington Nevelin Electric Co., ltd.
Lighting and heating - Section 'A' .. .. Broughton & Irlam Electrical Engineering Co., Ltd.
Lighting and heating - Section 'B' .. .. London Electricity Board
Supervisory control and annunciator gear  .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Automatic Telephone & Electric Co., Ltd.
Fire extinguisher equipment .. .. .. .. .. The Walter Kidde Co., Ltd.
Operational telephones .. .. .. .. .. .. .. Clifford & Snell, Ltd.
   
   
132 kV SUBSTATION  
   
REINFORCED CONCRETE WORK  .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. A. Monk & Co., Ltd
   
CONTROL AND ANCILLARY BUILDINGS .. .. .. .. .. .. .. .. .. .. .. .. . W. & J. R. Watson, Ltd.
   
MAIN SWITCHGEAR .. .. .. .. .. .. .. Metropolitan-Vickers Electrical Co., Ltd.
   
LIGHTING (SUB-STATION) .. .. .. . London Electricity Board
   
LIGHTING AND HEATING (CONTROL BUILDING) .. .. .. .. .. . Broughton & Irlam Electrical Engineering Co., Ltd.
   
SUPERVISORY CONTROL GEAR Automatic Telephone & Electric Co., Ltd.
  Sub-Contractors :
Busbars and connections .. .. .. .. .. .. . Pirelli General Cable Works, Ltd.
Insulators .. .. .. .. .. .. .. .. .. .. .. .. .. .. . Taylor, Tunnicliff & Co. Ltd.
Batteries .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. Edison Swan Electric Co., Ltd.
Battery charger .. .. .. .. .. .. .. .. .. .. .. . Westinghouse Brake & Signal Co., Ltd.
Oil equipment .. .. .. .. .. .. .. .. .. .. .. .. Stream-Line Filters, Ltd.
Cabling .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . Edison Swan Electric Co., Ltd.
Air compressors .. .. .. .. .. .. .. .. .. .. .. Worthington Simpson, Ltd.
Air receivers .. .. .. .. .. .. .. .. .. .. .. .. .. Chesterfield Tube Co., Ltd.
Air pipe joints .. .. .. .. .. .. .. .. .. .. .. .. British Ermeto Corporation
Air control equipment .. .. .. .. .. .. .. .. Foxboro Yoxall, Ltd.
Air valves .. .. .. .. .. .. .. .. .. .. .. .. .. .. Shiphams, Ltd.
   
132 kV CABLES .. .. .. .. .. .. .. .. .. .. . W. T. Glover & Co., Ltd.
   
REACTORS .. .. .. .. .. .. .. .. .. .. .. .. . Hackbridge & Hewittic Electric Co., Ltd.
   
   
275 kV SUBSTATION  
   
CIVIL ENGINEERING WORK .. .. Sir Alfred McAlpine & Son, Ltd.
  Sub-Contractor :
  Ferrocrete, Ltd.
   
MAIN SWITCHGEAR .. .. .. .. .. .. .. Metropolitan-Vickers Electrical Co., Ltd.
   
SUPERGRID TRANSFORMERS .. . Metropolitan-Vickers Electrical Co., Ltd.
   
LIGHTING AND HEATING .. .. .. . Broughton & Irlam Electrical Engineering Co., Ltd
  Sub-Contractors :
Isolating and earth switches .. .. .. .. .. English Electric Co., Ltd.
Post insulators .. .. .. .. .. .. .. .. .. .. .. .. Taylor, Tunnicliff & Co. Ltd.
Tension insulators and fittings .. .. .. . Pilkington Bros.
Batteries .. .. .. .. .. .. .. .. .. .. .. .. .. .. . Chloride E & Co.
Battery charger .. .. .. .. .. .. .. .. .. .. .. . Harmer & Simmons, Ltd.
Multicore cables .. .. .. .. .. .. .. .. .. .. . Edison Swan Electric Co., Ltd.
Air compressors .. .. .. .. .. .. .. .. .. .. .. Worthington Simpson, Ltd.
Air receivers .. .. .. .. .. .. .. .. .. .. .. .. .. Chesterfield Tube Co., Ltd.
Air pipe joints .. .. .. .. .. .. .. .. .. .. .. .. British Ermeto Corporation
Stop valves .. .. .. .. .. .. .. .. .. .. .. .. .. . Sir W. H. Bailey & Co., Ltd.
Safety valves .. .. .. .. .. .. .. .. .. .. .. .. . Royles, Ltd.
   
   
   
   
   

Original Printing by

The Haycock Press Ltd., London S.E.5

[P.S.B. 121        20/7/56]

 

Site Plan

 

Cross-section Boilers 1 - 4

 
Cross-section Boilers 5 -7
 

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