Laka Foundation

Publication Laka-library:
Heysham 2/Torness. A review of AGR development.

AuthorNNC
DateMarch 1981
Classification 2.05.9.90/11 (UNITED KINGDOM - OTHER FACILITIES)
Front

From the publication:

Heysham 2/Torness

New advanced gas-cooled reactors incorporate design improvements

With the placing of contracts for the new advanced gas-cooled reactors for 
Heysham 2, England, and Torness, Scotland, a new British nuclear power 
programme is underway. The programme includes the first British PWR at Sizewell 
and envisages ''a future rate of ordering of one nuclear station a year for at least 
ten years''. In this first article*, the main design features of Heysham and Torness 
and the way in which components and circuits will operate are described. Civil 
engineering work has started and commissioning is scheduled for 1987/88.

The Heysham Stage 2 and Torness nuclear power stations will have twin 660MWe 
(nominal) advanced gas-cooled reactors based on the design of those operational at 
Hinkley B and Hunterston B since 1976. Some design changes have been introduced 
either to meet enhanced safety requirements which have arisen in the decade since 
the Hinkley and Hunterston reactors were ordered, or to improve some features in the 
design, construction and operation of these stations. Experience gained in the design 
and construction of the Hartlepool and Heysham 1 stations has also been taken into 
account. The main performanceparameters of the Heysham 2/Torness designs are 
listed in Table 1.

*By the National Nuclear Corporation.

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