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On Tuesday, Nov. 29th, the local unit of the Women's Teachers Federation hosted a dinner meeting at Centennial Hall, with the ladies of Rebekah Lodge doing the catering. During the evening, Nancy Peters of The Pines Sr. Public School was inducted and is shown here being welcomed by Region 4 Director Kathleen March of Peterborough, right, and Unit President Carol Yeo. Three others were to have been inducted, but were unable to attend: Judy Chambers of The Pines, Catherine Coon, Courtice North and Mme. Christine Dupe, French Immersion teacher at Bowmanville Sr. Public. The auditorium at the Knox Christian School event featured Dutch food, crafts, gift items, While Mom was browsing at Saturday's Knox received capacity crowds Saturday for the giant games and a visit from Sinterklaas. Christian School Bazaar the youngster above put Christmas bazaar held at the school annually. The in the time by chewing on his stroller. al)c Canadian Statesman ' Si, r .A Wednesday, December 7, 1983 Section Two K ^ Three-year-old Michelle Dupuis probably doesn't know that the man ^ under the grease paint is her Grandaddy Bill Vandergaast. Dressed in col- Selling bunches of fresh flowers at the Knox Christian School Bazaar orful clown gear, he was in charge of the grab bag booth at the annual Knox ■ Saturday was Loretta Mostert. The fresh posies were grown at her family's Christian School Christmas Bazaar Saturday where young Michelle was St. Nicholas and Black Peter are a perennial feature at the yearly Knox operation east of Bowmanville, Mostert Greenhouses. among the many children to purchase a surprise gift. Christian School Bazaar. They mingled with the crowds Saturday who at- tended the annual Christmas event which included games of chance, bake a. » goods and gift tables. Women Teachers Hold Meeting Here Tunnel Expert ExplainsDarlington Project Before the Darlington Nuclear Generating Station is completed, there will be two underground passageways passageways the size of subway tunnels tunnels carved out of rock beneath beneath Lake Ontario. They arc part of a cooling water intake and outlet system system which will be in operation operation at the nuclear plant. Last week, members of the Bowmanville Rotary Club learned about underground underground construction at Darlington Darlington from one of the resident resident tunnel experts on staff at at the site. Joe Aitkcn, civil contracts engineer with Ontario Hydro, was the guest speaker at a meeting of the Rotary Club held last Thursday, December 1, at the Flying Dutchman Hotel. Mr. Aitken explained that tunnels are part of the circulating circulating water system which is important to any kind of generating plant. One of the major uses of cooling water at Darlington is to condense steam, but there arc various other uses throughout the plant. Mr. Aitken explained that the first tunnel at Darlington Darlington was completed in September at a cost of $11 million. This was the 800 metre intake tunnel which will draw water into the station station from Lake Ontario.. Contractors arc now working on a discharge tun Rotary Club President, Jack Locke, (lell) looks over a diagram of Ontario Hydro's tunnelling operations operations at the Darlington Nuclear Generating Station. With Mr. Locke is Joe Aitken, a civil contracts contracts engineer with Ontario Hydro at Darlington, Mr. Aitken described how two tunnels with a combined combined length of over one mile are being built beneath beneath Lake Ontario to bring cooling water into the generating station and to discharge warm water used in the cooling process. nel which will extend close to 1900 metres into the lake. ■ Describing a typical cross section of a tunnel, the Ontario Ontario Hydro engineer noted that the structure is beneath beneath approximately 23 metres of rock and about 10 metres of water. Tunnels are large enough to allow two full-sized dump trucks to pass each other inside. inside. They are built through a process of blasting away rock with explosives at a rate of approximately 10 metres each day. Construction follows a regular pattern in which holes arc drilled into the rock face, explosives arc inserted, inserted, the rock is blasted and then cafried back to the surface. The tunnels do not require any structural supports, supports, but they are lined with concrete in order to case the flow of water. Mr. Aitken noted that when the generating station is operating, water will be drawn into intake tunnel at a rate of 153 cubic metres per second. A device being designed for the mouth of the intake will ensure that fish will not be sucked into the vortex. At the discharge tunnel, there will be 90 outlets outlets about one metre in diameter which will allow water to escape gradually into Lake Ontario, The warm water outfall has been designed to allow no more than a two degree increase in the surface temperature temperature of the lake. Mr. Aitken estimated that the oullall tunnel will take about three years to construct construct and he added that the completion of the cooling water system is slated for 19110. Benjamin Vandevhoydon earned himself a del- John Payer tried his hand al the nail hammering lav bill Saturday when he mastered a shitmey the competition during the Knox Christian School rope game at I he Knox Christian School Bazaar, Christmas Bazaar,