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The upper parts of the cells are supported by channel iron Girders having holes to receive the tie rods and strengthened by cast iron cover plates male of a section to fit the channels and ribbed and bored to form a secure bed for the tie rods.
The ends of the cells are supported by Buckstaves prepared for tie rods.
The Channel Girders and buckstaves are placed to allow the tie rods to miss the internal parts of the cells.
The dead plates of cast iron, girder section having ribs and also perforated rebates to receive the ends of the firebars and lever brackets to attach the rocking gear.
The furnace mouths are of cast iron and fitted to support the firebrick arches with provision for expansion and contraction and allow space for the cells being 6 feet wide.
The firebars are of special cast iron with teeth edges and trunion ends and are of the rocking type. Each furnace cell to contain about 40 superficial feet. The lower part of each firebar to have projections to attach the movement gear and each cell provided with side bearers and the firebars to rock in suitable bearings, each cell is also provided with a back bearer of cast iron.
A cast iron hopper with wrought iron door is provided for charging each cell.
Also a quantity of bolts, nuts and washers of various sizes making a complete set of ironwork for a 10-Celled Destructor.
Brickwork.
The brickwork to consist internally of 9" firebrick reverberatory arches, the top part of each arch supported upon side walls of purpose-shaped bricks.
The front part of each arch to extend through the outside walls to ensure firmness, including cutting to receive the furnace mouths dead plates, firebar bearers and feeding hoppers. The arches to be provided with outlet openings for products of combustion exit, and each arch set on an inclinc, the lower end finishing over the dead plates.
The centre walls at the back of the arches to be constructed in firebrickwork well bonded to the arches and provided with outlet flues from each cell.
The drying hearths to be also of firebrick, paved and grouted in fireclay and extending from the back of firebars to the centre wall of furnace.
The main arch lined with firebrick and having supports on side wall, also lined with firebrick. The end wall to be well bonded into the arch and side walls and formed to receive the cast iron frame and main flue door.
The outside walls to be of ordinary brickwork, consisting of front and back walls with firebrick footings. The joints to be neatly formed and cut with arches and arranged to receive the cast iron facia plates, panel plates, and curb plates to ashpits also the tie rods, channel irons and buckstaves.
The ashpits to be constructed in ordinary brickwork, having thick side walls. The bottom of each to have brick paving inclined towards the front of the furnace.
The top of the Destructor to be paved with special hard selected bricks and to be cut and fitted round the edges.
Flues.
One Bye-pass Flue about 30 feet long, including the usual foundations, the flue to be constructed in firebrick inside and ordinary brickwork outside; also main flue to chimney.
Tools, etc.
Two Clinker Barrows and two sets of Feeding and Firing Tools complete.
Dust Trap.
One Special Dust Trap similar to those used at Hornsey, etc. complete with cast iron doors and frames, and fitted with baffle plates.
Multitubular Boilers.
Two Multitubular Boilers of 100 H.P. 6'. 6" dia. 15′. 0′′ long with Water Drum 3′. 0′′ dia. 9′. 0′′ long complete with all mountings and fittings.
Brickwork in Boiler settings complete with usual foundations.
Main Flue Dampers, No. 4 Boiler Cradles, No. 2 sets Sinoke Doors, No. 2 sets Roof Tees, No. 2 Blow Off Pit Frames and Lids.
Two Donkey Feed Pumps, Steam Cylinder 4" diameter, Ram 2" diameter x 3" stroke complete with bolts.
C. I. Coupling Steam Main to Boilers.
W. I. Piping, Suction, Delivery Steam and Exhaust Piping to No. 2 Pumps.
Two Foundation Stones and Concrete to Pumps.
Two Special Firegrates to Boilers 7′. 6′′ long 2′. 9′′ wide complete with firebars, bearers, fronts and doors.
Two sets Firing Tools and No. 2 sets Cleaning Tools.
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