Narcissus and Daffodil

138 J.B. Briggs
Table 5.5 Capital costs for equipment needed in growing Narcissus bulbs a
Item Size Cost
1a Pre-HWT warm store (bulk system) 175 t
Building 19.2 m × 19.2 m × 5.5 m £54 600
Tunnel 19.2 m × 1.2 m × 1.5 m £6048
Floor 19.2 m × 18 m £15 225
Fans 8.27 m 3 /s £1890
Heater 110 kW £2730
Total £80 493
1b Pre-HWT warm store (box system) 175 t
Building 21 m × 12 m × 5.5 m £36 750
Letterbox wall 21 m × 4 m £11 025
Fans 8.27 m 3 /s £1890
Heater 110 kW £2730
Total £52 395
2 HWT system 1.25 t/hr
Tanks 2 × 4 box (3 tonne) £24 150
3 Post-HWT cooling 175 t
Building 10 m × 12 m × 6.5 m £19 950
Fan top system 2 × 4 box, 0.4 m 3 /s £2625
Total £22 575
4 Bed former £4037
5 Stone clod separator £23 189
6 Bulb planter 2.5 t/h £5250
7 Haulm topper £4725
8 Bulb lifter £38 850
9 Handling equipment 2.5 t/h
Hopper, soil remover, riddle, inspection table £23 100
Sprayer £1890
Conveyor/elevator £4998
10a Drying system (bulk) 350 t
Building 30 m × 22 m × 5.5 m £89 250
Tunnel 30 m × 1.5 m × 1.2 m £9450
Floor 30 m × 20.8 m £23 100
Fans 18.6 m 3 /s £3728
Heater 465 kW £4410
Total £129 938
10b Drying system (box) 350 t
Building 24 m × 20 m × 5.5 m £65 100
Letter box wall × 2 24 m × 3m× 1 m £9660
Fans 37.2 m 3 /s £5040
Heater 930 kW £8820
Total £88 620
11 Boxes 455 × ‘potato boxes’ £22 932
Note
aAll costs (at 1999 levels) are purely budgetary estimates and will vary widely with suppliers and manufacturers.
will be achieved, with 175 tonne bulbs being retained for re-planting, each year.
The capital items included are:
1 A pre-hot-water treatment warm store has been specified, both for bulk
(‘loose’) handling and for handling bulbs in boxes (bulk bins). This function