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Drumpelier Country Park Nursery wood fuel case study

  • Location: Coatbridge, Lanarkshire

Facts and figures

Note: figures are approximate

Heating system
Boiler manufacturer/model Fröling Turbomatic
Maximum boiler output 220 kW
Fuel type Wood chips
Fuel specification
  • Moisture content: <40% (M40)
  • Particle size: 80% of chips are <50 mm (P50)
Delivery, storage and handling Blockwood fuel hopper with steel lid and hydraulic lift spring out-feeder to boiler feed screw
Store capacity 11 tonnes (44 m3)
Fuel consumption and savings
Weekly woodfuel use 5 tonnes (21 m3) (estimated @ M25)
Annual woodfuel use 87 tonnes (estimated @ M25)
Annual CO2 savings 71 tonnes
Installation cost and funding
Boiler system £90,359
Funding support £90,359
Operation and maintenance costs
Annual allowance £1,750

Boiler maintenance schedule

Interval Task Action
Daily Daily visual inspection and check of key parameters recommended but not essential n/a
Weekly Check motors for oil leaks; empty ash boxes (3); check system pressure No
Monthly Check and clean grate and combustion chamber with vacuum Yes
Quarterly Clean flue gas sensor and lambda probe n/a
6-monthly Check ash and fuel feed drives, air flap servo motors and door switch; check and clean heat exchanger n/a
Annual Annual inspection and service Yes
Allowance for call-out within fixed price Six times per annum Yes