Repair and maintenance of plant. Repair and maintenance services. Steam-generating boilers. Repair and maintenance services of boilers. Miscellaneous repair and maintenance services. The Maintenance of Boiler Pressure Parts and Auxiliary Plant in 2 lots and they may be award to 1 supplier or separately depending on the most economically advantageous tenders received. The 1st lot LWL000002 is Maintenance of Boiler Pressure Parts and Auxiliary Plant and lot 2 LWL000003 is Maintenance of Boiler Pressure Parts (Excluding Fittings and Auxiliary Plant).