ILO homeTopicsEmployment intensive investmentsThematic areasPublic and Private Sector Development Resources on local contracting Construction of low volume sealed roads : good practice guide to labour-based methods 01 May 2013 The Guideline is primarily targeted at Small-Scale Contractors and their Supervisors who are involved in low-volume road works using Labour Based Methods (LBM). Productivity norms for labour-based construction 01 May 1998 Training material source book; A guide for trainers in labour-based roadworks 01 September 1997