Contractors: For further information regarding appointed contractors in each lot and the call-off procedures, please contact Adrian Harries or Alwyn B Williams.
Contractwyr: Am fwy o wybodaeth ynghylch y contractwyr penodedig ym mhob lot a’r trefniadau dyfarnu contract yn ôl y gofyn, cysylltwch gyda Adrian Harries neu Alwyn B Williams.