bids are invited for custom bid for services - internal and external mechanized coach cleaning at pit or washing line and watering of coaches primary coaches ac and nac , custom bid for services - internal and external mechanized coach cleaning at pit or washing line and watering of coaches secondary coaches ac and nac , custom bid for services - mechanized cleaning of coaches in platform return or terminal attention trains and watering of coaches terminal attention ac and nac , custom bid for services - mechanized cleaning of washing lines including pits sickline office complex and depot complex surrounding area and complete cleaning of depot complex approx area 26054 sq mtr for haridwar depot on daily basis , custom bid for services - mechanized cleaning of washing lines including pits sickline office complex and depot complex surrounding area and complete cleaning of depot complex approx area 2252 sq mtr for najibabad depot on daily basis