annual maintenance contract of 18 ( eighteen ) nos lift ( passenger and book ) at different campuses at university of calcutta , alipore campus : passenger lift passenger - 15 ; floors - ( g+10 ) ; type - auto door , alipore campus : passenger lift- v3f ; passenger - 20 ; floors - ( g+8 ) ; type - auto door , alipore campus : book lift ; passenger - 80kg ; floors - ( g+7 ) ; type - dumbwaiter , alipore campus : veharilal college ; passenger - 6 ; floors - ( g+3 ) ; type - manual door , college street campus: ashutosh bldg ( passenger lift ) ; passenger - 6 ; floor - ( g+3 ) ; type - manual door , college street campus: centenary bldg ( passenger lift ) ; passenger - 20 ; floor - ( g+8 ) ; type - v3f / manual , college street campus: library building book lift ; book lift - 80kg ; floor - ( g+8 ) ; type - dumbwaiter , college street campus: goenka hospital ( passenger lift ) ; passenger - 16 ; floor - ( g+4 ) ; type - single speed / manual door , raja bazar sc . college: passenger lift - v3f ; passenger - 9 ; floors - ( g+3 ) ; type - single speed / manual door , ballygunj science college: passenger lift - v3f ; passenger - 13 ; floors - ( g+8 ) ; type - single speed / manual door , ballygunj science college: passenger lift - v3f ; passenger - 10 ; floors - ( g+8 ) ; type - auto door , hazra law college: passenger lift ; passenger - 13 ; floors - ( g+8 ) ; type - single speed / manual door , hazra law college: passenger lift v3f ; passenger - 10 ; floors - ( g+8 ) ; type - auto door , technology campus : passenger lift; passenger - 20 ; type - v3f / auto door