rate contract for supply of portable indian toilet cabins on rental basis along with cleaning and maintenance services for the period of two years , “supply of portable indian toilet cabins (with waste holding tank capacity 200 litre) on rental basis along with cleaning & maintenance services for 24 hours (i.e. per day), including provision of drum, bucket, and hand wash station along with continuous waste evacuation by suction vehicles from the waste tank to which the toilet outlets shall be connected.” note: -1. toilet waste holding tank shall be cleaned as per requirement as per site condition by following method i.e. a. direct suction by suction vehicle from each toilet unit. b. direct suction by suction vehicle from septic tank. the installation of septic tank, pipe and fitting, civil work etc. shall be included in the rate quoted. c. direct suction by suction vehicle from location where existing chambers are available. 2. water for cleaning, hand wash shall be provided by nmc