tender for provision of 1 no diesel driven vehicle on hire basis for the use of the executive engineer/o&m/coonoor division; 1 hire charges for diesel driven van/jeep for the 12.00 hrs usage between 8.00 hrs to 20.00 hrs in a day including driver salary, bata etc but excluding diesel cost 2 retention charges per hour for a period exceeding 12.00 hrs in a day ie., beyond 8.00 pm but upto maximum duration of 4 hours. this hourly retention charges is applicable only when the vehicle returns head quarters and will not be applicable during night halts outside head quarters. 3 retention charges for night halt ie., between 8.00 pm to 8.00 am next morning 4 performance factor for plains in kms/litre 5 performance factor for hills in kms/litre