Airports Authority Of India Tender

Ambient Air Monitoring Monitoring and submitting monthly reports as per the details below and as directed by Engineer in Charge (a) Monitoring of the Ambient Air Quality AAQ at 4 locations 2 days per week/8 days per month adopting following techniques: (i) Sulphur dioxide (SO2) in ambient air by Improved West and Gaeke method. (ii) Nitrogen dioxide (NOx) in ambient air By Modified Jacob and Hochheiser Method (iii) Particulate Matter (PM10) in ambient air By (Gravimetric Method), (iv) Particulate Matter PM2.5 in ambient air (Gravimetric Method), (v) Carbon mono-oxide in ambient air to be measured directly with Automatic CO analyser, (vi) Hydro carbons in ambient air to be measured with automatic BTX Analyser, (vii) Meteorological data: Temperature WET & DRY, Relative humidity, Barometric pressure, Wind Direction, Wind speed, cloudiness, Rainfall data etc at one location each hour, for every day of the month to be collected from certified source or monitored using online weather station with necessary equipment.

Noise Monitoring Monitoring and submitting monthly reports as per the details below and as directed by Engineer in Charge (a) Monitoring of Noise level in L10, L50, L90, Leq, Leq day, Leqnights, LeQdn at 4 locations (1 inside Airport premises and 3 outside locations) 2 days per week/8 days per month. The measurements are to be taken with duration of one minute per hour for 24 hours using sound level meter fulfilling the requirements for a class 1 instrument specified in IEC 61672-1 (2002) Class 1 and as per standard practice and guidelines of CPCB & MoEF.

Physico-Chemical and bacteriological testing of Drinking water: Monitoring and submitting Half Yearly reports of Physico-Chemical and bacteriological parameters of Drinking water by carrying out necessary tests once in six months for water samples collected from 2 locations as per IS:10500: 2012 guidelines and as directed by Engineer In-charge: