2023-05-11 17:12
Notwithstanding the letter to the Port of Seattle on January 7, 1982 fully endorsed by other TAC members and myself , there are some other recommendations and concerns that should be discussed that directly impact the Riverton Heights Cownunity, The Sea/Tac Airport noise rneasuring equipment would guarantee greater accuracy if it were calibrated annually by a calibratioi/certification firm with calibration apparatus traceable directly to a national standard, Aviation equipment of all sorts require calibration and certification to national standards and it is therefore reasonable for aircraft noise measuring equipment to also be subjected to such a program, The Port elnployed the Perry Company as rloise consultant for the study update, would strongly reconmend that both Perry and an independent noise consultant sign the study update ; Perry's signature attest;ing to the validity of the study and the independent as an auditor verifyinG its acctuacy, The noise study placed too much ealp:basis on the fixed monitoring stations without adequate confirrnation of the ability of such stations to detect noise within the communities, Therefore, it is suggested that additional noise !neasurelnents be made in the community via the portable system or through a fixed monitoring syste trl, The station at South !1+6th is not in the colwnunity, but in the clear zone and too far north of the runway to accurately detect the take-off, and landing thrust reverser noise to which the cowlunity is subjected along 214th Avenue South, and between South 151+th and north beyond South II+6th, While additional renedia for…