HomeMy WebLinkAbout20260098 56 Duplainville Rd Regeneron Sketch Plan Noise Info for Cooling Towers & GeneratorsREPRESENTATIVE
NOISE INFORMATION
FOR THE 4,000 TON COOLING TOWER
Sound Pressure Levels (SPL) in dB RE 0.0002 Microbar
Sound Power Levels (PWL) in dB RE 10-12 Watt
Model AT 424-3M28
Motor 30.00 HP
# Motors 4
Speed Full Speed
4 Cell Data
Sound Pressure Level (dB)
End Motor Side Opp End Opp Mtr. Side Top Sound
5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft Power
Band (1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)Level (db)
63 HZ 75 70 75 70 75 70 75 70 77 63 100
125 HZ 71 65 72 65 71 65 72 65 78 66 99
250 HZ 67 59 67 59 67 59 67 59 71 64 96
500 HZ 75 60 75 60 75 60 75 60 72 62 95
1 KHZ 74 62 74 63 74 62 74 63 71 62 95
2 KHZ 73 58 74 61 73 58 74 61 69 61 94
4 KHZ 75 58 76 59 75 58 76 59 69 60 93
8 KHZ 77 56 78 59 77 56 78 59 70 59 92
Calc dBA 82 66 82 68 82 66 82 68 77 68 101
Sound option(s) selected:Super Low Sound Fan
Remarks:1.Sound Pressure Levels are according to CTI Standard ATC-128[2025] and verified by an independent CTI-licensed
sound test agency
2.Sound Power Levels are calculated according to the Small Units Section 8
3.Sound from free-field conditions over a reflecting plane with +/-2 db(A) tolerance
4.Noise levels can increase with variable frequency drives depending on the drive manufacturer and the drive
configuration
5.Complete unit sound data with all fans operating
Full Speed Complete Sound Data
Ben McLaughlin
Fluid Equipment Solutions of New England, LLC
P.O. Box 87
Amesbury, Massachusetts 01913
781-941-0030
ben@fesone.com
Page 9 of 12
Sound Pressure Levels (SPL) in dB RE 0.0002 Microbar
Sound Power Levels (PWL) in dB RE 10-12 Watt
Model AT 424-3M28
Motor 30.00 HP
# Motors 4
Speed Full Speed
1 Cell Data
Sound Pressure Level (dB)
End Motor Side Opp End Opp Mtr. Side Top Sound
5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft Power
Band (1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)Level (db)
63 HZ 72 65 72 65 72 65 72 65 73 57 94
125 HZ 68 60 69 60 68 60 69 60 74 60 94
250 HZ 64 54 64 54 64 54 64 54 67 58 90
500 HZ 72 55 72 55 72 55 72 55 68 56 89
1 KHZ 71 57 71 58 71 57 71 58 67 56 90
2 KHZ 70 53 70 56 70 53 70 56 65 55 88
4 KHZ 72 53 72 54 72 53 72 54 65 54 87
8 KHZ 74 51 74 54 74 51 74 54 66 53 86
Calc dBA 79 61 79 63 79 61 79 63 73 62 95
Sound option(s) selected:Super Low Sound Fan
Remarks:1.Sound Pressure Levels are according to CTI Standard ATC-128[2025] and verified by an independent CTI-licensed
sound test agency
2.Sound Power Levels are calculated according to the Small Units Section 8
3.Sound from free-field conditions over a reflecting plane with +/-2 db(A) tolerance
4.Noise levels can increase with variable frequency drives depending on the drive manufacturer and the drive
configuration
5.Complete unit sound data with all fans operating
Full Speed Single Cell Sound Data
Ben McLaughlin
Fluid Equipment Solutions of New England, LLC
P.O. Box 87
Amesbury, Massachusetts 01913
781-941-0030
ben@fesone.com
Page 10 of 12
REPRESENTATIVE
NOISE INFORMATION
FOR THE 8,000 TON COOLING TOWER
Sound Pressure Levels (SPL) in dB RE 0.0002 Microbar
Sound Power Levels (PWL) in dB RE 10-12 Watt
Model AT 428-5L52
Motor 25.00 HP
# Motors 8
Speed Full Speed
4 Cell Data
Sound Pressure Level (dB)
End Motor Side Opp End Opp Mtr. Side Top Sound
5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft Power
Band (1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)Level (db)
63 HZ 75 71 76 71 75 71 76 71 78 64 102
125 HZ 72 66 73 67 72 66 73 67 79 68 101
250 HZ 67 59 68 60 67 59 68 60 72 65 97
500 HZ 75 60 76 61 75 60 76 61 71 63 96
1 KHZ 76 63 75 64 76 63 75 64 70 63 97
2 KHZ 74 60 75 62 74 60 75 62 69 62 95
4 KHZ 75 59 75 60 75 59 75 60 67 61 95
8 KHZ 76 59 77 60 76 59 77 60 69 60 93
Calc dBA 82 68 83 69 82 68 83 69 76 69 103
Sound option(s) selected:Super Low Sound Fan
Remarks:1.Sound Pressure Levels are according to CTI Standard ATC-128[2025] and verified by an independent CTI-licensed
sound test agency
2.Sound Power Levels are calculated according to the Small Units Section 8
3.Sound from free-field conditions over a reflecting plane with +/-2 db(A) tolerance
4.Noise levels can increase with variable frequency drives depending on the drive manufacturer and the drive
configuration
5.Complete unit sound data with all fans operating
Full Speed Complete Sound Data
Ben McLaughlin
Fluid Equipment Solutions of New England, LLC
P.O. Box 87
Amesbury, Massachusetts 01913
781-941-0030
ben@fesone.com
Page 9 of 12
Sound Pressure Levels (SPL) in dB RE 0.0002 Microbar
Sound Power Levels (PWL) in dB RE 10-12 Watt
Model AT 428-5L52
Motor 25.00 HP
# Motors 8
Speed Full Speed
1 Cell Data
Sound Pressure Level (dB)
End Motor Side Opp End Opp Mtr. Side Top Sound
5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft 5.0 ft 50.0 ft Power
Band (1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)(1.5m)(15.2m)Level (db)
63 HZ 72 66 73 66 72 66 73 66 74 58 97
125 HZ 69 61 70 62 69 61 70 62 75 62 96
250 HZ 64 54 65 55 64 54 65 55 68 59 92
500 HZ 72 55 73 56 72 55 73 56 67 57 90
1 KHZ 73 58 72 59 73 58 72 59 66 57 92
2 KHZ 71 55 72 57 71 55 72 57 65 56 90
4 KHZ 72 54 72 55 72 54 72 55 63 55 89
8 KHZ 73 54 74 55 73 54 74 55 65 54 88
Calc dBA 79 63 79 64 79 63 79 64 72 63 98
Sound option(s) selected:Super Low Sound Fan
Remarks:1.Sound Pressure Levels are according to CTI Standard ATC-128[2025] and verified by an independent CTI-licensed
sound test agency
2.Sound Power Levels are calculated according to the Small Units Section 8
3.Sound from free-field conditions over a reflecting plane with +/-2 db(A) tolerance
4.Noise levels can increase with variable frequency drives depending on the drive manufacturer and the drive
configuration
5.Complete unit sound data with all fans operating
Full Speed Single Cell Sound Data
Ben McLaughlin
Fluid Equipment Solutions of New England, LLC
P.O. Box 87
Amesbury, Massachusetts 01913
781-941-0030
ben@fesone.com
Page 10 of 12
REPRESENTATIVE
NOISE INFORMATION
FOR THE 4MW DIESEL BACK-UP GENERATORS
ESTIMATED SOUND LEVELS FOR 4MW GENERATOR IN A
-25 dB(A) ENCLOSURE WITHIN A FREE FIELD ENVIRONMENT