Appendix F1 Impact Prediction Review of Construction Dust at the Air Quality Monitoring Station

Table 1 Hourly & 24-Hour Average TSP concentration at Discrete ASRs without mitigation at 1.5m height during operational phase of batching plant and other concurrent construction activities of Cyberport Development (mg/m³) (Unmitigated)

ASR ID	Air Monitoring Station ID	TSP Concentrations (mg/m^3) + Background
		1 - hour		24 – hour
		1.5 m	10 m	1.5 m	10 m
19 40	A1 A2	1400 1070	1270 1064	627 461	561 458

Table 2 Hourly & 24-Hour Average TSP concentration at Discrete ASRs without mitigation at 1.5m height during operational phase of batching plant and other concurrent construction activities of Cyberport Development (mg/m³) (mg/m³) (Mitigated)

ASR ID	Air Monitoring Station ID	TSP Concentrations (mg/m^3) + Background
		1 - hour		24 – hour
		1.5 m	10 m	1.5 m	10 m
19 40	A1 A2	362 307	358 307	108 80	106 80

Note :

1. Bold figures indicate exceedance of the 1-hr TSP criterion 500 mg/m³& the 24-hr TSP criterion 260 mg/m³.

2. Background concentration : 265 mg/m³.for 1-hour TSP & 59 mg/m³ for 24-hourTSP

The impact prediction review checklist is used to check the extent of discrepancy between the actual and the predicted impact at the designated monitoring stations. ET should estimate the efficiency of proposed mitigation and plan it carefully for the ongoing construction activities.

Appendix F2 Impact Prediction Review of Construction Noise at the Noise Monitoring Station

Table 1 Predicted Cumulative Construction Noise Levels at the Noise Monitoring Stations (Unmitigated)

NSR ID	Noise Monitoring Station ID	Leq (30min) dB(A)
		Scenario
		Dec00	Jan01	Feb01	Mar01	Apr01	May 01	Jun01	Jul 01	Aug01	Sep01	Oct01	Nov01	Dec01
8	N1	72	74	74	74	74	74	74	75	72	71	71	66	70
27	N2	64	66	66	66	64	64	64	64	63	63	63	63	63
19	N3	75	76	76	76	75	75	75	75	74	74	74	74	74
40	N4	64	64	64	64	63	63	62	62	61	61	61	61	61

Table 2 Predicted Cumulative Construction Noise Levels at the Noise Monitoring Stations (Mitigated)

NSR ID	Noise Monitoring Station ID	Leq (30min) dB(A)
		Scenario
		Dec00	Jan01	Feb01	Mar01	Apr01	May 01	Jun01	Jul 01	Aug01	Sep01	Oct01	Nov01	Dec01
8	N1	72	73	73	74	74	74	74	74	71	71	71	65	69
27	N2	60	62	62	62	62	62	62	62	61	61	61	61	61
19	N3	74	75	75	75	75	75	75	75	73	73	73	73	73
40	N4	62	62	62	62	62	62	60	60	60	60	60	60	60

Note :

1. Bold figures indicate an exccedance of the acceptable noise limits – Residential 75 dB(A), Schools 70 dB(A) (for normal school hours)

The impact prediction review checklist is used to check the extent of discrepancy between the actual and the predicted impact at the designated monitoring stations. ET should estimate the efficiency of proposed mitigation and plan it carefully for the ongoing construction activities.