E-8201
Equip
Tag No: E-8201Ventilation plan(Hot / Cold work)
S/NO ACTIVITIES
1 Equipment Dimensions Qty Unit
1.1 Internal Diameter 3.8 M
1.2 Length 20 M
1.3 Calculated Volume 227 M3
2 Standard Requirements Qty Unit
2.1 Air Exchange Per Hour (ACH) 10 times
2.2 Air Exchange Volume Per Worker For Active Cold Work 84 M3/h
2.3 Air Exchange Volume Per Active Hot Work Person for Active Hot Work 3600 M3/h
3 Standard Air Flow of Blowers Qty Unit
3.1 24" Air Blower @ 80 psi 28713 M3/hr
M1 24"
3.2 20" Air Blower @ 80 psi 18689 M3/hr
3.3 12" Air Blower @ 80 psi 3636 M /hr
3
3.4 16" Air Blower @ 80 psi 8241 M3/hr
3.5 6HP Eductor for (6" - 8" flanges) @ 80 psi 7645 M3/hr
3.6 3HP Eductor for (2" - 4" flanges) @ 80 psi 2888 M3/hr
4 For Confined Entry works Qty Capacity Unit
4.1 Minimum flow rate required for 10 ACH 2270 M3/hr Volume 227 M3
4.2 Total number of workers (cold work) 2 168 M3/hr
4.3 Total number of welders/cutters (hot work) 1 3600 M3/hr
4.4 Minimum flow rate required for Active work (4.2+4.3) 3768 M3/hr
ID - 3.8 M
4.5 Flow required for Confined Space Works 3768 M3/hr L - 20M
5 Total Air Flow Available Qty Unit
5.1 Number of 24" Air Blower/eductor 0 M3/hr
5.2 Number of 20" Air Blower/eductor 0 M3/hr
5.3 Number of 12" Air Blower 0 0 M3/hr
4.3 Number of 16" Air Blower 1 8241 M3/hr
5.4 Number of 6HP Eductor for (6" - 8" flanges) 0 M3/hr
5.5 Number of 3HP Eductor for (2" - 4" flanges) 0 M3/hr
5.6 To Manually Input Airflow if Ducting is used. Refer to Table Below M3/hr
5.8 Total Air Flow Available 8241 M3/hr
6 Does Proposed Ventilation Meet Minimum Requirements?
6.1 Total Ventilation in the confined space area is > requirement -Factor>1
OK 2.19
Legend:
To be filled by user
Calculated value
Not applicable
N2-64''
EXXX Job Description as in TA Scope Master List
Ventilation Plan at Nozzles
SL NO WORK PHASE REMARKS
M1 N2
1 Initial Ventilation 16''HP Eductor
2 Entry at M1 & N2 16''HP Eductor
