PART IIGa PERMIT APPLICATION

INSTRUCTIONS FOR COMPLETING

PURPOSE:

To obtain the information needed to process applications for air permits and to maintain these permits. The information requested is used to determine whether a source must meet State and/or Federal Regulations and if the source is capable of achieving the applicable standards. Use Part IIGa to provide the additional information required to evaluate emissions from floating roof tanks.

EXPLANATION AND DEFINITION:

In order to obtain a permit, the source must first complete and submit a permit application form. Incomplete applications will not be processed.

Please Refer to Instruction Pages Before Completing This Form

When filling out forms on the computer,

use only the tab key to move your cursor - do not use the return key.

Item 1. Under “Storage Vessel Designation” indicate the plant’s designation for the tank (e.g., No. 1 Heavy Distillate Tank, etc.).

Item 2. Under sections “a” and “b” check all categories which apply to the storage tank. List the total number of each tank fitting described in the space provided.

OFFICE MECHANICS AND FILING:

In accordance with retention schedule HEC-AQC-3 break file at the end of each fiscal year, retain within the Agency for five additional years and then destroy.

DHEC 3410 (8/99)

/ Supplemental Storage Vessel Permit Application
Bureau of Air Quality
Part IIGa
/
Bureau Use
Permit No.:
ID No.:
Date:
Reviewed By:
1.  Facility Name:
Vessel Identification No.:
2. Floating Roof Description:
a. External Floating Roof Characteristics:
Roof Type: Double Deck Pontoon Other
Fitting Category: Typical Controlled Detail
Vessel Construction and Rim Seal System:
Construction: Riveted Welded Other
Primary Seal: Mechanical Shoe Liquid Mounted Vapor Mounted Other
Secondary Seal: Rim Mounted Weather Shield None
Roof Fitting/Status: / Quantity
Access hatch (24 in. Diam.)/Bolted Cover, Gasketed
Gauge - float well (20 in. Diam.)/Unbolted Cover, Ungask.
Gauge - hatch/sample Well (8 in. Diam.)/Weighted Mech. Actuation, Gask.
Roof Leg (3 in. Diam.) Adjustable, Center Area
Roof Leg (3 in. Diam.) Adjustable, Pontoon Area
Unslotted Guide - Pole Well/Ungasketed Sliding Cover
Vacuum Breaker (10 in. Diam. Well)/Weighted Mech. Actuation, Gask.
b. Internal Floating Roof Characteristics:
Self Supporting system: Yes No
No. of Columns: Column Diameter: (ft)
Rim Seal System:
Primary Seal: Liquid Mounted Vapor Mounted
Secondary Seal: Yes No
Deck Type: Welded Bolted
Deck Characteristics: Typical Controlled Detail
Deck Construction: Cont. Sheet (Dim) Panel (Dim)
Deck Seam Length: (ft)
Deck Fitting Category: / Quantity
Deck Fitting/Status:
Access hatch (24 in. Diam.)/Unbolted Cover, Ungasketed
Automatic Gauge - Float Well Unbolted Cover, Ungasketed
Column Well (24 in. Diam.)/Built-up Col. - Sliding Cover Ungask.
Ladder Well (36 in. Diam.)/Sliding Cover, Ungasketed
Roof leg or Hanger Well Adjustable
Sample Pipe or Well (24 in. Diam.)/Slit fabric Seal 10% Open
Vacuum Breaker (10 in. Diam. Well)/Weighted Mech. Actuation, Gask

DHEC 3410 (07/1997)

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