Annular Pontoon Floating Roof

Fabricate & Install New Single Deck, Annular Pontoon Floating Roof

The screening estimates are based upon the following assumptions:

Tank is clean, gas and lead free and ready for hot work
Good access exists to tank for equipment and materials
Doorsheet is a minimum of 8’ high x 8’-6” wide.
No hours are included for a dedicated fire/safety watch.
Floating roof legs are a maximum of two (2) positions. Industry standard positions for high leg and low leg setting of six (6) feet and three (3) feet respectively
Floating roof shall be built at a construction height and floated to final setting by air, water or product.
All design, fabrication and construction in accordance with API 650 Appendix C
Existing tank shell is within API-650 dimensional tolerances as far as level, plumbness, peaking, banding and buckles.
Slope of the existing bottom does not exceed 1” in 10’ (either cone up or cone down).

Cells highlighted in yellow can be modified for user input.

Tank Information

Tank Diameter:

Estimates to Install

Baseline

User Input

Labor:

Materials:

Total:

Field Duration (weeks):

EFR Installation

Key Field Tasks

Field Hours to Complete

Baseline

User Input

Rig-Up:

Remove/Install Door Sheet:

Remove Existing Sealing System:

Remove Existing EFR:

Install/Remove Temp Structure:

Install Annular Pontoons:

Lay, Fit & Weld Center Deck Plates:

Install Support Legs:

Install Striker Plates:

Install Deck Manways:

Install Vacuum Breakers:

Install Center Sump:

Install Roof Drain:

Install 8-inch Stilling Well:

Install Float Well:

Install Primary & Secondary Seals:

Install Rim-Mounted Foam Dam:

Install Rolling Ladder & Track:

Air-Lift EFR & Set Legs for Operation:

Total Field Hours:

Fully-Loaded Labor Rate ($/hr):

Estimated Field Labor Costs:

Anticipated Crew Size:

Estimated Field Duration (weeks):
(Assuming 40hr/wk field schedule)

Material Information

Baseline

User Input

Item:

Deck Plates

Units of Measure (lbs):

$/UoM:

Estimated Cost:

Roof Appurtenances:

Pontoon Assembly

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

Support Leg Assembly

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

30-inch Deck Manways

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

10-inch Bleeder Vents

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

Center Sump

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

Roof Drain

Units of Measure (inches):

$/UoM:

Estimated Cost:

Roof Appurtenances:

8-inch Guide Pole & Assembly

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

20-inch Float Well

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

Rolling Ladder & Track (Galv)

Units of Measure (each):

$/UoM:

Estimated Cost:

Roof Appurtenances:

Primary & Secondary Seals (SS)

Units of Measure (lf):

$/UoM:

Estimated Cost:

Roof Appurtenances:

Rim Mounted Foam Dam (SS)

Units of Measure (lf):

$/UoM:

Estimated Cost:

Estimated Material Costs:

Fabrication ($):

Engineering ($):

Total:

* The following information is provided for screening and feasibility estimating only. Virtual Tank Solutions does not warrant the information provided will meet your requirements or that the operation of this spreadsheet will be error free. Virtual Tank Solutions disclaims liability for any and all losses or damages, including consequential damages, arising from the use of this information.