B09_Water_Tank_Inspection_2021_(Full_Report)_0002.pdf
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- Solicitation number
- 140P5323R0053
About this file
This document provides details on a federal contract opportunity to repair water tanks located in the Great Smoky Mountains National Park. The solicitation number is 140P5323R0053 and is being issued by the National Park Service Southeast Region on behalf of the Department of the Interior. The opportunity involves repairs to the Tremont and Abrams water tanks located within the park. Interested parties should review the full 23MB PDF file for additional scope of work details, response requirements, and pricing information. The award date is not specified but the document provides relevant opportunity information for contractors to consider as they determine whether to respond.
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SOUTHERN
CORROSION
E N G I N E E R E D TA N K C A R E_
2021 INSPECTION REPORT
ABRAMS CREEK CAMPGROUND
GROUND STORAGE TANK
GREAT SMOKEY MOUNTAINS NATIONAL PARK, TN
Inspected by:
SOUTHERN CORROSION INC.
738 Thelma Rd
Roanoke Rapids, NC 27870 1-800-828-0876
Fax: 252-535-3215
INSPECTION REPORT
Customer: Great Smokey Mountains National Park, TN Inspection Date: February 16, 2021
Tank Information:
Site Name: Abrams Creek Campground
PWSID #: 0001261
Capacity: 12,000 Gallons Tank Builder: Unknown Date Built: Unknown Tank Contruction: Steel Tank Style: Standpipe Diameter: 1O' Height: 20'
Sanitary and Security:
The tank is enclosed inside a locked chain linked fence.
The ladder is not equipped with a climb prevention device(ladder gate).
The roof manway was secured with several bolts.
The overflow pipe has proper screening that covers all openings.
There was no apparent vent located on the roof, all roof penetrations were covered with plugs.
Exterior
Foundation:
The foundation appears to be in good condition with no detrimental gouges or cracks.
Base Plate:
The base plate is generally covered in mildew and debris but the coatings are in good condition with less than 1% adhesion failure and surface corrosion observed.
Shell walls:
The shell walls are generally chalking, fading, and covered in mildew, but otherwise less than 1% corrosion was observed. One section on the lower portion of the walls was observed with the top coat having dimished and the under coat was showing. Dry film thickness readings averaged 2.5 mils.
The shell wall is equipped with a bolted manway to gain access to the interior. The manway is in good condition and no leaks were observed.
The overflow pipe stubs out of the shell wall at the high water level and then elbows down and goes below grade.
Exterior Ladder:
The exterior ladder is in good conditon with less than 2% corrosion observed. The ladder is not equipped with a climb prevention device or a safety climb device.
Roof:
The roof coatings are generally chalking and fading with 40% of the surfaces having dimished enough to where the undercoat is starting to be visible. Otherwise the coatings are still protecting the steel with less than 5% corrosion observed.
The roof is equipped with a 18" diameter bolted roof manway. Only a few bolts are currently installed securing the manway.
The roof is also euipped with several threaded roof penetrations that are currently covered with plugs.
INTERIOR
The roof coatings are in poor conditon with 75% adehsion failure, surface corrosion, and rust bleeding observed.
Shell Walls:
The shell wall coatings are in poor condition with 60% adheison failure, surface corrosion, and rust bleeding observed. Large sections of coatings are peeling and/or blistering on the top portion of the walls.
Floor:
The floor is generally covered in a light film of sediment, but the coatings that could be seen appeared to be in good condtion with less than 2% corrsoion observed.
Tank site and fence
Overflow Pipe and Shell Walls
Shell Wall Manway
Overflow Screen
Ladder Shell Walls
Tank Mount
Ladder Connection to Wall
Tank Base
Shell Walls with Corrosion and Top Coat Failing
Roof with Rust Staining Roof with Rust Staining
I.
p
Shell Walls near Roof Shell Walls near Roof
-v \'\ J ll I • .,.
j .... .. •
Roof Opening Roof with Ruc;t Staining
Interior Walls with Corrosion and Paint Blistering and Peeling Interior Walls with Corrosion and Paint Blistering
Interior Walls with Corrosion and Paint Blistering
Interior Corrosion on Walls
Interior Walls with Corrosion and Paint Blistering
Interior Corrosion on Walls Interior Corrosion on Walls
Interior Floor and Wall Connection
Interior Floor with Zip Ties on Floor
Interior Wall with Pipe near Floor Interior Floor
Interior Roof with Corrosion Interior Roof with Corrosion
-- . SOUTHERN
ENGINEERED TANK CARE
2021 INSPECTION REPORT
TREMONT GROUND STORAGE TANK
GREAT SMOKEY MOUNTAINS NATIONAL PARK, TN
Inspected by:
, J 738 Thelma Rd Roanoke Rapids, NC 27870
1-800-828-0876 Fax: 252-535-3215
INSPECTION REPORT
Customer: Great Smokey Mountains National Park, TN Inspection Date: February 16, 2021
Tank Information:
Site Name: Tremont
PWSID #: 0001271
Capacity: 30,000 Gallons Tank Builder: Chicago Bridge & Iron Date Built: 1965 Tank Contruction: Steel Tank Style: Standpipe Diameter: 15' Height: 24'
Sanitary and Security:
The tank is enclosed inside a locked chain linked fence, however during the inspection the fence had significant damage from a fallen tree.
The ladder is not equipped with a climb prevention device(ladder gate).
The roof hatch was closed; with a locking device installed. A conduit connector has come loose from around the roof hatch opening exposing a hole that could allow bugs and insects to enter.
The tank appears to have 2 overflow pipes. One pipe had proper screening, and one pipe had damaged screening.
The roof vent has screening covering all openings, but would recommend to install a finer mess screening over the existing screen to prevent smaller bugs and insects from entering.
Exterior
Foundations:
The foundation could not be observed during the inspection due to a steel shroud surrouding it and heavy debris on the top of the foundation.
Base Plates:
A portion of the base plates are also covered in heavy debris and vegitation growth. The parts that were observed generally have fair adhesion with 30% surfaces corrosion observed. Some edges were observed with minor steel loss.
Shell walls:
The shell walls are generally covered in heavy mildew. Surface corrosion is limited to less than 1% of the surfaces, but intercoat adhesion failure is present with 25% of the topcoat peeling. Dry film thickness readings averaged 5.9 Mils.
The lower portion of the shell wall is equipped with a bolted manway. The manway was in good conditon and no leaks were observed.
Exterior Ladder:
The exterior ladder begins approxitmately 1Oft above grade and extends to the top of the shell wall. The ladder is well secured with standoffs and bolts. The ladder is not equipped with a climb prevention device or a safety climb device. The ladder is in good condition with less than 1% surface corrosion and 5% top coat failure observed.
Water Level Indicator:
The water level gauge appeared to be functioning properly during the inspection.
The roof coatings are generally covered in mildew and debris, but otherwise in good condition with less than 1% adhesion failure and surface corrosion observed. One area of top peeling was also observed.
The roof is equipped with a 6" diameter center roof vent and utilizes perforated steel as screening. Heavy corrosion and some steel loss is present where the vent stack meets the perforated steel, along with heavy rust staining and corrosion observed on the screening.
The roof is also equipped with a 24" square roof hatch that functioned properly during the inspection. The lip around the roof manway is equipped with a conduit connector that is currently not properly connected exposing a hole.
INTERIOR
The roof coatings are generally in poor condition with flash rusting observed throughout and several large areas of paint peeling. Overall 50% adehsion failure and surface corrosion was observed. Dry film thickness readings averaged 7.5 mils.
Roof Beams:
The roof beams appear to be in good structual conditon and well secured to the tank.
Adhesion failure, surface corrosion, and rust bleed is present on the majority of the beam edges.
Overflow PiRe:
The interior overflow pipe appears to be well secured to the tank. 30% adhesion failure and surface corrosion was observed.
Shell Walls:
The shell wall coatings are generally in fair condition with 25% adhesion failure and surface corrosion observed randomly throughout.
The interior is equipped with an shell wall ladder that appears to be in good sctructual conditon and well secured to the tank. 15% adhesion failure and surface corrosion is present with a majority of the corrosion being seen on the top 4-5ft of the ladder that is above water.
Floor:
The floor is generally covered in a light film of sediment, but the coatings that could be seen appeared to be in good condtion. Various dead lady bugs, lizards, and other insects were observed on the floor.
Tank site and fence
Overflow Pipe Screen
Shell Wall Manway
Overflow/Drain Termination with missing Screen
Ladder Shell Wall Manway
Water Level Indicator
Tank Base with Top Coat Peeling
Water Level Indicator
Shell Walls with Top Coat Peeling
Tank Base Tank Base with Top Coat Peeling
Shell Walls near Roof
Shell Walls near Roof
Shell Wall to Roof Connection Ladder
Roof Hatch
Roof Vent
Roof
Roof Vent Screening
Roof Roof
Interior Ladder with Corrosion and Rust Stain
Interior
Interior with Widespread Corrosion
Interior Wall and Pipe with Corrosion
Corrosion on Roof Beam Corrosion on Roof and Roof Beams
Corrosion on Ladder
Spot Corrosion on Shell Wall
Interior Floor and Pipe
Interior Float
'I
Interior near Floor with Pipe Interior Floor
Interior Floor with debris and insects present
Interior Floor with insect and animal remains
Shell Wall Manway from the Interior
Interior Floor with insects and debris
File details come from the government source that posted it. Updated .