, f ! I Liquid Engineering Corporation Steel Potable Water Reservoir Immediate Needs Assessment Job Number; 42427 Utility: EVERGREEN WATER AND SEWER Tank: NORTON inspector: C. FROMM Dive Controller: J. ROBERTS Date: 7/S/2012 1. Health and Safety Items □ Safety Climb System Installation: RECOMENDED □ Vent Screen Repairs: NOT RECOMENDED 2. Testing Items □ Dye Testing for Leak Evaluation: NOT Performed 0 Presence of Lead Test (Interior/Exterior): INTERIOR None Detected, EXTERIOR LEAD DETECTED 3. Destructive Testing Items □ % of Lead Test (Interior/Exterior) (Coating samples are removed for laboratory analysis) N/A □ Coating Adhesion Test (Interior/Exterior): N/A Specific written authorization required to perform destructive testing. Destructive tests include touch-up of coating system. 4. Repair Items 0 Epoxy Coating Repairs: RECOMENDED BEFORE OR JUST AFTER PUTTING TANK ONLINE □ Temporary Leak Repairs: None Needed □ Float Operated Level Indicator Repairs / Maintenance: N/A □ Hypalon Repairs: N/A 5. Security Related Items (Criticalsecurity upgrade information is immediately available) 0 Tank vents are not equipped with a security vent shroud: 0 Tank hatches are not equipped with a security hatch locking device: □ Tank perimeter not adequately secured: The above mentioned additional work is considered immediately necessary and is recommended to be completed. Some items may be completed in conjunction with work currently being performed while the crew is on site. Reservoir Inspection Condition Supplemental Clean and Inspect Every Three Years Security Items Mentioned Above RECOMEND REMOVING SEDIMENT BEFORE PUTTING TANK BACK ONLINE. DISCLAIMER Uquid Engneering does not provide consulting engineering services. Unless otherwise noted, the findings contained in tiris report were neither prepared nor reviewed by a licensed Professional En^neer, but are based on experience, training and visual examination of the Dive Maintenance Tedmidan OCopyright 1998 - 2009 Uquid Engineering Corporation - All rights reserved
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% of Lead Test (Interior/Exterior) (Coating samples are ... · .; 'ANSI/AWWA'M42 piiiPliiii SSPC Legend NACE Legend AWS Legend Grade DescriptionGrade Grade De^qription 10 No Rustirtg,
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Liquid Engineering Corporation
Steel Potable Water Reservoir Immediate Needs Assessment
Job Number; 42427 Utility: EVERGREEN WATER AND SEWER Tank: NORTON
inspector: C. FROMM Dive Controller: J. ROBERTS Date: 7/S/2012
1. Health and Safety Items□ Safety Climb System Installation: RECOMENDED□ Vent Screen Repairs: NOT RECOMENDED
2. Testing Items□ Dye Testing for Leak Evaluation: NOT Performed0 Presence of Lead Test (Interior/Exterior): INTERIOR None Detected, EXTERIOR LEAD DETECTED
3. Destructive Testing Items□ % of Lead Test (Interior/Exterior) (Coating samples are removed for laboratory analysis) N/A□ Coating Adhesion Test (Interior/Exterior): N/A
Specific written authorization required to perform destructive testing. Destructive tests include touch-up of coating system.
4. Repair Items0 Epoxy Coating Repairs: RECOMENDED BEFORE OR JUST AFTER PUTTING TANK ONLINE□ Temporary Leak Repairs: None Needed□ Float Operated Level Indicator Repairs / Maintenance: N/A□ Hypalon Repairs: N/A
5. Security Related Items (Criticalsecurity upgrade information is immediately available)0 Tank vents are not equipped with a security vent shroud:0 Tank hatches are not equipped with a security hatch locking device:□ Tank perimeter not adequately secured:
The above mentioned additional work is considered immediately necessary and is recommended to be completed. Some items may be completedin conjunction with work currently being performed while the crew is on site.
Reservoir Inspection Condition SupplementalClean and Inspect Every Three Years
Security Items Mentioned Above
RECOMEND REMOVING SEDIMENT BEFORE PUTTING TANK BACK ONLINE.
DISCLAIMERUquid Engneering does not provide consulting engineering services. Unless otherwise noted, the findings contained in tiris report were neither prepared nor reviewed by a licensed
Professional En^neer, but are based on experience, training and visual examination of the Dive Maintenance TedmidanOCopyright 1998 - 2009 Uquid Engineering Corporation - All rights reserved
Liquid Engineering Corporation
Steel Potable Water Reservoir Inspection Report
Job Number 42427
Inspector: C. FROMM
Utility: EVERGREEN WATER AND SEWER
Dive Controller: J. ROBERTS
Tank: HORTON
Date: 7/5/2012
I I- ^1 i imi. ; 'ANSI/AWWA'M42
piiiPliiii
SSPC Legend NACE Legend AWS LegendGrade Description Grade Description Grade De^qription10 No Rustirtg, or <0.01% of surface is rusted A None L Satisfactory9 Minor rusting, or <0.03% of surface is rusted B Uniform Surface Corrosion. M Spatter8 Isolated rust, <.01% of surface Is rusted C Pitting N Porosity7 Isolated rust, <.03% of surface is rusted D Concentration Cell Corrosion 0 Convexity / Concavity6 Extensive rusting, <1% of surface is rusted E Galvanic Corrosion P Cracks
5 Approximately 3% of the surface is rusted F Stress Corrosion Cracking Q Inciusicns
4 Approximately 10% of the surface is rusted G Erosion Corrosion R Incomplete Fusion3 Approximately 17% of the surface is rusted H Intergranular Corrosion S Incomplete Penetration2 Approximately 33% of the surface is rusted 1 Dealloying T Undercut
1 Approximately 50% of the surface Is rusted U Underfill
0 Approximately 100% of the surface is rusted V
w
Overlap
Unable to evaluate
i !
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M QUAbRANrr.. . 1 QUADRANT 2 1 1 V - QUADRANT | QUADRANT 4
INTERIOR RESERVOIR ROOF
SSPGfi; NACE.?>,; AWSi
ENACENACE !g|gS5PGSiS|S;NAGEipAWSIl^
L Imiwat4n>S8t,aMWMrit
Vents
Roof Panels
Roof Support
Roof Gussets
Painting Ring
Overall Coating Rating Good Average Blister Diameter NONE Average Pit Depth NONE
Overall Coating Rating Good Average Blister Diameter NONE Average Pit Depth NONE
Coating Deficiencies: BlisteringQ DelaminationQ ChalkingQ Checking Q CrackingQ Growth I I Pinholesn Staining [3 Sags/Runs I 1
DISCLAIMER
Liquid Engineering does not provide consulrirtg engineering services. Unless otherwise noted, the findings contained in this report were neither prepared nor reviewed by a licensedProfessional Engineer, but are based on experience, training and visual examination of the Dive Maintenance Technician
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Overall Coating Rating — Average Blister Diameter Average Pit DepthCoating Deficiencies: Blistering^ DelaminationI I Chalking^ Checking Q CrackingQ Growth I I PinholesQ StainingQ Sags/Runsi
INTERIOR RESERVOIR PLUMBING COMPONENTS
Inlet Plumbing
Outlet Plumbing
Manways
Floor Drains
Interior Overflow
NACE • AWS
LflSiSSPCm- NACE ri:»:AWS« NACENACE
mm
EXTERIOR RESERVOIR ROOF
Vents
Roof Panels
Access Hatches
SSPC NACE^r AWS^-^
ItKaieraSosf 1 wwasdraca'ssaiJF/ w - [
■ |9 -" "--v Jj^B ̂ -"iiLj J*- 'jr
SSPC NACE AWS.—
'SSPC=iV-? NACEr^ii'jf AWSwi-.. SSPC NACE AWSr—r '! "" "If"'; i
i-N/A j4n/A HWA rIg "(b ]fr n■fi/A HN/A iIn/A
|N/A^f7N/A0.-.' jN/A j
^ 1■ |nM—i-
•N/A rtW/A—ri—^ir—1N/A HW r
Overall Coating Rating Good Average Blister Diameter NONE Average Pit Depth NONECoating Deficiencies: Blistering^ OelaminationQ ChalkingQ Checking Q CrackingQ Growth j | PinholesQ Staining Sags/Runs | |
DISCLAIMERLiquid Engineering does not provide consulting engineering services. Unless otherwise noted, the findings contained in this report were neither prepared nor reviewed by a licensed
Professional Engineer, but are based on experience, training and visual examination of the Dive Maintenance TechnicianOCopyright 1998 • 2009 Liquid Engineering Corporation - Ail rights reserved
It i
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Liquid Engineering Corporation
Potable Water Reservoir Contamination, Health and Safety Report
Condition: Good #: 1 Offset Landing: No Height: 47Present: None -Vandal-Guatd Lucked: —^
Condition; Good Missing/Damaged Rungs: NoSpacing: 11 in. (max 12") Toe Depth: 8 in. (min 7")Width: 2 in. (min 2") Thickness: 3/8 \n. (min 1/4") Rail to Rail: 13.5 \r\.(min 16")
Wall: 1 Leg: Roof: Riser Pipe: Other:WELDED STEEL
Type: Round
Type: Bolted
Wall: 1
#: 1
Condition: Good
Roof: Riser Pipe:
Type: Round #; l
Hatch: 4 in, (min 4") Lid: 3
n
Condition:
Condition: —
Condition: —
Width
Height:
Size: 24 inches (24" - 18'x22" min)
Other:
Size: 23" in. (24"-24"xl5" min)
in. (min 2")
in. (min 42") No. Rails:
Roof
Safety Tie-Off Points
Antennas
Condition: Good
Type: Transmitting#: 1+
#: 1
DISCLAIMERLiquid Engineering does not provide consulting engineering services. Unless otherwise noted, the findings contained in this report were neither prepared nor reviewed by a licensedProfesstonal Engineer, but are based on experience, training and visual examination of the Dive Maintenance Technician
Circular Tank Diagram / Information Worksheetutility Name EVERGREEN Vi/ATER AND SEWER Tank Name NORTON
Quadrant 2 Quadrant 3 Quadrant 4
-STAINING
•MINOR CONCENTRATlbN CELLS
-UNIFORM SURFACE CPRROSION
-BLISTERS, BROKEN BISTERS
->
ROOF Testing and Discrepancy Locations FLOOR
-STAINING
-UNIFORM SURFACE CORROSION
SKIFF
SKIFF /
SKIFF
SKIFF^X
\ \ SKIFF\ SKIFF \
\/ SKIFF
SKIFF / 1/ SKIFF /
SKIFF
Sediment Depth MeasurementsAverage Sediment Depth = The sum of ail measurements taken, "divided by the number of measurements taken
Avg. Depth SKIFF Cubic Yardage Sediment Type SAND
Plumbing & Structure locationPlumbing and structure codes
0=0utlet X=lnlet Z=Manway
V=Vent D=Drain S=Sump
L=Ladder H=Hatch P=Overflow
F=Float Level Indicator
T=Telemetry
Column Placement
Type of Column o □ IBase Structure LJ I
Top Structure n V IColumn Construction
DISOAIMERLiquid Engineering does not provide consulting engineering services. Unless otherwise noted, the findings contained in this report were neither prepared rror reviewed by a licensed
Professional Engineer, but are based on experience, training arv) visual examination of the Dive Maintenance TechnicianOCopyright 19^ • 2009 Uquid Engineering Corporation-AH rights reserved
Liquid Engineering Corporation
Circular Tank Diagram / NOT □ OFT \7] Coating Adhesionn Presence of lead □Job Number 42427 Utility Name EVERGREEN WATER AND SEWER
Quadrant 1
Tank Name MORTON
Quadrant 4
Coating Color SILVER
■
OxO o o o o o oROOF Testing and Discrepancy Locations BOWL
X X
Roof Color SILVER Bowl Co or
Pedesta Co or
Hydropillar Base Hydropil
■OOlSOAiMER
Uquid Engineering does not provide consuldng engineering services. Uniess otherwise noted, the findings contained in this report were neither prepared nor reviewed by a licensedProfessional Engineer, but are based on experience, training and visual examination of the Dive Maintenance Technician
OCopyrtght 1938 - 2009 Uquid Engineering Corporation - All rights reserved