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YATES TANK INSPECTION SERVICES P.O. Box 505
PRINCETON, KY. 42445
(270) 625-4898 CELL
2019 VISUAL INSPECTION REPORT
200,000 GALLON ELEVATED STORAGE
LOCATED AT DOWNTOWN TANK SITE
WAS INSPECTED FOR
CITY OF ALGOOD UTILITY DISTRICT
ON TUESDAY JUNE 11, 2019
2
YATES TANK INSPECTION
P.O. Box 505 Princeton, KY. 42445 PH. (270)625-4898 FX. (270)365-2123
INTRODUCTION:
WE ARE AN EVALUATION FIRM THAT SPECIALIZES IN PROFESSIONAL
UNDERWATER TANK INSPECTIONS.
WE PERFORMED VISUAL TANK INSPECTED ON 06-11-2019 IN A CLEAN AND
SANITARY MANNER.
WE HAVE PROVIDED A COMPLETE AND DETAILED REPORT OF THE
FOLLOWING SANITARY CONDITIONS, STRUCTURAL INTEGRITY,
FOUNDATION, COATING AND SURFACE CONDITIONS, SAFETY AND SECURITY
REQUIREMENTS ACCORDING TO THE FOLLOWING AGENCIES.
• (AWWA) AMERICAN WATER WORKS ASSOCIATION
• (ANSI) AMERICAN NATIONAL STANDARDS INSTITUTE
• (OSHA) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION
• (EPA) ENVIRO PROTECTION AGENCIES
• (NSF) NATIONAL SANITATION FOUNDATION
• (NFPA) NATIONAL FIRE PROTECTION ASSOCIATION
• (NACE) NATIONAL ASSOCIATION OF CORROSION ENGINEERS
• (SSPC) STEEL STRUCTURES PAINTING COUNCIL
• FACTORY MUTUAL
• STATE AND FEDERAL STANDARDS
THE REPORT REPRESENTS THE OPINIONS OF YATES TANK INSPECTION.
BECAUSE WE REMAIN INDEPENDENT OF PAINTING AND FABRICATION YOU
CAN BE ASSURED OF AN UNBIASED INSPECTION. WHILE EVERY PRECAUTION
WAS TAKEN TO INSURE THAT ALL INFORMATION GATHERED AND
PRESENTED IS ACCURATE, COMPLETE AND TECHNICALLY CORRECT, IT IS
BASED ON THE INFORMATION, DATA, TIME, MATERIAL, ETC. SUPPLIED TO US
DURING THE INSPECTION.
3
YATES TANK INSPECTION
TECHNICAL SPECIFICATIONS:
INSPECTOR’S NAME: DARRIN YATES
UTILITY: CITY OF ALGOOD
OWNER’S REPRESENTATIVE:
MATTHEW R. TUCKER
TITLE: ENGINEER
FIRM: JAMES C. HAILEY & CO.
ADDRESS: 1619 GALLERIA
BRENTWOOD, TN. 37027
OFFICE: (615) 883-4933
CELL: (731) 697-3290
LOCATION OF TANK:
310 W. MAIN ST. COOKEVILLE, TN. 38506
IS TANK BELOW THE NORMAL DAILY MINIMUM 30 DEGREE ISOTHERMAL
LINE: NO
RECOMMENDED DEPTH OF SOIL COVERING OVER A WATER PIPE FOR THIS
LOCATION: 36 INCHES
TANK HAS HYDRANT TO FLUSH OR DRAIN THE STORAGE FACILITY WHILE IT
IS ISOLATED FROM THE SYSTEM. YES
4
TANK SPECIFICATIONS:
TYPE OF TANK:
GROUND __STANDPIPE X MULTI-LEGGED SINGLE PEDESTAL HYDRO PILLAR
__SINGLE PEDESTAL COMPOSITE __ PRE-STRESSED CONCRETE GROUND
TYPE OF MATERIAL:
X STEEL __CONCRETE __GLASS COATING __STAINLESS __OTHER
X WELDED __BOLTED __RIVETED
TANK MEASUREMENTS:
TANK MEASURES APPROXIMATELY 132’ +OR - IN HEIGHT
HEIGHT OF THE AREA ABOVE OVERFLOW TO VENT IS 6’-0”
TANK CAPACITY IS 200,000 GALLONS
TANK HIGH WATER LEVEL IS 126’-0” IN HEIGHT
TANK LOW WATER LEVEL IS 100’-0” (THE HEIGHT OF RISER PIPE)
TANK IS USED FOR:
__FIRE PROTECTION X POTABLE __WASTE __PROCESSING __WAX __FLOUR
__GRAIN __PLASTIC __CHEMICAL __FUEL __GAS __OIL
ORIGINAL MANUFACTURER: BROWN STEEL CONTR’S, INC.
YEAR BUILT: 1962 S/N: NOT ON TAG
TYPE OF FOUNDATION:
X CONCRETE __CONCRETE SLAB __BUILT WITHIN RING WALL
SUPPORTED ON GRAVEL BERMS __ON GRAVEL WITH STEEL RINGS
CONCRETE PIERS __CONCRETE CRADLES __STEEL CRADLES
TYPE OF ROOF:
X SELF SUPPORTED __SUPPORTED ROOF
X DOME __ELLIPSOIDAL __CONE __FLAT __KNUCKLE __CONE
IF ELEVATED WHAT TYPE OF COLUMNS: ROUND HOW MANY COLUMNS: 06
OVERALL HEIGHT OF BOWL AREA: 32’-0” DIAMETER: 39’-0”
OVERALL HEIGHT OF RISER: 100’-0” DIAMETER OF RISER: 48”
5
SECURITY AND SAFETY:
DOES TANK SITE HAVE “NO TRESPASSING” SIGNS POSTED? YES
TANK IS LOCATED AT 310 W. MAIN ST.
DOES TANK SITE HAVE A FENCE COMPLETELY AROUND IT? YES
IF YES, DOES IT APPEAR TO BE IN GOOD CONDITION? YES
DOES EXTERIOR LADDER HAVE A GUARD TO PREVENT ENTRY? NO
WERE ALL GATES, GUARDS, AND HATCHES LOCKED AT THIS TIME? YES
WAS THERE EVIDENCE OF VANDALISM AT TANK SITE? NO
ELECTRICAL:
DOES TANK HAVE LIGHTNING PROTECTION? NO
DOES TANK SITE HAVE ELECTRICAL OUTLETS? NO
DOES TANK HAVE ANTENNAS, WIRING OR OTHER OBSTRUCTIONS IN THE PATH
OF THE LADDER? YES
6
CONDITION OF FOUNDATION:
THE FOLLOWING ARE AWWA 12.6.1 AND 12.9 REQUIREMENTS
DOES AREA SURROUNDING FOUNDATION HAVE POSITIVE DRAINAGE? YES
DOES FOUNDATION HAVE ANY INDICATIONS OF SETTLING? NO
IS THERE INDICATION OF EROSION AROUND FOUNDATION DUE TO OVERFLOW
PIPE NOT BEING CONTINUED TO THE GRADE AND OVER A SPLASH-PAD? NO
DOES FOUNDATION EXTEND A MINIMUM OF SIX INCHES ABOVE EXISTING
GRADE AS REQUIRED BY AWWA? NO
IS THERE EVIDENCE OF CHIPPING, CRACKING, OR DETERIORATION IN
FOUNDATION THAT NEEDS TO BE REPAIRED? NO
ARE VOIDS BETWEEN BASE PLATES AND FOUNDATIONS SEALED? NO
9
RISER MAN-WAY:
DOES TANK HAVE A MAN-WAY IN THE RISER FOR EMERGENCY CONDITIONS?
YES REQUIRED BY OSHA 1910.36, 1910.37, NFPA-22 SECTION 11.6.2 AND AWWA.
DOES MAN-WAY COVER WEIGH OVER 50 LBS? YES
IS EACH COVER SUPPORTED WITH HINGES OR DAVIT ARM? YES
IS A “CONFINED SPACE” SIGN POSTED AT EACH ENTRY POINT? NO REQUIRED BY OSHA 1910.146 (C) (2).
DOES ANY MAN-WAY SHOW EVIDENCE OF PAST OR PRESENT LEAKS? NO
IS MAN-WAY OPENING A MINIMUM OF 24 INCHES IN DIAMETER? NO
WHAT IS THE DIAMETER OF THE MAN-WAY? 20”
DOES THE MAN-WAY HAVE ANY LEAKS? NO
10
RISER MAN-WAY CONTINUED:
IS MAN-WAY DOOR COVER DESIGNED TO WITHSTAND THE WEIGHT AND
PRESSURE OF TANKS CONTENTS? YES
IS EACH MAN-WAY EQUIPPED WITH BOLTS THAT ARE NON-CORROSIVE OR
PAINTED TO PREVENT METAL LOSS? YES
DO THE THREADS PROTRUDE THROUGH NUTS? YES
DO ALL BOLTS APPEAR TO BE TIGHT? YES
DOES THE FLANGE APPEAR TO BE STRAIGHT? YES
11
RISER PIPE:
DIAMETER OF RISER IS: 48”
HEIGHT OF RISER IS: 100’-0”
WHAT IS THE ULTRASONIC THICKNESS OF RISER PIPE? .235 TO .255
DOES RISER HAVE ANY EVIDENCE OF METAL LOSS? YES
IS THE RISER PIPE STRAIGHT? YES
ARE THERE SIGNS OF LEAKS IN THE RISER PIPE? NO
RISER HAS HOW MANY ANCHOR BOLTS: FOUR
ARE THERE ANY DENTS OR BULGES IN SURFACE OF RISER PIPE? NO
12
WATER LEVEL GAUGE: THE FOLLOWING ARE NFPA 22, SECTION 11-1. 11 REQUIREMENTS
TANK HAS A WATER LEVEL GAUGE THAT READS IN FEET
DOES GAUGE APPEAR TO BE ACCURATE? NO
CONDITION GAUGE APPEARS TO BE IN: NO LONGER WORKING
TYPE OF GAUGE: FLOAT CABLE TYPE
13
WATER LEVEL GAUGE CONTINUED:
WAS THE FLOAT BUILT WITH NON-CORROSIVE MATERIAL TO PREVENT METAL
LOSS? NO, HAS SUFFERED METAL LOSS AND HAS SUNK
ARE THE CABLES ATTACHED TO THE FLOAT NON-CORROSIVE? NO
ARE ALL HARDWARE AND CABLE CLAMPS USED ON INTERIOR MADE OF NON-
CORROSIVE MATERIAL? NO
IF EQUIPPED WITH PULLEYS DO THEY MOVE FREELY TO ALLOW GAUGE TO
READ ACCURATELY? NO IS TRACK FOR GAUGE SEALED TO PREVENT ENTRY OF DUST, INSECTS, ETC.? NO,
AS SEEN IN PHOTO BELOW
14
OVERFLOW PIPE:
THE FOLLOWING ARE AWWA, NFPA, AND STATE DIVISION OF WATER REQUIREMENTS.
IS OVERFLOW SECURED TO EXTERIOR EVERY 10 FEET? YES
IS THE TOP OF OVERFLOW DESIGNED TO PREVENT WHIRLPOOLING? YES
IS THERE ANY EVIDENCE OF LEAKS IN THE OVERFLOW? NO
IS INTERIOR PART OF OVERFLOW CONSTRUCTED OF NON-CORROSIVE MATERIAL
OR PAINTED TO PREVENT METAL LOSS? NO
IF COATING IS DAMAGED HAS METAL LOSS OCCURRED? YES
IF EQUIPPED WITH FLANGES ON THE INTERIOR IS THE HARDWARE
CONSTRUCTED OF NON-CORROSIVE MATERIAL? N/A
ARE THE STAND OFF BRACKETS THAT SECURE OVERFLOW TO SHELL
CONSTRUCTED OF NON-CORROSIVE MATERIAL OR PAINTED? YES
15
OVERFLOW PIPE CONTINUED:
STATE DIAMETER OF OVERFLOW PIPE: 4 INCHES
DOES PIPE APPEAR TO BE SIZED TO CARRY MORE THAN THE LARGEST FILLING
RATE? NO
DOES TANK HAVE AN OVERFLOW PIPE THAT DISCHARGES AT AN ELEVATION NO
HIGHER THAN 24 INCHES ABOVE THE GRADE? NO
IS OVERFLOW EQUIPPED WITH AN EPA APPROVED FLAPPER VALVE? NO
DOES THE FLAPPER MOVE FREELY TO PREVENT A BLOCKAGE? N/A
IS THE FLAPPER DESIGNED TO CLOSE WHEN NOT IN USE? N/A
IS OVERFLOW EQUIPPED WITH A SPLASH-PAD? NO
WHAT TYPE OF MATERIAL WAS USED TO CONSTRUCT SPLASH PAD? N/A
IS THERE ANY EVIDENCE OF EROSION AROUND OVERFLOW? NO
16
OVERFLOW PIPE CONTINUED:
IS OVERFLOW EQUIPPED WITH A NON-CORROSIVE MESH SCREEN? YES
WHAT IS THE CONDITION OF SCREEN? FAIR
DOES IT APPEAR THAT SCREEN CAN WITHSTAND THE FORCE OF WATER WHEN
TANK IS OVERFLOWING? YES
IS THE PIPE DESIGNED WITH A BOLT ON FLANGE TO SECURE SCREEN TO
PREVENT IT FROM COMING LOOSE? YES
DOES IT APPEAR THAT ALL BOLTS IN THE FLANGE ARE TIGHT? YES
17
EXTERIOR LADDER: THE FOLLOWING ARE AWWA, NFPA & OSHA 29 CFR 1910 REQUIREMENTS.
DOES TANK HAVE A LADDER TO GAIN ACCESS BEGINNING AT 8 FEET (OR AS
SPECIFIED) FROM GROUND THAT EXTENDS TO THE ROOF TO BE ABLE TO
MAINTAIN TANK? YES
IS LADDER SECURED TO STRUCTURE EVERY 10 FEET? YES
DOES LADDER HAVE A FALL PREVENTION DEVICE THAT ATTACHES HARNESSES
ONTO THE LADDER? NO
WHAT TYPE OF FALL PREVENTION DEVICE? NONE
EXPLAIN CONDITION: N/A
18
EXTERIOR LADDERS CONTINUED:
WHAT IS THE WIDTH AND HEIGHT OF LADDER? 16” X 90’
IS THE DIAMETER OF EACH LADDER RUNG MORE THAN ¾ OF AN INCH? YES
ARE LADDER RUNGS COMPLETELY WELDED TO SIDE RAILS? YES
ARE THE LADDER RUNGS 12” APART TO ALLOW FOR SAFE PASSAGE? YES
DOES THE LADDER HAVE A MINIMUM OF 8” BETWEEN BOTH SHELL AND LADDER
TO ALLOW CLEARANCE FOR FEET WHEN CLIMBING? YES
ARE STAND OFF BRACKETS SECURED TO BOTH LADDER AND SHELL? YES
19
ARE THE WING PLATES COMPLETELY WELDED TO THE SUPPORT
COLUMNS? YES
ARE THE STRUTS COMPLETELY WELDED TO THE WING PLATES TO
PREVENT SEPARATION WHERE THEY CONNECT? NO
WERE THERE ANY SIGNS OF SEPARATION BETWEEN PLATES AND
STRUTS? NO
ARE THERE ANY SIGNS OF METAL LOSS IN THIS AREA? NO
WERE THERE ANY WING PLATES BENT? NO
EXPLAIN CONDITION OF WING PLATES AND STRUTS: GOOD
20
ARE ALL CONNECTION POINTS PAINTED? YES
DOES IT APPEAR THAT ALL PINS IN TURNBUCKLE ARE TIGHT AND
NOT MISSING ANY HARDWARE? YES
ARE THE TURNBUCKLES STRAIGHT? YES
ARE THEY FREE OF METAL LOSS? YES
WERE ALL BOLTS ON PINS TIGHT AND TACK WELDED TO PREVENT
THEM FROM COMING LOOSE IN HI WINDS OR SEISMIC ACTIVITY? NO
21
HOW MANY WIND-AGE RODS? 36
HOW MANY RISER RODS? 12
WERE THE COLUMNS STRAIGHT? YES
WERE THERE ANY SIGNS OF DENTS OR CRACKS IN THE COLUMNS?
NO
DO ALL RODS APPEAR TO BE IN GOOD ADJUSTMENT? YES
WERE THERE ANY SIGNS OF BENDS IN THE WIND-AGE RODS? NO
WERE THERE ANY SIGNS OF DAMAGES IN THE UNDER STRUCTURE?
NO
22
HANDRAIL AND BALCONIES: THE FOLLOWING ARE OSHA 1926.501, 1910.23, AWWA AND NFPA 22 SECTION 10-7 REQUIREMENTS.
DOES THE CATWALK HAVE HANDRAIL FOR FALL PROTECTION? YES
DOES THE HANDRAIL HAVE A FOUR INCH TOE PLATE? YES
DOES THE HANDRAIL HAVE A MID RAIL? YES
IS COATING ON FLOOR OF CATWALK PROTECTING THE SURFACE? YES
DOES THE CATWALK HAVE DRAIN HOLES IN THE FLOOR? YES
IS WATER PONDING ON CATWALK FLOOR? NO
23
HANDRAIL CONTINUED:
IS LADDER OPENING GUARDED BY AN OSHA APPROVED SAFETY GATE FOR FALL
PROTECTION? NO
IS PATH OF CATWALK FREE OF OBSTRUCTIONS? NO
WHAT TYPE OF MATERIAL IS THE HANDRAIL CONSTRUCTED OF? STEEL
STATE HEIGHT OF HANDRAIL: 36 INCHES
IS THE CATWALK FULLY WELDED TO SHELL OF TANK? YES
24
EXTERIOR ROOF LADDER:
DOES ROOF LADDER HAVE A FALL PREVENTION DEVICE THAT ATTACHES
HARNESSES ONTO THE LADDER? NO
IF YES, WHAT IS ITS’ CONDITION? N/A
WHAT TYPE OF FALL PREVENTION DEVICE DOES LADDER HAVE? N/A
IS LADDER WELDED EVERY 10 FEET? NO
DOES ROOF LADDER APPEAR TO BE IN GOOD CONDITION? YES
IS LADDER AN OSHA APPROVED DESIGN? YES
IS PATH OF LADDER FREE OF OBSTRUCTIONS? NO, IT’S BLOCKED BY WIRING
FOR CELL SERVICES.
26
EXTERIOR ROOF SURFACE:
IS ALGAE GROWING ON ROOF? VERY LITTLE
IS ROOF SLOPED TO WHERE THERE IS NO DRAINAGE PROBLEM? YES
DOES ROOF HAVE BULGES OR DENTS THAT MAY HAVE BEEN CAUSED BY VENT
OR OVERFLOW PIPE BEING BLOCKED DURING DAILY OPERATION? NO
ROOF IS CONSTRUCTED OF: STEEL
IS ROOF SEALED TO PREVENT ENTRY OF DUST, INSECTS, ETC.? NO
DOES ROOF SHOW SIGNS OF DETERIORATION IN THE STEEL? NO
IF ROOF IS WELDED ON EXTERIOR ARE WELDS IN GOOD CONDITION? YES
DO WELD SEAMS SHOW EVIDENCE OF LEAKS? NO
27
SANITARY CONDITIONS:
STORAGE RESERVOIRS, BOTH POTABLE AND FIRE PROTECTION, ARE DESIGNED TO BE WATER TIGHT TO
PREVENT LEAKAGE AND THE ENTRY OF DUST, SAND, INSECTS, BIRDS, BATS AND ANIMALS THAT MAY
CAUSE WATER BORN DISEASE OR CAN CAUSE BLOCKAGES IN FIRE PROTECTION SYSTEMS. REQUIRED BY
AWWA, NFPA, STATE DIVISION OF WATER AND DEPT. OF NATURAL RESOURCES.
ROOF VENT:
DOES TANK APPEAR TO HAVE ADEQUATE VENTILATION? NO
DOES VENT HAVE A SHIELD OVER ITS’ TOP AND SIDES TO PROTECT AGAINST
BIRD DROPPINGS, DUST, RAIN, ICE, ETC.? YES
IS VENT EQUIPPED WITH A #24 NON-CORRODING MESH SCREEN? YES
IS ROOF VENT WATERTIGHT TO PREVENT CONTAMINATES SUCH AS BIRD
DROPPINGS AND DIRT FROM WASHING INTO THE FACILITY BY RAIN? YES
DOES TANK HAVE A SECONDARY CENTER ROOF OPENING USED AS A MAN-WAY
AND TO SECURE VENTILATION FANS DURING PAINTING PROJECTS? NO
28
ROOF VENT CONTINUED:
DUE TO GEOGRAPHIC LOCATION IS VENT REQUIRED TO BE SHIELDED TO
PREVENT FREEZING RAIN FROM STOPPING VENTILATION? YES
DUE TO GEOGRAPHIC LOCATION DOES IT APPEAR THAT THE VENT EXTENDS
ABOVE NORMAL SNOW LEVEL WHICH COULD BLOCK VENTILATION? YES
DOES IT APPEAR THAT THE ROOF IS SLOPED ENOUGH TO PREVENT MELTING
SNOW FROM ENTERING THROUGH THE VENT? YES
IF VENT IS ALSO USED AS A MAN-WAY WAS ANY HARDWARE MISSING? NO
DOES IT APPEAR THAT ALL HARDWARE IS TIGHT? YES
WERE THERE ANY VOIDS IN OR AROUND VENT SCREEN THAT MAY ALLOW
BIRDS TO ROOST? NO
IF VENT IS BOLTED TO THE ROOF WAS A GASKET USED BETWEEN THE FLANGES
TO COMPLETELY SEAL THE CONNECTION? YES
29
ROOF HATCHES AND MAN-WAYS: THE FOLLOWING ARE AWWA, NFPA-22 SECTION 3-7 AND OSHA 1910.36 AND 37 REQUIREMENTS.
HOW MANY ROOF MAN-WAYS DOES TANK HAVE? ONE
ARE THE ROOF OPENING FRAMES CURBED 4 INCHES UPWARD AND DO THEY
HAVE 2 INCH OVERLAPPING COVERS TO PREVENT PRECIPITATION ON THE
ROOF’S SURFACE FROM DRAINING INTO THE FACILITY? YES
ARE ROOF OPENINGS A MINIMUM OF 24 INCHES IN DIAMETER? YES
DOES EACH ROOF OPENING HAVE A LOCK TO PREVENT ENTRY? YES
DOES EACH ROOF OPENING HAVE A “CONFINED SPACE” SIGN POSTED AT EACH
MAN-WAY AS REQUIRED BY OSHA 1910.146 (C) (2)? NO
30
ROOF MAN-WAYS CONTINUED:
IS EACH MAN-WAY EQUIPPED WITH BOLTS THAT ARE NON-CORROSIVE OR
PAINTED TO PREVENT METAL LOSS? N/A
IS EACH MAN-WAY EQUIPPED WITH HINGES TO SUPPORT COVER? YES
DO ALL BOLTS APPEAR TO BE TIGHT? N/A
DOES THE COVER APPEAR TO BE STRAIGHT? YES
ARE MAN-WAYS CIRCULAR OR RECTANGLE DESIGN? SQUARE
STATE THE DIAMETER OF MAN-WAY OPENING: 24”
IS THE ROOF HATCH EQUIPPED WITH A HANDLE? YES
IS ROOF OPENING GUARDED WITH FALL PROTECTION? NO
31
INTERIOR COATING:
THE INTERIOR WAS LAST PAINTED: 1962
LIFE OF COATING APPEARS TO BE: INTERIOR HAS SUFFERED METAL LOSS
DRY FILM THICKNESS OF COATING IS: 0 TO 10 MILS
COLOR IS: UNKNOWN AND HAS A FOOD WAX OVER IT
STATE COATING CONDITIONS: POOR, NEEDS TO BE REPLACED
INTERIOR COATING CONDITIONS OF STRUCTURE:
ROOF AND SHELL ABOVE WATER LEVEL: POOR
BELOW WATER: POOR
FLOOR: POOR
WAX WILL NEED TO BE REMOVED BEFORE SANDBLASTING.
32
INTERIOR SURFACE:
IS THERE EVIDENCE OF METAL LOSS SUCH AS PITS OR RUST TUBERCLES? YES
TANK IS CONSTRUCTED OF: STEEL
IS TANK SEALED TO PREVENT ENTRY OF DUST, INSECTS, ETC.? NO
33
INTERIOR ROOF:
IS INTERIOR ROOF WELDED? YES
IS UNDERSIDE OF ROOF SEAM SEALED? NO
IS TANK EQUIPPED WITH A PAINTERS RING ON SHELL? YES
IS THERE CORROSION ON UNDERSIDE OF ROOF? YES, 75% OF SURFACE
ARE THERE ANY ERECTION CLIPS OR SPIDER RODS ON THE INTERIOR THAT NEED
TO BE REMOVED DUE TO DETERIORATION? YES
ARE THERE ANY SIGNS OF NEW METAL LOSS ON THE INTERIOR ROOF? VERY
LITTLE
34
INTERIOR SURFACE CONTINUED:
DOES INTERIOR SHELL HAVE SIGNS OF CORROSION? YES
ARE THERE SIGNS OF DENTS OR THE FLOOR SAGGING? NO
IS THERE EVIDENCE THAT THE FLOOR MAY BE LEAKING? NO
IF SHELL IS WELDED WHAT IS CONDITION OF WELD SEAMS? FAIR
DOES SHELL HAVE SIGNS OF LEAKS? NO
IS THERE ANY SEDIMENT ON FLOOR? YES
DOES THE TOP OF RISER HAVE A GUARD OVER IT? NO
35
INTERIOR LADDER: THE FOLLOWING ARE AWWA, NFPA & OSHA REQUIREMENTS
DOES TANK HAVE AN INTERIOR LADDER FOR PAINT CONTRACTORS TO
MAINTAIN INTERIOR COATING? IT SHOULD NOT BE USED DUE TO METAL LOSS
HOW IS LADDER SECURED TO INTERIOR? BOLTED
36
SURFACE PREPARATION AND COATING:
ALL PAINT USED ON WATER TANKS MUST BE (ANSI/NSF) CERTIFIED FOR POTABLE WATER. ALL
SURFACES TO BE REFINISHED SHALL BE PREPARED IN ACCORDANCE WITH THE REQUIREMENTS
OF THE STEEL STRUCTURE PAINTING COUNCIL (SSPC). ALL PAINTS SHALL COMPLY WITH (ASTM)
SPECIFICATIONS AND BE DELIVERED IN SEALED CONTAINERS & LABELED BY MANUFACTURER.
EXTERIOR ROOF COATING:
ROOF WAS LAST PAINTED IN: UNKNOWN
COLOR OF TOP COAT: WHITE
DRY FILM THICKNESS OF EXTERIOR COATING IS: 0 TO 8 MILS
EXPLAIN ROOF COATING CONDITIONS: POOR, IS FLAKING OFF
37
EXTERIOR SHELL COATING:
SHELL WAS LAST PAINTED IN: UNKNOWN
COLOR OF TOP COAT: WHITE
DRY FILM THICKNESS OF EXTERIOR COATING IS: 3 TO 9 MILS
EXTERIOR COATING CONDITIONS OF STRUCTURE:
ROOF: POOR, RUSTING WHERE COATING HAS FLAKED OFF
RISER PIPE: POOR, RUSTING WHERE COATING HAS FLAKED OFF
SHELL AND BELLY: POOR, RUSTING WHERE COATING HAS FLAKED OFF
UNDER STRUCTURE: POOR, RUSTING WHERE COATING HAS FLAKED OFF
CATWALK: POOR, RUSTING WHERE COATING HAS FLAKED OFF
40
EXTERIOR SHELL SURFACE:
DOES TANK HAVE ANY GRAFFITI ON ITS SURFACE? NO
DOES SHELL SHOW SIGNS OF LEAKS? NO
STATE APPROXIMATE AMOUNT OF SEDIMENT: WAX MIXED WITH SEDIMENT
DO INLET AND OUTLET PIPES EXTEND ABOVE SEDIMENT? YES
STATE WATER LEVEL AT TIME OF INSPECTION: 90’- 0”
41
LOGO:
STATE THE CONDITION OF LOGO: HAS FADED
ARE THERE ANY LIGHTS POINTING TOWARDS LOGO? NO
HOW MANY SIDES OF TANK IS LOGO ON? ONE
METHOD USED TO APPLY LETTERING, VINYL LOGO OR COATING? COATING
42
Recommendations:
1) The exterior has surface rust due to coating flaking off. I recommend
sand blasting all to a commercial finish SSPC-SP6 or NACE 3.
43
Recommendations:
2) The 4” overflow pipe is undersized and will not discharge excess water
fast enough to prevent damage to roof. I recommend replacing using a
steel 6” pipe that will continue to ground and over a concrete splash
pad. Also, screen with flapper valve over end of pipe needs to be
installed to prevent insects and animals from entering tank.
44
Recommendations:
3) Do not use interior ladder, it is unsafe due to metal loss. Also, ladder
should have never been installed from center of roof to shell due to not
allowing climber to get on and off safely.
I recommend replacing ladder and installing a 2nd roof man-way above
ladder on shell. Ladder will need to be welded 5’ off shell wall so it will
line up with man-way.
45
Recommendations:
4) The interior coating has failed with wide spread rust and metal loss and
at some point was coated over top of with food wax. Food wax should
not be used on interior of tanks due to not being a long-term method of
repair and very costly to remove. I recommend removing all wax before
sandblasting to a near white finish. (SSPC SP10 or NACE 2)
46
Recommendations:
5) The roof ladder is unsafe due to cell communication wiring being
installed in its climbing path. Also, ladder is not welded every 10’to roof
surface and does not have a safety climb device. I recommend installing
another roof ladder that is OSHA approved and equipped with safety
climb device for fall protection. Leave old ladder for wiring.
47
Recommendations:
6) The ladder that runs between ground and catwalk needs a cable type
safety climb installed for fall protection.
48
Recommendations:
7) The handrail on catwalk is 36” tall and not an OSHA approved
designed. I recommend raising to 42” and installing an OSHA approved
self-closing safety gate over ladder opening.
49
Recommendations:
8) The water level gauge no longer works due to poor design and metal
loss. Also, the track system needs to be replaced due to allowing insects
to enter where it is connected to roof. I recommend installing a complete
cable type gauge using stainless steel hardware and cables. Also, float
needs to be made of non-corrosive material.
50
Recommendations:
9) The man-way on riser pipe at ground level needs to be replaced to due
being under sized. I recommend installing a 24”man-way with
“confined space signs”.