6.0 EQUIPMENT AND PIPING COLOR IDENTIFICATION CODE

COATINGS MANUAL HRSD 6.0

EQUIPMENT AND PIPING COLOR IDENTIFICATION CODE

The objective of this Equipment and Piping Color Identification Code is to provide easy and rapid identification of the various unit process equipment and piping in a treatment plant. The large amount of equipment and piping in the treatment plant requires that a simple system be used to identify and distinguish the equipment and piping. A.

The Color Shade Code should be used to provide a uniform shade of color when using various manufacturers and types of coatings (see Color Shade Code). The color should be based on the U.S. Government Federal Register 595 Paint Color Number.

B.

The Color Selection Code should be used to select the color for all equipment and piping in the treatment plant. The selected color for individual equipment and piping would be based on the type of flow involved.

C.

The Equipment and Piping Color Identification Code should be used to identify all equipment in the treatment plant (see Equipment & Piping Color Identification Code). The identification for all equipment should include both the proper coating color and the proper stenciled markings.

D.

1.)

Stenciled marking should be placed on multiple units of equipment to indicate the unit number, i.e., No. 1, No. 2, etc.

2.)

Stenciled markings should be black or white in color to contrast with the equipment background color as appropriate.

3.)

Stenciled markings should be 2 ½ inches in size.

The Equipment and Piping Color Identification Code should be used to identify all piping in the treatment plant. The identification for all piping should include both the proper coating color and the proper stenciled markings. 1.)

Stenciled markings should include both the proper unit process flow abbreviations and a directional arrow indicating the proper flow direction as appropriate.

2.)

Stenciled markings should be placed wherever pipes pass thru walls, at the influent and effluent of pumps or valves, at intersections, and at regular intervals along pipe runs as appropriate.

3.)

Stenciled markings should be black or white in color to contrast with the pipe background color as appropriate.

OD/Coatings Manual 2011 Section 6.0

COATINGS MANUAL HRSD 4.)

Stenciled markings for pipes should be all capital letters sized as follows: Pipe Size Up to 1 ½ inch 2 to 6 inches 8 inches and up

E.

½ inch 1 ¼ inch 2 ½ inch

Color Shade Code

Color Shade Aluminum Black Blue Brown Gray Green, Dark Green, Light Orange Red White Yellow F.

Letter Size

U.S. Government Federal Register 595 Paint Color Number 17178 17038 15050 10091 16473 14062 14533 12246 11105 17875 13655

If piping is stainless steel and/or PVC and/or there are other viable reasons not to paint (piping is already painted and may not be economical to repaint), then the following is permissible: All piping must be distinctly marked with color-coded bands around the pipe and labeled. All piping shall be frequently marked with color-coded bands and labels as stated in item A, B, C, and D above.

OD/Coatings Manual 2011 Section 6.0

COATINGS MANUAL HRSD G.

EQUIPMENT AND PIPING COLOR IDENTIFICATION CODE Equipment and Piping Color Identification Code Unit Process

Odor Control

Flow Non Potable Water Non Potable Well Water Potable Water Drain Drainage Pump Station Discharge Electrical Conduit Fire Protection Floor Drain Fuel Oil Fuel Oil Supply Fuel Oil Return Hot Water Supply Hot Water Return Hot Water Reverse Return HVAC Hydraulic Oil Hot Potable Water Lube Oil Natural Gas Polymer Dry Air Process Drain Propane Roof Drain Seal Water Service Air ( Low Pressure) Service Air (High Pressure) Sanitary Drain Sanitary Sewer Force Main Spray Water Steam Storm Drain Sump Pump Discharge Tank Drain Vacuum Vent Odorous Air Scrubber Blowdown Scrubber Chemical Feed

OD/Coatings Manual 2011 Section 6.0

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Color Lt. Green Lt. Green Dk. Green Gray Gray

Abbreviation NPW NPWW PW DRAIN DPSD

Red Red Gray Black Black Black Lt. Green Lt. Green Lt. Green Gray Black Dk. Green Black Yellow Blue Gray Yellow Gray Lt. Green Blue

FIRE FD FO FOS FOR HWS HWR HW REV RET HVAC HDO HPW LO NAT GAS DA DRAIN LP RD SW LPSA

Blue

HPSA

Gray Gray

DRAIN SSFM

Lt. Green Aluminum Gray Gray Gray Blue Gray Gray Orange Orange

SPRAY STEAM STORM SPD DRAIN VAC V OA SBD SCF

COATINGS MANUAL HRSD Equipment and Piping Color Identification Code Unit Process

Preliminary Treatment

Primary Treatment

Intermediate Treatment

Biological Treatment

Flow Scrubber Recirculation Cleaning Scrubber Recirculation Discharge Scrubber Recirculation Suction Scrubber Drain Scrubber Exhaust Scrubber Intake Scrubber (vessel) Cyclone Influent Cyclone Recycle Grit Raw Wastewater Influent Screened Effluent Septic Tank Unloading Primary Clarifier Influent Primary Clarifier Effluent Primary Clarifier Solids Primary Scum Oxidation Tower Influent Oxidation Tower Effluent Intermediate Clarifier Influent Intermediate Clarifier Effluent Intermediate Biosolids Intermediate Scum Aerated Supernatant Return Anaerobic Influent Anaerobic Effluent Anoxic Influent Anoxic Effluent Anoxic Recycle Aeration Influent Aeration Effluent Mixed Liquor Nitrified Recycle Secondary Clarifier Influent Secondary Clarifier Effluent Secondary Scum Return Activated Solids

OD/Coatings Manual 2011 Section 6.0

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Color Orange

Abbreviation SRC

Orange

SRD

Orange

SRS

Gray Gray Gray Gray Gray Gray Gray Gray Gray Gray Gray Gray Brown Gray Gray Gray Gray

DRAIN SCRUB EXH SCRUB INTK --CYCL INF CYCL RCY GRIT RWI SE SEPTIC UNLDG PCI PCE PCS SCUM OTI OTE ICI

Gray

ICE

Brown Gray

INS SCUM ASR

Gray Gray Gray Gray Gray Gray Gray Brown Gray Gray

ANI ANE AXI AXE ARCY ARI ARE MLSS NRCY SCI

Gray

SCE

Gray Brown

SCUM RAS

COATINGS MANUAL HRSD Equipment and Piping Color Identification Code Unit Process Disinfection Effluent Pumping

Scum Disposal

Solids Thickening

Digestion

Solids Holding Tank

Flow Waste Activated Solids Contact Tank Effluent Contact Tank Scum Final Effluent Holding Pond Drain Feed Scum Concentrated Scum Scum Concentrator Subnatant Scum Decant Supernatant Return Decant Tank Drain Flotation Thickener Feed Solids Flotation Thickener Recycle Flotation Thickened Solids Flotation Thickener Subnatant Gravity Belt Thickener Feed Solids Gravity Belt Thickener Filtrate Gravity Belt Thickened Solids Gravity Thickener Feed Solids Gravity Thickened Solids Gravity Thickener Overflow/Supernatant Primary Digester Feed Solids Primary Digested Solids Digester Recirculation Solids Primary Digester Supernatant Primary Digester Transfer Solids Secondary Digested Solids Secondary Digester Supernatant Digester Gas Holding Tank Feed Solids

OD/Coatings Manual 2011 Section 6.0

6-4

Color Brown Gray Gray Gray Gray Gray Gray Gray

Abbreviation WAS CTE SCUM FNE DRAIN FD SCUM CN SCUM SCB

Gray Gray Gray Brown

SCUM DSR DRAIN FTFS

Gray

FTRCY

Brown Gray

FTS FSB

Brown

GBFS

Gray

GBFL

Brown

GBTS

Brown

GTFS

Brown Gray

GTS GSP

Brown

PDFS

Brown Brown

PDS DRS

Gray

PDSP

Brown

PDXS

Brown Gray

SDS SDSP

Yellow Brown

DGAS HTFS

COATINGS MANUAL HRSD Equipment and Piping Color Identification Code Unit Process Solids Conditioning

Solids Dewatering

Solids Incineration

Nitrification Enhancement Facility

Chemicals

Chemical Storage Tanks

Flow Conditioning Tank Feed Solids Centrifuge Feed Solids Centrifuge Biosolids Cake Centrifuge Centrate Centrifuge Thickened Biosolids Centrifuge Thickening Centrate Foreign Biosolids Loading Foreign Biosolids Unloading Incinerator Feed Cake Incinerator Ash Incinerator Scrubber Water Effluent Scrubber Intake Scrubber Exhaust Nitrification Enhancement Facility Influent Nitrification Enhancement Facility Aeration Effluent Nitrification Enhancement Facility Secondary Effluent Nitrification Enhancement Facility Solids Acid Wash Supply Acid Wash Return Alum Ammonia Caustic Caustic Solution Dry Polymer Ferric/Ferrous Hydrogen Peroxide Liquid Polymer Muriatic Polymer Solution Sodium Bisulfite Sodium Bisulfite Solution Sodium Hypochlorite Sodium Hypochlorite Solution Chemical Tanks

OD/Coatings Manual 2011 Section 6.0

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Color Brown

Abbreviation CNFS

Brown Brown Gray Brown

CFS CCK CCT CTS

Gray

CTCT

Brown Brown

FLS FUS

Brown Brown Gray

IFC ASH ISE

Gray Gray Gray

SI SE NEFINF

Brown

NEFARE

Brown

NEFSCE

Brown

NEFS

Orange Orange Orange Orange Orange Orange Orange Orange Orange Orange Orange Orange Purple Orange Orange Orange

AWS AWR ALUM AMMONIA CAUSTIC CAUSTIC SOL DPOLY FERRIC/FERROUS PEROXIDE LPOLY MURIATIC POLY SOL BISULFITE BISULFITE SOL HYPO HYPO SOL

Gray OR White

(Name of Chemical)

COATINGS MANUAL HRSD Equipment and Piping Color Identification Code Unit Process Bollards Water Reclamation Misc

Flow Reclaimed Water Main Abandoned Sample

OD/Coatings Manual 2011 Section 6.0

6-6

Color Yellow Purple

Unit Process Color

Abbreviation --RWM ABAND (Unit Process Name)/SAMP