15190

SECTION 15190

MECHANICAL IDENTIFICATION

PART 1 - GENERAL

1.01 WORKS INCLUDED

A. Comply with Division 1, General Requirements and all documents referred to therein.

B. All piping and ductwork concealed or exposed shall have identification markers. All equipment and system components shall have identification markers. Relocate mechanical identification material and devices that have become visually blocked by works of this Division or other Divisions.

1.02 SUBMITTALS

A. Submit shop drawings as product data under provisions of General Conditions, Division 1 and Section 15010 as applicable.

B. Submit samples of all nameplates, valve tags, pile markers, duct stencils and application sample, valve schedules, equipment schedules, etc. for review by the Supervision Consultant.

C. Submit nomenclature system for all valves, equipment, etc. for review.

D. Submit copy of all valve schedules, piping lists, and equipment list with Operating and Maintenance Manuals.

1.03 COMPLIANCE

A.Proper identification for system and equipment where required by codes, regulations, authoritys requirements.

PaRT 2 - PRODUCTS

2.01 MANUFACTURERS IDENTIFICATION

A. Manufacturer's nameplate, catalog numbers, rating identification, name or trademark shall be permanently affixed with screws or rivets (adhesives or cements are not acceptable) to all equipment and material furnished under this specification.

B. Identify model number, size, capacity, electrical characteristics, serial number, etc.

C. Leave nameplates clean, legible and with unobstructed view.

2.02 APPARATUS IDENTIFICATION

A. Equipment nameplates shall be 50 mm high, 1.5 mm thick, three layer black laminated plastic plates with 20 mm inch high white lettering engraved through the black layer. Edges shall be beveled.

B. Equipment identification nameplate shall be securely attached to each piece of equipment.

C. Secure nameplate to each starter, switch, relay, transformer, etc. that controls the equipment.

D. Nameplates to bear notations corresponding to notations on operating instructions and as built Drawings.

2.03 PIPE IDENTIFICATION

A. Identify with symbol identification and color-code all piping. Provide directional arrows on circulating systems separate from and adjacent to each identification. Identification in conformance with ANSI13.1 Scheme of Identification of Piping Systems (OSHA).

B. Plastic Markers: Snap-on laminated plastic protected by clear acrylic coating, Setmark by Seton Name Plate Corp. or approved equal. Each marker must show accepted color-coded background, proper color of legend in relation to background color, accepted legend letter size, accepted marker length.

C. 50 mm letter size for pipe or insulation 75 mm or larger. 25 mm letter size for pipe or insulation 65 mm or smaller.

D. Name of contents and directional arrows shall be placed at points of entrance and exit from mechanical room, adjacent to each valve, on each riser, at each tee fitting, at points of entrance and exit from building, at least once in each room, and intervals no longer than 6 m on long pipe runs.

E. Color Coding: The following color coding shall be used:

ServiceA. S. A. Color backgroundColor Of LetterDesignation

Chilled Water ReturnGreenWhiteCHWR

Chilled Water SupplyGreenWhiteCHWS

Condenser Water ReturnGreenWhiteCWR

Condenser Water SupplyGreenWhiteCWS

Domestic Cold WaterGreenWhiteDCWS

Make-up WaterGreenWhite

LPG YellowBlackLPG / Diesel

Sanitary SewerBlackWhite

Sanitary Sewer VentGreenWhite

Rainwater LeadersGreenWhite

SprinklerRedWhiteSprinkler

Standpipe / Hosereel CabinetRedWhiteStandpipe / HR

IrrigationGreenWhiteIWS

SteamSilver GreyBlackSteam

Hot Water SupplyGreenWhiteHWS

Hot Water ReturnGreenWhiteHWR

Diesel FuelBrownWhite

2.04 DUCTWORK IDENTIFICATION

A. Duct markers shall be stenciled onto insulation of duct with legend and flow arrow. Letters shall be 50 mm high. Black lettering on white background.

2.05 VALVE IDENTIFICATION

A.Provide valve tags for all valves. Attach to handwheel or stem of each control and line shutoff valve installed under this Division, with heavy brass "S" hook, color-coded plastic laminate or brass identification tag. Engrave laminate tags shall be at least 25 mm in diameter with numerals at least 3 mm thick.

B. Identify all fire service valves with above specified tags with "fire main - do not close" with white letters on red background.

C. Tag all valves except fixture stops.

2.06 VALVE AND EQUIPMENT CHARTS

A. Provide typewritten schedules giving numbers, service and locations, and notations of normal position and future position of all tagged valves. List piping systems with symbol and color coding on pipe identification chart. List valve model numbers and symbol for service corresponding to piping symbol on valve identification chart. Provide small "key plan" identifying valves as related to column lines. Enclose each schedule, list and key plan in separate transparent plastic binder.B. Frame one copy of schedule under glass, mount where directed in each equipment room.

C. Provide typewritten list of equipment, indicating location, service, area served, with equipment reference number corresponding to as-built drawings suitably framed, with glass front, mounted in each equipment room.

2.07 CONTROLS

A. Provide engraved plastic laminate identification plate showing function of switches and manually operable controls, including switches furnished under another Division. Provide point numbers on all control system components corresponding to programmed and second drawing point numbers.

PART 3 - EXECUTION

3.01 PREPARATION

A.Degrease and clean surfaces to receive adhesive for identification materials of any materials that will prevent paint to marker adhesion.

3.02 EQUIPMENT IDENTIFICATION

A.Equipment Identification:

1. Properly identify each piece of equipment and controls pertaining thereto by nameplates mounted on equipment and controls using round head brass machine screws or pop rivets. Cardholders in any form not acceptable.

B. Apply with sufficient adhesive to ensure permanent adhesion and seal with clear lacquer.

C. Place warning signs on machines driven by electric motors which are controlled by fully automatic starters.

D. Identify air handling units, fans and pumps with area served.

E. Small devices, such as inline pumps, may be identified with tags.

F. Identify control panels and major control components outside panels with plastic nameplates.

G. Identify equipment out of view behind access doors, in unfinished rooms on the face of the access door.

3.03 DUCTWORK IDENTIFICATION

A. Provide identification of all toilet exhaust, general exhaust and supply air, return air, outside air and exhaust air ducts by means of stenciled lettering identifying contents and direction of flow.

B. Locations: Ductwork shall be stenciled in ducts coming out of shaft at each floor, at each junction or branch take-off, at least once in each room where ducts are concealed, at each access panel, in equipment rooms and at intervals not longer than 6 m. Stencil shall clearly identify duct service (S for supply, R for return, X for exhaust), area served by branch, and arrow indicating direction of flow.

C. Application: Apply to clean surfaces free of dust, grease, oil or any other material which will prevent paint adhesion.

3.04 PIPING IDENTIFICATION

A. Apply markings after all cleaning and painting of piping and insulation is completed.

B. Location for Pipe Identification:

1. Within 300 mm of each valve, fitting, thermometer or gauge (except on plumbing fixture).

2. At each branch and riser takeoff.

3. At each pipe passage through wall, floor and ceiling construction.

4. On all horizontal runs spaced 6 m maximum but not less than once in each room at entrance and exit of each concealed space.

5. Where capped piping is provided for future connections, provide legible and durable metal tags indicating symbol identification.

6. At wall and ceiling access panels.

7. In addition to foregoing identification for piping, identify fire protection piping with 25 mm wide red painted band, completely encircling pipe adjacent to symbol identifications.

C. Install plastic pipe markers in accordance with manufacturer's instructions.

D. Install plastic tape pipe markers complete around pipe in accordance with manufacturer's instructions.

E. Install underground plastic pipe markers 150 mm to 200 mm inches below finished grade, directly above buried pipe.

F. In finished areas, label exposed pipes or ducts only adjacent to walls.

3.05 VALVE IDENTIFICATION

A. Valve Identification tags shall have the following abbreviations plus valve number.

ServiceAbbreviationServiceAbbreviation

Chilled Water ReturnCHWRFuel Oil SupplyFOS

Chilled Water SupplyCHWSFuel Oil ReturnFOR

Condenser Water ReturnCWRFuel Oil VentFOV

Condenser Water SupplyCWSBoiler FeedBF

CondensateGCStandpipeStandpipe

Identification shall be black lettering on white background or in a manner approved by the Supervision Consultant.

3.06 CONCEALED IDENTIFICATION

A.Where acceptable by the Supervision Consultant, provide color-coded ceiling tacks to locate coils, fire dampers, valves, control devices, etc. or other approved label on each T-bar suspended ceiling push-out tile. Locate in corner of panel closest to equipment.

END OF SECTION

Burj Dubai Dubai Mall Hotel, Dubai, United Arab EmiratesMechanical Identification

MEP Spec-For Construction (Date of Issue: Jan 2006)15190.1