SECTION 15980

INSTRUMENTATION

PART 1 GENERAL

SECTION INCLUDES

Positive displacement meters.

Flow meters.

Pressure gages and pressure gage taps.

Thermometers and thermometer wells.

Static pressure and filter gages.

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section 15510 - Hydronic Piping: Installation of [thermometer wells.] [pressure gage tappings.]

Section 15520 - Steam and Steam Condensate Piping: Installation of [thermometer wells.] [pressure gage tappings.]

RELATED SECTIONS

Section 15973 - Pneumatic Control Systems.

Section 15975 - Direct Digital Control Systems.

Section 15985 - Sequence of Operation.

REFERENCES

ASME B40.1 - Gages - Pressure Indicating Dial Type -Elastic Element.

ASME MFC-3M - Measurement of Fluid Flow in Pipes Using Orifice, Nozzle and Venturi.

ASTM D2458 - Method of Flow Measurement by The Venturi Motor Tube.

ASTM E1 - Specification for ASTM Thermometers.

ASTM E77 - Verification and Calibration of Liquid-in-Glass Thermometers.

AWWA C700 - Cold Water Meters - Displacement Type.

AWWA C701 - Cold Water Meters - Turbine Type for Customer Service.

AWWA C702 - Cold Water Meters - Compound Type.

AWWA C706 - Direct Reading Remote Registration Systems for Cold Water Meters.

AWWA M6 - Water Meters - Selection, Installation, Testing, and Maintenance.

FS-GG-G-76 - Gages, Pressure and Vacuum, Dial Indicating (for Air, Steam, Oil, Water, Ammonia, Chloro- Flourhydrocarbon Gases, and Compressed Gases).

ISA RP 3.2 - Flange Mounted Sharp Edged Orifice Plates for Flow Measurement

UL 393 - Indicating Pressure Gages for Fire and Protection Services.

UL 404 - Gages, Indicating Pressure, for Compressed Gas Service.

SUBMITTALS

Submit under provisions of Section [01300.] [01340.]

Product Data: Include list which indicates use, operating range, total range and location for manufactured components.

Samples: Submit [two] [_____] of each type of instrument specified.

Submit manufacturer's installation instructions under provisions of Section [01300.] [01340.]

PROJECT RECORD DOCUMENTS

Submit documents under provisions of Section [01700.] [01720.]

Accurately record actual locations of instrumentation.

ENVIRONMENTAL REQUIREMENTS

Do not install instrumentation when areas are under construction, except for required rough-in, taps, supports and test plugs.

PART 2 PRODUCTS

MANUFACTURERS

[______________________________] Model [_____________.]

[______________________________] Model [_____________.]

[______________________________] Model [_____________.]

Substitutions: Under provisions of Section [01600.] [01630.]

POSITIVE DISPLACEMENT METERS (LIQUID)

[AWWA C700,] [AWWA C701,] [AWWA C702,] positive displacement disc type suitable for fluid with hermetically sealed register, [remote reading to AWWA C706.]

Provide water meters with bronze case with cast iron [frost-proof, breakway] bottom cap.

Where metering service downstream of utility company meter, meter provided shall be same manufacture as utility company meter.

Model [__________] manufactured by [____________________.]

LIQUID FLOW METERS

[ASME MFC-3M,] [ASTM D2458,] [ISA RP 3.2,] calibrated venturi orifice plate and flanges with valved taps, chart for conversion of differential pressure readings to flow rate, with pressure gage in case.

Annular element flow stations with meter set.

Measuring Station: Stainless steel nipple section or weld insert type, rated to 275 psig (1 896 kPa) at 400 degrees F (204 degrees C), with safety shut-off valves and quick coupling connections, and permanent metal tag indicating design flow rate, reading for design flow rate, metered fluid, line size, station or location number. Accuracy of flow measuring elements shall be plus or minus 0.55 to minus 2.30 percent.

Portable Meter Set: Dry single diaphragm type pressure gage with 6 inch (150 mm) dial pointer, stainless steel wetted metal parts, variable pulsation damper, equalizing valve, two bleed valves, and master chart for direct conversion of meter readings to flow rate, mounted in rust-proof carrying case with two ten foot (3 m) long rubber test hoses with brass valves or quick connections for measuring stations.

Model [__________] manufactured by [____________________.]

PRESSURE GAGES

ASME B40.1, [UL 393] [UL 404] [FS-GG-G-76][,] [2 inch (50 mm)] [2-1/2 inch (65 mm)] [3-1/2 inch (90 mm)] [4-1/2 inch (115 mm)] diameter drawn steel case, phosphor bronze bourdon tube, rotary brass movement, brass socket, with front recalibration adjustment, black scale on white background, one percent mid-scale accuracy, scale calibrated in [psi] [kPa] [both psi and kPa], Model [__________] manufactured by [____________________.]

ASME B40.1, [UL 393] [UL 404] [FS-GG-G-76][,] [3-1/2 inch (90 mm)] [4-1/2 inch (115 mm)] [6 inch (150 mm)] diameter cast aluminum case, phosphor bronze bourdon tube, rotary brass movement, brass socket, front recalibration adjustment, black figures on white background, one percent mid-scale accuracy, scale calibrated in [psi] [kPa] [both psi and kPa], Model [__________] manufactured by [___________________.]

PRESSURE GAGE TAPS

Gage Cock: Tee or lever handle, brass for maximum 150 psig (1034 kPa), Model [__________] manufactured by [___________________.]

Needle Valve: [Brass] [Steel] [Stainless Steel] for maximum [_____] psig ([_____] kPa), Model [__________] manufactured by [___________________.]

Pulsation Damper: Pressure snubber, brass with 1/4 inch (6 mm) connections, Model [__________] manufactured by [____________________.]

Syphon: [Steel, Schedule 40,] [Brass,] [Iron,] [Stainless Steel,] [Bronze,] 1/4 inch (6 mm) angle or straight pattern, Model [__________] manufactured by [___________________.]

STEM TYPE THERMOMETERS

ASTM E1, [7 inch (175 mm)] [9 inch (225 mm)] [12 inch (300 mm]) scale, red appearing mercury, lens front tube, cast aluminum case with enamel finish and clear glass or polycarbonate window, [_____] inch ([_____] mm) brass stem, 2 percent of scale accuracy [to ASTM E77] scale calibrated in [degrees F] [degrees C] [both degrees F and degrees C], Model [__________] manufactured by [____________________.]

ASTM E1, [7 inch (175 mm)] [9 inch (225 mm)] [12 inch (300 mm)] scale, adjustable angle, red appearing mercury, lens front tube, cast aluminum case with enamel finish and clear [glass] [Lexan] window, [_____] inch ([_____] mm) brass stem, cast aluminum adjustable joint with positive locking device, 2 percent of scale accuracy [to ASTM E77], scale calibrated in [degrees F] [degrees C] [both degrees F and degrees C], Model [__________] manufactured by [____________________.]

DIAL THERMOMETERS

ASTM E1, [2 inch (50 mm)] [2-1/2 inch [60 mm)] [3 inch (75 mm)] [3-1/2 inch (90 mm)] [5 inch (125 mm)] [_____] diameter dial in stainless steel case, bimetallic helix actuated with silicone fluid damping, white with black markings and black pointer hermetically sealed [glass] [Lexan] lens, stainless steel stem, one percent of full scale accuracy, calibrated in [degrees F] [degrees C] [both degrees F and degrees C], Model [__________]

manufactured by [____________________.]

ASTM E1, [3 inch (75 mm)] [5 inch (125 mm)] [_____] diameter dial in stainless steel case, adjustable angle with front recalibration, bimetallic helix actuated with silicone fluid damping, white with black markings and black pointer hermetically sealed [glass] [Lexan] lens, stainless steel stem, one percent of full scale accuracy, calibrated in [degrees F] [degrees C] [both degrees F and degrees C], Model [__________] manufactured by [____________________.]

ASTM E1, [2-1/2 inch [60 mm)] [3-1/2 inch (90 mm)] [4-1/2 inch (115 mm)] [6 inch (150 mm)] [_____] diameter dial in [stainless steel] [drawn steel with enamel finish] case, vapor or liquid actuated with brass or copper bulb, [5 feet (1 500 mm)] [6 feet (1 800 mm)] (10 feet (3 000 mm)] copper or bronze braided capillary, white with black markings and black pointer glass lens, [2] [3] percent mid-scale accuracy, calibrated in [degrees F] [degrees C] [both degrees F and degrees C], Model [__________] manufactured by [____________________.]

THERMOMETER SUPPORTS

Socket: Brass separable sockets for thermometer stems with or without extensions as required, and with cap and chain.

Flange: 3 inch (75 mm) outside diameter reversible flange, designed to fasten to sheet metal air ducts, with brass perforated stem.

TEST PLUGS

Test Plug: 1/4 inch (6 mm) or 1/2 inch (13 mm) [brass] [stainless steel] fitting and cap for receiving 1/8 inch (3 mm) outside diameter pressure or temperature probe with [neoprene core for temperatures up to 200 degrees F (93 degrees C)] [Nordel core for temperatures up to 350 degrees F (176 degrees C)] [Viton core for temperatures up to 400 degrees F (204 degrees C)], Model [__________] manufactured by [____________________.]

Test Kit: Carrying case, internally padded and fitted containing [one] [two] [2-1/2 inch (60 mm)] [3-1/2 inch (90 mm)] diameter pressure gages, [one] [two] gage adapters with 1/8 inch (3 mm) probes, two [one inch (25 mm)] [1-1/2 inch (38 mm)] dial thermometers, Model [__________] manufactured by [____________________.]

STATIC PRESSURE GAGES

[3-1/2 inch (90 mm)] [_____] diameter dial in metal case, diaphragm actuated, black figures on white background, front recalibration adjustment with tubing, static pressure tips, Model [__________] manufactured by [____________________.]

Inclined manometer, red liquid on white background with black figures, front recalibration adjustment with tubing, static pressure tips, Model [__________] manufactured by [____________________.]

PART 3 EXECUTION

INSTALLATION

Install in accordance with manufacturer's instructions.

Install positive displacement meters with isolating valves on inlet and outlet[.] [to AWWA M6.] Provide full line size valved bypass with globe valve for liquid service meters.

Provide one pressure gage per pump, installing taps before strainers and on suction and discharge of pump. Pipe to gage.

Install pressure gages with pulsation dampers. Provide [gage cock] [needle valve] to isolate each gage. [Provide syphon on gages in steam systems.]

Install thermometers in piping systems in sockets in short couplings. Enlarge pipes smaller than 2-1/2 inch (60 mm) for installation of thermometer sockets.

Install thermometers in air duct systems on flanges.

Install thermometer sockets adjacent to controls system thermostat, transmitter, or sensor sockets. Refer to Section [15973.] [15975.] [Where thermometers are provided on local panels, duct or pipe mounted thermometers are not required.]

Locate duct mounted thermometers minimum 10 feet (3 m) downstream of mixing dampers, coils, or other devices causing air turbulence.

Coil and conceal excess capillary on remote element instruments.

Provide instruments with scale ranges selected according to service with largest appropriate scale.

Install gages and thermometers in locations where they are easily read from normal operating level.

Locate test plugs [adjacent to thermometers and thermometer sockets.] [adjacent to pressure gages and pressure gage taps.] [adjacent to control device sockets.] [as defined in Section 15985.] [where indicated.]

POSITIVE DISPLACEMENT METER SCHEDULE

LOCATION	SCALE_RANGE

Condensate return scale range

Domestic cold water

Expansion tank make-up

Cooling tower make-up

FLOW METER SCHEDULE

LOCATION	SCALE_RANGE

Heating water system

Condensing water system

Chilled water system

PRESSURE GAGE SCHEDULE

LOCATION	SCALE_RANGE

Pumps

Expansion tanks

Pressure tanks

Standpipe, highest points

Standpipe and sprinkler water supply

connection

Sprinkler system

Pressure reducing valves

Backflow preventers

PRESSURE GAGE TAP SCHEDULE

LOCATION	SCALE_RANGE

Control valves 1 inch (25 mm) & larger

- inlets and outlets

Major coils - inlets and outlets

Heat exchangers - inlets and outlets

Chiller - inlets and outlets

Boilers - inlets and outlets

STEM TYPE THERMOMETER SCHEDULE

LOCATION	SCALE_RANGE

Headers to central equipment

Coil banks - inlets and outlets

Heat exchangers - inlets and outlets

Boilers - inlets and outlets

Chiller - inlets and outlets

Water zone supply and return

After major coils

Domestic hot water supply and recirculation

THERMOMETER SOCKET SCHEDULE

LOCATION	SCALE_RANGE

Control valves 1 inch (25 mm) & larger

- inlets and outlets

Reheat coils - inlets and outlets

Cabinet heaters - inlets and outlets

Unit heaters - inlets and outlets

DIAL THERMOMETER SCHEDULE

LOCATION	SCALE_RANGE

Each supply air zone

Outside air

Return air

Mixed air

STATIC PRESSURE AND FILTER GAGE SCHEDULE

LOCATION	SCALE_RANGE

Built up filter banks

Unitary filter sections

Supply fan discharge

Building static

END OF SECTION