40_91_19_Instrumentation_0010.docx

Section 40 91 19

Instrumentation

General section includes Instrumentation:

Switch - Float Transducer –Radar Level Measuring System Transducer - Submersible Level

Testing and Commissioning

Installation

Related sections 43 22 50 Flowmeters

References National Fire Protection Association (NFPA), latest adopted version.

National Electrical Manufactures Association (NEMA) NEMA ICS-2 Industrial Control Devices, Controllers, and Assemblies.

NEMA 250 Enclosures for Electrical Equipment.

Underwriters Laboratories (UL) UL 508 Industrial Control Equipment.

UL 698A Industrial Control panels for Hazardous Locations.

UL 913 Intrinsically-safe Apparatus and associated apparatus for use in Class I, II and III, Division 1, Hazardous Locations.

general The work specified in this Section includes furnishing, installing, start-up, testing, and adjusting of all required equipment, including instruments, equipment, hardware, software, wiring, accessory equipment, and training to provide a completely operational process instrumentation and control system.

It shall be the responsibility of the Contractor to furnish a complete and fully operating system. The Contractor shall be responsible for all details which may be necessary to properly install, adjust and place in operation the complete installation. The contractor shall assume full responsibility for additional costs which may result from unauthorized deviations from the Contract Documents.

It shall be the responsibility of the Contractor and supplier to examine all new and existing equipment that is transmitting a signal to, or receiving a signal from, equipment specified in this Section. The Contractor shall be responsible for providing signal converters, buffer amplifiers, and isolation devices to make signal levels, reference to ground, etc. compatible between devices specified in this Section and existing equipment or equipment specified in other Sections.

The Contractor shall be responsible for selecting instrumentation models to have the proper range values for the system it is connected to and measuring.

Submittals Technical data in conformance with Division 1 and including:

All equipment and components indicated on the Drawings and specified in Part 2 of this Section.

Shop Drawings in conformance with Division 1 and including:

Manufacturer’s data or specification sheets for instrumentation and control devices showing design parameters, equipment catalog designations, calibration range, and clearly identifying options provided.

Certified outline drawings Installation drawings including mounting and grounding requirements.

Wiring connection drawings for equipment and accessories provided. Wiring interconnection drawings shall define terminal numbers and functions for interface with other instruments and equipment.

Operational and Maintenance data in conformance with Division 1 and including:

Field devices and instruments, including “as-build” system schematics.

Provide hard copies as required in Division 1.

Start-up report from system supplier per requirements of Division 1.

Spare Equipment Lists- Provide a list of recommended spare parts and equipment that is considered spare parts and equipment that is considered crucial to the operation of the system. Include list of pries for each item.

products flowmeter See specification 43 22 50 switch - float Devices:

LSH-1 (50K Gallon Tank) LSL-1 (50K Gallon Tank) LSH-2 (100K Gallon Tank) LSL-2 (100K Gallon Tank)

Water Application:

Polypropylene with encapsulated non-mercury type switch.

Contact rating – 3 Amps at 120 VAC, resistive.

Operating differential – 1 inch, nominal.

Extra-flexible cord in length suitable for the application.

Manufacturer: US Filter, Flygt, Anchor Scientific, or equal.

transducer - Radar level measuring system Devices:

LIT-1 (50K Gallon Tank) LIT-2 (100K Gallon Tank)

Non-contacting radar level transmitter that detects distance from water surface by using a microwave frequency modulated over a span. Level is proportional to the frequency difference between received and transmitted signal. System shall have separate transmitter that electronically calculates level and/or flow as specified.

Provide interconnecting cable between transducer and transmitter.

Transducer/Tranmitter:

NEMA 4

Suitable for continuous accidental submersion.

-40 to 300 degree F operating range.

Corrosion-resistant CPVC body and stainless steel hardware.

2-Wire loop powered transmitter

Controller:

120VAC input power.

NEMA 4 enclosure.

Output: 4 – 20mAdc into 750 ohm load with HART.

EEPROM memory that retains programming during power outage without the need for batteries.

Programmable functions to permit selection of low formula. Capable of future operation as a level transmitter, or flow transmitter for other open-channel flow application.

Programming keypad.

Adjustable zero, span, and dampening of output signal.

Liquid crystal display to indicate level and flow in engineering units specified.

Manufacture:

Emerson Rosemount 5408 Transducer with 3490 Controller.

VEGAPULS C21 Transducer with VEGADIS 82 transmitter.

Krohne OPTIWAVE 1540.

Approved equal.

transducer – submersible level Devices:

LE-6 (Well 6) LE-7 (Well 7)

Submersible unit that measures hydrostatic head of liquid, using variable-capacitance or variable-resistance transducer.

Corrosion-resistant stainless steel and PVC construction.

2” minimum diameter sensing surface with flexible membrane for wastewater/sludge applications. Provide 1” maximum unit diameter and sensing surface for clean water and monitoring well application.

Two-wire, loop-powered integral transmitter that receives operating power from a 4-20 mAdc loop. And controls the loop current in proportion to level over the specified range.

Provide stainless steel hardware and lifting cable to allow removing unit without entering wetwell.

Manufacture:

Sigma Controls, Inc. Small bore 5000MP Endress+Hauser WAterpilot FMX21.

Siemens LH300 Or approved equal.

execution Labeling Label all field mounted control devices, instrumentation, switches, etc., with tag number and item description.

Labels shall be engraved laminated plastic with ¼” high lettering. Labels shall be attached with stainless steel screws to the device or nearby wall.

calibration, adjusting and testing Devices requiring field calibration shall be calibrated in the presence of the Engineer’s representative and documented.

Install and set up wireless access ports, access ports shall be laid out to cover the Influent Waste complex only.

installation and start-up Control devices shall be provided and wired as shown on the Drawings. Control schematics and wiring connections shown on the Drawings are based upon the equipment specified and the typical wiring diagrams furnished by the manufacturer. The Contractor shall review the wiring diagrams for the equipment actually furnished and modify the wiring shown on the Drawings to conform to the requirements of the equipment furnished. The Contractor will not be compensated for extra labor and materials which are required to change wiring which was not confirmed with the equipment manufacturer's drawings.

Supplier shall provide a skilled programmer/instrumentation engineer or technician who shall complete troubleshooting and star-up to place the entire system into satisfactory operation. The engineer or technician shall make the necessary inspection of the completed installation, make the necessary final field adjustments, and make program revisions are required for start-up.

acceptance testing After the installation is complete, and proper operation has been demonstrated, a 60-day acceptance test shall begin. The entire system shall be required to operate for 60 days with no malfunctions, field repairable malfunctions excepted. Any malfunction during the 60-day test which cannot be corrected within 24 hours by the supplier shall be considered a non-field repairable malfunction and after repairs are complete, the test shall be repeated.

The acceptance test shall apply to all equipment furnished under this Section.

end of section