3.3
All instrumentation shall be installed in accordance with the manufacturers’
installation requirements.
Flush chips and other debris from piping before installing flow meter.
Install flow meters to allow minimum 5 pipe diameters in straight pipe
upstream and 2 pipe diameters downstream from any valves or fittings. Verify
that this requirement has been met prior to installation of the flow meter.
Installation hardware shall include all details including special brackets and
mounting hardware that may be necessary to properly install the instruments.
Brackets and mounting hardware shall be stainless steel.
All mechanical fasteners such as bolts, nuts, screws, cinch anchors, clamps, etc.
shall be stainless steel, unless otherwise specified.
Install level switches, in accordance with distances indicated on the Drawings.
Switches shall be installed in a manner that does not interfere with
unobstructed vertical movement of the float. Switches shall be installed in
normally open position, rising of the float shall cause switch closure.
Install pump-down switches in secondary leachate sumps in accordance with
the operating range specified on the Drawings. Switch mounting hardware
shall be installed to provide a stable, consistent operating range.
SIGNAL WIRING
A.
All signal wiring shall be installed by a qualified electrician or technician, with
minimum 5 years of experience in controls wiring.
Make all wiring connections between the control panels and field
instrumentation. Install signal wiring conduit to right hand bottom of control
panels, power wiring to left hand bottom.
Install Class 1, Division 2 sealing glands at conduit penetrations through
building walls.
Install signal wiring from terminal to terminal with no intermediate splicing.
Tie signal wire ground to panel ground at control panel end only. Tie signal
wire ground for Pump Inhibit signal between panels to CP-1 only.
Loosely coil, securely cap and tape ends of unused signal wire pairs.
[END OF SECTION 16500]
P:\3000s\3066.09\Source Files\Type I] App\Specifications\ Division 16 Specifications\16500 Instrumentation and Controls.docx
File No. 3066.09 Instrumentation and Controls 16500 - 5 of 5 Revised January 2019
