Repository: UIHistories Project: Board of Trustees Minutes - 1938 [PAGE 202]

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BOARD OF TRUSTEES This amount includes the credit for the omission of the vento heaters, duct work, casing, etc. called for in the original contract specifications. Change Order No. 7 For substituting constant speed motors in place of variable speed motors as specified for the ventilating system, deduct the sum of

[March 9

$850 00

IV. Heating Contract Change Order No. 8 Furnish and install an Integrating and Recording Steam Flow Meter in accordance with the following specification: Steam flow meter One (i) Republic Type " E " Recording and Integrating Steam Flow Meter complete for 6* pipe. The equipment furnished with this meter shall include—One (i) six inch (6") orifice, one (i) pair of condensers, valves and nipples, copper tubing and fittings, one (i) type " B " meter body with mercury and oil, brackets for mounting, one (i) 2 4 ' x 16' steel panel on which the recorder and integrator shall be mounted, one hundred (100) evenly graduated charts, one (1) ounce bottle of ink. An electrical clock movement shall be included. Electric current for operating the meter will be one hundred ten (110) volts, sixty (60) cycle, alternating current. The various parts that make up the flow meter shall be installed in accordance with manufacturer's recommendations and specifications. Maximum steam pressure to which meter will be subjected is one hundred fifty (150) lbs. Installation Install the orifice plate between a pair of flanges in the six inch (6*) high pressure steam line where it enters Mechanical Equipment Room No. 1 from the Research Hospital Building and from either side of the orifice plate rough-in three eighth inch (H") pressure pipe lines to the meter body containing the Mercury " U " tube. The meter body containing the Mercury " U " tube shall be mounted on the north face of column C/9 as directed. Steel panel with the Recording and Integrating portion of the meter shall be mounted on north wall of Mechanical Equipment Room No. 1 just to the east of column C/8 as directed. All electrical wiring connections between meter units and service connection shall be run in conduit. All exposed metal parts shall be painted as directed. Painting Specifications of the original contract specifications shall apply to this work. As per proposal dated December 10, 1936, add Furnish and install a Crane No. 504 gate valve in the vertical section of the 6" high pressure steam line at tunnel entrance in Mechanical Equipment Room No. 1. As per proposal dated December 10, 1936, add Change Order No. 9 For furnishing and roughing in one pair of $4" temperature control pipe risers between Mechanical Equipment Room No. 1 and Surgical Amphitheatre No. 412 for future air conditioning equipment, add the sum of For furnishing and delivering to the Ventilating Contractor one automatic louvre damper 24" x 48" in lieu of the 33* x 2 7 ' damper originally specified, add the sum of Total Additions For omitting the erection and connection of the Vento Heaters shown on original drawings for Fan System No. I, deduct the sum of

$662 05

144 14 $806 19

55 00 47 00 $102 00 92 00