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(a) At Pumping Station.

(1) Instrumentation at the pumping station shall be provided to indicate the following variables:

(i) In-Line Booster Stations.

1. Primary control levels.

2. Station discharge flow.

3. Discharge pressure.

4. Suction pressure.

5. Chlorine residual (as applicable).

(ii) Booster Stations with Pumped Storage.

1. Primary control pressures.

2. Station discharge flow.

3. Reservoir influent flow.

4. Discharge pressure.

5. Reservoir level.

6. Chlorine residual (as applicable).

(iii) The above indicating instruments (except the chlorine residual indicator) shall be located at the common pump control and telemetering panels.

(b) At WSSC Control Room.

(1) The following variables shall be telemetered to the control room. Instrumentation shall be indicated as follows:

(i) In-Line Booster Stations.

1. Station Discharge Flow.

A. Indicator.

B. Recorder.

C. Totalizer.

2. Discharge Pressure.

A. Indicator.

B. Recorder.

3. Remote Level.

A. Indicator.

B. Recorder (two pen).

4. Suction Pressure.

A. Indicator.

B. Recorder.

(ii) Booster Stations with Pumped Storage.

1. Station Discharge Flow and Reservoir Influent Flow.

A. Indicator.

B. Recorder (two pen).

C. Totalizer (for discharge flow only).

2. Discharge Pressure.

A. Indicator.

B. Recorder.

3. Remote Pressure.

A. Indicator.

B. Recorder (two pen).

4. Reservoir Level.

A. Indicator.

B. Recorder.

(2) The overall dimensions, appearance and finish of the recorders shall match the existing recorders at the control room. Existing recorders are Bristol and BIF approximately 15 inches wide and 21 inches high with 12-inch nominal diameter charts and with black finish.

(3) Because of space limitations (available vertical panel spaces) at the control room, instrumentation as described above may not be feasible for all future stations. Methods for accommodating the required instrumentation in the space available, like combining more functions in one gauge, have to be considered. (Amended during 2019 codification; 28-ME-DG-02 § 23.12)