11. Outside temperature. A heating plant
load is greatly influenced by outside temperature.
Record this temperature for comparison with
steam generated and fuel used. These comparative
values are useful in determining abnormal fuel
consumption and in estimating future require-
12. Makeup water. The quantity of makeup
water used should be recorded. This enables the
operator to note an abnormal increase in makeup
water before a dangerous condition develops.
Return all possible condensate to the boiler plant;
this will save on water and chemicals being used
to treat the water.
13. Water Pressure. Feedwater is most im-
portant to the safe operation of the boiler plant.
The hot-water supply temperature should be
recorded. Insufficiently heated water can cause
scaling or deposits in a boiler.
14. Hot-water supply temperature. Record
the hot-water supply temperature. Insufficiently
heated water can cause scaling or deposits in a
15. Water softeners. Where softeners are
employed, you should keep a meter record to
inform the shift operator of the time when the
units must be regenerated. A decrease in the time
of runs between regeneration is an indicator of
either an increase in hardness of incoming water
or of deterioration of the softening material. The
note columns are for recording total water
softened and pounds of salt added.
16. Totals and averages. Space is provided
for recording total and average quantities per
17. Steam flow. To find the quantity of
steam generated, subtract the steam flowmeter
integrator reading at the start of shift from the
reading at the end of the shift, then multiply the
remainder by the meter constant. Dividing steam
generated by fuel burned (pounds of coal, cubic
feet of gas, or gallons of oil) yields a quantity that
indicates the overall economy obtained. If the
plant does not have a steam flowmeter, pumps
can be calibrated for flow and a record kept of
their operating time, or the condensate and
makeup water can be metered.
18. Boiler feed pump in service. A record of
the boiler feed pump in service makes it possible
to determine appropriate operating hours and to
see that the various pumps are used for equal
lengths of service.
19. Soot blown time and blowdown. A record
of blown time and blowdown is valuable to the
relieving shift operator because it is an indicator
of plant conditions, and it will show irregularities
if any exist.
20. Phosphate, caustic soda, and tannin
added. A record of phosphate, caustic soda,
and tannin used is valuable in keeping correct
boiler water analysis and in determining the total
amount of chemicals used.
21. Remarks. The remarks column is in the
upper right area of the log sheet. List all the equip-
ment that is to be checked each day according to
the schedule listed in TM 5-651. Annotate all the
irregularities that are found in connection with
these inspections. List the dates when the boilers
are drained and washed and at other intervals, as
determined by local water conditions. Indicate the
degree of internal cleanliness.
22. Using personnel. Names of personnel
responsible for these data must be entered in the
appropriate area on the bottom of the log sheet.
When an operator comes on duty, he should
make an operational inspection to ensure that
everything is operating normally. The points to
be checked are as follows:
1. Check the water level in the gauge glass
on each boiler by opening and closing the try
2. Check the low-water cutoffs and the
boiler feed equipment by blowing down the water
columns on each boiler.
3. Check the steam pressure and compare it
with the steam pressure that the plant should
4. Check the boilers for leaks or other
conditions that can affect plant operation.
5. Check for proper operation of the boiler
6. Check the fuel supply and the firing
7. Check the condition of the fires to deter-
mine if they are clean.
8. Check the general appearance of the
boiler room, fixtures, piping, and insulation.
9. Check the boiler room record sheets to
determine if any troubles were encountered by the
previous shift operator.
10. Question the operator being relieved
about plant operation and the troubles en-
11. Check for any verbal or written orders
with which you are to comply.