EP 1110-2-9
31 Jul 94
E-9. Development of Guidance for Hydroelectric
(1) Review operating guidance determined in above
Operations
paragraphs.
(2) Review staffing, travel conditions, and timing for
The design of the hydro plant for the project and the
dam tenders with project personnel. Visit project if
nature of the hydroelectric system involved will determine
necessary.
how the project is to be operated for power production, so
additional hydrologic engineering studies for the water
(3) Prepare procedures for non-guided operation:
control plan may not be extensive. Possible items:
(1) rate-of-change restriction studies, including possible
(a) Staffing requirements.
river fluctuation studies; (2) block-loading schedules;
(3) plant characteristic charts; and (4) unit operating pro-
(b) Data gathering; project monitoring.
cedures. Refer to EM 1110-2-1701.
(c) Determination of outflows.
a. Identify need for guidance. (See Paragraph E-8,
above.)
(d) Alert procedures.
b. Perform analysis. (Refer to Paragraphs F-4 and
E-8. Develop Guidance for Conservation
F-5 in Appendix F for details.)
Operation
c. Prepare material for Water Control Manual.
Although not as critical as flood operation guidance
(Refer to Paragraph E-11, below.)
because timing and possible emergency conditions are not
E-10. Develop Drought Contingency Plan
as problematic, there may be special procedures which are
required for low-flow operations. Examples might be
If the project has a water conservation operating objective,
(1) procedures for determining instream flow releases as a
then a Drought Contingency Plan is required in the Water
function of reservoir status, and (2) municipal and indus-
Control Manual. Reference is made to ER 1110-2-1941.
trial release schedules, etc. This activity might be a part
of the Drought Contingency Plan studies, Paragraph E-10.
E-11. Prepare Water Control Plan and Manual
a. Determine need for guidance.
The final step in the water control management study is
the documentation of the plan of operation in the water
(1) Review studies used for project formulation and
control manual. If the plan that has been developed rep-
design.
resents a significant change in operation from previous
operational policy, then public coordination is required if
(2) Review historic records; select drought periods
it hasn't already taken place. Refer to ETL 1110-2-251.
for examination.
a. Ascertain need for public meeting on Water Con-
(3) Consult with affected agencies/parties.
trol Plan. (Refer to WRDA 90, Sec. 3106.) Prepare
materials and hold meeting if required.
(4) Decide on need for further analysis and need for
special guidance.
b. If meeting is required, prepare briefing material
and hold meeting.
b. Perform hydrologic study as required, using mod-
els or manual procedures. (Refer to Paragraphs F-4
(1) Decide on presentations to be made.
and F-5 in Appendix F for details.)
(2) Review studies, availability of briefing material.
c. Test guidance on varying hydrologic conditions,
considering real-time conditions such as forecasting accu-
(3) Prepare new visual aids as necessary.
racy or slippage in implementing actions.
(4) Hold meeting.
d. Prepare plots, narrative description for water con-
trol manual. (Refer to Paragraph E-11, below.)
E-5
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