Item No.
Requirement
Compilation
Equipped with hand winches, sheaves, and
other necessary equipment for raising and
lowering the collapsible A frames and for
placing or removing dam sections. Lower
emergency dam: Type: Structural steel
A-frame bents with legs provided with cast-
steel bases fitting into castings embedded
in lower miter sill. Three 6-in. timber
needles on 3 on 12 slope. Operated by:
Same derricks provided for upper emergency
dam.
19
Give the following data for filling and emptying cul-
verts or sluices:
a. Number and location. (Indicate whether cul-
a.
Two culverts (1 on each side), located at
verts are in sides or in bottom of lock cham-
bottom of lock walls. Same culverts are
ber.)
used for both filling and emptying. Intake
and discharge ports are all in the lock walls.
The number of ports is not indicated.
b. Size and shape.
b.
Both culverts are 12 by 12 ft.
20
Give the following data for each type of culvert gates
or valves:
a. Number and type. (Indicate whether radial,
a.
One filling and 1 drain valve in each cul-
sliding, or valve type and means used to oper-
vert (total 4 valves). All are structural
ate gates.)
steel segmental (radial) valves, hydraulic-
ally operated.
b. Location. (Indicate whether gates are at upper
b.
All 4 are located in recesses behind the miter
or lower end of culverts, or at some point in
gates.
between.)
c. Size and shape of culvert gates or valves.
c.
Height along chord: 15 ft; width between
side seals: 11.8 ft; radius, skin plate to
pivot: 16 ft; depth: 3 ft at center, 13 ft;
at top and bottom.
21
Give times required to fill and empty lock chamber.
Estimated lockage time is 28 min.
22
Any information pertinent to the major subject which
a. Space is provided for a future 60- by 360-
would not logically be included with any of the
foot lock.
items previously listed.
b. Minimum reservoir level to maintain nav-
igation: elevation 408 ft.
23
Source or sources of data. If different for various
a. "The Pickwick Landing Project, Technical
items, list numbers in groups corresponding to the
Report No. 3," prepared by the Tennessee
source.
Valley Authority (TVA) 1941. All items
were extracted from this book except that
noted in item b below.
b. "Engineering Data, Tennessee Valley Au-
thority Projects, Technical Monograph No.
55," prepared by TVA, March 1948. Item
14 was extracted from this book.
24
Reliability of the source or source data.
Completely reliable.
25
Accuracy of data.
Probably true.
26
Agency or unit preparing the compilation.
Military Hydrology Branch, Washington Dis-
trict CE.
27
Inclose pictures, maps and drawings depicting the
a. Pickwick Landing dam: plan, elevation, and
location and other features of the major items.
sections (fig. 12), from item 23 a (bound
with "Dams and Reservoirs").
b. Pickwick Landing dam navigation lock plan,
elevation, and sections, (fig. 25), from item
23a.
28
Date compilation was prepared.
5 Oct. 1953.
AGO 3898A
39
