Lynchburg Virginian. [volume] (Lynchburg [Va.]) 1829-185?, 1830-04-08


the 23d OF August, OF the same year aud th,
water successfully rased into the Reservoir on
the 18th day of JAY. 1929
The Committee have the satisfaction TO pre-
sent herewith deaied Reportol their Eaei.
neeI, Me-. n. stem, giving minute description
of the vafipus parts o the work
JOINS VicroR, ESQ
| Chairman of The Hdiering Committee.
SiR-fhe Water works bsing flushed. so far
AS II Is contemplated II present 10 extend them
! will endeay0ur 10 give you detailed account
OF The work.
The width ofthe Little River, nj he site OF
the Dam, heing 40 net, the bank OF n sandy
| Snii, tue bed coarse gravel, and the depth Of
water. at an average. Two feet. We commenced
oar operations IN 0T,er In fix the foundation
81 the dam with Gearing aud dwelling the
| bottom aeros' The riser, 10 an extent of $50 lret
| In length, and 30 feet in breath After the bot
TOM bud been thas prepared. tho whole space
vas copereI@uh layer of fhscines oil about
feet ~ ih,cknrss, which was secured by an
chor fascines aud stakes a. covered With small
stone and gravel. Upon this layer al tascines,
| $50 feet by 30, II wooden platform was Laid
the cross Sils vi which were 4 feet apart from
centre TO crnhe, aud extended between the IA
butmenr IL feet below The lower line OF the
joan To be united with the tumblng bed This
fou rdatiUu received the wooden frame Of the
dam, made of Two parallnI rows Of white oak
timber, united by diagonal ties. The frame
is loo leedo0g, aud nj notion IS feet III breath.
which breadth was decreased al the upper side.
OF front 81 the dam by steps AT every new lay.
r of timber. SO a. 10 leave II breadth Of o feet
10 inches AT top; the lower side OF the dam ha-
neen carried up perpcndicuar. The layers
OF timber which roust,tue the dam are well
framed aud properly fastened together The,
inside OF the frame has been carefully filled
with stone, aud tnc front aud top covered @ilh
white oak thank. Each end otthe frame OF the
dam rests % feet IN length hgai 81
the abutmrnls, winch nTe 100 feet apart.
aud conGne the OVERALL al the water 10 ton
distance. The hrIghi from the tnnb'mg bed
to the top Of the dam IL 3 Ieel inches. The
Iumbllng bed, which prevents the wai"r from
tearing up The bottom below, is 10 feet d inches
vide, and 100 feet lonE, built ui stone and ilm-
Der down 10 the natural rock.
The stone abaImeuIs extend II feet down
STREAM and 30 feet in The bapk, sunk TO the ma
tura rock, buI, Q leet above the highest know
aaler-mark Above aud below the dam. wing
walls nav been erected 10 Prevent tho wash
ing If the banks anh 10 prevent leakage Of tue
/ alter beneath thr gr, md, under the dam II
,nlic,eul quantity OF clay has breD carried IN
front Of The dam. Vhich has brcn covered with
S one, 10 prevent washing. -ln order 10 pre-
serve the tumbling bed aud foundations " the
oam, the necessary precan1on should ne taken
20 keep the surface Of the wafer below the dam,
always higher than the top Of the tumblIng-
bed.
Tn Canal, or head race which conveys
the wafer from the dam 10 The pump house, IL
% feet wide at the surface OF he water, b tee
" ide at bottom, aud he depth OF water 4
feet OF the dam, aud 3 feet near the pump
! huusa.
The Canal is 400 feet long; tie depth of
! ON onvaiion about ID frst, aud the slope al
| banks IL 2 so that The width ofths Canal al
! the top Is abou 50 feet The ground thrnug
! which the Cana has been carried, IL not iihble
! 10 he overlowed aud therefore the wheel may
sometimes ue imp eded by thr TAI water, aud a
high Good stop II completely, without an Ia
! iury 10 the works. The water enters the Ca.
ull al the dam tlrough CALVERT al o. lee
long, and 81 Sqna,e feet wa er way, which can
be- opened aud shul by two gates
The top oi the cuvcr has been raIsed with
| clay above the highest known "aiermbIk, and
affords d communication from one side ol
the Canal TO The other, Tor horses aud waG-
gons.
The water which comes down the
Canal n ses through IA culver, under the road
affords a waterway of "a square icel, aud Is
provided with , rs es.
The Waste Gate al the side OF the pump
house, thr ,u h which ne water Is discharged
INTO jams River Is 3 feet Wild. AMI WIN the
uppe, ga,es ofiuc culyrrt, near the dam, are
sIur, the water can be drawn of II the b puom
# the Canal tor repairs. The i'rcba} III ioni
1.-THE pnmp house IA Do feet long. aud IL feet
wide aud surrounded ny stone wall. The
bottom ol the forebay has been puddlcd, and
covered win plank aud Is lower than the
openings 10 The Fortbay Chamber IN the pdmp
house, IN order ~ reran the sand which may
come down the Cdnhl.
The pump house II OF stone, 81 feet long,
aud 30 lert wide. Is divided into two apat'
mems, one Tor the pump, aoG Tie other Tor the
water wheel. The pump aud forebay cham
Der IS arched with bick, and kept perfectly
secure from he nelemeucy OF the winter 10y a
stove In front oithe arches platform has
been erected 10 which leads a staircase from
III. floor OF the pump Dom, and on the plat
FORM in fl mt of the water wheel, is pleced The
gearing lorraisug and lowering the gate OF the
wheel. In order 10 use the water IN the most
advantage Jus manner for the breast wheel, II IS
proper 10 divide the tall Of wafer, So that the
/ breas may be as high as possible, aud that 50
/ much only should remain as will be absolutely
/ necessary for the cun-Iructlon Of the race, and
discharge OF The water. WHICH will require a
wheel oil great length and slow motion, and
VIII ich may answer very well, where the desr
! ed velocity Of the Working poInt Is obiahedb ny
! gearing but this regulation ot thu fall, TO oh
tam the greatest mechanical momentum
cannot be applied with ADVANTAGE, where
pumps are worked by crank Oh the AXIS oil
a waer-wheel, as this requires great velocity
ofthe the float boards, in order TO obi III The
required number of strokes aud which also
! enables The wheel TO overcome the rrrgnlarI-
ties of motion by its inertia, or the great qnan
titv Of molion inherent IN IT. la tia. cousl iera
ton. aud guided by local circumstances, We
have taken.
! The beighl of water above the top Of tn'
brrasting, 2 feet 6 III
The height from the top ofthe breast
ing tothe mi Idle OF the first
impng 6oatboad, doc d.
The height from the mnil' OF tho
first impinged 1oatboard to