Evening star., 1901-09-23
THE SEWER SYSTEM
superintendent MeQomb'sl Annual
Report to the Commissioners.
DETAILS M The CONTRACT WORK
Plans for the Disposal of Sewage
Under the Authority Of Congress.
OUTLET AT MAGAZINE POINT


In his annual report, submitted to the
District Commissioners today, d. f. Nc
Comb, the superintendent of sewers, says
that in cleaning the sewers OF the city dur
ing the past year the amount of street
detritus and sludge removed aggregated
11,T23 cubic yards.
After reporting details of repairs. ETC.. It
is stated that the flashing gates at the out
let end Of Tber sewer were operated
throughout the year with advantage to the
sewer. The large number of boats in the
canal prevents the Improvement of its con-
dition which would otherwise result from
the operations of the flushing gates.
The sewer in 14th street northwest be-
tween r and streets, aggregating S72
feet, was replaced under contract. Sewers
were constructed under contracts in Po-
tomac Park between 26th street and river.
and in 26th street between Water and D
streets; in 18th street northwest between
q and r streets; in s street northwest be-
tween l4th and 10th streets; IN 18TH street
New Hampshire avenue between Corcoran
and Riggs streets.
The main sewer in 10th street northwest
between X and streets and In K street
by Contractor Adam McCandish, under con-
tract, but was not completed.
Suburban Sewers.
Main sewers were constructed under con-
tracts in U street northwest between 1st
street and North Capitol street, in
Brandywine street between 7th and 5th
streets. and in 9TH street between Brandy
wine and Des Moines streets, in T street
hpf nj OF
charged to the appropriation for suburban
sewers, 1869.
The sewer in the valley of Piney Branch
between 9th and Chesapeake and Piney
Branch road and VermilliOn street was
constructed under contract.
Much work was performed under the ap-
preparation for the preparation of detail
ed plans and specifications for sewage. dis
posal complete" The plan of sewage dis
posal contemplates the emptying of all the
District sewerage at Magazine Point, on
the east side of the Potomac, about midway
between this city and Alexandria. The
sewerage will be concentrated at the foot
of New Jersey avenue, where a pumping
station will be erected to lift the refuse
and send it through syphons across the
Anacostia river and through the hills be-
yond. The work accomplished in connec-
tion with this system is detailed as follows:
sewerrSuFvsyS for this sewer. along the
Varieps lines, including. detail surveys Of
portions of the mall. and borings have been
completed. sizes determined, sections de-
siSnedt and5I pfans, profles and estimates
prepaf6n-sss:c : : z.rfs'af ~HE s,o:titaC o.
.,5;i Low Area Trunk Sewer.
Surveys, inclad,ng bsrinpgss,. .hlpaar have been
oemplat ed and plan. profile and estimates
prepared. Tracings, estfma tsso and speci-
fcatibhs for the first section, have been
prepared for contract. The. details Of con-
nac ba ,,y,ip ctat
are NOW being designed. 49,. 50.
Water and L street intercepting sewer
Surveys. including borfngs and studies, for
this sewer via l. and NJ streets have been
mades and the L,street location Is recon-
mended for adoption as the more desirab Bile;
afsossurveys and; behring's for branch lines.
except tfses:branch south in, Canal street
and The bra nch in-Water street.
sFeur: street high. level inter-
ceptangi sewer+Surveys for this sewer, in
Guiding dts extension along b street south
to 18th street west, and including surveys
for the. proposed 18th. street southwest
trunk sewer have been made. A study in
dicates the undesirability of, the 18th street
trunk sewer construction. and 1t Is rec
commended that this project be abandoned.
Rock Creek and B street intercepting
sewer from Virginia avenue. and street
to 21st and Water streets, including bor-
ings, have been completed and plan, pro-
file and estimate prepared. A. -Ei.--e-5a
sey avenue high level intercepting sewer
This outlet section has been designed and
plan, profile, detail drawings and specif-
cations prepared and the construction has
been commenced.
Temporary sewerage pumping station
Plans and specification for the pumping
plant for this section have been prepared
and its construction, under contract with
the Camden iron works, Is now under way.
The pump well, suction conduit and screen
well have been designed and partly con-
structed,
Sewerage disposal pumping station-Gen-
eraI plans and the specifications for the
pumps and machinery have been prepared
for contract. d, The detail plans Of sediment
chamber. conduits and gates are now being
prepared.
siphons Under Anacostia River.
Surveys and borings for the crossing of
the Anacostia river have, been made both
on the line laid down by the sewerage COM
mission and on a line about normal to the
proposed channel lines for the river The
latter, involving the extension OF the out
fall sewer on pile foundation to the estab-
lished bulkhead line, will reduce the length
Of the siphon line from 1850 feet to 1.42S
feet, and is recommended. Plans have been
made for this line.
Outfaal sewer-Surveys for this sewer in
cluding a large amount of detail topogra-
ply, especially over the more rugged por-
made. The topography has been mapped,
the map location made and the lines and
profiles run. In addition surveys of inter-
secting streams and drainage have been
made and plans for passing the streams
and drainage worked out and detail sheets
and estimates therefor prepared
Outlet section at Magazine Point-Surveys
of the shore and channel In the vicinity of
Magazine Point have been made and
mapped and the location of the outlet sec
ton made. <-