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THE DALLAS POST, MARCH 9, 197
Douglas Diehl, second from right, a representative of Roy This is the clarifier tank at D.A.M.A.’s treatment plant. In this
Weston Engineers, explains to authority members Robert tank sediment settles to the bottom in its third p pre of treat-
Dickinson, Chairman R. Spencer Martin Jr. and J. Traver Nobel ment. Don Packer, a Roy Weston representative, stands on the
the process in the second phase of sewage treatment. They are bridge in the background.
standing on a bridge above the contact tank where raw sewage
is aerated and comes in contact with activated sludge.
Robert Dickinson, authority - member, and Merton Jones,
authority solicitor, are in the group beginning an inspection of
the treatment plant. They are shown in the bar screen building,
where raw sewage enters from the sewer main and is screened.
Construction workers are shown as they work onzecycle and
utility pumps in the main control building. <5
This is called the stabilization tank. Sediment is pumped into
this tank from the clarifier. From left to right, J. Traver Nobel,
Merton Jones, Walter Weir, D.A.M.A. members; Doug Diehl,
Weston’s engineer; and D.A.M.A. members R. Spencer Martin
Jr. and Robert Dickinson. Just behind Mr. Weir's shoulder is
Tom Bagley, chief operator of the treatment plant.
Phase 5 in treating sewage is involved with the chlorine tank,
where it is chlorinated and detained for a certain amount of
time. The chlorine tank, in this overall picture, is shown at the
right. When the weather improves, this area will be completely
graded and landscaped.
The sanitary sewer system and secondary
treatment plant of Dallas Area Municipal
Authority was operational by March 2, as
scheduled. )
On March 1, representatives of Roy
Weston, consulting engineers on the project, ; R. Spencer Martin Jr, D.A.M.A. chairman, and Robert
took authority members and other interest- ; Dickinson, authority member, left to right, listen as Doug Diehl,
: ; ai . engineer for Roy Weston, consulting engineers on the Back
ed persons on an inspection trip of the entire Mountain sewer project, explains how pipes weregiyid in the
Treated effluent or liquid from the secondary treatment plant system. ground on Church Street, Dallas Borough, the siZ¢ of pipes,
enters Toby’s Creek at this point. Engineers and environmental- The inspection began at a sewer line in elevation and other pertinent data.
ists state that the water in this small creek will improve almost
100 percent. Before the sewer system was built, raw sewage . Dallas Borough and a number of authority
from a number of sources entered the siream. members went down into a manhole to see
what it was all about. From there, the group
went to the treatment plant, ‘where they
followed each phase in the treatment of
sewage, and inspected facilities.
Those making the inspection tour in-
cluded D.A.M.A. Chairman R. Spencer
Martin Jr. and members, J. Traver Nobel,
Phil VanBlarcom, Robert Dickinson and
Walter Weir, with authority solicitor,
Merton Jones. John Casner, a member, was
unable to be present for the inspection.
Photos by James Kozemchak Sr.
<*— Howard L. Morris, resident representative of construction
services for Roy Weston Engineers, explains to D.A.M.A.
members Philip Van Blarcom and J. Traver Nobel the process
they are inspecting.
The size and depth of one of the manholes, which is a part of the
D.A.M.A. sewer system, is indicated in this picture. Chuck
Barby, Roy Weston representative, stands at the bottom.