HomeMy WebLinkAboutOrdinances (O-84-529)-09/04/1984
I BE IT ORDAINED BY THE CITY COUNCIL, CITY OF COLLEYVILLE, TEXAS:
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ORDINANCE NO. 0-84-529.
the City Council is of the opinion that the current
requirements of residential street specifications are
unacceptable; and,
the City Council is of the opinion a revision of said
specifications would be in the best interest of the
citizens of the City of Colleyville; NOW, THEREFORE,
THAT Section 8-B, parts (1), (2) and (3) be amended to
provide the following specifications for construction of
the specified streets:
"(a)
Six inch (6") thick stabilized subgrade, 6" past
curb line."
(b)
Prime (or cure) coat.
(c)
Five inch (5") thick portland cement concrete,
reinforced with No. 3 reinforcing bars having a
spacing of 24 inches center to center both ways."
THAT Chapter 9 of the Co1leyvi11e Code be amended by
adding to Section 8-B, a part (5) to read as follows:
"(5) All streets and roads shall be assumed to have
poor subgrades which shall be stabilized with lime or
cement at a rate determined by an independent testing
lab, unless and until the developer furnishes actual
test data and performance recommendations prepared by an
independent testing lab sufficient, in the opinion of
the City, to show that the subgrade is of a quality
which does not require stabilization. Such data shall
include, but is not necessarily limited to: Liquid
Limit, Plasticity Index and Percent Passing No. 200
Sieve. Classification of the subgrade for evaluating
the supporting qualities shall generally apply to the
top 12" layer of soil measured down from subgrade
surface. Where other conditions apart from the physical
properties indicate a special problem such as springs or
seepages, drastic material changes from point to point,
etc., appropriate remedies designed by a Registered
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IIATTEST:
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'La ada Johnson
I City Secretary
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Professional Engineer shall be included to correct the
particular condition involved. In all cases, the
requirements set forth in this criteria are mini~um and
the City reserves the right to require further
additional testing (such as California Bearing Ratio),
precautions or treatments consistent with sound
engineering practice when necessary to provide for other
conditions not specifically covered by this criteria."
3. THAT the last two sentences of Chapter 9, Section 8-H(l)
of the Colleyvil1e Code of Ordinances be deleted and a
new Section 8-H(5) be added, to read as follows:
"(5) Item 270 Cem~nt Treateq_ Subgkade
The placement and construction of cement treated
subgrade shall be done in accordance with the applicable
requirements described in Item 270 of the Texas Highway
Department Standard Specifications."
IT IS SO ORDERED.
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public hearing being conducted on the ~ (
, 1984. '11=
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, 1984. //i.(;
public hearing being conducted on the ~
, 1984.
CITY OF COLLEYVILLE
By: .~.c' ~~
Ro ert E. Neely, Ma r
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Legality:
!APprOVed as to Form and
'ik-~
R ss T. kter
City Attorney
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