ST9302-CS 971117 817 335 50?0
MOV 17 '97 10:53AM KIMLF~-HORM FT WORTH
]IKlmle/-Hom
~ Associetet Ir~,
P. 1/4
910 Collier $tre~t
Port War, h, TX 76 10~
817 335 6511
Sl~ 335 5070
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E,ginee~g This facsimile is intentlevi only for the a~ltessee fiemeal heroin an~i my contain information that is conliden~iaL If you ere not
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MO~/'~'7 'cjT' 'lI~:'54AM I~i~E~'~H~)~'I~F' ~G~YA''='~'''~
P.~/4
The Glty With A Beautiful Future
Jun satt~, P=oj~c F.~ineer
Development Se. rvicesRclocorioes
City of Dallas Water Utilities
320 E. Jefferson, Room 218
-Dallu, TX 7~203
P,O. BOx
Col)pall. Tex~ 7501
214-482-0022
# ST 93-02
Re: Sandy Lake Road Project
2, 1997
-xiginal contract with Rady (Kimley .Horn) did not anticipate designinS 10160 fe~ of ~1~ 30" water line. This(.
current d~sisrn includes not only ~ Ule pipe lilt also the air release valves, gate valves and abandoning
· e xistins ai= in pz .= ,, le m so-e,
--~ hate m complete edesigu with a new alignment. The exact woniizg in ou~'/~'as caveethan Scope of
Services B, Phase Two, Pre]tm;,mry Deslea le ~ sates "Dctezzniuc impset of street grades ted storm drain
'.=nprovemcnts on 30" water line. Develop ticsinn to lower selments of the 30" to avoid conflicts. Review
l~atlon of and impact tha: the relocation of 30" line has on air/vactium release valves. Drsern~ne new location
/ of air/vacuum valve riser pipe and poseable vault around valve and pipe" (copy enclosed)..
I ~ve asked Ktmley Horn to provide me infernation on what me initial lootage+ to be lowered was. Based on
/ L, tformstion from Kim~ey Horn, the initial deign of Sandy Lake showed lowering 5,372 feet of 30" water pipe.
It was anticipated that the water line would be lowered Sencrstly in the same location. The desiZn for that
t,~werina wu substantially less detailed than the =urrent design. Kimley Horn has prescnted the City with a
. p;oposed revt81 ur comzgt for the design of ~c water line. The requested revision to the Contract
~ - ~, ~e . I arn unsure if Kimley Horn has taken into account the wordin8 in our orilliut contract
"'The scope of the 30" wZ'ter line t~>werhal hu inapproy .. ' i
ctcued from ximate~ 5 372 feet to 10 160 fe,~,wh~tc~t s
a~ increase of 4,~88 linear feet. If you assure: that It was anticipated on the front end that the~ wou be
, I~werir~ approximately 5,372 fe~t that equates t~ tspproxlmstcl~ 53 · of the total now lging adjusted. erefore,
] sm proposing th-t the City of Dallas, via the int~docal agreement, cram'nit to paying 47~t of ~c proposed
r~'visions to the contract between the City of Coppell and X~lmtey Horn. That equates to $77,550.
Rease respond as soon u possible as to Dallu' posir, ion on this proposal so that we can finstile the Interlocal
!Agreemen= and move forwgrd wi0t mia project in i998.
I~' ~you ~o~ld have any questions plea.~ reel free to contact me at your Convenience.
Sincerely,
Ke,nnet~ M. Griffin, P.E.
Director el Eng~.,'~n$ sad Public WorkS
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