SS9301-CS 920701 (2) GINN & CASE, INC. CONSULTING ENGINEERS
July 1, 1992
Mr. Steve G~u'n
Directorjd Public Works "
' City o,,f/Coppell JUL - 7 1992
i P.O//Box 478 ........
' C_,gppell, Texas 75019 By: Eh,:';,"
"'- RE: Ginn & Case, Inc. Invoices
Dear Steve:
The following information is presented as a supplement to our conversation
this date. The numbers correlate to the phase numbers on our invoice.
106 Design Fees:
This represents 85% of the basic Engineering fees. The amount of $143,400 is
computed at 6.7% of the estimated construction cost of $2,518,000 times 85%.
Tiffs amount is an estimate at this time and will be computed up or down based
{)la the actual construction cost of the project. This itern was 60% complete at
the time of the invoice ($86,040).
107 Contract Administration:
This represents 15% of the basic Engineering fees. The amount of $25,300 is
computed at 6.7% of the estimated construction cost of $2,518,000 times 15%.
This amount will also be adjusted up or down based on the actual construction
cost.
108 Inspection Fees_.'
This represents fees for project observation during the construction phase. The
amount of $75,500 is computed at 3% of the construction cost. It will be
adjusted up or down based on the actual cost of construction.
17103 Preston Road · Suite l00 · Dallas, Texas75248 · Phone 214/248-4900
P.O. Box 796577 · Dallas, Texas 75379-6577 · FAX 214/931-1452
Mr. Steve Goram
7/7/92
Page 2
260 Easemenis and R.O.W.: ,
This amount is computed o,~ an hourly rate based on the actual time required in
preparation and meetings regarding the acquisition of the required easements
and R.O.W.
281 Revenue Bond/Eng. Ct.:
This amount of $880 represents the amount of time required to prepare an
Engineering Certificate and Casl: Flow projection requested by the City on May
9, and 10, 1991.
282 Mud Districl:
This amount of $240 represents the amount of time required to prepare
documents to present to th,~ Coppell Mud District. This work was performed in
May, 1991.
283 CII' Issues:
This amount of $1,080 represents the mnount of time required to prepare and
meet with City staff regarding the funding of the project. This work was
accomplished on November 18. and 19, 1991.
284 Alt Creek Boltom:
This amount of $35,800 fces is computed at 7.4% of the estimated construction
cost of $612,000 for the Creek Bottom alignment times 85% for basic design
times 93% completion (when design was halted). (It does not.include additional
time required to research and prepare cost estimates of all the erosion control,
Creek stabilization, Gabion placement, etc.)
601 Survey:
This amount is the actual an;ount requi,'ed for the original alignment, the Creek
alignment, and the Bethel R(;ad alig,~ment. These are pass through costs.
604 Geotechnical:
This is the actual amount required for the original alignment, Creek alignment,
and the Bethel Road alignment. These are pass througl'~ costs.
Mr. Steve Goram
· 7/7/'92
Page 3
610 Abstract Title:
This is the amount for title work regarding the condemnations of Lots 8/9. This
is a pass through cost.
650 Printing:
This is a pass through cost. It was primarily for printing of additional sets of
plans for submitted to various utility companies and DART.
Steve, we trust that this additional information helps clarify any current
invoices. All of the bills are in strict accordance with our Engineering contract. We
will be happy to meet with you, Mr. Trantlo and Mr. Griffin to discuss this matter in
order that future i,~voices can be processed in a timely manner.
Yours truly,
It. Wayne Ginn, P.E.
HWG:sb
cc: File Mr. Trando
Mr. Griffin