DR9301-CN 911206The City With A Beautiful Future
P. O. Box 478
CoppelI, Texas 75019
214- 462-0022
FAX 214- 393-0948
December 6, 1991
Mr. Walter Skipwith, P.E.
Albert H. Halff Associates
86i6 Northwest Plaza Drive
Dallas, TX 75225
Re: Approved proposals for Engineering Services
Phase I Drainage Improvements
Dear Walter:
Attached please find four executed proposals for the following drainage
improyement projects, as approved by the City Council on November 12, 1991.
1) Brooks Lane - Stage I Partial/Inlets only
Sandy Knoll/Shadowcrest - Stage I and Sandy Knoll/Woodhurst Pavement
3) Meadows Subdivision - Stage I
4) Meadows Subdivision - Stage II
We look forward to working with you and Jean Hansen on these projects.
Please call me if you have any questions.
Acting City Engineer
MSD/bd
c: Gary L. Sieb, Director of Planning and Community Services
Jean Hansen, P.E., Albert H. Halff Associates
DRAINPR
PROPOSAL FOR ENGINEERING SERVICES
CITY OF COPPELL PHASE 1 DRAINAGE IMPROVEMENTS
1008.91.3915
SANDY KNOLL/SHADOWCREST - STAGE I AND
SANDY' KNOLL/¥VOODHURST PAVEMENT
A. Description of Project
Preparation of conslxuction plans and specifications for paving and storm sewer inlets in
front of 510 Shadowcrest Lane, storm sewer diversion at the Stream G6 outfall and replacement
of concrete pavement at the intersection of Sandy Knoll Drive and Woodhurst Drive. This
proposal combines both of the Site J projects shown in Phase ! of the City-Wide Storm Water
Management Plan.
B. Scope of Work
Basic Services
Phase 1 - Survey for Design
· Set Control
· Design Surveys
Phase 2 - Design Services
Prepare construction drawings
Utility conflicts
Inlet design
Diversion design
Pavement design
Update cost estimates for final design
Obtain plan approval from the city I staff meeting (maximum)
1 council meeting (maximum) - additional staff meetings or
property owner coordination will be substituted if a
council meeting is not required.
Prepare construction contracts and specifications
Page 1
PROPOSAL (cont.)
SANDY KNOLL/SHADOWCREST - STAGE I AND
SANDY KNOLL/WOODHURST PAVEMENT
Phase 3 - Easement Documentation
An easement may be required at the diversion into Stream G6.
This task includes the preparation of a legal description and other
easement documentation for one easement. Contacting the property
owner is also included.
Services Not Included in this Contract
Bidding and contract award
Contract administration
Survey for construction
Full time or half time resident construction inspector
Consulting services by others except as noted in the Scope of Work
Filing fees, permit fees and taxes
Certification that work is built in accordance with plans and specifications
Environmental impact assessments
Survey for preparation of record drawings
Printing of plans and specifications over and above those required for city
review.
C. Fee Proposal - Basic Services
Phase 1 - Survey for Design
Phase 2 - Design Services
Construction Plans and Specifications
Phase 3 - Easement Documentation
$2,412.00
$5,041.00
$1,234.00
Total Basic Fee Proposal
$8,687.00
The Basic Fee for the services described above will be based on a lump sum fee of
$8,687.00. The engineering services will be billed monthly or at the completion of each phase,
whichever comes first. The work will be invoiced on an hourly basis of 2.13 times salary costs.
Salary cost as defined by the ASCE Manual and Report on Engineering Practice No. 45 is the
cost of salaries (including sick leave, vacation, holiday and incentive pay) for time directly
chargeable to the project, plus unemployment, excise and payroll taxes and contributions for
social security, employment compensation insurance, retirement, medical and insurance benefits.
Direct costs such as reproduction, sub-consultant services, long distance phone calls, deliveries,
etc. will be billed at 1.10 times cost. Computer charges will be invoiced at 1.0 times cost.
Page 2
PROPOSAL (cont.)
SANDY KNOLL/SHADOWCREST - STAGE I AND
SANDY ICNOLL/WOODHURST PAVEMENT
Phases 1 and 2 can be completed one (1) month from the date of approval of this contract.
Easement documentation (Phase 3) will be scheduled concurrently. It is estimated that the
easement(s) will be completed approximately 2 weeks after the conslruction plans have been
submitted to the city for review. This allows sufficient time to incorporate any city alignment
changes or review comments and coordinate with the property owner.
This proposal will serve as the engineering services contract upon execution in the spaces
below:
Albert H. Halff Associates, Inc.
Title:
Date:
Accepted: City of Coppell
Title:
Date:
Page 3
~I~L~TS
~ME
STAI
-INSTALL 2L4' GRATE INLETS
-iNSTALL 410 L.F. CLASS III 27" RCP
REPLACE ALLEY PAVEMENT
.y'INLET
!lNG
RECONST, RUCT 100'-.
'OODHURST DR.
LLEY GUI
0 100 200 300
SCALE IN FEET
N
FIGURE VII-10
SITE J
SANDY KNOLL DR, &
SHADOWCREST LANE
DRAINAGE iMPROVEMENTS