ST8402-CS 890912DATE:
BY:
Larry Davis, Public Works
Inspector
DENTON TAP ROAD
DENTON TAP ROAD - NORTH
(North of Sandy Lake Road)
Pavement Markings t/~t~/~v, '
Metal Guard Rail on both sides of Bridge
Channel shaping around and under Bridge
Slope work along Park
painting Bridge & Rail
Electrical for Bridge Lights
Install Bridge Lights
Hydro-Mulch Medians & Parkways
30' Dallas Water Main - Lowering
~Lo~er 8" Water for Skaggs - Conflict with Dallas 30"RCP~-L~$~ Install Pull Boxes
Li~e Subgrade 34' width at 30' Water Conflict
Clean-up
DENTON TAP ROAD - SOUTH
(South of Sandy Lake Road)
Topsoil in Median Islands & Parkways
Bridge Railing at Grapevine Creek Bridge
Electrical & Lights on Bridge
Pavement Markings
1-Drive Approach
4-Wheel Chair Ramps
Pull Boxes
Channel Excavation & Slope Work
Metal Guard Rail off ends of Bridge
Hydro-Mulch Medians & Parkways
Clean-up
Additional Brick Pavers on Nest side of Roadway
DTAP
GINN, INC.
September 8, 1989
MEMO TO:
RE:
Russell Doyle, P.E.,
City of Coppell
Monthly Report
CONSULTING ENGINEERS
City Engineer
The following monthly report reflects the current status of each
of the current active projects that we are working on for the
city of Coppell. We have prepared the information in executive
summary form for your convenience. We will be happy to expand on
the information provided for any particular project should you so
desire.
STREET PROJECTS - CIP's
1. Belt Line Road (South)
Construction began March 2, 1987.
Contract completion date September 30, 1988.
As of September 30, 1988: Work is substantially completed.
Final contract amount to date (with Change Orders)
$5,650,587.94
Change Order No. Seven (7) approved by Council on March 28,
1989 Adds $15,627.04 to total contract amount (covers all
electrical work for providing power to the irrigation
controllers).
Contractor has completed the median landscaping, the Change
Order No. Seven (7) items and has hydro-mulched the east
parkway and medians at this time.
A final punch list has been issued to the Contractor.
Contract close-out is in progress. A final walk through was
conducted on August 1, 1989.
Final punch list items are now completed on landscape and
irrigation.
Street Assessment Program - No activity in July.
Calculations for reimbursements to the city for improvements
related to Connell Development and Gateway Park under this
project can now be finalized.
Recommend final payment at this time and maintenance by the
City.
2. Denton TaD Road
Contracts for both segments awarded April 26, 1988 to L.H.
Lacy Co. (total amount $5,151,943.03).
A. BELT LINE TO 8~NDY L~KE 8E~M~NT - construction began
June 15, 1988; anticipated completion July 2, 1989.
Original Estimated Contract Amount including initial $26,000
credit from L.H. Lacy Co. = $3t362,580.00.
17103 Preston Road · Suite 100 · LB 118 · Dallas, Texas 75248 · Phone 214/2484900
SUMMARY OF FIELD CHANGES AND CHANGE ORDERS TO DATE FOR BELT LINE
TO SANDY'LAKE SEGMENT:
Field Change #1 - Reduction in concrete rip-rap quantities;
addition of median openings and left turn lanes. Net Change in
Estimated Contract Amount = ($56,648.29).
Field Change #2 - Repair of existing 12" sanitary sewer (not
agreed to yet). Net Change in Estimated Contract Amount =
$6,240.00.
Field Change #3 - Nullified
Field Change #4 - Adjustment of existing water services (2 at
$800.00/ea). Net Change in Estimated Contract Amount =
$3,200.00.
Field Change #5 - Addition of 8" water valves (2 at $775.00/ea).
Net Change in Estimated Contract Amount = $1,550.00.
Field Change #6 - Nullified
Field Change #7 - Relocation of existing 8" waterline
conflict with storm sewer Line B. Net Change in
Contract Amount = $5,129.00.
to resolve
Estimated
Field Change #8 - Substitution of barrels with metal guard rails
for "move and reset portable concrete traffic barriers". Net
Change in Estimated Contract Amount = $51.00.
Field Change #9 - Addition of 6" water valve (1 at $715.00/ea).
Net Change in Estimated Contract Amount = $715.00.
Field Change #10 - 2" waterline tap on 16" waterline. Net Change
in Estimated Contract Amount = $1,400.00.
Field Change #11 - Addition of storm sewer inlet and lateral A-4a
at Bethel Road. Net Change in Estimated Contract Amount =
$4,425.50.
Field Change #12 - Addition of 2" and 3" PVC conduits for street
lighting and traffic signal installations. Net Change in
Estimated Contract Amount = $2,851.20.
Field Change #13 - Revision of median irrigation layout and
connections. Net Change in Estimated Contract Amount = $3778.49.
Field Change #14 - Tie in drainage system at 500 S. Denton Tap to
project storm sewer. Net Change in Estimated Contract Amount =
$240.00.
Field Change #15 - Additional signage and barricades required for
the June 4, 1989 closure of Denton Tap Road from Belt Line Road
to Bethel Road for installation of the new rubberized railroad
crossing. Estimated net change in Estimated Contract Amount =
$1,050.00.
Subtotal Field Changes to Date ($28,783.59)
Change O~der #1 - Replacement of lime stabilization with cement
modification for paving subgrade treatment. Net Change in
Estimated Contract Amount = ($7,624.10)
Change Order #2 - Re-establishment of lime stabilization in lieu
of cement modification of subgrade soils (Change Order #1) at
original contract unit prices. Net Change in Estimated Contract
Amount = $5,208.50
subtotal Change Orders to Date
($2,415.60)
Total Changes in Estimated
Contract Amount to Date
($31,199.19)(-0.94%)
CURRENT ESTIMATED CONTRACT AMOUNT
$3,330,900.81
B. BANDY LAF~ TO DENTON CREEK BEC~M~NT - construction began
June 15, 1988; anticipated completion July 11, 1989.
Original Estimated Contract Amount including initial
$14,000.00 credit from L.H. Lacy Co. = $1,789,363.03
SUMMARY OF FIELD CHANGES AND CHANGE ORDERS TO DATE FOR SANDY LAKE
TO DENTON CREEK SEGMENT:
Field Change #1 - Revision of property owner names only. Net
Change in Estimated Contract Amount = -0-
Field Change #2 - Special cast-in-place 2-8'x4' reinforced
concrete box culvert in storm sewer Line D at existing 24"
sanitary sewer line crossing. Net Change in Estimated Contract
Amount = $1,500.00.
Field Change #3 - Extra depth 24" drilled shaft from 5'-15'. Net
Change in Estimated Contract Amount = $1,441.78.
Field Change 94 - Extra depth 24" drilled shaft from 15'-25'.
Net Change in Estimated Contract Amount = $401.05.
Field Change #5 - Addition of street lighting and traffic signal
conduits; revision of median irrigation system. Net Change in
Estimated Contract Amount = $5,591.20.
Subtotal Field Changes to Date
$8,934.00
Change Order #1 - Replacement of lime stabilization with cement
modification for paving subgrade treatment. Net Change in
Estimated Contract Amount = ($6,808.00)
Change Order #2 - Added 5 left-turn lanes and 3 median openings
as requested by ABQ Development and Univest Development. Net
Change in Estimated Contract Amount = $52,081.27
Change Order #3 - Nullified Change Order #1 and restored lime
treated subgrade at its original contract unit prices. Net
Change in Estimated Contract Amount = $6,808.00
subtotal Change Orders to Date $52,081.27
Total Changes in Estimated Contract
Amount to Date
$61,015.27(+3.41%)
CURRENT ESTIMATED CONTRACT AMOUNT
$1,850,378.30
C. Total cost of both projects including traffic signals,
street lights, landscaping, and RxR crossing etc. is
approximately $7,200,000.00.
Paving of Stage II, left turn lanes and median openings, is
complete with the exception of the area of Dallas Water
Utilities' 30" waterline relocation just north of Sandy Lake
Road.
Dallas Water Utilities is lowering their 30" waterline on
the east side of Denton Tap north of Sandy Lake Road in
order to clear a conflict with new paving and storm sewer.
This may be completed by the first of October and has
delayed paving in this area. Dallas Water Utilities
commenced lowering their 30" waterline in late August.
As of August 31, 1989, work completed on the Belt Line to
Sandy Lake Road segment was approximately 90% with 116% of
contract time used (60 days beyond contract completion
date). (This month's percent complete may be inaccurate due
to late submission of Applications for Payment by the
Contractor).
As of August 31, 1989, work completed on the Sandy Lake Road
to Denton Creek segment was approximately 92% with 113% of
contract time used (50 days beyond contract completion
date). (This month's percent complete may be inaccurate due
to late submission of Applications for Payment by
Contractor).
A claim for weather delay in the amount of 60 days on each
project has been submitted by the Contractor. Once the
Contractor has submitted detailed information regarding this
claim, Ginn, Inc. will review and comment accordingly.
Street lighting design is 100% complete. TU Electric has
submitted a Contract Agreement to the City of Coppell for
furnishing and installing the street light system. This
item is scheduled to be considered by the City Council at
their September 12, 1989 meeting.
Design of landscape and irrigation system was completed in
May 1989 and is currently being revised for review with
Engineering and Public Works Departments.
Design of the Traffic Signal Installations for the Bethel
School Rd. and Parkway Blvd. intersections and traffic
signal modifications for Sandy Lake Road at Moore Road have
been completed. Bids were received on July 20, 1989. A
contract for this work was awarded to Arjang Electric
Systems, Inc. in the amount of $146,387.00 at the August 8,
1989 City Council meeting. The Contract Agreement and Bonds
have been executed by the Contractor and sent to the City of
Coppell for execution. Arjang has already begun work on the
project' by installing the temporary traffic signal at
Park~way Blvd. prior to the opening of the new High School.
Street Assessment Program - No activity in August.
WATER PROJECTS - REVENUE BONDS
3. 24" Cross-town Water Line
Contract awarded to McLean Construction Co., Killeen, TX, on
December 13, 1988 for the amount of $1,377,797.30.
Issued Notice-to-Proceed with construction to begin on or
before February 13, 1989. 150 calendar day contract.
July 13, 1989 completion date.
As of August 31, 1989: Work is 100% complete and contract
time is expired. Contractor has submitted request for 60
day time extension.
Field Chan~e NQ. 1 - deleted construction of portion of 16"
line on west side of Denton Tap Road at Parkway Blvd. Net
deduction of $26,034.00 from contract amount.
Field Chan~e No. 2 - Per Public Works Dept.'s request, 8"
waterline along Southwestern Blvd. at Grapevine Creek tied
into the 24" Crosstown Waterline to alleviate maintenance
problems at the creek crossing by allowing for the
abandonment of the old 8" waterline. Net deduction
approximately $505.00 from contract amount.
Field Chan~e No. 3 - Relocated butterfly valve at Sta.
156+50 to revised Station 159+50. No chanqe in contract
amount.
Field Chanoe No. 4 - At intersection of Belt Line/Denton
Tap, extend 48" casing pipe 10' west and 23' east to avoid
conflict with traffic signals. Add $3335.00 to contract
amount.
Field Chan~e NO. 5 - Relocate 8" waterline installation at
Moore Road/Carter Drive intersection due to utility
conflicts. Net deduction of $250.00 to contract amount.
Field Chan~e NO. 6 - Fabricate special flanged closure
section, with butt strap connection, handholes, etc. for tie
in to Village Parkway Pump Station contract. ADD $2,775.00
to contract amount.
Field Chanae No, 7 - Provide 8" flush assembly at station at
station 62+63. Add $925.00 to contract amount.
Current opinion of probable total project contract cost is
$1,372,356.80 or $5,440.50 under contract bid amount.
Project substantially completed as of August 25, 1989.
Final walk-through made on August 30, 1989.
e
Ground ~toraae Tank
Contract awarded by Council on August 2, 1988 to Preload
Construction Co., Inc. of Garden City, NY. Contract amount
is $2,088,750.00.
Notice to Proceed issued 8/29/88. 345 calendar day
contract. Contract completion date to be 8/9/89.
Tank is substantially complete.
applied and brick pilasters are
and fencing remain.
Filling and testing of the tank will
Cajun's problems with offsite waterline.
As of August 31, 1989: 100% time
completed.
No change orders to date.
Thorocoat has been re-
complete. Minor site work
be delayed due to
used and 98% work
Pumn Station
Contract awarded December 13, 1988 to Cajun Contractors,
Inc. (2nd low bidder) for contract amount of $2,336,772.00
which includes the assignment of $179,172.00 of Worthington
(Dresser) pumps.
Notice-to-Proceed was issued January 26, 1989. Contract
time is 300 calander days. Contract completion date:
November 22, 1989.
Flood water release has subsided and Contractor is
evaluating damage to bore pits. Off-site pipe laying may
resume by 9/15/89. Pumps and motors have arrived. Interior
finish-out underway. Testing of on-site piping is underway.
Landscaping plan has been approved by Sunbelt and Lake of
Coppell Owners Association. Anticipate bidding of landscape
plan by late September.
As of August 31, 1989: 73% time used and 82% work complete.
Chanae Order No. 1: Approved by City Manager to alleviate
utility conflicts, delete some road bores and accommodate
the re-surfacing of Kimbel Kourt. No change to contract
time or value.
~~__~: Approved by City Manager. This Change
Order was requested by the Building Inspection Department to
install remote electricity service disconnects. Increase in
contract amount: $2,300.00
Chan~e Order #7: Approved by City Council. This change
order was for additional compensation for deeper foundation
piers necessary to reach a suitable footing material. No
change to contract time. Increase in contract amount
$8,434.00.
Total Change Orders to date: $10,734.00 increase.
I,~?SCELL~%NEOUg PRO,YECTS
6. P & Z
Working with staff on as-needed basis.
Current projects are: Shadowridge Estates - Fourth
Increment, Shadowridge Estates - First Increment, University
Park, Meadows Section 6, Shadow Woods Estates Addition,
Oakbend Addition, Country Estates Addition, Connell/Skaggs
drainage, Park West Commerce Center.
7. Parkway Blvd. ¢Citv Hall)
Project design completed. Cost estimates and contracting
options have been submitted to City Engineer on June 13,
1989 for consideration. Ginn, Inc. awaiting further
direction from City Engineer.
8. FloodPlain Administrator
No items last month.
Working with City on as-needed basis.
9. Bethel School Road/Pelican Lane Drainaqe ImProvements
City Council approved funds June 27, 1989. Contract awarded
to SYB Construction Co. for $76,789.00 for construction of
Base Bid items, Site 1, Site 2 and Site 3. No alternatives
were funded. Notice to Proceed - July 17, 1989; 60 calendar
day contract. Need to get executed easements from affected
homeowners filed with Dallas County.
Resolution of Mr. Widener (Lot 15) easement has been
completed.
Project is approximately 86% complete.
Only work remaining is site 3 improvement.
10. WhisDerina Hills Drainaqe Study
Ginn, Inc. received work authorization on June 26, 1989
(280-241-001). Preliminary Engineering study and Report was
submitted on July 14, 1989. We await further action from
the City.
The following projects below need to be authorized by the City
prior to our commencing:
Water Master Plan per the Dallas Contract
Mapping
Thank you for the opportunity to work with the City of Coppell on
these and future projects.
Respectfu~lly submitted,
Consulting Engineer
A note]~rom ~
RUSS DOYLE