ST16-01A-CS170406 (2)
Engineer's Opinion of Probable Construction Cost
Belt Line Road (I.H. 635 to Southwestern/Denton Tap)
City of Coppell P. 1008-17-0176
Prepared on April 6, 2017Richardson Office
ItemDescriptionUnitQuantity Unit PriceAmount
Paving Improvements
1Traffic ControlLS1$100,000.00$100,000.00
2Temporary Pavement
2" HMAC (SUPERPAVE MIXTURES SP-C PG70-22)TON2,600$80.00$208,000.00
8" Flexible Base \[FL BS (CMP IN PLACE)(TY A GR 1-
2)(8")\]SY22,400$18.00$403,200.00
AllianceGeo BX 2525 or equivalent geogridSY22,400$2.00$44,800.00
3Remove and Dispose of Existing Concrete PavementSY63,000$5.00$315,000.00
4Furnish and Install Low Profile Barrier (Types 1 and 2)LF8,400$45.00$378,000.00
5Move Low Profile Barrier (Types 1 and 2)LF8,400$10.00$84,000.00
6Prepare Right-of-WayLS1$50,000.00$50,000.00
710" CRCP Street PavingSY89,200$70.00$6,244,000.00
84" HMAC (SUPERPAVE MIXTURES SP-B PG64-22)TON20,100$76.00$1,527,600.00
96" Flexible Base \[FL BS (CMP IN PLC)(TYA GR1-2) (6")\]SY91,300$13.00$1,186,900.00
10Reinforced Concrete Sidewalk PavementSF83,000$6.00$498,000.00
11Barrier Free RampEA80$1,500.00$120,000.00
12Pavement Markings and SignageLS1$20,000.00$20,000.00
SUBTOTAL$11,180,000.00
Drainage Improvements
Drainage Improvements (Limited to Inlet and minimal lateral
reconstruction)
1LS1$410,000.00$410,000.00
SUBTOTAL$410,000.00
Water Improvements
112-inch PVC WaterLF6,300$80.00$504,000.00
216-inch PVC WaterLF700$110.00$77,000.00
30% Allowance for Fittings, Reconnections, Hydrants, Casings,
3etc.LS1$174,000.00$174,000.00
SUBTOTAL$755,000.00
Sanitary Sewer Improvements
112-inch PVC WastewaterLF5,000$85.00$425,000.00
215-inch PVC WastewaterLF3,200$100.00$320,000.00
318-inch PVC WastewaterLF400$120.00$48,000.00
424-inch PVC WastewaterLF1,400$150.00$210,000.00
30% Allowance for Manholes, Reconnections,
Casings, etc.
5LS1$301,000.00$301,000.00
SUBTOTAL$1,304,000.00
Miscellaneous Improvements
1Median Landscape and IrrigationSta84$2,750.00$231,000.00
2Median Tree Removal and ReplacementEA65$5,000.00$325,000.00
3Parkway Sodding including Top SoilLS1$90,000.00$90,000.00
4Median Monument signLS1$20,000.00$20,000.00
4Street lights & foundationsEA50$5,500.00$275,000.00
5Street lights condiut and conductorsLF10,080$12.00$120,960.00
6Temporary Span Wire Traffic SignalEA7$60,000.00$420,000.00
7Permanent Mast Arm Traffic SignalEA2$125,000.00$250,000.00
SUBTOTAL$1,731,960.00
Mobilization
Mobilization (5% of Construction Improvements)
1LS1$769,000.00$769,000.00
SUBTOTAL$769,000.00
SUMMARY
Paving Improvements$11,180,000.00
Drainage Improvements$410,000.00
Water Improvements$755,000.00
Sanitary Sewer Improvements$1,304,000.00
Miscellaneous Improvements$1,731,960.00
Mobilization$769,000.00
SUBTOTAL$16,149,960.00
SUBTOTAL (Rounded -3)$16,150,000.00
CONTINGENCIES (20%)$3,230,000.00
CONSTRUCTION TOTAL$19,380,000.00
This statement was prepared utilizing standard cost estimation practices, and is not based on actual costs or bids for this project. It is
understood and agreed that this is an estimate only, and that Halff shall not be liable to the Owner or to a third party for any failure to
accurately estimate the cost of the project, or any part thereof.
Printed onHalff Associates, Inc.Page 1 of 1
4/6/2017File name: Belt Line OPCC.xlsx