ST0702-EM070705>angine�r!s Opinion
w
City of Coppell, Texas
of Probable '
outb CoppelIRdImprovements
" Caiistruetio.Cost
FREESP *
Nt HOLS
Conceptuat Cost Estimate
I2eipiioai�,'
Qumttity
,I7i�it ,:
UnituAG,=
�TotCost
UNIT L GENERAL.
I -1
Mobilization (5 %)
1
LS
$47,600.00
$47,600.00
I -2
Preparing Right -of -Way (3 %)
1
LS
$28,600.00
$28,600.00
I -3
Unclassified Excavation (Roadway)
4,640
CY
$8.00
$37,120.00
I -4
Remove Existing Asphalt
5,340
SY
$6.00
$32,040.00
I -5
Embankment
4,640
CY
$9.00
$41,760.00
I -6
Clearing and Grubbing
4.13
AC
$2,500.001
$10,325.00
1 -7
Stockpile and Spread 4 -Inch Depth Topsoil
2,000
SY
$1.50
$3,000.00
I -8
Bermuda Hydro mulch Seeding (Including Fertilizer & Water)
2,000
SY
$0.50
$1,000.00
I -9
Temporary Erosion, Sediment & Water Pollution Control
1
LS
$23,000.00
$23,000.00
1 -10
Prepare and Implement Traffic Control
9
MON
$2,500.00
$22,500.00
1 -11
1 Remove Existing 8" and 2" Waterline
3,980
LF
$7.00
$27,860.00
Category Total
$274,805,00
UNIT H: PAVING
IMPROVEMENTS
H -1
8" Lime Stabilized Subgrade
12,340
SY
$3.00
$37,020.00
H -2
Lime for Stabilization (50lbs /SY)
310
TON
$130.00
$40,300.00
II -3
8" Concrete Pavement Class "C" (71'13-13, TYP)
11,890
SY
$40.00
$475,600.00
1I -4
6" Concrete Pavement Class "C" Driveways
225
SY
$55.00
$12,375.00
H -5
Type IMonolithic Curb
4,200
LF
$1.00
$4,200.00
H -6
4" Concrete Sidewalk (5 feet wide Sidewalk)
20,000
SF
$3.50
$70,000.00
II -7
Sidewalk Ramp
14
EA
$1,000.00
$14,000.00
H -8
Pavement Markings
10,000
LF
$1.50
$15,000.00
II -9
Temporary Asphalt
320
TON
$100.00
$32,000.00
UNIT III
DRAINAGE
IMPROVEMENTS
III -1
10' Recessed Curb Inlet
6
EA
$2,850.00
$17,100.00
III -2
21" RCP (C1assM)
500
LF
$65.00
$32,500.00
111 -3
27" RCP (Class 111)
200
LF
$85.00
$17,000.00
III -5
4x4 Junction Box Manhole
1
EA
$3,000.00
$3,000.00
III -6
Trench Safety System for Trench Depth over 5 -FT
700
LF
$1.50
$1,050.00
Category Total 17
$70,650.04
UNIT Vi : LANDSCAPE
AND IRRIGATION IMPROVEMENTS
vI -1
Large Canopy Trees (minimum 4" cal installation)
10
EA
$500.00
$5,000.00
VI -2
Irrigation Appurtenances
1
LS
$5,000.00
$5,000.00
Category Total
"$10,1)00.00
Subtotal
$1,056,000.00
Construction Contingency
20%
$211,200.00
Total Construction Cost Estimate
$1,267,200.00