HomeMy WebLinkAboutCost Estimate PEBBLE CREEK, PHASE 911
MBESI PROJ#: 1065-0012
Engineer's Estimate of Construction Costs
December 10,2007
Item# Description Unit Quantity Unit Price Total
Paving Construction
1 Clearing and Grubbing(right-of-ways only) Ac. 1.5 1,500.00 2,250
2 Earthwork C.Y. 1,660 7.50 12,450
3 6"Lime Stabilized Subgrade(6%by weight) S.Y. 4,193 3.6 15,095
4 6"Crushed Limestone Base S.Y. 834 8.35 6,964
5 8"Crushed Limestone Base S.Y. _ 2,512 10.25 25,748
6 2"HMAC Surface Course(including prime coat) S.Y. _ 3,347 10.00 33,470
7 Concrete Curb and Gutter(all types) L.F. _ 1,576 10.25 16,154
8 6"Reinforced Concrete Pavement S.Y. _ 85 39.00 3,315
9 4"Reinforced Concrete Sidewalk S.F. 7,450 3.50 26,075
10 Colored Sidewalk Ramps EACH 2 615.00 1,230
Paving Subtotal $142,751
Drainage System Construction
11 18"HDPE Pipe,(ADS,N-12 or approved equal w/water- L.F. 73 40.00 2,920
tight joints)
12 24"HDPE Pipe,(ADS,N-12 or approved equal w/water- L.F. 231 48.00 11,088
tight joints)
13 30"HDPE Pipe,(ADS,N-12 or approved equal w/water- L.F. 66 54.00 3,564
tight joints)
14 48"RCP(ASTM C-76,Cl.III),Str.Backfill L.F. 138 185.00 25,530
15 48"RCP(ASTM C-76,Cl.III),Non-Str.Backfill L.F. 85 180.00 15,300
16 Standard 5'Recessed Inlet EACH 5 2,750.00 13,750
17 Standard Junction Box EACH 2 3,000.00 6,000
18 48"RCP 4:1 Sloped Headwall EACH 6 2,000.00 12,000
19 RIPRAP Channel Lining on 700x Mirafi Fabric S.Y. 47 60.00 2,820
Drainage System Subtotal $92,972
Water System Construction
20 8"PVC,C909 Cl 200,Water Line,Str.Backfill L.F. 216 32.00 6,912
21 8"PVC,C909 Cl 200,Water Line,Non-Str.Backfill L.F. 566 21.00 11,886
22 3"PVC, Water Line,Str.Backfill L.F. 90 16.00 1,440
23 3"PVC,Water Line,Non-Str.Backfill L.F. 102 12.00 1,224
24 Fire Hydrant Assembly EACH 1 2,700.00 2,700
25 8"x8"M.J.Tee EACH 2 450.00 900
26 8"x3"M.J.Reducer EACH 1 250.00 250
27 8"M.J. Gate Valve EACH 4 900.00 3,600
28 8"x13"M.J.Anchor Coupling EACH 5 225.00 1,125
29 8"x45 deg.Bend EACH 8 325.00 2,600
30 2"Blow Off Valve Assembly EACH 1 800.00 800
31 16"PVC Casing and Spacers L.F. 20 80.00 1,600
32 Water Service, 1.5"type K Copper,short side(<20') EACH 1 750.00 750
33 Water Service, 1"type K Copper,short side(<20') EACH 2 600.00 1,200
34 Water Service, 1.5"type K Copper,long side(>20') EACH 4 1,600.00 6,400
Water System Subtotal $43,387
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PEBBLE CREEK,PHASE 911
MBESI PROJ#: 1065-0012
Engineer's Estimate of Construction Costs
December 10,2007
Item# Description Unit Quantity Unit Price Total
Sewer System Construction
35 6"PVC,D-3034 SDR 26 L.F. 730 7.00 5,110
36 6"PVC,D-2241 SDR 26 L.F. 40 7.00 280
37 Str.Backfill(5'-8'Depth) L.F. 149 26.00 3,874
38 Str.Backfill(8'-10'Depth) L.F. 315 30.00 9,450
39 Non-Str.Backfill(8'-10'Depth) L.F. 306 18.00 5,508
40 Standard Manhole,0-6 ft.deep EACH 4 2,000.00 8,000
41 Adjust Elevation of Existing Manhole V.F. 2.9 250.00 725
42 Extra Depth for Manhole V.F. 14.0 250.00 3,500
43 Short Side 4"Sewer Service(<20') EACH 4 550.00 2,200
44 Long Side 4"Sewer Service(>20') EACH 4 1,400.00 5,600
45 Trench Safety(sewer) L.F. 770 1.00 770
Sewer System Subtotal $45,017
Erosion Control Construction
Erosion Control Plan&Sedimentation Control(per Item
46 106)(includes silt fencing,construction exits,straw bale L.S. 1 15,000.00 15,000
barriers,inlet protection,grass seeding,and any other
sedimentation control devices)
Erosion Control Subtotal $15,000
Total Construction Cost I $339,127
The above construction estimate is based on the engineer's preliminary opinion of probable construction costs. This
estimate constitutes our best judgment at this time. Please note that the engineer does not have any control over contractor
or supplier workloads and the degree to which inflation may affect project costs between now and the bid date. During
construction,additional features may become apparent as the work progresses,which will result in an increase in cost.
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