05-11 engineering cost estimate 11-14-05Opinion of Probable Construction Cost (Preliminary)
Project Name: Liberty on Bluff Creek Phase I South of Collector
Date: 11/14/05
Prepared by: Westwood Professional Services
Project Number: 20021024
Based off of Preliminary Plans prepared by Westwood Professional Services, Inc. dated 09/06/05.
CONSULTANT's opinions of probable Construction Cost provided for herein are to be made on the basis of
CONSULTANT's experience and qualifications and represent CONSULTANT's best judgment as an
experienced and qualified professional generally familiar with the industry. However, since CONSULTANT
has no control over the cost of labor, materials, equipment, or services furnished by others, or over the
Contractor's methods of determining prices, or over competitive bidding or market conditions, CONSULTANT
cannot and does not guarantee that proposals, bids, or actual Construction Cost will not vary from opinions of
probable Construction Cost prepared by CONSULTANT. If OWNER wishes greater assurance as to probable
Construction Costs, OWNER shall employ an independent cost estimator.
Note that costs for the collector road and the utilities under the road are not included in this estimate.
Subtotal Grading and Erosion Control $584,014.80
SANITARY SEWER
Connect to Existing Sanitary Sewer
EACH
Estimated
Unit
Total
Description
Unit
Quantity
Price
Price
GRADING AND EROSION CONTROL
L.F.
623
$18.00
$11,214.00
Clearing and Grubbing (P)
A.C.
1.3
$4,000.00
$5,200.00
Common Excavation(EV) (P)
C.Y.
126208
$1.90
$239,795.20
Subgrade Excavation (EV) (P)
C.Y.
48364
$1.90
$91,891.60
Subgrade Correction (EV)
C.Y.
9162
$2.15
$19,698.30
Silt Fence (type regular)
L.F.
4190
$1.75
$7,332.50
Silt Fence (type heavy duty)
L.F.
1310
$2.75
$3,602.50
Rock Construction Entrance Inc. Maint.
EACH
1
$1,700.00
$1,700.00
Temporary Ditching (w/blanket)
L.F.
525
$7.00
$3,675.00
Temporary Pond Outlet Riser
EACH
2
$1,500.00
$3,000.00
Temporary Pond Outlet Pipe
L.F.
210
$20.00
$4,200.00
Seeding & Mulching MNDOT 50B (P)
ACRE
19
$600.00
$11,400.00
Seeding & Mulching MNDOT 15B (P)
ACRE
1
$1,400.00
$1,400.00
Tree Protection Fence
L.F.
525
$2.00
$1,050.00
Modular Block Retaining Wall
S.F.
6669
$23.00
$153,387.00
Straw Wattles
L.F.
210
$5.00
$1,050.00
Re- spread Topsoil (P)
C.Y.
5003
$1.40
$7,004.20
Wood Fiber Blanket (P)
S.Y.
12092
$1.70
$20,556.40
Enkemat (P)
S.Y.
263
$11.00
$2,893.00
Class I Rip Rap
C.Y.
11
$80.00
$880.00
Remove/Dispose of Silt Fence (all types)
L.F.
2814
$0.65
$1,829.10
Remove/Dispose of Temp. Pond Outlet Riser
EACH
2
$500.00
$1,000.00
Remove/Dispose of Temp. Pond Outlet Pipe
L.F.
210
$7.00
$1,470.00
Subtotal Grading and Erosion Control $584,014.80
SANITARY SEWER
Connect to Existing Sanitary Sewer
EACH
2
$4,000.00
$8,000.00
8" PVC SDR 35 Sanitary Sewer (0' -8' Depth)
L.F.
0
$17.00
$0.00
8" PVC SDR 35 Sanitary Sewer (8' -10' Depth)
L.F.
623
$18.00
$11,214.00
8" PVC SDR 35 Sanitary Sewer (10' -12' Depth)
L.F.
426
$22.00
$9,372.00
8" PVC SDR 35 Sanitary Sewer (12' -14' Depth)
L.F.
271
$24.00
$6,504.00
8" PVC SDR 26 Sanitary Sewer (14' -16' Depth)
L.F.
171
$26.00
$4,446.00
8" PVC SDR 26 Sanitary Sewer (16' -18' Depth)
L.F.
93
$29.00
$2,697.00
8" PVC SDR 26 Sanitary Sewer (18' -20' Depth)
L.F.
86
$31.00
$2,666.00
8" PVC SDR 26 Sanitary Sewer (20' -22' Depth)
L.F.
86
$33.00
$2,838.00
8" PVC SDR 26 Sanitary Sewer (22' -24' Depth)
L.F.
86
$36.00
$3,096.00
8" PVC SDR 26 Sanitary Sewer (24' -26' Depth)
L.F.
87
$38.00
$3,306.00
8" DIP Class 52 Sanitary Sewer (all depths)
L.F.
48
$36.00
$1,728.00
Standard 48" Diameter Manhole (0 -8' Depth)
EACH
12
$2,500.00
$30,000.00
Outside Drop Section
EACH
1
$1,500.00
$1,500.00
Drop Riser
V.F.
15
$150.00
$2,250.00
Extra Depth 48" Diameter Manhole
V.F.
81
$125.00
$10,125.00
6 "x 8" PVC SDR 26 Wye
EACH
27
$100.00
$2,700.00
6" PVC SDR 26 Riser Pipe
V.F.
53
$16.00
$848.00
6" PVC SDR 26 Sanitary Sewer Service Pipe
L.F.
1050
$13.50
$14,175.00
6" PVC SDR 26 Bend
EACH
27
$55.00
$1,485.00
05 -11 -08 Standard Cost Form phase Ixls Page 1 of 3 Printed 2/20/2006
Subtotal Sanitary Sewer $131,574.60
WATER MAIN
Remove Plug and Connect to Existing Water Main
EACH
Estimated
Unit
Total
Description
Unit
Quantity
Price
Price
6" PVC SDR 26 Plug
EACH
27
$13.00
$351.00
Trench Stabilization Aggregate (500 # /L.F.)
TON
495
$20.00
$9,900.00
Televise Sanitary Sewer
L.F.
1978
$1.20
$2,373.60
Subtotal Sanitary Sewer $131,574.60
WATER MAIN
Remove Plug and Connect to Existing Water Main
EACH
3
$1,500.00
$4,500.00
4" PVC C -900 DR18 Water Main (All Depths)
L.F.
315
$14.50
$4,567.50
6" PVC C -900 DR18 Water Main (All Depths)
L.F.
1182
$16.00
$18,912.00
8" PVC C -900 DR18 Water Main (All Depths)
L.F.
2310
$18.50
$42,735.00
Hydrant with Auxiliary Valve
EACH
6
$2,750.00
$16,500.00
4" Gate Valve & Box
EACH
6
$650.00
$3,900.00
6" Gate Valve & Box
EACH
27
$800.00
$21,600.00
8" Gate Valve & Box
EACH
3
$1,050.00
$3,150.00
Fittings (Ductile Iron C -153)
LB.
3807
$4.00
$15,228.00
4" Thick Insulation
S.Y.
42
$22.00
$924.00
Irrigation Assembly Riser
EACH
6
$1,200.00
$7,200.00
Subtotal Water Main $139,216.50
STORM SEWER
15" RC Pipe, Class V (all depths)
L.F.
831
$27.50
$22,852.50
18" RC Pipe, Class V (all depths)
L.F.
558
$28.50
$15,903.00
21" RC Pipe, Class IV (all depths)
L.F.
588
$30.00
$17,640.00
24" RC Pipe, Class III (all depths)
L.F.
616
$33.00
$20,328.00
27" RC Pipe, Class III (all depths)
L.F.
564
$37.00
$20,868.00
30" RC Pipe, Class III (all depths)
L.F.
786
$43.00
$33,798.00
33" RC Pipe, Class III (all depths)
L.F.
77
$50.00
$3,850.00
2'x 3" CB
EACH
3
$1,400.00
$4,200.00
48" Diameter CBMH /STMH (0 -8' Depth)
EACH
18
$1,700.00
$30,600.00
54" Diameter CBMH /STMH (0 -8' Depth)
EACH
7
$2,300.00
$16,100.00
60" Diameter CBMH /STMH (0 -8' Depth)
EACH
3
$2,700.00
$8,100.00
Extra Depth 48" Diameter Manhole
V.F.
21
$125.00
$2,625.00
Extra Depth 54" Diameter Manhole
V.F.
11
$175.00
$1,925.00
Extra Depth 60" Diameter Manhole
V.F.
11
$200.00
$2,200.00
48" Diameter Outlet Control Structure (as per detail)
EACH
3
$2,600.00
$7,800.00
4" PVC Draintile (Inc. rock and fabric)
L.F.
2625
$10.00
$26,250.00
Clean Out for Draintile (Inc. WYEs/bends)
EACH
21
$250.00
$5,250.00
4 "x4" PVC WYE for Draintile Service
EACH
26
$50.00
$1,300.00
4" PVC Bend for Draintile Service
EACH
26
$25.00
$650.00
4" DIP Draintile Service
L.F.
1050
$13.00
$13,650.00
4" DIP Plug for Draintile Service
EACH
26
$50.00
$1,300.00
15" RC Flared End Section w/Trash guard
EACH
4
$900.00
$3,600.00
18" RC Flared End Section w/Trash guard
EACH
2
$1,050.00
$2,100.00
27" RC Flared End Section w/Trash guard
EACH
1
$1,600.00
$1,600.00
30" RC Flared End Section w/Trash guard
EACH
4
$1,700.00
$6,800.00
33" RC Flared End Section w/Trash guard
EACH
2
$1,800.00
$3,600.00
05 -11 -08 Standard Cost Form phase Ixls Page 2 of 3 Printed 2/20/2006
Subtotal Storm Sewer $289,794.50
STREETS
Subgrade Preparation (P)
S.Y.
Estimated
Unit
Total
Description
Unit
Quantity
Price
Price
Turf Restoration (Seed and MulchMNDOT 50B)
L. S.
1
$1,200.00
$1,200.00
Class 3 Rip Rap (Type Limestone, incl. filter fabric)
C.Y.
126
$85.00
$10,710.00
Inlet Protection (silt fence and hay bales as per detail)
EACH
5
$105.00
$525.00
Remove/Dispose of Temp. Pond Outlet Riser
EACH
2
$500.00
$1,000.00
Remove/Dispose of Temp. Pond Outlet Pipe
L.F.
210
$7.00
$1,470.00
Subtotal Storm Sewer $289,794.50
STREETS
Subgrade Preparation (P)
S.Y.
19821
$0.70
$13,874.70
24" Thick Select Granular Borrow (P)
S.Y.
19821
$10.00
$198,210.00
3" Minus Crushed Quarry Rock Stabilizing Agg.
TON
2063
$14.00
$28,882.00
6 ", MnDOT 2211, Class 5 Agg. Base, 100% Limestone (P)
S.Y.
11507
$4.25
$48,904.75
12 ", MnDOT 2211, Class 5 Agg. Base, 100% Limestone (P)
S.Y.
5982
$8.00
$47,856.00
Curb Inlet Protection (WIMCO)
EACH
19
$325.00
$6,175.00
Utility Crossings (pipe supplied by others)
EACH
8
$300.00
$2,400.00
Irrigation Crossings
EACH
8
$500.00
$4,000.00
Concrete Curb & Gutter
L.F.
10293
$9.50
$97,783.50
2" MnDOT 2350, LVNW35030B Bit. Base Course (P)
S.Y.
13415
$4.25
$57,013.75
Adjust Manhole Castings
EACH
14
$300.00
$4,200.00
Adjust Gate Valve Castings
EACH
5
$200.00
$1,000.00
Street Cleaning For Wear Course Installation
L. S.
1
$1,500.00
$1,500.00
MnDOT 2357 Tack Coat (P)
GAL
670
$1.60
$1,072.00
1 -1/2" MnDOT 2350, LVWE35030BWear Course (yr XXYO)(P)
S.Y.
13415
$3.50
$46,952.50
5' Wide x 6" Thick Cone. sidewalk inc. 4" Cl. 5, Base
L.F.
4276
$18.00
$76,968.00
8' Wide x 3" Thick Bit. Trail inc. 6" Class 5, Agg Base
L.F.
1415
$13.50
$19,102.50
Boulevard restoration (2 rolls of sod back of curb 36" Min.)
L.F.
10293
$1.30
$13,380.90
Traffic Signs (per post)
EACH
2
$250.00
$500.00
Street Signs (per post)
EACH
5
$250.00
$1,250.00
Patch broken up bituminous (budget item)
S.Y.
709
$12.00
$8,508.00
Remove/Replace broken concrete curb and gutter (budget item)
L.F.
1125
$25.00
$28,125.00
4" Wide White Striping
L.F.
1243
$2.00
$2,486.00
Pedestrian Ramps
EACH
13
$500.00
$6,500.00
Subtotal Streets
SUMMARY
Subtotal Grading and Erosion Control
Subtotal Sanitary Sewer
Subtotal Water Main
Subtotal Storm Sewer
Subtotal Streets
TOTAL
$716,644.60
$584,014.80
$131,574.60
$139,216.50
$289,794.50
$716,644.60
$1,861,245.00
05 -11 -08 Standard Cost Form phase I.xls Page 3 of 3 Printed 2/20/2006