Fairfield at Marlborough Rizzo Associates, Inc.
Marlborough, Massachusetts Page 1 of 3
Preliminary Sitework Estimate
360-Unit Layout dated 8/23/04
Description Quantity Unit Unit price Amount
ON-SITE
Sitework
Clear & Grub & Destump 20 ac $6,000 $118,200
Cut Onsite (but reused) cy $3 $0
Fill from On-site (from cut) cy $4 $0
Fill (from off-site) cy $10 $0
Rock Excavation cy $50 $0
Rough Grade sy $2 $0
Erosion Control 2,486 lf $4 $9,944
Utilities
Trench Rock Excavation cy $100 $0
Double Catch-Basin ea $2,200 $0
Regular Catch-Basin 51 ea $1,350 $68,850
Drainage Manhole 45 ea $1,350 $60,750
Stormceptor 5 ea $10,000 $50,000
12" CPP 2,109 ft $20 $42,180
15" CPP 961 ft $22 $21,142
18" CPP 362 ft $25 $9,050
21" CPP ft $28 $0
24" CPP 388 ft $30 $11,640
30" CPP 623 ft $35 $21,805
Basin fencing 1,255 ft $15 $18,825
Basin Outlet Structures 2 ea $2,500 $5,000
Hydrant 8 ea $1,250 $10,000
4" water services 804 ft $20 $16,080
8" CLDI 3,874 ft $40 $154,960
8" Valves 23 ea $80 $1,840
Sewer Manhole 24 ea $1,500 $36,000
6" PVC sewer pipe 834 ft $20 $16,680
8" PVC sewer pipe 2,800 ft $35 $98,000
6" Gas Main (Negotiate with NSTAR) 3,268 ft $40 $130,720
Gas services 473 ft $40 $18,920
Tel/Elec/Ca. Ducts 3,499 lf $75 $262,425
Utility manholes 8 ea $4,000 $32,000
Transformers 10 ea $2,000 $20,000
Site Lighting ea $2,800 $0
Paving and Curbing
Concrete curb 11,101 ft $16 $177,616
Concrete Sidewalk 36,442 sf $4 $145,768
Pavement 28,357 sy $14 $396,998
(31/2" bit conc, 12" Gravel)
Striping 662 spaces $6 $3,972
Miscellaneous
Landscaping 1 allow $200,000 $200,000
Ret. Wall (modular) sf $22 $0
Guardrail 2,456 lf $10 $24,560
Subtotal - On Site $2,183,925
Contingency (15%) $327,589
Total $2,511,514
P/8000/8852/17528028.xls
Fairfield at Marlborough Rizzo Associates, Inc.
Marlborough, Massachusetts Page 2 of 3
Preliminary Sitework Estimate
360-Unit Layout dated 8/23/04
OFF-SITE (Main Access)
Off-Site work (Access Road)
Clear & Grub & Destump 1 ac $6,000 $6,000
Cut Onsite (but reused) 0 cy $3 $0
Fill from Off-site 1,800 cy $8 $14,400
Rough Grade 3,000 sy $3 $9,000
Erosion Control 1,050 lf $4 $4,200
Utilities
Double Catch-Basin 2 ea $2,200 $4,400
Regular Catch-Basin 2 ea $1,350 $2,700
Drainage Manhole 2 ea $1,350 $2,700
Stormceptor 1 ea $10,000 $10,000
12" RCP 650 ft $30 $19,500
R&R Structures 3 ea $50 $150
8" CLDI 500 ft $40 $20,000
8" Valves 2 ea $80 $160
6" Gas Main 500 ft $40 $20,000
Tel/Elec/Ca. Ducts 500 lf $75 $37,500
Paving and Curbing (24' Road)
Bit Berm Curb 1,050 ft $5 $5,250
Pavement 1,600 sy $14 $22,400
(31/2" bit conc, 12" Gravel)
Miscellaneous
Landscaping 1 allow $20,000 $20,000
Steel Arch Bridge 1 ls $300,000 $300,000
Wetlands Replication 1 ls $59,000 $59,000
R&R Lightpole 1 ea $2,500 $2,500
Replace Basin Outlet Structure 1 ea $5,000 $5,000
Sewer Capcity Mitigation Fee 53,856 gl $8 $430,848
Subtotal - Off-Site $995,708
Contingency $149,356
Total $1,145,064
Total, On and Off Site $3,656,578
Say $5,800,000
Not Included:
Buildings
Pool
The on-site retaining wall number is for fill retaining walls only. Ledge retaining walls is accounted
for in the ledge excavation numbers.
This estimate reflects the layout shown on the Grading Plan by Rizzo Assoc.
dated July 12, 2002, revised October 21, 2002.
P/8000/8852/17528028.xls
Trench Trench Trench Area,
Depth Width SF
Drainage 5 4 20.00
Water 6 2 12.00
Sewer 6 3 18.00
Gas 3 2.5 7.50
T/E/C 3 3.5 10.50
Ledge Drain Drain Ledge, Water Water Ledge, Sewer Sewer Ledge, Gas Gas Ledge, T/E/C T/E/C
Area Depth Length CY Length CY Length CY Length CY Length Ledge, CY Total
1 20 40 0.00 225 0.00 0 0.00 145 0.00 130 0.00 0.00
2 0 170 125.93 235 104.44 265 176.67 22 6.11 250 97.22 510.37
3 8 350 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0.00
4 1 230 136.30 230 85.19 210 116.67 175 32.41 270 70.00 440.56
5 14 160 0.00 0 0.00 0 0.00 0 0.00 0 0.00 0.00
6 4 430 63.70 275 40.74 352 78.22 235 0.00 280 0.00 182.67
7 8 290 0.00 295 0.00 270 0.00 235 0.00 265 0.00 0.00
8 0 210 155.56 250 111.11 209 139.33 205 56.94 200 77.78 540.72
9 0 340 251.85 290 128.89 270 180.00 315 87.50 250 97.22 745.46
10 2 535 237.78 530 157.04 400 177.78 295 27.31 410 53.15 653.06
11 17 290 0.00 390 0.00 98 0.00 70 0.00 140 0.00 0.00
12 26 675 0.00 750 0.00 0 0.00 0 0.00 0 0.00 0.00
Lengths 3720 3470 2074 1697 2195
TOTAL 971.11 CY 627.41 868.67 210.28 395.37 3072.83 CY
