HomeMy WebLinkAboutWPO201800020 Bond Estimates 2018-10-18 (2)Project Name: Keswick Hall Additions and Site Improvements VSMP - WP0201800020
WPO file number: WP0201800020
Stormwater Management Plan Bond Estimate
Date Estimate Completed: 10/18/18
Stormwater Management Bond Estimate
Item Item
No. Unit
Unit Cost
Number
installed
1 permanent diversion or ditch
0 ft
$13.00
$0.00
permeable pavement (typ.)
Estim. based upon dewberry estimate /permeable pavers: WP0201700073
materials
26568.1 sf
$22.00
$584,496.00
26,568 sf based upon 164 parking spaces @ 9' x 18' - see plans
earthwork (based on typ 3.15' paver section)
& 3099.6 cy
$13.00
$40,294.80
labor, -25% material /delivery
Is
$146,124.00
LF 72" CMP Detention Pip
r200
Esfim.based upon 7/19/18 email w/ConTech estim., WP0201800040
materials
2001 If
$172.00
$34,400.00
WP0201800040: $27.5k material /delivery, excluding labor, for:
earthwork (based on bottom elev.=416.25, proposed grade (best guess)=427.25'±); Ave. trench w = 19.1'
848 cy
$13.00
$11,035.56
160 LF 66" DIA UG Detention, including Manway Access
labor, -25% material /delivery
8600. Is
- $8,600.00
190 LF 60" CMP Detention Pipe
(...see Notes a.,b.,c. for SWM - 1 above; source estimate)
materials
1 90.j
If
$172.00
$32,680.00
(WP0201800040 estimate w/email to county: 7/19/2018 12:41 PM)
earthwork (based on bottom elev. =440', proposed /Ex. grade=453'±); Ave. trench w = 18.8'
926.
cy
$13.00
$12,038.96
(Labor: estimate 0.25 x material /delivery)
labor, -25% material /delivery
8170.
Is
- $8,170.00
earthwork for traps/basins (bioretention)
height of dam at toe
0 ft
cut at high side
0 ft
height of fill at face
0 ft
cut at face
0 ft
length of dam
0 ft
length of cut
0 ft
top width
0 ft
width of cut
0 ft
(area above transition)
0 sf
(area below transition
0 sf
(total width of dam)
0 ft
(total width of cut)
0 ft
(height below transition)
0 ft
(depth below transitio
0 ft
(area below transition)
0 sf
(area above transitior
0 sf
`Earthwork includes all bioretention facilities (total fill volume)
0.0 cy
(total cut volume)
753.7 cy
length of spillway
0 ft
(TOAL CY estimate)
754 cy
$13.00
$9,802.00
width of spillway
0 ft
(spillway stone tons)
0 tons
$50.00
$0.00
structures for basin (BIOFILTER 2)
riser height
6.5 ft
riser diameter
24 in
(riser unit price)
$50.00
$325.00
barrel length
62.5 ft
base plate or fdn
1
$200
$200
barrel diameter
15 in
(barrel unit price)
$35.00
$2,187.50
outfall -pipe end section
0 each $500.00
$0.00
structures for basin (BIOFILTER 3)
riser height
4.5 ft
Cost
10/18/2018
Project Name: Keswick Hall Additions and Site Improvements VSMP - WP0201800020
WPO file number: WP0201800020
Stormwater Management Plan Bond Estimate
Date Estimate Completed: 10/18/18
Stormwater Management Bond Estimate
Item
Item
Number
16
riser diameter
24 in
(riser unit price)
17
barrel length
66 ft
base plate or fdn
18
barrel diameter
15 in
(barrel unit price)
19
outfall -pipe end section
14
structures for basin (BIOFILTER 4)
15
riser height
3.3 ft
16
riser diameter
18 in
(riser unit price)
17
barrel length
62 ft
base plate or fdn
18
barrel diameter
18 in
(barrel unit price)
1
outfall -pipe end section
20
standard manhole frame top (not inlet)
21
manhole structure (per ft. rise)
22
trees
23
shrubs
24
seedlings
25
underdrain (LF)
26
biofilter soil mix (CY) - (4,400 SF X 2 FT)/27
27
trash rack/ anti vortex devices
28
Maintenance Access road (LF) - NA: bioretention facilities (1, 2, 3, 4) all accessible via paved parking lot surface
29
rip -rap, placed (OP STR. #1)
depth
1.5 ft
length
30
width
9.0
(tons)
31
rip -rap, placed (OP STR. #7)
depth
ft
length
32
width
(tons)
31
rip -rap, placed (sediment forebay Vol. -ref. bioretention detail)
depth
ft
length
32
width
(tons)
33
3" depth choker stone (biofilter) VDOT No.8
depth
0.25 ft
length
34
width
78.0
(tons)
35
biofilter 27" stone depth
depth
2.25 ft
length
36
width
30.8
(tons)
37
survey and layout (price per 0.1 mi.)
acres
0.1
basins
38
mobilization
39
as -built drawings (per facility)
40
materials testing (per facility)
41
compaction testing (per dam)
$50.00
1
$35.00
$40.00
1
$40.00
6.0 ft
6.075
ft
0
ft
0
191.0 ft
279.3375
55.0 ft
285.67688
3
No. Unit Unit Cost
installed
$225.00
$200 $200
$2,310.00
0 each $500.00 $0.00
$132.00
$200
$200
$2,480.00
0
each
$500.00
$0.00
0
each
$500.00
$0.00
0
ft
$450.00
$0.00
0
ea
$150.00
$0.00
17
ea
$50.00
$850.00
3432
ea
$5.00
$17,160.00
160
ft
$5.00
$800.00
326
cy
$38.00
$12,385.34
3
ea
$1,500.00
$4,500.00
0
ft
$50.00
$0.00
$60.00 $364.50
$60.00 $0.00
$60.00 $0.00
$25.00 $6,983.44
Use VDOT 57
ROAD Plan per unit, $35 $35.00 $9,998.69
3 ea $2,000.00
3 ea $2,000.00
3 ea $5,000.00
Cost
$1,550.00
$500.00
$6,000.00
$6,000.00
$15,000.00
10/18/2018
Project Name: Keswick Hall Additions and Site Improvements VSMP - WP0201800020
WPO file number: WP0201800020
Stormwater Management Plan Bond Estimate
Date Estimate Completed: 10/18/18
Stormwater Management Bond Estimate
Item Item
Number
10/10/2018, A Allison, Timmons, chk-rev. J. Anderson (10/18)
WP0201800020 -Keswick Site Improve SWM_bond 101418 timmons-101818ja.xlsx
No. Unit Unit Cost
installed
cost sum
proj mgmt
contingency
Total
Cost
$977,992.79
$0.00
$97,799.28
$1,075,800
10/18/2018