HomeMy WebLinkAboutWPO201300040 Bond Estimates 2021-10-01 (2)Project Name: Erosion and Sediment Control Plan for Ashcroft Phase 3 Subdivision Tax Map 78A, Parcel 1, Rivanna District, Albemarle Co., Virginia
WPO file number: WP0201300040
TMP(s): 078AO-00-00-00100, 078AO-03-00-000FO
Date Estimate Completed: 8116121 by RGA ; chk.bytA,10/1/21
Stormwater Management Bond Estimate
Item Item
Number
1
standard manhole frame top (not inlet)
z
drop inlet or grate
3
manhole structure (per ft. rise)
4
pipe, mp, crop (15 to 48")
5
aggregate base or drainage stone
6
Biofilter
7
SWM-1
8
SWM-2
9
hafifter soil mix(CY)
10
trash rack/ anti vortex devices
11
maintenance access road (LF)
12
rip, rap, placed
13
14
survey and layout (pace per 0.1 mi.)
15
mobilization
16
as -built drawings (per facility)
17
materials testing (per facility)
18
compaction testing (per dam)
No. Unit
Unit Cost
Cost
(installed)
F0 as
$500.00
$0.00
0 es
$3,500.00
$0.00
9 ft
$460.00
$4.060.00
in d 1 ES-1.2
1 EC-1
136.0 ft
$40.00
$6,400.00
10
8 in d 135.0 ft L
6.0 ft W
3.8 ton
$36.00
$132.30
3.0 ea
$10,000.00
$30,000.00
1 as
$190.00
$190.00
1 as
$75,000.00
$75,000.00
3 as
$10,000.00
$30,000.00
6 ft
$1,500.00
$9,420.00
436 ft
$50.00
$21,750.00
depth
0.8 ft length
_ 186.0 ft
width
20.0 (tons)
223.2
$60.00
$13,392.00
acres
6=00" basins
`
$11,650.00
$2,600.00
$2,000.00
$4,000.00
Nas
as
$2,000.00
$4000.00
ee
$3,000.00
$6.000,00
manufactured facilities (attach manufacturers or contractors pace as a base)
see D. Greene email, August 23, 3031339 PM
$0.00
cost sum
$218,384.30
contlrgerwy
$21,838A3
Total
$240,230
10/1/2021