HomeMy WebLinkAboutWPO202100035 Bond Estimates 2022-02-22Project Name: Construction Drawings for Airport Road Pump Station Project for
Rivanna Water 8r Sewer Authority, Albemarle County, Virginia RFB No. 383
WPO file number: WP02021-00035
TM P(s): 03200-00-00-041 A2
Date Estimate Completed: 2-22-2022, J. Anderson
Stormwater Management Plan Bond Estimate
Item Item
Number
z
3
4
5
6
7
8
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
No. Unit Unit Cost Cost
(installed)
permanent diversion or ditch ft $13.00 $0.00
standard manhole frame top (not inlet) ea $500.00 $0.00
drop inlet or grate 0 ea $3,500.00 $0.00
manhole structure (per ft. rise) 0.0 ft $450.00 $0.00
pipe, rcp, cmp (15 to 48")Min
inES-1,2 ECA 0.0 ft $35.00 $0.00
12", assume cost= 15' DIA Pipein ES-1,2 ECA 0.0 ft $35.00 $0.00
in ES-1,2 ECA 0.0 ft $50.00 $0.00
NES-1,2 NEC-1 0.0 ft $70.00 $0.00
shrubs 0 ea $50.00 $0.00
seedlings 0 ea $5.00 $0.00
underdrain (LF) 0 ft $5.00 $0.00
biofilter soil mix (CY) 0 cy $45.00 $0.00
trash rack/ anti vortex devices 0 ft $1,500.00 $0.00
maintenance access road (LF) 0 ft $50.00 $0.00
np-rap, placed depth ft length _ft
(only Outfall Rip -Rap from BMP met width (tons) 0 $60.00 $0.00
survey and layout (once per 0.1 mi.) acres basins_ $0.00
F12"
spreaders (typ.) ; 170 LF, per design
Materials concrete, CUP 170 LF $5.00 $850.00
ELS estimate based on sidewalk unit price ($5 LF) washed #57 stone 13 TON $35.00 $468.56
6" concrete lip / 9" x 36" triangular 957 stone prism
Labor ( see below)
mobilization $2,500.00
as -built drawings (per facility) ea $2,000.00 $2,000.00
materials testing (per facility) ea $2,000.00 $0.00
compaction testing (per dam) ea $3,000.00 $0.00
Survey and platting of Open Space mea $2,500.00 $0.00
Engineering estimate: LABOR =2 x concrete /stone price, 2/22/2022 1.0 LS $2,637.13 $2,637.13
cost sum $8,455.69
" Note: SWplan bond is likely a slight underestimate (inflation /pandemic) confingency $845.57
WP0202100035 RWSA Airport Rd pump station_ SVMA_bond_022222ja
Total $9,310
2/22/2022