HomeMy WebLinkAboutWPO201400096 Bond Estimates 2019-08-28Project Name: Stonefield Block D2 Phase 2 VSMP Amendment
WPO file number: WP0201400096
TMP(s): 061 WO-03-D2-000OA (61 W-3-D2, Parcel A)
Date Estimate Completed: 08-27-19(by 30 Scale /M.Myers); checkedo8-28-19 by CDD/Engineering
Stormwater Management Bond Estimate
Item
Item
No. Unit
Unit Cost
Cost
Number
installed
t
permanent diversion or ditch
1 ft
$13.00
$13.00
2
standard manhole frame top (not inlet)
3 ea
$500.00
$1,500.00
3
drop inlet or grate
5 ea
$3,500.00
$17,500.00
4
manhole structure (per ft. rise)
36 ft
$450.00
$16,200.00
5
pipe, rcp, cmp (15 to 48") in d ES-1,2
0 EC-1 242.6 ft
$35.00
$8,491.00
=in Elft
98.2
$40.00
$3,928.00
6
aggregate base or drainage stone d L
, 0.0 ft W
0.0 ton
$35.00
$0.00
7
8
trees
5 ea
$275.00
$1,375.00
9
shrubs
0 ea
$50.00
$0.00
10
seedlings
0 ea
$5.00
$0.00
u
underdrain (LF)
01ft
$5.00
$0.00
12
biofilter soil mix (CY)
0 cy
$45.00
$0.00
13
trash rack/ anti vortex devices
0 ft
$1,500.00
$0.00
14
maintenance access road (LF)
01ft
$50.00
$0.00
15
rip -rap, placed depth ft length
_ft
16
width (tons)
0
$60.00
$0.00
17
survey and layout (price per 0.1 mi.) acres basins
$0.00
18
mobilization
$2,500.00
19
as -built drawings (per facility); 5 Filterras (0.5 x unit price)
ea
$2,000.00
$5,000.00
20
materials testing (per facility)
ea
Mea
$2,000.00
$0.00
21
compaction testing (per dam)
$3,000.00
$0.00
22
23
Filterras /proposed: Mfr. facilities /attach manufacturer's price as a base; ref. email, 30Scale, M. Myers, 8/27/2019 5:16 PM (Yuya Ishizuka /contech: August 27, 2019
4:30 PM)
$67,568.00
24
Filterras /Installed (Original bond Amt. reduced to $83 000, 7/16/18.)
$20,240
Also, p. 7, WPO201400096 Amendment from list of currently -bonded Filterra Units, below, use 4 x 6, and 4 x 8,
prices ($8,500, $9,100, w/ 15%
Proi, mgmt. )
cost sum
$124,075.00
contingency
$12,407.50
W P0201400096 -Stonefield block D2 -Amendment 082719_SWM_bond_est-chk082819ja
Total
$136,490
8/28/2019