HomeMy WebLinkAboutWPO201600067 Bond Estimates 2017-12-21Project Name: Broderick May Property
WPO file number: WP0201600067
Erosion and Sediment Control Bond Estimate
Item Item
No. Unit
Unit Cost
Cost
Number
installed
stabf tim (PS, TS)
0.9 acres
$5,000,00
$4,500.00
sift fence (SF)
575.0 It
$5,00
$2,875.00
safety fence (S.4F)
0.0 It
$5,00
$0.00
diversion (DD, FD, RVJD)
255 It
$13,00
$3,315.00
temporary slope drain (TSD)
pipe length
-ft
pipe diameter
0 in
$0,00
$0.00
earthwork for trap/basin
ha ht of tlam al toe
9
fl
cut at highale
3.5 ft
heof fill
ft
cut ot face
ft
m
length of dam
ft
length of cut
ft
top vidth
ft
vndth of cut
ft
(area above transition)
17.5 at
(area belay transition)
48 at
(total vndlh of dam)
7 ft
(total vndlh of cut)
31 ft
(height belay transition)
1 ft
(depth below transilior 1.5 ft
(area below transition)
2.5 sf
(area above transition)
21 at
(total fill volume)
29.6 cy
(total fill volume)
63.9 cy
length of spillway
_fl
(TO -CV estimate)
74 cy
$13.00
$962.00
Width of spilhvay
ft
(spillway stone tons)
5.2 tau
$50.00
$260.00
structures for basin
riser height
fl
rise r dlamoterin"--
-' -ce)
$0.00
$0.00
barrel length
ft
base plate or fdn
$200.00
$0
barrel diameters
Sao Oo
$2,310.00
barrel collars
0
$200.00
$0
baffle length
0 It
$50.00
$0
sift fence inlet protection (IP)
$100.00
$0.00
stone inlet protection (IP)
$200.00
$0.00
outlet protection (OP)
length
12 ft
width
9 ft
$486.00
$486.00
channel (SCC, matted)
length
715 ft
width
3 It
$2,788.50
check dam
depth in channel
1 ft
channel witlth
3 It
$67.50
$406 00
construction entrance(CE)
,
$2,500.00
$2,500.00
wash rack
$2,000.00
$0.00
paved construction entrance
$3,500.00
$0.00
rip rap, placed
depth
ft
length
0.0 It
width
$fi0.00
$0.00
surrey and layout (price par 0.1 mi.)
acres
traps and basins
]r
$950.00
mobilaa ion
$2,500.00
stream crossing (computed independently)
$5,000.00
cost sum
$28,851.10
contingency
$2,885.15
Total
$31,740
12/21/2017
Approximate Earthwork computations for sed
Assumes all cut and fill slopes are 2:1 for simplicty
Cut at High Side
h2
Height of Fill at Face
h1
w
Width of Cut
Fill area above transition = h1(2h1) + h1(w)
Fill area below transition;
total width of fill (dam) = 2h1 + w + 2h2
height below transition = h2-h1,
area = (width *height)/2 - height x height
Length of Cut
Top
I-w
transitic
h1
Cut at Fa
liment traps and basins
Width
m point Height of Dam at Toe
h2
ice
Volume = Length of Fill x Fill Area
Cut Areas and Volume is the same as fill
but using the cut dimensions
Length of Fill for Dam
(approximately)