Powerline Plan and Environ. Assessment Jan. 2013 - Flood Control ...

Powerline, Vineyard Road and Rittenhouse Flood Retarding Structures
Rehabilitation or Replacement Project
Line Item
Designed By: TDD Date: 01/11/2013
Checked By: RAE Date: 01/11/2013
Item Description (Reference the Unit Price Descriptions for additional detail)
Basin/Channel Side inlets
Tributary Confluence Erosion Control
Powerline FRS
F1 Small basin/channel side inlet 17,300.00
Opinion of Probable Cost for Level III Alternatives Analysis
Alternative 8A
Rehabilitation/Replacement
Alternative 8A
Rehabilitation/Replacement
Alternative 8B
Rehabilitation/Replacement
Replace Powerline FRS,
Rehabilitate Vineyard Road
(Upstream Sloping Filter) and
Rittenhouse FRS (Upstream
Alternative 8B
Rehabilitation/Replacement
Alternative 8B
Rehabilitation/Replacement
Replace Powerline FRS, Convert Replace Powerline FRS, Convert
Replace Powerline FRS, Replace Powerline FRS,
Rittenhouse FRS to Levee, Rittenhouse FRS to Levee,
Rehabilitate Vineyard Road Rehabilitate Vineyard Road
Rehabilitate Vineyard Road FRS Rehabilitate Vineyard Road FRS
(Hybrid Filter) and Rittenhouse (Hybrid Filter) and Rittenhouse
(Upstream Sloping Filter)
(Hybrid Filter)
Sloping Filter)
FRS (Hybrid Filter)
FRS (Central Filter)
Unit cost Unit Quantity Cost Quantity Cost Quantity Cost Quantity Cost Quantity Cost
$ EA 1 $ 17,300 1 $ 17,300 1 $ 17,300 1 $ 17,300 1 $ 17,300
F2 Medium basin/channel side inlet $ 52,100.00 EA 1 $ 52,100 1 $ 52,100 1 $ 52,100 1 $ 52,100 1 $ 52,100
F3 Large basin/channel side inlet $ 125,500.00 EA 1 $ 125,500 1 $ 125,500 1 $ 125,500 1 $ 125,500 1 $ 125,500
SubTotal $ 194,900
$ 194,900
$ 194,900
$ 194,900
$ 194,900
Total Basin/Channel Side inlets $ 194,900
$ 194,900
$ 194,900
$ 194,900
$ 194,900
Improvements to Powerline North Diversion Channel
New Channel
G1 Channel excavation $ 3.00 CY 11,800 $ 35,400 11,800 $ 35,400 11,800 $ 35,400 11,800 $ 35,400 11,800 $ 35,400
G2 Gabion Basket outlet protection at Baseline Road $ 200.00 SY 218 $ 43,600 218 $ 43,600 218 $ 43,600 218 $ 43,600 218 $ 43,600
G3 Pavement removal/replacement $ 100.00 CY 178 $ 17,800 178 $ 17,800 178 $ 17,800 178 $ 17,800 178 $ 17,800
G4 Culvert removal $ 300.00 LF 150 $ 45,000 150 $ 45,000 150 $ 45,000 150 $ 45,000 150 $ 45,000
G5 Earthwork $ 3.00 CY 355 $ 1,065 355 $ 1,065 355 $ 1,065 355 $ 1,065 355 $
1,065
G6 Reinforcing steel $ 0.75 LBS 35,018 $ 26,264 35,018 $ 26,264 35,018 $ 26,264 35,018 $ 26,264 35,018 $ 26,264
G7 Concrete $ 300.00 CY 253 $ 75,900 253 $ 75,900 253 $ 75,900 253 $ 75,900 253 $ 75,900
G8 Riprap $ 65.00 CY 396 $ 25,740 396 $ 25,740 396 $ 25,740 396 $ 25,740 396 $ 25,740
SubTotal $ 270,769
$ 270,769
$ 270,769
$ 270,769
$ 270,769
Total Improvements to Powerline North Diversion Channel $ 270,769
$ 270,769
$ 270,769
$ 270,769
$ 270,769
Site Preparation
Clearing and Grubbing
H1 Clearing and Grubbing $ 12,000.00 AC 266 $ 3,192,000 266 $ 3,192,000 266 $ 3,192,000 266 $ 3,192,000 266 $ 3,192,000
SubTotal $ 3,192,000
$ 3,192,000
$ 3,192,000
$ 3,192,000
$ 3,192,000
Total Site Preparation $ 3,192,000
$ 3,192,000
$ 3,192,000
$ 3,192,000
$ 3,192,000
Subtotal Powerline Structures $ 12,882,500
$ 12,882,500
$ 12,882,500
$ 12,882,500
$ 12,882,500
Subtotal Additional Elements $ 3,462,800
$ 3,462,800
$ 3,462,800
$ 3,462,800
$ 3,462,800
Subtotal Structure Cost $ 16,345,300
$ 16,345,300
$ 16,345,300
$ 16,345,300
$ 16,345,300
Landscaping and Aesthetics "Lite" Approach (5%) $ 817,300
$ 817,300
$ 817,300
$ 817,300
$ 817,300
Environmental Mitigation $ 720,000
$ 720,000
$ 720,000
$ 720,000
$ 720,000
Cultural Resources Mitigation $ 602,000
$ 602,000
$ 602,000
$ 602,000
$ 602,000
Contingency (25%) $ 4,086,400
$ 4,086,400
$ 4,086,400
$ 4,086,400
$ 4,086,400
Subtotal Structure, Environmental and Landscape Cost $ 22,571,000
$ 22,571,000
$ 22,571,000
$ 22,571,000
$ 22,571,000
ADWR Permit (2% dams) $ 452,000
$ 452,000
$ 452,000
$ 452,000
$ 452,000
Mobilization (3%) $ 678,000
$ 678,000
$ 678,000
$ 678,000
$ 678,000
Engineering (3%) $ 678,000
$ 678,000
$ 678,000
$ 678,000
$ 678,000
Supplemental General Conditions (1%) $ 226,000
$ 226,000
$ 226,000
$ 226,000
$ 226,000
CQC Plan and Testing (1%) $ 226,000
$ 226,000
$ 226,000
$ 226,000
$ 226,000
Construction Management (3%) $ 678,000
$ 678,000
$ 678,000
$ 678,000
$ 678,000
Total Project Cost $ 25,509,000
$ 25,509,000
$ 25,509,000
$ 25,509,000
$ 25,509,000
KHA Project No. 091131019
_Level_III_Alternatives_OPC_Summary_updated spillway costs_R-CLSM_Powerline.xls 2 of 2 January 2013