FLOOD07758

• County: Denver
• County: Jefferson
• Community: Lakewood, Denver, Jefferson County
• Stream Name: Lakewood Gulch
• Basin: South Platte
• Title: Major Drainageway Planning
• Date: 12/1/1979
• Prepared For: Denver / Lakewood / Jefferson County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

I

I

TABLE VI-3

23

I

UNIT PRICES USED IN CONSTRUCTION COST ESTIMATES
(December 1979)

I

TABLE VI-2

RIGHT OF WAY ACQUISITION
Easement for construction of
culverts and maintenance access

I

ANNUAL UNIT COSTS FOR OPERATION AND MAINTENANCE

EARTH WORK
Excavation
Backfill
Open channel
Fill
Seeding
Area grading

(structural)
(structural)
(excavation)
(embankment)

I

Natural grass-lined channel

$1,3S0 per acre of ROW

I

Concrete-lined channel

$ .7S to $1.2S/L.F.

Culverts and pipes

$ 1.00/L.F.

I

Existing channel

$ . 2S/L.F.

CONCRETE WORK (includes forms and
reinforcing steel)

Concrete culverts
Concrete lining for open channel
Low flow concrete channel
New bridge
Remove and replace curb & gutter

Administrative costs

$SOO to $l,OOO/Reach

I

I

I

MISCELLANEOUS ITEMS
Erosion control structure (grouted rip-rap)
Drop structure (concrete)
Rip-rap - grouted
placed
filter
Remove fence
Install fence or guardrail
Maintenance access road

I

I

I

Engineering
Legal
Contingencies

I

I

I

I

I

$10,000 to $20,000/Acre

$ lS/L.F.

$ 6/C.Y.
$ 6/C.Y.
$ 3/C.Y.
$ 2.S/C.Y.
$ 1,000/Acre
$ .l/S.Y.

$ 300 to $ 700/L.F.
$ 210/C.Y.
$ lS/L.F.
$ 40/S.F.
$ 1l.7S/L.F.

$ 2,SOO/Ea.
$ S,OOO/Ea.
$ 90/C.Y.
$ 70/C.Y.
$ l/L.F.
$ a/L.F.
$ 1, SOO/Acre
$ 14/L.F.

15% of Construction Costs
S% of ROW Costs
2~% of Construction and
ROW Costs