FLOOD06961

• County: Jefferson
• Community: Littleton
• Stream Name: Massey Draw and SJCD South
• Basin: South Platte
• Title: Conceptual Design Report for Massey Draw and SJCD ‎(South)‎ Mjor Drainageway Planning Update
• Date: 2/1/2006
• Prepared For: Jefferson County
• Prepared By: Olsson Associates
• Floodplain - Doc Type: Floodplain Report/Masterplan

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City of Littleton

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Massey Draw and SJCD (South) Major Drainageway Planning Update
Conceptual Design Report
February 2006

,Masliey Draw'~;' ,>.;;~,
Reach 1 - Chatfield Reservoir to
C-470

Reach 1 - Chatfield Reservoir to
C-470
Reach 2 - C-470 to Wadsworth
Reach 3 - Wadsworth to Carr
Reach 4 - Carr to Garrison
Reach 5 - Garrison to Kipling
Reach 5 - Garrison to Kipling
Reaches 6 and 6.1 - Kipling to C- 1
470 and Meadow Ranch Area
Reaches 6 and 6,1 - Kipling to C- 3
470 and Meadow Ranch Area
Reach 7 - C-470 to Valley Road
Subtotal

4N9~I1il!:ri!:l4t8rY~Qflllia~seYDraw.~_

Reach 1 - Confluence to 2 $188 000
Wadsworth '
Reach 2 - Wadsworth to Allison 3 $211,600
Reach 3 - Allison to Carr
Reach 4 - Carr to Chatfield
Reach 5 - Chatfield to Garrison
Reach 5 - Chatfield to Garrison
Reach 5 - Chatfield to Garrison
Reach 6 - Garrison to Kipling
Reach 7 - Kipling to Continental
Divide Road
Subtotal

Reach

;SJGD(Sol,Jtl!) .
Reach 1 - South Platte Park to S.
Platte Canyon Road
Reach 2 - South Platte Canyon
Road to Depew

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.... . ".0": .' . ii., '..:", ,', "',<:,'"c"i,i;"
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$169,200 $169,200 $42,300 $25,380 $16,920 . $8,460 $262,260
$414,400 $414,400 $103,600 $62,160 $41,440 $20,720 $642,320
$415,000 $415,000 $103,750 $62,250 $41,500 $20,750 $643,250
$334,400 $288,000 $622,400 $379,950 $155,600 $93,400 $62,200 $31,100 $1,344,650 .
$226,400 $226,400 $56,600 $34,000 $22,600 $11,300 $350,900
$36.750 $156,600 $193,350 $26,200 $48,340 $29,000 $19,340 $9,670 $325,900 .
$771,500 $771,500 $192,880 $115,730 $77,150 $38,580 $1,195,840
$670,000 $294,750 $964,750 $1,447,600 $241,188 $144,713 $96,475 $48,238 $2,942,963 .
$2,646,600 $340,000 $2,986,600 $2,417,000 $746,700 $447.980 $298,620 $149,360 $7,046,260 .
$48,000 $48,000 $12,000 $7,200 $4,800 $2,400 $74,400
$5,063,300 $1,007,500 $740,800 $0 $6,811,600 $4,270,750 $1,702,958 $1,021,813 $681,045 $340,578 $14,828,743

,.,
~ Channel
.g Stabilization
11.

2

3

1
1
3
2
3

2

1
1
2
3
3

$241,600

$259,600
$328,000

$423,200

$1,464,000

3

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Table 7 - Master Plan Improvements Costs and Benefits
Cost of Improvements

Channel
Improve-
ments

Culvert
Improve-
ments

Legal I
Administration
(5%)

Construction
Inspection
(10%)

Regional Easement
Detention Construction Acquisition

Engineering
Services
(15%)

Contingencies
(25%)

Total

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Benefits

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$9,400

$10,600

$188,000
$211,600

$47,000
$52,900

$28,200
$31,700

$18,800
$21,200

$291 ,400
$432,850

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$12,500 $12.500
$60.000 $285,000 $345,000

$104,850

$245,000

$999,000
$241 ,600
$476,500
$259,600
$328.000

$423,200

$3,127,500

$440,200

$249,750
$60,400
$119,125
$64,900
$82,000

$105,800

$781,875

$99,900
$24,160
$47,650
$25,960
$32,800

$42,280

$312,750

$49,950 $1,988,650 .
$12,080 $374,480 0
$23,825 $738.575
$12,980 $402,380 .
$16,400 $508,400
$21,140 $655,940
$156,375 $5,392,675

$754,000

$149,850
$36,240
$71,475
$38,940
$49,200

$63,520

$469,125

$38,000

$438,500

$283,000

$545,050

$626,500

$754,000

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$3,100

$19,375

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$1,875

$1,300

$600

$86,250

$51,750

$34,500

$17,250

$534,750

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