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'XFOXFOX Engineering Associates,Inc- PYLE ALTERNATIVE ALIGNMENTS FIGURE. 7A
1601 Golden Aspen Drive,Suite 103 Raw Well water Transmission Pipeline -
Ames,Iowa 50010 REVISION N0. DATE
�y(•T(R i hI e(,;n LI,,1 Phone:(515)233-0000 City of Ames
FAX: (515)233-0103 Story co�n+y. IA nRAWN pRGJEC ND. wTE
3338-OVA 3 1� D8
FOX Engineering
Associates, Inc.
Memo
To: Christina Murphy,P.E.,Assistant Director
From: Leslie S.Wolfe,P.E.
Date: March 17,2008
Re: Alternate Routes for Pyle Land,LLC
Attached is Figure 7A illustrating the preferred route for the raw well water transmission pipeline and two alternate
routes: Altemate A-1 west of the Skunk River and Alternate A-2 following the crop line on the west edge of Pyle
Land LLC. Cost differentials for the two alternate routes have been estimated as follows:
Alternate Route A-1: West of Skunk River
Estimated 2008/09 Proiect Cost Differential
30-inch Water Main -22'@$ 100= ($ 2,200)
30-inch Fittings + 2 @$7,000= $ 14,000
River Crossing -20'@$ 450= ($ 9,000)
Highway Crossing -77'@$ 600= ($46,200)
Design,Admin.&Contgency -22'@$ 49= ($ 1,078)
Easements—Two(2)additional parcels
Permanent +12,680 SF @$1.00= $12,680
Temporary +27,126 SF @$0.20= 5,425
Total Estimated 2008/09 Project Cost Differential ($26,373)
Future Estimated Cost Differential(2008 Dollars)
30-inch Water Main +650'@$ 100= $ 65,000
River Crossing +300'@$ 450= $135,000
Design,Admin.&Contgency +650'@$ 49= $ 31,850
Easements—Temporary +17,424 SF @$0.20 3,485
Total Estimated Future Project Cost Differential $235,335
Net Cost Differential(008 Dollars)—Alternate A-1 $208,962
Page 1 of 2
Memo Re: Alternate Routes for Pyle Land,LLC
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Alternate A-2: West Edge of Pyle Land LLC
Estimated 2008/09 Project Cost Differential
30-inch Water Main +339'@$100= $ 33,900
30-inch Fittings + 4 @$7000= $ 28,000
Design,Admin.&Contgency +339'@$ 49= $ 16,611
Easements
Permanent + 6,380 SF @$1.00= $ 6,380
Temporary +19,425 SF @$0.20= 3.88
Total Estimated 2008/09 Project Cost Differential $ 88,776
Future Estimated Cost Differential $ 0
Net Cost Differential(2008 Dollars)—Alternate A-2 $ 88,776
Other additional costs to be considered should the route be altered include:
1. Wetlands determination
2. Geotechnical investigations
3. Public Hearing
4. Easement Plats
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