WSP02926

• File Number: 8443.400
• Description: Narrows Unit - Reports
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 8/31/1964
• Author: Woodward-Clyde-Shera
• Title: Comparative Cost Estimates For Earth Dams At The Lower Weld County And Narrows Alternative Damsites
• Water Supply Pro - Doc Type: Report/Study

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ESTIMATE sKEET

TABLE
Sheet 1 of
'~.p.LliAL__~_~=_-==_~:_
~~_.f.~~__~. 70~~~~._~~___

. DAM >;JU<-"HHLL------ - --- ----
CREST EL. 4448 MAX.ffI'...!;l~__:f~!-___ MISSOURI RIVER BABIN PflO.m::T
~,W S EL. 4442 CAP.l,385,OOO A.F. NARROWS UNIT _ COLORADO
NOR:W:S:EL~-~.oU" 427,000 ~!:
!UN~ W.B. EL.4351CAP. 52.000 A._F. ~.~48
IRlnGATION~fuRAGE 3,75,000 -A~r. ~~
FLOO TOli1~GE- n 380J~A~~. ;'RBCONNAI6SANCB ESTlliATE

--~-- -_._-~-----
~.ll~_~ ____~ ~
OUTLET WORKS
~.__.S~-!~-~~;~_~f_!~~~~t~~~~

COIIPUTED

___:-__--=-_J?~~L_______ _ _.____
U.S.B.H. COBT ESTlMATB W.C.S.& A. COST. ESTIMATE
. C6mplete CUtg,ft (Cutoff to bedrock: except
(Bee Criteria Sheet) in ch'U!J:L@lJ ~LF1K._ 1_
MATERIAL AND MATERIAL ANI
lABOR FURNISRiiD QUANTITY lABOR FURNISH
1 BY THE BY THE
..J: CONTRACTOR
AMOUNT UNI1~{ mr . AIlOUNT UNIT g~~ I ~~L

o t t 0 I!~ . 50.'
Lump Sum. 1:a, .L.S. 100,000 D t t 0 100,1
~__c,.____ ___~~_ ___ _ ~ ~n u_ _
~-cavQti"OD., common, 8tripplDB ~

::::::::~~. :::::~1::m 1:~:~;;-~_::::t~ ~:~:~I~j-t ~:: :~~ -~-~ : !. :-: L~-I-- -. ::;-:~

pit. and traneportBtloQ to d.BIIl . I 1 .
embaoD81at ~ .900,000 01 D t t 0 1,960,C

8 ";~~~1:i":~~ :;tf~:~i~~:-T - ~ I q"i~_4!~,~a~,_~_ -~0~---i- .. - -:-~--
to dam eiDbaDlmseat f' ~600~~O_O I ~'!" .4511,~_O,O_OO _____!> t- t t 0_ "'t~ l'.6~O.(
Rartbf1'll- in dam ~1L~h~!:I:___~900~~~:.:.~_~~~t _ 54~.OO~_ ____ _~ i_ ~ t_ ~- -l~,,!~~
8 Sand aDd gravel fill' ill eIIlbn~kme~~~~~~oT c.~. _~~~I !_55.~_ ______0 }~-' 01_ _4~5.(
9 Furnishing aDd placing rlprap on i ---r }
U,JJIiIIt:ream Slope of dam ellbaablentl G
~~~::~ c:::r:::~iDg bedd1as T~~~'_O_O_O _ o..!._,_~'O~~1~580'O~O__I__ ----~ 1_ t_~~1 ~__+~560.~
uader rlprap on dam 81llbaA.laDent ,~~,OOO ~_:!~~~O!r_~~~OOO__ __ --D_Jl-~ ~_ ~ t' __ 3_~~~~
Tor:D11 tor seedlD1' downstream I . . I
· ope 82,000 O,y-,-,-,50t41'OOO -~-t-'--:'.~O_-t41'.o
~eedlaB' D50~_~~~.-;:~__,_~,___ 5,000 __~ ti_~ _o________~~~
Wa-te-r.tor seeded area 5,600 g:1.i"3.00i 16,800 D t t 0 16,8
---- - ----- - -- ---
Cree't !lUZ'faoing (3" bitmdnOW!l I'.. I j
surfaoing OD 8" c!'U8b&d rook) ~ 13,000 ~..!:.~~~t---~.!-~~~- _ _ ~ l-!~ ~__ __~_~_o
Guard rail on Oretlt ,Of dam 27.000 1.t.I'.0011081~ D 1 t t 0 i 108.0

CH>X;KED

C>
C)
.....
r_>

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,.

1 T E M

QUANTI""

~
~

1

Diversion and care of river
du'l"i'b.i: construction,"

Lump Sum

1..1i. - L.S.

50,000

2

Unfttel"iDg' dam found.stioD. .

3

7

10

11

12

. 13-.

14

15