WSP07219

• File Number: 8220.100.40
• Description: CRSP
• Basin: Colorado Mainstem
• Date: 6/30/1971
• Author: USDOI
• Title: Fifteenth Annual Report on the Statuts of the Colorado River Storage Project
• Water Supply Pro - Doc Type: Annual Report

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Construction

I Conslrudi3'n u(Tomplishmpnls during
'''Fiscal Year 1971 in('ludpd start of
hydrodt'ttric R:E'nPrution at I\.lorrow
P(lint POWf'rplant: l'ompll'tion of Wakr
,~J1hl]ow TUnlwl. Mppks Cahin Oam,
j\Bottlp 1I01l0w Dams: and nean'omplp-
tioll of Silvpr .Jack Dam. As work eon-
tilllll'd on Sl'vNal othN projt'(:ts. thrt,('
rH'W major t'O!lslrw,tion l'ontrads Wl'fP
awardl'd. On BonnevillE' Unit, Cl'ntral
Utah ProjPct. Starvation j{t'Iit'rvoir,
('omplt.tl'd in 1970. fillt'd and spilled
fOf thl' first limp on June J.1. 1971.
Bott1l' 1I01l0w Dams and Dike W('ff'
{'ompll'll'd and lht, Utf' Indian Tril)f' hE"
~an fillin~ till' nl'\\' fj'sprvoir from tht'
Indian Bl'n('h Canal. Tht' 4.1-milp-lonJj!
\\'alN 1I01l0w TUOlW] was l'omplt'h'd.
Work will l>l' {'omplt'h'd in thl' rail of
1971 on thl' \\'atN lIollow Divprsion
!lam and Fl'Nll'r Pipt'linl:'.

Also 011 BOfll1l'villl' Unit. work wa"
start I'd and t'xn'J1t'nt progress made on
Soldll'r Cn'f'k Dam. dt'sigrwd to f'nlar~t'
the t'xil>ting Strawht>rf1' HpSl'r\'oir from
iL~ pn'Sf'nt stora)!:!' ('opadty of 283.000
acrl'.f,'('1 to a total of 1.106.500 aett"
fl'l'1. Tunnel borinj,t operJ.tions !{ot un.

dNway on thp 3.2.mill'.lollji:" Layout
Tunnel. Excavation work was also
slartl'd for t1w outlt't portal of the
1.7-mile.lon~ Currant TUn/wI. Work
was initiatt>d on diwrsion and fpedpr
pipelinl' facilities from Water Hollow
Cn'ek to thl' inlptof Wau'r Ilollow tllO'
01'1. Late in tht> fiscal year thl' l'ontrad
was award('d for th{' first I5.mili' se)!:-
ment of ,Jordan t\quNluc1. The Jordan
Aqut'dud contract is thl:' first major
contract to Iw awurdl'd for Bonnt'villl'
Unit facilitit's Wl'st of thl' Wasatrh
front. Whl'n compll'ted. tlw aqut'dud
will provide an additional waLPr supply
to thp rapidly l'xpanding municipal and
industrial art'as in thl' most populous
ari'a of Utnh,

On Vprnal Unit of Ct'ntral Utah
Proj('('t, a much I1Pt'dpd land drainaJ!:1'
projV'am ~ot underway \vith compll'-
tion of undPrln'ound pipf' draina~l'
fadlitit's for Block :-io. 1 an'a and
award of a construction I:ontrad for
thl' Block No, 2 arpa,

At ~It'pks Cahin Dam of thp Lyman
Project (Wyoming) and at Silwr Jack
Dam of the Bostwick Park Projl:'ct leol.
orado) constnu,tion work was suffi.
('il'ntl}' advan{'t'd so that stomgt' could
1:>1' initiated at the start of the 1971
srlownwlt-runoff st'ason. ~11'1'ks Cahill

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Hl's(>T\loir fillpd 10 uhout ollt'-hatfofits
capacity, Sil"f'TJat'k Hl'S(.n,'uir fillt'd by
JUlH' 10. 1 ~)71. and it spil1l'd throll~h.
uut thf' l\'mainder of thl' month,

At CllT('l:anti Unit. Colorado Storaj,tt'
Projf'el, thl' first !{l'nNuting unit at ~Ior.
row Point Powerplant W{'llt "on line"
on Dt'ceml>pr 23. W70. and th.. st't'ond
unit on January 26. 1971. At thl> l'nd of
tht' fiscal Yt'ar t'onstmetion dt'lHlllp
was IWilrinlor {,olllplt'tion, ;\lorrow Point
visitor fad Ii tit's Wl'ft' undl'rlZoin~ final
intNior and foX u'rior finishing.

Lah' in tll(' }'par. work was started on
dpsign of a thin arch t'olwrdl' structurp
for Crystal Dam. I in Ul'll of till' ('arth
and ro('k-fill structun' prt'viously t'on.
!>idNt'd for this fadlity). Work WilS also
umll'rway on assodalt'd offict', lahora.
tory. and ~arat!t' fadlitit.s,

\\'ork 011 th,' Navajo Indian Irrigation
l'rojl'el indudpd construction of n !we.
tion of tilt' 1800 c,f.s. capadty opell
;\Iain Canal, ('ontinuillll {'onstnution of
Cu ttpr Dam, a rt'~ulating and {'Ol'-
v..yalH'f" slnu'turp. and continuing con-
struction ofTunnpls 3 and 3,\,

Complt'lPd f(>ilturps on till' San .Juan.
Challl~l Projpl't Illl'ludt'd Willow Crt'{'k
Challlwl. ..\zoll'a Tunnt'l and I-It'ron
Dam,