286. Amity 20-foot flume, notes concerning new floor, March 1938

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M. C. HINDERLIDER &TATE ENGINEER C. C. HEZMALHALCH DEPUTY Mr. Ralph Parshall STATE OF COLORADO ENGINEERING DEPARTMENT DENVER March 4, 1958

Senior Irrigation Engineer Colo. Agricultural College Fort Collins, Colorado

Dear Mr. Parshall: L. T, BURGESS CHIEF HYDROGRAPHER W. T. BLIGHT CHIEF CLERK a DRAFTSMAN SUBJECT:

I am enclosing four sheets of tabulations of snow survey measure-roents made March 1, 1958, at the East Portal of Moffat Tunnel.

Also a tabulation of measurements made on the Amity Canal 20-foot Parshall flume. Have been unable to locate measurements from 1955 to 1955, incl. They are probably at La Junta. If you desire measurements during these years, we can supply them.

Sorry to have missed you this morning, but I was slightly under the weather.

LTB:EP Encl.

(4)

Current Meter Measurements ££ Amity Canal at 201 _{Parshall Flume}

G. H. Discharge .

Date Hydrographer .Ha

.

in C.F .S.

_.

_,...

1--\~

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"'01ff

_,

Notes

5-18-BO R. Owens 1.51 28.03 . 53 .?~. 5- 7-50 II

"

2.59 159.33 ' 1.5-g t.~ I Complete submerged 5-20-30

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tt _3.94 _301.95

z.

3c'o /. 5~ Hell beck 4.02 328.0 1.4~ 1\53 6-30-BO Owens 2.96 217.86 l. q3 }. -3 7-16-30

_"

3.41 250.99 ~~~0 t I'$/ 7-51-50 n _Hb_.=._5.55 _5.56 _505.15 _?,.J₇ (,I 9 8-14-30

_"

4.55 455.81 _3·"~l • .lif-7 5-13-51

_"

Hb

=

2.41 2.46 194.79 I, 0

'(..

5-15-52 n _Hb

=

_4.175 _4.276 _{512 .16 {}_'3_.:!.~ _'.97

%

submergence= 97.6 6-15-32

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3.47 516.58 '2. ~ 'I t.j I J, o '3 5-29-32 n _5.45 _519.10 I 2<.1.1 - l, 0 7-15-32 It _Hb

=

_5.79 _5.94 _582.481 _2,

?tf

f, 7. 8-19-52

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2.58 204.11 1 (,'t; 1. 8-4-32 Burgess 5.44 556.82 1

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I ~ 8-25-32 Owens 2.98 275.10 2,22 .7t. 8-25-52

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5.02 277.11 1 2•

:2.4

,72 9-1-56 Wheeler 2.39 253.0 .3 97~% submergence 7-6-36

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2.40 267.35 t 2. 7-30-56 n _{4.02 ... 555.6} _,G.-t 5-18-37 n _2.97 _510.5 _~_5'7 95% submergence 9-15-:37

_"

5.45 590.0 2

₇₇

·"

(5)

THE COMPANY WILL APPRECIATE SUGGESTIONS FROM ITS PATRONS CONCERNING ITS SERVICE 1201-S

CLASS OF SERVICE

This is a full~rate

Telegram or Cable-gram unless its de-ferred character is in-dicated by a suitable symbol above or pre· ceding the address.

WESTERN

UNION (

11 '

R. B. WHITE NEWCOMB CARLTON .J. C. WILLEVER

~RESIDENT CHAIRMAN OF THE BOARD FIRST VICE•PRESIDENT

SYMBOLS

DL =Day Letter

NM =Night Message

NL =Night Letter

LC = Deferred Cable NL T =Cable Night Letter

Ship Radiogram The filing time shown in the datelin-e on telegrams and day letters is STANDARD TIME at point of origin. Time of receipt is STANDARD TIM,Jil at point of destination.

Received at 1_68 North College Ave., Fort Collins, Colo. Phone 303

1938 MAR

~2

AM

•o~

1 3

VT18

9

COLLECT~HOLLY

COLO 22 1000A

R L

PARSHALL-. OLO

AGR I

COLLEGE

:

fALSE FLOOR IN OCTOBER 1932 OUT SEPTEMBER 1937=

·AMITY MUTUAL IRRIGATION HELLBECK

19 32 19 37.

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(11)

M. C. HINDERLIDER STATE ENGINEER

C. C. HEZMALHALCH DEPUTY

Mr. R. L. Parshall

Senior Irrigation Engineer Colo. State College

Ft. Collins, Colorado Dear Mr. Parshall: STATE OF COLORADO ENGINEERING DEPARTMENT DENVER March 28, 1958 L. T. BURGESS CHIEF HYDROGRAPHER W. T. BLIGHT

CHIEF CLERK 6 DRAFTSMAN

SUBJECT:

Re: Measuring Flume Amity Canal

This will acknowledge receipt of yours of March 25rd, concerning your

studies and recommendations with respect to certain repairs which you recommend

to the Parshall measuring flume on the Amity Canal.

Last Saturday, Mr. Beach and I discussed this with the president and one

of the directors of the Amity Canal at a meeting in Pueblo. They are desirous of postponing the improvements for the time being due to dearth of finances, but we urged that the improvements be undertaken at a very early date. They advised us

that the:; would take the matter up with the full Board at once, and would endeavor

to make the improvements requested, by raising the present flume floor 18 inches.

We note that you recommend a concrete floor rather than a temporary

you

wooden installation, and, in this connection,/suggest the use of a tamped sand fill between the old and new floors, and that provision be made for some movement in the floor as a result of possible heaving by frost action.

We advised them that we feel it would be dangerous to use sand, and to

depend upon some movement between the new floor and side walls, as suggested by

you. We think that a very coarse gravel, or crushed stone, should be used instead

(12)

R. L. Parshall -- 2 5-28-58

provide thorough drainage, so that no possible frost action would later affect the new floor.

I want to thank you for your interest and the time you have spent in

this matter, which is duly appreciated. Very

t~

.Z/~

(13)

prU lf(.., 1958

Oscar Hellbeck, Superintsndent

Ald. ty C ... 1 Company

Holly, Colorado

Dear· • Uellbcck:

e regr~t delay in swering your letter of prll 6

n.

hich has been du

to

pressure af other portant . tters.

le note th t you desire to stall ooden floor in th present eonerete

Pars ..U. filluma ~ :i th elevat.io at 101

1 in·s·tead of 101.50. as reO'OmfJl.ended by r.

P rshall.

I h

ve

depended upon • P ~ -hall' recommendation concernin thee

u t r no or several y ars, since I have confidence in his ju ent1 as a

re-tion •

It

ia realized t.~.'1. t iu time the cleaning of your canal belo the !'lUllle

may llevi te pres en eondi tions, wl.leh feeted the accure.cy '0£ mea.aure ents

o er the ori. i al oodeu loor of ne

fl

e. In dieous ing his attar with two

me bers ~t your Board of D~rector~ at Pueblo recently~ 1 a ect the if

it

were not

possible to li ht y raise the pr.ooont crest of your diversion .d t.o tak care

o ,

if need be, e

etta

t of placing t~~ fl floor 18 i che,, . nove tbe present coo-crete floor or {.he flu')! e~ Th~y ttdv1sed o th t :.;.ey thought tr.d.~ ··ou.ld be one if i t ould er prove to b n ce~sary. ot, t all eert .. in that this oul b

neces ary, si ce tb ·e Venuri or P r 1a1 1 me appear to h ve ~ sul ed i

(14)

0& ar Hel1beclt - 2

We have no rticular obJectio o your insta~ the ne !1 or one toot above he present

conere

e floor, with the underst nding, however, that

houl rrors later de elop result

or

the tlume flowing under s b erged conditions, we ould ot be in the position to req ire u per ditche to pas

water 1 or your canal rhen condition conducive to i .accura.cie 1n a ure ent

.. our canal remain uncorrected-.

e h ve her tofor$1 nth I believe but one exe pt:i.on, ound that Mr.

Parshall

a

calculated hydraulic conditione ch eked quite closely with ctu.al

con~ ions

ot

low tollowin~ t' e oo1st~1ction

or

the £1 e• an hence, as t te ₁

ve con.f dcnce in hJ..s co""clucionz.

This, ho ever, is not to e in.crre as in any way questionin the

ccuracy o£

youx-.o"lri

vie s concerning probable los of

ater

over the

ity

DaBl if' th floor of tbe flume is et at 101.50. ne complete solution

or

the difficulty is probabl:,r Qepon"ent upon the pr ctie bility of rising th erest o

the di verslon :m.

Sincere~y your •

CB;EP lATE