WSP09813

• File Number: 8430.100
• Description: Water User Groups and Conservancy Districts - Northern Colorado Water Conservancy District
• State: CO
• Basin: South Platte
• Date: 4/15/1969
• Author: NCWCD
• Title: 31 st Annual Report 1968
• Water Supply Pro - Doc Type: Report/Study

,
,

,

GRAVEL Bl.A.NKET
600LDER nIOER CANAL

~,;r.: """- ~ -1
.... --- It.
w"'_ '.;. _ I:~"
''''''''r ,~. ....:'_,.,...~(f.:.:.."'1I *1
~. ~~__~-...": - _ ~4--... _1."
~ '''8-"-''' ~. ~"; "
....ft ' ./ -._ ~ '
r#"-:--' ~ ~~

/

.

/
,

- .,tlj:
.....jt
, ,~.lt
"'1"''''- .-
'''IT ..W.

t~:L

,

CRACK AND JOINT SEALIN:>
HANSEN SUPf'LY CANAL

- 11

PREVENTIVE MAINTENANCE CCM"INJES

I... THE: 104.1.I'''T[''''''''C[ ~ PRO.JECT
,."elL.llIES F"OR WHICH IT 15 RESPONSIBLE,
THE DISTRICT HAS AL.WAYS TRIED TO ,.~-
L.OW THE THEORY THAT THE L.EAST POSSIBLE
LON(j;-TERM COSTS CAN OtlLY BE ACHieVED
BY PIIlEV[NTro", ~w NOT 8Y RECDNSTRUCTIO,,"
OR REHABILITATION A,.T[R nil:: OAMAQr; IS
DONt.

IN KECPlhlQ WITH THIS POLICY, EVERY
...T104PT IS "'''DE TO MAI([ RePAIRS WHEN
N[CDtD WITHOIJT DELAY. ALSO, C[RTAIN
MA1NTEN"''''CE CHORES or A RECURRING NATURE
MUST BE P[RF"ORMEO WITH ROUTINE R[GIJL.AR-
ITT IN ORDER TO PREVENT OAMAGE AND THE
NU:O '-OR R[PAIRS. IT045 INCLUDED I'"
THE LATTEA C~TCGORY ~AE 31JCH THINGS ~S
C~C~NI~a DIYEASIDN OITCHES TO PREYENT
BANI( DAMAGE f'Aa-. SIJRf'ACE RUNO!'f'; SEA~ING
CRACKS IN CANA~ ~INING; B~AOING ~~O
REGR~YELING ~CCESS AND C~N~L B~NI( ROADS;
PLACEIo4ENT Of' GROUT IN YOIOS TH~T OEYELoP
BEHIND CAN~L LINING: f'ENCE REP~IR, P~INT-
lNG, AND SO ON.

ONC Of' THE M~JOR REPAJf'! ITCMS Of' A
PREYENTIVE NATURE THAT H~S BECN C~RRIED
ON YE~R BY YE~R SINCE 1960, IS THE
GR~YEL-BLANKCTING PROGR~M. DuRING rls-
CAL 1968, AN AOOITION~L 14,439 l.INEAL
f'U;T or E~RTH C~NA~ BANK ON ST. VR~IN
SUPPLY ~ND BOUl.DER FEEDER C~N~LS WERE
PROTECTED WITH EITHER PIT-RUN GR~VEL
OR ROCK RUBBLE. THIS BRINGS THE TOT~L
LENGTH ~ CANAL B~NK PROTECTED THUS rAR
TO 29. 7 JolI~ES.

OTHER SIGNlrlCANT ITEMS or REPAIR OR
PREYENTIVE MAINTCNANCE ACCa-.Pl.ISHED DUR-
ING THt YEAR INCl.VOE RCPL~CeJolCNT Of' SEV[R~l.
SECTIONS Of' CONCRETE l.INING ON HANSEN SuP-
PLY CANAL; RtGRAYEl.ING ABOUT f'OUR HI~CS
or ACCESS ROADS ON HANSEN SUPPLY AND ST.
VRAIN SUPPLY CANALS; AND SOME DOZER AND
ORAC;;LIN[ WORK ON TH[ RIP-RAP r~CING or
BOULDeR ReSERYDIR CII(ES IN PAEp~RATION
rOR PLACEMENT Of' ADDITIONAL RIP-R~P DUR-
I HG TNE CNSIJING YE~R.