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                  <text>Vocational Heavy Construction Technology Program
A Comprehensive Plan including Program Needs and Future
Directions
Matt Kondratieff
Committee Members:
Rod Van Velson,
Tom Bowen,
Larry Strohl
Colorado Division of Wildlife – Aquatic Research Section
April 2007

�EXECUTIVE SUMMARY
In 1997 Warren Diesslin, former Warden of the Buena Vista Correctional Facility, and Eddie
Kochman, former Colorado Division of Wildlife (CDOW) Aquatic Section Manager, met and
discussed a joint venture to rehabilitate degraded stream habitats while providing heavy
construction training for inmates sincere about changing the direction of their lives. These men
conceived and supported the vision of what is now known as the Vocational Heavy Construction
Technology (VHCT) program. Tom Bowen, once a prison guard and later a Colorado
Department of Corrections (CDOC) vocational educational instructor with years of practical
heavy construction experience, developed and coordinated this program with the support and
approval of Warden Diesslin. Tom contacted the Colorado Contractors Association (CCA) and
they agreed to serve as a program sponsor. The CCA has since become an integral part of the
program, serving as the advisory board and assisting student inmates with job placement once
they have successfully completed the program. Through the VHCT program, two state agencies
(CDOW and CDOC) and private industry have formed a rare partnership with different missions:
to help redirect human lives while restoring river natural processes and aquatic habitats within
driving distance of the Buena Vista Correctional Facility.
Student inmates have rehabilitated 8.7 miles of degraded aquatic stream habitats on CDOW
properties located along the South Platte River in South Park. South Park was identified as an
ideal location to implement the program because CDOW owns or leases over 25 miles of public
fishing waters in the Upper South Platte River drainage and its close proximity to the Buena
Vista Correctional Facility. Much of the South Platte River in South Park is degraded due to
excessive livestock grazing and mining. To date, 127 student inmates have graduated from the
VHCT program. Program recidivism rate is 12% compared to a 60% overall recidivism rate in
the Colorado penal system.
Through FY 2006-2007, CDOW/CDOC river restoration projects in South Park have cost a total
of $21/linear foot. A survey of six recent river restoration projects in Colorado conducted by
private companies range in cost from $61-$390/linear foot. The average cost for these privateindustry projects was $218/linear foot. The VHCT program realizes on average a 90% cost
savings, or up to 20 times less expensive than private industry. Private industry is also benefiting
by being able to hire from a pool of well-trained, highly qualified heavy equipment operators.
Cost of CDOW/CDOC projects in South Park range from $47,000-$148,000/year, with an
average cost of $108,865/year. The total cost for eight years of construction is $979,785.
Over 20 different habitat treatments have been implemented in South Park that fall within three
functional categories: restoring river natural processes, reducing bank erosion, and enhancing
aquatic habitat for sport fish. Treatments include the use of rock, stumps, logs and riparian
plants for bank re-vegetation.
CDOW personnel will work with the VHCT program again this year (FY 2007-2008), as well as
in the future, continuing ongoing efforts aimed at restoring degraded stream habitats in South
Park. However, a new research phase will begin that includes evaluation and monitoring of
restored aquatic habitats, quantifying how various stream habitat improvements translate into
positive changes in sport fish biomass, carrying capacity, improved angler opportunities, as well
as addressing other complex research questions.

i

�EXECUTIVE SUMMARY ............................................................................................................. i
TABLE OF CONTENTS................................................................................................................ ii
I.

INTRODUCTION ...............................................................................................................1
A.
Purpose of the Vocational Heavy Construction Technology Program....................1
B.
Why Restore Rivers? ...............................................................................................1

II.

VHCT PROGRAM BACKGROUND.................................................................................3
A.
History......................................................................................................................3
B.
Student Inmate Rehabilitation Program...................................................................5

III.

VHCT PROGRAM RESULTS............................................................................................5
A.
River Restoration. ....................................................................................................5
B.
Restoration of Inmate Lives...................................................................................10

IV.

PROGRAM COSTS AND BENEFITS .............................................................................10
A.
Inmate Incarceration ..............................................................................................10
B.
River Restoration Costs .........................................................................................10

IV.

COMMITTEE RECOMMENDATIONS ..........................................................................11
A.
Background ............................................................................................................11
B.
VHCT Program Expansion ....................................................................................11
C.
Research Opportunities..........................................................................................12
Sport Fish Enhancement ........................................................................................12
Improvements in Angler Use..................................................................................12
D.
Heavy Construction Equipment Needs..................................................................13
E.
Conclusions............................................................................................................14

VI.

CITATIONS ....................................................................................................................15

Appendix A: VHCT program informational brochure .................................................................16

ii

�I.

INTRODUCTION

A. Purpose of the Vocational Heavy Construction Technology Program
The Vocational Heavy Construction Technology (VHCT) program exists to provide student
inmates with education and training that will equip them with the basic life and work skills
necessary to obtain employment with a construction company once they have completed their
sentences. This program is a cooperative program between the Colorado Department of
Corrections (CDOC) and the Colorado Contractors Association (CCA). The Colorado Division
of Wildlife (CDOW) has been the major customer of the program, particularly in South Park
where natural river processes and aquatic habitats have been restored nearly nine miles of the
South Platte River.

B. Why Restore Rivers?
Overall health of river aquatic habitats generally deteriorate because of poor land use in the
watershed and riparian areas, accelerated stream bank erosion, poor water quality and stream
flow regimes altered by water use such as irrigation diversions or transport of water via the
stream for domestic purposes. When this occurs fish and aquatic habitats are degraded.
Past land practices have caused many portions of the South Platte River to become degraded in
South Park. Some of the major factors leading to the South Platte River’s current degraded state
include historic mining operations, channelization for irrigation and to accommodate railroads,
extermination of beaver, changes in the natural stream flow regime due to water impoundments
and long-term affects due to overgrazing.
River restoration projects can improve river bank stability, natural river processes and in-channel
aquatic and fish habitats. Our river restoration experience and studies indicate the most severe
cause of aquatic and trout habitat degradation can be traced to eroding stream banks and over
width river channels. Our river restoration projects concentrated in these two areas, encouraging
natural river processes.
Completed channel improvements in South Park have nearly doubled adult and juvenile brown
trout WUA (weighted useable area, Milhous et al. 1984). Trout biomass also increased almost
2.5 times with channel improvements. The increase in biomass was from new trout production
and migration of fish into newly created habitat.
In addition to these direct measures of success, the Statewide Fish Management Policy states
several principles related to river restoration.
1.

The long-term health of aquatic systems, including both habitat and
fisheries, is paramount.

2.

Providing recreational fishing opportunity will be an important objective of
the Colorado Division of Wildlife.

1

�3.

The protection of native species and their habitats is a priority.

Thus, it follows that both the protection of existing healthy fisheries habitat as well as restoring
degraded habitats back to a healthy state should be a high priority in regards to fisheries
management. River restoration activities not only rehabilitate existing degraded aquatic habitats
for fish, but also can potentially create new fish habitat where formerly no fish were present.
The goal of river restoration work is to repair degraded aquatic habitats and thus influence the
long-term health of aquatic systems. New recreational fishing opportunities are created either
through rehabilitation of degraded fish habitat (marginal habitats), enhancement of aquatic
habitat to address factors that limit fish populations, and/or creation of new aquatic fish habitat
where there once was no habitat at all. Therefore, the Statewide Fish Management Policy
provides a clear mandate for restoring streams and rivers in Colorado.
In addition to the Statewide Fish Management Policy, the Colorado Division of Wildlife 20022007 Strategic Plan states the following under F-1, Fishery Habitat Quantity and Quality:
“Healthy aquatic environments are essential to maintain healthy and viable fisheries, and
critical for self-sustaining populations. The Division desires to protect and enhance the
quality and quantity of aquatic habitats.”
The desired achievement, F-1.1, is to “protect and enhance existing quantity and quality of
habitats available to support fish populations.” One of the performance measures listed under
this desired achievement is to “Quantify performance targets for in-stream flows, conservation
pools, purchase or lease of water for aquatic habitat and habitat improvements.” Included under
Recommended Means are two statements:
1.

Protect the quality of habitat through working partnerships to achieve pollution
abatement, environmental protection, and physical habitat improvements.

2.

Take actions to minimize the negative impacts upon aquatic habitats
resulting from human activity.

The most recent statewide resident Angler Survey conducted in 2004 helps to direct priorities of
aquatic habitat restoration. The following information is from the 2004 Colorado Angler Survey
Summary Report (March 2006).
The 2004 Angler Survey reaffirms the importance of trout fishing in Colorado since seventy-six
percent of resident anglers list “trout” as their preferred fish. All of Colorado’s coldwater
habitats, including seasonally cold waters, are important in meeting the statewide demand for
trout fishing. Most of the restoration efforts conducted in Colorado have focused on coldwater
habitats containing trout, including all work conducted in South Park by through the VHCT
program.
When queried about where anglers prefer to fish, the majority of anglers of all license types say
they most often fish in mountain lakes, followed by coldwater streams and lakes in lower

2

�elevations. Almost all restoration work conducted through the VHCT program has involved
restoration of coldwater streams.
When licensed anglers were presented with a list of potential steps the CDOW could take to
encourage them and other anglers to fish more, the top most frequently mentioned steps (in order
of preference) by anglers were:
1. Improve the quality and size of fish.
2. Increase access to fishing locations on private land.
3. Improve fish habitat.
4. Stock more catchable trout.
5. Provide better information on where to fish.
Thus, the angling public recognizes the importance of fish habitat improvement as a way to
encourage themselves (and other anglers) to fish more. They even ranked fish habitat
improvement as more important than increasing the numbers of stocked catchable trout.

II.

VHCT PROGRAM BACKGROUND

A. History
The VHCT program began during the mid 1990’s after Warren Diesslin, former Warden of the
Buena Vista Correctional Facility, and Eddie Kochman, former CDOW Aquatic Section
Manager met several times, starting in 1997, and discussed a joint venture to rehabilitate
degraded stream habitats in South Park, CO while simultaneously providing heavy construction
training for inmates sincere about changing the direction of their lives.
Tom Bowen coordinated and developed the new VHCT program with the support and approval
of Warden Diesslin. While creating the program, Tom benefited from his past work experience,
including working as a prison guard and later as a DOC vocational educational instructor with
years of practical heavy construction experience. Tom had a vision for the program that would
enable inmates to more effectively transition from prison back to society with the hope of a
secure, well-paying job once they had completed the program. Tom’s belief was that out of such
a program, lives would ultimately be changed and recidivism reduced. Tom located a willing
program sponsor in the Colorado Contractors Association (CCA). Among other important
functions, the CCA serves as an advisory board to assist students with job placement once they
have completed the program. The VHCT program brought together two state agencies (CDOW
and CDOC) with different missions and a major trade association, the CCA, in a rare
partnership: to help redirect human lives while restoring river natural processes and aquatic
habitats within driving distance of Buena Vista (see VHCT program brochure, Appendix A).

3

�The first CDOW/CDOC river restoration project was completed in 1998 (Figure 1). The CDOW
paid for restoration materials including boulders, trees, and cobble; heavy equipment rentals;
inmate salaries (at $.60 per hour) and provided on-the-job technical assistance. This first river
restoration project using student inmates was highly successful in terms of enhancing aquatic
habitat for sport fish and restoring natural river processes. More importantly when these inmates
(about 20 students) were released from prison, they all found jobs in the construction industry
and were successful in turning their lives around.

Figure 1. Photo of VHCT inmates involved in the first restoration project in South Park, 1998.
Based on the early success of river restoration projects through the VHCT program, former
CDOW Director, John Mumma, earmarked $1,000,000 of capital construction monies for river
restoration projects in South Park over a five-year period. CDOW has continued funding river
restoration work in South Park through 2007. CDOW invested monies for restoration projects
because of the significant cost savings resulting from this program (up to 90% cost savings) and
because it allowed CDOW aquatic researchers (technical managers) opportunities to implement
on-the-ground creative ideas without expensive change-order charges during construction. This
project cost savings plus the valuable vocational training during river restoration projects made
this a win-win situation for inmates, the CDOW, CDOC and subsequently the private sector
contractors who hire heavy equipment operators.

4

�B. Student Inmate Rehabilitation Program
Only student inmates sincere about changing their lives and lacking heavy equipment experience
are admitted as candidates for the VHCT program. Student applicants must have a high school
education or equivalent and be approved through an interview process with the Program
Advisory Board (CCA). The program provides hands-on training related to operating heavy
equipment and obtaining necessary experience to gain employment within the construction
industry at a salary considerably higher than employment available to them prior to
incarceration. On-the-job training includes heavy equipment operation, heavy equipment
maintenance, surveying skills, blueprint reading, development of various additional construction
job skills, teamwork development, inmate behavioral changes and leadership training. The
VHCT program aids inmates in redirecting their lives once they are released from prison, as
evidenced by the reduced recidivism rates of inmates successfully graduating from the program.
The VHCT program is self supporting using the monies generated from contracts with
customers, primarily public entities.
The VHCT program works because it instills a work ethic which enables inmates to develop self
confidence on the job and in their lives, and it helps students develop individual job skills.
Alumni provide an important safety net to recent graduates during the first critical months after
leaving prison. The program has also served to build interpersonal relationships as alumni assist
recently released graduates by loaning them money to buy work clothing and safety equipment
for their jobs. They also assist newly released students to find jobs. Once inmates graduate from
the program and are released from prison, they live in a halfway house. CDOC program staff,
VHCT program alumni, and CCA members work together to assist inmates with securing a job
in the construction industry.
Besides the CDOW, the VHCT program also contracts for natural resource construction projects
with Federal agencies, the U.S. Fish and Wildlife Service, and U.S. Forest Service and public
entities including the Denver Water Department, Trout Unlimited and Park County-Upper South
Platte Coalition.

III.
A.

VHCT PROGRAM RESULTS
River Restoration

A major component of the VHCT program has been to restore natural river processes and instream aquatic habitats. To date, student inmates have rehabilitated 8.7 miles of degraded
aquatic stream habitats on CDOW properties located along the South Platte River in South Park
(Table 1). Stream habitat rehabilitation utilized 22 different habitat treatments that fall within
three functional categories: restoring river natural processes, reducing bank erosion, and
enhancing aquatic habitat for sport fish (Table 2). Treatments include the use of rock, stumps,
logs and riparian plants for bank revegetation. South Park was identified as an ideal location to
implement the program because CDOW owns or leases over 25 miles of public fishing waters in

5

�the Upper South Platte River drainage and because of its close proximity to the Buena Vista
Correctional Facility. Much of the South Platte River in South Park is degraded due to excessive
livestock grazing and mining. Through FY 2006-2007, CDOW/CDOC river restoration projects
in South Park have cost an average of $21/linear foot. A survey of six recent river restoration
projects conducted in Colorado by private companies range in cost from $61-$390/linear foot
(Table 3). The average cost for these private industry projects was $218/linear foot. Stream
restoration cost savings utilizing the VHCT program result in an average cost savings of 90%, or
up to 20 times less expensive than private industry.

6

�Table 1. CDOW stream restoration projects completed using the VHCT program including year of project completion, restoration
location, county, length of stream restored, costs, major treatments implemented, land ownership, and primary funding sources.
Length
(miles)

Project
Cost (total/per
Major Treatments
linear ft)

Ownership

Funding

Park

.2

$97,850 / $92.66

Colo. State Parks

CDOW/Cap. Const.

Park

.7

$139,610 / $37.77

Denver Water Dept.

2000

South Fork of South Platte
River
Threemile Creek

Park

.5

$138,000 / $52.27

DWD/CDOW Cap.
Const.
CDOW/Cap Const.

200l

South Platte River

Park

.9

$148,000 / $31.14

2002

South Fork of South Platte
River
South Fork of South Platte
River

Park

1.2

$146,000 / $12.57

Park

1.0

2003

South Platte River

Park

1.0

$128,725 / $24.38

2004

South Platte River

Park

.3

$47,000 / $29.67

2005

South Fork of South Platte
River

Park

1.7

2005

Tarryall Creek

Park

.6

2006

South Fork of Middle South
Platte River

Park

.6

Year

Stream

County

1998

South Platte River

1999

2002

Total

All Streams

$84,000 / $6.92

$50,600 / $15.97

Park

8.7

$979,785 / $21.33
7

Reduce channel width,
excavate pools, boulder &amp; log
placement
Excavate new channel,
Boulder and log placement
Constructed new flood
channel for Threemile Creek,
dam and retention lake.
Reduce channel width,
excavate pools, boulder &amp; log
placement
reduced channel width,
excavate pools
reduced channel width,
excavate pools , boulder &amp; log
placement
reduce channel width,
excavate pools, boulder &amp; log
placement
reduce channel width,
excavate pools, boulder
placement
Installed streamflow structures
and developed existing
channels, excavate pools
Reduce channel width,
excavate pools, willow &amp; log
placement
Reduce channel width,
excavate pools, boulder &amp; log
placement

&gt; 20 total treatments
applied

CDOW/Lower
Spinney SWA
CDOW/Lower
Spinney SWA

CDOW/Cap Const.

CDOW/
Knight/Imler SWA
CDOW/ Badger
Basin SWA

CDOW/Cap.
Const.
CDOW/Cap. Const.

Aurora/Colo. State
Park

CDOW/Cap. Const.

CDOW/Lower
Spinney SWA

CDOW/Cap. Const.

CDOW/Upper
Spinney SWA

CDOW/Cap Const.

CDOW/ Tarryall
SWA

CDOW/Cap Const.

CDOW/ Badger
Basin SWA

CDOW/Cap Const.

-

-

�Table 2. Benefits assigned to river channel and aquatic/trout habitat treatments used in
restoration projects.
Treatments to Improve Natural River Processes
Benefits
River Channel Treatment
Natural processes Reduces bank erosion
Aquatic habitats
Reduce river channel width
Primary
Secondary
Primary
Pool excavation
Primary
Secondary
Primary
Elevate riffle substrate
Primary
Limited
Primary
Woody overhead trout cover
Primary
Secondary
Primary
Riparian vegetation
Primary
Primary
Secondary
Riparian bench
Primary
Primary
Secondary
Woody Material Treatments Used to Reduce River Bank Erosion
Benefits
River Bank Treatments
Natural processes Reduces bank erosion
Aquatic habitats
Log spur
Secondary
Primary
Secondary
Log vane
Secondary
Primary
Secondary
Horizontal log
Secondary
Primary
Primary
River bank root wad
Secondary
Primary
Primary
Channel-edge log/root wad
Secondary
Primary
Primary
Boulder Treatments Used to Reduce River Bank Erosion
Benefits
River Channel Treatments
Natural processes
Reduces bank erosion Aquatic habitats
Cross vane
Secondary
Primary
Primary
Single boulder deflector
Secondary
Primary
Secondary
Hard point
Secondary
Primary
Limited
Boulder J hook
Secondary
Primary
Primary
Boulder vane
Secondary
Primary
Secondary
Treatments to Enhance Mid-Channel Aquatic and Trout Habitats
Benefits
Aquatic Habitat Treatments
Natural processes Reduces bank erosion
Aquatic habitats
Random boulders
Limited
Limited
Primary
Boulder clusters
Rock garden
Stumps
Mid-channel root wads
Off bank root wads

Limited
Limited
Limited
Limited
Limited

Limited
Limited
Limited
Limited
Secondary

8

Primary
Primary
Primary
Primary
Primary

�Table 3. Cost comparison of six major river restoration projects from Colorado with river
restoration costs using the VHCT program including stream name, river restoration
collaborators, miles of river restored, restoration cost, and reasons for restoration.

Stream name

Blue River

River restoration company/
organization
Northwest Colorado Council of
Governments (NWCCOG), Town
of Silverthorne, T.U., National
Forest Foundation, CDOW, and
Denver Water

Miles
restored

0.6

Cost per
linear foot

$61

Little Snake River

Dave Rosgen, Wildland Hydrology

10.5

$90

San Miguel River
(Phase I)

Town of Telluride (Public Works)

0.7

$200

Eagle River
(Edwards Eagle
River restoration)

Eagle River Watershed Council

1.6

$236

Lefthand Creek

CDOW, City of Longmont (Public
Works), Parks and Open Space,
CDOT, Longmont Power and
Communications, Carter &amp;
Burgess, Duran Excavating,
Aquatic and Wetlands Company,
and Property Owners

0.9

$333

0.4

$390

8.7

$21

West Ten-mile
Creek
South Platte River

CDOW/CDOC (VHCT program)

9

Reason for restoration
Enhance aquatic habitats
and channel
reconstruction

Enhance aquatic
habitats, channel
reconstruction, and
riparian revegetation
Restoration included:
creation of an instream
sedimentation basin,
implementing bank
stabilization treatments,
creating and improving
wetlands, developing
riparian habitats,
enhancing aquatic
habitat, and placing
instream hydraulic
structures.
Enhance aquatic
habitats, channel
reconstruction, and
riparian revegetation
Channel reconstruction,
floodplain reconnection,
and riparian revegetation

Channel reconstruction
and riparian revegetation
Restore natural river
processes, reduce bank
erosion, enhance
aquatic habitats

�B.

Restoration of Inmate Lives

Another part of the program’s mission is to develop student inmate work ethics necessary to
succeed in the industry as well as society. The VHCT program fosters an environment that
promotes integrity, trust, responsibility and confidence. The program encourages changes in
behavior, changes in the way students think and helps them to establish priorities and goals
necessary to get a “fresh start” in life. Inmates receive a minimum of 18 months of on-the-job
training in heavy equipment and maintenance. To date, 127 student inmates have graduated
from the VHCT program. Only 15 students have returned to prison because they violated
program rules. The program recidivism rate is 12% compared to a 60% overall recidivism rate
in the Colorado penal system. A major accomplishment that has taken place with this program is
the mentoring of recent VHCT program graduates from VHCT alumni. This is particularly true
for those students when they reach the halfway house.
Typical salary range for program graduates is $15.00-$18.00/hour with an annual salary of
$40,000-$50,000 (including overtime wages). For example, one program graduate is now a
project superintendent in Denver for a large construction company and has an annual salary of
$72,000/year. Another graduate started his own roofing company in Montrose and hires inmates
on release from local jails.

IV.

PROGRAM COSTS AND BENEFITS

A. Inmate Incarceration
On average, each inmate returning to prison costs taxpayers about $35,000 per year. The breakeven point of a $600,000 expenditure (cost for four pieces of heavy equipment) would be
reached when 17 former inmates were returned to prison for one year. The VHCT program has a
12% recidivism rate compared to 60% for the statewide penal system. A one-time cost of
$600,000 over a 10-year period appears to be a sound investment for this program because it has
reduced recidivism by 48%. The program has graduated 112 inmates that are now tax-paying
citizens living crime-free lives.

B.

River Restoration Costs

River restoration projects completed by this CDOW/CDOC program have provided savings
ranging from 31-90% over private industry costs. The actual improvement to the fishery, in
terms of increased biomass per mile or increase in the proportion of quality-sized fish has not
been well-estimated or studied. However, the number of angler hours that restored river
segments provide over un-restored segments is greatly increased (personal communication, Jeff
Spohn CDOW fisheries biologist). This change in the total number of angler hours (recreation
opportunity) from before and after river restoration projects has also not been well-studied and
only weak data exist to document changes in angler use in these areas. However, anglers have
expressed high satisfaction with their experience in fishing restored segments of the South Platte
River.

10

�IV.

COMMITTEE RECOMMENDATIONS

A. Background
During the winter and spring of 2007, committee members met on several occasions to discuss
VHCT program needs and recommendations for the future. The committee identified the
following conditions as necessary to ensure the VHCT program’s continued ongoing success. In
addition to the VHCT program’s contributions to restoring portions of the South Platte River,
CDOW research will focus on quantifying how habitat improvement work has increased angling
opportunities, increased the level of angler use and satisfaction, and how specific habitat
improvement treatments perform over time.

B.

VHCT Program Expansion

If the program owns its own heavy equipment, the cost savings could be passed on to other state
agencies like Colorado State Parks and Colorado Bureau of Mines and Reclamation. The Aurora
Water Department and Superfund sites in the Leadville area may also have an interest in the
services provided by this program. The program could also potentially be expanded to other
locations in Colorado that have candidate river restoration sites nearby a state correctional
facility (Rifle or Delta). While this paper focuses on aquatic program benefits, there are similar
opportunities for terrestrial programs to benefit from the VHCT program. The CDOC facility at
Sterling could be a prime example where medium security inmates can receive similar training.
A small program currently exists at Sterling, but CDOW has not yet contracted for services.
Future projects in South Park will continue to focus on the most degraded sections of the South
Platte River. A total of 7.2 miles of degraded river segments have been identified as candidate
sites that would benefit from CDOW/CDOC river restoration projects (Table 5).

11

�Table 5. Prioritized South Park stream channels segments and projects that would benefit from
CDOW/DOC restoration projects.

Stream

Length
(mile)

Primary
Treatment

2.5
1.0

Reduce channel width,
Excavate pools
Reduce channel width,
Excavate pools

Middle Fork/ South
Platte River
South Fork of
South Platte River
South Fork of
South Platte River
South Platte River

1.0

South Platte River

1.0

Tarryall Creek
(upstream from
Tarryall Res.)
Tarryall Creek
(Upper SWA
segment)
Total

.5

C.

1.0

.2

7.2

Reduce channel width,
Excavate pools
Reduce channel width,
Excavate pools
Reduce channel width,
Excavate pools
Design new stream
channel &amp; irrigation
diversion
Design trout passage
around an irrigation
diversion structure
-

Project
Description
Upper Spinney SWA/Lower end of
Badger Basin perpetual easement
River reach upstream of Badger
Basin HQ - Lower end of Badger
Basin perpetual easement
Badger Basin perpetual easement
adjacent to Hartsel town site
Lower Spinney SWA (Dream
Stream)
River segment downstream of Park
Co. Rd 59.
Construct new stream channel and
irrigation diversion.
Construct trout passage structure
over irrigation diversion
-

Research Opportunites

Sport Fish Enhancement
Future research opportunities associated with river restoration work in the South Platte include
the following: a comprehensive study that would seek to quantify how habitat improvements
have increased carrying capacity in streams, increased sport fish biomass, changed the number of
quality-sized sport fish and assisted in addressing limiting factors/conditions that might
otherwise preclude sport fish enhancement (in terms of total biomass). Determining whether
particular habitat treatments are more appropriate than others to maximize the benefits to sport
fish, whether particular habitat treatments would favor rainbow trout over brown trout (or favor
one particular fish species over another, including non-desirable species). Developing a
comprehensive plan for monitoring stream habitat improvements over time and developing
modeling techniques that would assist in addressing these questions (simulating various habitat
treatment scenarios under varying flow conditions, etc.).
Improvements in Angler Use
Another research objective would be to quantify how habitat improvements increase recreational
angling use and increase the total number of angler hours per stream mile. A program creel

12

�study may be appropriate to document angler use of restored versus un-restored stream segments.
This is important in determining how habitat improvement projects might increase angler use
annually, an important economic incentive to consider when planning future restoration projects.

D. Heavy Construction Equipment Needs
Field CDOC staff and CDOW biologists have identified four pieces of heavy construction
equipment that are needed to insure the program’s continued success. Currently, the most
expensive part of the river restoration projects (annually) is heavy construction equipment rentals
(Figure 3). Specific equipment needs include an excavator with an attached hydraulic thumb, a
front end loader, a backhoe with attached hydraulic thumb and a road grader. The estimated life
of this equipment could be as high as 10 years. The total cost for these four pieces of heavy
equipment would be approximately $600,000, depending upon price quotes and contributions by
the construction industry (Table 4).

Excavator w/ thumb
Front end loader
(tracked)
Backhoe w/ thumb
Motor grader
Dump truck
Cobble
Fuel
Labor

Figure 3. Typical costs associated with 3 month restoration project (based on FY 05-06 values).
Cost percentages include the following: heavy equipment rental = 81%, treatment materials =
9.5%, fuel = 8.5% and labor = 1%.

13

�Table 4. Equipment costs (purchase and lease) for 4 pieces of heavy construction equipment
necessary to perform stream restoration projects.
Heavy equipment

Annual lease

Purchase

Excavator w/ attached hydraulic thumb

$68,100

$189,750

Front-end loader

$58,000

$125,400

Road grader

$58,000

$200,000

Backhoe w/ attached hydraulic thumb

$36,000

$89,825

Total

$220,100

$604,925

If the VHCT program had its own heavy equipment, seat time for inmates would not be limited
by the short-time period that heavy equipment is leased. Inmates could spend more time learning
operational and maintenance skills as well as developing additional skills if the equipment was
available on-site and on a year-round basis.
E.

Conclusions

The VHCT program consists of a rare partnership between the CDOC, CDOW, and private
industry. The program has endured for nearly 10 years in spite of numerous obstacles and
challenges. Each party involved realizes a tremendous benefit from this relationship, as well as
society as a whole. The CDOC ultimately benefits by successfully rehabilitating inmates and
lowering the overall recidivism rate for prisoners in the Colorado penal system, the CDOW
benefits by improving degraded stream habitat and increasing angling opportunity and
satisfaction completed at a fraction of the expense required if using private contractors, the
private industry benefits from a pool of well-trained individuals from which to hire from, and
society as a whole benefits from the program when inmates are successfully rehabilitated and
reintegrated into society as law-abiding, tax-paying citizens holding down a steady job. A
unique program such as this deserves the attention and financial support necessary to ensure its
continued success.

14

�VI.

CITATIONS

Milhous, R. T., D. L. Wegner, and T. Waddle. 1984. User’s Guide to the Physical Habitat
Simulation System. Instream Flow Information Paper 11. U.S. Fish Wildl. Serv. FWS/OBS81/43 Revised. [475 pp.]

15

�Appendix A.

16

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              <text>In 1997 Warren Diesslin, former Warden of the Buena Vista Correctional Facility, and Eddie Kochman, former Colorado Division of Wildlife (CDOW) Aquatic Section Manager, met and discussed a joint venture to rehabilitate degraded stream habitats while providing heavy construction training for inmates sincere about changing the direction of their lives. These men conceived and supported the vision of what is now known as the Vocational Heavy Construction Technology (VHCT) program. Tom Bowen, once a prison guard and later a Colorado Department of Corrections (CDOC) vocational educational instructor with years of practical heavy construction experience, developed and coordinated this program with the support and approval of Warden Diesslin. Tom contacted the Colorado Contractors Association (CCA) and they agreed to serve as a program sponsor. The CCA has since become an integral part of the program, serving as the advisory board and assisting student inmates with job placement once they have successfully completed the program. Through the VHCT program, two state agencies (CDOW and CDOC) and private industry have formed a rare partnership with different missions: to help redirect human lives while restoring river natural processes and aquatic habitats within driving distance of the Buena Vista Correctional Facility.</text>
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