Trino Pedraza, New Braunfels Utilities - Speaker at the marcus evans Water & Wastewater Management Summit 2012, held in Summerlin, NV, May 3-4, 2012, delivered his presentation on the topic Taking the Bull by the Horns with Reliability Centered Maintenance
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Taking the Bull by the Horns with Reliability Centered Maintenance - Trino Pedraza, New Braunfels Utilities
1. NBU S i i F E ll
NBU Striving For Excellence
•NBU was established in 1942 as an Electric Transmission and Distribution System
•In 1959 the City of New Braunfels transferred the Water and Sewer systems to NBU
•NBU employs over 200 people in three lines of business: Electric, Water and
Sewer/Wastewater
2. •The NBU Water System has the
benefits of two water supplies that
b fit f t t li th t
NBU Service Area
serves 24,000 water connections
through 454 miles of water pipe:
•Ground water pumped
through municipal wells from
th h i i l ll f
the Edwards Aquifer
•Surface water from the
Guadalupe River treated at
our surface water treatment
f t t t t
plant
•The NBU Sewer/Wastewater
system serves 20,300 sewer
connections through 345 miles of
ti th h 345 il f
sewer pipe connected to three
wastewater treatment plants
•The NBU Electric System serves
28,000 connections through 770
28 000 connections thro gh 770
miles of overhead and underground
distribution lines
3. Americas Economy
A i E
is Struggling
Americas
Infrastructure is RATE INCREASE
Failing
Fuel and Energy City Growth
Costs are on the
Costs are on the Causing Capacity
Causing Capacity
Rise Issues
Repair Costs are
Skyrocketing
4. Quality
y
Management
Leads
Transformational
Change
8. Water Distribution Maintenance
Valve and Hydrant PM Program
y g
Ensures valves and hydrants are operational, not leaking and
in proper position
Our team aggressively PMs over 750 valves a year
This represents 7.5% of the system
The information gathered is stored in our CMMS /GIS systems
The information gathered is stored in our CMMS /GIS systems
9. Water Distribution Maintenance
Water Distribution Maintenance
Today the leak detection team consists of a 3 man crew armed
with state of the art leak detection equipment
q p
The crew uses 60 programmed data loggers to monitor an
area
If the data loggers register a possible leak, the team will use a
correlators to pin point the leak
Once the leak has been found the team will repair the leaks
Once the leak has been found the team will repair the leaks
and capture the leak attributes
10. Projected Savings Based on Original 2700 gal/mile/day goal
P j t dS i B d O i i l 2700 l/ il /d l
Water Savings Per Year
FY 2009 Fy 2010
y FY 2011 FY 2012
Preprogram Water
Loss 2,700 2,700 2,700 2,700
Fiscal Year Water
Loss
L 1,909
1 909 1,823
1 823 1,219
1 219 1,059
1 059
Water Loss Savings 791 877 1,481 1,641
Savings Gal/day 359,905 399,035 673,855 746,655
Savings Gal/Yr 131,365,325 145,647,775 245,957,075 272,529,075
Calculation Factors:
Water Loss is in Gal/mil/day
Water Loss is in Gal/mil/day
365 days/Yr
455 miles of distribution
*FY 2012 is projected water savings if water loss stays at current level
11. SUCCESS
Exit 191
Canyon L k
C Lake
Collection Maintenance Program
12. Collection Maintenance Program
• Proactive Line Clean • Cured in Place Pipe
and Televise (CIPP) program
• S k T ti
Smoke Testing • L t lR h bP
Lateral Rehab Program
• Vacuum Testing CIPP
• The information
collected is stored in
our
CMMS/GIS/Modeling
CMMS/GIS/Modeling
systems
13. Why CIPP
Pros Cons
• Trenchless Technology
Trenchless Technology • Reduces pipe
Reduces pipe
• No spoils diameter slightly
• Reduces Infiltration • Very strict and exact
process
• Increases Flow Capacity
• Point repair may be
• Less expensive than
required prior to
q p
traditional open trench
traditional open trench
lining
methods in many cases
• Faster
• Safer
15. Discount Tire Project
Cost Analysis
$30,000.00
$ , 50 00
$27,750.00
$25,000.00 $23,925.80
$21,222.00
$20,000.00
$15,000.00
$10,371.00
$10,000.00
$5,000.00
$0.00
Cost of In House Open Cost of Contracted Open Cost of CIPP In House Cost Of Contracted CIPP
Trench Replacement Trench Replacement Sewer Main (FUQUAY)
(Droptine)
16.
17.
18. • General Inspection
• Oil Leaks, Sight Glass Condition
“Prep” Site Visit by Baseline Readings • Seals
PdM Team obtained • Electric Contacts
• Install infrared ports for infrared
• Thermography
• Vibration Analysis
• Laser Align Machines
• Motor/Electrical Circuit Analysis
Office
45-day Trino Reviews & PdM Performs Analysis :
or Jason sends Final PdM Team writes • Commtest (Vibration) No
60-day Route Any Red Flag Issues?
Report Report • SmartView (Infrared)
w/Recommendations • EMCAT (MCA)
• SKF Lubrication Planner
Yes
Certificates:
• Vibration (Level II) Jason informs Trino who
PdM Team informs
informs applicable
• MCA I Maintenance Planner
Manger of Red Flag
& Generates WO in
•Thermography
Thermography Issues
CMMS
•MLT 1