SLIDE 1
Winter Maintenance Robert M. Peda
Revised 08/10/2017 Workbook 09/12/2016
Goal: Discuss efficient & effective winter maintenance
- perations through
implementation of proven best practices.
15
Winter Maintenance Robert M. Peda Revised 08/10/2017 Workbook - - PowerPoint PPT Presentation
Winter Maintenance Robert M. Peda Revised 08/10/2017 Workbook - - PowerPoint PPT Presentation
Winter Maintenance Robert M. Peda Revised 08/10/2017 Workbook 09/12/2016 Goal: Discuss efficient & effective winter maintenance operations through implementation of proven best practices. 15 Creating a Winter Maintenance Plan 17
SLIDE 2
SLIDE 3
Creating a Winter Maintenance Plan
17
SLIDE 4
Components of a Winter Maintenance Plan
- Budgeting
- Materials Purchasing
- Materials Storage
- Equipment
- Personnel
- Weather Services
- Levels of Service
- Snow Emergency
Routes
- Parking Restrictions
Budgeting Materials Weather Services Personnel Equipment
19
SLIDE 5
Budgeting
20
SLIDE 6
Materials Purchasing
22
SLIDE 7
Materials Storage
23
SLIDE 8
Levels of Service
30
SLIDE 9
Questions & Discussion
48
SLIDE 10
Sensible Salting & Winter Operations
64
SLIDE 11
Winter Services Approach – Type of Storm
Spreading Storm
66
SLIDE 12
Winter Services Approach – Type of Storm
Plowing Storm
67
SLIDE 13
Standard Application Rates
69
SLIDE 14
Standard Application Rates
70
SLIDE 15
Monitoring the Storm
71
SLIDE 16
Environmental Factors
72
SLIDE 17
Stockpile Facility Functionality
73
SLIDE 18
After Action Reviews
W hat Happened W hat W as Supposed to Happen W hy W hat Happened Happened W hat Might Be Learned From W hat Happened
AAR
74
SLIDE 19
Road Salt Basics for Sensible Salting
76
SLIDE 20
How Salt Works
77
SLIDE 21
Characteristics of Salt & Melting Capacity
78
SLIDE 22
80
SLIDE 23
81
SLIDE 24
Dilution of Solution
82
SLIDE 25
Pre-wetting Salt
90
SLIDE 26
Definition and Advantages of Pre-wetting
1/ 3 1/ 3 1/ 3 46% in center 15%
- ff road
100% dry salt spread in center 1/ 3 of road 12%
91
SLIDE 27
Definition and Advantages of Pre-wetting
1/ 3 1/ 3 1/ 3 78% in center 9% 2%
- ff road
100% pre-wetted salt spread in center 1/ 3 of road
92
SLIDE 28
Definitions and Advantages of Pre-wetting
95
SLIDE 29
Application Rates
Pre-wetting Application Rates
Liquid Chem icals at Eutectic Concentration NaCl ( Sodium Chloride) MgCl2 ( Magnesium Chloride) CaCl2 ( Calcium Chloride) Surface Tem perature Above 25⁰ Pre-wet with 8 to 10 Gallons/ Ton Not Recommended Not Recommended Surface Tem perature Between 0⁰ and 25⁰ Not Recommended Pre-wet with 6 to 8 Gallons/ Ton Pre-wet with 6 to 12 Gallons/ Ton 96
SLIDE 30
Pre-wetting Methods & Equipment
97
SLIDE 31
Pre-wetting Methods & Equipment
Iowa DOT photo
98
SLIDE 32
Pre-wetting Methods & Equipment
Iowa DOT photo Iowa DOT photo
99
SLIDE 33
101
Anti-icing with Brines
SLIDE 34
Definition and Advantages of Anti-icing
102
SLIDE 35
Definition and Advantages of Anti-icing
103
SLIDE 36
Anti-icing Decision Tree
105
SLIDE 37
Anti-icing Application Rates
108
SLIDE 38
Anti-icing Equipment
109
SLIDE 39
Anti-icing Equipment
110
SLIDE 40
Storage of Liquid Deicers
121
SLIDE 41
Calibrating the Spreader = Sensible Salting
155
SLIDE 42
Spreader Calibration Process Walk Through
158
SLIDE 43
Spreader Calibration Step 1
159
SLIDE 44
Spreader Calibration Step 2
160
SLIDE 45
Spreader Calibration Step 3
161
SLIDE 46
Calibrating a V-box
162
SLIDE 47
Spreader Calibration Step 4
- Set engine RPMs at normal
- peration range
- Set Auger control at setting
to be measured
- Use stopwatch to count
auger shaft revolutions per minute (60 seconds)
163
SLIDE 48
Spreader Calibration Step 4
164
SLIDE 49
Spreader Calibration Step 5
165
SLIDE 50
Spreader Calibration Step 6
166
SLIDE 51
Spreader Calibration Step 7
167
SLIDE 52
Spreader Calibration
168
SLIDE 53
Salt and Snow Management Resources
216
SLIDE 54
Questions & Discussion
217
SLIDE 55
235