Methods and Tools for Increased Productivity for Cleaning Sewer Lines

Transcription

1 Methods and Tools for Increased Productivity for Cleaning Sewer Lines Presented by Craig Van Thyne Orange CA Serving the Industry since 1975

2 Empire Pipe Cleaning and Equipment, Inc. Empire Pipe Cleaning was established in 1975 and we offer cleaning and CCTV Inspection of sewer and storm drain systems. We also offer potholing, smoke testing, manhole inspections, GPS and GIS integration, and condition assessment support.

3 Empire Pipe Cleaning and Equipment, Inc. Cleaning Trucks 6 Combination Cleaning Trucks Vactor and Vac- Con JetterTruck with 1200 Feet capability for cleaning easements and long reach applications

4 Empire Pipe Cleaning and Equipment, Inc. CCTV Inspection 6 CCTV Inspection Units Envirosightand RS Technical Services All operators are NASSCO MACP, LACP and PACP Certified CCTV Inspection, Lateral Launch, and Scanning Capabilities Software platforms currently operating: POSM, WinCan, and Granite

5 Empire Pipe Cleaning and Equipment, Inc. Cleaning and Maintenance Annual Cleaning Contracts 24 Hour on call provider for emergency callout Provide proactive cleaning programs including quarterly Trouble Spot Cleaning. CCTV Inspection Provide small to large scale CCTV Inspection Experience with POSM, WinCan, and Granite Software platforms Provide integration with condition assessment projects

6 Sewer and Storm Drain Cleaning Methods Equipment Sewer Cleaning Tools Cleaning Methods GIS Integration

7 Cleaning Trucks Selection of Truck based on the application Water pump and vacuum system based on scope of work. Larger pipe and quantity of debris may require larger pumps and more vacuum capacity City applications may require smaller trucks when access and street congestion is limiting factor. Does the application require Positive Displacement (PD) or Fan for vacuum? extended hose?

8 Sewer and Storm Drain Cleaning Methods Equipment Sewer Cleaning Tools Cleaning Methods GIS Integration

9 Cleaning Tools Selection of equipment based on application. Nozzle selection very important!! Factors such as pipe diameter, pipe material, expected debris levels, and access. Larger Pipe and higher levels of debris will require larger cleaning nozzles capable of moving debris with higher volumes of water. Shown is a storm drain completely infiltrated with roots and dirt. A chain flail cutting tool was used to clean the line 100%

10 Tier I & II Nozzles Tier I Nozzle - Lower purchase price - Disposable - Drilled Orifices -Poor Fluid Mechanics Tier II Nozzle - Moderate cost - Replaceable Jet inserts - Poor/Fair Fluid Mechanics -Up to 60% efficiency rating - Most common upgrade in the industry - 30% efficiency rating -Common in the industry

11 High Efficiency Tier III Design with individual water channels

12 Basics of Tier Design Tier III Fluid Mechanics smoothly reverse water without turbulence and minimal energy loss Tier I & II with flat bottoms create water turbulence and great energy loss

13 Sewer and Storm Drain Cleaning Methods Tier lll Nozzles Highest Initial Cost Good/Excellent fluid mechanics Replaceable Jet inserts Highest Performance with titanium ceramic Jet inserts High Grade Stainless Steel Precision machining and assembly 80%-90% efficiency rating

14 Testing Nozzle Performance KEG nozzle test device, equipped with digital flow meter, pressure gauge, load cell and digital force readout. Operating in an 8 inch pipe with nozzle approximately 9 feet from the impact plate.

15 How Tier lll efficiencies benefit you. With same truck input With lower truck input Three times the power over Tier 1 50% more power over Tier ll Greater cleaning and pulling power Reduced water consumption Reduced fuel consumption Reduced wear and tear on equipment Reduced noise and heat

16 Cleaning Nozzle Configurations Depending on application the amount of jets and the angle will dictate the best tool for the application Smaller angles give better thrust and overall cleaning of pipe Larger angles clean the entire diameter of the pipe better and are better suited for larger diameter pipes and storm drains.

17 Sewer Cleaning Tools Chisel Nozzle Good propulsion / penetration Penetrating Nozzle Rear jets and one forward

18 Sewer Cleaning Tools Keg Torpedo Nozzle Tier 3 nozzle with 12 and 18 degree, stainless steel, and replacement ceramic jets Tier llldual degree nozzle for thrust and cleaning Supplied in various angle configurations (18 and 25 degree)

19 Spinning Nozzles Ideal for Roots, Grease and encrusted materials. Rotating Head provides cutting mechanism to remove materials from wall Replaceable carbide nozzles with extended life Jet angles depends on type of cleaning required General cleaning or descaling set up Descaling nozzle moves less debris

20 Sewer Cleaning Tools Root Saws Cleans 95% of the diameter of the pipe typically in the range of 6 to 15 Pipe. Must have access to both manholes.

21 Sewer Cleaning Tools Floor Cleaning Nozzle Large diameter and heavy debris applications with 8-10 jets

22 New Technology Camera Nozzles for Pipe Assessment

23 Sewer and Storm Drain Cleaning Methods Calcium Removal Chain Flail Wart Hog Descaling High Speed cutters Id - TEC Takes Time!!!!!

24 Sewer and Storm Drain Cleaning Methods Equipment Sewer Cleaning Tools Cleaning Methods GIS Integration

25 Sewer and Storm Drain Cleaning Methods Cleaning Procedures Select nozzle based on size of pipe and assumed conditions. Consider Access and if upstream and downstream manholes are accessible Set up at downstream manhole is ideal Wash down manhole and direct nozzle upstream for cleaning. Ensure the upstream manhole is reached and pull back at appropriate speeds to clean the pipe and remove all debris Vacuum any debris or material brought back to the manhole. If grease or roots are present, change cleaning tool to spinning nozzle or root saw.

26 Sewer and Storm Drain Cleaning Methods Cleaning Procedures Step cleaning, necessary in some instances but with proper tool selection and proper outgoing and pull back speeds maybe not. Proper selected nozzles can properly clean the pipe in 1-2 passes When there are large amounts of debris and when cleaning large diameter pipe, it is good practice to clean the first LF of pipe using step cleaning methods. This will give you an idea of the amount of debris in a given section of pipe.

27 Sewer and Storm Drain Cleaning Methods Cleaning Procedures Maintenance and proactive approach to cleaning Identify areas to be cleaned for the year. Depending on the City that maybe cleaning the entire City every year or alternating half each year. Enhanced Maintenance Areas (Trouble Spots) identified and cleaned quarterly or more as needed. Siphons typically cleaned at the same time. Lift Stations to be cleaned on a regular interval based on the level of cleaning observed. This may be 2-6 times a year. If heavy amounts of ragging and grease are observed, it is encouranged to increase the cleaning frequency

28 Sewer and Storm Drain Cleaning Methods Equipment Sewer Cleaning Tools Cleaning Methods GIS Integration

29 Sewer Atlas to GIS Based Atlas Maps Paper Maps GIS Data Generated Maps

30 Sewer Atlas to GIS Based Atlas Maps Cad Based Maps Highlighter method Updates not detailed Map fell in Manhole I forgot to update map Notes of undocumented features are not passed on

31 Sewer Atlas to GIS Based Atlas Maps GIS Data Generated Maps Data is Live History is logged and database built All data is updated and can be shared both internally and with the end user Deliverable can be custom tailored to meet customer requirements

32 Sewer Atlas to GIS Based Atlas Maps Layers can be turned on and off to demonstrate customer requests.

33 Different Base Maps showing various layers Street Base Map, Aerial Base Maps, Topo Base Maps..

34 Production Tracking This layer shows the work completed to date. Completed cleaning reports are entered into Excel and imported into the daily logs shows segments completed.

35 Production Tracking Identify the areas that have specific Data fields. Track The remaining work to help manage crews and work loads

36 Production Tracking Identify areas that have specific cleaning details. This map tracks General debris Grease Roots Lines that required a root saw

37 Production Tracking Manage your F.R.O.G areas Fats Roots Oils Grease Color code your debris Types to see where your Problems are

38 Data Collection Digital and Paper Mapping GPS Locations (lat/long) Attributes (size, material, flow, laterals, elevations, etc) High Resolution Photographs Cloud Based Maps (tablets) Updated with Cleaning/CCTV Condition Assessment

39 Engineering Analysis Create GIS Atlas and Cloud Based Maps GPS Missing or Unknown Facilities Conduct CCTV and Condition Assessment Perform Manhole Inspections (Optional) Identify High Risk Defects (5 s and 4 s) Develop Repair Plan and Cost Estimates Rank and Prioritize a 5 or 10-Year CIP Update GIS with CCTV Reports and Images

40 Engineering Services Master Plans / Team Members Condition Assessments Capital Planning Hydrology and Hydraulics GIS and Cloud Based Mapping AutoCAD and Microstation

41 Sewer and Storm Drain Cleaning Methods Considerations when Bidding Cleaning and CCTV Inspection Bids Does the Scope of work show the locations of the work to be performed Is there updated GIS Mapping available and will that be supplied as part of the scope of work. Is the current manhole and asset ID s acceptable? What is the break down of Size of Pipe and associated lengths What are the Traffic Control Requirements beyond standard MUTCD or WATCH Are Traffic Control Plans required and to what degree Stamped by Engineer? Are permits required and what are the typical fees Does the City require two man crews for cleaning and inspection Consider the logistics and accessibility of the manholes Is there an area to decant liquids and dump debris What percentage of the streets are residential vs arterial What percentage of the manholes are located in easements What type of pre-cleaning is needed prior to CCTV Inspection What is the final deliverable Printed Reports, DVD, Hard Drives, Shape files, condition assessment. Recommendations??

42 Methods and Tools for Increased Productivity for Cleaning Sewer Lines Presented by Craig Van Thyne Orange CA Serving the Industry since