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1. Your Distribution System – Cradle to GraveConstruction Inspection of Water Distribution Mains – Do it Right or be Sorry Ron Bard, P.E.
2. Agenda What to do During Design
What to do Before Construction Starts
The Facts of Life
Starting Out on the Right Foot
Documentation
TESC, Excavation, Shoring, Dewatering, Backfill
Items Easy to Overlook
3. Levels of CM Construction Monitoring
Construction Inspection
Construction Management
Understand the Differences and Match Expectations
4. During Design CM to Review Contract Documents
Provide a Formal Constructability Review
Conduct an Operations Review
Do the Specs Reflect How the Job will be Administered?
Consider Asset Management Issues
Decide What the Contractor Does for:
Testing
As-builts
Schedules
5. Before Construction Starts Detailed Pre-con Meeting to Set Expectations
Define Role of Engineer vs. CM
Get a Detailed Schedule from Contractor
Get a List of Contractor’s Manpower and Equipment
Prepare a Submittal Log
Discuss the Need to Schedule Submittals/Re-submittals
Take pre-con Photos
Define:
Early Action Submittals
Long Lead Time Materials
6. The Facts of Life Low Bidders Win the Work
Some Contractors are Good, Some are Not
Some Contractors will be Adversarial
Contractors Need to Make Money
But, Everyone Wants to Get the Job Done
Contractors are Responsible for Means and Methods
It is Very Hard to Require a Contractor to Stop Work
The CM Can’t Lose Their Cool
The Public is Always Nearby
7. Be Prepared and Flexible Major Differences Between Large and Small Jobs
Major Differences Between Complex and Simple Jobs
Bid Item Jobs versus Lump Sum Jobs
Don’t be Like the Captain of the Titanic
Smooth Sailing Doesn’t Last
Don’t Only Prepare for the Last Hurricane
8. Start Out on the Right Foot Strict Adherence to the Contract Docs
Can be More Creative Latter
Ask Questions, Offer Suggestions, Do Not Direct
Be Reasonable, but not a Push-Over
Be On-site Every Day there is Activity
Full-time Inspection of Critical/Underground Items
Take Photos
9. Documentation Do the Daily Reports Daily
Assume they will be in Court
Quote the Contractor
Take Photos
Document Everything, Write Serial Letters
Always Adhere to Notification Provisions in the Specs
Keep Track of Force-Account Hours and Equipment
Handle Change Orders ASAP
Ensure the Contractor Keeps Contemporaneous Cost Records for Change Orders and Claims
10. Safety Contractor is Responsible for Job Safety
Make Sure they Have a Plan and Follow It
Keep Yourself Safe
Hold Inspector Safety Meetings (large projects)
Fall Protection
Confined Space Entry
Attend the Contractors Tailgate Safety Meetings
Document Actions, Take Photos
Don’t Direct the Contractors Staff on Safety
Notify your Contractor of Concerns
11. TESC Can Get Lots of Scrutiny
Walk the Site With Contractor
Protect the Inlets
Sweep the Streets
Inspect the Facilities
Pre-position Materials
Prepare for Storms
Check up On the Weekends if Needed
12. Excavation Always Saw-Cut
Don’t Over-widen Trenches
Hot-Topics
Shoring
Dewatering
Foundation Material
Check Your Submittals
13. Shoring Worker Protection
Needed for > 4-foot Depths
Supervision by a Competent Person
Understand WAC 296.155
Trench Boxes
Will Allow Sloughing
Can Impact Utilities
14. Dewatering Trench Must be Dry
Dewatering Wells Need Time to Work
Dewatering Wells are Needed 24/7
Is Noise an Issue?
Anticipate the Need for Baker Tanks
15. Foundations Probe the Sub-grade
Get the Engineer on-site if Needed
Use a Geotextile Fabric if Needed
If in Doubt, Over-Ex and Add Foundation Materials
16. Backfill and Bedding Native Soil
Sensitive to Moisture Content
Watch for Large Diameter Rocks
Watch for Excessive Organics
Compaction
Verify Density
Right Size/Type Compactor
Avoid End-dumping
17. PVC Pipe Brittle in Cold Weather
Bedding
Must Be Mechanically Compacted
Pipe Strength Comes from Bedding Haunches
Bring Up Evenly on Each Side
Testing By Mandrel Is Important
C900/905 is Strong, but Still Need to Be Careful
18. Easy to Overlook Dissimilar Materials Need Dielectric Couplings
Notify Public of Service Interruptions
Check out Contractor’s Pressure Testing Equipment
Where to Get Testing Water
Where to Dispose of Testing Water and Declorinate
Thrust Block Must Bear on Undisturbed Soil
Coordinate What Contractor Does and Utility Does
19. Easy to Overlook Meters/Boxes on Hand if Utility Provided
Compare Materials Delivered to Shop Drawings
Get O&M Materials
Closure Pieces and Couplings, Especially RJ
20. Claims Avoidance Have Good Records
Settle Up as You Go
Issue Unilateral Change Orders if Needed (But be Fair)
Pay for Acceleration if Needed
Do What it Takes to Avoid Extended Overhead
Be Responsive if There is a DSC
Don’t Delay the Contractor, Be Timely and Responsive
Stick to the Contract
Avoids a claim that you “Abandoned the Contract”
21. Questions?