Subcontracting

1
Subcontracting
2
Subcontractors

• 75 -85 of work is subbed
• Significant impact on costs and schedule
• Want to develop a working relationship with good
  subs
• Subs must do good on time work
• GC must pay subs to keep them viable

3
Scope of Work

• Description of work to be performed
• List of specific scope items to be included
• List of items which are excluded
• Can be construction only or include design
• Action words are used to define clearly subs
  responsibilities provide, install
• Pg 93 scope
• PM must make sure all work items to be subbed are
  included in scope

4
Subcontract Documents

• Subcontract record of agreement btween GC and
  sub
• Topics pg 94
• Appendix G

5
Subcontractor Prequalification

• Experience and tech skills required
• Tech and supervisory competency of management and
  field supers
• Stability and financial strength
• Adequacy of specialized equipment
• Past safety performance
• Reputation for working cooperatively, past
  project performance, warranty performance

6
Selection

• Invite top 5 -6 subs to submit bid
• Done with a request for quotation
• F 8-2 8-3
• Cannot bid shop
• Evaluate bids
• Unrealistically low or high bids
• unsure of scope
• Found ambiguities
• Erred when preparing quote
• Omitted items
• High bid -gt doesnt need work

7
Selection

• Dont need performance or payment bonds from subs
  when selection is based on technical competence,
  reputation, financial condition
• Do when it is public low bid project

8
Sub Management

• PM and supers work to schedule and coordinate
  subs to get project done
• Proof of insurance before sub is on site
• Need to mold subs into cohesive group
• Need to know concerns, proper work sequencing
• Open communications with subs and foremen
• Get a daily report from each sub
• Progress, obstacles
• Need to provide adequate notice to subs

9
Sub Management

• Jobsite needs to be ready for sub
• Preconstruction meeting
• F 8-6
• Mock-ups from subs show work quality before
  actual work is done
• Subs cannot build over substandard work of other
  subs
• Do a walk thru when sub is done and note areas
  that need reworking

10
Sub Management

• Need communications system for subs to get
  problems resolved in field
• Log questions and answers in
• Change orders
• F 8-8, 8-9
• PM signs off on payment request
• F 8-11
• Must get final lien waiver before final payment
  is sent