tunneling short course 2017 · tunneling short course 2017 tunnel costing and scheduling ... tunnel...

Tunneling Short

Course 2017 Tunnel Costing and Scheduling

Presented By:

Jim Peregoy

Peregoy Construction

Services

Tunnel Costing and Scheduling

I. Document Review and Site

Investigation

II. Production Estimate

III. Schedule

IV. Cost Estimate

V. Job Costing

VI. Wrap-Up and General

Questions


I. Document Review and Site

Investigations

A. Geotechnical Information

B. Contract Requirements

C. Special Conditions of Contract

D. Specifications

E. Plans/Drawings

F. Site Visit


I. Document Review

A. Geotechnical Information 1. Site Investigations

a. Adequate

b. Additional Required – Ability to Perform

2. Geotechnical Reports

a. Data Report

b. Design Report

c. Interpretative Report

d. Baseline Report

3. Is there adequate information


I. Document Review (continued)

B. Contract Requirements 1. Risk

a. Geotechnical

b. Contractual

2. Standard Terms and Conditions

a. Time Requirements/LD’s

b. DSC/Change Clauses

c. DRB Requirements

d. M/D/W/L/SBE Requirements

e. Permitting

f. Licenses

g. Insurance Requirements

h. Payment/Retention Clauses


I. Document Review (continued)

C. Special Conditions of the Contract

1. Bonus/Penalty Clauses

2. Contract Mandated Subcontractors or

Suppliers

3. Other


I. Document Review (continued) D. Specifications

1. Standard

a. Local

b. Regional/National

2. Special

a. Allowable/Required Means and Methods

b. Alternate/Workable Means and Methods

c. Item Descriptions


I. Site Investigation E. Plans/Drawings

F. Site Visit

1. Work Locations

a. Accessibility

b. Size

c. Utilities

d. Conflicts

e. Additional Requirements

f. Special Rules

2. Crewing

a. Open/Closed Shop

b. Hiring Requirements

c. Local Availability/Import


I. Site Investigation (continued)

E. Site Visit (continued)

3. Suppliers

a. Availability

b. Status – M/D/W/L/SBE

c. Local/Regional/National

4. Services/Subcontractors

a. Availability

b. Status – M/D/W/L/SBE

c. Work Items

d. Typical Requirements


II.Production Estimate

A.General Underground Work Conditions

B.Means and Methods

C.General Production Groups

D.Takeoff

E.Crewing

F.Materials

G.Equipment

H.Subcontractors


II. Production Estimate

A. General Underground Work Conditions 1. Specific Location

2. Confined Space

3. Long Distance Operations

4. Linear Operations

5. Linear Crew Support

6. Material Delivery

7. Limited Hoisting Capability

8. Concurrency

9. Production/Productivity Factors

10. Maximum/Average Production


II. Production Estimate (continued)

B. Means and Methods

1. Selection

a. Shaft/Portal

b. Tunnel/Microtunnel

2. Special Requirements

a. Preferred Method

b. Typical verses Special Method

c. Proven verses Unproven

Method/Material



C. General Production (and Cost)

Groups

1. Mobilization/Demobilization

2. Shaft/Portal Construction

3. Tunnel/Microtunnel Construction

4. Structure/Other Construction


II. Production Estimate (continued) D. Takeoff

E. Crewing

1. Base Crews

a. Shaft/Portal

b. Tunnel/Microtunnel

c. Structures/Other Work

d. Closed Shop (Union) Considerations

2. Shaft/Portal Support Crews

a. Hoisting

b. Material Management

c. Utility Control

3. General Project Support Crews

a. Electrical/Mechanical Repair

b. Engineering/Fabrication



F. Materials 1. Typical

2. Non-Typical

G. Equipment 1. Type

A. Production

B. Support

2. Quantity

A. Number Required for Operation

B. Back-up and Spares

3. Availability

4. Utilization

H. Subcontractors


III. Schedule

A. Milestones

B. Project Requirements

C. Estimated Times

D. Grouping

E. Concurrency


III. Schedule

A. Milestones 1. Bid Date

2. Begin Project Construction

3. Interim Milestones

4. Project Completion

B. Project Requirements 1. Special Use Areas

2. Partial Completion

3. Other

C. Estimated Times


III. Schedule (continued)

D. Grouping

E. Concurrency

1. Mobilization

2. Add Shaft/Portal

3. Add Tunnel/Microtunnel

4. Add Structures/Other Work

5. Demobilization

F. Check Requirements


IV. Cost Estimate

A. Cost Categories

B. Labor Cost

C. Material Cost

D. Service Cost

E. Subcontractor Cost

F. Equipment Cost

G. Review of Estimate


IV. Cost Estimate

A. Cost Categories 1. Direct Costs

2. Indirect Costs (Jobsite)

3. Indirect Costs (Home Office)

B. Labor Cost 1. Closed Shop (Union) Wages

2. Prevailing Wages

3. Contractor Wages

C. Material 1. Taxes

2. Quantities

3. Additives

4. Specialty

5. Miscellaneous


IV. Cost Estimate (continued)

D. Service Cost 1. Engineering

2. Insurance/Bonding

3. Utilities

4. Survey

5. Cleanup/Janitorial

6. Permitting

7. Security

8. Disposal Site

9. Hotel/Per Diem/Subsistence

10. Freight

11. Equipment Fueling/Maintenance

Tunnel Costing and Scheduling IV. Cost Estimate (continued)

E. Subcontractor Cost 1. Typical

2. Specialty

3. Support Costs

F. Equipment Cost 1. Ownership

2. Operation

3. Reconciliation

4. Cost Sourcing

G. Review of Estimate 1. Final Reconciliation

2. Escalation

3. Typical Heavy Civil Underground Splits

4. Typical Direct Verses Indirect Splits


V. Job Costing

A. Cost Accounts

B. Estimate to Budget Transformation

C. Job Reporting

D. Project Accounting

1. Labor Reports

2. Full Cost Reports


VI. Wrap Up and General Questions

A. Document Review and Site Investigation

B. Production Estimate

C. Schedule

E. Cost Estimate

F. Cost Accounting


Thank You

tunneling short course 2017 · tunneling short course 2017 tunnel costing and scheduling ... tunnel...

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