5 advantages and disadvantages of project delivery methods

Compare and state 5 advantages and disadvantages of each of the project delivery methods described in this presentation

check slide 23

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CSMT 348

TUSKEGEE UNIVERSITY

TAYLOR SCHOOL OF ARCHITECTURE & CONSTRUCTION SCIENCE (TSACS)

By

Swarnali Ghosh Dastider

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Construction Project Delivery

Introduction

Five blind men encountering different parts of an elephant,

Construct

Plan

Operate

Finance

Design

Project Management metaphor

What is a Project?

  • Is a collection of tasks that must be completed in minimum time or at minimal cost.
  • temporary undertaking to create a unique product or service
  • Altering something to the desired condition
  • Unique, two projects are never done one exact way
  • Several related activities
  • Focuses on the outcome

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Projects

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The Project Life Cycle

• Predesign phase : planning or programming phase

• Design phase

• Preconstruction phase

• Construction phase

• Post-construction phase

PROJECT DELIVERY PHASES

• Predesign phase : planning or programming phase

  • Details of the project’s program
  • Economic feasibility assessment, including the project’s overall budget and financing.
  • Site assessment and selection
  • Governmental constraints assessment
  • Sustainability rating (LEED)
  • Design team selection

PROJECT DELIVERY PHASES

• Design phase

  • Members : Architects, Engineers, consultants

PROJECT DELIVERY PHASES

Architect’s Liability for Work Done by Owner-Contracted Consultant

• Design phase

  • Members : Architects, Engineers, consultants

PROJECT DELIVERY PHASES

Architect and some consultants are contracted directly by the owner.

• Design phase

  • Document creation

PROJECT DELIVERY PHASES

• Design phase

  • Specifications : Specifications are written technical descriptions of the design intent and the drawings provide the graphic description

PROJECT DELIVERY PHASES

CSI MASTERFORMAT AND SPECIFICATIONS

PROJECT DELIVERY PHASES

• Preconstruction phase: Relationship Between Construction Drawings and Spec

 

PROJECT DELIVERY PHASES

Construction Drawings

 

  • Design intent represented graphically
  • Product/material may be shown many times
  • Product/material shown generically
  • Quality indicated
  • Location of elements established
  • Size, shape, and relationship of building elements provided

Specifications

 

  • Design intent represented with words
  • Product/material described only once
  • Product/material identified specifically, sometimes proprietary to a manufacturer
  • Quality indicated
  • Installation requirements of elements established
  • Description, properties, characteristics, and finishes of building elements provided

• Preconstruction phase

  • Bid, contractor selection, Legal notice etc.
  • The bidding documents

PROJECT DELIVERY PHASES

• Preconstruction phase: THE SURETY BONDS

  • Bid Bond
  • Performance Bond
  • Payment Bond
  • Pros and Cons of Bonds

PROJECT DELIVERY PHASES

• Construction phase

  • Members : Architects, Engineers, consultants

PROJECT DELIVERY PHASES

Preconstruction phase: selecting the general contractor and project delivery

1. Get Multiple Estimates

2. Hire Local, Licensed Contractors Whenever Possible

3. Check Their Past Work

4. Take Your Time Making a Sound Decision

5. Check Their Insurance and Bonding

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

Some of the most commonly used

• Design-bid-build (DBB) method

• Design-negotiate-build (DNB) method

• Construction manager at risk (CMAR) method

• Design-build (DB) method

• Integrated project delivery (IPD)

 

https://www.youtube.com/watch?v=jAz0I2BPyks

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

• Design-bid-build (DBB) method – Oldest and most familiar method of project delivery. It has stood the test of time and enjoys the largest market share.

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

• Design-bid-build (DBB)

• DBB Method—competitive sealed bidding (open bidding) -qualified

• DBB Method—competitive sealed proposal – not price alone

• DBB Method—invitational bidding (closed bidding) – Preselect

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

• Design-negotiate-build (DNB) method – Owner knows of one or more reputable, competent, and trusted GCs and negotiates with them concerning the overall contract price, time required for completion, and other important details of the project

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

• Construction manager at risk (CMAR) method

  • Acts as an advisor to the client.
  • reduces the risk to the Owner
  • holds the subcontract agreements. Often, the Construction Manager is also the Contractor. Other advantages include:
  • typically provides a Guaranteed Maximum Price (GMP)
  • Owner knows the Contractor’s profit on the project and any change order
  • Construction can begin without the design being fully completed

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

• Design-build (DB) method – the owner awards the contract to one firm, which designs the project and also builds it, either on a cost-plus-profit basis or on a lump-sum basis.

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

PROJECT DELIVERY PHASES

Preconstruction phase: Delivery methods.

• Integrated project delivery (IPD)

PROJECT DELIVERY PHASES

• Construction phase

  • Members : Architects, Engineers, consultants

PROJECT DELIVERY PHASES

• Construction phase

Submittals and Construction progress documentation

Contract Administration

Shop Drawings

Mockups

Construction Progress Documentation

Payment Certifications

Change Orders

PROJECT DELIVERY PHASES

• Construction phase

Shop Drawings

Produced by the contractor, supplier, manufacturer, subcontractor, or fabricator

To the Architect / Engineer.

typically required for prefabricated components

When construction drawings do not describe them to a level of detail that makes their fabrication possible

PROJECT DELIVERY PHASES

• Construction phase

Shop Drawings

PROJECT DELIVERY PHASES

• Construction phase

Shop Drawings

PROJECT DELIVERY PHASES

• Construction phase

Mockups

full-size built ups of one or more critical elements

PROJECT DELIVERY PHASES

• Construction phase

  • Construction phase: submittals and Construction progress documentation
  • Contract Administration-
  • Owner’s representative
  • Making sure work is getting done according to contract, drawing and quality

PROJECT DELIVERY PHASES

• Construction phase

Construction Progress Documentation – progress documents

Safety

Schedule

Addition + new issues

Payment Certifications

Submitted by GC

To CA/ architect / engineer/ owner

Incudes substantial completio0mn of specific work

Verified and approved by CA/ architect / engineer

Once approved payment is made to the general contractor.

PROJECT DELIVERY PHASES

• Construction phase

Change Orders

Document to demonstrate and change in design/construction

Typically impact cost and schedule

Due to unclear design or spec

PROJECT DELIVERY PHASES

• Construction phase

Change Orders

PROJECT DELIVERY PHASES

• Postconstruction phase:

Project closeout

Substantial Completion

Final Completion Inspection

Record Documents

Facility management

PROJECT DELIVERY PHASES

• Postconstruction phase:

Project closeout

Substantial Completion

certificate of occupancy, the GC must submit

all required guaranties and warranties from the manufacturers of equipment and materials and the specialty subcontractors and installers used in the building

Documents shows completion of the whole project

 

Final Completion Inspection

Architect, engineers and consultants inspect the final product

Punch list

GC completes the punch list items

 

PROJECT DELIVERY PHASES

• Postconstruction phase:

Project closeout

Record Documents

A set of drawing with the changes made

A blue print of the building that is standing

Facility management

encompasses multiple disciplines to ensure efficient functionality, comfort, safety and efficiency of the built environment

PROJECT DELIVERY PHASES

Due Sep 5th @ 1.00pm, submit in BB

Compare and state 5 advantages and disadvantages of the each project delivery methods described in this presentation.

Assignment 1

Sources and references

Construction Project Scheduling and Control – Third Edition by Saleh Mubarak

 

Construction Project Management, people.tamu.edu › ~i-choudhury › cosc353_1

 

Building Construction: Principles, Materials, & Systems, 2nd Edition, Madan L Mehta, Ph.D., Walter Scarborough, Diane Armpriest,

 

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