CVE 4070

Construction EngineeringShop DrawingsQuality ControlHabitat Build

Prof. Ralph V. Locurcio, PE

Schedule update

Day Class Topic and Section Homework Due / Reading 8/18 1 Introduction, course requirements -------------------- 8/20 2 Project Organization & Stakeholders Kerzner Ch-11 8/25 3 Contract Types & Controls Kerzner Ch-19 8/27 4 Work Breakdown Structure; HW #1-WBS Handout Kerzner Ch-1 9/1 -- Labor Day Holiday (no class) -------------------- 9/3 5 Construction Contract Documents; Kerzner Ch-3 9/8 6 Preconstruction & Bidding; HW#2-Write Resume Class notes 9/10 7 Shop Drawings & Inspections; Construction Tour Resume due; Kerzner Ch-21 9/15 8 Tour Construction Project / HW#3-Construction Report Handout 9/17 9 Project Organ & Responsibilities & Study Guide Const Report /Class notes 9/22 10 Test #1 & Critique 9/24 11 Scheduling & MS Project; HW#4-Project Schedule Handout Kerzner Ch-12, 13 9/29 12 Disaster Recovery; WBS critique; HW#5-Career Day Handout WBS due Class notes;

9/30 13 Attend Career Day; Conduct interviews --------------------

Project Delivery Process…

Need for a projectIs recognized

Owner appointsProject Manager

Project Manager develops project

program: scope & cost parameters

Project is entered into an annual

capital program

Designer prepares concept design & preliminary cost

estimate

Owner orders bid documents

Project Manager advertises for

construction bids

Contractors assemble team,

prepare & submit bid

Bids opened & reviewed by owner

(with designer)

Builder’s credentials &

bonding approved

Owner approves program

Project Manager advertises for

designer

Owner hires designer

Owner authorizes final

design

Owner selectsbuilder

Contract Signed

Notice to

Proceed

Resident Engineeroversees

construction

Project phase(s)completed

All work completed final inspection

made

Progresspayment

Final paymentOwner accepts

facility

Designer completes plans &

specifications

We are here

Project Organization…Owner

Quality Control

Superintendent Project Engineer

Project Engineer

Contractor

Project Manager, Construction Manager

and/orContracting Officer

Subcontractor

Subcontractor

Subcontractor

Subcontractor

Subcontractor

Design Manager

ProjectArchitect

StructuralEngineer

CivilEngineer

MechEngineer

ElectricalEngineer

A

B

C

Quality Assure

OfficeEngineer

TechnicalInspectors

A/E Const Staff

Resident Engineer

UsingAgency

Contract Documents…

1. The Agreement or Contract2. The Specifications3. The Drawings

Important Note: Unless otherwise specified this list is

the “order of precedence” of the contract documents

Drawings in standard set…1. Title Sheet2. Index Sheet3. Architectural (A)4. Civil & site utilities (C)5. Structural (S)6. Mechanical (M)7. Plumbing (P)8. Electrical (E)9. Fire protection (FP)10. Finish schedules 11. As-built/record drawings

The Specifications… Define the “qualitative” requirements of the

project that is to be built. Provide a detailed description of the

performance features of all components of the project.

Describe the nature of the materials and the workmanship & procedures to be followed in constructing the project.

Include those aspects of assembly or construction that affect the performance of the components.

The Drawings or Plans… Define the “geometry” of the project and all of

it’s components. Include the general form, dimensions and

details of all project features that are to be fabricated on site.

Show the relationship of all components to each other.

May include details, notes and instructions that amplify the specifications.

Specs in Contract Admin…

Drawings are never 100%… Drawings show “typical” conditions Field measurements required Do not cover means & methods Need to detail “actual” materials to be used Need to detail “installation” procedures PM must evaluate & respond Requires considerable judgment & experience

Shop Drawings fill these voids

Materials used in the contract… AE obligation to ensure that materials & products

conform to those specified. Owner may claim negligence if don’t conform Care must be exercised in accepting “alternatives” Be especially aware of new or non-standard materials

Builder constantly seeking lowest market price for “acceptable” materials & methods Must prove that all materials used meet spec Must obtain owner’s (representative) approval to substitute May not submit alternatives during bidding process

Shop Drawings & Samples… Function of Shop Drawings

Link between design & construction Show details of fabrication, assembly & installation Allow introduction of commercially tested products Show method of accomplishing “special” requirements Contracts usually require approval prior to ordering

Approval of Shop Drawings Contract SPs usually specify list of shop drawings Builder must submit schedule of submissions Owner must “approve” submittals for conformance to specs Builder responsible for accuracy, methods & quality

Misuse of Shop Drawings May not change requirements or design intent Builder’s responsibility to conform, even if missed by

AE/Owner review

Examples of shop drawings Drawings for mechanical, electrical and

plumbing components. Ductwork fabrication drawings. Drawings for HVAC piping. Drawings of air handling units. Steel and sheet metal shop drawings. CAD shop drawings. Architectural woodworking shop drawings. Cabinet shop drawings.

Example of Shop Drawings-1

Example of Shop Drawings-2

Example of Shop Drawings-3

Example of Shop Drawings-4

Example of Shop Drawings-5

Example of Shop Drawings-6

Submittal Review…

Include: shop drawings, samples, test results, certifications, criteria & standards

List is prepared by designer Approval by owner’s rep – verify

conformance & suitability Timing of approval is essential Special attention: blasting, excavation,

compaction, water control, pile driving, hazmat, cranes

Submittal Review Process…Inspecton

Work & Materials

Visual Or

Lab Test

Lab TestVisual Test

Compare w Plans & Specifications

Samples to lab

Lab Results

Conform? Test OK?Yes

No

Issue Non-Comp

Defective Mat Report

No Payment till corrected

Follow-upRecord in log

Reinspect When Corrected

No

Issue Non-Comp

Defective Mat Report

No Payment till corrected

Follow-upRecord in log

Resample When Corrected

Make FinalInspection

Work AcceptedPayment Authorized

Shop Drawing?

AE Review

Dealings with subcontractors… Concept of “one-to-one” authority

PM/CM deals solely with the General Contractor. General Contractor is responsible to hire subcontractors Selection includes evaluation of the subcontractor’s competence Responsibility includes all acts & omissions of any sub General Contractor must have effective contracts, admin procedures

& management

Architect, Owner & PM not responsible for how the Builder subcontracts the work

Contractor is responsible for subcontracts

One-to-One authority…

Organization Organization Organization Organization Organization Organization

One to One

PM CM

One-to-One authority…

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One to One

Part II – Specifications & Administration of Quality

Management of Quality…

Definition of Quality Control Definition of Quality Assurance Designer’s responsibility Contractor’s responsibility

Project Organization…Owner

Quality Control

Superintendent Project Engineer

Project Engineer

Contractor

Project Manager, Construction Manager

and/orContracting Officer

Subcontractor

Subcontractor

Subcontractor

Subcontractor

Subcontractor

Design Manager

ProjectArchitect

StructuralEngineer

CivilEngineer

MechEngineer

ElectricalEngineer

A

B

C

Quality Assure

OfficeEngineer

TechnicalInspectors

A/E Const Staff

Resident Engineer

UsingAgency

Quality Control Process… Must have a Quality Control Plan…

a routine system & schedule of inspections Special considerations:

Timing of inspections; preclude delays Protection of work in place Most work is irreversible; i.e.. concrete, foundations Logistical sequencing Follow plans & specifications; changes not authorized Report and correct errors & deviations from spec;

documents Three phased inspections system

Preparatory inspection Pre-inspection Final inspection

QC Staff must be qualified, trained & dedicated

Construction Inspections Three phased inspection system

Preparatory inspection – meeting

Pre-inspection – on site; prior to construction

Final inspection – after completion

Quality Control & Assurance… Quality control vs. quality assurance

Inspection & Testing manual Policy matters that govern acceptance Inspection procedures Technical checklists List of testing for materials & equipment Work flow diagrams

Required on government contracts

Stopping the work… Work is defective…

Owner’s right to stop work that is defective Contract provisions govern Communicate in writing Contractor may dispute

Unsafe conditions… Risk of death or serious injury Obligation of Owner’s rep and Builder Follow verbal order with written order

Risk of stopping work… Cost incurred for labor & materials Schedule slippage might incur damages Work must be torn out and rebuilt

Project Organization…Owner

Quality Control

Superintendent Project Engineer

Project Engineer

Contractor

Project Manager, Construction Manager

and/orContracting Officer

Subcontractor

Subcontractor

Subcontractor

Subcontractor

Subcontractor

Design Manager

ProjectArchitect

StructuralEngineer

CivilEngineer

MechEngineer

ElectricalEngineer

A

B

C

Quality Assure

OfficeEngineer

TechnicalInspectors

A/E Const Staff

Resident Engineer

UsingAgency

End of Part I

Habitat for Humanity Build

Organize into teams of 5-10 students Build dates are Wed thru Sat Starting Sept 16 Work on site 800am to 300pm Complete report on construction work I will schedule your build date

Habitat Location

Habitat Project Report Review plans & specs

Materials being used Equipment being used

Team organization Who is PM Who is superintendent Tasks assigned to each team member

Weather conditions Training involved Problems encountered & solved

Alternative = PM case study Read PM case study assigned Write report on case study:

Type of construction Materials used Team organization How scheduled Budget controls Problems encountered; how resolved Special techniques used

Scope of tour… Meet key officials

Construction project manager Resident Engineer

Discussion items Individual responsibilities Type of contract used on this job Organization for control of time & cost Coordination of subcontractors Training for this job Degree of experience needed Control of quality

Construction operations… Observe construction progress – homework

Turn in at class on 9/17/2007

Homework items Organization & scheduling of work Purchase & flow of materials Use of subcontractors Integration of subcontractors work Workmanship and quality control Problems encountered Correction of deficiencies Safety

That’s it for today…

Going forward… Sept 16… Project tour cancelled Sept 16… Disaster Recovery & Study guide

ALL ATTEND ON TUESDAY Class held in 500 OLS – Room 130

Sept 18… Test #1–The Basics–working on a room Sept 23… Begin section on “tools”

Project Scheduling Project Budgets Payments Quality Changes Claims

Sep 14 – Construction Tour

Project Tour: Tue Sept 14… Before:

1. Meet at parking lot @ 5:00pm3. Pick up construction tour homework sheet.4. Ask questions during the tour to get info you need.5. No open toe shoes or shorts

After:

1. Return to parking lot @ 6:00pm.3. Tour homework sheet is due @ next class.4. Next class at regular time & place.