CMPM MODULE 5
1. Overview and Introduction
Presentation: Construction Methods and Operations (Presented by Engr. Eloisa Belle C. Romulo, RCE, SO2)
Importance of Construction Operations:
Effective construction operations help:
Minimize delays
Improve coordination
Reduce construction waste
Improve worker safety
Enhance project quality
Maintain project schedules
Construction Methods and Operations:
Procedures, techniques, manpower, equipment, materials, and management systems used to transform plans into actual structures.
Proper construction operations improve:
Productivity
Quality
Safety
Cost efficiency
Project performance
Learning Outcomes:
Explain construction methods and operations
Differentiate construction from manufacturing
Identify types of construction projects
Explain the phases of construction projects
Describe common construction operations
Identify project delivery methods
Analyze challenges in Philippine construction
Apply construction management principles
2. Definition, Challenges, and Sectors
What is Construction?:
The process of planning, designing, and building infrastructure and physical structures.
Involves:
Civil engineering
Architecture
Project management
Skilled trades
Construction technology
Philippine Construction Challenges:
Typhoons and heavy rainfall
Traffic congestion
Rising material prices
Labor shortages
Permit delays
Supply chain interruptions
Major Construction Sectors (Types of Construction):
Residential Construction:
Focuses on housing structures such as:
Houses
Apartments
Condominiums
Townhouses
Commercial Construction:
Examples: Office buildings, shopping malls, hotels, hospitals, schools
Characteristics:
Large-scale projects
Complex MEP (Mechanical, Electrical, Plumbing) systems
Strict safety requirements
Industrial Construction:
Examples: Factories, warehouses, power plants, water treatment facilities
Characteristics:
Specialized operations
Heavy equipment usage
High safety standards
Infrastructure Construction (Heavy Civil):
Examples: Roads, bridges, railways, airports, dams
Characteristics:
Large-scale operations
Government-funded projects
Extensive earthworks
3. Phases of Construction Projects
Major Construction Phases:
Pre-construction phase
Construction phase
Post-construction phase
Pre-Construction Phase:
Planning and preparation stage before actual construction begins.
Activities:
Feasibility studies
Site investigation
Soil testing
Topographic surveys
Design development
Cost estimation
Permit acquisition
Procurement planning
Scheduling
Construction Phase:
The actual execution stage where physical construction activities are performed.
Major Activities and Common Operations:
Site Mobilization: Preparation of the construction site before major work begins. Includes site offices, temporary fencing, equipment delivery, utility connections, worker accommodations, storage areas, safety signages, access roads.
Earthwork Operations: Include excavation, grading, backfilling, hauling, compaction.
Foundation Works: Transfer structural loads safely to the ground. Common types: isolated footing, combined footing, raft foundation, pile foundation.
Reinforcement Works:
Activities: Cutting, bending, placement, tying of reinforcing bars.
Importance: Improves tensile strength, prevents structural failure.
Concrete Operations: Placing and curing concrete for structural components.
Masonry Works:
Activities: CHB (Concrete Hollow Block) laying, brickwork, plastering, mortar preparation.
Importance: Structural stability, proper wall alignment.
Formwork and Scaffolding:
Formwork: Temporary mold for shaping concrete.
Scaffolding: Temporary elevated working platform.
Importance: Worker safety, structural accuracy, construction efficiency.
Roofing Operations:
Includes: Roof framing, roof covering installation, waterproofing, flashing installation.
Philippine consideration: Typhoon resistance.
Utilities Installation (Services):
Includes: Electrical, plumbing systems, fire protection systems, HVAC (Heating, Ventilation, and Air Conditioning) systems.
Requirements: Coordination among disciplines, clash detection.
Finishing Works:
Includes: Painting, flooring, ceiling works, tile installation, fixture installation.
Importance: Aesthetics, functionality, client satisfaction.
Post-Construction Phase:
Operational stage involving final inspections, system verifications, cleanup, and turnover.
Activities:
Final Inspections: Administrative and technical reviews.
Punch Listing: Resolving defects, corrections, and incomplete items on the punchlist before acceptance.
Testing and Commissioning: Systematic testing to ensure systems operate properly (electrical testing, leak testing, generator testing, HVAC testing).
Site Cleanup and Demobilization: Removal of temporary facilities, equipment withdrawal, site cleanup, waste disposal.
Project Turnover: Formal handoff to project owner.
4. Project Delivery Methods
Definition: Project delivery methods define the relationships, responsibilities, and contractual arrangements among project participants.
Common Methods:
Design-Bid-Build (DBB):
Owner signs separate contracts with the designer and contractor.
Advantages: Clear project scope, competitive bidding
Disadvantages: Longer project duration, costly design changes
Design-Build (DB):
Single entity performs design and construction.
Advantages: Faster completion, better coordination
Construction Management at Risk (CMAR):
Construction manager participates during design stage and assumes construction risk during execution.
Advantages: Early contractor involvement, improved coordination
Public-Private Partnerships (PPP):
Government partners with private companies for infrastructure projects.
5. Summary
Construction operations transform plans into actual structures.
Proper coordination improves productivity and quality.
Safety and quality control are essential.
Sustainability and digital technologies are increasingly important.
Philippine construction faces unique operational challenges.