THE NATIONAL STRUCTURAL CODE OF THE PHILIPPINES 7TH EDITION (NSCP 2015) AND OTHER REFERRAL CODES Engr. JUANITO D CUNANAN, M.ASEP, M.PICE ASEP Director 2012-2018 Member, PICE ISG Committee Review: Project Life Cycle PUBLIC SECTOR MANAGEMENT CYCLE 0 +10 point Socioeconomic Agenda PLANNING PLANNING Socioeconomic Report Philippine Development Plan and related documents Sustainable Development Goals Report Medium Term Expenditure Framework Sector/ Program/ Project Evaluation Report Organizational Performance Indicator Framework EVALUATION EVALUATION BUDGETING BUDGETING RESULTS National Expenditure Program Official Development Assistance Review Monitoring Reports Agency Accomplished Reports MONITORING IMPLEMENTATION IMPLEMENTATION Procurement Contracting Disbursement Note: Framework based on the results-based Public Sector Management (PSM) framework developed by the Asia-Pacific Community of Practice on Managing for Development Results (APCoP-MfDR). What Laws are necessary? Environmental Protection 1987 Philippine Constitution Clean Air Act of 1999 (RA 8749) Ecological Solid Waste Management Act of 2000 (RA 9003) Philippine Clean Water Act of 2004 (RA 9275) Philippine Environmental Impact Statement System (PD1586 1978) Climate Change Act of 2009 (RA 9729) Environmental Awareness and Education Act of 2008 And many other more What Laws are necessary? Regulatory Laws PD 1096 or the National Building Code of the Philipppines Sanitation Code of the Philippines (PD 856 of 1975) Water Code of the Philippines (PD 1067) RA 9514 or the Comprehensive Fire Code of the Philippines Act of 2008 revising PD 1185 Consumer Act of the Philippines (RA 7394) National Structural Code of the Philippines DPWH Design Guidelines DPWH Design Guidelines, Criteria and Standards Volume 1: Volume 2A: Volume 2B: Volume 2C: Investigation Volume 3: Volume 4: Volume 5: Volume 6: Structures Introduction and Overview Geohazard Assessment Engineering Surveys Geological and Geotechnical Water Engineering Projects Highway Design Bridge Design Public Building and other Related DGCS Goal THE NSCP: STRUCTURAL CODE • • • • Is a set of rules, provisions, and standards for structural designers to use a guide in the design, detailing, and construction of a structure Minimum requirements in the design and detailing of structures Minimum requirement of the code is for life safety Updated based on effect of previous disasters and best practices TIMELINE OF NSCP EDITIONS 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 NATIONAL STRUCTURAL CODE FOR BUILDINGS, 1ST EDITION (NSCB 1972) • Based on the Uniform Building Code (UBC 1970) • Wind Pressures are provided in a Table • Earthquake Force, V = ZKCW 2020 TIMELINE OF NSCP EDITIONS 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NATIONAL STRUCTURAL CODE FOR BUILDINGS, 2ND EDITION (NSCB 1981) • • • • • Based on the Uniform Building Code (UBC 1979), Earthquake Force, V = ZIKCSW Introduction of Importance factor, seismic zones (3 zones – Palawan and Tawi-Tawi, Ccentral Visayas and Western Mindanao, Rest of the Philippines Use of Wind Zone Map (ZI – 200kPH, ZII – 175kPH, ZIII – 96kPH). Wind pressures are already given relative to a range of heights Adaptation of SI/Metric system, Wood was still Chapter 3 Ultimate Strength Design for Concrete and Allowable Stress Design for Steel TIMELINE OF NSCP EDITIONS 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NATIONAL STRUCTURAL CODE OF THE PHILIPPINES, 3RD EDITION (NSCP 1987) • • • • Based on the Uniform Building Code (UBC 1985), Earthquake Force, V = ZIKCSW Introduction of Seismic Zone 4 – adapted to the whole archipelago Use of Wind Zone Map (ZI – 200kPH, ZII – 175kPH, ZIII – 150kPH). Wind pressures are already given relative to a range of heights Ultimate Strength Design for Concrete and Allowable Stress Design for Steel TIMELINE OF NSCP EDITIONS 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NATIONAL STRUCTURAL CODE OF THE PHILIPPINES, 4TH EDITION (NSCP 1992), Volume I • • • • Based on the Uniform Building Code (UBC 1988), two seismic zones (II and IV) Design Base Shear, V = (ZIC/RW)W, S factors based on soil profiles, more specific definition of structural systems, irregularities, and details of dynamic analysis Wind Pressures, P = CeCqqsI, Wind Speeds (ZI – 200kPH, ZII – 175kPH, ZIII – 150kPH) Ultimate Strength Design for Concrete and Allowable Stress Design for Steel TIMELINE OF NSCP EDITIONS 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NATIONAL STRUCTURAL CODE OF THE PHILIPPINES, 5TH EDITION (NSCP 2001) • • • • • Earthquake Load Provisions based on UBC 1997 and inclusion of Active Fault Maps from PHIVOLCS, inclusion of near source factors, seismic source type, etc. Wind Load Provisions based on ASCE7-98 and EIA/TIA – 22E Wind speed (ZI – 250 kPH, ZII – 200 kPH, ZIII – 150 kPH) Reorganized chapters, provisions for design review and installation of seismic recording instruments, etc. Ultimate Strength Design for Concrete and Allowable Stress Design for Steel TIMELINE OF NSCP EDITIONS 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NATIONAL STRUCTURAL CODE OF THE PHILIPPINES, 6TH EDITION (NSCP 2010) • • • • • Earthquake Load Provisions based on UBC 1997 and inclusion of Active Fault Maps from PHIVOLCS, Spectral Acceleration recognized as an alternative procedure (ASCE/SEI 7-05) Wind Load Provisions based on ASCE7-05 and EIA/TIA-222-G Wind Speed (ZI – 250kPH, ZII – 200kPH, ZIII – 250kPH) Ultimate Strength Design for Concrete and Allowable Strength Design and Load Resistance Factor Design for Steel Cold-formed steel is included in Chapter 5 – Structural Steel TIMELINE OF NSCP EDITIONS 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 NATIONAL STRUCTURAL CODE OF THE PHILIPPINES, 7TH EDITION (NSCP 2015) • • Earthquake Load Provisions based on UBC 1997 and updated Active Fault Maps presented by region (colored) Wind Load Provisions based on ASCE7-10 and Wind Contour Maps (colored) for the entire Philippine Archipelago RECENT NATURAL DISASTERS 2009 2010 2011 2012 2013 160 kph Typhoon Ondoy (165 kph) September 2009 200 kph Typhoon Pedring (215 kph) September 2011 240 kph Typhoon Pepeng (250 kph) October 2009 280 kph Typhoon Glenda (260 kph) July 2014 Typhoon Pablo (280 kph) December 2012 Typhoon Juan (295 kph) October 2010 320 kph Typhoon Yolanda (315 kph) November 2013 2014 2015 RECENT NATURAL DISASTERS 2009 2010 2011 2012 2013 Misamis Oriental EQ (M4.6) December 2014 M5.0 M5.5 M6.0 M6.5 M7.0 M7.5 M8.0 2014 Valencia City, Bukidnon EQ (M5.2) November 2011 Surigao EQ (M5.9) March 2012 Ilocos Region EQ (M6.4) March 2011 Cotabato EQ (M5.3) June 2013 Bukidnon EQ (M5.6) Sultan Kudarat EQ (M5.9) September2012 Coast of Mindanao EQ (M6.2) February 2013 Batangas EQ (M5.7) Zambales EQ (M5.9) June 2014 December 2014 Surigao Del Norte EQ (M6.1) July 2015 Negros Oriental EQ (M6.9) February 2012 Bohol EQ (M7.2) October 2013 Moro Gulf EQ (M7.3) July 2010 Samar Coast EQ (M7.8) August 2012 2015 http://www.preventionweb.net Climate Change RELEASE OF THE NSCP 7th Ed. • • • • • The NSCP 7th Edition was scheduled to be released in 2015 DPWH has already reviewed the final draft of the code and on August 26, 2016, Former DPWH Secretary Rogelio Singson approved and declared that the NSCP 2015 to be adopted as a Referral Code of PD 1096 Issue on the inclusion of 2-km near source factor for Earthquake Load provisions Based on draft version of ACI 318R-14 published in May 2014 as guide. Subsequently updated to ACI 318M-14 published only in March 2015 RELEASE OF THE NSCP 7th Ed. LAUNCHING OF THE NSCP 7th ED. • • The NSCP 7th Edition was formally launched on December 7, 2016 at the Marco Polo Hotel, Ortigas The event was graced by the following: • • • • USEC Catalina Cabral of DPWH and President-elect of PICE Christopher Gacutan, Office of Civil Defense Joselito Guevarra, President of Philippine Association of Building Officials Dr. Romeo Estañero, Member of Board of Civil Engineering, PRC HIGHLIGHTS OF NSCP 2015 EDITION UPDATES OVERVIEW OF UPDATES • Chapter 1 – General Requirements • • • • Additional definitions: Failure, Structural Failure, Structural Engineer, etc. Additional classification of building/structure to occupancy categories, Required structures (occupancy categories) for soil/foundation investigation Appendices • • Recommended Guidelines on Structural Design Peer Review of Structures 2015 Guidelines and Implementing Rules on Earthquake Recording Instrumentation for Buildings. OVERVIEW OF UPDATES • Chapter 2 – Loads and Actions • • • • • Additional Live Loads 2-km near source factor for Earthquake Load Provisions Faults Maps presented by regions Wind Loads Provisions updated to ASCE7-10 Introduction of wind contour map of the entire Philippine archipelago OVERVIEW OF UPDATES • Chapter 3 – Earthworks and Foundations • • • • • Updates on some tables and figures, i.e. Table 304-1 – Allowable Foundation and Lateral Pressures, cut and fill slope figures Erosion Control subsections has been expanded (scour protection) Subsection on Mechanically Stabilized Earth (MSE) structures and similar Reinforced Embankments and Fills Table on the minimum required number of boreholes for foundation investigation General pile requirements have been expanded (design of piles and pile groups subject to lateral loads) OVERVIEW OF UPDATES • Chapter 4 – Structural Concrete • • • • Based on ACI 318-14 Organized as a member-based, i.e. particular member type will have separate sub-sections for all requirements for design Several reference standards and specification have been updated New referenced specification from Australia and New Zealand is added related to qualification on the use of Quenched Tempered QT/Thermo-Mechanically Treated Reinforcement OVERVIEW OF UPDATES • • Chapter 4 – Structural Concrete Quenched Tempered QT/Thermo-Mechanically Treated Reinforcement • Upon rolling, the deformed steel bar is passed through a quenching line whereby the periphery is subjected to intense water quenching in a short time whereas the core remains largely unaffected. On leaving the quenching system, the core heat is utilized to temper the quenched outer surface. The resulting structure is a concentric tempered martensite periphery with a softer ferrite-pearlite core OVERVIEW OF UPDATES A shell with the specified strength but core with less than specified yield strength of steel rebar OVERVIEW OF UPDATES • • Chapter 4 – Structural Concrete Quenched Tempered QT/Thermo-Mechanically Treated Reinforcement • Restrictions indicated in Sub-section 420.7.6, on the use of quenched-tempered thermo-mechanically treated (QT/TMT) reinforcing bars in structures located in seismic zone 4 for Grade 420 (or higher) reinforcement, unless proven in subsequent studies and tests. OVERVIEW OF UPDATES • Chapter 5 – Structural Steel • • • No major change from the previous edition Streamlining of format, i.e. definitions in one section, figures drawn larger, extraneous user notes are removed, etc. Additional sub-sections on Structural Fire, Stability Bracing for Columns and Beams, and Buckling-Restrained Braced Frames (BRBF) OVERVIEW OF UPDATES • Chapter 6 - Wood • • • • Although Wood Design is not practiced in the Philippines, this chapter serves as reference to our designers who will still be practicing wood design in other countries Adapted National Design Specification for Wood Construction (NDS 2015) Offers a more updated and complete “road map” in wood design Easier for designers to navigate and follow OVERVIEW OF UPDATES • Chapter 7 - Masonry • • • • Although Wood Design is not practiced in the Philippines, this chapter serves as reference to our designers who will still be practicing wood design in other countries Adapted National Design Specification for Wood Construction (NDS 2015) Offers a more updated and complete “road map” in wood design Easier for designers to navigate and follow OVERVIEW OF UPDATES • Chapter 7 - Masonry • • • • No major changes in content. Units are arranged to conform with SI units Cross referencing to other references codes were changed to NSCP sections. Offers a more updated and complete “road map” in wood design Easier for designers to navigate and follow Flashback of Unwanted Events Negros Oriental EQ (M6.9) 2012 Negros Oriental EQ (M6.9) 2012 Bohol EQ (M7.2) 2013 Bohol EQ (M7.2) 2013 Bohol EQ (M7.2) 2013 Bohol EQ (M7.2) 2013 Bohol EQ (M7.2) 2013 Surigao EQ (M6.7) 2017 Surigao EQ (M6.7) 2017 Surigao EQ (M6.7) 2017 Surigao EQ (M6.7) 2017 Surigao EQ (M6.7) 2017 Surigao EQ (M6.7) 2017 Surigao EQ (M6.7) 2017 Tainan EQ (M6.9) 2016 Tainan EQ (M6.9) 2016 Tainan EQ (M6.9) 2016