1. (The National Building Code)
Republic of the Philippines Department of Public Works and Highways (DPWH) Office of the Secretary National Building Code Review Committee (NBCRC) and the Board of Consultants (BoC)
IAPOA
New Architectural Rules under the 2005 Revised IRR of PD 1096
(The National Building Code)
July 2005
Metropolitan Manila
by Archt. Armando Dominador N. ALLÍ, fuap, piep, aaif
Member, DPWH Board of Consultants ( )
(Resource Person)

2. DPWH Office of the Secretary BOC & NBCRC IAPOA 1
DPWH Office of the Secretary BOC & NBCRC IAPOA 1. What is generally considered by Architects as the most important architectural provision of the 2005 Revised IRR?
Under Sec (Application for Permits) of the 2005 Revised IRR, the signing and sealing of architectural documents shall be limited to Architects*, a provision fully harmonized with stipulations of RA9266:
SEC Application for Permits.
1. Any person desiring to obtain a building permit XXX XXX shall file applications therefore on
the prescribed application forms
2. XXX XXX
3. Five (5) sets of survey plans, design plans and specifications and other documents prepared, signed
and sealed over the printed names of the duly licensed and registered professionals:
a. XXX XXX;
b.  Architect, in case of architectural documents; in case of architectural interior/ interior design
documents, either an architect or interior designer may sign;
c.  Civil Engineer, in case of civil/ structural documents;
d. XXX XXX
*Important Notes: 1) Temporary Restraining Order (TRO) replaced by Writ of Preliminary Injunction (WPI) dated 24 May 2005 issued by Manila RTC Branch 22 with NO final decision to date; and 2) the QC RTC Branch 219 in its order dated 23 May 2005 dismissed claims by Civil Engineers (CEs) that they can sign and seal architectural documents.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

3. DPWH Office of the Secretary BOC & NBCRC IAPOA 2
DPWH Office of the Secretary BOC & NBCRC IAPOA 2. What is RA 9266 and its relation to Sec of the 2005 Revised IRR?
1) Republic Act or RA 9266 is The Architecture Act of 2004 which took effect 10 April 2004, while its IRR took effect 01 December 2004;
Section of the 2005 Revised IRR of the NBC (PD1096) is already fully harmonized with RA9266 and its provisions limiting the preparation, signing and sealing of architectural documents only to Registered Architects;
Civil Engineers (CEs) who shall continue to sign and seal architectural plans, specifications and documents shall still be subject to the application of the severe penalties under RA 9266 & its IRR (reference Sec. 29 of RA 9266);
The DPWH can still legally bar CEs from signing and sealing architectural plans, specifications and documents by invoking multiple provisions under RA 9266 (Sections 20, 29, 31, 32, 34, etc.) and its IRR, specifically Sec of RA 9266 which prohibits acting Building Officials/ Building Officials (or any other officer or employee of the republic) from accepting or approving any architectural plans or specifications not prepared in accordance with RA9266 and Sec. 44 which mandates all public officials to enforce RA9266.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

4. ii. Site Development Plan . . . XXX. iii. Perspective . . . XXX.
DPWH Office of the Secretary BOC & NBCRC IAPOA 3. What are the Architectural (A) Documents under the 2005 Revised IRR?
Following is a list of architectural documents appearing under Sec of the Revised IRR of PD 1096 which took effect 02 May The definitions are omitted for brevity.
a. Architectural Plans/ Drawings
i. Vicinity Map/ Location Plan XXX.
ii. Site Development Plan XXX.
iii. Perspective XXX.
iv. Floor Plans XXX.
v. Elevations, at least four (4) XXX.
vi. Sections, at least two (2) XXX.
vii. Reflected Ceiling Plan XXX.
viii.Details, in the form of plans, elevations/ sections:
(a) accessible ramps XXX
(p) all types of partitions.
ix. Schedule of Doors and Windows XXX.
x. Schedule of Finishes XXX.
xi. Details of Other Major Architectural Elements.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

5. b. Architectural Interiors/ Interior Design
DPWH Office of the Secretary BOC & NBCRC IAPOA 4. What are the Architectural Interior (AI) Documents under the 2005 Revised IRR?
Following is a list of architectural interior/ interior design documents appearing under Sec of the Revised IRR of PD 1096 which took effect 02 May The definitions are omitted for brevity.
b. Architectural Interiors/ Interior Design
i. Space Plan/s or layout/s of architectural interiors.
ii. Architectural interior perspective/s.
iii. Furniture/ furnishing/ equipment/ process layout/s.
iv. Access plan/s, parking plan/s and the like
v. Detail design of major architectural interior elements.
vi. Plan and layout of interior, wall partitions, furnishing, furniture, equipment/
appliances XXX.
vii. Interior wall elevations XXX.
viii.Floor/ ceiling/ wall patterns and finishing details XXX.
ix. List of materials used.
x. Cost estimates.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

6. d. Detailed design of all such accessibility facilities outside and
DPWH Office of the Secretary BOC & NBCRC IAPOA 5. What are the Other Architectural (OA) Documents under the 2005 Revised IRR?
Following is a list of other architectural documents appearing under Sec of the Revised IRR of PD 1096 which took effect 02 May The definitions are omitted for brevity.
c. Plans and specific locations of all accessibility facilities XXX.
d. Detailed design of all such accessibility facilities outside and
around buildings/ structures including parking areas, and their
safety requirements XXX.
e. Fire Safety Documents
i. XXX
ii. XXX
iii. XXX
iv. XXX
v. XXX
f. Other related documents
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

7. DPWH Office of the Secretary BOC & NBCRC IAPOA 6
DPWH Office of the Secretary BOC & NBCRC IAPOA 6. What do the terms carrying capacity, development control and development potential actually mean (under the 2005 Revised IRR of the NBC/ PD 1096)?
Carrying Capacity of Lot – the optimized extent of physical development that may be introduced into the lot without causing undue damage, effects or hardship on the end-users of the proposed development or on neighboring occupants, entities, properties, lands, developments or the environment (whether man-made or natural) and with the proposed building/structure capable of being supported by existing utility, transportation and service systems or by proposed expansions/upgrading of such systems within the immediate future;
Development Control (for Lots and Buildings/ Structures) – a set of inter-acting regulations concerning the physical utilization of a lot and likewise governing the planning/design of spaces and/or the use/occupancy of a building/structure to be introduced (or already existing) on a lot; development controls help determine in detail the development potential and/or the carrying capacity of all lots and/or of proposed developments on lots; and
Development Potential of Lot – the maximum extent of physical development that may be introduced into the lot, i.e., the erection of the proposed buildings/ structures, after full compliance with the applicable regulations that need to be satisfied, specifically those found in the Code, i.e., the PNBC.  
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

8. DPWH Office of the Secretary BOC & NBCRC IAPOA 7
DPWH Office of the Secretary BOC & NBCRC IAPOA 7. What are the new architectural features under Rule VII of the 2005 Revised IRR?
1. Under Rule VII (Classification & Requirements of Buildings by Use and Occupancy), a schedule of principal, accessory and conditional uses/ occupancies for buildings was prepared and matched with specific zoning classifications;
2. Rule VII, Sec. 704 : firewalls relative to foot-printing of buildings/ structures shall be strictly implemented; for instance, firewalls are explicitly prohibited for low density residential uses (R-1); allowed lengths of firewalls in relation to lot perimeter dimensions are prescribed for all other uses, specifically for residential condominium uses (R-5);
3. Rule VII, Sec : prescribes Allowable Maximum Total Gross Floor Areas (TGFAs), which is the product of the Building Height Limit (BHL), i.e., defined in both number of storeys and height in meters, and the Allowable Maximum Building Footprint (AMBF) for each type of building use/ occupancy;
4. Rule VII, Sec. 707, Subsection 4 : prescribes more detailed parking requirements for each type of building use/ occupancy; parking must be integral parts of building projects and all parking located outside shall be considered buffer parking;
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

9. a) prescribes a minimum front setback of only 4.50 meters for a low
DPWH Office of the Secretary BOC & NBCRC IAPOA 8a.What are the new architectural features under Rule VIII of the 2005 Revised IRR?
1. Rule VIII (Light and Ventilation), Section 803 : maximum Percentage of Site Occupancy (PSO) is discussed at length; the identifiable Total Open Space within a Lot (TOSL) are sub-classified and limits prescribed for all building uses and occupancies, e.g., the Maximum Allowable Impervious Surface Area (ISA), the Minimum Unpaved Surface Area (USA);
2. Rule VIII, Section 804 :
a) prescribes a minimum front setback of only 4.50 meters for a low
density residential (R-1) structure on a minimum lot size of 301 sq.m.
(14.0 m frontage x 21.5 m depth);
b) prescribes a minimum front setback of 8.00 meters at the ground floor
level only for medium and high density residential (R-2 and R-3)
buildings/ structures that are more than 3 storeys/ 9.0 m in height; and
c) prescribes front setbacks of from 5.0 to 8.0 meters for all types of
commercial, industrial, institutional and recreational developments plus
incremental side and rear setbacks for such buildings/ structures.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

10. DPWH Office of the Secretary BOC & NBCRC IAPOA 8b
DPWH Office of the Secretary BOC & NBCRC IAPOA 8b.What are the new architectural features under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

11. DPWH Office of the Secretary BOC & NBCRC IAPOA 8c
DPWH Office of the Secretary BOC & NBCRC IAPOA 8c.What are the new architectural features under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

12. DPWH Office of the Secretary BOC & NBCRC IAPOA 8d
DPWH Office of the Secretary BOC & NBCRC IAPOA 8d. What are the new architectural features under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

13. DPWH Office of the Secretary BOC & NBCRC IAPOA 9
DPWH Office of the Secretary BOC & NBCRC IAPOA 9. What are the new architectural features under Rule XX of the 2005 Revised IRR?
Rule XX (Signs), Section 2004, Subsection 1.c.ii : Ground sign structures shall be located within the property line and under no circumstances shall these occupy the RROW/ street or sidewalk/ arcade or similar access-ways.
Rule XX (Signs), Section 2004, Subsection 1.d.i : On non-arcaded RROW/ streets, signs shall not extend more than 1.20 meters over the sidewalk measured horizontally from the wall line or building line. On arcaded RROW/ streets, the signs shall not project more than 0.60 meters from the outermost portion of the wall line of the allowed structure over the arcade.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

14. DPWH Office of the Secretary BOC & NBCRC IAPOA 10a
DPWH Office of the Secretary BOC & NBCRC IAPOA 10a.What are the new architectural features of the Guidelines under Rule VII of the 2005 Revised IRR?
1. Under Rule VII Guidelines, building bulk limitations are suggested through the interaction of Floor-Lot Area Ratios (FLAR), the Allowable Maximum Building Foot-print (AMBF), the Outermost Faces of the Building (OFB), the width of the road right-of-way (RROW) and all other applicable provisions for natural light and ventilation;
2. Under Rule VII Guidelines, examples are shown as to the manner of sizing buildings or establishing the development potentials of a lot/ property with the proper interactive application of the foregoing development controls; and
3. Under Rule VII Guidelines, the following are also included:
a) floor to lot area (FLAR) designations for all major building occupancies;
b) factors are also suggested to convert Gross Floor Areas (GFA) to Total Gross Floor Area
(TGFA);
c) determination of the outermost face of building (OFB) and outermost limit of building
projection (OLBP) using angles drawn from the centerline of the road right-of-way
(RROW);
d) establishing the OFB through the interactive use of the allowed maximum building
footprint (AMBF), the building height limit (BHL), the allowable maximum volume of
building (AMVB) and the angular plane along the RROW; and
e) buildings and accessory structures within cemeteries & memorial parks.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

15. DPWH Office of the Secretary BOC & NBCRC IAPOA 10b
DPWH Office of the Secretary BOC & NBCRC IAPOA 10b. What are the new architectural features of the Guidelines under Rule VII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

16. DPWH Office of the Secretary BOC & NBCRC IAPOA 10c
DPWH Office of the Secretary BOC & NBCRC IAPOA 10c. What are the new architectural features of the Guidelines under Rule VII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

17. Under Rule VIII Guidelines, the following are included:
DPWH Office of the Secretary BOC & NBCRC IAPOA 11a. What are the new architectural features of the Guidelines under Rule VIII of the 2005 Revised IRR?
Under Rule VIII Guidelines, the following are included:
a) suggested treatments for easements/ waterside rights-of-way (ROW),
e.g., esplanades and promenades and stipulations on structures
allowed/ disallowed along or within designated easement areas ;
b) view corridors/ sight lines along road rights-of-way (RROWs);
c) suggested median and lane widths within RROWs;
d) suggested minimum RROW provisions for developments with
multiple dwelling units;
e) access to interior lots;
f) suggested development components within RROWs at all its levels;
g) use, treatment and development of arcades, sidewalks, curbs and
driveways;
h) incremental front setbacks for tall structures using RROW widths;
i) detailed open space requirements for all building types/ occupancies;
j) basement configurations for tall buildings; and
k) design of public buildings and structures.
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

18. DPWH Office of the Secretary BOC & NBCRC IAPOA 11b
DPWH Office of the Secretary BOC & NBCRC IAPOA 11b. What are the new architectural features of the Guidelines under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

19. DPWH Office of the Secretary BOC & NBCRC IAPOA 11c
DPWH Office of the Secretary BOC & NBCRC IAPOA 11c. What are the new architectural features of the Guidelines under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

20. DPWH Office of the Secretary BOC & NBCRC IAPOA 11d
DPWH Office of the Secretary BOC & NBCRC IAPOA 11d. What are the new architectural features of the Guidelines under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

21. DPWH Office of the Secretary BOC & NBCRC IAPOA 11e
DPWH Office of the Secretary BOC & NBCRC IAPOA 11e. What are the new architectural features of the Guidelines under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

22. DPWH Office of the Secretary BOC & NBCRC IAPOA 11f
DPWH Office of the Secretary BOC & NBCRC IAPOA 11f. What are the new architectural features of the Guidelines under Rule VIII of the 2005 Revised IRR?
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

23. Rule VIII Rule VIII Guidelines
DPWH Office of the Secretary BOC & NBCRC IAPOA 11g. What are the new architectural features of the Guidelines under Rule VIII of the 2005 Revised IRR?
Rule VIII
Guidelines
Rule VIII
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

24. DPWH Office of the Secretary BOC & NBCRC IAPOA 11h
DPWH Office of the Secretary BOC & NBCRC IAPOA 11h. What are some of the new architectural of the Guidelines under Rule VIII of the 2005 Revised IRR?
Rule VII
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

25. DPWH Office of the Secretary BOC & NBCRC IAPOA 12.Caveat
To prevent illegal rule insertions in the printed version of the 2005 Revised IRR (which happened so many times in the past to previous editions of the NBC IRR), the following steps should be taken:
a) the DPWH must be the only and solely designated
copyright holder to the 2005 Revised IRR;
b) the only official source of the document (in either hard or
soft versions) should be the DPWH; and
c) the only official publisher should be the National Printing
Office (NPO) located along EDSA in Quezon City (between East Ave.
& Quezon Blvd.), i.e., not the National Bookstore!
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )

26. DPWH Office of the Secretary BOC & NBCRC IAPOA Thank You and a Pleasant Morning to You All!
__________________________________________________________________________________________________________________________________New Architectural Rules under the 2005 Revised IRR of PD 1096 (The National Building Code) b y Archt. Armando Dominador .N. ALLI, fuap, piep, aaif
July 2005, Metropolitan Manila Member, DPWH Board of Consultants ( )