MATERIAL adequate bearing capacity.
Any
old foundations interfering with
SPECIFICATIONS new column footings must be
completely removed.
Backfilling shall proceed only
after the formwork has been
GENERAL CONDITIONS
removed and the foundation has
All construction activities must attained sufficient strength. Fill
adhere to established industry materials must be compacted in
standards and best practices to layers not exceeding six inches
ensure quality workmanship. using water, tamping, and rolling
Only premium-grade materials, to achieve proper density.
as approved by the owner, shall
II. SITE DRAINAGE
be utilized throughout the project.
Any modifications to finishing The septic tank shall be installed
works shall be subject to the in a location approved by the
owner's discretion and approval. owner, ensuring compliance with
Any revisions to the plans must relevant regulations and site
be thoroughly reviewed with the requirements.
architect and formally authorized
Perimeter drain canals must be
by the owner before
properly integrated into the local
implementation.
drainage system to facilitate
The contractor shall be
efficient water management.
responsible for the regular
removal of construction debris Any existing canals affected or
and waste materials to maintain a disrupted during construction
clean and organized worksite. must be restored by the
contractor to their original
I. SITE PREPARATION
functionality and condition.
Establish the building layout on-
III. CONCRETE AND MASONRY
site, ensuring all lines and grades
WORKS
align with existing site conditions.
Precisely mark building lines and Concrete hollow block (CHB)
install batter boards and walls shall be constructed using
reference points in locations 4-inch and 6-inch blocks,
where they will remain reinforced with 10mm vertical
undisturbed during foundation bars spaced at 0.60 meters and
work. 10mm horizontal bars placed
Excavation must reach the every three layers.
required depth to ensure
Structural components, including Toilet and bath walls shall be tiled
columns, beams, and slabs, must up to a height of 1.90 meters to
incorporate appropriate ensure proper water resistance
reinforcement and concrete and ease of maintenance.
mixes as follows:
V. CARPENTRY WORKS
1. Class A – Applied to
All lumber shall be of an
columns, beams, and
approved type and quality,
suspended slabs
ensuring suitability for its
2. Class B – Used for intended application.
footings and slab-on-fill Wood must be properly dried and
applications free from sap, knots, or defects
that could compromise strength,
3. Class C – Designated for
durability, or appearance.
walkways and other
Door jambs and panels shall be
miscellaneous areas
custom-fabricated as part of the
All concrete must undergo construction work to meet project
moisture curing for a minimum of specifications.
seven days using approved local
The second-floor ceilings shall be
methods to ensure durability and
constructed using ¼-inch thick
strength.
marine plywood for enhanced
Formwork shall be carefully durability and moisture
removed to prevent damage to resistance.
the concrete and only upon
VI. DOORS AND WINDOWS
approval from the construction
supervisor. All doors must be installed with
the appropriate hinges and locks
IV. FINISHING MASONRY
as specified to guarantee
Interior and exterior walls shall functionality and security.
feature a plain cement finish
Windows at the rear shall be
unless otherwise specified.
constructed using a steel
Rough finishes will be applied
casement design to provide
where necessary to meet
durability and structural integrity.
functional or aesthetic
requirements. Glass installation must be carried
Non-slip floor tiles must be out from the exterior, secured
installed, or alternatively, rough firmly using clips and putty to
surfaces provided in designated ensure stability and proper
areas to enhance safety and sealing.
durability.
Door and window dimensions slope of 2% to ensure optimal
must strictly adhere to the doors drainage.
and windows schedule before Directional changes shall utilize
fabrication to maintain accuracy appropriate fittings, such as 45°
and design consistency. wyes, long sweep bends, or
suitable combinations for smooth
VII. ELECTRICAL WORKS
horizontal and vertical transitions.
All electrical work shall be
The use of double hubs or tee
directly supervised by a licensed
branches in horizontal soil or
electrical engineer to ensure
waste lines is strictly prohibited,
compliance with safety and
as is tapping or drilling into
industry standards.
drainage pipes.
Electrical installations must
strictly adhere to local utility Clean-outs shall be installed at
regulations and the provisions of the following locations:
the National Electrical Code.
o Where direction changes
The minimum wire size shall be exceed 22.5°
#12 unless otherwise specified in
o 1.50 meters inside the
the approved plans.
property boundary before
The layout for lighting and outlets connection
must follow the designated plan
o Every 15.00 meters along
unless modifications are
horizontal runs
requested by the owner.
o At the termination of all
All switches and outlets shall be
horizontal runs
National Jumbo brand or an
approved equivalent to guarantee The septic tank's digestion
quality and reliability. chamber must be completely
watertight to prevent leaks and
Electrical wiring must be fully
contamination.
concealed within appropriately
sized PVC pipes or similar A 0.30-meter air space must be
conduits, securely embedded in maintained between the tank
walls and slabs to ensure safety contents and the underside of the
and durability. cover to allow proper ventilation.
VIII. PLUMBING WORKS Septic tanks must not be
positioned beneath the building
Horizontal pipes must be properly
structure to ensure accessibility
aligned, maintaining a minimum
and compliance with regulations.
All plumbing fixtures must XI. OTHERS
conform to Philippine standards
All wood must be treated with
to guarantee quality and safety.
anti-termite solution before
A licensed master plumber must installation.
oversee all plumbing installations Foundation work must also be
to ensure compliance with treated against termites.
industry best practices and
regulatory requirements.
IX. ROOFING WORKS
Fabricate and install the roof
framing, ensuring proper
placement of anchors, purlins,
and support rods for structural
integrity.
Utilize clay barrel tile for roofing
to ensure strength and longevity.
All fabrication dimensions must
strictly adhere to the approved
plan to maintain accuracy and
compliance with design
specifications
X. PAINTING WORKS
Apply three coats of paint,
ensuring thorough surface
preparation and treatment to
achieve a durable and high-
quality finish.
The architect shall propose the
color selection, which must be
reviewed and approved by the
owner before application.
Davies paint shall be used as the
standard to ensure consistency
and quality across all painted
surfaces.
