Uploaded by Lady Mae Brigoli

TECHNICAL SPECIFICATION

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Project Title:
Location:
Subject:
PROPOSED TWO-STOREY RESIDENTIAL BUILDING WITH
ROOF DECK
BACONG, ANDA, BOHOL
SPECIFICATION
SPECIFICATIONS
SECTION I
GENERAL CONDITIONS
1. WORK INCLUDED
1.1 Unless otherwise specified, all works concerning this
project should be in accordance with plans and
specifications.
2. PLANS AND SPECIFICATIONS
2.1 All drawings, small scale, detail drawings and models
are intended to cooperate with the specifications to
form a part of the contract documents. Where figures
are given, they are to be followed in preference to
measurement by scale. Anything shown in the drawings
and not mentioned in the specifications or vice-versa or
anything not expressly se forth in either but which is
reasonably implied shall be furnished and installed as
though specifically shown and mentioned in both.
3. SUPERVISION
3.1 The work shall be under the direct supervision of the
Architect/ Engineer.
3.2 The
Architect/Engineer
or
duly
authorized
representative/s shall make all the interpretation of
plans, specification and portions thereof that may
appear vague. Any modifications or alterations shall be
decided by the Architect with the approval of the
owner.
SECTION II
SITE PREPARATION AND EXCAVATION
1. SCOPE OF WORK
1.1 The work to be undertaken this section includes but not
limited to the following:
a. Clearing and Cleaning
b. excavation
c. filling
d. backfilling
2. EXECUTION
2.1 Clearing, excavation, filling, backfilling and grading
shall be done as indicated in the plan
2.2 Provide protection and drainage to excavated areas.
Install shoring, sheeting, bracing and necessary for
safety and workmen
2.3 Stockpiling excavated materials for use in backfilling
and filling shall be in areas that will not hamper other
works. Materials required for fill in excess of that
produced by excavation shall be sand or earth free of
decayed vegetation, rubbish or debris.
2.4 Gravel under concrete slab shall be river run gravel with
a maximum size of 50mm. A minimum size of 12.50mm.
Gravel shall be thoroughly tamped before concrete is
placed.
SECTION III
CONCRETE AND MASONRY WORKS
1. SCOPE OF WORK
1.1 The work to be undertaken under this section includes
but not limited to furnishing of labor, equipment and
materials necessary to complete the following:
a. Columns
b. Column footings
c. Beams
d. Concrete Rafters
e. CHB walls
f. Wall footings
g. Slab on Fill
h. Complete cement plaster finish
i. All other surface to render ready for use
2. DELIVERY, STORAGE, AND HANDLING MATERIALS
2.1 All materials shall be so delivered, stored and handled
as to prevent the inclusion of foreign materials and the
damage of materials by water or breakage.
2.2 Packaged materials shall be so delivered and stored in
original packages until ready for use.
2.3 Packages or materials showing evidence of water or
other damaged shall be rejected.
2.4 All materials delivered shall be subjected to the
inspection of the Architect or his authorized
representatives and approval shall be requested
before its uses.
2.5 All materials delivered shall be of the respective
qualities as specified.
3. WATER
3.1 Water to be used in gauging concrete shall be free
from oil, acid, alkali, vegetable matter of other
deleterious substance and shall be reasonably clear
and clean. The use of sea or blackish water is not
allowed.
4. CEMENT
4.1 Cement shall be of any standard commercial brand in
standard 40 kg. bag such as Island, Republic or any
other available equivalent. No rebagged cement shall
be used.
5. FINE AGGREGATE
5.1 Fine aggregates used in the composition of concrete
mortar, grout or plaster shall consist of sand and other
characteristics or a combination thereof, having clean,
hard, strong, durable, uncoated grains and free from
injurious amount of dust, lumps, soft or flaky particles
and shall not contain more than 5 percent of clay. The
use of limestone or beach sand is prohibited. For
exposed work fine aggregates shall be free from any
substance which will discolor the concrete surface.
6. COARSE AGGREGATE
6.1 Coarse aggregate shall consist of crushed stones,
gravels, or other approved inert materials with similar
characteristics or a combination thereof, having clean,
hard, strong, durable, uncoated particles, free from
injurious amount of soft, and elongated and laminated
pieces, alkali, organic or other matter.
6.2 Coarse aggregate shall be well graded as to size,
ranging from 6mm. Up to size which will readily passed
between
all
reinforcing
bars
and
between
reinforcement and form but not to exceed 25mm in size
for reinforcement beams, floor slabs, columns, etc. and
may range up to 50mm for less highly reinforced parts
of structure, such as footings and massive works.
6.3 The Architect or his authorized representative in charge
may, at his direction, require screening and washing of
coarse aggregates.
7. METAL REINFORCEMENT
7.1 Reinforcing bars shall be standard commercial
deformed steels, such as "Iligan steel", "Meralco steel",
"PBM" or other locally available equivalent. 2” x 4” x
6mm thk C-Purlins shall also be used as reinforcements.
7.2 Tie wires shall be local standard commercials G.I. wires
guage 16.
7.3 Placing steel reinforcement - Place reinforcement
accurately fastened and support it to prevent
displacement before or during placing of concrete.
Bars shall be bent cold. Bars shall be free from rust,
scales and oils. Splices in bars shall be made at critical
points of maximum stresses.
8. EXECUTION
8.1 Construction of Forms - construct from sufficiently tight
to prevent leakage, securely brace and shore forms to
prevent displacement and to safely support
construction loads. Forms shall be made at critical
points of maximum stresses.
8.2 Proportioning of concrete shall be by volume. For
columns/footings and beams use Class A 1:2:4. For wall
footings and slabs, Class B 1:2:5:5.
8.3 Mixing concrete/material shall be measured, batched
and mixed in a batched mixer or by hand in a water
tight wooden platform at the job site.
8.4 Placing concrete – Concrete shall be rapidly handled
from the mixing site to forms and deposited as early as
possible in its final position without loss ingredients.
Concrete shall be spaded and worked by hand to
assure close contact to surfaces of forms and
reinforcement. Concrete that has partially hardened
shall not be allowed. Concrete that has partially
hardened shall not be allowed. Concrete shall not be
dropped freely than 1,520 mm (5 ft) for columns and
not more than 920 mm (3 ft) for footings and slabs.
8.5 Preparation for placing concrete – Before placing
concrete, remove all sawdust, chips and other
construction debris from the places to be occupied by
the concrete. Reinforcement shall be secured in
position and inspected by the Architect or his
authorized representative.
8.6 Curing shall be started as soon as free water has
disappeared from the surface of the concrete. The
entire surface of the concrete shall be covered with
canvass, sand straw, jute sack or other satisfactory
materials and kept moist by flushing or sprinkling water.
Curing shall continue for a period of not less than 7
days after placing the concrete.
8.7 Concrete hollow blocks shall be non-local bearing
locally produced hollow blocks duly approved by the
Architect or his authorized representative. They should
be true to size without cracks, chips or spurs or other
defects, which may impair their strength and durability.
SECTION IV
1.
DOORS AND WINDOWS
SCOPE OF WORK
1.1 The work to be undertaken under the section includes
but not limited to furnishing of labor, equipment and
materials necessary to complete the following.
1.
a. Sliding glass door
b. Powder Coated Windows
c. Panel Doors/ or Hardwood Panel Doors
d. Panel Doors at Toilets
EXECUTION
2.1 All doors shall be done as specified and shown on
detailed drawings
2.2 Each panel of hinge doors shall be hang on 88.92 x
88.92 mm (3.5 in x 3.5 in) loose pen hinges. All hinges
shall be “Stanley” brand or approved equal chromium
plated nickel brass.
2.3 All locks shall be “Schlage or Kwikset” or approved
equal and shall be installed in door
frames at the
same height of 1.00 m from finish floor line.
SECTION V
ELECTRICAL
WORK
(refer
to
ELECTRICAL
SPECIFICATIONS)
1.
SCOPE OF WORK
1.1
The work to be undertaken under this section
includes but not limited to furnishing of labor,
materials and equipment necessary to complete
the electrical system of the building.
2.
EXECUTION
2.1
No wire smaller than 3.5 mm shall be used in any
portion of the work. Conductors shall be installed
with sufficient tapes and provided on the splices to
make proper and safe connections.
2.2
All switches shall be flushed type, “National” or
approved equal.
2.3
All electrical wires to be used shall the TW AWG wire
encased in 15mm diameter PVC.
2.4
All works hereunder shall comply with the
requirement of the latest edition of the Philippine
Electrical Code and the Rules and Regulations of
the Local Power Company.
2.5
If anything has been omitted if any item of materials
usually furnished which are necessary for the
completion of the lighting system work as outlined
herein before, then such item must be and are
hereby included in this section of the work.
SECTION VI
1.
TILEWORKS, PLUMBING, FIXTURES AND ACCESSORIES
(Refer to PLUMBING SPECIFICATIONS)
SCOPE OF WORK
1.1
The work to be undertaken under this section
includes but not limited to furnishing of labor,
2.
equipment and materials shall be referred to the
Master Plumber/ Or Plumbing Engineer necessary
to complete the following:
a. Tile works
b. roughing in
c. plumbing fixtures and accessories
EXECUTION
2.1
All shall comply with requirements and provisions of
the National Plumbing Code.
2.2
Horizontal waste lines receiving the discharge from
two or more fixtures shall be provided with vents
connected to the stack vent at least four feet from
the floor level.
2.3
Toilet fixtures must be standard type for toilet shall
be installed flooring only and shall be of 400 x 400
Mariwasa, Tenzen, or approved equal.
2.4
All clean water pipes must be of PPR pipe
(Polypropylene) PN-16 for pipes & PN-25 for fittings.
Joints must be properly fitted. Waste pipe shall be
PVC (EMERALD) brand, S-1000 for pipes and fittings.
2.5
If anything has been omitted in any item for the
completion of the plumbing system works as
outlined herein, then such items must be and are
hereby included in this section.
SECTION VII
SPECIFICATIONS)
SECTION VIII
1.
MECHANICAL
WORKS
(refer
to
MECHANICAL
FINISHING AND PAINTING WORKS
SCOPE OF WORK
The work to be undertaken under this section includes but
not limited to furnishing of labor, equipment and materials
necessary to complete the following:
a. Walls
Use BOYSEN Colorizer Series G-Latex paint for all exterior
painting works and BOYSEN Medley Latex paint at the
interiors of the building, comfort rooms, and all plywood
ceilings unless otherwise specified by the Architect.
All Interior floors- 400 mm x 400 mm Ceramic Unglazed for
kitchen and bedrooms.
All Interior floors- 600 mm x 600 mm Porcelain Glazed for
Living, Dining, and Family Hall.
All rest room floor tiles 300mm x 300mm unglazed tiles.
Wall tiles combination of 300mm x 300mm glazed tiles and
300mm x 600mm granite glazed tiles.
2.
EXECUTION
All shall comply with requirements and specifications
prescribed by the manufactures.
Prepared by:
LADY MAE BRIGOLI.
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