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Republic of the Philippines
Department of Science and Technology
PHILIPPINE SCIENCE HIGH SCHOOL MAIN CAMPUS
Agham Road, Diliman, Quezon City
SECTION VI - SPECIFICATIONS
GENERAL SPECIFICATIONS
Item
Material Specifications
All materials and works shall conform to the provisions of the latest edition of the American
Standards for Testing and Materials (ASTM), Philippine National Standards (PNS), National
Building Code of the Philippines and other applicable standards both local and international.
A copy of certification of product conformity to BPS, TuV and other standards shall be furnished by
the contractor and submitted to the Procuring Entity’s authorized representative, if applicable.
A.
Technical Parameters
All materials to be provided herein are described in each scope of works and shall be of original
make while high quality materials are preferred. Specialty works should be done by specialty
fabricators as this requires expertise on materials handling and installation in addition to the special
tools and equipment needed to get the outcome of the finish specified.
B.
SCOPE OF WORKS
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1.1
GENERAL REQUIREMENTS
Temporary Facilities
The winning contractor shall provide its own temporary office & barracks for the stocking of his
materials and housing of its labourers. He shall also provide its labourers its own temporary comfort
room and bathing area. It is prohibited for them to use the Campus CR facilities.
1.2
1.3
1.4
Mobilization/Demobilization
Upon receipt of Notice To Proceed (NTP), the contractor shall mobilize his equipment, materials &
manpower immediately within the prescribed period stated from the NTP. After the completion of
the project, the contractor should inform and secure permit from the PSHS representative and
show it to the PSHS guard upon exit before any demobilization materialize.
Bonds, Sureties & Insurance
The contractor should post all the required Bonds, Sureties & Insurance as required from the IRR
of R.A. 9184.
As-Built & Other Submittals
The contractor upon completion of the project shall submit an As-built plan (1 original & 3 blue print
copy) of the details and scope of works done and completed as per actual works. An e-copy in jpeg
and autocad of the As-built plan shall likewise be submitted to the PSHS for the purpose of
reproduction and other future requirements.
2.
2.1
ADMINISTRATION BUILDING: MEDICAL & DENTAL CLINIC
Demolition Works
- In order to carry out the project as per the specified plans, all demolition works shall be
done in safe and guarded execution to prevent injuries and damage within the area. These
demolition includes; concrete walls, door/jambs, sink counter, CR tiles, including water &
sewer lines, electrical connections , shutting thereof, and other works that may be deemed
necessary for the renovation of the clinic.
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2.2
Windows: Clear Glass & Aluminum
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2.3
General:
All provisions of aluminum materials are powder coated in white finish. Glass windows are
clear ¼” thk and installed with all its rubber linings and reinforced with silicone sealant
including the edges on aluminum to aluminum, glass to aluminum and aluminum to concrete,
interior & exterior sides, to achieve maximum water tightness. Or glass aluminium works must
conform to standard practice for its fabrication and installation procedures.
For Sliding & Fixed windows, use 2x4” (1¾”x 4”) powdercoated aluminium tubular as the base
frame divided in to 2 sets of sliding window assembly and complete with all sliding
mechanisms, locks and other accessories.
For Fixed glass windows, 2’ x 11’ (more or less), use 1 x 2” powdercoated aluminium tubular
as the base frame, ¼” clear glass fixed by a snap-on-base & cover aluminium. The aluminium
assembly is divided into 4 frames of clear glass.
For the rest of the fixed glass windows, use the same size of aluminium tubular (1x2”) & snapon-base w/ cover, and no division thereof.
Revision of removed doors & jambs
General:
Existing doors & jambs removed from the demolition shall be salvaged for use in the revision
works. These doors shall be cut open at its upper part to a size of 2x3’ or less depending on
the make of the door studs assembly. Use ¼” thick clear glass restrained by a wood moulding
on both sides. Use also salvaged locksets & hinges.
- For main door use the same as above, but with one door (left side) shall be provided with a
cover wood moulding on its opening edge to act as a buffer to the other door (right side). The
right side door shall be equipped with a ceiling string bolt lock & a foot bolt lock on the floor.
The left side shall be provided with a door closer.
2.4
Provision of Sink Counter with Cabinet Doors & jambs
General
There are 3 sink counters in this project with only 1 design & size, using 10”deep sinks for the
medical & dental except for the pantry area using 6” deep sink. All are stainless steel make
more or less 16x18” installed in a workmanlike manner. The counters are supported by a 3.5
layers of a quality made 4” CHB reinforced by 2 sets of vertical 10mm diameter deformed bars
on chipped rugged floor applying mortar of 1:2.5 mixtures of cement & sand. Cement plaster
finish shall be applied on each side.
The counters shall be made of a reinforced concrete 3” thk w/ 10mm bars on 0.1m spacing
both sides prior to pouring using formworks suitably supported.
The same with the base using reinforced concrete 3” thk plain cement finish.
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The 3 sinks shall be provided with stainless steel gooseneck faucets tap on a water line to be
provided by the contractor as included in this project.
In order to conceal the underside plumbing assembly the counters shall be provided with prefabricated cabinet doors 4sets 12”x24” that will feet on the space given on the 2 x 3” kiln dry
jamb. The cabinet doors shall be fitted with high quality hinges & handles. All sides and
surface of the counters shall be painted as needed. (refer to painting works)
The top surface of the counter shall be applied with a 60x60cm homogeneous polished tiles
and also the 3” end side of it, to be installed by a skilled tile installer using tile adhesives.
Plumbing works shall likewise be provided to complete the scope using PPr pipes & fittings for
the water 20mm diameter with gate valve per sink counters, and PVC 2” diameter pipes &
fittings for the drains to be tapped on the existing lines.
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2.5
Provision of High-Performance (PUR) Flexible Flooring
- Made in sheets of 2m width rolls, homogeneous/heterogeneous multipurpose flooring, surface
treated with Polyurethane Reinforced (PUR) for ease of maintenance, density compacted
surface for improved wear and tear, incorporates a bacteriosatic and fungistatic treatment, and
is also antistatic. Supply and installation are to be provided by the Supplier as jointing of ends
requires sealing equipment for a seamless joints and a smooth floor finish with its self-levelling
adhesives prior to installation.
This kind of flooring shall be applied to all floors of the medical & dental area as indicated in
the plans.
- Capping shall be applied as shown complete with adhesive & sealing materials.
- Application should only commence once all other finishing works are completed or the area is
ready for such application.
2.6.
Provision of pavement & ramp
Existing steps going thru the oval area shall be converted into ramps for use by the medical
clinic for emergency purposes. Area going to the existing parking shall be prepared for
concreting works, elevation levelled from the existing oval to the parking area.
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2.7
Demolition of Steps, chipping works
Existing pebble wash-out concrete steps shall be demolished and converted into ramps to
accommodate emergency dealings from the clinic and vise versa. The chipping works shall be
done sloping gradually down to the oval area in preparation for the application of the pebble
wash-out finish.
Provision of Pebble wash-out finish
The ramp shall be applied with pebble wash-out using the same pebble sizes & color as
existing,, on a mixture of 1:1 ratio. (1bag cement : 1 bag pebbles), to be done by a skilled &
experienced mason.
Concrete pavement
Area to be overlayed with concrete shall be prepared the same way a street road is done.
However, this pavement shall be reinforced with 10mm diameter bars spaced at 0.3m on
center both ways.
Before overlaying of concrete the area should be thoroughly prepared, level the area by
excavation or backfill, apply compaction before spreading a layer of G1 or ¾ gravel sub base
coarse.
Other Works:
a. Removal of Steel Casement Window (SCW) & Cement Finish
There are 5 old & rusted SCW for removal and hauling to PSHS Storage area. The
window concrete opening edges damage as a result of the removal works shall be
repaired into seamless plain cement finish & painted in preparation for the installation of
the glass aluminium. A mixture of 1:2 cement:sand ratio is preferred.
b. Removal of existing ACU & 6” CHB cover, plaster.
Existing ACU are installed either in the lower side of window wall or inserted at the window
itself. The hole left out of the removed ACU at the concrete wall shall be fitted with 6” CHB
and plastered inside out. Apply concrete nails to properly restrain the covering.
c. Ceiling repairs
As a result of the wall demolition, ceiling might be out of holding position, it should be
restrained to the underslab of the 2nd floor properly to maintain horizontal uniformity of the
ceiling. The open area shall be covered with ¼” plywood or hardiflex as the case maybe.
d. Steel stand/bracket for the ACU
The existing ACU shall be placed/inserted on the fixed portion of the glass aluminium
window to be supported by a steel assembly made of 3/16” thk by 1 ½” angle bar as stand
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and minor angle bars of 1/8” thk x1 or 1 ½ sizes to accommodate the size of the removed
ACU. This assembly should be rust proofed with epoxy primer and finished with qde in
black color.
Reinstall ACU, electrical wires & devices, moulding, etc.
Removed ACU from its former location shall be re-installed inserted in the fixed glass
aluminium window and held by the steel assembly as specified above. Its corresponding
electrical works shall be likewise adjusted and installed by a skilled master electrician. The
contractor shall provide the necessary electrical materials needed to complete the works.
Dental Chair relocation, its devices, electrical & plumbing
The works includes the removal from its present location and re-install on its proposed
location as indicated in the plan. Likewise all its devices including the electrical & plumbing
considerations should be removed & re-installed as required in order for the equipment to
be operational as if it was not removed.
Repair concrete floor / wall, CR topping & finishing
Due to demolition of concrete walls, left rough floor & wall surface should be plain cement
plastered to even surface with the flooring and walls.
Switches & outlets relocation, wires & conduits, etc.
As a result of the renovation works switches & outlets may be out of location and therefore
should be relocated to accommodate standards & convenience. The contractor can use
whatever wires or devices salvaged from the demolition works but shall provide other
materials needed to complete the works.
Provision of plastic sign
The contractor shall provide and install signs made of cut-out opaque white vinyl sticker on
2mm acrylic blue plastic. Or can be designed in reverse whatever the best outcome of
combination the sticker and plastic would be to be approved by the Owner.
Double Wall Ficemboard on metal studs
Use commercial size (1.5 x 3”) standard thickness metal studs rigidly fastened to floor
and/or walls fully restrained, on a 2x2’ vertical & horizontal assembly with rivets not to be
moved by a slight lateral force. Either side shall be completed with a ¼”thk cement
fibreboard walling fastened by rivets 1/8 x ½” uniformly at .0.10 to 0.15 spacing
Painting works
All materials shall meet the requirements of the Standard Specifications on painting
application set forth on the Building code.
All paint materials shall be delivered on the job-site in their original containers with labels
and seals unbroken. Fake paints should be avoided, only original paints are required.
No exterior or interior painting shall be done under conditions which may jeopardize the quality
or appearance of the painting works.
All surface to receive paint should be cleaned and in proper condition. All works shall be
performed by experienced and skilled painters to ensure finished work of first class quality,
appearance and durability. All paints and other coatings shall be mixed and applied strictly in
accordance with the manufacturer’s printed instructions. When thinning is necessary, this may
be done immediately prior to application in accordance with the manufacturer’s label directions,
but not in excess of 1 pint of suitable thinner per gallon of paint. Kerosene shall not be used as
paint thinner. Paints of different manufacturer shall not be mixed together.
Use 2 coats of latex paints for concrete walls & cement fibreboard walls and 1 coat semi-gloss
latex as final coating. Use 2 coats flatwall enamel & 1 qde coat for all wood surfaces. All
surfaces shall be thoroughly undergone fine sanding process to even surface from the
application of glazing putty.Surface to be painted include; walls & ceiling, doors & jamb, cabinet
doors & jamb, inner surface of the sink counter and all other surface that requires to be painted.
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3
REHABILITATION OF SHB
3.1
Replacement of SCW & Repair of Doors
- a. The Contractor shall remove the old & rusted SCWs of the 4 laboratories as indicated in the
plans. The concrete window opening as a result of the removal shall be re-plastered and
finished with plain cement. The surface to be painted with 2 coats of flat latex and 1 coat of
semi-gloss latex shall cover at least 4” of the interior & exterior wall opening and the center
base surface opening.
- b. The contractor shall hire a glass aluminium fabricator/supplier for the provision of the fixed &
awning windows of the 4 laboratories of Science Humanities Building (SHB). The glass shall
be !/4” clear snap-on-base w/ cover framed on 1 ¾” x 4” powdercoated white aluminium
tubular, complete with sealant on every joint assembly, interior & exterior side, to prevent
seepages and leaks. Please see details as per plan.
- c. Existing steel door shall remain including its steel jamb for repair & repainting works. The
painting shall include the grilles and all preparation prior to paint application must be done in a
workmanlike manner.
3.2
Provision of Male & Female Comfort Rooms
- a. Demolition works & hauling of Debris
The demolition shall cover the front concrete walls on each side 1m x 2.2m to accommodate
the installation of the PVC doors. It also includes the walls along the male & female CRs, wall
at the rear side for window opening and the concrete water tank walls. All demolished
materials shall be hauled to a designated place inside the PSHS compound.
- b. Masonry & plastering
Construction of 4”CHB shall be the new wall of the Staff Male / Staff Female CRs and for the
6” CHB shall be the divider wall between the Male & Female CRs. Standard installation of
10mm diameter reinforcement for vertical & horizontal bars tied at 0.6m intersection shall be
applied, drilled partly to the concrete floor or walls as the case may be. Mortars shall be of
standard mixtures for CHB installation at 1:3. And plastering thereof with a mixture of 1:2 for
both sides of the wall.
- c. HI-quality PVC doors & jambs, locks, hinges, etc.
The Contractor shall provide & install new 0.8 x2.1m size PVC doors & jambs to the Male &
Female CRs. PVC jambs shall be installed true to form for a smooth door closing & opening by
a skilled mason/carpenter. The doors shall be fitted with high-quality locksets.
- d. Plumbing & Fixtures
Upon completion of the plumbing & tile works, the contractor shall provide standard quality
water closets, urinals, lavatories & faucets complete with its corresponding accessories. All
Fixtures shall be installed by a skilled master plumber under supervision by the Contractor’s
Foreman or Project Engineer to ensure quality work free from scratches & cracks and other
unsatisfactory workmanship. Otherwise fixtures with such damage shall be replaced at no cost
to the Owner.
Water lines shall be of PPR pipes & fittings as indicated in the plans. Provide gate valve at
every entry point of supply (1 for Male & 1 for Female CRs). The water supply valve of the
urinal shall be a standard ball valve only for easy maintenance.
Sewer & drain lines shall be standard 4”diameter PVC pipe & fittings & 2” diameter pipe &
fittings.
All water & sewer lines assembly shall be held by 1/8” x 1 1/5” angle bar on 10mm diameter
threaded bar assembly or any better hangers commercially available and other accessories to
complete the works.
- e. Painting works
All painting works shall be applied to walls ceiling and other surface as needed. Proper
painting execution shall apply as mentioned above.
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3.3
f. Electrical works
The contractor shall provide for the lighting of the 2 CRs. He will provide the wires, conduits,
devices and fluorescent lamp with 36W reflective holder complete with accessories. This work
shall be done by a skilled master electrician in a workmanlike manner.
.g. Glass Aluminum
The contractor shall provide 2 sets of 0.85x1.5m glass aluminium window of awning type, see
details. The window shall be made of 1/4” clear glass on awning assembly and framed with 1
¾” x 4” powdercoated aluminium tubular, complete with accessories and applied with sealant
on each joints & lappings & concrete edges to prevent seepages & leaks.
h. Mirror on ¼” thk plywood backing & aluminum frame
The contractor shall provide 2 x 3’ mirror installed at every set of lavatory complete with ¼” thk
plywood backing and framed with aluminium U-bar fitting. Apply sealant if applicable.
i. Phenolic cubicle w/ door, locks, accessories and stiffeners
The water closet areas shall be provided with phenolic cubicles of standard size. These 8
cubicles shall be fitted with locks, handles, hinges and other accessories and stiffeners to
complete the cubicle assembly. It must be rigidly assembled in a workmanlike manner.
j. Phenolic urinal divider
The urinals shall be provided with phenolic dividers with 0.2m top board. The top of the divider
shall be installed 1.5m more or less from the ground. The top board (for putting things) is
made of phenolic board held rigidly at the walls.
k. Homogeneous tiles, 60 x 60cm, adhesive
The Contractor shall provide non-skid 60 x 60 cm homogeneous tiles for the floors and
installation thereof using tile adhesive and uniformly distributed grout to complete the work.
Tile spacing shall have a maximum of 2mm to be installed by a skilled tile installer for a
seamless & uniform spacing tile work in a very satisfactory workmanlike manner.
l. Polished tiles, 30 x 60 cm, adhesive
This tile size shall be installed on the walls using the same tiles adhesive and the same
spacing as in the floor tiles. It shall only be installed by an experienced tile installer.
m. Lavatory Counter, reinforcement, concrete, 60 x 60 cm tiles
The contractor shall provide counters for Male & Female lavatories, 3” thick reinforced
concrete with openings fit for the lavatory itself. The concrete slab shall be finished with 60 x
60 cm polished tiles and the front siding of 3” thk to a uniform & seamless finish work.
n. Waterproofing works
Prior to installation of floor tiles, the floor should be applied first with 2 coats of cementitious
waterproofing let it dry for the day and apply the final coat of elastomeric paint the following
day. The applicator must concentrate on the sides of the plumbing works to ensure water
tightness and no seepages & leaks will occur.
Applicators are required to strictly follow the manufacturer’s mixing procedure to meet the
desired zero seepages, sealing aggregate pores, cracks & other concrete imperfections.
Before any application, surface to receive waterproofing should be thoroughly cleaned of all
dirt, old & peeling paints, sand papered and or steel brushed to its substrate in order to easily
absorb the cementitious waterproofing in 2 coats prior to application of elastomeric paints.
o. Scaffolding Rentals
The contractor shall provide its own scaffolding for use in the project.
p. Provision of plastic sign
The contractor shall provide and install signs made of cut-out opaque white vinyl sticker on
2mm acrylic blue plastic. Or can be designed in reverse whatever the best outcome of
combination the sticker and plastic would be to be approved by the Owner.
Repair of Staff Male & Female CRs
- a. Removal & re-install existing door for Male CR
The PVC jamb of the door will not be affected by the demolition but in as much as there will be
new concrete wall at the door handle side, the door itself should be installed on the other side
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of the jamb swinging to the right facing the new wall. The removal & re-installation must be
handled properly so as not to damage the plastic jambs.
b. Provision of new PVC door & jamb at the Female CR
Demolition of the concrete wall will damage the plastic jamb, therefore provision of new PVC
door 0.6x2.1m will be included in his (contractor) contract. He shall make use of the old lockset
from the old door. The new door & jamb and its accessories shall be installed properly.
c. Re- tile walls
Newly plastered CHB walls shall be re-tiled using the same size & design texture as existing
from floor to ceiling. If the provision of tiles has no equal tiles as existing, the contractor shall
show samples for approval by the Owner thru his representative. Use tile adhesive in the
installation work by a skilled tile installer.
d. Glass Aluminum Window
A reverse awning 0.3 x 0.9 m w/ ¼” thk clear glass on powdercoated aluminium complete with
accessories, shall be installed at the new wall opening for ventilation purposes.
e. Revise lavatory counter, water, drain...for Staff Male CR
The removed lavatory counter from the old Staff Male CR shall be re-installed as indicated in
the plans, including its water supply & drain lines & its faucet.
f. Replace Ceiling
Existing damaged ceiling of the Female CR shall be replaced with 3/16” cement fibreboard or
hardiflex. It shall be painted using 2 coats primer & 1 coat qde to complete the work.
g. Demolition of floor, wall tiles & plaster
The existing male CR has a concrete elevated step at the urinal part for demolition& the tiled
walls of the Male & Female CR shall likewise be demolished to restore the same wall section
passing thru the proposed new student Male & Female CRs. The rough wall shall be plastered
in preparation for the installation of 30 x 60 cm polished tiles.
h. Removal of Female Lavatory counter & other works.
Existing lavatory counter shall be removed and all its water & drain lines will be shut off.
Because of the little clearance given up for the walk way more complemented by the thickness
of the new CHB wall, there is no more room for it to be installed even if it is trimmed down to a
60 x 60 cm sized counter. This removed lavatory counter shall be salvaged & hauled to the
storage area inside PSHS compound.
C.
LABOR & MANPOWER
Supply of labour and manpower shall include expertise in the methodology in the required works.
Rectification on faulty works as may be deemed necessary shall be done immediately prior to
product orientation/training and turning over.
D.
ITEMS TO BE PROVIDED BY THE PSHS-MC
Access to the buildings and facilities as stated in the project, limited only to the areas the project
requires. Security for all delivered tools and equipment inside PSHS up to the provision of
temporary storage area for the supplied materials. Provision of area for temporary barracks as may
be deemed necessary. Free consumption of electricity and water as required specifically limited to
only for the purpose of the completion of the project.
E.
1.
PROJECT DURATION
The duration of the project shall be set to Ninety (90) calendar days (including Saturdays,
Sundays & Holidays). But as a school with the highest standard of learning, the Contractor is
requested to finish the project at the earliest possible time, so as not to cause so many
disturbances to the PSHS community particularly to the learning students.
Project duration may be adjusted as the need arise provided that a certification issued by the
competent government agency tasked in issuing the needed documents be presented by the
contractor and shall be or in accordance with the provisions as stated on R.A. 9184.
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F.
SAFETY PROVISIONS
The Contractor shall be liable for any damages to the property of the PSHS and any injuries
afflicted to any person within the perimeter of the work area caused by improper execution of the
works as required in the project and/or unprecedented cause of events in the execution.
The contractor shall be responsible for the safety and orderliness of the worksite and workers
tasked in completing the project.
The contractor shall employ safety officer to the project and that a Safety Policy/ Program specific
to the project shall be submitted by the contractor to the procuring entity for review and approval as
stipulated in the Department Order No. 13 of the Department of Labor and Employment.
G.
WARRANTY / GUARANTEE AND OTHER SERVICES
Warranty/ Guarantee Period for defects in workmanship and materials installed therein shall be
one (1) year for all the works as enumerated in the Bill of Quantities.
Company Name
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Address
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Authorized Representative
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Date
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