construction of pnp multi-level parking...

PROJECT: Construction of PNP Multi Level Parking (Grandstand)

LOCATION: PNP Transformation Oval, Camp Crame, QC

PNP ENGINEERING SERVICE

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TECHNICAL SPECIFICATIONS

Construction of PNP

Multi-Level Parking

(Grandstand)




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TABLE OF CONTENTS ITEM PAGE

GENERAL REQUIREMENTS 3-6

A. SITE PREPARATION 6-7

B. EXCAVATION AND EARTH WORKS 7-9

C. DRAINAGE SYSTEM AT THE SITE 9-10

D. 10-11 E. PLAIN AND REINFORCED CONCRETE 12-18 F. CONCRETE MASONRY 19-25 G. STRUCTURAL STEEL 25-27 H. CARPENTRY AND JOINERY WORKS 27-29 I. HARDWARE 29-35 J. ARCHITECTURAL FLOOR & WALL FINISHES 36-38 K. ARCHITECTURAL CEILING FINISHES 38-39 L. DOORS AND WINDOWS 40-44 M. GLASS & GLAZING 44-47

N. ROOFING & METAL CEILING FINISHES 47-48

O. PLUMBING AND SANITARY WORKS 48-51 P. ELECTRICAL WORKS 51-59 Q. PAINTING WORKS 60-61




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R. WATERPROOFING 61-64

S. BUILDING SIGNAGES 65

TECHNICAL SPECIFICATIONS WITH CORRESPONDING SCOPE OF WORKS

GENERAL REQUIREMENTS

1.1 These specifications are intended to cover all labor and materials for the complete construction of the proposed project as shown in the working drawings and describe herein. All kinds of procurement, rentals of equipment and other incidental expenses shall be borne by the Contractor.

1.2. All items calling for labor and/or materials not specifically mentioned

herein but called for in the plans and deemed necessary to complete the work shall be supplied by the Contractor, and executed in a workman-like manner with the highest quality available, without extra cost to the PNP.

1.3. Any extra changes deemed necessary by the Contractor on the plans

and specifications, it must be first submitted to the PNP Engineering Service (PNPES) for appropriate action.

1.4 The Contractor shall secure all permits and licenses as required. Also he

shall be responsible for all liabilities under workmen’s compensation, SSS, Insurance etc.

1.5 The Contractor shall provide and enforced the use of all necessary

Personnel Protective Equipment (PPE) for the protection and convenience of his workers at his expense in order to have a proper and efficient execution of the work.

1.6 The Contractor must request to the OICC for a walk-through inspection

on the project for punchlisting of works that will be seen not to be in accordance to engineering work standard for rectification. Punchlisting will be conducted when the project is already ninety five percent (95%) completed prior to final acceptance.

1.7 The Contractor shall guarantee the building except for works with

specific guarantee for a period of one (1) year after final acceptance by the PNPES. He shall repair, replace and make good at his expense all defects which may arise during the term of guarantee and warranty due to defective workmanship and/or inferior quality of materials.

1.8 The schedule of order and progress of works that the contractor shall

submit as stipulated in the “General Conditions”, must be adopted and coordinated with the OICC. In cases where the Contractor has to destroy existing paved or




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concreted areas to accommodate his work, he shall restore the damaged structure to its original condition at his own expense.

1.9 The Contractor shall submit to the PNPES, two (2) sets of as built plans

upon completion of the project reflecting field changes on the original plans. 1.10. The following temporary facilities shall be provided by the Contractor at

his own expense. It is understood that the said expenses are already included in his Bid Price.

Field Office

a. The Contractor shall construct a field office of adequate sizes 2 weeks after receipt of Notice to Proceed.

b. The field office shall be made of descent temporary structure and its flooring elevated from to ground to prevent from flooding during rainy days.

c. The field office shall be used by the contractor’s technical staff for the duration of the project.

Storage

a. The Contractor shall provide storage/ sheds for stock piling of cement, steel bars, hardware and other construction materials intended for the project.

b. Storage for cement shall be provided with elevated platforms properly enclosed to protect cement from weather elements.

Barracks Bunk Houses The Contractor shall provide temporary shelter and or sleeping quarters for his construction personnel, properly maintained for the duration of the projects. Temporary Fences/Barricades

a. The Contractor shall provide and maintain suitable and approved temporary fences or barricades around the premises to safeguard his workmen and the public against accident and possible pilferage.

b. The Contractor shall also provide and maintain sufficient lighting, temporary sidewalks, nets, danger signs, safety measure against falling debris and other protective devices.

Sanitary Facilities




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The Contractor shall construct temporary toilets/latrines for use during the construction period and shall maintain such facilities in sanitary condition at all times until the completion of the project. Temporary Electrical Connections

a. The Contractor shall provide for the lighting and power requirements of the project during the construction period.

b. The Contractor shall make the necessary arrangements for the

supply, installation, maintenance and removal of the electrical connections after the completion of the projects.

Temporary Water Supply Connections

a. The Contractor shall provide for the water supply requirements of the

project during the construction period.

b. The Contractor shall make the necessary arrangements for the supply, installation, maintenance and removal of the water supply connections after the completion of the projects.

Building billboards

The Contractor shall provide billboards containing the name of projects, contractor, supervising officials etc. during the duration of project. The contents and size of the building billboards shall be coordinated with the PNPES.

Demolition of the Existing Structure

The Contractor shall demolish, if any, all existing structures necessary for the implementation of the project and verify existing condition of the structural and lot boundaries.

Building Marker

The Contractor shall install building marker upon the completion of the project. The contents and size of the marker shall be coordinated with the PNPES.

A. SITE PREPARATION

A.1 Existing Public Utilities

The Contractor shall ascertain the whereabouts of all existing public utilities on the site, both above and below ground. Such utilities shall be removed, sealed or rerouted at the Contractor’s own expense. The Contractor shall also be held




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responsible for all damages entailed on any of the public utilities adjacent to the site resulting from the works.

A.2 Removal of Existing Structures and other Obstructions This work shall include, but not be limited to, the removal of existing structures

and other obstructions interfering with the works.

A.3 Cleaning and Grubbing

The Contractor shall perform the clearing and grubbing (if any) of top soil consisting mainly of loose and unsuitable soil. All materials resulting from the above operations shall be removed from the site, loaded and transported and off loaded spread and leveled to approved dumps as indicated in the plans.

A.4 Setting-Out

The Contractor shall stakeout the work as shown on the Drawings and secures the OICC’s approval of his stakeout before proceeding with the construction. If, in the opinion of the OICC, modification of the line or grade is advisable before or after stake-out, the OICC will issue detailed instructions in writing to the Contractor for such modification and the Contractor shall revise the stake-up for further approval in accordance with the relevant Clause of the Conditions of Contract.

B. EXCAVATION AND EARTH WORKS

The Contractor shall carry out all excavations, filling, backfilling and all other earthworks required in whatever material may be encountered.

B.1 EXCAVATION The Contractor shall make all necessary excavation for foundations to establish

grades indicated on drawings without extra compensation including all other excavations required and necessary for the proper prosecution of the work.

1. Deviation from the foregoing limitations for slopes shall be permitted only upon presentation of a soil investigation report acceptable to the PNPES.

2. Trim the excavation to the required depth, lines and grades and other incidental excavations to level up the footing plus compacting and tamping which are included in the Contract.

3. The materials to be excavated shall include: any rock, earth and other materials of any nature and description encountered in obtaining the indicated lines and grades.




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4. If the required safe bearing power of the soil is not obtained at the excavation depth indicated on the drawings, the excavations shall be continued until such safe bearing power is reached.

5. Structural excavation shall be done to the required depth or as per plan

and specification. Provide sufficient distance from wall and footings. No footing shall rest on fill.

6. Piers and walls shall be lengthened accordingly and likewise, the footings shall be revised to suit the new conditions for which the Contractor shall be paid at the unit price bid for concrete work.

7. No fill or other surcharge loads shall be placed adjacent to any building or

structure unless such building or structure is capable of withstanding the additional loads caused by the fill or surcharges.

8. Footings or foundations which may be affected by the excavation shall be underpinned adequately, or otherwise protected against settlement and/or against lateral movement.

9. Fills to be used to support the foundations shall be placed in accordance with accepted engineering practices. A soil investigation report and a report of satisfactory placement of fill, both, shall be acceptable to the PNPES.

10. The Contractor shall reconstruct to the proper level and profile any filled

areas which settle or spread during the execution of the work or during the maintenance period.

B.2 FILLING AND GRADING

1. All excavation shall be back-filed immediately as work permits after

concrete walls and piers have attained full design strength. 2. After the forms have been removed from the footings, walls and piers, the

material taken from the excavations (free from waste and objection matter) shall be used for backfilling around it. No backfill shall be executed until the footings, foundations, etc., have been inspected.

3. Backfill and fill shall be a structurally sound. The filling material shall be

made in layers not to exceed 15 centimeters and thoroughly tamped and compacted with compaction equipment before the next fill is placed. Moisture content shall be adjusted until weight compaction shall be achieved. Excess excavated materials shall be placed and spread on the immediate premises.

4. In spaces where slabs rest on the ground, or on earth-fill shall be labeled

accurately graded with 10 cm thick of gravel and sand and tamped thoroughly before concrete pouring is done.




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5. All exterior grades shall be formed in accordance with the drawings and specifications, taking into account the requirements for landscaping work, if any, and giving due allowances for the top soil depth.

6. The Contractor shall grade the area included within clearing lines as

defined in “Clearing” under the General Conditions and all such grading work shall be included in the building Contract without additional cost.

B.3 EARTHWORKS INSPECTION

1. The Works shall be executed accurately to the dimensions, levels, lines and profiles as indicated on the drawings.

2. No backfilling, gravel/rock bedding or concrete pouring shall be done by the

Contractor unless the bearing surfaces has been inspected. B.4 STORING OF SUITABLE EXCAVATED MATERIAL

During excavation, materials suitable for backfill and fill shall be stockpiled on

the Site at sufficient distance from the sides of the excavation to avoid overloading and prevent caverns or mixing with the concrete during the construction of foundations. B.5 DISPOSAL OF UNSUITABLE AND EXCESS EXCAVATED MATERIAL

1. Upon the order of the Engineer, all unsuitable and surplus excavated materials shall be immediately removed.

2. Loaded and transported off the site area by the Contractor to approve dumps and he shall abide by the relevant local regulations.

C. DRAINAGE SYSTEM AT THE SITE

1. The Contractor shall provide, construct and maintain for the duration of the work, drainage system of the site.

2. The Contractor shall protect and maintain all conduits, drains, sewer pipes and other utility services that are to remain on the property or in the building, or in the site, where required for the proper execution of the work.

3. Dewatering, removal of accumulated water from excavation area before

backfilling or pouring of concrete. The Contractor shall drain and dewater the underground water to a level below the excavated area by lowering the water table with a proper drainage and dewatering system.

4. The Contractor shall notify all corporation, companies, individuals or other

authorities concerned with the above conduits, drains, water and sewer pipes, running




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to the property of the site, and protect, relocate, remove, cop or discontinue all pipes, sewer, and other utility services, which interfere with the excavation in accordance with instruction and requirements of the above notified parties.

E. PLAIN AND REINFORCED CONCRETE

E.1 SCOPE This section describes and specifies work required for plain and reinforced concrete, including formwork intended to be used for the Project. This Item shall consist of furnishing, placing and finishing concrete in buildings and related structures, flood control and drainage, and water supply structures under the Contract in accordance with the Drawing plans, Bills of Quantities and the Specifications.

E.2 STANDARD SPECIFICATIONS AND CODES The work covered by this Section unless otherwise specified or detailed, shall be governed by the Building Code (ACI 318), Standard Code for ARC and Gas Welding Society. The latest edition of all standards Specifications or Codes will be used.

E.3 MATERIAL REQUIREMENT

Portland Cement

a. Portland Cement shall conform to the requirements of ASTM C-150 Type for normal Portland cement; Type III for High Early Strength Portland Cement.

b. Cement shall be standard commercial brand in 40 kilograms.

Fine Aggregates

Sand shall be clean, hard, coarse river sand or crushed sand free from injurious amount of clay loam and vegetable matter and shall conform to ASTM C-33 or C-330.

Coarse Aggregate

Gravel shall be river run gravel or broken stones. The maximum size shall

be 1/5 of the nearest dimension between sides of forms of concrete or ¾ of the minimum clear spacing between reinforcing bars, or between re-bars and forms whichever is smaller.

Mixing Water




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Water in mixing concrete shall be clean and free from injurious amount of

oils, acids, alkali, organic materials or other deleterious substances.

Concrete Testing

For test purposed, provide one-set of three cylinders taken from each class of fresh concrete. Cure cylinders in accordance with ASTM C31, and test them in accordance with ASTM C39.

Specified Compressive Strength: Structures Minimum Compressive Strength f’c Columns, Beams, Slabs 6000 psi Footing Foundation 6000 psi Slab on Fill 6000 psi

E.4 STORAGE OF MATERIALS

1. Cement and aggregates shall be stored in such a manner as to prevent deterioration or the intrusion of foreign matter.

2. Cement shall be stored, immediately upon arrival on the site of the work, in

substantial waterproof bodegas, with floor raised from the ground sufficiently high to be free from dampness. Aggregates shall be stored in such a manner to avoid the inclusion of foreign matter.

E.5 PROPORTIONING OF CONCRETE

1. The Contractor shall employ at his own expense, an approved testing, laboratory which shall design the mix for each type of concrete required by the Specifications and drawings to obtain strength as determined by test cylinder at least 15 % higher than required. Strength requirements shall be noted on the drawings.

2. The adequacy of the mix design shall be verified by a test on a minimum of

6 cylinders, 3 tested at 7 days; 3 at 28 days, in accordance with ASTM C-192 and G-39 and by slump test in accordance with ASTM C-143.

3. The testing laboratory shall submit 5 copies of the mix design and the test

results to the PNPES for approval before any concrete is placed.

4. If at any time during construction, the concrete resulting from the approved mix design proves to be unsatisfactory for the reason such as too much water, lack of sufficient plasticity to prevent segregation, honeycomb, etc. or insufficient strength, the Contractor shall immediately notify the testing laboratory and the PNPES.

5. Stone concrete – Minimum compressive cylinder strength of concrete fc’ at 28 days area as follows:




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a. fc’ 40 Mpa for suspended beam, slab, footings and columns. b. fc’ 21 Mpa for walls.

6. The Water Content shall not exceed 28 liters per 40 kilograms per bag

cement, and the slump test shall not exceed 10 cm. Note: Testing results of the tensile & comprehensive stress shall be submitted to PNPES.

E.6 MIXING CONCRETE Unless otherwise authorized, concrete shall be ready- mixed concrete. E.7 READY MIXED

1. All ready mixed concrete shall conform with the requirements of ASTM C-94, placed in forms within one hour after adding water or not more than ½ hours if a retarder is used. It shall be kept constantly agitated during the transit period.

2. Pouring of concrete shall not be stated until after the forms and

reinforcement for the whole unit are properly laid and installed, cleaned, inspected and approved.

3. Construction joints shall be rough-in and clean thoroughly before any

pouring starts. Wet and slush surface with cement mortar. E.8 HANDLING AND PLACING OF CONCRETE

1. Immediately after the concrete is mixed, it shall be conveyed by approved push cart or buggies to designated locations and carefully deposited in such manner as to prevent the separation of ingredient or displacement of the reinforcement.

2. Keep temporary runaways built in such a manner that runway supports

will not bear reinforcement of fresh concrete. Conveying or hauling of concrete by the use of long inclined chutes or pipes shall not be permitted.

3. Dumping of concrete into carts or buggies with a free fall of more than

one (1) meter will not be permitted. Hardened splashes or accumulation of concrete on formed or reinforcements shall be removed before the work continues.




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4. When placing operations would involve dropping of concrete of more than 1.50 meters high, it shall be deposited through a sheet metal or other approved conveyors.

5. AS for practicability, the conveyors shall be kept full of concrete during

the placing and their lower ends shall be kept buried in the newly placed concrete.

6. After the initial set of concrete, the forms shall be jarred, and no strain

shall be placed on the ends of the projecting reinforcing bars. Foundations shall be free from water during concreting.

7. Concrete in columns shall be placed in one continuous pouring operation

and allowed to be set 12 hours before caps are placed. Likewise, concrete in beams and slabs in superstructure shall be poured in one operation.

E.9 CURING AND PROTECTION

1. All concrete work shall be protected from drying out after removal of forms by covering with waterproof paper, polyethylene sheeting, burlap, with a coating of approved membrane curing compound having moisture retention equal to 90% based on ATM C-309 and C- 156, applied in accordance with the manufactures instruction for use.

2. Wet burlap as often as required to keep concrete wet throughout each

day for a period of at least 7 days where Normal Portland cement is used and 3 days where high early strength cement is used.

E.10 FORMS General Conditions

1. Forms shall conform to the shape, lines and dimensions shown on the drawings. They shall be substantial and designed to resist the pressure and weight of the concrete.

2. Forms shall be properly tied and braced or shored so as to maintain their

position and shape. Forms shall be sufficiently tight and strong enough to prevent leakage of the mortar.

3. Provide temporary openings where necessary to facilitate cleaning and

inspection before depositing concrete. 4. Before construction, all forms are subject to approval. The type of form used

shall be in accordance with the finished requirements as specified or as shown on the detailed drawings.




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5. Forming shall start at the first floor level with new materials. Forms for exposed concrete may be re used only if the surface has not absorbed moisture and has not splintered, warped or peeled, subject to the approval of the supervising Engineer.

6. Forms shall be coated with non- staining form oil before setting

reinforcement. The form of oil shall not contain chemical that will impair the strength of the concrete.

7. All exposed corners shall be squared. Extra care shall be exercised whill

stripping the forms. Corners shall be protected against chipping or other damages that may be caused by the working force.

8. Removal of forms or shoring is subject to approval by the PNPES and under

no circumstances shall bottom form and shoring be removed until after the members have acquired strength to support their weight and the load thereon. Forms shall remain in place for a minimum of time as follows:

Columns - - - - - 3 days Stairs (bottom forms) - - - - - 21 days Beams and slabs - - - - - 21 days

E.11 CONCRETE REINFORCEMENT

Free from flaky rust, mill scale, and other coatings. Place reinforcement in position shown in the plans, fasten and support securely to prevent displacement before or during placing of concrete. Tie wire main reinforcement at all intersections. E.12 CONCRETE FLOOR ON FILL Concrete floors and steps on fill shall be laid on a prepared foundation which shall be placed as follows:

1. Earth or sand fill shall be laid on a uniform grade as shown on the detailed drawings, fill shall be placed in layers not to exceed 15 centimeters thick, for each layer being thoroughly wetted and rolled or tamped.

2. Earth or sand fill shall be made as soon as the concrete of the walls and

foundations has set sufficiently to permit the filling load and pressure. On top of this fill shall be placed 10 cm layer of gravel which shall be rolled or tamped.

3. All of these sand and gravel foundations specified above shall be kept wet

for at least 30 days after rolling or tamping so as to allow settlement before the floors are placed.

4. All concrete shall be of such consistency as to require tamping to bring the

water to the surface. Tamping shall be done mechanically.




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5. Concrete floor and steps on fill or in ground shall be reinforced as indicated in the drawings. The size and spacing of the reinforcing steel shall be in accordance with the drawings or specifications.

E.13 HANDLING AND PLACING OF CONCRETE

Concrete during and immediately after depositing., shall be thorou6ghly compacted. The compaction shall be done by mechanical variation subject to the following provisions:

1. The vibration shall be internal unless special authorization of the method is

given by the supervising architect of Engineering or as provided herein.

2. Vibrators shall be of a type and design approve by the supervising Engineer. They shall be capable of transmitting variation of the concrete at frequencies of not less than 4,500 impulses per minute.

3. The intensity of vibration shall be as such as to visibly affect a mass

concrete of 25mm., slope over a radius of at least 50 centimeters.

4. The contractor shall provide a sufficient numbers of vibrators to properly compact each batch immediately after it is place in the forms.

5. The vibration shall be applied at the point of deposit and in the area of

freshly deposited concrete. The vibrations shall be inserted into and withdrawn from the concrete slowly and gradually.

6. The vibration shall be of sufficient duration and intensity to compact the

concrete thoroughly but shall not be continued so as to cause segregation. Vibration shall not be continued at any one point to the extent that localized areas of grout are formed.

7. The vibrators shall be thoroughly manipulated so as to work the concrete

around the reinforcement and embedded fixtures and into the corners and angles of the forms.

8. Application of vibrators shall be at points uniformly spaced and not further

apart than twice the radius over which the vibration is visibly affected.

9. The vibration shall be applied directly or through the reinforcement sections of layers of concrete which have hardened to a degree that the concrete ceases to be plastic under vibration.

10. It shall not be used to make concrete flow in the form over distances so

great as to cause segregation and vibration shall not be used to transport concrete.

E.14 STORAGE OF MATERIALS




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Portland Cement

1. Cement delivered in bags shall be stored immediately upon receipt at the work site in a weather proof structure which shall be air tight as practicable with suitable wooden floors which shall be elevated above the ground at a distance sufficient enough to prevent the absorption of moisture.

2. Bags shall have a guaranteed constant cement content and shall be provided with proper labels showing the number of consignment and date of site delivery. 3. The bag shall be stacked close together to reduce circulation of air but should not be stacked outside walls but in such a way that they will be easily accessible for inspection and testing and shall be used in the order of their delivery. 4. Bags shall not be stored to a height two (2) meters. All cements must be free from lumps or evident for deterioration.

5.The site shall be kept perfectly dry. Bag cement shall be transported closed and effectively protected from weather by adequate coverings. Bulk cement shall be transported in a closed container.

Aggregates

1.All aggregates shall be stored in bunkers provided with proper floors or tightly laid woods planes sheet metals, or other hard and clean surface. Fine ant coarse aggregates of different sizes shall be stored in separate bunkers or piles in such a manner as to prevent aggregation, inclusion and contamination by dirt and other injurious foreign materials.

2.Stockpiles of coarse aggregate shall be built in horizontal layers not exceeding 1.20 meters in depth to minimize segregation. Should the coarse aggregate become segregated, it should be re-mixed to conform to the grading requirements given herein before.

F. CONCRETE MASONRY

F.1 SCOPE

The work covered shall include the following:

1. Furnishing of all necessary materials, tools, equipment, labor, and

appliances necessary to complete the execution of the concrete masonry work as shown on the drawings and herein specified.




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2. Arranging for adequate bracing, forming and shoring required in conjunction with and in the course of constructing the concrete masonry although not provided for under other sections.

3. Furnishing of all reinforcing steel for concrete masonry work and their

placement including those not provided for under other sections but necessary for proper prosecution of the work.

4. Arranging for the necessary storage space and protection for materials at the job site.

5. Arranging for furnishing test specimens and samples of materials as may be required.

F.2 MATERIAL REQUIREMENTS The following materials to be used under this section of the specifications shall conform with the concrete masonry standards as indicated.

1. Cement to conform with ASTM C-150. 2. Sand or fine aggregate shall be clear, sharp and well graded and free from

injurious amount of dust, lumps, shale, alkali, surface coatings and organic matter.

3. Solid load bearing masonry units shall be Class A units conforming with ASTM C-145. All load bearing masonry units shall have a minimum compressive strength of not less than 5.5Mpa (800 psi) based on 5 individual units when tested in accordance with the methods set forth in ASTM C-140-70 or as tested by the Bureau of Research and Standard, DPWH.

4. Masonry units shall have been cured for nor less than 14 days if steam-cured, or 28 days if air-cured when placed in the structure.

F.3 CONCRETE HOLLOW BLOCKS

1. The load bearing of hollow blocks shall have a minimum compressive strength of 6.89 Mpa (1000psi) computed from the average of five (5) units based on the average gross area, and a minimum of 5.41 Mpa (800 psi) for the individual unit respectively, all based on gross area.

2. Non-load bearing with cells filled with mortar. Use 400 psi rated CHB.

Visual Inspection

All units shall be sound and free from cracks or other defects that would interfere with the proper placing of the unit or impair the strength or permanence of the construction.

Testing




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Units shall be tested in accordance with the standard method of testing

Masonry units of the American Society of Testing Materials ASTM designation C-140 and or by the Bureau of Materials and Quality Control, DPWH.

Reinforcement

Reinforcement shall be done in accordance with the structural plans as to

size, spacing and other requirements.

F.4 REINFORCING STEEL

1. The minimum requirements for deformed steel bars shall conform to ASTM A-305.

2. Wire reinforcement shall also conform with ASTM A-82.

3. Reinforcement shall be clean and free from loose, rust, scales and any

coatings that will reduce bond.

F.5 WORKMANSHIP a. Laying– Set concrete blocks in full mortar, plumb and true to given

dimension with blocks always set to bond and breaking joints. Flush vertical joints full of mortar fill and cells of units with reinforcing bars.

b. Lintels – Provide concrete lintel over all new openings in masonry unit

walls and partitions. Lintels shall of the size and reinforce adequately as indicated. All exposed columns/beams, CHB walls, and other masonry works must be plastered cement finish before final finishes will be applied. Unless otherwise indicated on the plan, all interior and exterior walls, beams, columns shall be plain cement plastered finish.

c. Cleaning– At the completion of work, remove all excess loose mortar on

masonry surfaces and mortar spilled on floor slabs. Wash affected areas until clean.

Masonry Unit

1. Masonry unit shall be sound, dry, clean and free from cracks when place in the structure.

2. All masonry units shall be stored on the job and kept off the ground and protect from the elements of weather.

3. Wetting the units shall not be permitted, except when hot dry weather exists

causing the units to be warm to the touch, and then the surface only may be wetted with a light fog spray.




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4. Proper Masonry units shall be used to provide for all window, door, bond beams, lintels, plasters etc., with the minimum of unit cutting.

5. When masonry units cutting is necessary, all cuts shall be neat and true to

line. 6. Mixing of mortar and grout mortar shall be mixed by placing ½ of the water

and sand in the operating mixer, then added the cement lime and the remainder of the sand and water.

7. Mortar should be re-tampered with water as required to maintain plasticity.

Re-tampering on mortar boards shall be done only by adding water within a basin formed with mortar and the mortar reworked into the water.

8. Any mortar which is unused after 1-1/2 hour from the initial mixing time shall

not be used. 9. After all ingredients are in the batch mixer, they shall be mechanically mixed

for not less than 3 minutes. Hand mixing shall not be employed unless specifically approved.

Bonding Concrete masonry units shall be laid with the thicker edge of the core up to provide a wider a mortar bed.

1. Both face core and ends of all blocks should receive a full bed of mortar. 2. Crosse web should be mortared. 3. For bonding masonry to the foundation, the top surface of the concrete

foundation shall be clean with laitance removed and aggregate exposed before masonry construction to be started.

4. Where no bond pattern is shown, the wall shall be laid up in straight, uniform coarse with regular running bond.

5. Intersecting masonry walls and partitions shall be bounded by the use of steel ties at 60 centimeters on.

Reinforcement When the foundation dowel does not line-up with a vertical core, it shall not be slope more than one horizontal in six vertical .

1. Dowel shall be grouted into a core in vertical alignment, even though it is an adjacent cell to the vertical wall.

2. Reinforcing bars shall be straight except for bends around corners and where bends are hooks are detailed on the plans.

3. Reinforcing steel shall be lapped 30 bar diameters minimum where spliced bars shall be separated by one bar diameters or wired together.

4. Vertical bars shall be held in position at the top and bottom and at interval not exceeding 192 diameter of the reinforcements.




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5. Horizontal reinforcing bars shall be laid on the webs of the units to continuous masonry course, consisting of bond-beam or channel units, and shall be solidly grouted in place.

6. Vertical reinforcing steel shall have a minimum clearance of 6mm from the masonry, and not less than one bar diameter between bars.

7. Wire reinforcement shall be completely embedded in mortar or grout. Joints with wire reinforcement shall be at least twice the thickness of the wire.

8. Wire reinforcement shall be lapped at least 16 cm at slices and shall contain at least one cross wire of each piece of reinforcement in the lapped distance.

Grouting

Reinforcing steel shall be secured in place and inspected before grouting starts. 1. Mortar dropping should be kept out of the grout space. 2. All grout shall be puddled or vibrated in place. 3. Vertical cells to be filled with grout shall have vertical alignment to maintain

a continuous unobstructed core place. 4. Cell containing reinforcement shall be solidly filled with grout and pours shall

be stopped 3.8 centimeters below the top of a coarse to form a key at pour joints.

5. Grouting of beams over the openings shall done in continuous operation. 6. The top of unfilled cell columns under a horizontal masonry beam shall be

covered with metal latch or special unit s used to confine the front fill to the beam section.

7. All bolts, anchors or insects in the wall shall be solidly grouted in place. 8. Spaces around metal door frame and other built-in items shall be filled

solidly with grout of mortar.

F.6 REINFORCING STEEL

SCOPE:

The Contractor shall furnish and place all reinforcing materials as indicated on the drawings, together with all the necessary ties, chairs, spacers, supports and other devices necessary to install and secure the reinforcement properly.

Reinforcing bars shall be fixed one to the other by means of adequate steel wire ties to form rigid reinforcement cages or nets. The reinforcements shall be fixed in the form by approved concrete distance blocks, space bars, links and stirrups, and all to be provided at the contractor’s expense. Reinforcing bars shall be space according to the approved working drawings and the distance between bars shall not be no less than those recommended in ACI-318. All reinforcing steel bars shall be new and free from rust, oil, defects, greases or kinks. They shall conform to the latest edition of ASTM A615 SPECIFICATIONS for deformed billet steel bars.




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For Bars < 16MM fy = 227.50 MPa For bars >= 16MM fy = 275.80 MPa

Placing: The minimum center to center distance between parallel bars

shall be two and a half (2 – ½) times the diameter of round bars. Where reinforcements in beams or girders is placed in two or more layers, the clear distance between layers shall not be less than 1 inch, and the bars in the upper layers shall be placed directly above those in the bottom layer.

Splices: In slabs, beams and girders, splices of reinforcement at points of

maximum stress shall be avoided where ever possible. Such splices where used shall be welded, lapped or otherwise fully developed, but in any case, shall transfer the entire stress from bar without exceeding the allowable bond and shear stresses. The minimum overlap for a lapped splice shall be 24 bar diameter, but not less than 12 inches for bars.

Details of reinforcing steel, including bending and splicing shall conform with

ACI 315 and 318.

Steel Bars

1. Reinforcing steel bars shall conform to ASTM Specifications A-615. All mild

steel for columns, shear wall, footings and footing beams shall be high grade deformed bars. Fy = 413.7 Mpa

2. For 10mm bars use intermediate grade deformed bars Fy= 275.8 Mpa 3. If reinforcing bars are to be welded, these specifications shall be

supplemented by requirements assuring satisfaction weldability. 4. Bar and rod mats for concrete reinforcement shall conform to ASTM

Specifications A-184 and Wires for concrete reinfo0rcement shall conform to ASTM A-82 Specifications

5. Welded wire fabric for concrete reinforcement shall conform to AS TM A-

185 except that the weld shear strength requirement shall be extended to include a wire size differential up to and including six gauges.

6. Wire and strand shall conform to ASTM A-416. Structural steel shall

conform to ASTMA-26 and steel pipe for composite column to ASTM Specification A-377.

7. Provide bar supports and other accessories necessary to hold the

reinforcing bars in the proper positions while concrete is being placed. Bar supports which come in contact with forms for concrete exposed to view in the finished structure shall be galvanized or stainless subject to approval.

F.7 SHOP DRAWINGS




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Each reinforcement steel detail and placement drawings shall be submitted for approval. Any material fabricated before the final approval of the shop drawings will be done at the contractors risk, but no material shall be installed until final approval of the shop drawings. All shop drawings shall be in accordance with the Manual Standard Practice for Detailing Reinforced Concrete Structure ACT-315. F.8 PLACING OF REINFORCEMENT

All reinforcement shall be placed according to approved drawings. The contractor shall provide sufficient bar support, ties, anchors and other accessories to hold all bars securely in place.

Unless detailed on drawings, all stirrups shall be held in place by spacers. Reinforcing steel shall be cleaned of oil, grease, scale, rust or other coatings which will impair bond.

F.9 STORAGE OF MATERIALS

Reinforcing steel bars shall be stored on supports above the ground level properly covered with roof or plastic materials for protection from different effect of moisture and the considerable delay in use.

G. STRUCTURAL STEEL

G.1 SCOPE:

The scope of work under this section consists of furnishing of all materials, labor, tools, equipment and performance of all operations relative to the fabrication, delivery to site, erection and painting of structural steel trusses and purlins as shown on the Plans.

G.2 DESIGN CONDITIONS

1. All structural steel work shall be in accordance with AISC Specification for the Design, Fabrication and Erection of Structural steel for buildings.

2. Materials and parts necessary to complete each item through such work

which is not shown o specified shall be included, such as miscellaneous bolts, anchor, supports braces and connections etc.

3. Shop drawings as well as erection drawings shall be prepared and submitted by the Contractor to the PNPES for approval before any fabrication is made.




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STRUCTURAL STEEL:

C.1) All structural steel, both angles and steel plates shall conform to ASTM A36 ---------------------------- fy = 248 MPa (36,000psi)

C.2) Welding electrodes shall be E70XX series C.3) Machine bolts and anchor bolts shall conform to ASTM A-325 C.4) For all welding, only certified welder with proper identification shall be

allowed. C.5) All structural members must be protected against corrosion and fire

with a minimum rating of 2 hours intensive fire. C.6) Built-up I-section may be used in lieu of Hot Rolled Section provided

the specified properties are met. C.7) Radiographic testing of weld at random is required for possible gas

entrapment and other welding defects.

A.) Standard construction procedures as per “ National Building Code” and “

National Structural Code for Buildings” should be strictly in the execution of

the project.

B.) It shall be the duty and responsibility of the of the contractor to provide sheet

piles, precautionary measures to ensure safety of adjacent properties and

occupants.

G.3 MATERIALS

1. All structural steel shapes and plates shall conform to ASTM A-36. (Refer to schedule of wide flange on structural plan)

2. Light-Gauge Cold-formed Structural Steel shall conform to pertinent

specifications of the American Iron and Steel Institute (AISI).

3. Machine Bolts – shall conform to ASTM A-307. Each bolt shall be provided with standard nuts and washers.

4. Anchor Bolts – shall conform to ASTM A-141.

5. Cross Bracing with Turnbuckles shall conform to ASTM A-307.

6. Welding Electrodes – shall conform to AWS A-5.1 or A-5.5; E 70

Electrodes. 7. Steel Deck - Use Rib Type 0.80mm thickness with steel grade in

accordance to ASTM A611 and ASTM A653. Material Profile sample to submit for approval.

G.4 WELDING

1. Surfaces to be welded shall be free from loose side, rust, grease, paint and

other foreign materials that will impair the soundness of the weld.




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2. Note shall be made on the Plans and on the shop drawings of those joints or groups of joints in which it is especially important for the welding sequence and technique of welding to be controlled carefully, to minimize welding under restraints and to avoid undue distortion.

3. Weld length called on the Plans and on the shop drawings shall be the net effective length.

G.5 QUALITY CONTROL PROCEDURE

Fabricator’s quality control procedures, materials and workmanship shall be subject to inspection by PNPES.

G.6 SHOP PAINTING

1. Steel works to be encased in concrete shall not be painted. All other steel works shall be given one coat of shop paint of red lead primer, applied thoroughly and evenly to dry surfaces, which have been cleaned, by brush, spray roller coating, floor coating or dipping at the selection of the fabricator.

2. Steel work prior to painting and after inspection and approval shall be

cleaned of loose mill scale, loose rust, weld slag or flux deposit, dirt and other foreign materials.

H. CARPENTRY AND JOINERY WORKS

H.1 SCOPE:

The work to be done under this Item consist of furnishing all required materials, fabricated woodwork, tools, equipment and labor and performing all operations necessary for the satisfactory completion of all carpentry and joinery works in strict accord with applicable drawings, details and these Specifications. Use light metal stud framings, and ½” gypsum board for dry wall interior partitions. H.2 MATERIALS

H.1.2 Metal Frames: Use Light gauge domestic type steel framing. Wall Angle shall be GA 24 25mm (1”) x 25mm (1”) in size Accessories use standard accessories as approved by manufacturer H.2.2 Accessories & Hardware Fastener:

Use fiber cement board screw 7mm x 20mm.




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Use fiber cement board putty jointing compound.

A. Quality of lumber – shall be of the selected grade available of their respective kinds, required for the various parts of the work, well-seasoned, thoroughly dry and free from loose or unsound knots, caps, shakes or other imperfections impairing its strength, durability or appearance. All exposed surfaces shall be smooth.

B. Plywood – Locally manufacture and hot pressed. Shall be used

whenever such indicated in the plan or as noted in the schedule:

C. Protection and storage – Lumber shall be protected from dampness during and after deliver at the site. Lumber shall be delivered to the site at least 30 days before use, immediately piled in stock in such a manner as to provide air circulation around all surfaces of each piece to insure thorough air seasoning. Stocks shall be covered with wall ventilated sheds and enough protection from driving rain.

E. Fasteners

1. Nails – smooth shank, zinc coated, common wire nails of local manufacture. 2. Screw – brass or cadmium plated, must be the best available commercial

quality. Rough Carpentry:

a. All works shall be well fitted, accurately set and rigidly secured in place.

Anchors and bolts (with nuts and washers), straps and hangers shall be provided as required. Anchors and straps shall be punched where required.

b. Cutting and fitting to accommodate other work shall be done as required and in good workmanship. Any cut or damaged shall be patched and made good.

c. Framing and structural lumber shall be well seasoned, straight, square

edge, free from loose or unsound knots, bark edges or other defects that will impair its strength.

The work to be done under this Item consist of furnishing all required materials, fabricated woodwork, tools, equipment and labor and performing all operations necessary for the satisfactory completion of all carpentry and joinery works in strict accord with applicable drawings, details and these Specifications.

H.3 CONSTRUCTION REQUIREMENTS A. Quality of Materials All materials to be incorporated in the carpentry and joinery works shall be of approved quality as specified. B. Shop Drawings




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Complete Shop Drawings with essential dimension and details of construction, as may be required in connection with carpentry and joinery work, shall be submitted for approval before proceeding with the work.

I. HARDWARE

PART I - GENERAL A. Rough Hardware 1.1 SCOPE This Item shall consist of furnishing and installing all building hardware required to ensure rigidity of joints or connections of the different parts of the structure and equipment in a satisfactory operating condition parts of the structure such as doors, windows, cabinets, lockers, drawers and other similar operating parts as indicated on the plans and in accordance with this Specifications. General Conditions

1. The contractor shall provide all rough hardware required for the completion of the work, including nails, spikes, bolts, log, screws, etc and shall provide and fit in place all finishing hardware hereinafter specified- put on in the most improved manner with screws to match the finish.

2. The contractor shall provide and fit in place all hardware not herein

mentioned but necessary to leave the work complete. All such hardware should there be any, shall conform in every respect to the balance of the hardware herein specified.

3. Finishing hardware suitable to the service required to fully equip in the most

satisfactory operative condition, for all doors, windows transom sashes, screen doors and windows, closet, built in cabinets counters, drawers, lockers and other operating members through out the project shall be furnished and installed or fitted by the contractor.

1.2 MATERIAL REQUIREMENTS

All rough hardware such as nails, screws, lag screws, bolts and other related fasteners required for carpentry work shall be first class quality and locally available. B. Finishing Hardware 1.1 SCOPE

a. The work includes furnishing and delivering to the jobsite, or as otherwise directed, complete finish hardware to fully equip the building in accordance with the drawings and intent as hereinafter specified. Work of this section includes furnishing all materials, equipment, services, templates, schedules and all items required; or




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necessary for, or incidental to, the furnishing and description as required by the drawings, specifications, schedules and actual site conditions for all doors.

b. Finish hardware includes items listed below and any other items required to make a complete job in every respect.

Butt Hinges Concealed Hinges Locks, Latches, Deadlocks Closers Flush Bolts and Foot Bolts Doorstops

c. Verify drawings details and schedule for location, extent of work, and other requirements. 1.2 SUBMITTALS

a. General

Submit all information necessary for the work of the PNPES.

b. Samples

1) A sample of each item of hardware for approval. 2) A sample of each required finish for approval. Prepare samples of the

base metal alloy required for the final hardware units, formed by the same process required for the hardware. Submit either actual units of hardware as required, or metal coupons not less than 12" x 12" (300 x 300 mm) in size.

c. Detailed drawings and/or shop drawings.

d. Manufacturer’s Data

Provide catalog cuts for every item furnished, showing all finishes, sizes, catalog numbers and pictures, with all abbreviations fully explained.

e. Templates

Furnish hardware templates to each fabricator of doors, frames, and other work to be factory prepared for the installation of hardware. Check the shop drawings of such other work, to confirm that adequate provisions will be made for the proper installation of hardware.

f. Installation Manuals g. Operation and Maintenance Data




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Provide PNPES with manufacturer's part lists and maintenance instructions for each type of hardware supplied and necessary wrenches and tools required for proper maintenance of hardware.

1.3 GENERAL REQUIREMENTS

a. All hardware shall be of the best grade, entirely free from imperfections in manufacturing and finish.

b. All materials shall be procured from a source of supply as competent to

correctly evaluate the plans, details and specifications and be prepared at all times to promptly and satisfactorily service the hardware on the job. This supplier must be an established contractor for builder's hardware who meets all the above requirements.

c. Exit doors and doors leading to exits, stair halls, fire label doors, etc. shall be

provided with hardware in full compliance with applicable codes. 1.4 PACKAGING AND MARKING

a. Individually pack each item of finish hardware and deliver in the manufacturer's original container. Clearly mark each package or box with the manufacturer's name, catalog number and all other markings required for easy identification of the hardware.

b. Furnish a packing list to clearly identify the quantity and type of hardware in

every box numbered in accordance with this list. C Provide all hardware the required screws, bolts and fastenings necessary

for installation packed in the same package with the hardware. Label all packages legibly and adequately indicating the part of the work for which it is intended

.

1.5 STORAGE AND PROTECTION

Store hardware in a dry and locked place. Protect the hardware from damage at all times, both prior to and after its installation.

After the hardware has been properly fitted, all exposed items such as knobs, escutcheons, plates, locks, etc. shall be removed until final coat of painter’s finish has been applied and then hardware installed. All hardware, unless to be painted over, that are not to be removed before painting shall be properly masked until final coat of painter’s finish has been applied after which such masks shall be removed.




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PART II : PRODUCTS 2.1 MATERIALS

2.1.1 Butt Hinges a) Butt hinges shall conform to ANSI A156.1 standards.

b) Full mortise hinges with button tip loose pin shall be used for interior wood

doors and full mortise hinges with non removable pin shall be used for exterior wood doors opening out, unless otherwise specified (Yale or approved equivalent).

c) Metal doors and doors installed with closers shall use ball bearing, full

mortise hinges, unless otherwise specified (Yale or approved equivalent).

d) The following shall be adhered to in determining the number and sizes of butt hinges for flush doors, unless otherwise specified. Door Height No. of Hinges No. of Hinges Hinge size (for Flush Door) (Solid Panel Door)

Doors 1.5M high and under 2 Hinges 3 Hinges 3-1/2”

Doors over 1.5 high and over 2.10M high 3 Hinges 4 Hinges 4”

e) Finish and Material

1. Exterior out-swinging doors shall use heavy-duty weight, brass or bronze base metal.

2. Exterior in-swinging doors shall use heavy-duty weight, steel base metal.

3. All interior doors shall use standard duty weight steel base metal. 4. Hinges on doors to receive paint shall be bonderized and prime

coated for painting. 2.1.2 Concealed Hinges

a) None. 2.1.3 Locks

a) Cylindrical Locks 1. All wood and metal doors shall be equipped with high grade standard duty

or heavy duty cylindrical type locksets, unless otherwise specified 2. Mechanism shall be of heavy gauge, cold-rolled steel contained in a

sturdy cylindrical housing, with all parts zinc-plated and dichromate for




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maximum resistance against rust and corrosion. Exposed parts shall be brass heavy plated.

2.1.4 Closers

a) All door closers shall conform to ANSI A l56.4 Standards.

b) The following table shall serve as guide in determining door closer sizes:

Maximum Door Width Closer Size 0.76 m 2 0.90 m 3 1.00 m 4 1.10 m 5 1.20 m 6

Use larger size where unusual conditions exist.

c) Regardless of mounting method, closers shall be capable of opening 180". d) Unless otherwise specified, concealed closers shall be used e) Surface mounted closers, when used, shall always be mounted on the room

side or generally on the less important side of doors. Use parallel arm closer if necessary (Yale or approved equivalent).

f) Closers shall have spring power adjustment of plus 50% and an additional

plus 15% at the shoe on standard and top jamb applications. g) Closers shall have tamper proof regulation screws adjustable only with a hex

wrench. Closers shall have separate adjustments for sweep speed, latch speed and back check selector valve to permit checking action prior to 90° regardless of type of mounting.

2.1.5 Flush Bolts and Foot Bolts

a) Hinged double wood doors, except bar doors and double acting doors, shall be fitted at top and bottom with extension flush bolts with 24" (600 mm) rod, dull brass finish, only on the astragal side (inactive door). Use heavy duty bolts need sample for approval.

b) For high doors, attach the top flush bolt or sufficient distance from the door

header to allow the flush plate to be within easy reach. c) For bottom flush bolt or foot bolt, use dust proof strikes. Use heavy duty bolts

need sample for approval. 2.1.6 Miscellaneous Hardware




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a) All doors that are not equipped with door closers and when opening will

strike an object shall be provided with door stopper. 2.1.7 Sliding Door Hardware

a) None 2.1.8 Drawer Runners

a) None.

PART III - EXECUTION

3.0.1 INSTALLATION

The Contractor shall submit to the PNPES for approval, prior to delivery of builder’s hardware to the site, a complete listing of all items and a sample for each of the hardware proposed to be furnished for identification of each item of hardware for each point of installation.

a. The general Contractor shall advise the hardware supplier of all completion data for hardware installation in order that sufficient time can be allowed for manufacturing and delivery to the jobsite.

b. Install hardware in accordance with manufacturer's recommendation, using

proper templates. c. Installation shall be performed by mechanics skilled in this kind of work and

experienced with the specified products. d. Use only proper tools in good condition, special tools when necessary, to

prevent damage to finish, abuse of hardware, screws, doors and frames. e. Concerning hardware for doors or frames not pre-drilled in factory carefully

and accurately lay out hardware according to templates and shop drawings. Make all attachments level, plumb, and clean using holes accurately drilled and tapped in field.

f. Whenever possible, do not install trim until doors have been finish painted.

After painting and finish of woodwork has been completed, install the finish hardware permanently.

g .Maintain following mounting heights:

Hinges

Top - 125 mm from head of

frame to top of hinge




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Bottom - 250 mm from finished

floor to bottom of hinge

Intermediate - centered between top & bottom hinges

Locks - 1000 mm from finished

floor to centerline of knob

Deadlock - 1500 mm from finished floor to centerline of strike

These locations are intended to be followed when no reason is apparent for others.

h. At the completion of the job, it shall be the responsibility of the Contractor to turn over to the PNPES a complete set of installation instructions - special wrenches or tools - extra screws and attachments, as would be packaged by the manufacturer for the benefit of the installer.

All finishing hardware consisting of locksets, latches, bolts and other devices, door closers, knobs, handles, hinges, and other similar hardware shall be first class quality available locally and conforming with the Specifications.

First class quality concealed hinges shall be provided in all built in cabinets.

All other finishing hardware’s, such as cabinet, door hinges, bolts, hanger rods, and other accessories necessary to complete the installation shall be provided. Door locks appropriate for particular functions shall be of durable construction, preferably the product of reputable manufacturer for consistent quality and master keying.

Note: All hardware to be to be purchased by the Contractor shall be submitted to the PNPES for

approval before delivery.

J. ARCHITECTURAL FLOOR & WALL FINISHES

J.1 ARCHITECTURAL FLOOR FINISHES

PART I - GENERAL 1.1 SCOPE

This section includes all labor, materials, equipment and the performance of all operations necessary for the completion of all Architectural floor finishes indicated on drawings and this specifications.




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1.2 SUBMITTALS

1.2.1 SAMPLES: Submit samples of materials to PNPES for approval. Match these samples with the delivered materials prior to use. 1.3 PRODUCT HANDLING

1.3.1 DELIVERY AND STORAGE OF MATERIALS: Manufactured materials

shall be delivered in original unbroken packages, containers or bundles bearing the name of the manufacturer’s brand.

Cement and lime shall be stored off the ground under watertight cover and away from leaking walls and damp surfaces until ready for use. Damage or deteriorated materials shall be removed from the premises.

PART II - PRODUCTS 2.1 MATERIALS

2.1.1 PORTLAND CEMENT: Shall conform with ASTM C 150, Type I or PNS 07 of an approved brand.

2.1.2 SAND: Shall be natural and shall be retained between No.50 and No. 100

sieves.

PLAIN CEMENT FINISHED: These shall consist of a (1:3) mix-one part of Portland cement to three parts of sand mixed with sufficient water to give a suitable plasticity for laying. Generally the paving shall be laid immediately following the concrete sub-base. If laid on a matured concrete sub-base the same precautions should be taken as described for granolithic paving above. Cement and sand paving intended as a wearing surface shall be troweled twice with a mechanical steel trowel to produce a smooth finish. In addition two coats of sodium silicate solution shall be brushed on.

J.2 ARCHITECTURAL WALL FINISHES


This section includes all labor, materials, equipment and the performance of all operations necessary for the completion of all Architectural wall finishes indicated on drawings and this specifications. 1.2 SUBMITTALS




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1.2.1 SAMPLES: Submit samples of materials to PNPES for approval. Match these samples with the delivered materials prior to use. 1.3 PRODUCT HANDLING

1.3.1 DELIVERY AND STORAGE OF MATERIALS: Manufactured materials

shall be delivered in original unbroken packages, containers or bundles bearing the name of the manufacturer’s brand.

Cement and lime shall be stored off the ground under watertight cover and away from leaking walls and damp surfaces until ready for use.

Damage or deteriorated materials shall be removed from the premises.

PART II – PRODUCTS

2.1 MATERIALS

2.1.1 PORTLAND CEMENT: Shall conform with ASTM C 150, Type I or PNS 07 of an approved brand.

2.1.2 SAND: Shall be natural and shall be retained between No.50 and No. 100

sieves.

PLAIN CEMENT FINISHED These shall consist of a (1:3) mix-one part of Portland cement to three parts of sand mixed with sufficient water to give a suitable plasticity for laying.

The tiles shall be immersed in water for an hours or until saturation tightly together to drain with end tiles turned. Key layer cement and sand (1:2) then scratched screed (1:4 mix) should be applied preceding to tiles installation.

Tiling shall be carried out to the levels indicated on the drawings in a first class workmanship. The render coat shall be wetted sufficiently to prevent it absorbing water from the bedding coats. Joints shall be continuous both horizontally and vertically.

Tiles shall be fixed to a finished surface that is plumb and true to +/- 2mm in any 2 m. Tiles shall be neatly cut and fitted around pipes and other obstructions. Tiles shall be grouted up to not less than 24 hours after fixing tiles to porous surfaces and not less than 3 days after fixing to impervious surfaces.

Tiles shall be cleaned off and polished upon completion. 2.1.5 Dry wall Partitions: Use light gauge metal framing system.




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Floor & Ceiling runners shall be GA 24 100 mm x 41mm in size Vertical Studs shall be GA 24 100mm x 41mm in size Fiber Cement Board: Accessories use standard accessories as

approved by manufacturer

K. ARCHITECTURAL CEILING FINISHES


This section includes all materials, labor, equipment and the performance of all operations necessary for the furnishing and installation of all ceiling finishes including its frames, complete with accessories and fasteners as indicated on drawings and specifications.

1.2 SUBMITTALS

1.2.1 Submit the following in accordance with Conditions of Contract and Specification sections.

1.2.2 Product data for materials, fabrication, and installation including catalog

cuts of anchors, hardware, fastenings and accessories.

PART II – PRODUCTS

2.1 MATERIALS

2.1.1 Fiber Cement Board: Product Descriptions: Length : 2438 mm Width : 1219 mm Thickness : 6 mm Approx. Wt. : 22 Kg

2.1.2 Ceiling Frames: Use Light gauge domestic type steel framing. Ceiling Furring shall be GA 24 19mm (3/4”) x 50mm (2”) in size

Wall Angle shall be GA 24 25mm (1”) x 25mm (1”) in size Furring Channel shall be GA 20 12mm (1/2”) x 38mm (1-1/2”) in size Accessories use standard accessories as approved by manufacturer




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L. DOORS AND WINDOWS

L.2 ALUMINUM DOORS, WINDOWS AND FRAMES


This section includes all labor, equipment and the performance of all operations

necessary to furnish and install all aluminum doors, windows and frames of the project as indicated on drawings and specifications. All related works needed to have this work completed shall also form part of this section. 1.2 SUBMITTALS

1.2.1 SHOP DRAWINGS: Shop drawings shall be submitted for approval. No door or window shall be installed prior to the approval of shop drawings. Shop drawings shall indicate elevations of each door and window type, thickness and gauges of metal, fastenings, method of glazing and other details as requested by the PNPES.

1.2.2 SAMPLES: Samples shall be one full size of each door and window type

complete with hardware and accessories and submitted to the PNPES for approval. No door or window shall be delivered before samples have been approved.

1.3 GENERAL REQUIREMENTS

1.3.1 PROTECTION: Use care in handling materials during transportation and at the job site. Store doors upright on wood platform in a dry location and under cover. Protect from damage during subsequent construction activities after installation.

PART II - PRODUCTS

2.1 MATERIALS

2.1.1 ALUMINUM: Shall be of extruded aluminum. All aluminum sections and castings shall be alloy.

2.1.2 HARDWARE: All aluminum doors shall be fitted with appropriate

hardware’s including keylock (double cylinder deadlock for active door leaf of all entrance units in case of pairs of doors), solid aluminum push and pull bar handle and top and flush bolts.




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3.1 WORKMANSHIP

All joints in the frames shall be accurately milled to hair line crack, securely reinforced, weathered and joined by means of concealed fastenings whenever possible. Door stiles and rails shall be tie-bolted with appropriate bolts, nuts and lock washers. The tie bolts shall be concealed with the head and sill of the door. The doors shall be completely reinforced at the tie bolts with interlocking channel chips. 3.2 INSTALLATION

Door stiles and rails shall be tie-bolted with appropriate bolts, nuts and lock

washers. The tie bolts shall be concealed with the head and sill of the door. The doors shall be completely reinforced at the tie bolts with interlocking channel chips.

All doors shall be set level and plumb without twisting or forcing during installation. All aluminum coming in contact with dissimilar metals and materials shall be protected by the application of asphalt joint. The exterior joints between frames and surrounding masonry are to be jointed with approved sealing compound applied in accordance with Manufacturer’s recommendation.

Install aluminum windows in strict compliance with the manufacturer’s instruction. 3.3 CLEANING

Doors and frames shall be cleaned with soap and water using a stiff fiber brush and rinsed thoroughly with water. When the frames have been discolored, the contractor shall be responsible to return the frames to its original finish in accordance with the Manufacturer’s recommendation at his own expense. L.3 WOODEN DOORS, WINDOWS AND FRAMES


This section includes all labor, materials, equipment and the performance of all operations necessary for the completion of fabrication and installation of all wooden doors and windows if any as indicated on drawings and this specification.




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1.2 SUBMITTALS

1.2.1 SHOP DRAWINGS: Before placing orders and start of fabrication and when called for by the PNPES, the Contractor shall submit to the office for approval, shop drawings of all wooden doors including details of section and hardware’s.

1.2.2 CUTS AND SAMPLES: Furnish for approval, cuts, descriptive material and samples showing each type of door included. Show sizes, thickness, construction, methods of assembly, sticking and all other necessary information. Before delivery of doors to the site, submit a sample section of each type of door. 1.3 GENERAL REQUIREMENTS

1.3.1 STORAGE AND PROTECTION OF DOORS: Protect wood doors and frames against damage and dampness. Store them under cover in a well-ventilated place where they will not be exposed to extreme changes in temperature and humidity. Do not store doors and frames in any place under construction until concrete, masonry work and plaster are dry. Replace units when damaged due to lack of adequate protection or care in installation.

1.3.2 PROVISIONS FOR HARDWARE: Provide lock blocks on hollow core doors which are scheduled or specified to receive floor hinges.

1.3.3 DOOR DESIGNS, SIZES AND THICKNESS: Use door designs, sizes and thickness as indicated or scheduled. Wood doors shall have an overall thickness of 50 mm.

PART II - PRODUCTS 2.1 MATERIALS

Doors and frames shall be manufactured of thoroughly seasoned kiln-dried wood. 2.2 FABRICATION OF DOORS AND FRAMES:

2.2.1 WOOD DOORS: Shall be of the type, sizes and thickness indicated. Top and bottom edges of all interior and exterior shall be given a coat of lead and oil priming paint or a coat of water resistant varnish after cutting and fitting and prior to installation works. Doors shall be panel and/or glazed as indicated. Glass Monitor panel shall be clear, 6.3 mm (1/4”) thick.

2.2.2 FLUSH DOORS: Shall be hollow core of thickness indicated on drawings and fabricated as such that the core and frame assembly shall be bonded to face veneers. Flush doors shall be three (3) ply, 6 mm thick, ordinary, waterproofed or marine kind of plywood as indicated in the schedule. Stiles and rails shall have




38

mortised joints at corners. The core shall be a grid pattern of horizontal and vertical interlocking wood strips and reinforced with wood block inserts for lock sets and other hardware as necessary. Doors shall be painted, varnished or with designs as indicated on drawings.

2.2.3 WOOD DOOR FRAMES/JAMBS: Shall be of the design, sizes and

thickness indicated in the Schedule of Doors. Jambs/Frames shall be set to plumb and true and braced to prevent distortion. Frames in wooden walls or partitions shall be secured with finishing nails or as indicated. In concrete or masonry walls, frames shall be secured by anchor bolts or as shown on drawings.

2.2.4 LOCATION: (See Door Schedule)

PART III - EXECUTION 3.1 CONSTRUCTION REQUIREMENTS

Construct all doors and frames to sizes shown and indicated on drawings. Glue all door frames, cores and plywood veneers together and hot-press into a one-piece panel. Glue edge strips around edges of doors. Hold doors in retainers until the glue has set, then re-dry to remove all moisture contained in the glue. Drum -sand and belt-sand the assembled door into a smooth finish ready for varnish or paint. Cut in uniform finish all louver blades and fasten to the frames in an approved manner. 3.2 INSTALLATION

For door frames, set frames plumb and square, double-wedges and fastened with finishing nails. Provide solid blocking behind jambs at butts and lock strikes. Space blocking not more than 400mm on centers. For doors, fit, hang and trim as indicated and specified. Provide 1.60 mm clearance at sides and top, and 5 mm over thresholds. Provide 10 mm clearance at bottoms where no thresholds occur. Apply hardware with fastenings of the size, quality, quantity and finish as specified.


3.1 WORKMANSHIP

All joints in the frames shall be accurately milled to hair line crack, securely reinforced, weathered and joined by means of concealed fastenings whenever possible. Door stiles and rails shall be tie-bolted with appropriate bolts, nuts and lock washers. The tie bolts shall be concealed with the head and sill of the door. The doors shall be completely reinforced at the tie bolts with interlocking channel chips. 3.2 INSTALLATION

Door stiles and rails shall be tie-bolted with appropriate bolts, nuts and lock

washers. The tie bolts shall be concealed with the head and sill of the door. The doors shall be completely reinforced at the tie bolts with interlocking channel chips.




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All doors shall be set level and plumb without twisting or forcing during installation. The exterior joints between frames and surrounding masonry are to be jointed with approved sealing compound applied in accordance with Manufacturer’s recommendation. 3.3 CLEANING

Doors, windows and frames shall be cleaned with soap and water using a stiff fiber brush and rinsed thoroughly with water. When the frames have been discolored, the contractor shall be responsible to return the frames to its original finish in accordance with the Manufacturer’s recommendation at his own expense.

M. GLASS AND GLAZING

PART I – GENERAL

1.1 SCOPE This section includes all labor, materials, equipment and the performance of all operations necessary to furnish and install all glass and glazing work in accordance with the drawings and this specification.

1.2 SUBMITTALS

1.2.1 SAMPLES: Submit samples for PNPES for approval of all glass types specified herein.

1.3 QUALIFICATIONS

1.3.1 MANUFACTURERS: It is the intent of this specifications that the products of the specific manufacturer’s listed herein, represent quality standard and performance standards desired. Other manufacturers offering products equivalent to those specified will be acceptable, subject for approval.

1.4 DELIVERY, PROTECTION AND STORAGE

All glass shall be carefully packed for transportation, exercising reasonable precaution to insure avoidance of damage during transit. Use care in unloading, unpacking and storage on arrival at job site to avoid damage.

Deliver all glazing accessory materials in manufacturer’s original unopened containers, clearly marked as to their contents.

Store all materials at the job site, in a manner assuring its safety from all forms of damage. Screen from paint, plaster, welding splatter, construction scum and the




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like. Protect glass from soiling, condensation, etching, etc. Follow manufacturer’s instructions rigidly.

PART II - PRODUCTS

2.1 MATERIALS

2.1.1 GLASS:

a. Glass Standards and Requirements: Glass materials shall conform with ASTM C1036 for float glass and ASTM C1048 for heat-strengthened and tempered glass, as applicable. Types and thicknesses of glass shall be indicated.

b. Clear Float Glass: ASTM C1036, Type I, Class 1, Quality 3, flat smooth and glossy surfaces for architectural glazing.

c. Tinted Float Glass: ASTM C1036, Type I, Class 1, Quality 3, tint color indicated, with flat smooth and glossy surfaces for architectural glazing.

d. Wired Glass: ASTM C1036, Mesh m1-diamond or m2 Square as indicated. Glass for fire-rated doors shall conform with applicable requirements of fire code.

e. Clear Tempered Glass: ASTM C1048, f. Tinted Tempered Glass: ASTM C1048, tint color indicated g. Mirrors: Silvering quality float glass 6 mm thickness, recommended

for high humidity usage. Double silvered protected by a coat of electro-deposited copper. Furnish with edges polished, in one piece unless otherwise specified.

2.1.2 GLAZING MATERIALS:

a. Provide glazing accessories for specific applications of type recommended

by glass manufacturers and glass fabricator and as required for complete, functional, weather tight installation.

2.1.3 GLAZING COMPOUND:

a. Modified oil type, color grey, non-hardening, knife grade for wood and metal frames.

b. SEALANT: Liquid applied, chemically curing type complying with ASTM

C920, compatible with materials and conditions, and capable of anticipated joint movement without watertight seal failure.


3.1 PREPARATION

Examine all surfaces to which glazing will be applied. Start of work means acceptance of conditions. Examine all glass for spalling, hairline cracks and other




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defects, which might impair performance after installation. Clean all glass prior to installation. 3.2 INSTALLATION

a. All glass and glazing shall conform to all applicable codes and governing

authorities including glazing safety standards. b. Center glass in glazing rabbet to maintain specified clearances at perimeter

on all four sides. Maintain centered position of glass in rabbet and provide the required sealer thickness on both sides of glass.

c. Edge preparation of all glass shall conform to manufacturer’s printed standards and the latest standards of the Flat Glass Marketing Association. 3.3 REPLACEMENT AND CLEANING

Upon completion of the work, all glass surfaces shall be thoroughly cleaned on both sides, and all labels, paint spots, compounds and other defacements shall be removed. Cracked, broken and imperfect glass shall be replaced at no additional cost.

N. METAL CEILING FINISHES


This section includes all materials, labor, equipment and the performance of all operations necessary for the furnishing and installation of all Roofing finishes including its Ridge roll, Gutters, Flashings complete with accessories and fasteners as indicated on drawings and specifications.

1.2 SUBMITTALS

1.2.1 Submit the following in accordance with Conditions of Contract and Specification sections.

1.2.2 Product data for materials, fabrication, and installation including catalog

cuts of anchors, hardware, fastenings and accessories.

1.2.3 Submit Ridge, Gutter and Flashing design and profile for approval. 1.3 QUALITY ASSURANCE

1.3.1 FIELD MEASUREMENT: Take field measurements prior to component

fabrication to ensure proper fitting of work.




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O. PLUMBING AND SANITARY WORKS

O.1 SCOPE The work includes new plumbing system and related work. The work also include providing roughing-in and making final plumbing connections to equipment furnished provide each system complete and ready for operation. Plumbing system including fixtures, equipment, materials, installation, and workmanship shall be in accordance with the plumbing Code, except as modified herein. Plumbing system shall include all water and sanitary piping buried and above ground. O.2 MATERIAL REQUIREMENTS All piping materials, fixtures and appliances fitting accessories whether specifically mentioned or not but necessary to complete this Item shall be furnished and installed.

A) Sanitary System – Waste and soil pipes and vent system. Use thick-walled PVC pipes.

B) Cleanouts and Plugs – cleanouts shall be the same material as the pipe except those larger than 150 mm. diameter. Cleanouts shall be in an easily accessible place or where indicated on the plans.

C) Pipe Sleeves – standard steel pipe of sufficient diameter to

provide ¼” minimum clearance around the pipes. Roof or floor sleeves shall be provided with an outside welded flange of not less than 3” around and four-rods welded to sleeves.

D) Unions – 50 mm. and smaller shall be 3000 lbs. forged steel

ground joint threaded connections larger than 50 mm. on water service shall cast iron flange pattern and galvanized with best quality gaskets.

Septic Tank

1. The septic tank shall be provided as shown on the Plans including all pipe

vents and fittings, 2. Various construction materials such as concrete masonry work shall

conform to the corresponding Items of these Specifications.

3. Inlet and outlet pipes shall conform to the latest edition of the National Plumbing Code.

Plumbing Fixtures and Fittings

1. All fittings and trimmings for fixtures shall be chromium plated and polished brass unless otherwise approved.




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2. Exposed traps and supply pipes for fixtures shall be connected to the

roughing-in, piping system at the wall unless otherwise indicated on the Plans.

3. Built in fixtures shall be watertight with provision of water supply and drainage outlet, fitting and trap seal.

a. Water closet/ urinal - Supplied complete with tank fittings, angle

valve/supply and bolt caps with retainer clip. Color is either beige or white. b. Lavatory with rear overflow and cast – 102 mm faucet holes on centers

furnished complete with angle valve/supply pipe, P-trap. Color is either beige or white.

O.3 CONSTRUCTION REQUIREMENT The Contractor before any installation work is started shall carefully examine the Plans and investigate actual structural and finishing work condition affecting all his work.

A. Water Pipes, Fittings and Connections

1. The water supply piping shall be extended to all fixture, outlets, and equipment from the gate valves installed in the branch near the riser.

2. All pipes shall be cut accurately to measurements and shall be worked into

place without springing or forcing.

3. All service pipes, valves and fittings shall be kept at sufficient distance from other work to permit finished covering not less than 12 mm from such work or from finished covering on the different service.

4. All piping above the ground shall run parallel with the lines of the building

unless otherwise indicated on the plans.

5. All pipes to be threaded shall be reamed before threading. All screw joints shall be made with graphite and oil or with an approved graphite compound applied to make thread only.

6. All service pipes, valves, and fittings shall be kept at sufficient distance

from other work to permit finished covering of not less than 12mm from such work or from finished covering on the different service.

B. Installation of Soil, Waste, Drain and Vent Pipes 1. Soil Pipe – All soil and drainage pipes shall be sloped at 2% or 2 cm. per

1.0 meter run but in no case flatter than one (1%) percent.




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2. Horizontal lines shall be supported by well secured heavy strap hangers.

3. Vertical lines shall be secured strongly by hooks to the building frame and a suitable brackets or chairs shall be provided at the floor from which they start.

4. All main vertical soil and waste stacks shall be extended full size to and above the roof line to act as vents, except otherwise indicated on the Plans.

5. Vent Pipes in roof spaces shall be run as close as possible to under side of roof with horizontal piping slope down to stacks without forming traps. Vertical vent pipes may be connected into one main vent riser above the highest vented fixtures.

6. Where an end or circuit vent pipe from any fixtures is connected to a vent line serving other fixtures, the connections shall be at least 120 cm. above the floor on which the fixtures are located.

7. Horizontal waste line receiving the discharge from two or more fixtures shall be provided with end vents unless separate venting of fixtures is noted on the Plan.

8. All changes in directions shall be made by appropriate use of 45 degrees Y; half Y; long sweep; quarter bends or elbows for soil and waste lines where the change in direction of flow is from the horizontal to the vertical and discharges from water closet.

9. Provide threaded bronze or thermoplastic cleanout plugs. Cleanouts at the

bottom of each soil stack, waste stack, interior downspout and where else indicated shall be the same size as the pipe lines.

10. Vent pipes shall be flashed and made water tight at the roof with ferrule lead sheet.

11. Trap – each fixtures and place of equipment requiring connection to the drainage system except fixtures and continuous waste shall be equipped with a trap. Each trap shall be placed as near to the fixture as possible.

12. Fittings shall be radius fittings, except fittings in vent piping may be short radius fittings. Minimum size piping shall be 2 inches.

13. Flush Strainer Floor Drains: Provide with double drainage flange perforated air slotted cast bronze or nickel bronze strainer, adjustable collar, and P-trap. Drains of sizes 2, 3 and 4 inches shall have strainers with minimum free drainage area of 5, 11 and 18 square inch respectively.

14. Shower Floor Drains: Provide as specified for flush strainers floor drains, except finish shall be chromium plated. Inspection, Warranty Test and Disinfection




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All pipes, fittings, traps fixtures, appurtenances and equipment of the plumbing and drainage system shall be inspected and approved by the PNPES to assure compliance with all requirements of applicable Codes and Regulations referred to in this specifications.

P. ELECTRICAL WORKS General The work to be done under this division of the specification consist of the fabrication, furnishing, delivery and installation complete in all details of the electrical works at the subject premises and all work materials incidental to the proper completion of the installation, except those portion of the work which are expressly stated to be done by others. All works shall be done in accordance with the governing codes and regulations, except where same shall conflict with such codes etc., which later shall then govern. The requirements with regard to materials and workmanship specify the required standards for the furnishing of all labor, materials, and appliances specified herein and indicated on the drawings. The specifications are intended to provide a broad outline of the required equipment and are not intended to include all details of design and construction. This does not relieve the CONTRACTOR from complying with the requirements of specification or drawings in excess of above laws and ordinances of above codes and requirements which are not prohibited by the same.

Guarantee

The CONTRACTOR shall guarantee that the electrical system is free from all grounds and defective materials and workmanship for a period of one (1) year from the date of acceptance of the work. All defects arising within the guarantee period shall be remedied by the Electrical Contractor at his own expense.

The Electrical Contractor shall indemnify and save harmless the Owner from and against all claims, suits, actions, or liabilities for damage arising from injuries, disabilities or loss of life to persons or damage to public or private property resulting from fault or any act of contractor or his representative in the execution of the work. The partial acceptance of the work for the purpose of making partial payments, based on the estimated cost satisfactorily completed by the CONTRACTOR, shall not be considered as final acceptance of that portion of work.

Drawings and Specifications

The electrical plans, which constitute an integral part of the specifications, shall serve as the working drawings. The plans indicate the general layout and arrangement of the complete electrical system and other works.

The drawings and specifications are meant specifically to be complementary to each other and where it is called for by one shall be binding as if called for by both. Anything which is basically required to complete the installation of the proper




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operation but not expressly mentioned on the drawings and/ or specification shall be furnished and installed by the CONTRACTOR at no extra cost to the owner as though specifically stipulated shown in both.

The PNPES shall have the final decision on any apparent conflict between the drawings and specifications or on under the controversial point in either or both.

All dimensional and locations shown on the plans are approximate and shall be verified in the field as actual locations, distances and levels are governed by actual conditions. P.1. SCOPE P.1.1 Work Included The work to be done under this Scope shall include the furnishing of all tools, labor, equipment, fixtures and materials. Each complete and in proper working condition unless one or other is specifically excluded or stated otherwise in these specifications but not limited to the following principal item of work:

a. Electric meter, power distribution equipment, panel boards, enclosed circuit breakers, safety switches, supports and accessories.

b. Wiring system for branch circuits, feeder circuits, and service entrance,

including respective conduits, fittings, wire ways, supports and accessories.

c. Wiring connections to equipment, fixtures, wiring devices including

splices/taps as indicated in the drawings.

d. Complete wiring devices (receptacle outlets and light switches).

e. Effective grounding system. Preparation of ‘AS-BUILT’ drawings & shop drawings that may be required shall be made. Supply and installation of all materials not shown in the drawings nor mentioned in these specifications but are necessary to complete the project shall be included.

P.1.2. Workmanship The CONTRACTOR shall execute the work in the most thorough, prompt, and workmanlike manner and in accordance with the plans and specifications. The installation shall be done thru standard method and good engineering practice.




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P.1.3. Materials

All materials to be installed shall be brand new except as otherwise noted in the

plans or specifications. The materials shall be as specified. No substitution of materials shall be allowed. Should the CONTRACTOR find it necessary to use another type/brand of materials instead of the specified item, he shall first obtain approval from the owner prior to the installation. Any

Substituted materials installed without the approval from the PNPES shall be subject to replacement. P.1.4. Deviations from the Plans

No deviations from the plan are to be made. P.1.5. Records Drawings and ‘AS- BUILT’ Plans

The CONTRACTOR is required to keep an active record of the actual installation during the progress of the job. This shall be the reference in the preparation of the ‘AS BUILT’ plans which shall include all pertinent information. Complete in all aspect of the actual information not originally shown in the contract drawings. The ‘AS-BUILT’ plans shall be prepared by the CONTRACTOR at his expense and shall be submitted to the PNPES and the ‘AS-BUILT’ drawings shall be a pre-requisite for the final acceptance of the electrical works. Submit two (2) copies of the ‘AS-BUILT’ signed and dry sealed by the CONTRACTOR’s Registered Professional Electrical Engineer. Original tracing paper shall be submitted to the PNPES. P.1.6. Samples and shops Drawings Thirty (30) days prior to the installation or fabrication of materials the CONTRACTOR shall submit to the Owner the following for approval:

a. Shop drawings of panel boards showing arrangement of circuit breakers, bus bar, sizes, lugs, etc.. Indicate all dimensions.

b. Shop drawings or samples required as noted in the drawings. c. Samples and catalogs of materials intended to be installed:

circuit breakers

manual transfer switch

wiring devices (switches and convenience outlets)

lighting fixtures

conduits & fittings

wires & cables

boxes

other electrical materials

d. Detailed shop drawings for wire gutters, conduits runs, pull boxes, etc..




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e. Complete shop drawings of conduit runs.

The CONTRACTOR shall also submit to the PNPES without delay shop drawings and other submittals which may be required by the PNPES during the progress of the construction.

The above requirements shall be submitted to the PNPES at the earliest

possible time to give allowance for checking and verification. These shall be complete in all aspect.

Submit four (4) sets of each shop drawings.

P.1.7. Test Conduits test on all electrical conductors installed in the presence of the PNPES representative:

a. Check the grounds b. Insulation resistance test c. Continuity test for all outlets d. Voltage level test e. Phase relationship f. Check circuit connection at panel boards, all single phase circuit shall be connected to phase as shown in the load schedule.

All reports must be formal and properly identified.

All defects found during the test shall be repaired immediately by the CONTRACTOR. All tools equipment and instruments needed to conduct test shall be on the account of the CONTRACTOR. P.2. METHODS AND MATERIALS P.2.1. Wiring Method All wiring shall in general shall be installed inside standard conduits. All conduits shall be exposed on concrete hallow blocks and slabs but can be concealed inside drop ceiling and between double wall wood partitions, where all of the concealed/embedded conduits is impractical or impossible, all exposed conduits wiring may be used provided approval from the PNPES have been secured.

P.2.2. Location of Outlets All outlets shall be truly centered in panels and spaces provided thereof.

P.2.3. Grounding System




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a. All metallic conduits, supports, cabinets and equipment shall be properly electrically grounded and or bonded by means of copper straps. The conduits of each system shall be grounded by connecting to the water service pipe/ground rods. Ground wire shall be connected with the ground bar, stranded copper wires or with sizes as shown on the plans. Ground wires shall be run at least 0.45m below natural grade line and without sharp kinks or bends. Ground rods shall be 20mm x 3m unless otherwise indicated on the drawings. Use copper clad steel rod vertically driven with KSU BURNDY necessary to meet required ground resistance. Ground resistance shall be as specified in Philippine Electrical Code article 4.2.8.3 and as required by the utility company.

P.2.4. Conduits & Fittings

a. Conduits for interior systems shall be standard Intermediate Metal Conduit (IMC) for electrical purpose.

b. Service entrance conduit shall be Intermediate Metal Conduit (IMC) with

size indicated in the plan. c. No conduit shall be used in any system smaller than 12.7mm (1/2 inch)

diameter electric trade size nor shall have more than four (90) degree bends in any one run and where necessary, pull boxes shall be provided as directed.

d. No wire shall be pulled into any conduit until the conduit system is

complete in all details; in the case of concealed work until all rough plastering or masonry has been completed and in the case of exposed work until the conduit work has been completed in every detail.

e. The ends of all conduits shall be tightly plugged to exclude plaster, dust

and moisture while in progress of construction. All conduits shall be reamed to remove all burns.

f. All pipes and fittings on exposed work shall be secured by means of metal

clips, which shall be held in place by means of machine screws. When running over concrete surfaces, the screws shall be held in place by means of expansion sleeves. All pipes on exposed work shall be run at right angles to and parallel with the surrounding walls and shall conform to the form of the ceiling. No diagonal runs shall be allowed and all bends and offsets shall be avoided as much as possible. Where necessary conduit fittings shall be used. Piping in all cases, it shall be run perfectly straight and true . Conduits shall be supported at 1.5M intervals maximum, or per PEC requirements.

g. Intermediate metal conduits installed outside building in contact with the

soil shall be coated with asphalt paint and wrapped with asphalt/rubber tape. An additional cost of asphalt paint shall be applied over the asphalt/rubber tape.




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h. Conduits, fittings shall be used in exposed conduits to maintain good symmetry with adjacent wall, etc.

P.2.5. Wires & Cables

a. All wires shall be copper, soft-drawn and shall be of at least 98%

conductivity or higher. It shall be smooth and true and of cylindrical form and shall be within 1% of the actual size called for.

b. Wires and cables for lighting and power systems shall be plastic insulated

for 600 Volts working pressure, type “THHN/THWN” unless otherwise noted on plans or specified below.

c. All wires shall be stranded copper. For lighting and power system, no wire

smaller than 3.5 mm2 shall be used except for control leads and otherwise noted. Use standards in pulling wires.

d. Splices of wires / cables shall be done inside the junction boxes or auxiliary

gutters using standard connectors as specified in section P.2.6. No wires shall be spliced inside the conduits.

P.2.6. Connectors and insulation

Use solder-less connectors, mechanical 1 pressure-type lugs copper, for connection of wires larger than 8 mm sq. Application of insulation shall be equivalent to the insulation of the wire concerned. Use the filler compound at sharp edges to provide smooth surface before taping with electrical tape brand or approved equal electrical tape.

All splices shall be properly insulated using "wire-nut" type, twist-on compression connectors. No tape is needed. P.2.7. Panel Boards & Circuit Breakers

a. Standard panels and cabinets, as far as possible, shall be used and

assembled on job. All panels shall be of dead front construction, furnish with trims for flush or surface mounting as required. Cabinets shall be of Code gauge steel with gutters at least 4-inch wide and wider if necessary. The trim for all panels shall be finished in industrial gray enamel over a cost of rush inhibitor;

b. Manufacturer’s shop drawings shall be submitted before manufacturing; c. Distribution Boxes & miniature circuit breakers shall be rail type with neutral

terminal lugs and ground terminal lugs d. Power Panels shall be different type from distribution boxes with two-pole

main circuit breakers of sizes voltage rating and interrupting capacity as called for on plans and bolt-on type, center main with single pole branches;




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e. Main Distribution Panel shall be the same type the power panel with two-

pole center main breaker and two pole branches; f. Power and main distribution panel’s main bus work shall be rated in

amperes equal to or exceed over-current protective device immediately ahead of it. All bus works shall be properly secured to withstand available short circuit forces at the location;

g. Double Throw Switch (DTS) shall be breaker type with mechanical interlock;

h. Provide individual circuit breakers, safety switches, and disconnect

switches where indicated on plans, voltage ratings shall be suitable in each case of service application;

i. All protective devices shall meet NEMA, Underwriters Laboratories, Inc.

PS, and US Standard specifications; j. Circuit breakers shall consists of a quick-make, quick-break type entirely

trip-free operating mechanism with contacts, interrupter, and thermal-magnetic trip unit for each pole, all enclosed in a molded-phenolic case. The thermal-magnetic trip units shall provide time-delayed overload protection and instantaneous short circuit protection, and shall operate a common trip bar which open all pole in case of overload or short-circuit current in any one pole. Circuit breaker shall be trip indicating, with the tripped position or breaker handle midway between “ON” and “OFF” position;

k. Circuit breakers rated above 100 amperes shall have interchangeable trip

units; l. NEMA type/enclosure unless noted, PEC rules and regulations circuit

breakers type be 460V and 230V number of poles required. Word “space” indicated in the schedule of loads shall mean that the complete bus, insulators etc. shall be included ready to accept future circuit breaker of the same frame size as the largest branch circuit breaker;

m. Maximum mounting height from floor to uppermost part of the panel boards

shall be 1.80m; n. Panel directory shall be provided for each panel boards complete with

necessary data. All circuit breaker of panel boards shall be marked to its actual phase connection; and

o. Directory shall be computer generated and placed inside of panel doors.

P.2.8. Wiring Devices

a. Only “one” brand of wiring device shall be used for the project. Wall switches shall be rated at 16 amperes, 230 volts AC. Switches shall be of the quiet




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type, spring operated. The type of switch shall be tumbler operation and the color, plating and appearance of wall plates shall be as selected by the Architects/Engineers. Appropriate samples shall be submitted prior to the purchases of wall switches and faceplates. Switches shall be as manufactured by G.E., National or approved equal. Mounting height will be 1.37m above finished floor level;

b. Photo operated switch shall be rated 16 amperes or above rate, 230 volts

AC, it shall be mounted on the wall where it shall not be affected by the lights of the fixtures controlled for;

c. Receptacle outlets, in general, shall be for flush mounting, duplex type rated at 16 amperes, 230 volts parallel slots grounding type, must be 3-prone, so the ground wire has something to connect to unless otherwise indicated on drawings. Type and color or receptacle outlet and plates shall be WHITE. Appropriate samples of outlets and plates shall be submitted prior to purchase of devices.

d. Ground Fault Current Interrupter (GFCI) and/or Arc Fault Current

Interrupter (AFCI) outlets shall be weather proof and/or weather proof outlets indicated in the plans are not necessarily GFCI.

e. All special purpose outlets shall be heavy duty, rated at no less than the full

load ampere of the appliance to be served. P.2.9. Wire ways & Boxes Gauge formed sheet and reinforced sheet metal with screw fastened cover. Provide without knockout. Paint wire ways /box with the manufacturer standard baked enamel over lead primer. Provide all necessary supports, fittings and miscellaneous materials for a complete installation.

Junction and utility boxes shall be provided for each wiring device for lighting fixtures and convenience/special purpose outlet, respectively.

Provide pull boxes for spicing and pulling of wires. Provide as shown on the plans or whatever necessary.

All boxes shall be electrically grounded.

Q. PAINTING WORKS

Q.1 SCOPE This Item shall consist of furnishing all paints, enamels varnishes and other products to be used including labor, tools and equipment required as shown on the plans and in accordance with this specifications. The color finish shall conform with




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the plan. Satisfactory performance of all work necessary to complete all painting works with two (2) years warranty against peeling-off. Q.2 CONSTRUCTION REQUIREMENT The contractor prior to commencement of the work shall examine the surfaces to be applied with paints, enamels, varnishes, lacquers, sanding sealers and other related products in order not to jeopardize the quality and appearance of painting or finishing work. In addition, the Contractor shall undertake the following:

1. Voids, cracks, and all other kinds of defects, shall be repaired with proper patching materials and finished flush with the surrounding surfaces.

2. Marred or damaged shop coats on metal shall be spot primed with

appropriate metal primer.

3. All hardware shall be protected or removed prior to painting and varnishing operations.

4. Upon completion of the work, all staging, scaffoldings and paint containers shall be removed and disposed.

5. Paint drips, oil, or stains on adjacent surfaces shall be removed and the entire job left clean. Q.3 MATERIAL AND FINISHES

3.1 Use what is acceptable paint materials in the construction industry.

3.1.1 Use Premium Water Based Paints for interior and exterior such as concrete, stucco, masonry bricks plaster, hollow blocks, drywall surfaces, and properly primed wood.

3.1.2 Minimum of three (3) coating application shall be made as finale finished for all surface.

3.1.3 Colorants: Use only Latex or oil Tinting Colors for Paint materials

or approved equivalent for other product to achieve pastel shades.

3.1.4 Use Flat Wall Enamel Paint as a primer for enamel coatings for all

interior and exterior wood surfaces.

3.1.5 Use Semi-Gloss Enamel Paint from 2nd to final coating for all interior and exterior wood and metal surfaces.




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3.1.6 Use Red Oxide Metal Primer as primer paint for all exterior and interior steel surfaces

3.1.7 Use Quick Dry Enamel Paint for all exterior and interior steel

surfaces from 2nd to final coating.

3.1.8 Use Reflectorized Traffic Paint for road markings and pavement linings. To be used only on areas in direct contact to wheel traffic otherwise the reflectorized-effect will not manifest.

3.1.9 Use Varnish clear Alkyd type for finishes that requires

enhancement for wood grain of furniture, fixtures, cabinets, doors, doorjambs and other wood panel surfaces.

Note: Refer to ES representative for the approved PNP color scheme.

R. WATERPROOFING

SCOPE: This item shall consist of furnishing all materials, labor, tools equipment, plant and other facilities required as shown on the Plans and undertaking the proper application of water proofing materials in all parapet wall, roof slab canopy necessary for the supply and installation of waterproofing systems (as described in the BOQ) to concrete substrates, above-grade, on either dry or wet side of substrates, as indicated on the drawings and as specified herein. R.1 CONSTRUCTION REQUIREMENTS

1. Concrete mixture for plastering of parapet wall, roof slab canopy and other areas indicated on the Plans to be integrally waterproofed shall be blended with integral waterproofing compound.

2. Only a minimum quantity of clean water shall be used in the concrete

mixture to be sufficiently plastic and to obtain enough workability in placing concrete.

3. Concrete surface to be applied with waterproofing shall have been integrally waterproofed, thoroughly set, dry, clean and free from foreign matters.

4. Drainage connection and weep-holes shall be set up to permit the free flow of water.

5. Any expansion and contraction joints shall be cleaned, primed, fitted with a backing rod and caulked with sealant.

6. Prepared surfaces shall be cured and kept wet by sprinkling water at regular intervals for a period of at least three days when smooth surface finish have actually set.




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7. Allow cured surfaces to dry and remove all dust, dirt, debris and oil.

8. All loose areas shall be refitted and well secured. Repair cracks, breaks and open seams. Where required or as directed in the membrane waterproofing product instruction manual, prepared surface shall be prime coated.

9. All concrete works to be waterproofed shall be made water tight and flood tested for one week prior application of any waterproofing materials. If water leaks occur, the same shall be repaired and flood tested again.

R.2 MATERIAL Use Polyurethane: Coatings to have maximum thickness of 1mm per coat with up to three (3) coats permitted R.3 SUBMITTALS A. General: Submit listed submittals in accordance with conditions of the Contract and with Division Submittals Procedures Section. B. Product Data: Submit product data, including manufacturer’s specifications, installation instructions, and general recommendations for waterproofing applications. Also include manufacturer’s certification or other data substantiating that products comply with requirements of Contract Documents. C. Test Reports: Submit for acceptance, complete test reports from approved independent testing laboratories certifying that waterproofing system conforms to performance characteristics and testing requirements specified herein. D. Manufacturer’s Certification: Provide certificates signed by manufacturer or manufacturer’s representative certifying that the materials to be installed comply in all respects with the requirements of this specification, and that the specialized executing waterproofing agency is qualified and approved to install the materials in accordance with manufacturer’s product data. E. Manufacturer’s Field Report: Provide copy of report from manufacturer’s representative confirming that the surfaces to which waterproofing material is to be applied are in a condition suitable to receive same. R.4 QUALITY ASSURANCE A. Manufacturer: Provide products of manufacturer with no less than 5 years experience in manufacturing the waterproofing materials offered by them for the required work. Manufacturers that cannot provide the performance test data specified herein will not be considered for the project. B. Specialized Executing Waterproofing Agency: Specialized Executing Waterproofing Agency shall be experienced in the installation of the offered




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waterproofing materials as demonstrated by previous successful installation, and shall be approved by the manufacturer in writing. C. Pre-Installation Conference: Prior to installation of waterproofing, conduct meeting with waterproofing agency, Architect/Engineer, owner’s representative, and waterproofing manufacturer’s representative to verify and review the following: 1. Project requirements for waterproofing as set out in Contract Documents. 2. Manufacturer’s product data including application instruction.

3. Substrate conditions, and procedures for substrate preparation and waterproofing installation.

D. Technical Consultation: The waterproofing manufacturer’s representative shall provide technical consultation on waterproofing application. R.5 DELIVERY, STORAGE A. Delivery: Deliver packaged waterproofing materials to project site in original undamaged / unopened containers / pallets, with manufacturer’s labels and seals intact. Shall be approved by the PM. Material delivered shall be accompanied by manufacturer’s certificate for quality parameters and date of manufacture / expiry. B. Storage : Material shall be stored in dry, well ventilated and covered storage. R.6 PROJECT CONDITIONS A. Compliance: Comply with manufacturer’s product data regarding condition of substrate to receive waterproofing, weather conditions before and during installation, and protection of the installed waterproofing system. R.7 GUARANTEE A. Manufacturer’s Guarantee: Manufacturer Shall provide standard product guarantee executed by authorized company official. Term of guarantee shall be minimum of 10 years from Date of Substantial Completion. B. Guarantee of the Specialized Executing Waterproofing Agency: The specialized Executing Waterproofing Agency shall guarantee the waterproofing installation against defects caused by faulty workmanship or materials for a period of 10 years from Date of Substantial Completion. The guarantee will cover the surfaces treated and will blind the agency to repair, at his expense, any and all leaks through the treated surfaces which are not due to structural weaknesses or other causes beyond applicator’s control such as fire, earthquake, tornado and hurricane. The guarantee shall read as follows. DETAILED TECHNICAL SPECS - WATERPROOFING C. Guarantee: The agency guarantees that, upon completion of the work, surfaces treated with offered waterproofing material will be and will remain free from water leakage resulting from defective workmanship or materials for a period of 10




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years from Date of Substantial Completion. In the event that water leakage occurs within the guarantee period from such causes, the agency shall, at his sole expense, repair, replace or otherwise correct such defective workmanship or materials. Agency shall not be liable for consequential damages and the agency’s liability shall be limited to repair, replacement or correcting of defective workmanship or materials. Agency shall have no responsibility with respect to water leakage or other defects caused by structural failure or movement of the structure, or any other causes beyond the Agency’s control. R.8 FIELD QUALITY CONTROL A. Observation: Do not conceal installed waterproofing system before it has been observed by Architect/Engineer, waterproofing manufacturer’s representative and other designated entities. B. Flood Testing:

1. Perform flood test on completed waterproofing installation for a minimum of 72 hours before placement of other construction.

2. Plug or dam drains and fill area with water to a depth of at least 100 mm. 3. If leaks are discovered, make repairs and repeat tests until no leaks are

observed. R.9 CLEANING AND PROTECTION A. Cleaning: Clean spillage and soiling from adjacent surfaces using approximate cleaning agents and procedures. B. Protection: Take measures to protect completed waterproofing system from damage immediately after application. Do not permit traffic on unprotected coating or membrane.

i. BUILDING SIGNAGES

1.1 SCOPE

This section includes all materials, labor, equipment and the performance of all operations necessary for the furnishing and installation of building signage with complete with accessories and fasteners.

NOTE: All additional activities which is not indicated or specified on the plan but

related to the scope of works to complete the project shall be done by the Contractor without any additional cost to the PNP.




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Prepared by: Checked by:

JOSE V ROMULO HONORIO R AGNILA Police Chief Inspector Police Superintendent C, Constn & Management Section AC, Infrastructure Div

Recommend Approval:

MANUEL G FABROS ABELARDO C MATILLANO Police Senior Superintendent Police Senior Superintendent Chief of Staff Deputy Director

Approved by: ANTONIO A TAYLAN JR Police Chief Superintendent Director, Engineering Service