Specifications - Santos Residence

DIVISION 1.0 GENERAL REQUIREMENTS 1.1

GENERAL

A.) The work consists of furnishing all materials (except materials supplied by the Owner), equipment, labor, transportation, supplies, tools and supervision necessary in the construction of the Proposed Two (2) Storey Residence. B.) All parts of the construction shall be finished with the first class workmanship to the fullest talent and meaning of the plans and these specifications, and to the entire satisfaction of the Architect/Engineer, the Owner or its representative. C.) The construction shall conform to all the requirements of the National Building Code of the Philippines (PD 1096), as well as the local rules and regulations of General Trias, Province of Cavite D.) Any inconsistency or discrepancy existing between the plans and specifications shall be brought immediately to the attention of the Architect or Owner who shall decide the correct version of the two. E.) No alteration or addition to the original design shall be allowed without the consent of the Architect and the Owner or its representative. F.)

1.2

All additional work not included in the original scope of work which is duly authorized both by the Owner and the Architect shall be properly documented by the Contractor. All the parties shall jointly approve the additional work which shall also serve as reference in the billing of additional work. LOCATION

The location of the proposed work is Blk. 51, Lot 18, 19, Mary Cris Complex General Trias, Province of Cavite, as shown on the site plan. Confine use of the site to the portion indicated in the plan.

DIVISION 2.0 SITEWORKS

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2.1

SITE CLEARING

This will include the removal and demolition of all existing materials from the site that will not be used as directed by the Project Manager. 2.2

STAKING OUT THE BUILDING LINES

The building lines shall be staked out. All lines and grades shown in the drawings shall be established before any excavation is started. Batterboards and reference marks shall be erected at such places where they will not be disturbed during the excavation of the building. 2.3

EXCAVATION

The Contractor shall make all necessary demolition and excavation for foundations to grades indicated on the drawings. No footing shall rest on fill, it shall be carried deeper until the desired stratum for safe bearing power is reached. 2.4

BACKFILLING, FILLING AND GRADING

All fills shall be placed in layers not exceeding 150mm. in thickness each layer being thoroughly compacted by wetting, tamping or rolling. In areas where slab rest on ground or on earthfill, this shall be leveled and accurately graded with 50mm. thick of gravel and tamped thoroughly before pouring of concrete. 2.5

SOIL POISONING

All visible termites, termite’s mounds and nest within the site shall be demolished, dug out and exterminated by approved chemicals. The soil areas shall be those directly under the concrete slab on fill floors and a one (1) meter wide strip along the perimeter of the concrete slab on fill. The zocalo and backfill material shall also be treated. Application of chemicals shall be as per manufacturer’s specifications.

DIVISION 3.0 CONCRETE WORKS 3.1 2

CONCRETE WORKS Archt. FREDERIC C. OCAMPO, UAP

A) All concrete shall be mixed thoroughly until there is a uniform distribution of the cement and aggregates, and should be deposited as nearly as practicable in its final position. Care must be given consideration to avoid segregation of aggregates. B) The following shall have a strenght after 28 days: 1. Foundations, columns and beams shall have a minimum strenght of 3,000 psi. 2. Wall footings and slab-on-grade shall have a strenght of 2,500 psi. 3. Suspended concrete slab shall have a minimum of 4" thick and strenght of 3,000 psi. 3.2

CONCRETE MATERIALS A)

Cement to be used shall be any brand of Portland cement conforming to PNS 07:1983 and ASTM C 150 Specification for Portland Cement, excluding Types S and SA which are not intended as principal cementing constituents of structural concrete. Alternative cement must meet the requirements and must be approved by the Architect or Engineer-in-charge of construction.

B)

The fine aggregates for concrete shall consist of natural sand, or of inert materials with similar characteristics, having clean, hard, and durable grains, free from organic matter or loam.

C)

Water to be used in gauging concrete shall be free from deleterious substance and be reasonably clear and clean. The use of sea or brackish water is not allowed.

D)

The coarse aggregates for concrete works shall consist of crushed rocks of durable and strong qualities and shall vary from 20mm. to 40mm. (¾” to 1 ½”). In lieu of site mix, the Contractor may opt to use Pre-mix. Concrete during and immediately after depositing shall be thoroughly compacted by mechanical vibrator.

E)

All concrete works shall be done in accordance with standard Specifications For Concrete And Reinforced Concrete as adopted by the government in so far as it does not conflict with the specifications.

F) Use Class “A” (1:2:4) for all footings and reinforced concrete walls and slabs. Use Class “Y” or 12 mm. crushed gravel for Class “A” concrete mixtures on all structural members. 3.3

FORMS OF CONCRETE WORKS A)

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All forms for concrete works shall be properly braced and tied together so as to maintain the correct position and shapes of concrete members.

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Forms shall be constructed sufficiently tight to prevent building and seepage of water. B)

3.4

Wood forms shall be of sound lumber free from decay loose knots or other defects. Lumber used in forms for exposed surfaces shall be dressed to a uniform thickness. For undressed surfaces and rough work, undressed lumber may be used. Technoform of 3/8” x 4’ x 8’ or any approved equal will also be utilized. STEEL REINFORCING BARS

A)

All steel reinforcing bars to be used in this construction shall consist of round deformed bars with lugs or projections on their sides to provide a greater bond between the concrete and steel. All steel reinforcing bars to be used shall be PAG-ASA brand, or any approved equal in which they shall confirm to ASTM A615 40 ksi Grade 40 (40,000 psi.) bars.

B)

Splices of tensile reinforcement shall be secured against displacement by means of wires, concrete or metals chairs, clips, spacers or hangers. Unless otherwise specified, minimum spacing between bars shall not be less then 1½ times the maximum size of coarse aggregate.

C)

Concrete covering over steel reinforcement shall not be less than the following minimum requirements: a. 100mm – for footings b. 75mm – for other principal structural members where concrete is deposited against the ground. c. In members exposed to weather or ground after form’s removal: 50mm – for bars more than 16mm in diameter 38mm – for bars less than 16mm in diameter d. For members not directly exposed to weather or ground: 20mm – for slabs and walls 38mm – for beams, girders and tied columns 38mm – for spiral columns, with covering and core cash monolithically 20mm – for concrete rib floors in which clear distance between joints is not more than 0.75m

D)

Curing shall be done by keeping forms continuously wet and exposed concrete surfaces covered by wet burlap, draft paper of sand. Curing shall begin as soon as water has disappeared form the surface of newly poured concrete and shall continue for at least seven (7) days.

E)

Heavy loads or live loads for which structure is designed shall not be allowed until after concrete is at least twenty eight (28) days old.

F)

Through the period that the concrete is poured, set of test samples shall periodically be prepared and properly labeled as to mixture, application and date taken, all under the direct supervision of the Engineer or his

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representative/s. Samples that shall fail required test for structural strength shall mean the demolition and replacement of the parts of the building from which such samples have been taken. Expenses for making and curing, securing, shipping and testing of samples shall be borne by Contractor. One piece test sample shall be taken for every fifty (50) bags of concrete mixture poured.

DIVISION 4.0 MASONRY WORKS 4.1

GENERAL REQUIREMENTS A) 150mm thk. & 100mm thk. CHB wall shall have a minimum compressive strength of 2500 lbs. per square inch (psi).

4.2

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REINFORCING STEEL BARS

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A)

Rebars shall be deformed, free from rust. Size and spacing as specified in the drawing shall conform to ASTM A615 40 ksi Grade 40 (40,000 psi.) bars.

B)

Horizontal and vertical joints shall be 10 mm thick. Joints shall be solidly filled from the face pointing where necessary to completely and compactly fill the joints. Reinforcing will consist of 10 mm vertical and horizontal bars at 0.60 m on center bothways.

C)

All vertical and horizontal reinforcing bars shall be anchored 600 mm diameters into concrete walls, columns or slabs during bending and hooked to the vertical bar leaving another 600 mm diameter exposed to splice with the reinforcing bar of the walls during construction.

D)

At door and window openings unless otherwise shown in the details the jamb and beam blocks over opening and below window sills shall be reinforced as follows: Jamb blocks : Use one (1) 12 mm. bar on beam blocks over opening for 100 mm. and 150 mm. walls. Use one (1) 12 mm. up to 100 mm. wide unless otherwise indicated in the plan.

DIVISION 5.0 METAL WORKS 5.1

GENERAL REQUIREMENTS A)

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This will include the furnishing of materials and equipment, performance of labor and services, which will require to complete fabrication and erection.

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5.2

B)

All steel sections shall conform with all the requirements, tolerances and characteristics as described/prescribed by the Bureau of Philippine Standards designation number PNS 49:1986.

C)

Grade 275 or 230 plain-weldable steel flat, square & tubular sections as manufactured by Cathay Pacific Steel Corporation or any approved equal. The appearances and quality of weld methods will be made used in correcting defective work as to the requirements of the standards Code of Welding in Building Construction of the American Welding Society.

D)

Welding shall conform to the technique of welding employed. The appearances and quality of welds methods will be made used in correcting defective work as to the requirements of the standards Code of Welding in Building Construction of the American Welding Society.

E)

The ridge beam & rafters shall be a custom rollformed sections manufactured by Rapid Forming Corporation or any approved equivalent.

STANDARDS AND CODES

The standards and codes applicable only to a portion of work specified in this section are referred in the relevant parts or clauses. Standards and codes, which are generally applicable to the work of this section are listed hereinafter: A. AISC – American Institute of Steel Construction B. Specification for the Design, Fabrication, and Erection of Structural Steel for Buildings. C. Specifications for structural joints using ASTM A325 or ASTM A490 Bolts.

5.3

STRUCTURAL METAL FRAMING A)

Obtain measurements for all work required to be acurately fitted at the job and not from the drawings.

B)

Obtain measurements for all work required to be accurately titled at the job and not from the drawings. The Contractor will be responsible for the accuracy of all such measurements and the precise fitting and assembly of the finished product. B) Immediately after clearing and before any rust has formed coat surfaces with a crystalline phospate base coating has dried, prime with zinc chromate primer applied at a minimum dry film thickness of 1.5 ml. or a coat of red lead in lieu of zinc chromate primer. C)

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Apply to all metal items except stainless steel and aluminum, whether exposed or concealed in the finished work, heavy shop coat of paint as Archt. FREDERIC C. OCAMPO, UAP

specified prime before hand parts or surfaces that are inaccessible after assembly. 5.4

MATERIALS A)

Structural Steel : ASTM A36 unless otherwise shown.

B)

High-Strength Bolts : ASTM A307 regular hexagon bolts with nuts low carbon steel and washers conforming to ANSI B.18.2.21, Type B.

C)

Shop Primer Paint : Inorganic Zinc Paint manufactured by Dutch Boy Phils.or any approved equal.

DIVISION 6.0 CARPENTRY WORKS 6.1

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GENERAL REQUIREMENTS A)

Lumber shall be the approved quality of the respective kinds required for the various parts of the work, well seasoned, thoroughly dry, and free from large, loose or unsound knots, sap shakes and other imperfections impairing its strength, durability or appearance. All finishing lumber to be used shall be kiln dried, quarter sawn lumber No. 1 common or better and shall not contain more than 14% moisture.

B)

Framing lumber shall be of the rough dimensions shown on the drawings treated with an acceptable wood preservative.

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C)

The kind of material to be used for the various parts of the building shall be as follows: Interior Ceiling ..………….……………………….. 9mm thk. Gypsum Boards on metal framings Exterior Ceiling ……………………………………. 4.5mm thk. Fiber Cement

Boards D) If needed, ceiling finishes for eaves will be 4.5mm thk fiber cement boards on metal framings. For interior ceiling, it should be 4.5mm thk fiber cement boards or 9mm thk gypsum boards on metal framings, depends on the location. All ceiling finishes should be painted.

DIVISION 7.0 THERMAL & MOISTURE PROTECTION 7.1

GENERAL REQUIREMENTS A) Roofing shall be covered with Asphalt Shingles Roofing sheets with Marine Plywood as under Sheeting and shall be secured to purlins using tekscrew & the roofing should be provided with insulation. B) Ridge rolls, hip rolls and valleys to be used shall be those compatible with the pre-painted Ga. 24 roofing sheets. They shall lap the roofing sheets at least 250mm and shall riveted to engage the G.I. straps in securing the roofing sheets to the purlins.

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7.2

MATERIALS A) Roofing shall be Asphalt Shingles Roofing sheets with Marine Plywood as under Sheeting.

7.3

INSULATION A)

Roofing insulation should be 25mm thk. polyethylene foam one side foil or any approved equal. It should be installed over the purlins.

DIVISION 8.0 DOORS & WINDOWS 8.1

GENERAL REQUIREMENTS A)

Doors and door frames shall conform to the size, designs and kind of materials shown in the schedule of doors or as per materials, which is as follows: a. Main entrance door shall be Solid Wooden Type Panel. This door should also be provided with 2”x6” Metal/Steel. b. Molded Door on steel jamb for additional bedrooms and the areas. c. Toilet doors should be PVC on PVC jamb.

B)

Window and window frames shall conform to the size, designs and kind of materials shown in the schedule of windows or as per materials, which is as follows: 1. All window frames should be powder coated aluminum frame with 6mm thk clear glass. Refer to architectural details.

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C)

HARDWARES: 1. The works consist in furnishing all labor, equipment and tools, and materials and in performing all operations in connection with the installa of all building, rough and finishing hardware with accessories if any, required for the completion of the work, complete, in accordance with drawings and specifications, and subject to the terms and conditions of the Contract. 2. Unless otherwise specified. Hardware shall be located as follows: a. Door knobs shall be 1000mm from finished floor level to center of knob. b. Door pulls shall be 1000mm from finished floor level to grip center. c. Cylinder dead lock shall be 1375mm from floor level to center of lock. 3. All door knob lockset shall be in good quality and by owner’s supply.

DIVISION 9.0 FINISHES 9.1

FLOOR AND WALL FINISHES A)

B)

GROUND & SECOND FLOOR FINISH: Living/Dining/Kitchen……………. 60x60 cm Porcelain Floor Tiles Bedrooms …………………………. PVC Wood Planks Toilet & Baths ……………………… 60x60 cm Porcelain Floor Tiles GROUND & SECOND FLOOR: Exterior walls ……………………….. Plain Cement in paint finish Interior Walls ………………………... Plain Cement in paint finish Comfort Rooms ……....................... Ceramic Wall Tiles & plain cement in paint finish

SECTION 9.A PAINTING WORKS 9.A.1 GENERAL REQUIREMENTS

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A)

The extent of paintwork is shown on the drawings and schedules, and as herein specified.

B)

The work includes painting and finishing of exterior exposed items and surfaces throughout the project, except as otherwise indicated.

C)

Use Boysen brand paint on all paint works or any approved equivalent.

9.A.2 PAINTING SCHEDULE A)

Latex/Enamel Paint Finish Apply two (2) coats of topcoat available in Flat, Semi-gloss, Gloss Finishes to all interior & exterior walls. Allow one (1) hour drying time between coats.

B)

Gloss Finish; Exterior walls 1st Coat - Flat Latex Paint nd 2 Coat - Elastomeric Paint

C)

Ceiling shall be painted with White Flat Latex paint.

D) E)

Exterior Doors & Jambs will be painted QDE paint, Panel Door shall be in varnish finish with topcoat. Interior Doors shall be in varnish finish with topcoat.

9.A.3 MATERIALS, COLORS AND FINISHES

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A)

Paint colors surface treatment and finishes will be selected by the Architect/Owner.

B)

Present draw-down paint schemes to the Architect/Owner preparing samples to review the approved swatches.

C)

Final acceptance of colors will be from samples applied on the job.

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when

DIVISION 15.0 PLUMBING WORKS 15.1 GENERAL REQUIREMENTS A) All plumbing works for this project shall be done in accordance with the approved plans and shall conform to the provision of the NATIONAL PLUMBING CODE and the rules and regulation enforced in the locality. B) All plumbing fixtures shall be the following: Water Closet Fixture equivalent Lavatory Counter Sink Toilet Paper Holder Soap Holder Towel Bars Shower Fixture Lavatory Faucets Floor Drain

-

HCG

or

any

approved

HCG or any approved equivalent Hafele or any approved equivalent Satin Nickel Finish Satin Nickel Finish Satin Nickel Finish Square Type Rainshower Lever type Satin Nickel Finish Satin NIckel Finish

C) All exposed piping systems shall be GI pipe schedule 40, filtered & utility water supply piping shall be PVC pipe “Lucky blue” brand or any approved equivalent.

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D) The work included under this section consist of furnishing all materials, supplies, equipment and performing labor and services required to install the following system as shown in the plan: 1. Sewerage line shall be 100mm diameter PVC Pipe series 1000. 2. Storm Drainage line shall be 75mm diameter PVC Pipe series 1000. 3. Water line shall be 25mm diameter PVC pipe for the main line & 12mm diameter PVC pipe for all branches as indicated in the layout.

DIVISION 16.0 ELECTRICAL WORKS 16.1 GENERAL REQUIREMENTS A) All electrical installations shall be done in accordance with the approved plans and shall conform to the provisions of the latest edition of the Philippine Electrical Code. B) The work shall be done in the manner shown by the drawings and as hereinafter specified and shall be complete with raceways, conduit, wiring, and specified services shown and scheduled. C) The Owner shall, at his own expense, obtain all the necessary permits and Certificate of Electrical Inspection or CEI (from the proper government authorities) required both for the performance of the work involved and the operation of the system upon completion of the work. D) The Contractor shall, at his own expense, reproduce the existing electrical plans & the proposed extension plan for the electrical works to the necessary scale, and complete them with the necessary information and requirements as required by the government approving authorities concerned in the issuing of permits and CEI. 16.2 MATERIALS AND WORKMANSHIP

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A) All materials to be installed shall be brand new and shall conform to the standards of the U.S. Underwriters Laboratories, Inc., in every case, where such a standard has been established for the particular type of materials. B) Only skilled workmen using proper tools and equipment shall be employed during the entire course of installation work. All workmanship shall be of the best quality and all work shall be done in accordance with the best practice of the trade involved. 16.3 ELECTRICAL MATERIALS A) PVC Electrical conduits and fittings shall be for embedded pipes “Moldex/ Polyflex” or any approved equivalent. Embedded pipes use PVC pipe “Poly” or any approved equivalent. B) Power service entrance shall be in Rigid Steel Conduit (RSC) pipe. C) Wires shall be Phelps Dodge or any approved equivalent. D) Switches shall be General Electric or any approved equal. purchased and supplied by the Owner.

It shall be

E) Convenience outlets shall be General Electric or any approved equal. It shall be purchased and supplied by the Owner. F) Lighting Fixtures shall be purchased and supplied by the Owner. G) Panel boards shall be General Electric or any approved equal. It shall be purchased and supplied by the Owner. H) Boxes - All boxes shall be approved products of reputable manufacturers. - All ceiling boxes intended for lighting outlets shall be of the 4” octagonal box, larger when required with a depth of 2 - 1/8” minimum. Switches and convenience boxes shall be 2” x 4” rectangular box gauge No. 16, deep, flush type. - All boxes including junction box and pull boxes shall be of sufficient sizes to provide free space for all conductors enclosed in the box. - All junction boxes, pull boxes and blank boxes shall be fitted with standards flat metal box covers. 16.4 SUBMITTALS The Electrical Contractor shall obtain approval from the consultant before procurement fabrication or delivery of items to the job site. Submittals shall 15

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include the manufacturer’s name, trade name, and place of manufacture, catalog model or number, nameplate data, size layout

ARCH. FREDERIC PRC NO. PTR NO. DATE ISUUED PLACE ISSUED TIN IAPOA NO.

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C. OCAMPO, UAP : 0015833 : 1491523 : 16 January 2014 : Muntinlupa City : 217-011-347-000 : 18305 100634 070313

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