TECHNICAL SPECIFICATIONS

FOR THE PROPOSED

FOUR-STOREY RESIDENTIAL#47 South Sikap, Brgy. Plainview, Mandaluyong CityGENERAL PROVISION AND REQUIREMENTS

SECTION NO. 1

1.1 SCOPE OF WORK

The work covered shall include:

1.1.1 Complete Construction of the building including supervision, labor and the supply of materials, equipments and services necessary to properly conduct and produce the desired work product. Included here in site preparation and earthworks, concrete works, form works, Masonry works, steel works, Roofing/ Tinsmith, Plumbing works, Water proofing, Carpentry, Tile works, Aluminum and glassworks, Doors and Jambs, Painting works, finishes, clearing and all Temporary works, and structures necessary for an efficient, smooth and up to date completion of the project.

1.2 CONTRACT DRAWINGS1.2.1 Details and extent of work are shown of in the drawings accompanying these specifications.

1.2.2 Sketches and other details not clearly shown in plans shall be furnished by the Designer before or during construction.

1.3 PARTS OF THE SPECIFICATIONS1.3.1 These specifications include the following:

Section no. 1- GENERAL

2- SPECIFIC

3- EARTHWORKS, EXCAVATION AND BACKFILLING 4- CONCRETE WORKS / REINFORCEMENT 5- FORM WORKS / SCAFFOLDING

6- STEEL WORKS

7- ROOFING / TINS MITHRY 8- PLUMBING WORKS AND WATER SERVICE SYSTEM ROUGH-IN, FINISHING 9- ELECTRICAL WORKS ROUGN-IN, FINISHING10-WATER PROOFING11- CARPENTRY WORKS

12- TILE WORKS

13- CARPENTRY FINISHES

14- PAINTING, VARNISHING AND OTHER FINISHES

15- ALUMINUM, GLASS WORKS, DOORS AND WINDOWS

1.3.2Work performed under any of the following parts of the specifications shall not be paid for separately, but the cost thereof shall be considered as having been included in the lump sum contract.1.3.3The application and the payment of the building permit and all other fees necessary for the complete construction of the said project shall be born by the Contractor.

1.3.4The specifications are intended to supplement the provision of the General Building Code in order to provide the proper design and construction. Incase of difference between plans and specifications, this specification shall govern. It is the duty of the Resident Engineer and Contractors Technical person to examine both carefully, compare the verify dimension and discrepancy between figure and drawings. The matter should be immediately brought to the Designer before any adjustment shall be made.SECTION NO. 2 SPECIFIC

2.1 WORKMANSHIP2.1.1All operations required under any and all parts of the specifications shall be undertaken in a neat, workmanlike manner. Only skilled personnel w/ sufficient experience in similar operations shall be allowed to undertake the same.

2.2 WATER SUPPLY2.2.1The contractor shall provide at his own expense as ample supply of fresh water sufficient for all construction purposes.

2.3 INSPECTION OF SITE2.3.1The Tender may deemed to have been based on data, regarding physical conditions at the site, the Contractor acknowledges and warrants that he has inspected and examined the site and their surroundings and has satisfied himself by submission of his Tender as to the nature of the work and materials necessary for the completion of the works, and the means of access to the accommodation he may require, and that he has obtained for himself, all necessary information as to risks, contingencies, and other circumstances which may have influenced or affected his time will be considered for the failure to inspect and examine the site conditions.2.4 CHANGES2.4.1The designer reserves the right to make slight changes in details of works or materials as he may deem advisable. These changes may include revision or modification of shapes and dimensions of elements of the structure to suit conditions as the work progress. The cost of changes in any particular element that may involve additional expenses to the Contractor shall be covered by appropriate adjustment of the Contract price.

2.5 CONFLICT BETWEEN PLANS AND SPECIFICATIONS2.5.1 Should there be any conflict between indications on drawings and provisions in specifications same shall be preferred to the Designer his decisions on the matter and whose opinion shall be final.

2.5.2Any omission in the specifications of work or works to be undertaken but necessary for the completion of work, shall be undertaken by the Contractor as if indicated on drawings, without extra compensation. Such works shall be done in the usual manner as required as to quality of both materials and workmanship.2.6 REJECTIONS2.6.1 Materials of workmanship not in reasonable conformance w/ the provision of these specifications shall be rejected at anytime during the progress of the work. (The Contractor shall receive copies of reports of rejection of materials and workmanship made by the Architect/Engineer. ) . Any part of the work that has been done and is not of the quality required by reasonable interpretation of the plans and specifications shall be torn down or removed immediately and rebuilt of otherwise remedy such work in accordance w/ the requirements of the plans and specification.2.7 ESTABLISHED GRADE LINE AND PREPARATION OF SITE

2.7.1The Contractor shall inspect and examine the individual site conditions. No increase in cost of Extension of time will be considered for failure to examine site condition. Control points and elevations will be furnished by DESIGN SECTION & SURVEY CONSULTANT, the contractor shall be responsible for all other survey and measurements required to accurately complete the work. Unless otherwise indicated by the Architect/Enginner, Established Grade Line shall be verified from Designer prior to Lay-outing.

2.7.2Care shall be taken to protect and maintain adjacent properties, materials, and such other facilities such as Conduits, Drains, Sewer, Pipes and other wives that are to remain in the property. Restore with out cost to Client/owner all road pavements, curbs, gutters, etc, that may affect during the performance of works. 2.7.3All unusable materials and debris resulting from the performance of work shall be removed immediately from the premises and salvageable materials shall be hauled and staked neatly by the contractor to the Engineer/Owners choice within the premises.

SECTION NO. 3EARTH WORKS & CLEARING

3.1 CLEARING

The contractor shall clear grade the building for a distance convenient for building Layout w/out extra compensation provided, however, that he shall not be required to clear beyond perimeter of workplace.

3.2 EXCAVATION AND BACK FILLING3.2.1 Necessary excavations shall be made where materials maybe encountered, for all foundations to the extent required and grade indicated on the drawings.3.2.2Remove all traces of top soil, loan organic and alluvial materials, including mud, and swamp bottom materials.

3.2.3Remove all earth and sub-grade materials unsuitable for the preparation of slab on full.

3.2.4All filling materials shall be taken from selected borrow subject for approval of sample from Designer.

SECTION NO.4CONCRETE WORKS AND REINFORCEMENT

4.1 SCOPE4.1.1The work includes the furnishing of all fabrications, labor, equipment and materials, and performing of all necessary operations in connection with concrete works.

4.2 MATERIALS4.2.1Coarse and Aggregate shall be crushed gravel sand and shall be well graded and free from any deleterious materials. These shall be washed.

4.2.2Cement and Aggregates shall be stored in a manner as to prevent their deterioration of the intrusion of foreign matter. Materials of deteriorated quality of which has been damaged shall not be used for concrete cement whose quality is questionable shall be tested by standard of ACI to determine in durability for use. 4.2.3Concrete Aggregates Shall conform to specifications for the Aggregates (ASTM Latest Revision). The maximum size of the aggregates shall not be larger than (1/5) of the narrowest dimension between sides of the forms of the member for which the concrete is to be used not larger than three fourth (3/4) of the minimum clear spacing between individual reinforcing bars and in no case larger than two (2) inches in diameter.4.2.4Reinforcing steel bars shall conform to ASTM designation A-615-68 specifications 40,000 psi: reinforcing steel bars for footing, columns, beams, slabs etc. shall be 40,000 psi.4.3 CONCRETE & REINFORCEMENTS4.3.1Before placing reinforcement and before pouring concrete, remove all loose rusts, mill, scale, oil or other adhering materials which tends to reduce or destroy bond between concrete and reinforcement4.3.2 Reinforcing steel bars shall be cut, bent, lapped, or splice as recommended by ACI codes. Splices of Tensile Reinforcement at points of maximum stress will be allowed only when expressly authorized by the engineers. Splices where permitted, shall provide sufficient lap (not less than 60 times the diameter of the bar for deformed bars) to transfer the stress between bars by bond and shear, and shall be secured in place by the use of the wires not smaller than # 16 gauge. Splices in adjacent bars shall be staggered.4.3.3Reinforcing steel bars shall be placed accurately and secured in place by use of concrete of metal supports, spacers or ties to firmly hold them in their proper positions during pouring and setting of concrete.4.3.4Reinforcing steel bars shall have protective covering not less than 3/4 inches of concrete in slabs that are not exposed to the ground; not less than one and a half inches in beams, and columns and not less than 3 inches for footing.

4.3.5The minimum spacing between parallel reinforcing steel bars in a layer shall be the nominal diameter of the bar 1-1/3 times the maximum sizes of course aggregates and 1 inch.

4.3.6Concrete mixture shall be in 3,500 psi. Water shall be so measured as to ensure the desired quantity of successive batches class A mixture is applicable to all parts of concrete in the structure. Measurement of materials for ready mixed concrete shall conform to standard specifications for ready mixed concrete.

4.3.7 MIXING CONCRETE

All concrete shall be machine-mixed except in emergencies such as mixer breakdown during pouring operations where it shall be done by hand and shall stop at the first allowed construction joint. Re tempering of concrete, i.e. mixing w/ additional cement aggregate or water shall not be permitted.

4.3.8CONVEYING AND PLACING OF CONCRETE

Water shall be removed from excavation before concrete is deposited. Concrete shall be conveyed from mixer to forms as rapidly as practicable, by methods which shall prevent segregation or loss of ingredients. Approval of EUGO Engineers shall be obtained before starting any concrete pour. Vibrating equipment shall be used in internal type and not be overdone to cause segregation of particles and disturbance of setting concrete but just enough to produce an even heterogeneous distribution of ingredients.

4.3.9Construction Joint- if possible, concrete shall be done continuous until section is complete. When stoppage of concrete operations occur, construction joints shall be placed either horizontally or vertically as indicated by the designer and provided with shear keys or dowels to develop bond. Construction joints shall be as per plan or shall be approved or as directed by the Engineers.

4.3.10pouring of concrete for foundation shall be alone after the Designer/ Resident Engineer have verified the actual soil conditions at the site and approved the start of concreting.

4.3.11The Contractor shall no place any concrete until the EUGO Engineers inspect and approves the conditions of forms, reinforcement and embedment.

4.4 CURING4.1 All concrete shall be moist cured for a period of not less than 7 consecutive days by an approved method of combination applicable to local conditions surface of the concrete shall be kept continuously wet by covering w/ water, by continuously spraying, or by covering w/ burlap of other approved materials thoroughly saturated with water and keeping the covering wet by spraying or intermittent hosing. 4.5 REPAIR OF CONCRETE

4.5.1 Imperfections

4.5.1.1 Repair shall be completed within 24 hrs after removal of forms.4.5.1.2 Large Bulges

Where present, large bulges and abrupt irregularities that protrude shall be removed by bushing, hammering and grinding.

4.5.1.3 The Cost of all materials, labor and equipment used in the repair shall be born by the Contractor.

4.6 CEMENT FINISH FOR CONCRETE SURFACES

a) All concrete surfaces including those indicated as cement plaster on drawings shall be given a finish done and applied in accordance w/ the ff. provisions: 1. All holes voids, depressions and other defects shall be thoroughly wetted and then pointed up soil w/ cement mortar used in the body of work.

b) Upon removal of forms for concrete surfaces where plaster, ceramic tiles or cement base, or any other applied finish is required, said concrete surfaces shall be roughened further w/a pick or similar tool to remove laitance, loose particles, and anything/c would prevent band then cleaned thoroughly with hose water. The concrete surface must be kept wet for four hrs before the required finish is applied.4.7 CONCRETE FLOORS AND STEPS ON FILL ON GROUND

4.7.1 Concrete shall be proportioned, mixed and placed in the presence of inspector; sample notice shall be given before mixing commenced.4.7.2 Concrete floors and steps on fill or on ground shall be reinforced w/ 10mm diameter bars spaced at 40cm on centers each way whether shown on drawings or not. Where different reinforcement is shown, follow size and spacing shown on the plan.4.8 TEST OF CONCRETE

4.8.1 Reasonable number of Test on the concrete may be required by EUGO Engineering during the progress. Not less than four (4) cylindrical specimens shall be made for each test of which at least two (2) shall be reserved for the 28 days test. Sample shall be secured and molded in accordance w/ METRO OF SAMPLING CONCRETE (ASTM DESIGNATION C-172) AND CURING CONCRETE COMPRESSION AND FLEXURE TEST SPECIMENS IN THE FIELD (ASTM DESIGNATION C-172 ) The contractor shall provide the sample to be taken at the place of deposit and as specified by the Engineers.

SECTION NO. 5

FORMWORKS5.1 Forms shall confront to the shapes, lines, and dimensions of the members as called for on the plans, and shall be substantial and sufficiently tight to prevent leakage of mortar. They shall be properly braced or tied so as to maintain position

5.2 Plywood, metal, plastic materials or surfaced lumber forms shall be used where it will give the most advantage in the specific concrete work involved.

5.3 Unless otherwise ordered, forms and storing shall not be disturbed and shall remain in place for a minimum period of time, in accordance with the following schedule.

Parts of Structure

a. Massive footing

b. Concrete thin walls

c. Beams (sides)

d. Beams (Slab)

e. Columns

Time Scheduled

a. 1 day (24 hrs)

b. 2 days (48 hrs)

c. 3 days (72 hrs)

d. Up to 14 ft. 15 days (366 hours) but provided vertical support or shoring Jacks

e. 2 days (48 hrs)

SECTION NO. 6

STEEL WORKS (ROOF FRAMES, STAIRS & BALCONY RAILINGS)

6.1. SCOPE OF WORKS

The works consist of furnishing all labor, tools equipments, and materials and the performance of all operations relative to the fabrication, delivery to site, creation/ installation, and painting of structural steel complete as required and specified.6.2. All structural steel work shall be in accordance w/ AISC specification for the DESIGN, FABRICATION AND ERECTION of structural steel for building. Materials and parts necessary to complete each item, through such work is not shown or specified shall be included, such as bolts, anchor supports, braces and other connections. SHOP DRAWINGS as well as erection drawings shall be submitted by the contractor for approval by the DESIGNERS before any fabrication is made. 6.3. MATERIALS6.3.1All steel shapes shall conform to ASTM steel and shall have a minimum of thickness of 1.5 mm and Gauge # 18. 6.3.2Welding electrodes shall conform to AWS A.S.I. or E70 electrodes

6.4 FABRICATION

Field Fabrication shall be allowed upon approval by Resident Engineer, welding, chopping and all other works involved in the fabrication of roof frames shall be done w/ accuracy and the highest quality of workmanship within the allowable tolerance prescribed in the AISC specifications.

6.4.1WELDING

Temporary weld and assembly attachment shall; be kept minimum or avoided especially on top of workplace to avoid from accidents.

6.4.1.1If for any reason, believes that a defect exist in any weld, it shall be the contractors responsibility to repair questioned weld, to the satisfaction of the owner/ Engineers.

6.4.2 QUALITY CONTROL PROCEDURES

Shall be practiced by the fabrication to assure high quality in the work. Materials and workmanship shall be subjected to inspection by Architect/Owner Qualified inspectors. Fabricator shall Cooperate harmoniously with inspectors to avoid interruption in the work ,

when correction will be needed.6.4.3Before any STRUCTURAL STEEL FABRICATION OR LAYOUT is done by the contractor, all materials intended to be used by the contractor for the project shall be inspected for proper checking and approval of material thickness, quality and sizes. Failure on the part of the contractor to notify the qualified inspectors from the Owner to inspect materials intended to be used for the project before the start of any fabrication is at the risk of the contractor for any subsequent rejection.

SECTION NO. 7ROOFING/ TINS MITHRY7.1 ROOF SHEETS

Use pre-painting long-span roofing sheets, GA 24 Rib-type (white color) manufactured by puyat steel and laid in accordance w/ the manufacturers specification.

7.2 RIDGES, VALLEYS AND GUTTERS AND FLASHINGS

Use GA # 22 machine formed pre-painted valleys, gutters and flashings. other gutters shall be reinforced concrete shaped to dimension indicated on the plan. Unless otherwise indicated in the drawings, conductors and downspout shall not be smaller than 4 diameter PVC pipe embedded in the columns. For every conductor inlet, set complete one standard wire basket strainer using gauge # 16 wire.

7.3 Use 10 mm thickness Twin wall/ double wall cool gray polycarbonate on 2x4 GAUGE 18 EPOXY finished square tube. SECTION NO. 8

PLUMBING WORKS

8.1 SCOPE OF WORKS

The works included the following:

A. ROUGH-IN

a. Supply and installation of pipes and fittings for all sanitary lines & waterlines.

b. Supply and installation of storm sewer lines

c. Supply and installation of septic tank.

8.2 GENERAL

All works as described herein shall conform with the Bureau of Health and National Plumbing code 8.3 WATER SERVICES LINES

8.3.1Pipings shall be standard PN1O of the size as indicated in the drawing or as specified herein.8.3.2 WATER SUPPLY PIPE SIZE

Use PN10 pipes, 20 mm, 25 mm diameter & fittings.

8.4 WASTE-WATER AND SEWAGE SYSTEM

Piping for the sanitary lines shall be Atlanta PVC pipes. Water closet shall connect water directly to PVC lending to septic vault. Lavatories sink and floor drains shall connect to sewer lines w/ catch basins. Every plumbing fixture shall be separately provided w/ p-traps. All storm drain pipes shall connect to main sewer lines. All soil and waste stack and any vent shall project them to the roof of the building.

8.5 SEPTIC TANK

The contractor shall provide and install septic tank of such size and dimension as indicated in the drawing. It shall be installed or construct at the area designated by the designer. Plumbing connections shall be in accordance with the sanitary code of the Natural Plumbing Code. 8.6 PERFORMANCE TEST

It shall be the responsible of the contractor to test all system of the entire plumbing installation for the proper operational condition. The test shall be conducted in the presence of the qualified inspector or the Resident Engineer.

SECTION NO. 9

ELECTRICAL WORKS- ROUGH-IN

9.1 GENERAL SPECIFICATIONS

Work covered by this specification shall include furnishing all labor, materials, equipment and services required to construct and install the complete electrical system shown on accompanying plans and with the specifications.9.2 WORK INCLUDED

Under this section of the specifications, the contractor shall provide all materials and equipments and perform all the work necessary for the complete execution of all electrical works as shown on the electrical drawings as herein specified, scope of works shall include but not be limited to the following items of work

a. Installation of all PVC conduits on 50 mm diameter Atlanta brand 100 mm diameter IMC shall be installed for main lines. b. Electrical wires shall be included in the rough- in and shall be stranded wires

c. Panel board and breakers GE brand shall be installed as rough- in 9.3 PLANS AND DRAWINGS

The contract drawings, which constitute an integral part of this contract, shall serve as working drawings. They indicate the general lay-out of the complete electrical system and show arrangements of feeders, circuits, outlets, switches, controls, panel boards, etc. the contractor shall check architectural, structural and plumbing plans to avoid possible installation conflicts, should Drastic change from original plans, the contractor shall notify the Construction Manager or Resident Engineer to resolve such changes immediately.9.4 GUARANTEES

9.4.1 The contractor shall guarantee that the electrical systems are free from all grounds and from all defective workmanship and materials an will remain so far a period of 1 yr from the date of acceptance of the work. The contractor at his own expense shall remedy any defects, appearing within the aforesaid period.

9.5 SERVICE ENTRANCE EQUIPMENT

9.8.1The contractor shall furnish and install service entrance conduits and wires as indicated in the electrical plan. Installation of concrete pedestal post in included.

9.6 TELEPHONE and TV CABLE SYSTEM

The contractor shall lay-out interior wires, conduits junctions boxes for TV cable outlet and Telephone outlet as indicated on the drawings. Any changes or additions required for the proper operation of the system shall be supplied by the contractor without additional cost to Owner.

SECTION NO. 10

WATER PROOFING

10.1 Toilet & Bath Slabs on upper floors shall be provided w/ elastoflex water proofing.

10.2 Canopies, Concrete gutters and roof deck shall be provided w/ Rain or shine elastomeric putty, paint with superfine fish net on 7 coatings application.10.3 FLOODING TEST

Prior to acceptance of the Job, all water proofed floor surface shall be given 24 hrs flooding test. The contractor shall remedy at once any areas showing leakage.

10.4 GUARANTEE

The contractor shall guarantee that the works specified in this section shall be free from defects of materials and workmanship and leakage for the period of one year from the date of acceptance. This obligates the contractor to repair or resolve the defective work.

SECTION NO. 11

CARPENTRY WORKS- ROUGH-IN

11.1 Interior and Exterior ceiling shall be 3.5 mm thick Hardiflex boards framed w/ metal furring or light weight ceiling frames.

GENERAL SPECIFICATIONS

FINISHING WORKS

BLOCK 3SECTION NO. 1

TILEWORKS, FLOOR FINISHES AND WALL FINISHES

1.1 SCOPE WORKS

The work covered under this section shall include the complete labor and supply of materials, tools and equipments.

1.2 WORKMANSHIP

All works to be done under this section shall be done as shown in plans, and specified herein, in a workmanlike manner by skilled workers.

1.3 TILE PREPARATTION AND INSTALLATION

All cement surfaces to receive tiles or other finishes shall be structurally sound, plumb, and leveled. Apply adhesion in accordance with manufacturers recommendation.

1.4 GUARANTEE

Complete tile work, floor and wall finishes shall be guaranteed by the manufacturers against defects of materials and by the contractor against defects in workmanship for a period of one year from final acceptance by the owner.SECTION NO. 2

CARPENTRY

2.1 SCOPE

The contractor shall furnish all labor, materials, tools, plant, transportation, services and necessary to complete all finish carpentry and mill work as shown on the drawing or specified in the Bid form.2.2 GENERAL

All wooden or lumber requirements shall be well seasoned or kiln dried free from imperfections that may impair its strength, durability and appearance. All mouldings shall be mitered at corners and copped at angles.

SECTION NO. 3

PAINTING WORKS

3.1 SCOPE

The contractor shall furnish all labor, tools, equipment, materials and other services required to complete the entire painting work herein called for. Painting work shall include the painting of all interior and exterior masonry works, wood works, metal woks, mill works, walk-in closet and cabinets etc. as specified herein after and required thereto cornices, baseboards and doors and Jambs shall be semi-duco and varnish respectively.

3.2 WORKMANSHIP

3.2.1All work shall be done by skilled painters in a workmanship manner. All paints etc shall be evenly applied so as to be free from other defects. All brushes shall be cleaned and in good condition, heavy brushes are preferred.

3.3 MATERIALS

3.3.1Exterior and Interior paints shall be Rain or shine elastomeric paints, varnish for Doors and Jambs, EPOXY finish for all metal frames.

3.4 COLORS

3.4.1All colors of paints and varnishes shall be in accordance with color scheme as approved by the owner and the architect.

3.4.2Sample of the color to be used shall be submitted and that approval shall be strictly followed. No painting shall be started before these color schemes are approved by the owner and the architect.3.4.3The contractor shall be held responsible for repairs to his own other works made necessary by the defective workmanship or carelessness.

3.4.4All steel shall be sprayed with 2 coats EPOXY primer and 2 coats EPOXY high gloss paint, color to be decided by the owner and the architect.

SECTION NO. 4ALUMINUM, GLASSWORKS & DOORS

4.1 The contractor shall furnish all materials, labor, equipment, tools and service necessary to complete the aluminum and glassworks herein or shown on drawings.4.2Windows are powder coated aluminum frame (white) with screen and clear glass as indicated on the detailed plan.4.3Bathrooms shall be provided with sliding glass w/ powder coated aluminum frames w/ complete accessories.

4.4 All doors shall be installed w/ complete accessories and hard wares as specified on the drawings.SECTION NO. 5

PLUMBING WORKS-FINISHING

5.1 WORK INCLUDED

5.1.1 Furnish all labor, materials and equipment necessary for the completion of toilet and bathrooms accessories as shown on the drawing and specified herein.

5.1.2 All Fixtures such as water closets, Lavatories are HCG Brand with complete accessories. Color will be selected by the owner and architect.

5.1.3Shower head and shower value shall be US made chrome plated w/ adjustable shower head.5.2 INSTALLATION

All fixtures shall be installed firmly and carefully to avoid injury .They shall be installed with highly quality workmanship to the satisfaction of the owner.SECTION NO.6

ELECTRICAL WORK

6.1All materials on all systems shall comply with the following specifications, unless specifically accepted and all materials where not specified shall be of the best of their respective kind.

6.2All outlets, and switches shall be installed properly in accordance to electrical code in the Philippines. Brand of said fixtures shall be Panasonic. 6.3The contractor shall submit to the Architect Designer of all sample of all electrical fixtures including lights, switches and outlets. PREPARED BY:

ARCH. RENALD B. LOPEZ

A R C H I T E C T

ENGR. JESSIE OEDINARIO P R O J E C T E N G I N E E R

APPROVED BY:

MR. & MRS. EMMANUEL C. ECHAGUE

OWNER