design compilation

TECHNOLOGICAL INSTITUTE OF THE PHILIPPINES

DEPARTMENT OF ELECTRICAL ENGINEERING

EE552D1 EE51FA1

1ST SEMESTER S.Y. 2014-2015

COMPILATION

OF

ELECTRICAL WIRING SYSTEM DESIGN

SUBMITTED BY: October 11, 2014

Bulaong, Richard Renz Date Submitted

Dela Rosa, Rhom Justin

Espinas, John Matthew

Javier, Mark Jervis

Toy, Leonel M.

ENGR.EDGARDO O. DOMINGO, PEE

INDUSTRY LECTURER

1

LETTER OF TRANSMITTAL

ENGR. Edgardo O. Domingo (PEE)

Technological Institute of the Philippines

1338 Arlegui St. Quiapo, Manila

Dear Sir,

In Partial Fulfillment of the requirements in EE552D1 (Electrical Wiring

System Design) we hereby submit to you our Electrical Wiring System Design,

Compilation of Basic Information of Preparing Electrical Plan, Electrical Design of

Multi-Family Dwelling Unit, Commercial Building and Industrial Building.

We hope that this report will merit your approval.

Respectfully Yours,

Bulaong, Richard Renz



Javier, Mark Jervis

Toy, Leonel M.

2

Acknowledgement

First and Foremost we offer our sincerest gratitude to our God Almighty, who

remains our constant guide and counselor in our whole life. And of course, for our

Family who continuously give their love and support, morally and financially.

We would like to request profound gratitude also to our mentor, Engr.

Edgardo O. Domingo (PEE) for his supervision and useful suggestions throughout

this Electrical Wiring System Design. His support and continuous guidance enable

us to complete our work successful.

Recognition also goes to all of our Colleagues in TIP-MANILA.

To all of you, we extend our endless acknowledgement for helping us to

arrive at the final completion of this report.

3

APPROVAL SHEET

Date: October 10, 2013

To: ENGR. Edgardo O. Domingo (PEE)

Technological Institute of the Philippines

1338 Arlegui St. Quiapo, Manila

Sir,

In Partial Fulfillment of the Requirements for the Degree of Bachelor of

Science in Electrical Engineering, this requirements in EE552D1 (Electrical Wiring

System Design) we hereby submit to you our Electrical Wiring System Design,

Compilation of Basic information of preparing Electrical Plan, Electrical Design of

Multi-Family Dwelling Unit, Commercial Building and Industrial Building.

Submitted By:




Javier, Mark Jervis

Toy, Leonel M.

Design Title Grade

1 Multi-Family Dwelling Unit

2 Commercial Building

3 Industrial Building

Approved By:


INDUSTRY LECTURER

4

Design Problem

1. Prepare a complete technical report and electrical system design of a

Multi-Family Dwelling unit, commercial and industrial building based on

your approved model.

2. Prepare a complete electrical plan, technical specification and budgetary

cost estimate of each structure.

Design/ Technical Report Requirements

a. Prepare and submit a report concerning the following topic:

1. Principle of Electrical System Design

a. Concept of Electrical Wiring and design provision

b. Code, standards and General Specification

c. Electrical Plan

d. Electrical wiring permit and Final Certificate of Electrical Inspection

e. Electrical estimating/ Budgetary Cost Estimate

f. Other design constraints

b. Prepare and submit a complete electrical plan of the following:

1. Multi-family Dwelling Unit – At least 4-2 level dwelling unit with at least

150m2 floor area/ unit . Use 230V, 1Ø or 3Ø, 60Hz power supply.

2. Commercial Structure – At least 5 level 800m2 /floor, commercial building.

Use 230V, 3Ø, 60Hz power supply.

3. Industrial Plant – At least 1500m2 , one level industrial plant. Use (any

voltage of your choice, 480V, 460V, 400V, 380V, 230V, 3Ø, 60Hz power

supply.

5

Introduction

Electrical system design is a design of group of electrical components

connected to each other to carry out its operation whether it is through lighting,

convenience outlet, and/or motors. It is important to provide design prior to

construction of building in order to give customers a summary of the process of each

of its electrical equipment. Also, it is important in order to provide the cost estimate

for the electrical services in designing the whole electrical system of his

establishments.

It is a must that each design engineers should follow or go beyond the

minimum requirements as stated in newest edition of the Philippine Electrical Code

(PEC). PEC serves as the basis of each design engineers for justification of his

design in order to ensure that the design is safe from harm, has the capability to

handle each electrical load, reliable, and values money.

Before designing, design engineers shall consider different factors such as

nature of building, whether it is a dwelling unit, commercial or industrial, the

equipments to be used, and the source supply to be used whether it is single phase

or three phase system.

A ‘hard copy’ of the design shall be made, also known as the electrical plan.

The electrical plan shall be concise and accurate in a manner that it would be

understood not only by the engineer but also the people/electrician who are going to

do the electrical system of the establishment. It must consist of the following parts;

General Notes and Specification, which states the specification that could not be

written in the load schedule and the guidelines that the design engineer follow in

creating the plan; Location Plan and site development plan, shows the location of

the site and the portion that the work would be done; Riser Diagram, it is a one-line

diagram that shows the location and inter-connection of the integral parts of the

system such as panel boards, CATV, telephone system, etc; Load Schedule and

computation, a table that shows the electrical load that would be used in the system

along with its volt-ampere rating, breaker to be used, and the sub-feeder wire to be

used. It is important to consult the PEC in creating the load schedule since it

provides a recommendation ampere rating for some of the load. Also, in the load

6

schedule, the design engineer computes the total connected load, in ampere. With

that, the engineer will recommend the main feeder wire to be used in the system;

next would be the electric layout, this will show the power layout, or the connection

of each branch circuit of convenience outlet, the lighting layout, which shows the

reflected ceiling plan of the system and the connection of each lighting per branch

circuit, and the auxiliary layout, which shows additional devices that would be used

in the system such as cable TV, telephone system, or CCTV. Also, title block must

be provided in order to properly label the design along with the proper scaling for the

electrical layout.

Once the electrical plan is completed, Professional Electrical Engineers will

sign and seal the plan ensuring that every detail in the plan is compliant with the

Philippine Electrical Code.

7

COMPILATION

OF

ELECETRICAL SYSTEM

DESIGN 1

8


1338 ARLEGUI ST. QUIAPO, MANILA


EE552D1 EE51FA1


DESIGN NO. 1

DESIGN OF A 4-3 STOREY MULTI-FAMILY DWELLING UNIT

SUBMITTED BY: GRADE




Javier, Mark Jervis

Toy, Leonel M.


9

INDUSTRY LECTURER

Objectives

1. To provide the students basic knowledge, understanding and skills in

designing electrical wiring system for residential, commercial and small

industrial and infrastructure facilities through the existing provision of

electrical system design and its specifications and standard mandated by

Philippine Electrical Code (PEC) and provision provided by Local Government

and utility companies of electrical wiring installation

2. To provide the students’ knowledge and skills in estimating/ preparing

budgetary cost estimate analysis on feeder load circuit and selection of feeder

protection based on manufacturer’s standards.

Design Problem







c. Prepare and submit a report concerning the following topic:




c. Electrical Plan




d. Prepare and submit a complete electrical plan of the following:







supply.

10

Introduction

Electrical system design is a design of group of electrical components

connected to each other to carry out its operation whether it is through lighting,

convenience outlet, and/or motors. It is important to provide design prior to

construction of building in order to give customers a summary of the process of each

of its electrical equipment. Also, it is important in order to provide the cost estimate

for the electrical services in designing the whole electrical system of his

establishments.






Before designing, design engineers shall consider different factors such as

nature of building, whether it is a dwelling unit, commercial or industrial, the

equipments to be used, and the source supply to be used whether it is single phase

or three phase system.

A ‘hard copy’ of the design shall be made, also known as the electrical plan.

The electrical plan shall be concise and accurate in a manner that it would be

understood not only by the engineer but also the people/electrician who are going to

do the electrical system of the establishment. It must consist of the following parts;

General Notes and Specification, which states the specification that could not be

written in the load schedule and the guidelines that the design engineer follow in

creating the plan; Location Plan and site development plan, shows the location of

the site and the portion that the work would be done; Riser Diagram, it is a one-line

diagram that shows the location and inter-connection of the integral parts of the

system such as panel boards, CATV, telephone system, etc; Load Schedule and

computation, a table that shows the electrical load that would be used in the system

along with its volt-ampere rating, breaker to be used, and the sub-feeder wire to be

11

used. It is important to consult the PEC in creating the load schedule since it

provides a recommendation ampere rating for some of the load. Also, in the load

schedule, the design engineer computes the total connected load, in ampere. With

that, the engineer will recommend the main feeder wire to be used in the system;

next would be the electric layout, this will show the power layout, or the connection

of each branch circuit of convenience outlet, the lighting layout, which shows the

reflected ceiling plan of the system and the connection of each lighting per branch

circuit, and the auxiliary layout, which shows additional devices that would be used

in the system such as cable TV, telephone system, or CCTV. Also, title block must

be provided in order to properly label the design along with the proper scaling for the

electrical layout.




12

Architectural PlanFloor Plan

Equipment LayoutReflected Ceiling Plan

Power Layout

13

Power and Lighting Layout with Branch Circuit Connection

Technical Specification

PART 1 – GENERAL

1.1 Description

A. The work under this Division specification consists of Electrical Systems and other related works, such as but not limited to fabrication, supply, delivery, coordination and installation, shall be complete in all aspects for a proper completion and turnover of the project except to those portion clearly stated to be done by others.

14

B. All works to be done shall be in accordance with the latest edition of Philippine Electrical Code (PEC), National Building Code, Regulation of locality, Utility provider, Manufacturer standard, other Governing applicable codes and this Specification.

C. This Specification provide a broad outline, understanding of the required system and other associated equipment requirements for the project, but not includes all detail in the design and construction.

1.2 Work Included

A. Under this Division of specification and as shown in plans, provide all materials, equipment including all necessary accessories and perform all the work needed to complete execution of electrical system but not limited to the following main items:

1. Supply and installation of APPROVED, COORDINATED and COMPLETE power services as shown in the plans.

2. Supply and installation of APPROVED, COORDINATED and COMPLETE electrical system as shown in the plans.

3. Supply and installation of APPROVED, COORDINATED and COMPLETE grounding system as shown in the plans.

4. Supply and installation of APPROVED, COORDINATED and COMPLETE wiring devices and accessories.

5. Termination of all electrical system including all electrical equipment and devices.

6. Painting of all exposed electrical conduits, enclosures and other equipment as required by the Architect.

7. Perform complete testing and commissioning of all electrical power and lighting systems.

8. Payment for Electrical Permit and Securing Certificate of Electrical Inspection.

9. If anything has been omitted for any items of materials or work that are necessary for the completion of this project, such item is deemed included in this division of work.

1.3 Abbreviations and DefinitionsA. Abbreviations:

PEC - Philippine Electrical CodePD 1096 - National Building CodeRA9514 - Fire Code of the PhilippinesANSI - American National Standards InstituteASTM - American Society for Testing and MaterialsNETA - International Electrical Testing Association

(Formerly National Electrical Testing Association)

NEC - National Electrical CodeNFPA - National Fire Protection AssociationNEMA - National Electrical Manufacturer’s AssociationIEEE - Institute of Electrical and Electronic EngineerUL - Underwriters’ LaboratoriesIEC - International Electro-Technical CommitteeCE - Council of EuropeIPCEA - Insulated Power Cable Engineers Association

15

CBM - Certified Ballast Manufacturers AssociationIES - Illuminating Engineering Society

B. Definitions:

Approved meaning materials, shop drawings, layout, etc. Which shall be checked, review and acceptable to the standard of Authority having jurisdiction. (Design Engineer, Architect, Owner, and Building or local Officials)

Recommended meaning preferred but not mandatory

Shall meaning mandatory

Should meaning desirable, dissimilarity to mandatory1.4 Guarantees

A. The Contractors shall guarantee that the entire electrical systems are free from all kinds of defect (workmanship and materials) with a minimum covered period of two (2) years from the final date of acceptance of the owner. Except for those guarantees or warranties for longer terms are provided or specified herein, the longer term shall apply.

PART 2 – PRODUCT

2.1 Material Standards

A. All Materials to be use shall be brand new, in good conditions, free from any defects, damage and corrosion.

B. All Materials shall conform and certified or listed to a reputable 3rd party certifying body, such as UL, IEEE, NEMA, IPCEA and ASTM, on where such standard has been established for particular types of materials.

C. Sample of any materials shall be submitted to Design Engineer and Architect for approval.

D. All Materials shall be approved from both location and purposed intended.

2.2 Approvals, Substitutions, Samples and Submittals

A. All materials prior to installation, fabrication or order contractor shall secure approval from Design Engineer and Architect based on Material standard specification. All materials shall be brand new and delivered to site with their original packaging.

B. Contractor shall submit material catalogue, brochures, product specification, product certificate from reputable 3rd party certifying bodies, shop drawings, samples, test report etc to Engineer and Architect for review and approval.

C. Contractor shall prepare and submit to the Engineer shop drawings and cuts of all equipment, appliances and fixture to be furnished for review, comments and approval.

16

D. The reviews of submittals are intended for general compliance to the design concept and contact documents. Contractor shall be fully responsible for details and accuracy for confirming and correlating all quantities and dimensions and for coordinating the work with other trade, contractor shall prepare and submit shop drawings for Engineer and Architect review and approval.

2.3 Wires, Cables and Busbars

A. All wires and cables shall comply with the requirements of applicable standards and 3rd party certifying body such as UL, ASTM, and IPCEA.

B. All wires shall be copper with 99.9% conductivity, soft-drawn and annealed.

C. All wires shall be 230V rated THHN/THWN, unless otherwise indicated.

D. Minimum size for Lighting and power system shall be 3.5mm2

THHN/THWN.

2.4 Conduit, Fittings, Hanger and Supports

A. The use of Metallic and Non-Metallic conduit depends on the area where it will be installed, as indicated on plans.

B. No Conduit smaller than 15mm.dia. Electrical trade size shall be used and conduit shall not be bend more than 3 times with the radius of 90degree.

C. The interior and exterior of metallic conduits shall be standard weight, mid steel, hot-dip galvanized and interior coating.

D. Conduit shall be provided with guy-wires for wire pulling.

E. Conduit shall be properly sealed to avoid entry of foreign object, dust, moisture, water etc.

F. 1.5 Meter should be the spacing from one conduit support to another support. By means of C channels clamps, or by U-bolt.

2.5 Outlets, Boxes, Pull Box and Fittings

A. Outlet boxes shall be galvanized deep-type pressed-steel of standard gauge #16.

B. All outlets, boxes and pull box shall be provided with suitable fittings.

C. Boxes without wiring device shall be provided with suitable metal cover plate as manufactured standard.

17

D. Pull boxes shall be powder coated, hinge type and minimum of gauge #16 depending on the size. Contractor shall submit shop drawing and secure approval from the Engineer and the Architect of pull boxes size and location before fabrication and installation.

2.6 Wiring Devices

A. All plates (Appearance and color) for receptacle, switched and special outlet shall be approved by Architect, Interior Designer and Owner.

B. Receptacle outlet shall be grounding type 2 wires, rated at 10 Ampere, 240Volts. Termination shall be quick – connect.

C. Special outlet shall be grounding type rating as indicated in the plans.

2.7 Panels, Breakers and Disconnecting Means

A. Panels shall be fabricated by a reputable fabricator. Only one brand of circuit breaker will be allowed for the entire project. Using multiple or combination of brand will be rejected.

B. All Panel and cabinet shall be gauge # 16, with dead front construction furnish, light gray enamel in color, powder coated.

C. Standard Grounding busbars shall be provided in all panels, minimum size of grounding busbars should be 50% of the line busbars.

D. As Indicate in the plans, provide individual disconnect switch and circuit breakers.

E. Contractor must first secure approval from the Engineer prior to fabrication and delivery. Contractor must submit shop drawings of panel boards, in full details including location, cable entry and exit, dimension of panel (Wire Gutter and Breaker Area), brand of breaker, and size of busbars Line, Ground and Neutral if applicable.

F. Individual circuit breaker sensitivity shall be always coordinated between its circuit breaker.

G. Disconnecting means shall be lockable type, push button station that can be locked in the open position unless otherwise specified in plans.

2.8 Grounding System

A. Grounding Busbars and wires shall be compliant with the latest PEC.

B. All the electrical panel boards or cabinets disconnect and equipments shall be properly grounded and bonded.

C. Electrical contractor shall be responsible in insuring the continuity and resistance to the ground having the maximum rating of 5 ohms for power and 3 ohms for auxiliary. Contractor shall submit test result to the engineer

18

Complete Electrical Plan

Conclusion

20

After doing the design, the group has learned a lot of ideas and concept

regarding electrical system design. From basic construction of electrical plan, power

layout, and lighting layout up to computation of load in the load schedule.

The group learned that designing is not as easy at looks like since as design

engineers, the group had the luxury to design where they believe the system would

be efficient without compromising the standards imposed by the PEC. PEC has

been a great help for the group from the start of the design up to the last detail of it.

References:

Philippine Electrical Code 2009. (2009).

21

DESIGN NO. 2

DESIGN OF A COMMERCIAL BUILDING


22



EE552D1 EE51FA1


DESIGN NO. 2

DESIGN OF A COMMERCIAL BUILDING

SUBMITTED BY: GRADE




Javier, Mark Jervis

Toy, Leonel M.


INDUSTRY LECTURER

Objectives

23







4. To provide the students knowledge and skills in estimating/ preparing



Design Problem







e. Prepare and submit a report concerning the following topic:




c. Electrical Plan




f. Prepare and submit a complete electrical plan of the following:







supply.

Introduction:

24

Commercial unit is used for the whole system of an economy that

constitutes an environment for business. It may be office buildings,

warehouse or retail. In urban locations, a commercial building often combines

functions, such as an office on level 2-10, with retail on floor 1. Local

authorities commonly maintain strict regulations on commercial zoning, and

have the authority to designate any zoned area such as, a business must be

located in a commercial area or area zoned at least partially for commerce.

This project covers Electrical System Design for Commercial Units.It

also includes preparation of plans, technical and specifications, load analysis,

power and lighting design layouts, the load schedule and the location of panel

boards. We also define the major components of electrical plans and

conducted electrical load and analysis for the selection of feeder wires and

circuit breakers in this system design. We also prepared an electrical riser

diagram indicating the load circuit directory and selected a proper grounding

conductors for this kind of a three phase system unit.

25

DESIGN NO. 3

DESIGN OF A INDUSTRIAL BUILDING


26



EE552D1 EE51FA1


DESIGN NO. 3

DESIGN OF A INDUSTRIAL BUILDING

SUBMITTED BY: GRADE




Javier, Mark Jervis

Toy, Leonel M.


INDUSTRY LECTURER

Objectives

27







6. To provide the students knowledge and skills in estimating/ preparing



Design Problem







g. Prepare and submit a report concerning the following topic:




c. Electrical Plan




h. Prepare and submit a complete electrical plan of the following:

10.Multi-family Dwelling Unit – At least 4-2 level dwelling unit with at least


11.Commercial Structure – At least 5 level 800m2 /floor, commercial building.




supply.

28

Introduction

A substation is a part of an electrical generation, transmission,

and distribution system. Substations transform voltage from high to low, or the

reverse, or perform any of several other important functions. Between the generating

station and consumer, electric power may flow through several substations at

different voltage levels.









29

http://en.wikipedia.org/wiki/Voltage

http://en.wikipedia.org/wiki/Electric_power_distribution

http://en.wikipedia.org/wiki/Electric_power_transmission

http://en.wikipedia.org/wiki/Electricity_generation

Architectural Plan

Technical Specification

30

PART 1 – GENERAL

1.1 Description

D. The work under this Division specification consists of Electrical Systems

and other related works, such as but not limited to fabrication, supply,

delivery, coordination and installation, shall be complete in all aspects for a

proper completion and turnover of the project except to those portion

clearly stated to be done by others.

E. All works to be done shall be in accordance with the latest edition of

Philippine Electrical Code (PEC), National Building Code, Regulation of

locality, Utility provider, Manufacturer standard, other Governing applicable

codes and this Specification.

F. This Specification provide a broad outline, understanding of the required

system and other associated equipment requirements for the project, but

not includes all detail in the design and construction.

1.2 Work Included

A. Under this Division of specification and as shown in plans, provide all

materials, equipment including all necessary accessories and perform all

the work needed to complete execution of electrical system but not limited

to the following main items:

10.Supply and installation of APPROVED, COORDINATED and

COMPLETE power services as shown in the plans.


COMPLETE electrical system as shown in the plans.


COMPLETE grounding system as shown in the plans.


COMPLETE wiring devices and accessories.

14.Termination of all electrical system including all electrical equipment

and devices.

15.Painting of all exposed electrical conduits, enclosures and other

equipment as required by the Architect.

31

16.Perform complete testing and commissioning of all electrical power and

lighting systems.

17.Payment for Electrical Permit and Securing Certificate of Electrical

Inspection.

18. If anything has been omitted for any items of materials or work that are

necessary for the completion of this project, such item is deemed

included in this division of work.

1.3 Abbreviations and Definitions

C. Abbreviations:

PEC - Philippine Electrical Code

PD 1096 - National Building Code

RA9514 - Fire Code of the Philippines

ANSI - American National Standards Institute

ASTM - American Society for Testing and Materials

NETA - International Electrical Testing Association

(Formerly National Electrical Testing

Association)

NEC - National Electrical Code

NFPA - National Fire Protection Association

NEMA - National Electrical Manufacturer’s Association

IEEE - Institute of Electrical and Electronic Engineer

UL - Underwriters’ Laboratories

IEC - International Electro-Technical Committee

CE - Council of Europe

IPCEA - Insulated Power Cable Engineers Association

CBM - Certified Ballast Manufacturers Association

IES - Illuminating Engineering Society

D. Definitions:

Approved meaning materials, shop drawings, layout, etc. Which shall be

checked, review and acceptable to the standard of Authority having

jurisdiction. (Design Engineer, Architect, Owner, and Building or local

Officials)

Recommended meaning preferred but not mandatory

Shall meaning mandatory

Should meaning desirable, dissimilarity to mandatory

1.4 Guarantees

A. The Contractors shall guarantee that the entire electrical systems are

free from all kinds of defect (workmanship and materials) with a minimum

32

covered period of two (2) years from the final date of acceptance of the

owner. Except for those guarantees or warranties for longer terms are

provided or specified herein, the longer term shall apply.

PART 2 – PRODUCT

2.1 Material Standards

E. All Materials to be use shall be brand new, in good conditions, free from

any defects, damage and corrosion.

F. All Materials shall conform and certified or listed to a reputable 3rd party

certifying body, such as UL, IEEE, NEMA, IPCEA and ASTM, on where

such standard has been established for particular types of materials.

G. Sample of any materials shall be submitted to Design Engineer and

Architect for approval.

H. All Materials shall be approved from both location and purposed intended.

2.2 Approvals, Substitutions, Samples and Submittals

E. All materials prior to installation, fabrication or order contractor shall secure

approval from Design Engineer and Architect based on Material standard

specification. All materials shall be brand new and delivered to site with

their original packaging.

F. Contractor shall submit material catalogue, brochures, product

specification, product certificate from reputable 3rd party certifying bodies,

shop drawings, samples, test report etc to Engineer and Architect for

review and approval.

G. Contractor shall prepare and submit to the Engineer shop drawings and

cuts of all equipment, appliances and fixture to be furnished for review,

comments and approval.

H. The reviews of submittals are intended for general compliance to the

design concept and contact documents. Contractor shall be fully

responsible for details and accuracy for confirming and correlating all

quantities and dimensions and for coordinating the work with other trade,

contractor shall prepare and submit shop drawings for Engineer and

Architect review and approval.

33

2.3 Wires, Cables and Busbars

E. All wires and cables shall comply with the requirements of applicable

standards and 3rd party certifying body such as UL, ASTM, and IPCEA.

F. All wires shall be copper with 99.9% conductivity, soft-drawn and

annealed.

G. All wires shall be 230V rated THHN/THWN and as manufactured by

Duraflex.

H. Minimum size for Lighting and power system shall be 3.5mm2

THHN/THWN.

2.4 Conduit, Fittings, Hanger and Supports

G. The use of Metallic and Non-Metallic conduit depends on the area where it

will be installed, as indicated on plans.

H. Metallic conduits to be used shall be Panasonic Intermediate Metallic

Conduit and Neltex Pipes and fittings for non-metallic conduits.

I. No Conduit smaller than 15mm.dia. Electrical trade size shall be used and

conduit shall not be bend more than 3 times with the radius of 90degree.

J. The interior and exterior of metallic conduits shall be standard weight, mid

steel, hot-dip galvanized and interior coating.

K. Conduit shall be provided with guy-wires for wire pulling.

L. Conduit shall be properly sealed to avoid entry of foreign object, dust,

moisture, water etc.

M. 1.5 Meter should be the spacing from one conduit support to another

support. By means of C channels clamps, or by U-bolt.

2.5 Outlets, Boxes, Pull Box and Fittings

E. Outlet boxes shall be galvanized deep-type pressed-steel of standard

gauge #16. As manufacture by “FUMACO”.

34

F. All outlets, boxes and pull box shall be provided with suitable fittings.

G. Boxes without wiring device shall be provided with suitable metal cover

plate as manufactured standard.

H. Pull boxes shall be powder coated, hinge type and minimum of gauge #16

depending on the size. Contractor shall submit shop drawing and secure

approval from the Engineer and the Architect of pull boxes size and

location before fabrication and installation.

2.6 Wiring Devices

D. All plates (Appearance and color) for receptacle, switched and special

outlet shall be approved by Architect, Interior Designer and Owner.

E. Receptacle outlet shall be grounding type 2 wires, rated at 10 Ampere,

240Volts. Termination shall be quick – connect. As manufactured by

Panasonic.

F. Special outlet shall be grounding type rating as indicated in the plans.

2.7 Panels, Breakers and Disconnecting Means

H. Panels shall be fabricated by a reputable fabricator. Only one brand of

circuit breaker will be allowed for the entire project. Disconnecting means

to be used shall be “Chint, Bolt on type” circuit breaker.

I. All Panel and cabinet shall be gauge # 16, with dead front construction

furnish, light gray enamel in color, powder coated.

J. Standard Grounding busbars shall be provided in all panels, minimum size

of grounding busbars should be 50% of the line busbars.

K. As Indicate in the plans, provide individual disconnect switch and circuit

breakers.

L. Contractor must first secure approval from the Engineer prior to fabrication

and delivery. Contractor must submit shop drawings of panel boards, in full

details including location, cable entry and exit, dimension of panel (Wire

Gutter and Breaker Area), brand of breaker, and size of busbars Line,

Ground and Neutral if applicable.

35

M. Individual circuit breaker sensitivity shall be always coordinated between

its circuit breaker.

N. Disconnecting means shall be lockable type, push button station that can

be locked in the open position unless otherwise specified in plans.

2.8 Grounding System

D. Grounding Busbars and wires shall be compliant with the latest PEC.

E. All the electrical panel boards or cabinets disconnect and equipments shall

be properly grounded and bonded.

F. Electrical contractor shall be responsible in insuring the continuity and

resistance to the ground having the maximum rating of 5 ohms for power

and 3 ohms for auxiliary. Contractor shall submit test result to the engineer.

36

Complete Electrical

Plan

Conclusion

After doing the design, the group has learned a lot of ideas and concept

regarding electrical system design. From basic construction of electrical plan, power

layout, and lighting layout up to computation of load in the load schedule.

37

The group learned that designing is not as easy at looks like since as design

engineers, the group had the luxury to design where they believe the system would

be efficient without compromising the standards imposed by the PEC. PEC has

been a great help for the group from the start of the design up to the last detail of it.

References:

Philippine Electrical Code 2009. (2009).

38

design compilation

Documents

electrical plan0

electrical wiring permit

concept of electrical

complete electrical

design provision0

design constraints

complete technical report

rhom justinespinas