• Tidak ada hasil yang ditemukan

1. Analysis Programming Guidlines The Medan Municipal Office (MMO), PT Twin Rivers Development (TRD) and the Deli Sultanate representative have agreed with the planning of developing two main functions on the project site, a boutique hotel and an apartmen

N/A
N/A
Protected

Academic year: 2019

Membagikan "1. Analysis Programming Guidlines The Medan Municipal Office (MMO), PT Twin Rivers Development (TRD) and the Deli Sultanate representative have agreed with the planning of developing two main functions on the project site, a boutique hotel and an apartmen"

Copied!
36
0
0

Teks penuh

(1)

1. Analysis & Programming Guidlines

The Medan Municipal Office (MMO), PT Twin Rivers Development

(TRD) and the Deli Sultanate representative have agreed with the planning of

developing two main functions on the project site, a boutique hotel and an

apartment. Some other additional functions are highly recommended as long as

their existence will fully support the theme of urban heritage tourism as well as

social, cultural and financial aspects of the entire redevelopment goal.

2. Location Analysis

This Boutique hotel will cater those who want to experience the heritage

and historical side of Medan city. The hotel is located right in the heart of the

heritage site of this city, exactly beside Maimoon Palace. Because of this location,

the hotel will be categorized as Urban Hotel.

The expensive land value (IDR 1.6 – 1.7 million) is one of the main reason to build this hotel as a 4* hotel.

(2)

3. User Analysis

Users User Profile F, F, & E

Requirement Activities

Guest

The guest as the easiest job at a hotel, to enjoy it. The guest are the paying customers to use the facilities, stay in the hotel room, dine in the restaurants and take advantage of the amenities required. Some guests stay for pleasure and other for business. All guest are treated with the best services and care by all staff.

 Bed

 Nightstand

 Accessories

 Closet

 Safe

 Toilet Shower Sink

 Telephone

 Internet access

 Eat

 Sleep

 Recreational Activities waiter/waitress, spa attendant, etc. These employees help with the daily activities and duties of the hotel. They arrive in shifts and help to maintain guest satisfaction of there hotel stay.

 Desk

 Chair

 Locker

 Telephone

 Computer

assistance to guests

(3)

Administr

ation

The administration is the head of the hotel operations. They are the leaders in there respective fields of general manager, restaurant manager, spa manager, operations, accountant human resources, activities coordinator, etc. Administration positions have to work in a fast-paced environment, with high levels of interaction with guests, employees, investors, and other

 Telephone

 Computer

The maintenance staff will be responsible for all back of the house activities. They would consist of housekeeping, electrical, mechanical, landscaping, and technology among others. This is a very important job to the entire hotel, they are the behind the scenes workers that make the guests stay and comfortable, clean, and disruption free experience.

 Storage

 Desk

 Chair

 Telephone

(4)

4. Activities Analysis

Function Activity Room Activities

character Main function - Rest

- Eat -

Self-cleaning

Bedroom Dining room Bathroom

Nonformal, relax Nonformal-formal Private, Nonformal User can be divided into :

Hotel Guest

Based on the profession and social economic status : - Employers

High prestige, upper middle class - Traders

Prestige factor is less prominent, lower middle class (tend to be simple and considering the economic aspects)

- Government officials

High prestige, upper middle class - The professional

High prestige, upper middle class Based on the length of stay :

- Travelers (Tourist) – Room Users

Visit and stay more than 24 hours as well as spending money to enjoy all the facilities provided by Hotel.

- Excursionist (Indonesia : Pelancong) – Non-users Room

Visit less than 24 hours, there are also those who spend money to enjoy the hotel facilities or just come to visit family, relatives and acquaintances.

Hotel Management

- Administration staff - General Manager - Manager assistant - Finance department staff - Marketing staff, etc.

Employees and Maintenance

(5)

5. User Activities Analysis

HOTEL GUEST USER

Function Activity Room Activities

character Administration Payment Receptionist,

lobby

Formal

Guestroom Sleep, rest, watching TV

Bedroom Nonformal,

private

Self-cleaning

Bathroom Nonformal,

private

Working Bedroom Nonformal,

private Eat/ drink Bedroom, coffee

shop/restaurant

Nonformal

Parking Parking area Nonformal

Work Meeting Meeting room Formal

Business Business centre Formal Meet relatives,

families, acquaintances

Lobby, coffe shop, bar, lounge, restaurant

Formal/ semi formal

Recreation Work-out Swimming pool, gymnasium

Nonformal

Shopping Retail Nonformal

Praying Worship place Nonformal Supporting

functions :

- Standard hotel type

Living room

Lobby, receptionist

*Based on the hotel type

Nonformal-formal, relax, recreatif Formal-nonformal,

informative

*Adjust the activity

Complementary functions : Hotel

storage, parking area, staff room, kitchen, service building

(6)

6. Hotel Guest User Activities Diagram

Hotel guest users activities diagram

HOTEL GUEST NON-USER

Function Activity Room Activities

character

Administration Search for information,waiting

Receptionist, lobby

Public

Work Meeting Meeting

room

Formal

Meet relatives, families, acquaintances

Lobby, coffe shop, bar,

lounge, restaurant

Formal/ semi formal

Urinate Toilet Nonformal

Parking Parking area Nonformal

Recreation Eat / Drink Restaurant,

coffee shop

Nonformal

Shopping Retail Nonformal

Praying Worship

place

Nonformal

ENTRY

LOBBY

LEISURE

CHECK-REST

EAT /

MEETING

PARKING

(7)

7. Hotel Guest non-User Activities Diagram

Hotel guest non-users activities diagram

HOTEL ADMINISTRATION STAFF

Function Activity Room Activities character

Work Administration Office, Back office Formal Guest

administration

Receptionist, front office

Formal

Eat / Drink Pantry, staff room Nonformal Staff meeting Meeting room Formal

Praying Worship place Nonformal

Urinate Toilet Nonformal

Parking Parking area Nonformal

8. Hotel Administration Staff Activities Diagram

Hotel administration staff activities diagram

ENTRY

LOBBY

LEISURE

BUSINESS

EAT /

MEETING

PARKING

ENTRY

ABSENT LOCKER

MEETING EAT /

DRINK

URINATE PARKING

(8)

EMPLOYEE

Function Activity Room Activities

character

Work

Cleaning the building, cleaning

tool storage

Storage service

Food preparation Kitchen service Serve the food /

pick-up plates

Service corridor,

service lift service Throw garbage Waste container service

Move luggage Service corridor,

service lift service Guestroom storage Storage service

Building

operational M & E room service Loading storage Loading dock Private, service Storage checking Receiving office Private

Security control Security Semi public Ballroom utilities Ballroom storage Private

F&B storage F&B storage Private Meeting Meeting room Semi Public

Urinate Staff toilet Nonformal Changing clothes Staff locker Private

Rest, eat/drink Pantry Nonformal Pray Worship place Nonformal Parking Parking area Nonformal

9. Hotel Employees Activities Diagram

Hotel Employees Activities Diagram

ENTRY

ABSENT LOCKER

LOADING PARKING

WORK

EAT/DRINK

URINATE

MEETING

(9)

10. Building Circulation

Horizontal Circulation

No. Circulation Type Advantage Disadvantage

1 Linear - Clear,

directional - Easy to

adjust - Easy to

access the building - Easy to

classified the function in the building

- Not efficient because needing more rooms - Straight

- Elbow

- Intersection

- Branch

- Curved

- Round

2 Radial - High

efficiency because the room nedded is minimal - Easy to

access some points

Circulstion is in the center

3 Grid - Easy to

access

(10)

Two systems of the circulation in the guestroom units :

Type Advantage Disadvantage

- Single Loaded - Maximiz

e natural

lightning

- Natural condition

ing in the

corridor

- Possible for both

side of

the room

to get the

natural

light

- Building mass

become

long

- Land use not

efficient

- Double Loaded - Access

between

spaces is

near

- More units in

one mass

- Maximal land use

- Not

efficient

for the

natural

conditioni

ng in the

corridor

11. Elevator ELEVATOR

 For every 100 rooms need to be served with 1 service elevator  For outstanding service, every 75 rooms serviced by 1 elevator  Capacity of the elevator is minimal 16 people

 Elevator must be capable to lift heavy luggage (suitcases or serving food table)

(11)

ESCALATOR

 Have the capacity to move large number of people  Can replace the step function

 Does not need to wait, except on the condition of human traffic  Make it easy for people to look around

 Smoothly move from one floor to another

EMERGENCY STAIRCASE (FIRE ESCAPE)  Requiring 80cm for the exit width

 Placed with a maximum distance of 30 meter (without sprinkler), and 45 meter (with sprinkler)

 At least two exit routes must be available  The capacity of an exit route must be adequate

12. Four Star Hotel Requirements

Guest Rooms

Four-star hotels usually have upscale furnishings, luxury bedding

and other amenities, including hair dryers, high-end bath products,

flat-screen televisions, internet and email connection, state-of-the-art electronic

devices and high-quality towels. The size of the room may vary based on

location.

Service

Any four-star hotel should offer a knowledgeable concierge, a bell

desk and valet parking. The concierge at this level property should be able

provide information as well as help with planning by making reservations.

(12)

Food and Beverage

Getting food at four-star hotel should be easy. This level hotel should

have a sit-down dining restaurant, a lounge and room service with extended

hours. It is likely that the on-site restaurant offers fine dining, while lighter

fare is available in the lounge. Many higher-end properties now also have

coffee carts or specialty snack kiosks in their lobbies.

Amenities

A four-star hotel should have a pool and fitness center, and many

also have full-service spas. If these services are not available on-site, many

four-star hotels have exchange programs with local gyms and/or spas. A

high-end gift shop is also often available.

Business Services

Not every four-star hotel offers a full range of business services, but

each should have current technology and a business center available for

guest use. Larger hotels will also have state-of-the art conference space.

13. Hotel Organization Structure

Position Function

General Manager - The head executive

- Responsible for the overall, etc. Executive Asst. Manager - General Manager’s assistant

- Responsible for briefing and updating the general manager, etc.

Room Division

House Keeping : - Maintain cleanliness of the entire hotel - Maintain hotel’s inventory

- Organize the circulation of linen - Carry linens, towels, toilet items, and

cleaning supplies, etc.

- Floor Section - Responsible for the cleanliness and maintenance of the rooms

- Public Area - Handle all matters regarding cleanliness, neatness, completeness, convenience, all common areas that affect the guest's interest to use the services at the hotel.

- Linen Section - Responsible for the provision, handling, storage and maintenance of linen. Front Office : - Departments that come in contact with

(13)

and service departments.

- Receptionist - Welcoming and greeting the guests. - Reservation - Arrange guest schedule that would

make reservation to stay at the hotel - Information - Visitor information centre

- Accommodate all suggestions, and complaints from the visitors.

- Cashier - Record the entry and exit of financial payments that made related to hotel guests

Food Division

Food Production - Fully responsible for the manufacture of food and beverages at the hotel. F&B Service :

- Bar

- Restaurant - Room Service - Banquet

- Provide facilities that related with the availability of the food and beverage for the visitors.

Personnel - Responsible for HDR and implement

human resource policies.

Accounting - Making journal, prepare financial

statements, analyzing, making the company can be more productive. Engineering - Repair / renovation so that equipment

and facilities are always look good and in accordance with the progress of time, etc.

Marketing : - Attract potential customers by giving motivation for buying products and hotel services.

- Reservation - Sell hotel product

- Promoting products and hotel amenities - Maintaining knowledge about the products and services available at the hotel such as price and promotional facilities, special rates etc.

- Convention - Provide facilities to meet the needs of large groups.

Purchasing - Procure and purchase items needed by the hotel, either directly (direct purchase) or indirectly (indirect purchase).

14. Zoning

(14)

Front of the house :

- Lobby - Coffee shop

- Lounge - Restaurant

- Public toilet - Ballroom - Front desk - Meeting room

- Administration - Recreation and work-out

- Retail - Public elevator

Back of the house :

- Service parking - Engineering - Receiving area - Service elevator - Employee room - Storage

- Laundry - Cafeteria

- Housekeeping - Food preparation

(15)

15. Parking

According to Sistem Bangunan Tinggi book, for a 4-stars hotel:

- Hotel 100 rooms = 100/5 = 20 cars.

- Ballroom = 750/10m2 = 75 cars.

- Staff = 147prsn x 10% = 15 cars.

- Staff motorbike = 1.6prsn/rooms x 100 rooms = 160 prsn

3 shift = 55 motorbikes.

- Total parking lot : 110 cars and 55 motorbikes.

The gross area for 1 car is 12.5m2, for 1 motorbike is 2m2.

110 car x 12.5m2 = 1.375m2

55 motorbike x 2m2 = 110m2

Total gross area with circulation 20% : (1.375 + 110)m2 x 1.2 = 1.782m2

16. Electrical Mechanical System

- Elevator

According to Sistem Bangunan Tinggi book, each 75 rooms in a hotel

need 1 passenger lift. Hence, with designated 100 rooms, the number of lifts

needed is 2 lifts. The minimum capacity of each lift is 16 persons. Within each

100 rooms, there must be a service lift. So, the hotel must have 1 service lift

17. Hotel Room Programming

11

Room Zone Capacity Coefficient Unit Total Gross

area Source

Lobby

Entrance Hall PB 100 0.6 /prsn 1 60 NAD

Receptionist PB 6 1.2 /prsn 1 7.2 NAD

Concierge PB 2 10 /prsn 1 20 ASU

Lounge PB 80 2 /prsn 1 160 NAD

Area Lift PB 15 0.6 /prsn 1 9 NAD Bellman

(16)

Retail

CIRCULATION 30% 388

TOTAL 1685M2

FOOD AND BEVERAGES OUTLETS

Restau

CIRCULATION 30% 127.89

TOTAL 554.2M2

Multifunction Hall

Multifu

CIRCULATION 30% 328.8

TOTAL 1424.83

Recreation center

(17)

area

CIRCULATION 30% 187.8

TOTAL 626M2 Ass. General

(18)

ge

Chief security

room SP 3 4.5 /prsn 1 13.5 NAD

CIRCULATION 30% 324.75

TOTAL 1082M2

GROSS AREA TOTAL 5372M2

PRIVATE AREA

Room

Standard PR 2 24 /room 60 1440 SUR Deluxe PR 2 48 /room 24 1152 SUR Executive PR 2 80 /room 12 960 SUR

Suite PR 4 100 /room 4 400 SUR

CIRCULATION 30% 1185.6

TOTAL 3952

GROSS AREA TOTAL 5137.6M2

TOTAL GROSS FLOOR AREA FOR HOTEL = 10510M2 Source information :

• NAD : Neufert, Ernest.1992.Data Arsitek,jilid 1 dan 2. Erlangga. Jakarta • TSS : De Chiara.Joseph, and John Calender.1973.Time Saver Standard • ASU : Assumtion

(19)

1. Analysis and Programming Guidlines

The Medan Municipal Office (MMO), PT Twin Rivers Development (TRD)

and the Deli Sultanate representative have agreed with the planning of developing two

main functions on the project site, a boutique hotel and an apartment. Some other

additional functions are highly recommended as long as their existence will fully

support the theme of urban heritage tourism as well as social, cultural and financial

aspects of the entire redevelopment goal.

2. Location Analysis

This Apartment will cater those who want to experience the heritage and

historical side of Medan city. The apartment is located right in the heart of the heritage

site of this city, exactly beside Maimoon Palace.

(20)

3. User Analysis

Users User Profile F, F, & E

Requirement Activities

Guest

The guest apartement can enjoy some facility like swimming pool and gym. Guest apartment can stay in the apartement because they have already buyed the unit apartement

 Bed

 Nightstand

 Accessories

 Closet

 Safe

 Toilet Shower Sink

 Telephone

 Internet access

 Eat apartment because they are sultanate's family. They can also use some facility in this apartment

 Bed

 Nightstand

 Accessories

 Closet

 Safe

 Toilet Shower Sink

 Telephone

 Internet access

 Eat including the unit, ext

 Desk

 Chair

 Locker

 Telephone

(21)

Administration

They collect money from every unit for monthly dues.

 Private Office

 Desk

 Chair

 Telephone

 Computer

 Break room

 Bathroom Facilities

 Eat

 Work

 Run daily appointme nts

 Lead employees

Maintenance staff

The maintenance staff will be responsible for all back of the house activities. They would consist of housekeeping, electrical, mechanical, landscaping, and technology among others. This is a very important job to the entire apartment, they are the behind the scenes workers that make the guests stay and comfortable, clean, and disruption free experience.

 Storage

 Desk

 Chair

 Telephone

 Computer

 Break room

 Bathroom Facilities

 Work

 Eat

(22)

4. Activities Analysis

Function Activity Room Activities

character Main function - living (rest, eat,

self cleaning)

-Apartment unit, including bedroom, living room, dining room, kitcen, bathroom

Private, Nonformal, Relax

Supporting function

- recreation, eat, social interaction

-Food court, cafe, swimming pool, fitness center, sauna, spa

Public, Nonformal, Relax Complementary

function

- Management - Service and

APARTMENT RESIDENTS

Function Activity Room Activity

character

Living Sleep, rest Bedroom Private, relax

Watching TV, rest Living room Private, relax

Eat Dining room Private, relax

Cook Kitchen Private, relax

Self-cleaning Bathroom Private, relax

Parking Parking lot Public

Recreation Social interaction, eat

Cafe, Food court Public, relax

Fulfilling daily necessities

Minimarket Public

Body & health care Gym, Swimming pool

Semi-Public, relax

NON-APARTMENT RESIDENTS / VISITORS

Function Activity Room Activity

character Visitors

accommodation

Looking for information, waiting, visiting residents

Receptionist, lobby Public, relax

Parking Parking lot Public

Recreation Social interaction, eat

Cafe, Food court Public, relax

Fulfilling daily necessities

Minimarket Public

Body & health care Gym, Swimming pool

(23)

APARTMENT MANAGEMENT

Function Activity Room Activity

character Administration -

Management

- Managing

apartment unit sales / rent

- Managing apartment usage

- Office Private, formal

Maintenance - Maintaining apartment utilities

- M&E room Private

5. Circulation

Building horizontal circulation system alternatives :

No. Circulation Type Advantage Disadvantage

1 Linear - Clear,

directional - Easy to

adjust - Easy to

access the building - Easy to

classified the function in the building

- Not efficient because needing more rooms - Straight

- Elbow

- Intersection

- Branch

- Curved

(24)

2 Radial - High efficiency because the room nedded is minimal - Easy to

access some points

Circulstion is in the center

3 Grid - Easy to

access

Not efficient because need lot of space for circulation, Circulation is confusing

Two systems of the circulation in the guestroom units :

Type Advantage Disadvanta

ge

- Single Loaded - Maximize

natural lightning - Natural

conditioni ng in the corridor - Possible for both side of the room to get the natural light

- Building mass become long - Land use

(25)

- Double Loaded - Access between spaces is near - More units

in one mass - Maximal

land use

- Not efficient for the natural conditioni ng in the corridor

6. Vertical Circulation ELEVATOR

 For every 100 rooms need to be served with 1 service elevator  For outstanding service serviced by 1 elevator

 Capacity of the elevator is minimal 16 people

 Elevator must be capable to lift heavy luggage (suitcases or serving food table)  Guestrooms should not be adjacent to the elevator machine room.

ESCALATOR

 Have the capacity to move large number of people  Can replace the step function

 Does not need to wait, except on the condition of human traffic  Make it easy for people to look around

 Smoothly move from one floor to another

EMERGENCY STAIRCASE (FIRE ESCAPE)  Requiring 80cm for the exit width

 Placed with a maximum distance of 30 meter (without sprinkler), and 45 meter (with sprinkler)

(26)

7. MID-CLASS APARTMENT WITH FACILITIES

Requirements:

1. Apartment’s room

There will be several types of rooms to accommodate prospective buyers and the Sultanate’s family, which are one-bedroom, two-bedroom, and three-bedroom apartments. The apartment rooms will have basic kitchen, living rooms, and

separate bedrooms with separate bathroom/toilet(s).

2. Services

The apartment will have a small receptionist/concierge to cater guests and those

who have other business such as prospective buyers and tenants for the café or

foodcourt in the apartment complex. There is also security and mailing service for

the apartment. Mailbox service is provided and located on each of the small

lobbies on the ground floor.

3. Ameneties (Facilities)

This apartment will have a foodcourt and café for public and a private fitness

facilities including a private swimming pool. This apartment will also provide

private parking space for each of the tenants of the apartment and public parking

combined with the visitors of the Maimoon Palace.

(27)

According to Time Saver Standards the human circulation started from the

entrance access to the vestibule or common hall which leads to numerous

directions. Another access to the inside of the apartments are outdoors area and

parking garage. From the common hall, there will be accesses to facilites (fitness

and swimming pool), commercial space (foodcourt and café), tenant storage room

and mail room. Pram room is optional.

8. Parking

According to Sistem Bangunan Tinggi book, for an apartment:

- Apartment 259 units, 59 motorcycles + 200 cars.

- Staff = 55 personels, 25 motorcycles + 30 cars

- Guest = 259 x 10% = 26 cars

- Total parking lot : 74 motorcycles + 256 cars.

The gross area for 1 car is 12.5m2, for 1 motorbike is 2m2.

256 car x 12.5m2 = 3.200m2

74 motorbike x 2m2 = 144m2

(28)

9. Electical Mechanical System

According to Sistem Bangunan Tinggi book, each 80 units in an apartment

need 1 passenger lift. Hence, with designated 226 units, the number of lifts needed is

3 lifts. The minimum capacity of each lift is 12 persons. Within each 100 rooms,

there must be a service lift. So, the hotel must have 1 service lift.

1.2.10 Programming Apartment

Business and Commercial Facilities

Room

Requirements

Sub-rooms Standard Source Capac ity

Receptionist 0,5-0,65 m2/person

NAD 5 3,5

Food Court Dining Room 1,3 m2/

person

NAD 300 390 509.6

Kitchen 20% Dining Room

Ladies Toilet 0,96 m2/unit

NAD 6 5,76

Urinioir 0,6 m2/unit NAD 6 3,66

Wastafel 0,6 m2/unit NAD 3 1,8

Addtional Souvenir Store

1,64 m2/person

AS 10 16,4 182,8

Retail AS 100

Total 1247.

5

Circulation 30% 372.2

5

Total + Circulation 1621.

(29)

Supporting Facilities

Room

Requirements Sub-rooms

Standart Sourc e

Capacity Large (m2)

Total 1127

.9

Circulation 30% 338.

37

Total + Circulation 1466

(30)

Service Facilities

Room

Requirements

Sub-rooms Standard Source Capacity Large (m2)

ME Room Generator Room

Musholla Shalat Room

Circulation 30% 219.99

(31)

Apartment Unit

Room

Requirements

Sub-room Standard Source Capacity Large (m2)

Circulation 30% 10.8

Total + Circulation 46.8

Room

Requirements

Sub-room Standard Source Capacity Large (m2)

Circulation 30% 13.9

(32)

Room

Requirements Sub-Requireme nt Room

Standart Source Capacity Large (m2)

Circulation 30% 18.4

Total + Circulation 79.8

NOTE:

NAD: Neufert Architect Data

AS: Assumption

TSS: Time Saver Standart

AJM: A.J METRIC

Total Large of Apartment Unit Apartement Unit

Rooms Large of Type Total

Type Studio 32 46.8 1497.6

Type 2 (3-4 person) 137 60.2 8247.6

Type 3 (5-6 person) 90 79.8 7128

TOTAL 16927

Total Large of Apartment (Whole) Facilities

Total + Circulation (m2)

Business and Commercial Facilities 1621.75

Supporting Facilities 1466.27

Service Facilities 953.316

Apartement Unit 16927

(33)
(34)
(35)
(36)

Referensi

Dokumen terkait

Catatan : Agar membawa dokumen perusahaan asli sesuai dalam isian kualifikasi serta menyerahkan rekaman/copy-nyaM. Demikian undangan dari kami dan atas perhatiannya

Pokja Pengadaan jasa Layanan Pengadaan Polda NTB akan melaksanakan [Pelelangan Sederhana] Pascakualifikasi dengan SPSE untuk paket pekerjaan sebagai berikut:..

Berdasarkan Laporan Realisasi Belanja Dana BOS yang disampaikan oleh masing-masing Satdikmen Negeri/Satdiksus Negeri sampai dengan Semester II tahun berkenaan sebagaimana

[r]

2016, kami panitia pengadaan jasa konsultansi pekerjaan Perencanaan Pembangunan Satpas Type 455 M2 Polres Tanjung Balai telah melaksanakan Evaluasi Penawaran yang

Namun, Hak Penguasaan Negara itu sendiri juga mempunyai sifat dari segi privat, yakni pada saat terjadinya suatu hubungan hukum antara Negara sebagai badan hukum

Tapi kalo saya harus membuang 7 elektron bisa-bisa energiku terkuras habis, maka sebaiknya saya ambil satu electron saja dari luar supaya electron valensiku menjadi 8.. Nah,

[r]