⚡ Trusted Electrical, Mechanical & Civil Engineering Contractor
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TRUSTED ELECTRICAL, MECHANICAL & CIVIL CONTRACTOR

Building Network Reliability & Precision Construction

PT Askana Jaya Santoso is your strategic partner for medium-voltage (JTM) & low-voltage (JTR) electrical distribution networks, switching substations, and civil buildings with full compliance to HSE & international quality standards.

Project Consultation (WhatsApp) View Project Experience
Field Crew of PT Askana Jaya Santoso
Certified HSE Crew in Full PPE

Field uniform standard: Purple workwear with high-visibility yellow sleeves, safety hard hat, and protective goggles.

8+ Years
Industry Track Record (Since 2016)
100%
Zero Accident & HSE Commitment
ISO
9001:2015 & 45001:2018 Certified
SBU
ESDM JTM/JTR & LPJK Building
PARTNERS & CLIENTS PORTFOLIO

Trusted by Leading Institutions & Corporations

Sustainable synergy in building and maintaining national electrical system reliability and construction projects:

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Company Profile

Dedicated to Quality & Reliability

Established on October 18, 2016 in Semarang, PT Askana Jaya Santoso continues to grow as a specialist contractor trusted across strategic electrical and civil engineering projects.

About PT Askana Jaya Santoso

PT Askana Jaya Santoso (AJS) operates under official Indonesian government legalization via Ministry of Law and Human Rights Decree No. AHU-0138500.AH.01.11 and Business Identification Number (NIB) 8120008840526. We possess dedicated technical teams and certified engineering specialists providing mechanical, electrical, and civil construction contract services.

With utmost integrity, strict workplace safety supervision, and modern technical equipment, we ensure every project is completed on schedule with deliverables that meet technical specifications and SNI/LMK standards.

Integrity & Superior Quality

All materials and installation procedures strictly adhere to SNI quality standards and PLN technical specifications.

Certified Engineering Specialists

Supported by certified Technical Directors (PJT), Licensed Electrical Safety Experts, and General Safety Specialists.

Safety First Priority

Implementing ISO 45001 HSE management system with consistent Zero Accident target across all project sites.

Staff and Management of PT Askana Jaya Santoso
Professional Management & Staff

Corporate staff dressed in neat formal office attire reflecting corporate purple identity.

VISION

To Become a Leading & Sustainable Construction Enterprise

To become a premier, trusted mechanical, electrical, and civil construction contractor that grows sustainably through engineering professionalism and partner satisfaction.

MISSION

Maximum Service Commitment

  • Fulfilling high-standard construction requirements with competitive pricing and stellar service.
  • Training and recruiting competent personnel dedicated to a rigorous workplace safety culture.
  • Delivering optimal and enduring value to our shareholders, partners, and community.
Core Competencies

Comprehensive Construction Solutions

Backed by official ESDM and LPJK Business Entity Certificates (SBU), we execute electrical engineering projects from low to medium voltage and building construction.

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Medium Voltage Distribution Network JTM

Medium Voltage Distribution Network (JTM)

Construction and rehabilitation of 20 kV Medium Voltage Overhead Lines (SUTM) and Underground Cables (SKTM), insulator assembly, cubicle switchgear, and distribution transformers.

SBU ESDM JTM No. I86.P.2.212 3M Certified Cable Termination & Jointing
Low Voltage Distribution Network JTR

Low Voltage Distribution Network (JTR)

Installation of Low Voltage Overhead Lines (SUTR), customer connection reorganization, service entrance metering equipment, and twisted conductor replacement.

SBU ESDM JTR No. I87.P.2.213 Precision Grounding Resistance Testing
Switching Substations and High Voltage Substations

Switching Substation (GH) & Substation (GI)

Construction of new Switching Substations, civil switchyard recovery, underground feeder cable laying, protection cubicle termination, and electrical substation commissioning.

Certified Distribution Substation Supervisors Successfully Completed GH Mangkang & GI Krapyak
Right of Way ROW and Tree Trimming

Right of Way (ROW) & Tree Clearance

Preventive maintenance of electrical feeder reliability through systematic pruning and tree felling within clearance zones, supported by modern safety equipment.

Specialized Crew with Insulated PPE Central Java Network Reliability Maintenance
Civil Construction and Building Works

Civil Construction & Building Works

Civil construction of office buildings, educational institutions, substation foundations, cable duct trenches, and structural renovation works.

Commercial Office Building SBU (PB-UMKU) Educational Building SBU Licensed by LPJK
Mobile Cable Equipment and Emergency Support

Mobile Cable Equipment (PKB) & Emergency

On-call support with cable puller trucks, emergency backup generators, rapid power outage mitigation, and logistics fleet for grid transmission stability.

Fleet Ready for Rapid Mobilization UID Central Java Reliability Support Program
Project Track Record

Portfolio & Work Experience

Experienced in delivering strategic projects with PT PLN (Persero) across various operational units in Central Java & DIY with prime quality standards.

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Underground Power Cable Installation GH Mangkang & GI Krapyak
SKTM & Substation 2021

Underground Power Cable Installation GH Mangkang & GI Krapyak

PT PLN (Persero) UP3 Semarang

Laying and pulling 20 kV underground medium voltage cable (SKTM) from Mangkang Switching Substation to Krapyak Substation, including cubicle termination and high-pot testing.

Contract No. 0126/PJ/DAN.01.03/2021 Medium Voltage 20 kV
Construction of New Feeder Randu Garut 12
Grid Distribution 2021

Construction of New Feeder Randu Garut 12

PT PLN (Persero) UP3 Semarang

Construction of a new distribution feeder to reinforce power delivery for industries and commercial facilities around the Randu Garut Industrial Estate, Semarang.

Contract No. 0124.PJ/DAN.01.03/2021 JTM Expansion
Construction of Switching Substation GH Mangkang
Switching Substation 2021

Construction of Switching Substation (GH) Mangkang

PT PLN (Persero) UP3 Semarang

Physical building construction of switching substation, cubicle installation, control panels, grounding system, and outgoing/incoming cable terminations.

Substation Infrastructure Testing & Commissioning
Customer Connection and Capacity Expansion Ambarawa
Distribution Network 2021

Customer Connection & Network Capacity Work Ambarawa

PT PLN (Persero) UP3 Salatiga

Network restructuring and capacity expansion of customer connections across Ambarawa region to improve power voltage stability and quality.

Contract No. 0009.PJ/HKM.02.01/2021 Salatiga Implementation Unit
Tree Clearance and Pruning Maintenance Sukoharjo Area
ROW Maintenance 2022

Tree Clearance & Pruning Maintenance Sukoharjo Area

PT PLN (Persero) UP3 Sukoharjo

Systematic felling and trimming of trees along Medium Voltage Overhead Lines (SUTM) to prevent electrical blackouts caused by vegetation contact.

Right of Way (ROW) Zero Accident Safety
Civil Foundation Recovery at 150kV Kaliwungu Substation
Civil Recovery 2022

Civil Foundation Recovery at 150kV Kaliwungu Substation

PT PLN (Persero) UPT Semarang

Repair, reinforcement, and structural restoration of switchyard equipment foundations, underground cable duct trenches, and drainage at Kaliwungu Substation.

Transmission UPT Semarang Specialized Civil Engineering
Insulated Conductor and Underground Cable Revitalization
JTM Upgrading 2023

Insulated Conductor & Underground Cable Revitalization

PT PLN (Persero) UP3 Semarang

Replacing bare overhead conductors with insulated cables (A3CS) and modernizing underground cable joints to minimize external grid disturbance risks.

Network Revitalization System Reliability
Network Reliability Program and Mobile Cable Fleet PKB
Reliability Program 2023 - 2024

Network Reliability Program & Mobile Cable Fleet (PKB)

PT PLN (Persero) UID Jateng & DIY

Operational maintenance support for substation reliability and operation of mobile cable units (PKB) across Central Java distribution areas.

UID Central Java & DIY Rapid Response Fleet
Compliance & Legality

Official Certifications & Business Licenses

PT Askana Jaya Santoso strictly adheres to Government of Indonesia regulations with official IUJPTL license, ESDM SBU, LPJK Building Construction SBU, as well as ISO 9001 & ISO 45001 certifications.

ISO 9001:2015 Quality Management

ISO 9001:2015

Quality Management System

ISO 45001:2018 Safety Management

ISO 45001:2018

HSE Management System (SMK3)

K3 Ministry of Manpower

K3 MINISTRY

Certified Electrical & General HSE

3M Certified Jointing

3M CERTIFIED

High Voltage Terminating & Jointing

Electrical Engineering Licenses (ESDM)

IUJPTL (Electricity Supporting Services License) DPMPTSP Central Java Province (Valid through July 03, 2028)
81200088405260003
SBU Medium Voltage Distribution (JTM) Ministry of Energy & Mineral Resources (ESDM RI)
I86.P.2.212.M.1B.3374.G23
SBU Low Voltage Distribution (JTR) Ministry of Energy & Mineral Resources (ESDM RI)
I87.P.2.213.M.1B.3374.G23
SBU Medium Voltage Installation Electricity Utilization Engineering
I84.P.2.215.M.1B.3374.G23
SBU Low Voltage Installation Electricity Utilization Engineering
I85.P.2.216.M.1B.3374.G23

Corporate Legal Registration & Civil Works

Business Identification Number (NIB) Indonesian Government OSS (Permanent Validity)
8120008840526
SBU Commercial Office Building (LPJK) Building Construction Works
PB-UMKU 812000884052600020001
SBU Educational Building (LPJK) Building Construction Works
PB-UMKU 812000884052600020002
Tax Identification Number (NPWP) KPP Pratama Semarang Barat
80.484.666.5-503.000
Taxable Enterprise Confirmation (SPPKP) Officially Registered Since June 06, 2017
S-256PKP/WPJ.10/KP.0303/2017
CORE OBJECTIVE: ZERO ACCIDENT

Health, Safety & Environment (HSE)

For PT Askana Jaya Santoso, safety is not merely a formality on paper, but an absolute core value in every step of execution. We rigorously enforce ISO 45001:2018 standards to protect our personnel, technical assets, and surrounding communities.

Job Safety Analysis (JSA): Identification and mitigation of workplace hazards prior to starting execution.
Daily Safety Toolbox Talk: Morning safety briefings on standard operating procedures with all work crews.
Routine Equipment Calibration: Periodic testing and calibration of electrical instruments and protective equipment.
Field HSE Technician PT Askana Jaya Santoso
PPE Standard: Purple Body, Yellow Sleeves, Helmet & Goggles

Field PPE Standards for Electrical Works

Safety Helmet ANSI High-voltage insulation
Full Body Harness Working at height
Insulated Shoes 20kV Electrical insulation boots
Insulated Gloves 20kV Voltage-resistant latex
"Safety is Our Top Priority, Never a Compromise."
Operational Capabilities

Fleet & Comprehensive Technical Equipment

Equipped with dedicated logistics transport and regularly calibrated testing instruments to guarantee execution speed and technical accuracy on every site.

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Operational Pick-up Fleet

Field logistics fleet for swift mobility of technical crews, cable transport, transformers, and construction materials.

24/7 Deployment Ready

Digital Earth Tester & Megger

High-precision measurement instruments for grounding resistance and cable insulation integrity with certified calibration.

Officially Calibrated

Hydraulic Crimpers & Cable Pullers

Heavy-duty cable rollers, pullers, and hydraulic crimping presses for high-voltage cable lug terminations.

SNI/LMK Specification

Safety Tackle & Crane Support

Certified lifting gear for installing concrete poles, heavy distribution transformers, and rigging in demanding terrains.

Certified Crane Operators
Human Capital Excellence

Management & Licensed Specialists

A powerhouse combination of visionary leadership and seasoned engineers holding official certifications in mechanical, electrical, civil, and occupational safety.

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BW
PRESIDENT COMMISSIONER

BAMBANG WIRYAWAN

Board of Commissioners

Leads the board of commissioners in strategic governance, Corporate Governance compliance (GCG), and macro policy directions.

AY
COMMISSIONER

AHMAD YEFIN

Board of Commissioners

Oversees operational governance, ethical compliance, and sustainable business growth across all corporate initiatives.

EH
MANAGING DIRECTOR

EDY HARTONO

Board of Directors

Full executive oversight of company operations, strategic expansion, institutional partnerships, and total quality management.

RA
CERTIFIED PJT

RENO ADY S.

Technical Director

Holds official company technical mandate for ESDM SBU certifications and IUJPTL regulatory compliance.

DD
ELECTRICAL SAFETY EXPERT

DANANG DWI

Licensed Electrical HSE Specialist

Directs high and medium-voltage electrical installation safety audits and induction hazard mitigation.

FP
GENERAL SAFETY EXPERT

FITRI PUJI ASTUTI

Certified General HSE Specialist

Supervises Occupational Health & Safety Management System (SMK3) enforcement across all project locations.

SA
LEAD ME SPECIALIST

SONI ARIFIANTO, ST

Chief ME Specialist

Technical coordinator for mechanical & electrical planning, load engineering, and structural design calculations.

AZ
SUBSTATION SUPERVISOR

AHMAD ZAENUDI

Distribution Substation Inspector

Ensures cubicle assembly, transformers, and switching substations fulfill PLN operational standards.

SS
CIVIL SUPERVISOR

SETIYO SETIAWAN

Building Construction Inspector

Oversees structural quality of civil works, office complexes, and substation foundations per engineering drawings.

Contact Us

Consultation & Project Quotation

Our engineering team is ready to deliver tailored solutions for your mechanical, electrical, and civil construction requirements. Contact us directly or submit your project details.

Headquarters Address

Jl. Purwoyoso Selatan I RT. 07 RW. XII, Kel. Purwoyoso, Kec. Ngaliyan, Semarang City, Central Java, Indonesia

Phone & WhatsApp Hotline

Office Phone: (024) 76430193
WhatsApp Hotline: +62 813 2521 0765

Official Email

askanajayasantoso_765@yahoo.com

Submit Project Requirements

Please complete the form below. Your request will be directly dispatched to our engineering representative via WhatsApp.