SUPPLY & COMMISSIONING OF PORTABLE DISTRIBUTED ACOUSTIC SENSING MONITORING SYSTEM (Бахрейн - Тендер #63158100)

SUPPLY & COMMISSIONING OF PORTABLE DISTRIBUTED ACOUSTIC SENSING MONITORING SYSTEM

Tender Number: 236/2025/BTB (2025-033-PP-ETD)

PA Ref Number: 2025-033-PP-ETD

Tender Description

The bidder shall propose Distributed Acoustic Sensing System, DAS, for the continuous monitoring of cable activities using Single mode fiber optic cable G.652D type. Each fiber is designed to operate for dual windows of nominal wavelength of both 1310 nm and 1550nm. The fibers shall be optimized for the operation within 1310 nm single window. The purpose is to quickly pinpoint the exact cable fault location if any vibration happens and asses any external sources of danger to the cable system such as excavation. The tender shall cover the design, manufacture, testing, supply, delivery and site training. The DAS shall be designed to follow FO cable service life of not less than 40 years, observing cable internal activities such as acoustic signal generated from thumping voltage for pinpointing external. The system should measure the acoustic vibrations on the fiber based on the principles of Coherent Optical Time Domain Reflectometry. The proposed system shall meet the specifications.

Issued by Electricity and Water Authority Category/Sector General Internal/External External Invitation Method Public (LOCAL GCC) Initial Bond BD 500 Bid Validity / Initial Bond Validity Period (Days) 180 days Tender Fees BD 30 Contract Duration 1 Year Is Alternate Bid Allowed Yes Publish Date Wednesday, 16 April 2025 Purchase Before Monday, 05 May 2025 Closing Date Sunday, 18 May 2025 Opening Date Monday, 19 May 2025 Additional Notes

The bidder shall propose Distributed Acoustic Sensing System, DAS, for the continuous monitoring of cable activities using Single mode fiber optic cable G.652D type. Each fiber is designed to operate for dual windows of nominal wavelength of both 1310 nm and 1550nm. The fibers shall be optimized for the operation within 1310 nm single window. The purpose is to quickly pinpoint the exact cable fault location if any vibration happens and asses any external sources of danger to the cable system such as excavation.

The tender shall cover the design, manufacture, testing, supply, delivery and site training. The DAS shall be designed to follow FO cable service life of not less than 40 years, observing cable internal activities such as acoustic signal generated from thumping voltage for pinpointing external.

The system should measure the acoustic vibrations on the fiber based on the principles of Coherent Optical Time Domain Reflectometry. The proposed system shall meet the specifications and requirements mentioned in tender documents.

يقترح مقدم العرض نظام استشعار صوتي موزع (DAS) للمراقبة المستمرة لأنشطة الكابلات باستخدام كابل ألياف ضوئية أحادي النمط من نوع G.652D وفقا للتصميم المرفق في مواصفات المناقصة. كل الياف يتم تصميمها لتعمل مع نافذة مزدوجة بطول موجي اسمي 1310 نانومتر و1550 نانومتر. يجب تحسين الألياف للعمل ضمن نافذة واحدة بطول 1310 نانومتر. الهدف هو تحديد موقع عطل الكابل بدقة في حال حدوث أي اهتزاز، وتقييم أي مصادر خطر خارجية على نظام الكابلات، مثل الحفريات.

يغطي العطاء التصميم والتصنيع والاختبار والتوريد والتسليم والتدريب في الموقع. صُمم نظام الاستشعار الصوتي الموزع (DAS) ليتوافق مع عمر خدمة كابلات الألياف البصرية (FO) الذي لا يقل عن 40 عامًا، مع مراقبة الأنشطة الداخلية للكابل، مثل الإشارة الصوتية الناتجة عن الجهد النبضي لتحديد الاهتزازات الخارجية بدقة.

يجب أن يقيس النظام الاهتزازات الصوتية على الألياف بناءً على مبادئ قياس الانعكاس البصري المتماسك في المجال الزمني. يجب أن يستوفي النظام المقترح المواصفات والمتطلبات المذكورة في وثائق العطاء.

,MANDATORY REQUIREMENT
The eligibility to participate in this tender is restricted to the following conditions and offers not meetingthe following will be disqualified:
1. The supplier is required to provide valid type test report as per the relevant internationalstandard demonstrating compatibility of the Distributed Acoustic Sensing Monitoringsystem with G.652D fiber optic cable OR willing to conduct Type test.
2. The supplier has to provide report demonstrating global successful deployment of theDAS system in HV cable fault location and monitoring application.
How to Participate?

• Those who are capable and wish to participate in the above tender have to purchase the Tender Documents online through the Bahrain Tender Board’s portal https://etendering.tenderboard.gov.bh starting from Wednesday, 16 April 2025
• Bidders are requested to enclose with their bids the Initial Bond for the amount specified above or at the rate of 1% of the tender value whichever amount is lesser, provided that no initial bonds value shall be less than BD 100/-. (Except for the Two-envelope tenders).
• For Two-envelope tenders, bidders, are requested to enclose with their bids the Initial Bond for the amount specified above.
• The initial bond should be in the form of a Certified Cheque, Bank Guarantee, Insurance Policy or Cash (or as specified in the Tender Documents) valid for the duration specified above.
• The bids deposit place: (As Mentioned in the Tender Documents)
• This tender is subject to the provisions of the Tender Law issued by the Legislative Decree No. 36 of 2002, its amendments, and its Implementing Regulations issued by the Decree No. 37 of 2002.
• In addition, these conditions have to be considered:
• Enclose copy of a valid Commercial Registration Certificate (CR) in line with the tender"s subject.
• Enclose copy of a valid certificate of compliance with the employment percentages for Bahraini manpower (Bahranization Certificate) issued by the Ministry of Labour.
• This advertisement is considered supplementary to the tender documents. In case of any discrepancy between the Advertisement and the Tender Document, the Tender Document prevails.
• Micro, small and medium enterprises are eligible to obtain 10% preference in the financial evaluation stage, when submitting the "SMEs Classification Certificate" during bidding for this tender. The certificate is awarded by Ministry of Industry Commerce and Tourism to the SMEs and can be obtained when applying on the SMEs Registration System which can be reached via the following link: https://www.moic.gov.bh/en/eServices/sme
• Vendors who are not registered in the Tender Board"s e-tendering system shall be required to register through the below-mentioned link, and for assistance please contact the Tender Board through email helpdesk@tenderboard.gov.bh or call on Tel No. +97317566617.
• For Registration
• Inquiries

For further inquiries please contact on:

Electricity and Water Authority
17995555

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