Excavation backfilling and road reinstatement works in Roumin

Terms of Reference
Contractor for excavation backfilling and road reinstatement works in Roumin
Oxfam in Lebanon Background
Oxfam is a global movement of people, working together to end the injustice of poverty. Oxfam has been working in Lebanon since 1993. We provide humanitarian assistance to vulnerable people affected by conflict, and we promote economic justice and good governance, and women’s rights. Oxfam also works with local partners to contribute to the protection and empowerment of marginalized women and men. Objective of the Assignment
Oxfam is seeking a contractor to rehabilitate water network in Roumin, Nabatiyeh District. The contractor shall replace the old damaged galvanized pipes by HDPE pipes.
Operational objective:

Content of Works:

1.The project includes excavation, backfilling, and road reinstatement works along a total trench length of 1400 m.
2.All pipes are available with SLWE, the contractor should transport the pipes from the SLWE’s warehouse located in Saida to the site in Roumin
3.Two damaged lines to be removed and replaced by new HDPE pipes, the new pipes will be installed in the same trench.
4.The Contractor shall provide all the needed fittings and accessories needed for installation and connection.
5.The Site Engineer may amend what they deem "technically" suitable for the project and after taking the approval of Oxfam, and the Contractor must abide completely with what was required by the supervising committee.
6.The Contractor’s relationship will directly be with OXFAM staff.
7.The supervising committee has the right to require re-implementation at the contractor's expense if the work does not meet the agreed specifications.
8.OXFAM will inform the contractor on the date of starting the construction one week ahead.
9.The contractor shall execute all works required in the presence of the site Engineer or his representative considering that the supervision committee has the right to require re-implementation in case of violation of the agreed specifications.
10.An Oxfam staff or a representative will be responsible to monitor and confirm the work.
11.The contractor should have the capacity to complete this works within 15 calendar days.
12.Oxfam has the right to increase or decrease quantities at the same unit cost.

Safety and Protection
1.The contractor is fully responsible for securing the worksite and ensuring public safety.
2.The contractor must install appropriate road barriers, traffic signs, and warning signals to prevent accidents and disruption during all stages of work.
3.Failure to secure the site adequately will make the contractor liable for any resulting accidents or damage.

Damage to Existing Infrastructure
1.The contractor is responsible for any damage to existing infrastructure (roads, utilities, underground services) caused during excavation or construction.
2.All damaged infrastructure must be repaired at the contractor’s expense, to the satisfaction of the site engineer and OXFAM.

Bill of quantities:
ITEM DESCRIPTION comments UNIT Quantity Unit Price Total Price
1Excavation works
Excavation of a trench with dimensions of 90 cm (width) x 90 cm (depth) along a total length of 1400 meters, using suitable equipment and tools, including manual trimming where necessary to meet the specified dimensions. The work includes the removal of excavated soil and debris from the site with proper disposal at an approved location. After the installation of services (if applicable), the trench will be backfilled and compacted with suitable material to ensure stability and proper finish
LM
1400

2Supply and install fine coarse material.
Supply and install fine coarse material (size should be between 0 to 10mm-fine to small gravel, including transportation, spreading, and levelling to the required thickness (20 cm above pipes and 25 below pipes) the material should have a well graded particle size distribution to ensure proper compaction and minimal voids. Ensure proper compaction to achieve the specified density and surface finish in accordance with project requirements
m3
590

3Supply and install base course material of thickness 20 cm.
Supply and install subbase material (size should be between 20mm to 40mm crushed stone or gravel) of 20 cm thickness, including transportation, spreading, levelling, and well compaction to achieve the required
m3
270
density and surface finish as per project specifications

4Supply and install asphalt of thickness 7 cm.
Supply and install asphalt of 7 cm thickness (size 5 mm to 10 mm), including transportation, spreading, levelling, and compaction to achieve the required smoothness and density in accordance with project specifications.
m3
95

5Installation services:
Install pipe (HDPE) 90 mm
Provide installation service for pipework (1400m) of different dimensions, including all fittings and accessories, with transportation from the warehouse Located in Saida to the site in Roumin The work will include. —
•
one line for 90 mm pipes (approx. 850m),
•
one line for 125 mm pipes (approx.1100m)
•
one-line 60 mm(approx.320m) —
Ensure proper alignment, jointing, welding and secure fitting of all necessary accessories as per project specifications (see attached Annex 1, Annex 2, Annex 3)
LM
1400
Install pipe (HDPE) 125 mm
Install pipe (HDPE) 60mm

6Supply and installation of mechanical fittings and accessories including couplers, joints, Tee Connection and others. (final quantities will based on site requirements and approved by the engineer)
Elbows 20mm
Item
80
Elbows 32 mm
Item
80
Elbows 50 mm
Item
80
coupling reducer 3 to 1/2 inch
Item
120
Clamps 20mm
Item
40
Clamps 32 mm
Item
40
Clamps 50mm
Item
40
joints Gibault (5inch-6inch)
Item
1
joints Gibault (5inch-4 inch)
Item
1
Tee (5inch -4 inch)
Item
1
Tee (5inch -2 inch)
Item
3

7Concrete Manhole 1m X1mX1m
installation of reinforced concrete manhole 1mX1mX1m with DI cover (75cmX75cm) including all the fitting accessories and valves as per site requirement and approved by the engineer
item
1
TOTAL
VAT (11%)
The supplier should submit:
1.Copies of the original documents that indicated the establishment or the legal status and registration of the supplier.
2.Suppliers should provide three references, (company name, contact name and phone number).
3.Submit a list of customers from the past two years, detailing relevant experience in the same domain. The list should include the company name, contact person, and phone number.
4.Provide CVs of key personnel, person will be on site (project manager, site engineer).
5.I.D. copy for the person signing on the bid empowered by the power of attorney.
6.Submit priced Bill of Quantities (BOQ).
7.Fresh Account bank details (if applicable)

Contractor experience and requirements:
1.The contractor must have proven experience in similar roadwork and infrastructure projects, executed similar projects in South Lebanon is preferred.
2.The contractor must provide evidence of successful completion of similar projects, including references and completion certificates Field visit
A site visit is mandatory for contractors before submitting their tenders. It is scheduled for Wednesday April 9, 2025. For more details about the site, contractors should contact us via email at lebresponseprocurement@oxfam.org.uk mentioning “Excavation backfilling and road reinstatement works in Roumin” in the Subject line.
Date of start
One week after signing the agreement.
Questions / Request for clarification
Any requests for clarification may be submitted by email to lebresponseprocurement@oxfam.org.uk by mentioning “Excavation backfilling and road reinstatement works in Roumin” in the Subject line.
Timeframe and Payment
100% payment after delivery of the requested service, technical approval and submitting the financial documents, within 30days.
Please submit the full application documents (as mentioned above) to lebresponseprocurement@oxfam.org.uk by mentioning “Excavation backfilling and road reinstatement works in Roumin” in the Subject line, before 13 April 2025, midnight.