Water For People (WFP) is a global nonprofit working across nine countries, bringing together communities, local entrepreneurs, and governments to build and maintain water and sanitation services that will last. We have a sustainable solution to end the global water and sanitation crisis, and our employees across the world help drive this solution.

Website: https://www.waterforpeople.org

TERMS OF REFERENCE FOR REHABILITATION OF MUTORERWA TRANSMISSION PIPELINE TO SERVE REMERA-MUGANZA-NDORA WSS LOCATED IN MUGANZA SECTOR IN GISAGARA DISTRICT

1.INTRODUCTION

Water For People is an international non-for-profit organization working in Water, Sanitation & Hygiene. It works across nine countries, bringing together communities, local entrepreneurs, and governments to build sustainable water and sanitation services.

Water For People is committed to supporting all communities, schools, and healthcare facilities in Rulindo, Kicukiro, Gicumbi, Karongi, and Gisagara in gaining access to sustainable water, sanitation, and hygiene services. In this connection, Water For People partners with government institutions to improve access to sustainable WASH Services by supporting the construction of water supply systems and hygiene and sanitation facilities.

It is against that background that Water For People, in partnership with Gisagara District, would like to hire the services of an experienced construction company to rehabilitate Mutorerwa transmission pipeline that feeds pumped water into Remera-Muganza-Ndora WSS.

2. SCOPE OF WORK

  • The location of the project is in Muganza Sector, Gisagara District
  • The works will include pipeline and adjacent civil works as described in the BoQ
  • Study review and provision of as-built plans/drawings after rehabilitation works

Water For People reserves the right to change the scope of works before the contract signature.

3. TECHNICAL PROPOSAL

The technical proposal to be submitted by the bidder must have the components described below:

3.1. Company profile and administrative documents

The company must provide the following administrative documents:

  • Full company address in Rwanda indicating Province, District, Sector, Cell, Village, E-mail, Post Office Box,
  • A copy of the Trade License/Certificate of company registration,
  • VAT registration certificate
  • Valid Certificate of tax clearance by Rwanda Revenue Authority (RRA),
  • RSSB clearance certificate

3.2. Company experience

The desired company/firm should meet the following criteria:

  • General Experience of the company in the field of water supply project implementation
  • Having completed 2 motorized water supply projects within the last 3 years proven by certificates of good completion or provisional handover.

3.3. Equipment

The essential equipment to be made available for the Contract by the successful Bidder shall be:

  • One trucks with 5m3 of capacity.
  • One concrete vibrator.
  • One pickup (4WD)
  • Having a verifiable in-country stock of DI Pipes of the required specification with the due quantity and ownership slip (invoice) or proof of immediate supply possibility within 10 days after the contract signature.

The bidder must provide proof of possession (equipment must be registered in the names of the company or with a notarized rental or buying contract signed by both parties accompanied by proof of their invoices).

3.4. Team composition and required Skills

The company/firm should have the following staff members:

  • Project Manager: A civil/Hydraulic engineer A0 with a minimum of 5 years of experience in the construction sector
  • A site engineer: A certified civil engineer A0 with a minimum of 3 years of experience in the construction of water supply projects or A1 with a minimum of 5 years of experience in similar works.
  • A site foreman: A2 diploma in construction or plumbing with a minimum of 5 years of experience in water supply with a focus on pipe-laying.

All staff will present an updated Curriculum Vitae duly signed by the staff him/herself and notarized academic documents with relevant certificate of service rendered to prove the required experience.

4. FINANCIAL PROPOSAL

The proposal must be done based on the following bill of quantities:

BILL OF QUANTITIES AND COST ESTIMATION OF MAINTENANCE WORKS OF MUTORERWA PUMPING STATION IN GISAGARA DISTRICT
TO SERVE REMERA-MUGANZA-NDORA WSS
No Work description Unit Quantity Unit Price (FRW) Total Price (FRW)
I Preliminary works
1.1 Surveying works before , during and after execution works, Design review (drawings of the site plan, drawings of particular details, longitudinal profiles, hydraulic works to perfom execution) including regular availability of surveying equipement, like DPGS/ Total station), two working documents in hard and soft copies Km 0.674
1.2 Site installation including installing 1 site sign board (dimensions (L = 1,5 m ;l=1m) posted on two metallic poles with height = 2,40m) : Site office with store and office equipment . Site cleaning on pipeline itinerary (Demarcation of pipeline itinerary) and cleaning and setting out water infrastructures. LS 1.00
S/TOTAL FOR PRELIMINARY WORKS
2 Rehabilitation of existing pipeline from the Mutorerwa pumping station of Remera-Muganza-Ndora
2.1 Excavation and backfill works to relocate the existing D.I pipes laid in the section to be deviated m3 385.92
2.3 Excavation and back fill works of new trench for deviation of existing pipeline m3 404.58
2.4 Transport and lay the old DI Pipes (DI 100 PN 40) in the new trench along with the due accessories supplied pces 107.00
Supply and laying of the new DI pipe of ND100 PN40 with all accessories according to the standards pces 12.0
Pressure testing as per the standards m 674.00
2.5 Laid pipeline disinfection m 674.0
S/TOTAL2
3 Construction of 113 Solid & anchoring RCC mass with a proportioning of 350kg/m3
3.1 Excavation and backfill works of footing (1.00mx1.00mx0.50m) for 113 pces m3 128.82
3.2 Blinding concrete of 5cm thick with a mixing proportion of 200kg/m3 for 149 solid concrete mass m3 5.65
3.3 Hard core stones (1.2mx1.2m, thick=0.25m) for 149 solid concrete mass m3 28.25
3.4 Reinforced concrete for base Slab (0.8mx0.8m, thick.= 0.20m) for 149 solid concrete mass m3 14.464
3.5 Reinforced concrete for Solid & anchoring concrete mass (0.40mx0.3mx1.00m)for 149 solid concrete mass m3 14.916
3.6 Construction of Gabions at the river for protecting the pipeline on the bridge m3 80
S/TOTAL 3
4.1 Recapturing of the contaminated Source (Mutorerwa Source 3) Q=0.4L/S
4.1.1 Site clearance, removal of top vegetable soil, and site leveling or any shaping necessary m2 1,256.64
4.1.2 Earthwork , cut, fill and evacuation or overlay of all type of soils, including all accruals m3 1,206.37
4.1.3 Supply and fix 18m PVC strainer DE75 DN60 PN10 to 20 cm of the tablecloth and routing of water in pipe PVC DE63 DN50 PN10 of the strainer to the starting chamber at 45 m, including all accruals lm 30
4.1.4 Supply and fix rolled filitrant river gravel, well washed up to 60 cm height, including all accruals m3 18
4.1.5 Supply and fix plastic tight sheet with the top of the gravel folded in 3 layers, including all accruals m2 240
4.1.6 Fill with clay for a tight layer of 30 cm m3 24
4.1.7 Fill with fine grained soil to a layer of 15 cm on top of the clay, including all accruals m3 18
4.1.8 Fill with soils without roots and other organic matter by compacting each time layers of 20 cm up to the level of the original ground, including all accruals m3 251.33
4.1.9 Excavate a trench of protection of the source up to 80 cm depth. The bottom width 50 cm, including all accruals. m3 37.7
4.1.10 Put in place a protective fence of quickset hedge in euphorbiums against animals, including all accruals lm 94.25
4.1.11 Plant passparum around the zone of harnessing, including all accruals m2 1,256.64
4.1.12 Construction of air release chamber with hydraulic accessories (DN75) LS 2
4.1.13 Construction of wash-out chamber with hydraulic accessories (DN75) LS 3
SUBTOTAL DIVISION 4.1:
4.2 Construction of PH Regulation chamber ( Int. 2.8mx2.2mx1.75m) Near collection chamber
4.2.1 Terracing, digging, cutting, excavation, backfilling, overlay of surplus soil and land remediation, including all accruals and site clearing after construction m3 10.89
4.2.2 Hardcore (stones pitching) of 20 cm with a filling of 1:4 cement sand mortar mix, saturated with water m3 1.674
4.2.3 Blind concrete with 1:2:4 ratio, thickness 5 cm m3 0.308
4.2.4 Reinforced concrete for base slab and roof slab, class A m3 1.848
4.2.5 Lateral walls in stone masonry jointed with a mortar at the ratio 1:4 m3 5.25
4.2.6 Internal walls in in stones masonry jointed with a mortar at the ratio 1:4 m3 0.72
4.2.7 Coating of the internal side of wall of the inspection chamber with 3 layers of plaster of 300 kg/m3 cement mixture m2 6.16
4.2.8 Plaster on upper side of the slab with a rough mortar with 1:4 ratio m2 8.37
4.2.9 Supply and fix damp proof course between the roof slab, the wall and the beam of support m2 6.16
4.2.10 Supply and fix of fiberglass A15 cover 600 mm x 600 mm item 2
4.2.11 Supply and fix a noncorrosive ladder (aluminum) for interior access embedded in the wall. LS 2
4.2.12 Supply and installation of hydraulic equipment LS 1
4.2.13 Supply and Testing Calcite material (ex-limestone/travertine or dolomite). With 50cm thickness layer LS 1
4.2.14 Supply of fine sand for the filtration chamber LS 1
4.2.15 Supply of aggregate for the filtration chamber LS 1
4.2.16 Water quality test and analysis ( PH, Turbidity, Ecoli, Total Coliform, Fluoride, Arsenic, Iron, Copper) LS 1
S/Total
5 Partial Rehabilitation of 28 Water Points
5.1.1 Supply and installation of hydraulic equipment and Fittings including Water Taps(56 of 3/4), Metallic Cover 50*50*0.3(3) and Volumetric water meter(3pieces with their GI valves) with at least Nominal flow rate of 1.5m3/h and Max Admissible Pressure of 16 Bar. LS 1
SUBTOTAL 5.1.1
Grand Total (All tax inclusive)

The Total Price must be tax inclusive.

5. Drawings

The drawings and map will be issued via email to the prospective bidders who will have participated in the field visit.

6. DURATION OF THE ASSIGNMENT

It is planned that the work to be done will be completed within 60 calendar days from the date of the contract signature. The technical offer should indicate a clear timeline illustrating when the deliverables will be achieved.

7. TYPE OF AWARD

This will be a contract with clear payment schedules based on deliverables. The winner of this contract shall be responsible for submitting an original of a performance guarantee from a licensed bank representing 10% of the total contract amount and covering 12 months counted from the date of provisional handover of the work.

8. SOURCE OF FUNDS

Water For People

9. COPYRIGHTS

Copyright of all materials for this assignment will be retained by Water For People in Rwanda or District.

10. PROCUREMENT

Proposals will be evaluated using the following criteria: administrative requirements, the profile of team members, similar experience, equipment required, and cost as follows.

  • Administrative documents/company profile: PASS or FAIL. Only the bidders with a PASSnote will continue to the second stage of evaluation.

Technical Proposal:

  • Equipment and work plan: 30%
  • Company Experience: 50%
  • Profile of the team members: 20%

1st stage: Administrative documents: PASS or FAIL. Only the bidders with a PASS note will continue to the second stage of evaluation.

2nd stage: Technical proposal: 100% (that includes the work-plan and availability of equipment and company experience and profile of the team members with CV and academic documents). The pass mark is fixed at 80%

3rd Stage: Financial Proposal: All proposals that will score 80% from the technical evaluation shall have their financial proposals evaluated. The successful bidder will be the one with the lowest quote.

The selected vendor will be contractually required to comply with Water For People’s Vendor Code of Conduct Vendor code OK.pdf and will be required to deliver a Conflict-of-Interest Certificate prior to execution of the contract. The Conflict-of-Interest Certificate requires the disclosure of any potential or actual conflicts of interest with Water For People employees or their relatives including past, current, or proposed business transactions, employment or offers of employment, or certain gifts or entertainment. Water For People will evaluate any disclosures of conflicts of interest; if Water For People determines it cannot waive or mitigate the conflict of interest it will result in the disqualification of the selected proposer.

11. Eligibility for Bidders

The prospective bidders will conduct a compulsory site visit on 10/12/2024. They shall meet at Gisagara District Office. The site visit will start at 10:30 AM.

12. REPORTING AND WORK RELATIONSHIP

The contractor will report to the Water For People Senior Water and Sanitation Engineer for this assignment. The contractor will be collaborating with the entire Water For People team including the top management team as well as the field staff.

On daily basis, the contractor will be supervised by the Water For People representative, the district and WASAC branch representatives and the provisional handover of works must be approved by all the above parties.

Rights Reserved

  • Water For People in Rwanda reserves the right to cancel the entire procurement process without incurring any liability whatsoever.
  • Water For People in Rwanda reserves the right to amend any segment of the request for proposal prior to the announcement of selected candidates.
  • Water For People in Rwanda also reserves the right to remove one or more of the services from consideration for this contract should the evaluation show that it is in Water For People’s best interest to do so.
  • Water For People in Rwanda also may, at its discretion, issue a separate contract for any service or groups of services included in this request for proposal . Water For People may negotiate a compensation package and additional provisions to the contract awarded under this request for proposal.
  • Water For People in Rwanda reserves the right to debrief the applicants after the completion of the process due to the expected high volume of applications to avoid the compromise of the process.

14. BIDDING PROCESS

Interested companies are requested to submit their application files electronically not later than 15/12/2024with the following subject “Rehabilitation of Mutorerwa transmission pipeline to serve Remera-Muganza-Ndora WSS. ” to the following email: rwprocurement@waterforpeople.org

Both technical and financial bids must be submitted separately. The financial offer should be protected with a password that will be shared with the procurement officer one day after submission.

Notes:

  1. Any bid with any arithmetic error in calculation or any other type of error or omission will automatically be disqualified.
  2. Hard copies and late submissions shall be rejected.
  3. Late submissions will not be considered.

Done at Kigali on 3/12/2024.

Eugene DUSINGIZUMUREMYI

Country Director

 

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