Buyer Name: NORTHERN GAS NETWORKS LIMITED
Buyer Address: 1100 Century Way, Colton Leeds, UKE42, LS15 8TU, United Kingdom
Contact Email: procurement@northerngas.co.uk
Buyer Name: NORTHERN GAS NETWORKS LIMITED
Buyer Address: 1100 Century Way, Colton Leeds, UKE42, LS15 8TU, United Kingdom
Contact Email: procurement@northerngas.co.uk
Northern Gas Networks require multiple suppliers on a framework agreement to provide products that will be used throughout the NGN network. The purpose of this framework is to ensure continuity of supply of the sealant and associated equipment to the business at agreed rates, lead times and to ensure products conform to the correct specification and standards. Items under the framework agreement must meet the necessary Gas Industry Standards in line with all new guidance and standards published.
External Link: https://www.find-tender.service.gov.uk/Notice/050616-2025
Link Description: Tender notice on Find a Tender
Lot Title: Lot 1 - Annular sealants
Lot Description: This sealant material is for internal application of sealant materials (which may be applied externally, being pumped into the annulus from an external source) used to prevent the passage of gas along the annulus formed between an inserted plastic pipe and an existing metallic pipe.
Lot 1 Status: active
Lot 1 Value (Gross): GBP 3,000,000
Lot 1 Contract Start: 2026-09-01T00:00:00+01:00
Lot 1 Contract End: 2029-10-31T23:59:59Z
Lot 1 Award Criterion (price): RFP 1 - Non-Commercial
Lot 1 Award Criterion (price): RFP 2 - Commercial
Lot Title: Lot 2 - Leakage Sealants
Lot Description: Materials used to make a full permanent repair on either metallic or PE pipe by means of either internal or external application.
Lot 2 Status: active
Lot 2 Value (Gross): GBP 3,000,000
Lot 2 Contract Start: 2026-09-01T00:00:00+01:00
Lot 2 Contract End: 2029-10-31T23:59:59Z
Lot 2 Award Criterion (price): RFP 1 - Non-Commercial
Lot 2 Award Criterion (price): RFP 2 - Commercial
Lot Title: Lot 3 - Bar Hole Sealing
Lot Description: A bar hole is a hole made in the soil or pavement with a hand-operated bar for the specific purpose of testing the subsurface atmosphere with a combustible gas indicator. The Materials used to plug a hole following bar hole work to provide a full permanent seal of the surface.
Lot 3 Status: active
Lot 3 Value (Gross): GBP 3,000,000
Lot 3 Contract Start: 2026-09-01T00:00:00+01:00
Lot 3 Contract End: 2029-10-31T23:59:59Z
Lot 3 Award Criterion (price): RFP 1 - Non-Commercial
Lot 3 Award Criterion (price): RFP 2 - Commercial
Lot Title: Lot 4 - Flow Stopping
Lot Description: The objective is to temporarily stop the flow in a specific area of the network without disrupting the remainder of the local network.
Lot 4 Status: active
Lot 4 Value (Gross): GBP 3,000,000
Lot 4 Contract Start: 2026-09-01T00:00:00+01:00
Lot 4 Contract End: 2029-10-31T23:59:59Z
Lot 4 Award Criterion (price): RFP 1 - Non-Commercial
Lot 4 Award Criterion (price): RFP 2 - Commercial
Lot Title: Lot 5 - Live Insertion
Lot Description: Utilising a gland box, the old main is kept live throughout the insertion process and the new PE is gassed up to maintain gas supplies to individual customers. After the new main is inserted, the main is still kept live to supply customers via the annular space between the two mains until it is convenient to transfer the services to the new main
Lot 5 Status: active
Lot 5 Value (Gross): GBP 3,000,000
Lot 5 Contract Start: 2026-09-01T00:00:00+01:00
Lot 5 Contract End: 2029-10-31T23:59:59Z
Lot 5 Award Criterion (price): RFP 1 - Non-Commercial
Lot 5 Award Criterion (price): RFP 2 - Commercial
Document Description: Not published
Document Description: Tender notice on Find a Tender
{
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"name": "NORTHERN GAS NETWORKS LIMITED"
},
"date": "2025-08-21T15:56:51+01:00",
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"countryName": "United Kingdom",
"region": "UKC"
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"countryName": "United Kingdom",
"region": "UKD"
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{
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"countryName": "United Kingdom",
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"countryName": "United Kingdom",
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"country": "GB",
"countryName": "United Kingdom",
"region": "UKH"
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{
"country": "GB",
"countryName": "United Kingdom",
"region": "UKI"
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"country": "GB",
"countryName": "United Kingdom",
"region": "UKJ"
},
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"country": "GB",
"countryName": "United Kingdom",
"region": "UKK"
}
],
"id": "5",
"relatedLot": "5"
}
],
"legalBasis": {
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"scheme": "UKPGA",
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"lots": [
{
"awardCriteria": {
"criteria": [
{
"description": "The Non-Commercial section will have weighted questions and weightings are detailed in NGNs tender platform Market Dojo. \nSuppliers must achieve a minimum percentage score of 70% to pass this section and move on the RFP 2 - Commercial.",
"name": "RFP 1 - Non-Commercial",
"type": "price"
},
{
"description": "Suppliers can BID for any lines under the lot/s they put in for. Suppliers do not have to BID on all lines under each lot/s they put in for. \nSuppliers must include: Price per unit, Lead Time, MOQ (Minimum Order Quantity) \u0026 Supplier Part number detail for each line they BID on. \nSuppliers will be given an overall score for each line they bid for, incorporating all above-mentioned detail in the bullet point above, provided by the supplier. \nNGN will award each individual line a primary \u0026 alternative supplier/s. \nAward for alternative suppliers will only be given to any supplier that are awarded as a primary supplier of any line. If a supplier does not win any primary line, they will not be awarded a spot on the framework.\nContract Challenges - This will be evaluated based on the legal scoring methodology set out in Market Dojo in the later RFP stages.",
"name": "RFP 2 - Commercial",
"type": "price"
}
],
"weightingDescription": "RFP 1 - Non-Commercial - Q\u0026A\nRFP 2 - Commercial - Pricing \u0026 Contract Challenges"
},
"contractPeriod": {
"endDate": "2029-10-31T23:59:59Z",
"maxExtentDate": "2034-10-31T23:59:59Z",
"startDate": "2026-09-01T00:00:00+01:00"
},
"description": "This sealant material is for internal application of sealant materials (which may be applied externally, being pumped into the annulus from an external source) used to prevent the passage of gas along the annulus formed between an inserted plastic pipe and an existing metallic pipe.",
"hasRenewal": true,
"id": "1",
"renewal": {
"description": "3 year initial term with the option to extend a further 5 x 1 years thereafter"
},
"selectionCriteria": {
"criteria": [
{
"description": "Supplier will have the opportunity to select which lot/s they wish to bid for.",
"forReduction": true
}
]
},
"status": "active",
"title": "Lot 1 - Annular sealants",
"value": {
"amountGross": 3000000,
"currency": "GBP"
}
},
{
"awardCriteria": {
"criteria": [
{
"description": "The Non-Commercial section will have weighted questions and weightings are detailed in NGNs tender platform Market Dojo. \nSuppliers must achieve a minimum percentage score of 70% to pass this section and move on the RFP 2 - Commercial.",
"name": "RFP 1 - Non-Commercial",
"type": "price"
},
{
"description": "Suppliers can BID for any lines under the lot/s they put in for. Suppliers do not have to BID on all lines under each lot/s they put in for. \nSuppliers must include: Price per unit, Lead Time, MOQ (Minimum Order Quantity) \u0026 Supplier Part number detail for each line they BID on. \nSuppliers will be given an overall score for each line they bid for, incorporating all above-mentioned detail in the bullet point above, provided by the supplier. \nNGN will award each individual line a primary \u0026 alternative supplier/s. \nAward for alternative suppliers will only be given to any supplier that are awarded as a primary supplier of any line. If a supplier does not win any primary line, they will not be awarded a spot on the framework.\nContract Challenges - This will be evaluated based on the legal scoring methodology set out in Market Dojo in the later RFP stages.",
"name": "RFP 2 - Commercial",
"type": "price"
}
],
"weightingDescription": "RFP 1 - Non-Commercial - Q\u0026A\nRFP 2 - Commercial - Pricing \u0026 Contract Challenges"
},
"contractPeriod": {
"endDate": "2029-10-31T23:59:59Z",
"maxExtentDate": "2034-10-31T23:59:59Z",
"startDate": "2026-09-01T00:00:00+01:00"
},
"description": "Materials used to make a full permanent repair on either metallic or PE pipe by means of either internal or external application.",
"hasRenewal": true,
"id": "2",
"renewal": {
"description": "3 year initial term with the option to extend a further 5 x 1 years thereafter"
},
"selectionCriteria": {
"criteria": [
{
"description": "Supplier will have the opportunity to select which lot/s they wish to bid for.",
"forReduction": true
}
]
},
"status": "active",
"title": "Lot 2 - Leakage Sealants",
"value": {
"amountGross": 3000000,
"currency": "GBP"
}
},
{
"awardCriteria": {
"criteria": [
{
"description": "The Non-Commercial section will have weighted questions and weightings are detailed in NGNs tender platform Market Dojo. \nSuppliers must achieve a minimum percentage score of 70% to pass this section and move on the RFP 2 - Commercial.",
"name": "RFP 1 - Non-Commercial",
"type": "price"
},
{
"description": "Suppliers can BID for any lines under the lot/s they put in for. Suppliers do not have to BID on all lines under each lot/s they put in for. \nSuppliers must include: Price per unit, Lead Time, MOQ (Minimum Order Quantity) \u0026 Supplier Part number detail for each line they BID on. \nSuppliers will be given an overall score for each line they bid for, incorporating all above-mentioned detail in the bullet point above, provided by the supplier. \nNGN will award each individual line a primary \u0026 alternative supplier/s. \nAward for alternative suppliers will only be given to any supplier that are awarded as a primary supplier of any line. If a supplier does not win any primary line, they will not be awarded a spot on the framework.\nContract Challenges - This will be evaluated based on the legal scoring methodology set out in Market Dojo in the later RFP stages.",
"name": "RFP 2 - Commercial",
"type": "price"
}
],
"weightingDescription": "RFP 1 - Non-Commercial - Q\u0026A\nRFP 2 - Commercial - Pricing \u0026 Contract Challenges"
},
"contractPeriod": {
"endDate": "2029-10-31T23:59:59Z",
"maxExtentDate": "2034-10-31T23:59:59Z",
"startDate": "2026-09-01T00:00:00+01:00"
},
"description": "A bar hole is a hole made in the soil or pavement with a hand-operated bar for the specific purpose of testing the subsurface atmosphere with a combustible gas indicator. The Materials used to plug a hole following bar hole work to provide a full permanent seal of the surface.",
"hasRenewal": true,
"id": "3",
"renewal": {
"description": "3 year initial term with the option to extend a further 5 x 1 years thereafter"
},
"selectionCriteria": {
"criteria": [
{
"description": "Supplier will have the opportunity to select which lot/s they wish to bid for.",
"forReduction": true
}
]
},
"status": "active",
"title": "Lot 3 - Bar Hole Sealing",
"value": {
"amountGross": 3000000,
"currency": "GBP"
}
},
{
"awardCriteria": {
"criteria": [
{
"description": "The Non-Commercial section will have weighted questions and weightings are detailed in NGNs tender platform Market Dojo. \nSuppliers must achieve a minimum percentage score of 70% to pass this section and move on the RFP 2 - Commercial.",
"name": "RFP 1 - Non-Commercial",
"type": "price"
},
{
"description": "Suppliers can BID for any lines under the lot/s they put in for. Suppliers do not have to BID on all lines under each lot/s they put in for. \nSuppliers must include: Price per unit, Lead Time, MOQ (Minimum Order Quantity) \u0026 Supplier Part number detail for each line they BID on. \nSuppliers will be given an overall score for each line they bid for, incorporating all above-mentioned detail in the bullet point above, provided by the supplier. \nNGN will award each individual line a primary \u0026 alternative supplier/s. \nAward for alternative suppliers will only be given to any supplier that are awarded as a primary supplier of any line. If a supplier does not win any primary line, they will not be awarded a spot on the framework.\nContract Challenges - This will be evaluated based on the legal scoring methodology set out in Market Dojo in the later RFP stages.",
"name": "RFP 2 - Commercial",
"type": "price"
}
],
"weightingDescription": "RFP 1 - Non-Commercial - Q\u0026A\nRFP 2 - Commercial - Pricing \u0026 Contract Challenges"
},
"contractPeriod": {
"endDate": "2029-10-31T23:59:59Z",
"maxExtentDate": "2034-10-31T23:59:59Z",
"startDate": "2026-09-01T00:00:00+01:00"
},
"description": "The objective is to temporarily stop the flow in a specific area of the network without disrupting the remainder of the local network.",
"hasRenewal": true,
"id": "4",
"renewal": {
"description": "3 year initial term with the option to extend a further 5 x 1 years thereafter"
},
"selectionCriteria": {
"criteria": [
{
"description": "Supplier will have the opportunity to select which lot/s they wish to bid for.",
"forReduction": true
}
]
},
"status": "active",
"title": "Lot 4 - Flow Stopping",
"value": {
"amountGross": 3000000,
"currency": "GBP"
}
},
{
"awardCriteria": {
"criteria": [
{
"description": "The Non-Commercial section will have weighted questions and weightings are detailed in NGNs tender platform Market Dojo. \nSuppliers must achieve a minimum percentage score of 70% to pass this section and move on the RFP 2 - Commercial.",
"name": "RFP 1 - Non-Commercial",
"type": "price"
},
{
"description": "Suppliers can BID for any lines under the lot/s they put in for. Suppliers do not have to BID on all lines under each lot/s they put in for. \nSuppliers must include: Price per unit, Lead Time, MOQ (Minimum Order Quantity) \u0026 Supplier Part number detail for each line they BID on. \nSuppliers will be given an overall score for each line they bid for, incorporating all above-mentioned detail in the bullet point above, provided by the supplier. \nNGN will award each individual line a primary \u0026 alternative supplier/s. \nAward for alternative suppliers will only be given to any supplier that are awarded as a primary supplier of any line. If a supplier does not win any primary line, they will not be awarded a spot on the framework.\nContract Challenges - This will be evaluated based on the legal scoring methodology set out in Market Dojo in the later RFP stages.",
"name": "RFP 2 - Commercial",
"type": "price"
}
],
"weightingDescription": "RFP 1 - Non-Commercial - Q\u0026A\nRFP 2 - Commercial - Pricing \u0026 Contract Challenges"
},
"contractPeriod": {
"endDate": "2029-10-31T23:59:59Z",
"maxExtentDate": "2034-10-31T23:59:59Z",
"startDate": "2026-09-01T00:00:00+01:00"
},
"description": "Utilising a gland box, the old main is kept live throughout the insertion process and the new PE is gassed up to maintain gas supplies to individual customers. After the new main is inserted, the main is still kept live to supply customers via the annular space between the two mains until it is convenient to transfer the services to the new main",
"hasRenewal": true,
"id": "5",
"renewal": {
"description": "3 year initial term with the option to extend a further 5 x 1 years thereafter"
},
"selectionCriteria": {
"criteria": [
{
"description": "Supplier will have the opportunity to select which lot/s they wish to bid for.",
"forReduction": true
}
]
},
"status": "active",
"title": "Lot 5 - Live Insertion",
"value": {
"amountGross": 3000000,
"currency": "GBP"
}
}
],
"mainProcurementCategory": "goods",
"procedure": {
"features": "This procurement will follow the following process:\n- Tender notice issued (this notice) for 25 days\n- Interested suppliers to follow Market Dojo link to the Conditions of Participation stage (Pass/Fail)\n- Suppliers who Pass the Conditions of Participation will be invited to Accreditations Questionnaire (Pass/Fail)\n- Suppliers who Pass the Accreditations Questionnaire will be invited to a PQQ \n- The PQQ end date 31st October 2025\n- PQQ responses evaluated\n- Suppliers who score over 60% will be invited to tender (RFP Phase 1)\n- RFP Phase 1 live until 13th February 2026\n- RFP Phase 1 responses evaluated based on 100% non- commercial (Suppliers must achieve a minimum % score of 70% to move on to RFP 2)\n- All participants who pass RFP Phase 1 will be invited to RFP Phase 2.\n- RFP Phase 2 live until 8th May 2026\n- RFP Phase 2 responses evaluated based on 100% Contract Challenges (Information only Commercial section)\n- Final evaluations carried out\n- Suppliers notified of the outcome\nFull details are made available in the tender scope.\nIf supplementary stages are required throughout the process, or stages noted in the strategy defined above are no longer required, it is at NGN\u0027s discretion to include or remove stages.\nIt is at the discretion of NGN to change the weightings/criteria or add additional sub-criteria/weightings to the PQQ or RFP if there is a need to do so before the submission deadline of the relevant stage. \nAny changes to the evaluation criteria will be communicated\nto all Bidders."
},
"procurementMethod": "selective",
"procurementMethodDetails": "Competitive flexible procedure",
"specialRegime": [
"utilities"
],
"status": "active",
"submissionMethodDetails": "Please review the attached document and follow instructions within in order to participate in this event.\nIt is suppliers responsibility to follow all instructions to participate in the attached document within this tender notice.",
"submissionTerms": {
"electronicSubmissionPolicy": "notAllowed",
"languages": [
"en"
]
},
"techniques": {
"frameworkAgreement": {
"description": "NGN will award each individual line a primary \u0026 alternative supplier/s. \nAward for alternative suppliers will only be given to any supplier that is awarded as a primary supplier of any line. If a supplier does not win any primary line, they will not be awarded a spot on the framework.",
"method": "withAndWithoutReopeningCompetition",
"type": "closed"
},
"hasFrameworkAgreement": true
},
"title": "Provision of Leakage \u0026 Repair",
"value": {
"amountGross": 3000000,
"currency": "GBP"
}
}
}