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SGN Major Works (MW) DPS.MW.727 & Intermediate Pressure (IP) DPS.IP.727 Refurbishment Dynamic Purchasing System (DPS) - Multisite 0326

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Value

45,500,000 GBP

Close date

2026-03-31

Description

The DPS comprise the following work packages to be published as and when they become available under the following scope. Major Works (MW) Lot 1 (Lot 1 A Southern) and/or (Lot 1B Scotland) The primary works activity is for the execution of repair and replacement of mains greater than 12" and 355mm PE. Across SGN sites as they arise. • policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes with the majority of the cast-iron mains to be abandoned and renewed will be in the diameter range diameter range 9" - 12" ("Tier 2 Mains") • Replacement of all size steel mains and services due to their condition (non-policy mains replacement) • Diversion of mains and services at the request of a third party up to all size greater than 8" • Construction of new reinforcement mains to increase the capacity of the network up to all size greater than 8" Intermediate Pressure (IP) Lot 2 (Lot 2A Southern) (Lot 2B Scotland) The primary works activity is for the execution of Intermediate Pressure Works Across SGN sites as they arise. • Intermediate Pressure (IP) Mains Diversions - Design and Lay • IP Connections - Design and Lay • IP Service Laying (Industrial / Commercial) - Design and Lay • Governor Replacements at all pressure tiers - Design and Build Lot 1: Major Works (MW) Provision of Works for the execution of repair and replacement of mains greater than 12" and 355mm PE Major Works (MW) Lot 1 (Lot 1A Southern) (Lot 1B Scotland) The primary works activity is for the execution of repair and replacement of mains greater than 12" and 355mm PE. Across SGN sites as they arise. • policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes with the majority of the cast-iron mains to be abandoned and renewed will be in the diameter range diameter range 9" - 12" ("Tier 2 Mains") • Replacement of all size steel mains and services due to their condition (non-policy mains replacement) • Diversion of mains and services at the request of a third party up to all size greater than 8" • Construction of new reinforcement mains to increase the capacity of the network up to all size greater than 8" Lot 2: Intermediate pressure (IP) works. Intermediate Pressure (IP) Lot 2 (Lot 2A Southern) (Lot 2B Scotland) The primary works activity is for the execution of Intermediate Pressure Works Across SGN sites as they arise. • Intermediate Pressure (IP) Mains Diversions - Design and Lay • IP Connections - Design and Lay • IP Service Laying (Industrial / Commercial) - Design and Lay • Governor Replacements at all pressure tiers - Design and Build Lot 1: Major Works (MW) Provision of Works for the execution of repair and replacement of mains greater than 12" and 355mm PE Major Works (MW) Lot 1 (Lot 1A Southern) (Lot 1B Scotland) The primary works activity is for the execution of repair and replacement of mains greater than 12" and 355mm PE. Across SGN sites as they arise. • policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes with the majority of the cast-iron mains to be abandoned and renewed will be in the diameter range diameter range 9" - 12" ("Tier 2 Mains") • Replacement of all size steel mains and services due to their condition (non-policy mains replacement) • Diversion of mains and services at the request of a third party up to all size greater than 8" • Construction of new reinforcement mains to increase the capacity of the network up to all size greater than 8" Lot 2: Intermediate pressure (IP) works. Intermediate Pressure (IP) Lot 2 (Lot 2A Southern) (Lot 2B Scotland) The primary works activity is for the execution of Intermediate Pressure Works Across SGN sites as they arise. • Intermediate Pressure (IP) Mains Diversions - Design and Lay • IP Connections - Design and Lay • IP Service Laying (Industrial / Commercial) - Design and Lay • Governor Replacements at all pressure tiers - Design and Build

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