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

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