Construction, Maintenance and Replacement of Gas Distribution Mains and Services — Scotland Gas Networks
Published
Supplier(s)
Description
Scotland Gas Networks plc (‘ScGN’) are a gas distribution utility regulated by the Office of Gas and Electricity Markets (‘Ofgem’). ScGN is seeking experienced suppliers to assist the Network with the delivery of a range of regulatory outputs predominantly over the period 2021 to 2026 with optional extensions of 2 x of up to 12 months. The primary works activity will be the policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes and risers (up to 6 storeys) across Scotland Network. The majority of the cast-iron mains to be abandoned and renewed will be in the diameter range 3” to 8”(referred to as ‘Tier 1 Mains’) with a significantly smaller quantity in the diameter range 9” – 12” (‘Tier 2 Mains’) and diameter range 15” and above (‘Tier 3 Mains’). The mains are located in predominantly urban. Lot 1: North — all Areas North of the River Forth ScGN are seeking experienced suppliers to assist the Network with the delivery of a range of Ofgem regulatory outputs predominantly over the GD2 period (2021 to 2026). The primary works activity will be the policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes and risers (up to 6 storeys) across Scotland Network. The majority of the cast-iron mains to be abandoned and renewed will be in the diameter range 3” to 8” (referred to as ‘Tier 1 Mains’) with a significantly smaller quantity in the diameter range 9” – 12” (‘Tier 2 Mains’) and diameter range 15” and above (‘Tier 3 Mains’). The mains are located in predominantly urban locations including Edinburgh, Glasgow and most major cities and towns and operate at pressures up to 2 bar. Most replacement mains will be constructed using live or dead mains insertion techniques as ‘best engineering practice’ in order to reduce reinstatement costs and increase productivity. The works will also include pricing options for open cut mainlaying. In addition to the primary works activities detailed above, the framework agreement will include the following secondary works activities which typically account for 5 % - 15 % of the total annual workload: • replacement of 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 355 mm diameter; • construction of new reinforcement mains to increase the capacity of the network up to 355 mm diameter. Suppliers will be required to provide experienced and competent resources to safely deliver the primary works annual policy mains replacement works target and an element of the inclusive secondary works. The supplier will be required to supply management, supervision resource management, traffic management, main laying, service laying reinstatement and meter works. ScGN will undertake or provide the role of the CDM principal designer and is seeking suppliers who will undertake and deliver the roles and responsibilities of a CDM principal Contractor or CDM contractor to provide a fully managed service to ScGN, including but not limited to pre-construction surveys, works scheduling, material ordering, customer liaison, stakeholder engagement, supervision and management of all on site resources, SHE management and auditing. As such, ScGN will be seeking safety conscious Suppliers with experience and competence in mains and service replacement works in a street work environment. Lot 2: East - Lothians, Edinburgh city and Stirlingshire ScGN are seeking experienced suppliers to assist the Network with the delivery of a range of Ofgem regulatory outputs predominantly over the GD2 period (2021 to 2026). The primary works activity will be the policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes and risers (up to 6 storeys) across Scotland Network. The majority of the cast-iron mains to be abandoned and renewed will be in the diameter range 3” to 8” (referred to as ‘Tier 1 Mains’) with a significantly smaller quantity in the diameter range 9” – 12” (‘Tier 2 Mains’) and diameter range 15” and above (’Tier 3 Mains’). The mains are located in predominantly urban locations including Edinburgh, Glasgow and most major cities and towns and operate at pressures up to 2 bar. Most replacement mains will be constructed using live or dead mains insertion techniques as ‘best engineering practice’ in order to reduce reinstatement costs and increase productivity. The works will also include pricing options for open cut mainlaying. In addition to the primary works activities detailed above, the framework agreement will include the following secondary works activities which typically account for 5 % - 15 % of the total annual workload: • replacement of 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 355 mm diameter; • construction of new reinforcement mains to increase the capacity of the network up to 355 mm diameter. Suppliers will be required to provide experienced and competent resources to safely deliver the primary works annual policy mains replacement works target and an element of the inclusive secondary works. The supplier will be required to supply management, supervision resource management, traffic management, main laying, service laying reinstatement and meter works. ScGN will undertake or provide the role of the CDM principal designer and is seeking suppliers who will undertake and deliver the roles and responsibilities of a CDM principal contractor or CDM contractor to provide a fully managed service to ScGN, including but not limited to pre-construction surveys, works scheduling, material ordering, customer liaison, stakeholder engagement, supervision and management of all on site resources, SHE management and auditing. As such, ScGN will be seeking safety conscious suppliers with experience and competence in mains and service replacement works in a street work environment. Lot 3: Central — Glasgow and Lanarkshire ScGN are seeking experienced suppliers to assist the Network with the delivery of a range of Ofgem regulatory outputs predominantly over the GD2 period (2021 to 2026). The primary works activity will be the policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes and Risers (up to 6 storeys) across Scotland Network. The majority of the cast-iron mains to be abandoned and renewed will be in the diameter range 3” to 8” (referred to as ‘Tier 1 Mains’) with a significantly smaller quantity in the diameter range 9” – 12” (‘Tier 2 Mains’) and diameter range 15” and above (‘Tier 3 Mains’). The mains are located in predominantly urban locations including Edinburgh, Glasgow and most major cities and towns and operate at pressures up to 2 bar. Most replacement mains will be constructed using live or dead mains insertion techniques as ‘best engineering practice’ in order to reduce reinstatement costs and increase productivity. The works will also include pricing options for open cut mainlaying. In addition to the primary works activities detailed above, the framework agreement will include the following secondary works activities which typically account for 5 % - 15 % of the total annual workload: • replacement of 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 355 mm diameter; • construction of new reinforcement mains to increase the capacity of the network up to 355 mm diameter. Suppliers will be required to provide experienced and competent resources to safely deliver the primary works annual policy mains replacement works target and an element of the inclusive secondary works. The supplier will be required to supply management, supervision resource management, traffic management, main laying, service laying reinstatement and meter works. ScGN will undertake or provide the role of the CDM principal designer and is seeking suppliers who will undertake and deliver the roles and responsibilities of a CDM principal contractor or CDM contractor to provide a fully managed service to ScGN, including but not limited to pre-construction surveys, works scheduling, material ordering, customer liaison, stakeholder engagement, supervision and management of all on site resources, SHE management and auditing. As such, ScGN will be seeking safety conscious Suppliers with experience and competence in mains and service replacement works in a street work environment. Lot 4: West-Western Scotland, Renfrewshire and Dunbartonshire ScGN are seeking experienced suppliers to assist the Network with the delivery of a range of Ofgem regulatory outputs predominantly over the GD2 period (2021 to 2026). The primary works activitywill be the policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and Associated steel service pipes and Risers (up to 6 storeys) across Scotland Network. The majority of the cast-iron mains to be abandoned and renewed will be in the diameter range 3” to 8” (referred to as ‘Tier 1 Mains’) with a significantly smaller quantity in the diameter range 9” – 12” (‘Tier 2 Mains’) and diameter range 15” and above (‘Tier 3 Mains’). The mains are located in predominantly urban locations including Edinburgh, Glasgow and most major cities and towns and operate at pressures up to 2 bar. Most replacement mains will be constructed using live or dead mains insertion techniques as ‘best engineering practice’ in order to reduce reinstatement costs and increase productivity. The works will also include pricing options for open cut mainlaying. In addition to the primary works activities detailed above, the framework agreement will include the following secondary works activities which typically account for 5 % - 15 % of the total annual workload: • replacement of 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 355 mm diameter; • construction of new reinforcement mains to increase the capacity of the network up to 355 mm diameter. Suppliers will be required to provide experienced and competent resources to safely deliver the primary works annual policy mains replacement works target and an element of the inclusive secondary works. The supplier will be required to supply management, supervision resource management, traffic management, main laying, service laying reinstatement and meter works. ScGN will undertake or provide the role of the CDM principal designer and is seeking suppliers who will undertake and deliver the roles and responsibilities of a CDM principal contractor or CDM contractor to provide a fully managed service to ScGN, including but not limited to pre-construction surveys, works scheduling, material ordering, customer liaison, stakeholder engagement, supervision and management of all on site resources, SHE management and auditing. As such, ScGN will be seeking safety conscious suppliers with experience and competence in mains and service replacement works in a street work environment. Lot 5: South-Borders, Teviotdale and Dumfries and Galloway ScGN are seeking experienced suppliers to assist the Network with the delivery of a range of Ofgem regulatory outputs predominantly over the GD2 period (2021 to 2026). The primary works activitywill be the policy abandonment and replacement, with polyethylene pipework, of underground cast iron gas mains and associated steel service pipes and risers (up to 6 storeys) across Scotland Network. The majority of the cast-iron mains to be abandoned and renewed will be in the diameter range 3” to 8” (referred to as ‘Tier 1 Mains’) with a significantly smaller quantity in the diameter range 9” – 12” (‘Tier 2 Mains’) and diameter range 15” and above (‘Tier 3 Mains’). The mains are located in predominantly urban locations including Edinburgh, Glasgow and most major cities and towns and operate at pressures up to 2 bar. Most replacement mains will be constructed using live or dead mains insertion techniques as ‘best engineering practice’ in order to reduce reinstatement costs and increase productivity. The works will also include pricing options for open cut mainlaying. In addition to the primary works activities detailed above, the framework agreement will include the following secondary works activities which typically account for 5 % - 15 % of the total annual workload: • replacement of 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 355 mm diameter; • construction of new reinforcement mains to increase the capacity of the network up to 355 mm diameter. Suppliers will be required to provide experienced and competent resources to safely deliver the primary works annual policy mains replacement works target and an element of the inclusive secondary works. The supplier will be required to supply management, supervision resource management, traffic management, main laying, service laying reinstatement and meter works. ScGN will undertake or provide the role of the CDM principal designer and is seeking suppliers who will undertake and deliver the roles and responsibilities of a CDM principal contractor or CDM contractor to provide a fully managed service to ScGN, including but not limited to pre-construction surveys, works scheduling, material ordering, customer liaison, stakeholder engagement, supervision and management of all on site resources, SHE management and auditing. As such, ScGN will be seeking safety conscious Suppliers with experience and competence in mains and service replacement works in a street work environment.
Timeline
Publish date
3 years ago
Award date
3 years ago
Buyer information
Scotland Gas Networks plc
- Contact:
- Diane Pirie
- Email:
- Diane.pirie@sse.com
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