Schedule 1 AUTHORISED DEVELOPMENTI1
England, Wales and Scotland
Work No. 1a – The improvement of the eastbound carriageway of the M4 Motorway (51.3 kilometres in length) commencing at grid reference 465337E; 171339N and terminating at grid reference 510045E; 178287N; and
Work No. 1b – The improvement of the westbound carriageway of the M4 Motorway (51.3 kilometres in length) commencing at grid reference 510079E; 178265N and terminating at grid reference 465313E; 171333N;
such works including—
conversion of the existing hard shoulder to a running lane;
the provision of a hardened central reserve with a rigid concrete barrier dividing Works No. 1a and 1b;
the construction of 18 no. super-span portal gantries above the M4 motorway each spanning both Works No. 1a and 1b, as shown on drawing 514451-MUH-ST-ZZ-DR-GN-301411 of the engineering drawings and sections, within the gantry siting locations shown as “Gantry Type 1” on the works plans, including gantry foundations, gantry structure, signs, signals, sign illumination, control cabinets, power and communication cable connections;
the construction of 5 no. single carriageway portal gantries above the M4 motorway each spanning either Works No. 1a or 1b, as shown on drawing 514451-MUH-ST-ZZ-DR-GN-301412 of the engineering drawings and sections, within the gantry siting locations shown as “Gantry Type 2” on the works plans, including gantry foundations, gantry structure, signs, signals, sign illumination, control cabinets, power and communication cable connections;
the construction of 24 no. super-span cantilever gantries above the M4 over either Works No. 1a or 1b, as shown on drawing 514451-MUH-ST-ZZ-DR-GN-301413 of the engineering drawings and sections, within the gantry siting locations shown as “Gantry Type 3” on the works plans, including gantry foundations, gantry structure, signs, signals, sign illumination, control cabinets, power and communication cable connections;
the construction of 25 no. sign-only cantilever gantries above the M4 over either Works No. 1a or 1b, as shown on drawing 514451-MUH-ST-ZZ-DR-GN-301414 of the engineering drawings and sections, within the gantry siting locations shown as “Gantry Type 4” on the works plans, including gantry foundations, gantry structure, signs, sign illumination, control cabinets, power cable connections;
the construction of 51 no. MS4 signal cantilever gantries above the M4 over either Works No. 1a or 1b, as shown on drawing 514451-MUH-ST-ZZ-DR-GN-301415 and 514451-MUH-ST-ZZ-DR-GN-301416 of the engineering drawings and sections, within the gantry siting locations shown as “Gantry Type 5” on the works plans, including gantry foundations, gantry structure, signals, control cabinets, power and communication cable connections;
the construction of 7 no. MS3 signal cantilever gantries above the M4 over either Works No. 1a or 1b, as shown on drawing 514451-MUH-ST-ZZ-DR-GN-301417 of the engineering drawings and sections, within the gantry siting locations shown as “Gantry Type 6” on the works plans, including gantry foundations, gantry structure, signals, control cabinets, power and communication cable connections;
the construction of new signs and signals on 7 no. re-used portal gantries above the M4 over either Works No. 1a or 1b, within the gantry siting locations shown as “Re-used Gantry Type 7” on the works plans, including removal of existing signs and signals, refurbishment of gantry structure, signs, signals, sign illumination, control cabinets and power and communication cable connections;
the provision of new signals on 20 no. re-used cantilever gantries above the M4 over either Works No. 1a or 1b, within the gantry siting locations shown as “Re-used Gantry Type 8” on the works plans, including removal of existing signs and signals, refurbishment of gantry structure, signals, control cabinets and power and communication cable connections;
the demolition of 41 no. existing gantries above the M4 within the gantry siting locations shown as “Demolish Gantry” on the works plans, including decommissioning, demolition to ground level and removal from site;
the construction of 17 no. emergency refuge areas on the eastbound carriageway of the M4 motorway at the locations shown by “ERA” on the works plans, including the installation of emergency telephones;
the construction of 16 no. emergency refuge areas on the westbound carriageway of the M4 motorway at the locations shown by “ERA” on the works plans, including the installation of emergency telephones;
the construction of 5 no. police observation platforms on the eastbound carriageway of the M4 motorway at the locations shown by “POP” on the works plans;
the construction of 4 no. police observation platforms on the westbound carriageway of the M4 motorway at the locations shown by “POP” on the works plans; and
the construction and installation of 139 no. closed circuit television camera supports on the M4 motorway at the locations shown by a camera icon on the works plans.