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UCS provide products and services to the civil and electrical sectors | SYDNEY | Conduit, Bends, Fittings, Consumables | WELCOME UCS: Your trusted provider of electrical, telecommunications & drainage civil supplies Australia wide. Our Products All UCS products proudly meet Australian Standard AS/NZS 2053.1:2001 Electrical Button Drainage Button UNDERGROUND CIVIL SUPPLIES UCS are specialists in the supply of PVC products and accessories that are installed into the electrical, communications and civil industries. Renowned for quick turnaround times, service, industry knowledge and range of products, UCS is your one stop shop.

CONDUIT At UCS, we offer a comprehensive range of PVC conduits for electrical and communications use—available in orange and grey finishes and built to the highest Australian standards. Product Range & Specifications Electrical We stock rigid PVC electrical conduit in the following classes: HDPVC / Class 12 (orange) LDPVC / Class 6 (orange) MDPVC / Class 9 (grey) Available diameters: 20 mm through to 200 mm. Communications Conduits Telecommunication For telecommunications/communication and data networks, we supply: HD Communications (100 mm only) Telstra‑rated conduit NBN‑compatible conduit Available sizes: 20 mm to 150 mm (depending on the rating). Compliance & Standards All our conduits and fittings are manufactured in accordance with Australian Standard AS/NZS 2053.1:2001 (Conduits and fittings for electrical installations). We ensure strict adherence to the standard’s general requirements to guarantee product performance, durability, and safety. CONDUIT

SOCIAL MEDIA Customer Order Storage Fees – Effective 1 November 2026 Keep up to date with the latest by following our social media pages 21st October 2026 At Underground Civil Supplies (UCS), we understand that project schedules can change. However, extended delivery delays can place pressure on warehouse capacity and increase the risk of stock damage. From 1 November 2026, customer-requested delivery delays will be subject to the following storage policy: Two-week grace period: Customers will have two weeks from their original scheduled delivery date before storage fees apply. Storage fee: A fee of $200 per week will apply after the grace period if the order remains undelivered due to a customer-requested delay. Final invoice: Accumulated storage fees will be added to the customer's final invoice upon delivery. To avoid additional storage costs, customers may wish to arrange delivery to their own warehouse, project or site yard, or another suitable storage facility. Please contact your UCS representative to discuss delivery arrangements or any anticipated delays.” Kind Regards Underground Civil Supplies PVC Supply Update – Previous Restrictions No Longer in Effect October 2026 Following our previous communication dated 17 March 2026 regarding the PVC supply disruptions and Force Majeure event, we are pleased to advise that the temporary supply restrictions and pricing measures outlined in that notice are no longer in effect. Please note that current pricing, product availability, and lead times remain subject to confirmation at the time of order, and any new quotations or pricing arrangements will be provided by your UCS Account Manager. We would like to thank our customers for their patience and understanding throughout this period of market uncertainty. UCS remains committed to providing reliable supply and supporting our customers with their project requirements. If you have any questions or require further clarification, please contact your UCS Account Manager.

UCS provide products and services to the civil and electrical sectors | SYDNEY | Conduit, Bends, Fittings, Consumables | CONDUIT BENDS FITTINGS SPACERS PITS TRAYS STEEL CONDUIT PE PIPE TUFTDUCT DICL REINFORCED CONCRETE CRIMPS CABLE CLEATS CONDUIT FEEDERS CONSUMABLES

FILOSEAL DATASHEETS FILO SEAL Fire Report Filoform MD + UV Resistance FiloSeal + Datasheet FiloSeal + HD & MD Test Report FiloSeal + HD Fire Single FiloSeal+ HD Datasheet Mastotermes Termite Test MSDS Datasheet MD+ Sealant used in FiloSeal Range Telstra FiloSeal+ Datasheet Certificate of Conformity

PROJECTS Western Sydney Airport - Badgerys Creek Client: Diona This project involves the relocation of a 3.2km section of an existing 330kV single circuit transmission line. Transmission line 39 is a 330 kilovolt (kV), single circuit overhead connection that extends 114 kilometres between the Sydney West and Bannaby substations. An approximate 3.2 kilometre section of Transmission Line 39 crosses Commonwealth land that is the designated site for the Western Sydney Airport (the airport site). The project involves the construction of a proposed 3.8 kilometre underground cable that generally follows the perimeter of the airport site. Following construction of the new underground cable, the existing 3.2 kilometre section of overhead transmission line that crosses Commonwealth land will be demolished.

PROJECTS Substation for Datacentre All conduits, bends, fittings, spacers and hardcover were supplied by UCS for this Electrical Substation powering a Western Sydney Datacentre. .

CORRUGATED CONDUIT UCS supplies Heavy Duty, Medium Duty Solar, Communications and Heavy Duty Draw Wire Electrical Corrugated conduits, all manufactured in Australia to the highest of standards. Facts: Made in Australia Lead free Corrugated conduit conforms to AS/NZS 2053.1:2001 with B.E.P. certified material HEAVY DUTY Heavy Duty corrugated conduit is available from 16mm to 63mm (external diameter) and 80mm (internal diameter). Unplasticised PVC is a cost-effective polymer with high resistance to impact, water, weather, chemicals and corrosive environments. Due to its orange colour and high compression strength, Heavy duty is ideal for underground electrical installations requiring the concealment and protection of electrical cables. Our heavy-duty is also UV stabilised to ensure strength and stability if subject to Australia’s harsh UV rays. 16mm to 63mm conforms to AS/NZS2053.5-2001 80mm Conforms to IEC 61386-22 4.4.2.1.2.2 Made in Australia Up to 80mm Diameter Extreme UV (T) Stabilised Lead-Free B.E.P Certified COMMUNICATIONS Medium Duty Communications Corrugated Conduit is manufactured in Australia to the highest standards. Conforming to AS/NZS 2053.5-2001 and made with B.E.P Certified material. Made in Australia Up to 50mm Diameter (up to 150mm on request see our Corrugated Joiner) Extreme UV (T) Stabilised Lead Free B.E.P Certified MEDIUM DUTY Medium Duty electrical corrugated conduit is manufactured in Australia to the Australian standards. Our Medium duty is light grey in colour with outstanding UV protection from Australia’s harsh sun with extreme UV resistance. Unplasticised PVC is a cost-effective polymer with high resistance to impact, water, weather, chemicals, and corrosive environments. Our PVC corrugated conduit is manufactured from B.E.P Certified material and conforms to AS/NZS2053.5:2001. MD is available from 16mm to 63mm Made in Australia Up to 63mm Diameter (80mm available as Heavy-duty) Extreme UV (T) Stabilised Lead-Free B.E.P Certified BLACK SOLAR HDT Solar Black PVC Corrugated Conduit is manufactured in Australia to the highest standards. Conforming to AS/NZS 2053.5-2001 and AS/NZS 5033:2012 Made in Australia Made from B.E.P Certified Material Extreme UV (T) Stabilised Lead-Free Suitable for Static Solar PV Installations Available from 20mm to 63mm Suitable for Static Solar PV Installations HD ELEC DRAW WIRE Heavy Duty (HD) Corrugated Conduit is manufactured in Australia to the highest standards. Made in Australia includes draw wire for easy cable installation. Up to 63mm Diameter Extreme UV (T) Stabilised Lead Free B.E.P Certified

PROJECTS Norfolk Island AGL Upgrade Contractor – Avionics Avionics were engaged by Boral to design, supply, install and commission a new runway and taxiway lighting at Norfolk Island Airport. UCS supplied all conduits, bends/fittings and consumables to Avionics on the project. We arranged to have all items delivered to the Port of Brisbane where it was loaded into shipping containers and taken by ship across to the island.

PROJECTS Transgrid Substation UCS supplied the full electrical and drainage pit and pipe package to a regional NSW TransGrid substation project. The 1200x1200 precast concrete pits were custom built to strict TransGrid specifications. This is just one of many electrical substations UCS has supplied across the county in the last few years.