Hy-Grade offers a complete range of underground utility products; including transformer vaults and manholes commonly used for electrical and communication applications. Our declaration is to be the best supplier of underground utility products by manufacturing high quality underground utility products complimented by exceptional service.
TRANSFORMER VAULTS AND PADS
UNDERGROUND UTILITY PRODUCTS
Hy-Grade Precast Concrete offers a complete range of underground utility products including transformer vaults as well as manholes used in electrical and communication applications.
- Small Standard dimensions – 3310mm x 2160mm x 1220 mm
- Large Standard dimensions – 3990mm x 2160mm x 1220 mm
- Manhole frame and cover (JW500) available
- Grade adjustment ring (Hy-Grade HW-400) available
- Galvanized frame, cover and precast sump pit available