Standard: BS EN 13280:2001 and British Standard BS 7491 Part 3:1994
Materials: Sheet Moulding Compound (SMC) consists of below specification
Resin – Isophthalic unsaturated polyester resin conforming to BS 3532 specification
Fiber Glass – Low alkali fiberglass conforming to JIS R3411 to R3417 or BS 3396, BS 3496, and BS 3749 specifications.
Testing Method: BS2782
Manufacturing Process: Hot pressed SMC compression moulding
Ladder :
External: Standard: Hot Dipped Galvanised Steel, 300mm width
Internal: Standard GRP
Optional : SS 304 and 316, 300mm width
Water Level Indicator :
Standard: Direct Reading Clear Tube Type
Optional: Reversed Reading Mechanical Ball Float Type (Cat & Mouse)