Closed Bottom Transformer Base and Pad

USI Product Code

E10B+E11-ONT Combo

Hydro One DU-09-202

Dimensions

62" (H) x 74" x 74"

1.57m (H) x 1880mm x 1880mm (OD)

Weight

10760 lbs

4890 kg

Shop Drawings

Click on image to enlarge.

E10B Base – Plan View
E11 Pad – Plan View
Cross Section A
Cross Section B
Detail – Lifting System

Construction Details

  • REFERENCE HYDRO ONE DU-09-202
  • E10B-ONT BASE AND E11-ONT PAD ASSEMBLED

Product Details

E10B-ONT BASE

  • (4) 5" [127mm] POLYLOK PIPESEAL WINDOWS (12 POLYLOKS PER WINDOW)
  • THREE PHASE BASE 150kVA TO 2500kVA
  • E10-ONT OPEN BOTTOM BASE AVAILABLE

E11-ONT PAD

  • (4) 0.5" [12mm] INSERTS (14" [356mm] x 14" [356mm] FROM EDGES)
  • PAD OPENING: 20" [508mm] x 44" [1118mm]
LOAD REQUIREMENTS
LOAD REQUIREMENTS
DISTRIBUTED LATERAL LOAD
25kN/m2
TOP SLAB DISTRIBUTED LOAD
60kN/m2
TOP SLAB POINT LOAD
70kN

Notes

  • DISTRIBUTED AND POINT LOADS ON TOP SLAB SHALL NOT BE APPLIED SIMULTANEOUSLY
  • SOIL BEARING CAPACITY TO BE MIN. 130kPA (SLS); VERIFY ON SITE
  • TRANSFORMER ANCHORAGE FROM E10B-ONT BASE THROUGH E11-ONT PAD FOR LATERAL LOADS (SEISMIC/WIND) BY OTHERS
  • COORDINATE WITH GEOTECHNICAL ENGINEER FOR GEOTECHNICAL RELATED MATTERS

Available Custom Options

  • CUSTOM KNOCKOUTS
  • PAD OPENINGS

CSA Details

CSA 23.4-05

  • 35 MPa (5000psi) AT 28 DAYS
  • STRIPPING STRENGTH: MIN. 20 MPa (2900psi)
  • 5-8% AIR ENTRAINED
  • EXPOSURE CLASS: C-1

REINFORCING: STEEL TO CSA CAN A23.1

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