Standard Culvert Plans - TWH

Twin Box Flared Headwalls

Model Name (English) Description
TWRCB-G1-87 General Information for Twin Reinforced Concrete Box Culvert Standards
TWH 0-1-87 Dimension Table
TWH 0-2-87 Curtain Wall Details and Plain View - Apron Reinforcing, Top & Bottom
TWH 0-3-87 Typical View - Front & Back Face Reinforcing, Short & Long Wingwall, Typical Section - Near Center of Apron, Top of Wingwall Details and Section Thru Parapet
TWH 0-4-87 Bent Bar Details, Bill of Reinforcing for One Headwall, 0° Skew - 12' & 10' & 8' Spans
TWH 15-1-87 Dimension Table
TWH 15-2-87 Plain View - Apron Reinforcing Top & Bottom
TWH 15-3-87 Typical Section - Near Center of Apron, Section thru Parapet, Top of Wingwall Details and Curtain Wall Details
TWH 15-4-87 Typical Views - Front & Back Face Reinforcing, Short & Long Wingwall, Center Wingwall
TWH 15-5-87 Bent Bar Details, Bill of Reinforcing for One Headwall, 15° Skew - 12' & 10' & 8' Spans
TWH 30-1-87 Dimension Table
TWH 30-2-87 Plain View - Apron Reinforcing Top & Bottom
TWH 30-3-87 Typical Section - Near Center of Apron, Section thru Parapet, Top of Wingwall Details and Curtain Wall Details
TWH 30-4-87 Typical Views - Front & Back Face Reinforcing, Short & Long Wingwall, Center Wingwall
TWH 30-5-87 Bent Bar Details, Bill of Reinforcing for One Headwall, 30° Skew - 12' & 10' & 8' Spans
TWH 45-1-87 Dimension Table
TWH 45-2-87 Plain View - Top of Apron Reinforcing
TWH 45-3-87 Plain View - Bottom of Apron Reinforcing
TWH 45-4-87 Typical Section - Near Center of Apron, Section thru Parapet, Top of Wingwall Details and Curtain Wall Details
TWH 45-5-87 Typical Views - Front & Back Face Reinforcing, Short & Long Wingwall, Center Wingwall
TWH 45-6-87 Bent Bar Details, Bill of Reinforcing for One Headwall, 45° Skew - 12' & 10' & 8' Spans
Model Name (Metric) Description
MTWRCB-G1-95 General Information for Reinforced Concrete Box Culvert Standards
MTWH 0-1-95 Dimension Table
MTWH 0-2-95 Curtain Wall Details and Plain View - Apron Reinforcing, Top & Bottom
MTWH 0-3-95 Typical View - Front & Back Face Reinforcing, Short & Long Wingwall, Typical Section - Near Center of Apron, Top of Wingwall Details and Section Thru Parapet
MTWH 0-4-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 0° Skew - 3600 mm & 3000 mm Spans
MTWH 0-5-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 0° Skew - 2400 mm Spans
MTWH 15-1-95 Dimension Table
MTWH 15-2-95 Plain View - Apron Reinforcing, Top & Bottom
MTWH 15-3-95 Typical Section - Near Center of Apron, Top of Wingwall Details, Section thru Parapet, and Curtain Wall Details
MTWH 15-4-95 Typical Views - Front & Back Face Reinforcing, Short & Long Wingwall, Center Wingwall
MTWH 15-5-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 15° Skew - 3600 mm & 3000 mm Spans
MTWH 15-6-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 15° Skew - 2400 mm Spans
MTWH 30-1-95 Dimension Table
MTWH 30-2-95 Plain View - Apron Reinforcing, Top & Bottom
MTWH 30-3-95 Typical Section - Near Center of Apron, Top of Wingwall Details, Section thru Parapet, and Curtain Wall Details
MTWH 30-4-95 Typical View - Front & Back Face Reinforcing, Short & Long Wingwall, Center Wingwall
MTWH 30-5-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 30° Skew - 3600 mm & 3000 mm Spans
MTWH 30-6-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 30° Skew - 2400 mm Spans
MTWH 45-1-95 Dimension Table
MTWH 45-2-95 Plain View - Apron Reinforcing, Top
MTWH 45-3-95 Plain View - Apron Reinforcing, Bottom
MTWH 45-4-95 Typical Section - Near Center of Apron, Top of Wingwall Details, Section thru Parapet, and Curtain Wall Details
MTWH 45-5-95 Typical View - Front & Back Face Reinforcing, Short & Long Wingwall, Center Wingwall
MTWH 45-6-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 45° Skew - 3600 mm & 3000 mm Spans
MTWH 45-7-95 Bent Bar Details, Bill of Reinforcing for One Headwall, 45° Skew - 2400 mm Spans