SUGGESTED ZERO LOT-LINE & PARTY WALL CONSTRUCTION DETAIL These sample drawings show suggested wall construction for Zero Lot-Line and Party Wall applications with intent to meet the Alberta Building Code without requirement for a variance. All details shown are general and not intended to provide specific construction detail or materials. Any use of these details is optional. All construction drawings or details submitted for Building Permit application are subject to review and approval by the City Of Edmonton. Should you have any questions related to these details, call 311 to speak with the Plan Examination Supervisor. Page 1 of 9
ATTIC ROOF TRUSSES AS PER SUPPLIER MAX MAINTENANCE EASEMENT 1500 mm MINIMUM EXTERIOR EXTENDED TO UNDERSIDE OF ROOF SHEATHING MAX NON VENTED SOFFIT 6mil POLY VAPOUR BARRIER 12.7 mm SUPPORT NAILER SECOND FLOOR EASEMENT LINE 12.7 mm EXTERIOR GRADE (EXTENDED TO UNDERSIDE OF ROOF SHEATHING) PROPERTY LINE RIM JOIST NO UNPROTECTED OPENINGS (WINDOWS/DOORS) PERMITTED IN MAINTENANCE EASEMENT MAIN FLOOR WALL CONSTRUCTION THE OUTER MOST FACE OF EXTERIOR FINISH SHALL NOT EXTEND BEYOND PROPERTY OR EASEMENT LINE -EXTERIOR CLADDING -BUILDING PAPER -12.7 mm EXT. -38 mm X 140 mm STUDS @ 600 mm O.C. WITH R-12 20 INSULATION -6mil POLY VAPOUR BARRIER - (IF BASEMENT CEILING IS UNFINISHED) (IF BASEMENT CEILING IS UNFINISHED) WALL CONSTRUCTION BASEMENT -DAMPPROOFING -FOUNDATION WALL -AIRSPACE -STUD FRAMING ZERO LOT LINE ZERO LOT LINE ALLOWABLE FOOTING PROJECTION INTO EASEMENT Page 2 of 9
ROOF TRUSSES AS PER SUPPLIER MAINTENANCE EASEMENT 1500 mm MINIMUM MAX. MAX. EXTERIOR EXTENDED TO UNDERSIDE OF ROOF SHEATHING 6mil POLY VAPOUR BARRIER NON VENTED SOFFIT REQUIRED 12.7 mm SUPPORT NAILER WALL CONSTRUCTION -EXTERIOR CLADDING -BUILDING PAPER -12.7 mm EXT. -38 mm X 140 mm STUDS @ 600 mm O.C. WITH R-12 20INSULATION -6mil POLY VAPOUR BARRIER - 12.7 mm EXTERIOR GRADE (EXTENDED TO UNDERSIDE OF ROOF SHEATHING) NO UNPROTECTED OPENINGS (WINDOWS/DOORS) PERMITTED IN MAINTENANCE EASEMENT MUST EXTEND BEHIND ANY FIXTURES AND MILLWORK MUST EXTEND BEHIND STAIR STRINGER AND ANY MILLWORK EASEMENT LINE PROPERTY LINE STAIR ZERO LOT LINE Page 3 of 9
MAINTENANCE EASEMENT 1500 mm ROOF TRUSSES AS PER SUPPLIER MAX. MAX. ROOF TRUSSES AS PER SUPPLIER 12.7 mm CEILING EXTERIOR EXTENDED TO UNDERSIDE OF ROOF SHEATHING EXTENDED TO UNDERSIDE OF ROOF SHEATHING (IF CEILING IS UNFINISHED) NON VENTED SOFFIT REQUIRED WALL CONSTRUCTION -EXTERIOR CLADDING -BUILDING PAPER -12.7 mm EXT. -38 mm X 89 mm STUDS @ 400 mm O.C. WITH R-12 INSULATION -6mil POLY VAPOUR BARRIER - 12.7 mm EXTERIOR GRADE (EXTENDED TO UNDERSIDE OF ROOF SHEATHING) NO UNPROTECTED OPENINGS (WINDOWS/DOORS) PERMITTED IN MAINTENANCE EASEMENT EASEMENT LINE PROPERTY LINE ZERO LOT LINE DETACHED GARAGE Page 4 of 9
15.9mm TYPE X 15.9mm TYPE X ATTIC FIRE STOP SECOND FLOOR FIRE STOP MINIMUM REQUIREMENTS -two rows 38mm x 89 mm framing, each spaced 600 mm o.c., and 25mm apart -89mm thick absorptive material on each side -15.9mm Type X gypsum board MAIN FLOOR FIRE STOP 15.8mm TYPE X 15.9mm TYPE X (IF NO 1/2" TYPE X GYSUM BOARD CEILING) BASEMENT SECTION 1 - Typical 1hr Partywall SCALE 3/8" = 1' - 0" Page 5 of 9
1200mm 1500mm 900mm 1200mm LOCATION OF REQUIRED NON VENTED SOFFIT AT OFFSET IN DWELLING UNITS. VIEW 1 1200mm FULL LENGTH 1100mm 900mm 1200mm LOCATION OF REQUIRED NON VENTED SOFFIT AT OFFSET IN DWELLING UNITS. VIEW 2 Page 6 of 9
1 1200 mm 900 mm 1500 mm 1200 mm REQUIRED NON VENTED SOFFIT WINDOWS FURTHER THAN 1200MM FROM PARTYWALL ONLY REQUIRE NON VENTED SOFFIT TO EXTEND 1200MM FROM PARTYWALL WINDOWS CLOSER THAN 1200MM TO PARTYWALL REQUIRE NON VENTED SOFFIT TO EXTEND FROM PARTYWALL TO 1200MM BEYOND WINDOW 1 1100 mm 900 mm 1200 mm 850 mm 1200 mm CENTRELINE OF PARTYWALL NOTE: Not a property line. 2 Page 7 of 9
1200mm 1200mm LOCATION OF REQUIRED NON VENTED SOFFIT AT OFFSET IN DWELLING UNITS. VIEW 3 1200mm FULL LENGTH 1200mm LOCATION OF REQUIRED NON VENTED SOFFIT AT OFFSET IN DWELLING UNITS. VIEW 4 Page 8 of 9
3 1200 mm 1200 mm 1 1200 mm 1200 mm CENTRELINE OF PARTYWALL 4 Page 9 of 9