Attachment 5: General Notes and Foundation Plan

GENERAL NOTES

EXCAVATIONS

• GEOTECHNICAL ENGINEER IS TO CERTIFY A SITE IS SAFE FOR WORKERS
• WHEN THE SLOPE OF THE EXCAVATION EXCEEDS 3/4 HORIZONTAL TO 1 VERTICAL OR EXCAVATION EXCEEDS 48"
• INSPECTIONS CAN ONLY BE DONE IF SITE IS POSTED AS SAFE BY PROF. ENGINEER

FOUNDATIONS

• SOIL BEARING PRESSURE IS ASSUMED TO BE A MINIMUM OF 1500 PSI
• CONCRETE TO BE 25 MPA/3500 PSI STRENGTH AT 28 DAYS
• FOR GARAGE FLOOR AND EXTERIOR STEPS CONCRETE TO BE 32 MPA/ 3500 PSI STRENGTH AT 28 DAYS
• DO NOT POUR ON FROZEN GROUND OR WATER
• FOOTINGS TO EXTEND TO SOLID BEARING
• FOOTINGS TO BE A MINIMUM OF 18" BELOW LOCAL FROST LINE
• PROVIDE 1/2" DIA ANCHOR BOLTS @ 6' 0" O.C.
• ANCHOR POSTS TO FOOTINGS TO RESIST UPLIFT
• FOUNDATION/FOOTINGS/CONCRETE SLAB TO BE VERIFIED BY ENGINEER FOR STRUCTURAL INTEGRITY AND LOAD CAPABILITIES
• COMPACT NON-ORGANIC FILL UNDER CONCRETE SLABS
• FINISH GRADE SITE TO DIRECT SURFACE WATER FLOW AWAY FROM PERIMETER OF STRUCTURE/ HOUSE
• BOND BREAK MATERIAL REQUIRED BETWEEN FOUNDATION ON ROCK AND SLABS
• PROVIDE 6" CLEARANCE BETWEEN GRADE AND SIDING
• PROVIDE 2" CLEARANCE BETWEEN HANDICAPPED GROUND AND SIDING

EXTERNAL WALL DAMPPROOFING

• PROVIDE 2 COATS OF ASPHALT DAMPPROOFING TO EXTERNAL SIDE OF FOUNDATIONS

WALL SILL PLATES AND POST ANCHORS

• PROVIDE 1/2" DIA ANCHOR BOLTS @ 4' 0" O.C.
• OR ANCHOR STRAPS @ 4' 0" MAXIMUM
• ANCHOR POSTS TO FOOTINGS WITH PIN ANCHOR SADDLES
• #15 DAMPPROOFING FELT OR MANUFACTURED SILL GASKET UNDER WALL SILL PLATES IN CONTACT WITH CONCRETE FOUNDATION

FRAMING

• ALL LOAD BEARING WOOD MEMBERS TO BE DOUGLAS FIR #2 OR BETTER, OR AS NOTED
• HEM FIR #2 OR BETTER FOR NON-LOADBEARING WOOD MEMBERS
• PLYWOOD SHEATING TO BE STANDARD GRADE D-FIR OR SPRUCE
• FLOOR SHEATING 5/8" TONGUE AND GROOVE, GLUED AND NAILED, WITH 10D NAILS @ 6" O.C. EDGES AND 10" O.C. FIELD
• LINTELS TO BE 2-2X10" #2 DOUGLAS FIR OR AS NOTED
• GLULAM AND MICRO-LAM BEAMS TO BE ENGINEER DESIGNED, CONTRACTOR TO SUBMIT LETTER OR DESIGN BEFORE PERMIT ISSUANCE AND THE CERTIFICATE OF MANUFACTURE BEFORE ERECTION
• ROOF TRUSS DESIGN TO BE ENGINEERED PRIOR TO INSTALLATION
• CROSS BRIDGING REQUIRED @ 7'-0" MAX FOR FLOOR AND ROOF JOISTS

INSULATION AND VENTILATION

• UNIFORMLY DISTRIBUTE VENTILATION TO FLAT AND VAULTED ROOFS TO 1/300 OF INSULATED CEILING AREA.
• UNHEATED CRAWLSPACES TO BE VENTED MINIMUM 1/500 OF AREA WITH CLOSABLE VENTS
• VENTING IS REQUIRED TO BE 2-WAY
• MIN. 2X2 CROSS PURLINS TO FLAT, VAULTED CEILINGS AND DECKS OVER LIVING AREAS
• PROVIDE MIN. 2" CLEARANCE BETWEEN ROOF SHEATHING AND INSULATION
• PROVIDE MIN. 1" CLEARANCE BETWEEN TOP OF DECK AND ROOF JOIST AND INSULATION
• 6MIL POLY VAPOUR BARRIER SHALL BE INSTALLED TO THE WARM SIDE OF INSULATION
• PROVIDE BAFFLE FOR AIR SPACE (EQUA. TO SOFFIT VENTING) BETWEEN INSULATION AND ROOF SHEATHING AT EXTERIOR WALL LINE
• ALL ROOF SPACES SHALL BE VENTILATED WITH SOFFIT, ROOF, OR GABLE VENTS, OR A COMBINATION OF THESE, EQUALLY DISTRIBUTED BETWEEN TOP OF ROOF SPACE AND SOFFITS
• INSULATION REQUIREMENTS MAY VARY WITH HEATING SYSTEMS AND WITH LOCAL CONDITIONS. CHECK WITH LOCAL AUTHORITIES

MINIMUM INSULATION VALUES

• R14 2X4 WALLS
• R24 2X6 WALLS
• R40 ROOF/ CEILING
• R10 RIGID INSULATION REQUIRED AROUND UNHEATED SLABS ON GRADE
• CEILING AND WALLS TO HAVE 6 MIL POLY VAPOUR BARRIER, FULLY CAULKED AS PER 9.25
• 5/8" GYPSUM WALL BOARD REQUIRED TO CEILING MEMBERS AT 24" O.C.
• 1/2" GYPSUM WALL BOARD REQUIRED TO WALL MEMBERS AT 16" O.C.
• FOAMED PLASTIC INSULATION REQUIRES PROTECTION TO 9.10.16.10 (1/2" DRYWALL TYPICAL)
• INSULATION, WHERE SUBJECT TO MECHANICAL DAMAGE, IS TO BE COVERED AS PER 9.25.2.3.(7) WITH DRYWALL OR EQUIVALENT
• 20" VERTICAL OR HORIZONTAL FROM BOTTOM EDGE OF SLAB

VAPOUR BARRIER

• WHERE AN INTERIOR FRAME WALL MEETS A CEILING REQUIRED TO HAVE VAPOUR BARRIER PROTECTION ON AN EXTERIOR WALL, THE VAPOUR BARRIER SHALL BE CONTINUOUS AT THE CEILING OR WALL INTERSECTION
• PROVIDE VAPOUR BARRIER PROTECTION ON THE INSIDE OF THE INSULATION AT BOX JOISTS
• ALL JOISTS IN VAPOUR BARRIERS, SUCH AS THOSE CUT FOR THE INSTALLATION OF ELECTRICAL WIRING, ELECTRICA BOXES, PIPING OR DUCTWORK MUST BE SEALED TO MAINTAIN THE INTEGRITY OF THE VAPOUR BARRIER OVER THE JOINT
• VAPOUR PROOF ELECTRICAL BOXES ARE RECOMMENDED FOR EXTERIOR WALLS
• ALL JOINTS IN VAPOUR BARRIER MUST BE SEALED OR LAPPED AT LEAST 4" AND OCCUR AT FRAMING MEMBERS, FURRING OR BLOCKING
• DUCTWORK IN ATTIC OR ROOF SPACE MUST HAVE ALL JOINTS TAPED OR OTHERWISE SEALED TO ENSURE THE DUCTS ARE AIRTIGHT THROUGHOUT THEIR LENGTH, DUCTS ARE TO BE INSULATED WITH DUCT INSULATION WITH MOISTURE BARRIER
• CLEARANCE BETWEEN CHIMNEYS OR GAS VENTS AND THE SURROUNDING CONSTRUCTION WHICH WOULD PERMIT AIR LEAKAGE FROM WITHIN THE BUILDING INTO AN ATTIC OR ROOF SPACE MUST BE SEALED BY NON COMBUSTIBLE MATERIAL TO PREVENT SUCH LEAKAGE

FINISHING

• ALL INTERIOR AND EXTERIOR FINISHING MATERIALS SHOWN ON PLANS TO BE CONFIRMED BY HOMEOWNER
• GARAGE DOOR TO LIVING SPACES TO BE SOLID CORE, SELF CLOSING, AND WEATHER STRIPPED
• EXTERIOR DOORS TO BE SOLID CORE AND WEATHER STRIPPED
• FLASH AT ALL HORIZONTAL CHANGES IN EXTERIOR FINISHES
• CAULK AROUND ALL UNFLASHED EXTERIOR OPENINGS

HEATING SYSTEM

• ELECTRIC BASEBOARD - TBC BY CLIENT

GLAZING

• WINDOW AND DOOR SIZES ARE SHOWN IN FEET AND INCHES, WIDTH BY HEIGHT
• VINYL WINDOWS TO MATCH RESIDENCE, ARGON FILLED, DOUBLE GLAZED, WITNERGY STAR RATING OR BETTER
• CONTRACTOR TO DOUBLE CHECK WINDOW SIZES AND R/O DIMENSIONS LISTED W/ MANUFACTURER'S LISTED R/O DIMENSIONS AND W/FRAMED OPENING DIMENSIONS
• SAFETY GLASS IS REQUIRED FOR WINDOWS WITHIN 36" OF DOOR LOCKS, SIDELITES GREATER THAN 20" THAT CAN BE MISTAKEN FOR DOORS, GLASS IN WINDOWS LESS THAN 8" OFF FLOOR, GLASS IN AN ENTRANCE OR SLIDING DOOR, WINDOWS IN WALLS ENCLOSING A TUB OR SHOWER
• PROVISION FOR VINYL SASH AND FRAMES, 1/2" THERMAL GLAZING IN THERMAL BREAK VINYL FRAMES MIN