GN Guidelines
Design and Installation
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Design and Installation
2. THE CATCH WITH CATHEDRAL CEILINGS
2. THE CATCH WITH CATHEDRAL CEILINGS
4. WHY YOUR TIMBER TRUSSES NEED CAMBER
4. WHY YOUR TIMBER TRUSSES NEED CAMBER
5. SOLVING THE CAMBER PROBLEM
5. SOLVING THE CAMBER PROBLEM
6. A SIMPLE MATTER OF ADDITION
6. A SIMPLE MATTER OF ADDITION
13. MISCONCEPTIONS IN FRAMING COVED CEILINGS
13. MISCONCEPTIONS IN FRAMING COVED CEILINGS
15. DESIGN OF TIMBER SWIMMING POOL STRUCTURES
15. DESIGN OF TIMBER SWIMMING POOL STRUCTURES
18. ARE ALL HOUSES BUILDABLE?
18. ARE ALL HOUSES BUILDABLE?
23. GABLE END FRAMING
23. GABLE END FRAMING
27. ARE YOUR JOINTS UP TO STRENGTH?
27. ARE YOUR JOINTS UP TO STRENGTH?
29. KEEP 'EM STRAIGHT – KEEPS 'EM STRONG
29. KEEP 'EM STRAIGHT – KEEPS 'EM STRONG
31. ARE YOUR DESIGNS BEING FOLLOWED ON SITE?
31. ARE YOUR DESIGNS BEING FOLLOWED ON SITE?
34. CEILING SYSTEMS AND BOTTOM CHORD RESTRAINT
34. CEILING SYSTEMS AND BOTTOM CHORD RESTRAINT
36. OLD TRAPS FOR NEW PLAYERS
36. OLD TRAPS FOR NEW PLAYERS
37. DEMYSTIFYING BOWSTRING TRUSSES
37. DEMYSTIFYING BOWSTRING TRUSSES
40. FLOOR TRUSSES ARE NOT FLOOR JOISTS
40. FLOOR TRUSSES ARE NOT FLOOR JOISTS
42. NAILPLATE DURABILITY
42. NAILPLATE DURABILITY
46. MURPHY'S LAW OF INSTALLING TRUSSES
46. MURPHY'S LAW OF INSTALLING TRUSSES
47. THE CATCH WITH CATHEDRAL CEILINGS
47. THE CATCH WITH CATHEDRAL CEILINGS
48. "TO BE DESIGNED BY THE FABRICATOR"
48. "TO BE DESIGNED BY THE FABRICATOR"
49. SPECIAL LOADING FOR ROOF TRUSSES
49. SPECIAL LOADING FOR ROOF TRUSSES
53. "TO BE DETERMINED BY THE FABRICATOR"
53. "TO BE DETERMINED BY THE FABRICATOR"
69. LOAD BEARING FLOOR TRUSSES
69. LOAD BEARING FLOOR TRUSSES
75. TO THE CODE …
75. TO THE CODE …
83. CONTINUOUS SPANS – PITFALLS TO AVOID
83. CONTINUOUS SPANS – PITFALLS TO AVOID
89. CONTINUOUS SPANS – PITFALLS TO AVOID (PART 2)
89. CONTINUOUS SPANS – PITFALLS TO AVOID (PART 2)
103. TRUSS DESIGN LOADS
103. TRUSS DESIGN LOADS
106. UNACHIEVABLE PRE-CAMBER
106. UNACHIEVABLE PRE-CAMBER
114. BETTER COMMUNICATION
114. BETTER COMMUNICATION
115. TO MANUFACTURER'S SPECIFICATIONS
115. TO MANUFACTURER'S SPECIFICATIONS
116. PROPER LIFTING OF TRUSSES
116. PROPER LIFTING OF TRUSSES
120. TRUSS INSPECTION CHECKLIST
120. TRUSS INSPECTION CHECKLIST
122. THE LEG BONE'S CONNECTED TO THE…
122. THE LEG BONE'S CONNECTED TO THE…
124. LESSONS TO BE LEARNT FROM CYCOLNE LARRY
124. LESSONS TO BE LEARNT FROM CYCOLNE LARRY
128. SADDLE TRUSSES ARE BETTER THAN FRAMING
128. SADDLE TRUSSES ARE BETTER THAN FRAMING
133. CAVEAT EMPTOR – CHOOSING GENERIC OR ENGINEERED
133. CAVEAT EMPTOR – CHOOSING GENERIC OR ENGINEERED
134. LOAD SPECIFICATIONS FOR FLOOR TRUSSES
134. LOAD SPECIFICATIONS FOR FLOOR TRUSSES
135. TIMBER SERVICE LIFE
135. TIMBER SERVICE LIFE
138. DUTY OF CARE
138. DUTY OF CARE
141. ON THE VERGE OF GETTING IT RIGHT – PART 1 – DESIGN
141. ON THE VERGE OF GETTING IT RIGHT – PART 1 – DESIGN
142. ON THE VERGE OF GETTING IT RIGHT – PART 2 – CONSTRUCTION
142. ON THE VERGE OF GETTING IT RIGHT – PART 2 – CONSTRUCTION
143. SPLITTING TRUSSES ABOVE INTERNAL SUPPORTS
143. SPLITTING TRUSSES ABOVE INTERNAL SUPPORTS
149. SERVICES' IN TRUSSED ROOFS
149. SERVICES' IN TRUSSED ROOFS
150. ATTACHING PATIOS TO HOUSES
150. ATTACHING PATIOS TO HOUSES
155. COMMERCIAL REALITIES PART 1 – RESPONSIBILITY
155. COMMERCIAL REALITIES PART 1 – RESPONSIBILITY
156. COMMERCIAL REALITIES PART 2 – FRAMES
156. COMMERCIAL REALITIES PART 2 – FRAMES
157. THE IMPORTANCE OF SLABS
157. THE IMPORTANCE OF SLABS
159. DOCUMENTING & IMPLEMENTING LOADS
159. DOCUMENTING & IMPLEMENTING LOADS
161. WITHIN THE SCOPE OF THE SOFTWARE
161. WITHIN THE SCOPE OF THE SOFTWARE
163. GABLE OVERHANGS – WILL SHE BE RIGHT?
163. GABLE OVERHANGS – WILL SHE BE RIGHT?
164. LAMINATED TIMBER MEMBERS
164. LAMINATED TIMBER MEMBERS
165. TIE-DOWNS TESTED BY YASI
165. TIE-DOWNS TESTED BY YASI
166. BRACKETS BEFITTING A LEVEL CEILING
166. BRACKETS BEFITTING A LEVEL CEILING
167. DIFFERENTIAL DEFLECTIONS
167. DIFFERENTIAL DEFLECTIONS
170. PROTECT AND SERVE
170. PROTECT AND SERVE
172. MINIMISING CANTILEVER MAGNIFICATIONS
172. MINIMISING CANTILEVER MAGNIFICATIONS
173. DON'T MULTI-PLY YOUR PROBLEMS
173. DON'T MULTI-PLY YOUR PROBLEMS
174. PRECISION AND ACCURACY
174. PRECISION AND ACCURACY
175. CREEPER OVERHANGS WILL SHE BE RIGHT
175. CREEPER OVERHANGS WILL SHE BE RIGHT
178. SAFETY CONCERNS
178. SAFETY CONCERNS
151. KEY TO WALL FRAME CONNECTIONS
151. KEY TO WALL FRAME CONNECTIONS
180. SARKING – WHEN TO USE IT
180. SARKING – WHEN TO USE IT
181. MISSING LINKS IN ROOF BRACING
181. MISSING LINKS IN ROOF BRACING
182. NAILING BY HAND OR AIR
182. NAILING BY HAND OR AIR
185. CREEPER OVERHANGS – WILL SHE BE RIGHT?
185. CREEPER OVERHANGS – WILL SHE BE RIGHT?
186. RESTRAINTS ARE KEY TO TRUSS PERFORMANCE
186. RESTRAINTS ARE KEY TO TRUSS PERFORMANCE
187. SOLAR SYSTEMS – WHAT'S THE CATCH?
187. SOLAR SYSTEMS – WHAT'S THE CATCH?
189. PARAPET CONSTRUCTION
189. PARAPET CONSTRUCTION
191. THE RIGHT CONNECTIONS
191. THE RIGHT CONNECTIONS
192. BOOMERANG HIP & VALLEY RESTRAINTS
192. BOOMERANG HIP & VALLEY RESTRAINTS
194. DO YOU HAVE A STRUCTURAL FASCIA?
194. DO YOU HAVE A STRUCTURAL FASCIA?
195. COMMUNICATING DESIGN ASSUMPTIONS
195. COMMUNICATING DESIGN ASSUMPTIONS
196. GET THEM TO STOP IT
196. GET THEM TO STOP IT
197. STRUCTURAL CEILING DIAPHRAGMS
197. STRUCTURAL CEILING DIAPHRAGMS
199. INTERNAL LOADBEARING GHOSTS
199. INTERNAL LOADBEARING GHOSTS
200. HIGH UPLIFT POINTS IN SHALLOW ROOFS
200. HIGH UPLIFT POINTS IN SHALLOW ROOFS
201. DOES IT STACK UP?
201. DOES IT STACK UP?
202. AIR CONDITIONING/HEATER UNITS
202. AIR CONDITIONING/HEATER UNITS
203. THE PROBLEM WITH STORAGE & ACCESS
203. THE PROBLEM WITH STORAGE & ACCESS
204. PLAN FOR AIR CONDITIONING!
204. PLAN FOR AIR CONDITIONING!
205. OVERHANGS SUPPORTING GUARDRAILS
205. OVERHANGS SUPPORTING GUARDRAILS
209. MEETING SHALLOW TRUSSES HEAD ON
209. MEETING SHALLOW TRUSSES HEAD ON
210. FASTENERS NEED THEIR SPACE!
210. FASTENERS NEED THEIR SPACE!
211. THE DOS AND DON'TS OF TEMPORARY ROOF BRACING
211. THE DOS AND DON'TS OF TEMPORARY ROOF BRACING
213. THE DREADED 'R' WORD
213. THE DREADED 'R' WORD
214. THE HUMBLE, INTERNAL WALL BRACKET
214. THE HUMBLE, INTERNAL WALL BRACKET
215. AN OVERLOADED FLOOR ACCIDENT WAITING TO HAPPEN
215. AN OVERLOADED FLOOR ACCIDENT WAITING TO HAPPEN
216. TIME DEPENDENT STRENGTH
216. TIME DEPENDENT STRENGTH
220. HASTE MAKES WASTE: TRAINING APPRENTICES
220. HASTE MAKES WASTE: TRAINING APPRENTICES
221. MISHANDLING ASYMMETRICAL TRUSSES
221. MISHANDLING ASYMMETRICAL TRUSSES
INTERNAL SUPPORTS
INTERNAL SUPPORTS
232. WIND BEAM DESIGN PART 1
232. WIND BEAM DESIGN PART 1
233. WIND BEAM DESIGN PART 2
233. WIND BEAM DESIGN PART 2
234. THE EVER HUMBLE INTERNAL WALL BRACKET
234. THE EVER HUMBLE INTERNAL WALL BRACKET
237. TIMELY DOCUMENTATION
237. TIMELY DOCUMENTATION
238. GEOMETRIC LIMITATIONS OF HANGERS AND HOLD DOWNS
238. GEOMETRIC LIMITATIONS OF HANGERS AND HOLD DOWNS
239. AIR CONDITIONING UNITS AND TRUSSES
239. AIR CONDITIONING UNITS AND TRUSSES
241. TENSION PERPENDICULAR: THE EVIL OF ALL WOOD CONNECTIONS
241. TENSION PERPENDICULAR: THE EVIL OF ALL WOOD CONNECTIONS
242. SAWN TIMBER CHARACTERISTICS & ROOF TRUSS CONSTRUCTION
242. SAWN TIMBER CHARACTERISTICS & ROOF TRUSS CONSTRUCTION
245. IF IT AIN'T BROKE DONT FIX IT
245. IF IT AIN'T BROKE DONT FIX IT
248. WHEN TRUSSES ARE LEFT IN THE AIR
248. WHEN TRUSSES ARE LEFT IN THE AIR
249. $4 WAYS TO SAVE ON CONSTRUCTION TIMET
249. $4 WAYS TO SAVE ON CONSTRUCTION TIMET
250. ANOTHER REFLECTION
250. ANOTHER REFLECTION
251. WHEN IS 'FLAT' FLAT ENOUGH
251. WHEN IS 'FLAT' FLAT ENOUGH
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