qc your way to success · customer project job # design checklist. signed contract most recent...
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B U I L D I N G C O M P O N E N T M A N U F A C T U R E R S C O N F E R E N C E
Handout Sponsor
Jim Gach, Plum Building SystemsDanny Ouzts, Universal Forest Products Travis White, A-1 Roof Trusses
Design Team DNA: QC Your Way to Success
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Design Team DNA: QC Your Way to Success
Jim Gach, Design Manager, Plum Building SystemsDanny Ouzts, Design Training Manager, Universal Forest ProductsTravis White, Director of Design & Estimating; A-1 Roof Truss
Moderator: Dan Morris, Component Division Lead, Apex
Overview
1. What is QC?2. Checklists3. Pre-design4. Design Consistency5. Tracking Accuracy Rates6. Share in the Success
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Design Team DNA: QC Your Way to Success
What is design QC? Why do It?
Design Team DNA: QC Your Way to Success
How do you check your QC?
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Design Team DNA: QC Your Way to Success
What are your pre-design processes?
Design Team DNA: QC Your Way to Success
How do you maintain design consistency and communication?
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Design Team DNA: QC Your Way to Success
Design Team DNA: QC Your Way to Success
How do you track accuracy rates and learn from mistakes?
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Design Team DNA: QC Your Way to Success
How do you share success that contributes to QC?
Design Team DNA: QC Your Way to Success
What are some office environment and technology considerations?
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Design Team DNA: QC Your Way to Success
Questions?
Final Thoughts
• Jim: Have a design standard and a process to ensure everyone follows it
• Travis: Processes should promote consistency
• Danny: When in doubt, talk
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Please complete your session evaluation in your session handout or online at bcmcshow.com/sessions
Thank you for attending!
Plum Building Systems, Inc. (Assume Nothing)
JOB #: Designer: Date: Checked By:
Roof Truss Checklist C N/A D
Exterior walls verified against plan. Dimensions Length – Taken from--Sheathing / Face of stud Wall Thickness 2x4 2x6 2x8 Other:__________
Interior walls verified against plan. Dimensions Length – Taken from--Face of stud / Centerline / Finish material Wall Thickness 2x4 2x6 2x8 Other:___________ Interior bearing walls on placement diagram
Check Floor layout to roof trusses layout. If different let sales know and get it resolved before sending. Verify plan elevation to placement diagram.
Fascia lines Roof lines. If computer rooflines do not match plan verify with sales. Gable ridge location. Do they line up with anything?
Additional plan reading Attic access location. Does truss spacing need to be adjusted? Skylights location _Do lower roof run into windows. HVAC & fireplace chases.
Roof pitches verified against plan. F/B ___, L/R___ Interior vault pitches and raised ceilings steps verified against plan. Heel heights checked.--Std. / Matched fascia / Raised: F/B____,L/R____ Overhangs checked. (Verify if below 12” finish). F/B___, L/R___
Are overhangs held back for sub-fascia? 1X or 2X Spans verified against plan & layout.
Stub on high heels for sheathing? Y / N Interior bearing dimensions verified on truss. Cantilevers checked. (Floor cantilever checked for point load from roof?) Ceiling dimensions breaks follow plan and specs given on truss.
Verify if ceiling steps over the wall or before/after the wall. Before/after dimension from wall ___ Seat cuts verified against plan & layout. 3 ½” 4” 5 ½” 6” Other:__________ Plate heights checked. � All the same height
First floor: ______________ Other _____________ Floor system: ______________ Other _____________ Sub flooring: ______________ Second floor: ______________ TOTAL: ______________
Truss spacing. 24” 19.2” 16” 12” Other:__________ Truss design parameters
Code: IRC / IBC Other:__________ ASCE 7-02__ Construction Live load? 30 PSF or Other _____ Duration of load: 1.15 or 1.25 Ground Snow load: 30 PSF or Other _______ Duration of load: 1.15 Ct Factor: __1.0 (All structures except)__1.1 (Kept above freezing)__ 1.2 (Kept below freezing) Wind load checked for __cantilevers, __porch, __high end verticals
Girder loads and locations verified. • Sprinkler loads ____ Roof top units ____ Snow drift area ___
Girder carrying floor loads, increase lumber and plate DOL to 1.0. (Both Live and Snow area) Girders nailed together. (Nail pattern on drawing). Girder require stud blocking? Wall girders or girders at ends of vaults or other similar areas Overall heights verified. Step down heights verified on hip trusses. Roof ridge break dimensions verified. Gable end trusses.
• Standard gable truss or Dropped gable / Flat bottom chord or scissor bottom chord • Gable stud spacing 16” o/c or 24” o/c • Sheathed gable ends: Material:__________ House wrap:___
Verify attic trusses Room Height______ Room Width ________ Pad bottom chord for floor system ____ Box rakes? 1x6 rails or 2x6 rails Width noted on shop drawings? Beam pocket widths and heights checked. Height:_______ Depth:_______ Layout and trusses marked for painted ends and top side of flat trusses. Webs optimized and match from truss to truss. Splices match from left to right and from truss to truss. Correct lumber usage and material per latest inventory. Truss labels and quantities match from layout to engineering to delivery list.
• Ship loose/misc. items accounted for on delivery list. • (4)ply Girders need to provide bolts for truss to truss connection.
Profiles match layout. Valley trusses (must have ¼” heel): __ Bevel __No Bevel Are bearings adequate? (Bearing enhancers / Bearing blocks needed and noted placement diagram). Flat top chord drop noted on step down trusses. Hip purlin gable needed: Standard Gable Style or All dropped hips (Odd Shapes) Bevel top chords? Y / N Check hangers in engineering program. Possible have to change design to meet hanger req. Are seals required? Qty.____
Layout Checklist C N/A D Verify correct o/c spacing note and Mitek collections/details Wall hatch legend Girder plys notes Hanger symbol in model Hanger description in layout Painted notes Beam legend/Schedule Label readable Dimensions
• Girders • Valleys • Clg break truss • Continuing of span • End jacks/side jacks
CUSTOMER PROJECT JOB #
DESIGNCHECKLIST
SIGNED CONTRACT
MOST RECENT PLANS
STRUCTURAL
ENGINEER OF RECORD PLAN DATEPE #
ROOF LOAD
FLOOR LOAD
TCLL TCDL BCLL BCDL
WIND SPEED
EXP CAT
OCCUPANCY
MEAN HT
WIND DESIGN METHOD
SPRINKLER LOAD MAN LOAD / PANEL POINT LOAD DEFLECTION CRITERIA
FLOOR DEPTH: SPACING: O/C RIBBON : RIMBOARD :TOP
BTM
COMPARE TRUSS SPACING & FLOOR DEPTH TO ARCHITECTURALS
ARCHITECTURAL & DIMENSIONS
FOUNDATION vs FLOOR PLAN vs TRUSS LAYOUT
CLG HEIGHT, COFFERS, TRAYS, VAULTS
STAIRWELL / OPEN AREA LOCATIONS & DIM
ATTIC ACCESS LOCATION & DIM
ELEVATOR / CEILING RECESS
VERTICAL OBSTRUCTIONS(PLUMBING / VERT A/C / FIREPLACE / LAUNDRY CHUTE / DUMB WAITER)
CAN LIGHTS
STORAGE / ATTIC / BONUS ROOM / AHU IN ATTIC
WATER HEATER / LARGE TUB / POOL TABLE ON FLOOR
ROOF PITCH(ELEVATIONS vs SECTIONS vs ROOF PLAN)
OVERHANG (NOT INCLUDING FASCIA)
CANTILEVER(NOT INCLUDING FASCIA)
SQUARE CUT / PLUMB CUT(ELEVATIONS vs SECTIONS)
HEEL HEIGHT / FASCIA DEPTH(FASCIAS ALIGN w/ DIFFERENT PITCHES)
LEVEL RETURNS(BY A1 or BUILDER)
HOLD FLOOR TRUSSES BACK AT EXT BLOCK
(FOR EXTERIOR SHEATHING)
HOLD HIGH HEEL ROOF TRUSSES BACK AT EXT BLOCK
(FOR EXTERIOR SHEATHING)
FLAT ROOF / HEIGHT / SLOPE / ADDITIONAL LOAD(MECHANICAL EQUIP, ETC.)
ARCH, TRANSOM WINDOW ABOVE PLATE BRG PLATE / BEAM(SEE ELEVATIONS)
DORMERS / CUPOLAS - FALSE vs FUNCTIONING(COMPARE ELEVATIONS vs SECTIONS)
FIREPLACE - FALSE vs FUNCTIONING(COMPARE ELEVATIONS vs SECTIONS)
GABLE TRUSSES / DROP TOP / RAKE BEAM(VERIFY OUTLOOKER DEPTH)
WINDOWS IN GABLE TRUSSES - FALSE vs FUNCTIONING(COMPARE ELEVATIONS vs SECTIONS)
NOTES:
NOTES:
FLOOR
ROOF
TIMBER NOTES / PRESSURE TREATED / BORATE / FIRE TREATED / MINIMUM LUMBER GRATES / ETC.
FLOOR
ROOF O/C
OFFICE LOAD(HIGHER LL + MOVABLE OFFICE LOAD)
LEDGER(S) SECTIONS vs FRAMING
SECTIONS vs PLAN
CRITERIA ON PAGE(S):
OPENING COND
BEAM / PLT HEIGHT / TRANSITION DIMENSION(COMPARED TO ARCHITECTURAL DRAWINGS)
HIP CATS BEAMS
SEAT PLATES
LEVEL RETURNS
NAILERS I-JOIST's
3d ELEVATION vs PLAN ELEVATION
COUNTY
ENGINEERING CHECKLIST
FLOOR TRUSS ENGINEERING
SPAN vs LAYOUT
CHASE CENTERLINES @ WIDTHS
QUANTITIES (STRUCTURE vs ENGINEERING)
VERTS @ INTERIOR BEARING
DEPTH
END CONDITION
STEP ONTO PORCH / FLOOR TRUSS DEPTH @ PORCH ABOVE
HANGER / CONNECTION / LUMBER CHECK
STRUCTURE PROFILES / 3D VIEWLOADING / DEFLECTION / OFFICE LOAD / STAIR LOADS
ROOF TRUSS ENGINEERING
SPAN vs LAYOUT QUANTITIES (STRUCTURE vs ENGINEERING)
PITCHESHEEL HEIGHTS 2x6 VERT BRG @ CANT / 2x8 VERT BRG @ GIRDER (> 2500# UPLIFT)
OVERHANG / CANTILEVER
LENGTH PLUMB / SQ CUT LEVEL RETURNS(FASCIA DEPTH / DROP FROM BRG)
LOADING / WIND SPEED / BLDG AND EXPOSURECATEGORY / OPENING CONDITION
LEG-UPS / LEG-DOWNS
HEIGHT NOMINAL LUMBER WIDTH GAP BETWEEN BRG & TRUSS @ LEG-UPS
ATTIC ROOMS / BONUS ROOMS
BOX-OUT / FINK STYLE
LOADING
AHU / WATER HEATER
BOTTOM CHORD SIZE
ROOM HEIGHT / WIDTH MATCH FOR CONSECUTIVE ATTIC/BONUS ROOM TRUSSES
CEILING CONDITIONS
COFFER or TRAY / DIMENSIONS / DEPTH / OFFSET FROM WALL VAULT PITCH
CEILING HEIGHTS / TRANSITION DIMENSIONS CEILING RIDGE LOCATION PER PLAN
REFRESH
SEAT CUTS
VERIFY ENOUGH LUMBER @ GIRDER FOR RAISED HANGER
RAISED HANGER HEIGHT, IF ANY, ON LAYOUT (VAULT DETAIL)
GABLE ENDS / DRAFTSTOP
TRUSS OR RAKE WALL DRAFTSTOP REQUIRED? STRUCTURAL / SUPPORTED
DROP-TOP GABLE (2x4, 2x6 or 2x8 OUTLOOOKERS / OVERHANGS) DROP-TOP PIGGYBACK (HGT & BC OFFSET LEVELWITH COMMON P.G.S.)
WINDOW IN GABLE END / VENT OPENING GABLE END / VALLEY GABLE END VERT SPACING (16" / 24")
EXPOSED END VERT EXPOSED PORCH
HIP CATS / ADDED TO ENGINEERING AND VIPER
BEAM QTY / SPECIFICATION IN VIPER HANGER QTY / SPECIFICATION IN VIPER
CUSTOMER PROJECT JOB #
LADDER TRUSS POINT LOADS > 2000#
STRUCTURE "JOB REVIEW" QTY vs ENG QTY vs VIPER QTY
VIPER
STRUCTURE PROFILES / 3D VIEW (CEILING & ROOF)
STRUCTURE "JOB REVIEW" QTY vs ENG QTY vs VIPER QTY
SEAT PLATE QTY (FLOOR AND ROOF)
CHECK JOB PATH (CORRECT DIRECTORY)
QTY UPLIFT/REACTION
BCDEPTH
LUMBER @ RED IRON/ COLUMN CAP
HANGER / CONNECTION / LUMBER CHECK
QTY UPLIFT/REACTION
BCDEPTH
LUMBER @ RED IRON/ COLUMN CAP
VIPER SPLIT CHECK TOTAL TRUSS QTY:
LEVEL 1 TOTAL:
LEVEL 2 TOTAL:
LEVEL 3 TOTAL:
LEVEL 4 TOTAL:
CIS REVIEW/CUSTOMER SPECSBASIC GUIDELINE S OF THE JOB HAVE BEEN ADDRESSED, SUCH AS:
A) SPACING PREFERENCES, FLOOR TRUSS DEPTH PREFERENCES AND LOADING PREFERENCES,
B) MATERIALS TO BE INCLUDED (BEAMS, HANGERS, VALLEYS, LOW PORCHES, ETC.)
C) SPECIAL REQUESTS (MINIMUM LUMBER SIZES AND GRADES, 1/2" SHEATHING HOLDBACKS
AND DROPPED TOP CHORDS REQUIRED FOR RUNNERS AT HIPS OR OUTLOOKERS).
D) E-MAILS PERTAINING TO THE JOB HAVE BEEN REVEIWED.
FINAL PLAN REVIEWFINAL REVIEW OF THE PLANS INCLUDING:
A) PLAN NOTES, MARK-UPS OR SPECIAL DETAILS THAT MAY AFFECT DESIGN.
B) PITCHES, OVERHANGS, FACIA LINES, PLATE HEIGHTS AND CEILING CONDITIONS.
C) POSSIBLE INTERFERENCE (WINDOWS, ELEVATORS, LAUNDRY CHUTES, PLUMBING DROPS, ACCESS DOORS).
D) BRICK, GRANITE OR MECHANIALS THAT MAY REQUIRE SPECIAL LOADING CONSIDERATION.
E) SUNKEN OR RAISED AREAS.
F) ADDITIONS IN THE FIELD THAT MAY AFFECT DESIGN SUCH AS DECKS, BALCONIES AND CHIMNEYS.
STRUCTURE MODEL CHECK SAPPHIRE MODEL HAS BEEN CHECKED AGAINST THE PLANS TO VERIFY:
A) DIMENSIONS.
B) ALL BEARINGS ARE SUPPORTED BELOW.
C) CLEARANCE IS ALLOWED FOR STAIR OPENINGS, ATTIC ACCESS AND MECHANICAL RUNS.
D) EXTRA FLOOR TRUSSES ARE INCLUDED AT 12' INTERIOR WALLS AND AT WALLS ABOVE THAT ARE LOAD BEARING.
E) ROOF DESIGN INCLUDES AN HVAC PLATFORM AND ATTIC ACCESS IF NEEDED (PULLDOWN SPACING?).
F) BEAMS HAVE BEEN ANALYZED AND MEET PROPER DEFLECTION AND ARE CORRECT LENGTH.
G) COMPARE 3D MODEL TO ELEVATION VIEWS.
F) SPACING STARTS AND INSTALLATION NOTES ARE INCLUDED.
JOB SETTINGS AND LOADINGSET-UP HAS BEEN REVIEWED TO VERIFY:
A) BUILDING CODE AND WIND SETTINGS ARE CORRECT.
B) BASIC LOADING IS PROPER BASED ON THE PROPOSED USE OF THE STRUCTURE.
B) 2,000 # MOVING OFFICE LOAD IS INCLUDED (COMMERCIAL WORK ONLY)
C) DEFLECTION SETTINGS ARE ADEQUATE .
D) L/600 TOTAL LOAD DEFLECTION IS COVERD FOR ALL MASONRY AREAS.
E) KITCHEN ISLAND LOADS, DRIFT LOADS, DRAG LOADS, SNOW LOADS, SPRINKLER LOADS, ETC. ARE ADDRESSED.
ENGINEERING VERIFIEDREVIEW EACH OF YOUR DRAWINGS IN ENGINEERING TO VERIFY:
ROOFS:
A) OUT-TO-OUT SPANS PER TRUSS.
B) PITCHES, HEELS AND OVERHANGS OF EACH TRUSS.
C) CEILING CONDTION DIMENSIONS (TRAYS AND VAULTS, ETC).
C) PIGGYBACK SPANS MATCH FLAT TOP DIMENSIONS.
D) ATTIC ROOM DIMENSIONS ARE UNIFORM AND CORRECT.
FLOORS:
A) OUT-TO-OUT SPANS.
B) TRUSS DEPTHS ARE CONSISTENT AND PER PLAN.
C) END CONDTIONS ARE CORRECT.
ORDER FORM VERIFIEDA) QUANTITIES HAVE BEEN CHECKED TO LAYOUT.
B) DOLLAR AMOUNT OF ORDER IS RECORDED IN THE PO AMOUNT BOX AND HAS BEEN CONFIRMED.
C) ACCESSORIES ARE INCLUDED SUCH AS HANGERS, BOLTS, SCREWS, TIE DOWN CLIPS AND BEAMS.
D) ALL LINE ITEMS (EXCLUDING LAYOUT) HAVE A DOLLAR AMOUNT .
E) REVIEW FINAL MARGIN AND NOTIFY SALES OF ANY PRICING ISSUES.
EWP VERIFICATIONCHECK THIS BOX ONLY IF THE EWP DEPARTMENT OR AN OUTSIDE PARTY IS DOING THE FLOOR OR ROOF WORK.
A) DESIGN WORK HAS BEEN COORDINATED VIA PHONE/EMAIL
DESIGN CHECKLISTPLEASE READ THROUGH EACH AREA FOR EACH ORDER YOU ARE PROCESSING AND CHECK THE BOX FOR VERIFICATION.
Design Checklist1 Review Plans 10 Dimension2 Determine Copy Source 11 Job Notes3 Truss Coordination 12 Design Roof Trusses4 Exterior Walls 13 Design Floor Trusses5 Roof Planes 14 Design Beams in Forte6 Ceiling Conditions 15 Design Hangers7 Plumbing and Floor Openings 16 Add and Verify Information in iCommand8 Add Trusses and Interior Bearing 17 Perform Self QC9 Label Trusses
QCJob #: Design Notes:
Designer:Date:
Copied From:QC Notes:
Checker:Date:
Job Audit Wind Speed/ExposureJob Status Piggybacks/Truss Heights
Double Labels Floor DepthsGable Brace Trusses Special Loading
Ext. Dims Truss List in OrderInt. Brg Placement Loading on All Trusses
Shear Walls LumberPlumbing/HVAC Yellow TrussesOptions Verified
TraysVaults Job Description
Elevations Job Type Roof Pitch/Heel Heights Job Status
Overhang Dims Sub Jobs CreatedBearing Heights Truss and Items in Sub Jobs3D View Verified Hanger Count
Notes Beams and Other Items
View
iCommand
TrussCAD
Notes:
Notes:
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