HomeMy WebLinkAbout81 Winslow Gray Rd plan 9S ECIR ATIONS
1) STRUCTURAL
A) DESIGN LOADS 110 p.s.f. dead
= 40 p,S_f1 live 1) Floor 9. Living Space
2) Floor Ca Sleeping Space = 30 p.s.f. live 110 p.s.f. dead
3) Attic Floor (limited storage) = 20 p.sJ live 110 p.s.f. dead
4) Decks = 40 p.s.f. live 1 10 p.s.f. dead
5) Roof (ground snow load) = 25 p.s.f. five 110 p.s.f. dead
B) DESIGN WIND SPEED =1 10 MPH
C) SOIL BEARING CApACIrt` = assumed to be minimum 1.5 tons; sq ft,
11) CONCRETE z 3000 P.s.i. 28 day strength, 3500 p s.€. garage
A) WALL. FOOTINGS z 24" X 12'" thick continuous footing @ 8" wall
8) COLUMN FOOTINGS = 30" X 30" X 12" thick, footing at 11ally columns u.no, - see plans
C) WALLS = 8" thick r4 5/6'above footing (maximum of T-U'unbalan.ced fill)
D) SLABS = 4" thick @ garage(s) with 6X6W1.4x 1.4 welded wire mesh m- 6" compacted gravel fill., 3 112" thick
@ basement with 6 rail, poly vapor barrier on 6'compacfed gravel fill
III) MISCELLANEOUS METALS
A) ANCHOR BOLTS = 518" diameter X 12" ttveeadeo rod with bent end @ T4, O:C,
8) JOIST HANGERS = standard 18 gauge metal
Q HOLD DOWN CUPS:
1) Rafters= Simpson Strong Tie H2.5A based on uplift loads of 336# per Table 12 ofWFCM
2) Corner hold downs = Simpson Strong Tie HDU54SOS2.5 with 518" diameter SST824 based on uplift loads of
4,360# per Table 10 & I of WFCM, Simpson Strong Tie HDU8-SDS2.5 at garage portal
3) Ridge straps = collar ties used in lieu of ridge straps per Section 5.2 of WFCM
4) Load bearing wall connections = plywood sheathing overlap used in, lieu of straps, see detail sheets
5) Rafter ties @ entry porch = Simpson Strong Tie H2.5A
D) RE -BAR - min 40 ksi yield strength - size & spacing as reqd by code
E) COLUMN CAPS - laity column4vi saddle caps by Simpson OT equal - size as noted on drawings
F) BASE PLATES - A36 grade 112"thick plate steel, size as required
rV) CARPENTRY = All framing lumber, unless otherwise noted, shall bear a grade stamp and "met or exceed the following
minimum criteria: fb = 1150, p.s,i,E = 1,200.0,00 p.s_i,; Engineered Wood Worst shall be TJI 110 series as manufactured
by Weyerthaeuser or equal
A) SILLS - _-2X6 (bottom member pressure treated)
8) FLOOR JOISTS = 117!8" deep, TJI 110 series, ;gists spaced Q 16" G.C. unless noted otherwise on the drawings
C) CEILING JOISTS = 2X8-S MINIMUM (a 16" C.C. UNLESS NOTED OTHERWISE ON THE DRAWINGS
D) RAFTERS = 2XI0s @ le" O.C. unless noted otherwise on drawings plate
E) STUDS = 2XVs, @ 161 O.C. No. 3 or stud grade with single shoe and doubl-
e
F) MISCELLANEOUS BEAMS = as shown on drawings, LVL and PSI_ beams, Micro -Lam or Parallam as manufactured
by Weyerhaeuser or equal, corforming to the following minimum strength criteria:
Fv = 825 P,s.L, Fb = 2800 p.s.i,, E = 2,0K000 p.sJ
G) PLY1JVOOD/OSB = composite structural panels
1) Subffoors = 23132" APA rated, T&G Sturd-1 Floor @ 24" O.C.; exposure 1
2) Wall Sheathing = 7116" APA rated sheathing 24!16-. exposure 1; plywood sheathing shall be fastened to the frame
to conform we the following nailing patterns:
a) Edges = 6d faMeners @ 3" O.C, minimum
b) Intermediate supports = 6d fasteners @ 12;'O,C. minirrium.
3) Roof Sheathing = 1913ZAPA rated, T&G sheathing 24116; exposure 1
f
4) Underlayment= 11132"APAundedaym-ent, aroucq !.,exposure I ender sheet goads
V) INSULATION = All insulation shall conform to tine requirements of the 2012 International Energy Conservation Code
A) SILLS = ill X 6" fiberglass sill. seater
B) WALLS = R-21 hi -density fiberglass Insulation
C) BASEMENT CEILINGIFLOORI-11 (over unconditioned spaces) = R-30 hi -density fiberglass insulation
D) GARAGE CEILING = R-30 hi -density fiberglass insulation
E) FLAT CEILINGS = R-49 loose blown, cellulose, or bait insulation it cellulose or Batt insulation
F) SLOPED CEILING = R-3$ using 1" rigid insuintion and fill to capacity with
G) VAPOR BARRIERS = 4 rnii, polyethylene sheet or integral with the insulation
VI) MOISTURE PROTECTION
A, DAMP -PROOFING = one coat asphaltic compound brushed on foundation WRIIS to a point 4V below finished grade
table space shall be waterproofed with Dfi Lock
8) WATERPROOF! N"13 = exterior of all foundation wells enclosing ha.kx
C) ROOFING = asphalt sN, ogles: 15# felt base sheet or equal as required by code
D) EAVE & VALLEY PROTECTION = single layer of 36" width of "Grace Ice and Water Shield" or equivalent membrane
at all eaves and valleys 04g"thick, duranod!c bror-zetone finish
E) FLASHING = alurninurn I
SEALANT = Butyl or acrylic type
V11) INTERIOR FINISH = 1/2" gypsum wall board, tape joints with metal comer reinforcing
V111) SEPARATION WALLS
I A) UNIT J GARAGE = 5/8" Type "X" gypsum wal) board at required garage fire separation We -aces
L
EYCPRPT FROM 2012 INTERNATIONAL ENERGY CONSERVATION CODE
DOCUMENTATION (IECC Sections 103,303.3,401.3),
The appropriate construe ion documents and preventative maintenance information must be provided, along with a permanent
certificate listing certain insulation, window, and HVAC performance information.
AIR LEAKAGE (IECC Section 4024):
- The building envelope is required to be properly staled to limit air infiltration. Air rightness and insulation installation must be
must be demonstrated either by testing or visual inspection. Recessed lighting must also be seated to limit air leakage.
SYSTEMS (IECC Section 403 and IRC Section m14111.3):
A J
- HVAC sv* a procedure like AACManual . m must be Pro%) 1 sized using .
- Temperature controls must be installed, including a programmable thermostat ere required.
Mechanical system pjp4nq must be insulated to a mifftmrn Of R-3,
Specific requirements apply to circulating hol, water systems, mechanical ventilation, snow melt systems, and pools.
Ducts must be tested for lightness, as specified in IECC Section 403-2.2, except when the air handler and all ducts are
located within conditioned space. lR-8, All other ducts shall be seated and insulated to
- Supply ducts in attics shall be seated and ino
sulated to a minimum I exempted from the
a minimum of R-6, Duct or portions thereof located completely inside the building thermal envelope are exam
insulation mquitement A# handlers, filter box -es, and building cavities used as ducts must also be properly sealed.
LIGHTING (IECC Section 404. 1. 1):
- A minimum of 75% of lamps in permanently installed fixtures must be high efficiency
as defined in the IECC.
BUILDING ENVELOPE DETAILS
Required Values Based On 2012 fEGC for Climate Zone 5
ACTUAL
-
CTUAL REQUIRED
Fenestration U Factor (Aidersen Low E Glass) -026 i 0.35
Callingor Exposed Fk -rors R-Value JR-49 R-49
tR-21 R-20
Wall R-Value
Floor RValue I R-30 o R-30
i Basement Wall R-Value 1 NIA unconditioned
than 12" below rade
I N/A I R-1 0/7-0" (Required only at stab on grade les, s
[Sqb pedmetf,�� R-Vaiue and Depth
Wood Frame Construction Manual - Guide to Wood Construction in High Wind Areas For One and Two Family Dwellings Compliance Review - With Massachusetts Amendments
PTE!pLty� Design Guidelines - see Massachusetts Checklist for Compliance (780 CMR R301,2.1.1)
11 SCOPE- 110 MPH 3 SEC GUSTIEXPOSURE B
1.2 APPLICABILITY ACTUAL REQUIRED
Number of Stories - (a roof which exceeds 8 in 12 -slope shall be K2 stories
considered a story)
Roof Pitch (Figure 19 12:12
Mean Roof Het oht(Flgure2' # 1:03'4'
Buildi!g Dimensions (Figure 4)-.
Building Width, W 12E Z
Buildi!!q Length, L
K3.01
Nominal ho!2ht of tallest opening (Figure 4)
1.3 FRAMING CONNECTIONS vet'y in field Table 2
2A FOUNDATION
Type of Foundation (Figure 5)pcp OM P-PrIf 6
2.2 ANCHORAGE TO FOUNDATION -]ACTUAL IREQUIRE?
Proprietary Connectors (Table 3; Simpson 5/8" diameter SSTS24 wl HDU5-SDS2.5 Q building comers) '
Uplift see manufacturer's specs U 157 pif
Lateral see manufacturer's L 132 If
lWall
1
t
EXTERIOR WALLS CONTINUED �ACTUAI
IREQU
REQUIRED
Sheathing-*
Minimum Building Dimension, W (Table 10)
I
Nominal Height of tallest opening 1�6#4%
L
Sheathini lzP2 7116" WSP
Edge Nag Spacing'
6§r
Field Nail Spacing
121;
Shear Connection Lno. of I Sd common nails) I.Per toot 13
per foot
Hold Down Capacity (Simpson HDUS-SDS2.5) see manufacturer's specs 14,360
lb.
Percent Full Height Sheathing @ exterior Walls no exterior 2 stor walls in W
min. 47% slider "1
78% (beneath I full story)
43% (1 story)
5% addl sheathing for wall all opeMng 4
not required
Maximum Building Dimension, L (Table 11
Nominal He!ght of tallest aning
Sheathing Type
7/16'WSP
Edge Nail Spacing 2
6#1
660
Field Nail Spacing
12"
Shear Connection no, of 16d common nails
14 per foot,
4 M foot
Hold Down Ca act Simpson HDUS-SDS2.5)
see mainufactumes specs
360 lb.
Percent Full Height Sheathing @ Exterior Walls
min. t6% @ left elevation
under gable above
0% (beneath I full story)
i
25% (1 slory)
min. 59% @ front door wall
Shear
see manufacturer's specs
S = 440 Of
5/8" Anchor Bolts:
Bolt Spacing (Table 4)
41"
Bolt Embedment (F!Ere 5)
verify in field
7" minimum
Washer Size (Figure 5)
T* X T'X: 1/4" thick
3"X TX 1/4"thid(
Bolt Spacing from enclijoint of plate (Fig 5)
verify in field
3.1 FLOORS
ACTUAL
REQUIRED
Maximum Floor Framing Member Span (IRCIWFCM
:!0VA V (per TJI)
Maximum Floor Opening Dimension (Figure 6)
1S 17-T
Full Het ghtWall studs at floor opens ngsless than 2' from exterior wall (Fig 6) none
Maximum Floor Joist Setbacks (Figure 7):
Supporting Loadbearing Walls or Shearwall
no offset beedng
Maximum Cantilevered Floor Joists (Figure 8): x
- Supporting Loadbearing Walls or Shearwall
no cantilevers
Floor Bracing at Exterior Wells (Figure 9) ve* in field unsupported panel edges, first
Floor Sheathing Type (IRCIWFCM) WSP--- - two . bays, 4o.c. max
Floor Sheathi!N Thickness ()RCIWFCM) 2WW
Floor Sheathing Fastening (Table 2) V'edge, 12- field 16- edge, 12" field
4.1 WALLS ACTS 4AL REQUIRED
Wall Height (Figure 10):
Loadbearing Walls 7
Non-loadbearing Walls _-<20'-O"
Wait Stud Si2acin Ficure10) i5 24" O.C.
:Well Story Offsets (Figures 7 and 8) none
14.2 EXTERIOR WALLS ACTUAL REQUIRED
Wood Studs (Table 5):
Loadbearing 2X6 Walls @ garage - IRC301 3 or stud grade)
exception I used lyol�C
Non-loadbes I 9-9'(stud gta4e)
Gable End Wall Bracing
WSP Attic Floor Length (if used) verify in field ZW/3 = 16-8" 0 second floor
gable
Gypsum ceiling length w12x4 cont lateral bracing @ Vo.c. verify in flaW 0.9W = 42-4" @ second
or I x3l ceiling furring strips @ 16" o,c. min. w/ 2x4 blocking floor gable
at * spacing in end joist or truss bays
Double Top Plate
Splice Length (Figure 13 and Table 6) 1 verify in field 21-Ul 0 <24'wall
Splice Connection (no. of 16d common nails; Table 6)
Loadbeari2p-Wa-H Connections (Table 7):
Uplift (proprietary connectors) '
Lateral (no. of 16d common nails)
Non-loadbearing Wall Connections (Table 8),:
Uplift (proprietary connectors) '
Lateral (no. of 16d common nails)
Wall Openings (Table 9):
Maximum Header Spars
Maximum Sill Plate ns
Full Height Studs at each end of header no. of studs
Connections at each end of header or sill
Uplift (proprietary co"ctcrs: if used)
Lateral (Proprietary connectors; it used) '
41412 242o < 4U
6-0" 0, 0, to < 69
verify in field
varies per wall wall length -
see Table 6
no connectors used based on
note I of Man. Checklist for
CnOgwe CM CMR 5301.2.1.
U = 248 lb. @ riving, m bedrm
2 per stud
2 per stud
no connectors needed if
attached per %stener scludute
in Table 2
U = 169 lb.
2 per stud
2 per stud
12'-0" non -load bearing wa
verify in field
3
no connectors used based on 1,247 lb,
lnote I of Maw Checklist for
Compliance (780CMR 5301,21.1)
594 lb,
5% adcrl sheathing for wall wl 2p2ning >&4r not required
Wall Cladding:
see Speed Ratedee manufacturers !pcs 110 mph, exp. 8, 3 sec. ust
51 ROOFS ACTUAL IREQUIRED
Maximum Roof Fram!N Span :9 364'
Maximum Roof Framing Member Span (based on spf no. 112) 26'-0" 1 T51/o of 20 psf LL case
I.A-fr' -NT-W span (75% 16-6')
Roof Overhang (Figure 19) 1� 74'or 113 ratan
Truss, I -Joist, or Rafter Connections at Loadbearing Walls(proprieta connectors; Table 12; Simpson 112.5A)
yp!ift (actual max span - 31'- use 32'table value) see manufactureft specs U = 336 lb.
Lateral see manufacturers SP2! L T 176 lb.
Shear see, manufacturers S = 77 lb.
Rigge §yap Connections, Tension (Table 13) collar, ties in lieu of straps
Gable Rake Outlooker (Fig. 20 ve in field lesser of 2' or outlooker/2
Outlooker Connections at Non-Loadbearing Waft (proprietaq connectors, Table 14)
uplift 'venf field U see T ld able 14
Lateral in fi
� in field L = see Table 14
1 Roof Sheathing Type WSP
Roof Sheathing Thickness 19/32', � 3/8" WSP
Roof Sheathing Fastening (Table 2) es; edge, 6" field 6' edge, 6" field
Notes:
1. Metal strapsrhold downs in Figures 5,111,14,17, and 18a & 18b not required if Mass. Checklist for Compliance is met in its entirety,
see Massachusetts Checklist for Compliance (780 CMR R301.2. 1.1) for full checklist and notes.
2. See Note 4 from Mass. Checklist for Compliance regarding wood structural panel sheathing placement and nail spacing;
u5e Moye lesffitGve roq*ernertt of Tabiee, 1oil l or "e 4 for nail spednel-
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