81 Henshaw STRUCTURAL 2019-08-17Scanned with CamScanner
GENERAL STRUCTURAL NOTES
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ALL FRAMING LUMBER SHALL BE HEM-
FIR GRADE NO. 2 OR S.P.F. (SPRUCE
PINE FIR) GRADE NO. 1 / 2 OR
APPROVED EQUAL (UNLESS
OTHERWISE SPECIFIED) AND SHALL
MEET THE REQUIREMENTS OF THE
AMERICAN FOREST AND PAPER
ASSOCIATION. THE MINIMUM
ALLOWABLE BENDING STRESS (Fb)
SHALL BE 875 P.S.I. THE MINIMUM
ALLOWABLE COMPRESSION STRESS
(Fc) SHALL BE 1150 P.S.I. THE
MINIMUM ALLOWABLE MODULUS OF
ELASTICITY (E) SHALL BE 1,400,000
P.S.I. OTHER FRAMING MATERIAL FOR
INTERIOR NON-LOAD BEARING STUDS
MAY BE SUBSTITUTED ONLY UPON
APPROVAL OF THE ENGINEER.
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BUILT-UP BEAMS (3 PIECES MAXIMUM
U.N.O.) USING LVL’S AND
CONVENTIONAL FRAMING LUMBER
SHALL BE FULLY SPIKED TOGETHER
WITH 3-10D NAILS AT 12” O.C. FOUR-
PLY BUILT-UP LVL’S ARE TO BE SPIKED
TOGETHER WITH (3) SIMPSON SDS
1/4”X6” SCREWS @ 12” O.C., OR AS
OTHERWISE NOTED ON THE
DRAWINGS, OR AS RECOMMENDED BY
THE MANUFACTURER. SEE DRAWINGS
FOR SPECIFIC NAILING/ BOLTING FOR
SIDE LOADED MEMBERS.
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ALL NEW WALL FRAMING TO BE 2X6
SPF #2 @ 16" OC.
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USE JOIST BLOCKING ABOVE AND
BELOW ALL INTERIOR WALLS AS WELL
AS EVERY 8' MINIMUM.
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CONTRACTOR IS RESPONSIBLE FOR
TEMPORARY SUPPORT DURING BEAM
INSTALLATION.
NEW POSTS TO BEAR ON
EXISTING FOUNDATION.
CONTRACTOR TO VERIFY
FOUNDATION WALL
CONDITION AND BEARING
CAPACITY WITH ENGINEER
PRIOR TO BEAM INSTALLATION.
FOUNDATION NOTES:
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ALL FOOTINGS AND FOUNDATIONS
HAVE BEEN DESIGNED TO BEAR ON
UNDISTURBED SOIL HAVING AN
ASSUMED MINIMUM ALLOWABLE
BEARING CAPACITY OF 1 TON PER
SQUARE FOOT. SOIL BEARING
MATERIAL CAPACITY TO BE
DETERMINED BY SOIL TESTS PRIOR
TO CONSTRUCTION. IF BEARING
MATERIALS WITH A LOWER BEARING
CAPACITY THAN 1 TON PER SQUARE
FOOT ARE ENCOUNTERED AT THE
SPECIFIED ELEVATIONS, THE
UNDERLYING UNSUITABLE MATERIAL
SHALL BE REMOVED AND REPLACED
WITH SUITABLE MATERIAL TO BE
APPROVED BY THE ENGINEER.
BACKFILL UNDER ANY PORTION OF
THE FOUNDATIONS SHALL BE
COMPACTED IN 6" LIFTS TO 95% OF
STANDARD PROCTOR DENSITY USING
BACKFILL MATERIAL AS APPROVED
BY THE ENGINEER.
EXISTING
6x12 GIRT
FOUNDATION PLAN
S-1
8/13/19
13'-6"
5.13 ft
81 HENSHAW AVE.
NORTHAMPTON, MA
EXISTING 18"X18"
BRICK PIER
COLUMNS TO
REMAIN, NO
MODIFICATIONS
(TYP)
PROVIDE 2X6 LOAD
BEARING WALL
DIRECTLY BELOW
EXISTING GIRT.
BEAR ON NEW
STRIP FOOTING
WITH ANCHORED
PT SILL, TWO BAYS
ONLY.
(2) #5 BARS (BOTTOM OF
FOOTING) DRILLED & EPOXIED
INTO EXISTING FOUNDATION.
USE SIMPSON EPOXYTIE OR
EQUIVALENT EPOXY. EMBED
MINIMUM OF 5" INTO
EXISTING FOUNDATION/
FOOTING, AND LAP NEW
FOUNDATION/FOOTING BARS
BY 15" MIN AT SPLICES. (TYP
ALL EXISTING TO NEW)
18" WIDE x 12" TALL STRIP
FOOTING @48" MIN DEPTH
BELOW GRADE SET ON
UNDISTURBED SOIL. INCLUDE
KEYWAY. (TYP). PROVIDE 2 -
GRADE 60 #4 LONGITUDINAL
BARS IN BOTTOM OF FOOTING.
Scanned with CamScanner
19.79 ft
EXISTING LOAD
BEARING WALL
ABOVE TO ROOF,
EB01 BELOW
EXISTING LOAD BEARING WALL ABOVE
TO 3RD FLOOR, GIRT BELOW
S-2
8/13/192ND FLOOR FRAMING PLAN
EXISTING
EXTERIOR
WALL ABOVE
6.72
f
t
2J01: 1-3/4"x11-1/4" LVL 2.0
2800 DF FLOOR JOISTS @16"
O.C. (TYP)
*PROVIDE SOLID BLOCKING
BELOW WALL ABOVE 5.07 ft
2B01: (3) 1-3/4"x11-1/4" LVL 2.0 2800
DF FLUSH FRAMED BEAM, CONNECT
EXISTING JOISTS WITH HANGERS. *IF
BEAM DEPTH EXCEEDS ALLOWABLE,
UPSET BEAM INTO EXTERIOR WALL
ABOVE. PIN 2X TO TOP OF BEAM AND
FULLY NAIL EACH STUD TO PINNED 2x.
EXISTING ROOF DECK JOISTS TO
REMAIN, NO MODIFICATIONS.
CONTRACTOR TO CONSULT ENGINEER
DURING CONSTRUCTION IF CONDITIONS
VARY FROM DESIGN AS SHOWN ON THE
DRAWINGS
4x6 DFL #2 POSTS
DOWN TO EXISTING
FOUNDATION WALL
BELOW, EACH END OF
2B01
16'-4"
81 HENSHAW AVE.
NORTHAMPTON, MA
Scanned with CamScanner3RD FLOOR FRAMING PLAN
[2ND FLOOR PLAN]
EXISTING FLOOR JOISTS TO REMAIN,
NO MODIFICATION. ASSUMED
DIRECTION OF FLOOR JOIST SPAN
INDICATED ON PLANS, CONTRACTOR
TO CONSULT ENGINEER DURING
CONSTRUCTION IF CONDITIONS VARY
FROM DESIGN AS SHOWN ON THE
DRAWINGS
EXISTING LOAD
BEARING WALL
14'-0"
81 HENSHAW AVE.
NORTHAMPTON, MA
S-3
8/13/19
Scanned with CamScannerCEILING JOIST FRAMING PLAN
[3rd FLOOR PLAN]
EXISTING CEILING JOISTS TO
REMAIN, NO MODIFICATION.
ASSUMED DIRECTION OF CEILING
JOIST SPAN INDIATED ON PLANS,
CONTRACTOR TO CONSULT ENGINEER
DURING CONSTRUCTION IF
CONDITIONS VARY FROM DESIGN AS
SHOWN ON THE DRAWINGS
EXISTING LOAD
BEARING WALL
10.07 ft
6.76 ft
5.78 ft
81 HENSHAW AVE.
NORTHAMPTON, MA
S-4
8/13/19