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Reinforcing at Concrete Stair foundation and
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New Concrete wall connection to Existing Wall
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Franklin St./front of house
8" thick concrete walls with reinforcing as shown in details 1/A6.2 and 3/A6.2
Concrete to be minimum 28 day 3000 psi compressive strength.
Concrete stairs to have max. 7 1/2" risers and min. 10" treads.
Stairs in section 4/A6.2 below are shown with 9 equal risers at 7.1" ea.
Confirm field dimension from top of slab elevation at bottom of stairs to
finished grade at top of stairs to set actual riser height.
Drywell catch basin in slab on grade at bottom of stairs
Foundation Plan at Proposed Basement Stair
1/8" = 1'-0"
Section at Proposed Basement Stair
1/4" = 1'-0"
II 11 'I Lap 12" Set top of conc. retaining wall at
"above grade on street (high)
side. wa cap on top.
#3 rebar x 4'0" at 12" o.c. at
slab on grade
.' Note: rebar horiz. slab bars into
adjacent walls
#4 rebar at 12" o.c. each way
— — — — — #4 nosing rebar, 1" clear typ.
8" thick poured concrete
retaining walls on 12" x 24"
spread footings
#3 rebar at 12 "o.c. at
slab on grade
True North
Architecture
2 Silas Drive
Northborough, Massachusetts
01532
508.963.4562
La Croix &
Richer
Residence
21 Franklin St.
West Yarmouth, MA
02673
Renovation and
Addition
Issue Date: 3 April 2023
Revised:
c Copyright
True North hereby expressly reserves
its common law copyright. These plans
are not to be reproduced, changed,
or copied in any form whatsoever
without first obtaining the express
written consent of True North
Architecture
Proposed Exterior
Basement
Stair,
Foundation details
A6.2