RESPONSE TO REQUEST FOR INFORMATION Number: 24 Ref: Site condition Project: The Crest, Little Mountain – 108 E 35th Ave, Vancouver

Date: July 14, 2018 Project No.: 1456

General Contractor: Performance Construction

Project Manager: Paul Warwick Page 1 of 1

Architects Representative: Rachael Mason, Architectural Technologist, AIBC c.c. Simon Leung Fidel Obrador Chris Godler Chris Hahn

Responses to RFI’s are issued to record any clarification or interpretation of the contract documents or giving direction on

problems resulting from field conditions. These instructions are subject to the provisions of the contract documents and

unless stated herein and specifically co-authorized by the Client, will not affect the contract. Should the contractor require a

change in the contract price or project schedule, he/she shall submit to within ten (10) days of the date hereof, an itemized

proposal. If the proposal is accepted by the Client, this instruction will be superseded by a Change Order

Timothy Ankenman, Architect AIBC, MRAIC – Principal 1645 West 5

th Avenue, Vancouver, B.C. V6J 1N5

François Marchand, Architect AIBC – Principal Tel: (604) 872-2595 FAX: (604) 872-2505

EMAIL: rachael@amarchitects.com

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A N K E N M A N M A R C H A N D

1.0 Double SW1 walls in units 104-403

1.1 Response: Please see attached response by structural, highlighted in yellow, on the original RFI.

Project #1306 the Crest #1306Date Wednesday, June 13th, 2018

Created By Chris GodlerCreated Wednesday, June 13th, 2018

Modified Thursday, July 19th, 2018RFI #024

Subject RFI #24 Double SW1 walls in units 104-403 Date 2018-Jun-13

Date Required 2018-Jun-20

Purpose

Clarification

Question

Why does the Structural IFCs still show double shear walls SW1 in units 104 to 403 but Simon Leung changed the exterior wall to SW2. This was done when he reviewed the MiTek Z4 ATS system.

Suggestion

Level of Urgency

Level High

Consultant

Type Architect

Replied To Yes

Name Company Email

Rachael Mason AM Architects rachael@amarchitects.com

Others

MITSUI HOMES CANADA

19680 – 94A Avenue Langley, BC V1M 3B7

June 13, 2018

REQUEST FOR INFORMATION #15

Page | 1

PROJECT Crest – Little Mountain PROJECT NO: Q17-197

SUBJECT Double SW1 walls in Units 104-403

FROM Frank Pereira

TO Paul Warwick, Performance Construction

Question:

Paul,

This RFI 15 is to clarify our conversation at the jobsite. The Structural IFC still shows double shear walls SW1 in

units 104 to 403 but Simon Leung changed the exterior wall to SW2. This was done when he reviewed the

MiTek Z4 ATS system. See attached documentation.

Thanks

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P.L

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5.3

3'

P.L.121.84'

3R @ 6.73"

Run:11"

16R @ 6.92"

Run:11"

3R @ 5.88"

Run:11"

3R @ 6.2"

Run:10"

3R

@

5.44"

Run:10"

2R

@

7.44"

Run:10"

3R

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5.64"

Run:10"

18R @ 6.89"

Run:11"

P.L

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5.5

1'

P.L.121.85'

3/16" = 1'-0"

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FRAMING OVER 1ST FLOOR PLAN

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A R C H I T E C T S

Project:

Drawing:

Scale:

DWG. NO:

All Drawings in this set to be read in

conjunction with each other. Any errors

or discrepancies to be reported to the

Architect before commencing work.

Contractors are responsible to ensure

that all work is executed to the

requirements of the appropriate

Building Code Authority.

© Copyright Ankenman Marchand

Architects. All rights reserved.

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SUBMISSION

Date Description

Project Status:

(YYYY-MM-DD)

Architect:

Consultant:

North Arrow:

108 East 35th Ave, Vancouver, BC.

May 27, 2018

11921

CREST - LITTLE MOUNTAIN

APARTMENTS

Forrester Development Corporation

2017-06-20 - Progress Drawings

BUILDING PERMIT

REVISION

No. Date Description

2017-06-30 - Progress Drawings2017-07-12 - Building Permit up to Grade

Drawn By: Checked By:

2017-08-15 - Progress Drawings2017-08-23 - Progress Drawings

2017-09-05 - Issued for Pricing

2018-01-15 - Issued for CP Review

Project Number: 11921

2018-03-01 - Issued for BP

2018-05-27 - Issued for Construction

3/16" = 1'-0"

S-6

FRAMING OVER 1ST FLOOR

PLAN

SL

N

ROOF JOIST LEGEND:

(38mm x 235mm @ 300mm o.c.)RJ3

RJ2

RJ1

2x10's @ 12"o.c.

(Double 38mm x 235mm @ 400mm o.c.)Double 2x10's @ 16"o.c.

2x10's @ 16"o.c.(38mm x 235mm @ 400mm o.c.)

RJ4(Double 38mm x 235mm @ 300mm o.c.)Double 2x10's @ 12"o.c. All columns shall be PROTECTED FROM MOISTURE and

installed according to manufacturer's details and instructions.

2).

1).Note:

PARALLAM COLUMN LEGEND:

3 1/2" x 5 1/4" Parallam PSL 1.8EWC2

WC1

Parallam beam shall NOT be substituted by Sawn Lumbercolumn of the same size.

3 1/2" x 3 1/2" Parallam PSL 1.8E

WC3 3 1/2" x 7" Parallam PSL 1.8E

BEAM HANGER NOTE:All beam hanger capacities as indicated on plan are specified(unfactored) vertical shear load.

All beams shall be PROTECTED FROM MOISTURE and installedaccording to manufacturer's details and instructions.Studs supporting beam shall have the same thickness, or theequivalent number of laminations as in the beam.

Parallam beam shall NOT be substituted by Timberstrand beam ofthe same size.

3).

2).

P6

Note:1).

P4

P5

3 1/2" x 11 7/8" Parallam PSL 2.2E

5 1/4" x 11 7/8" Parallam PSL 2.2E

7" x 11 7/8" Parallam PSL 2.2E

SOLID PARALLAM BEAM LEGEND:

Note for built-up beams::

For example, 2T2 denotes built-up of 2 plies of 1 3 4" X 1178"

Timberstrand OR solid member of 312" X 11 7 8" Timberstrand.

Built-up beams are to be laminated according to General Notes ondrawing S1.

BUILT-UP TIMBERSTRAND/MICROLLAM BEAM LEGEND:

BUILT-UP SAWN BEAM LEGEND:

P1

P2

P3

T1

T2

B2

B1

7" x 9 1/2" Parallam PSL 2.2E

5 1/4" x 9 1/2" Parallam PSL 2.2E

3 1/2" x 9 1/2" Parallam PSL 2.2E

1 3/4" x 11 7/8" Timberstrand LSL 1.55E

1 3/4" x 9 1/2" Timberstrand LSL 1.55E

(38mm x 286mm)

(38mm x 235mm)

2x12 Built-up

2x10 Built-up

'X' Indicates point load from above, provide studs tomatch above floor.

(H) Indicates header over window or door opening

M2 1 3/4" x 11 7/8" Microllam LVL 2.0E

B0 (38mm x 184mm)2x8 Built-up

(D) Indicates drop beam

P9

P7

P8

3 1/2" x 14" Parallam PSL 2.2E

5 1/4" x 14" Parallam PSL 2.2E

7" x 14" Parallam PSL 2.2E

FLOOR TRUSS FRAMING LEGEND:

Pre-Engineered Jack Trusses @ Max 24" o.c.

Pre-Engineered Floor Trusses @ Max 19.2" o.c. U.N.O.

All girder supports shall have min. 2 studs u.n.o.

All supports are to continue down to foundation.

Pre-Engineered Girder

Truss layout may not be altered without notification of theStructural Engineer. Contractor shall submit roof truss layoutfor approval prior to fabrication.The truss manufacturer shall provide a letter, sealed by aProfessional Engineer registered in the province of B.C.,confirming the proper installation of the trusses.

Truss manufacturer shall provide wind holdown at trusssupport where required.

5).

4).

2).

3).

Note:

1).

J:

FT:

G:

Pre-Engineered Gable End Girder TrussGE:

Pre-Engineered Gable TrussGT:

ST: Shear Truss to transfer 200lb/ft shear forcefrom roof sheathing to top of wall

T.B.P. indicates truss block-up panels between trusses. Trussblocking panels to drag 200 Ib/ft shear force from top chord tobottom chord of truss.

6).

1).Note:

3).

2).

All studs shall be PROTECTED FROM MOISTURE and installedaccording to manufacturer's details and instructions.

Studs supporting beam shall have the same thickness, or theequivalent number of laminations as in the beam.

#C4 # PLY 2x4 CRIPPLES

(38mm x 140mm)

(38mm x 89mm)

#C6 # PLY 2x6 CRIPPLES

For Example;- 4S4 denotes 4 plies of 2x4 B.U. studs.- 2C6 + 1S6 denotes 2 plies of 2x6 cripples + 1 ply 2x6 end

stud.(B.U.)Built-up studs are to be laminated according toGeneral Notes on drawing S-1.

STUD LEGEND:

#S4 # PLY 2x4 STUDS

(38mm x 140mm)

(38mm x 89mm)

#S6 # PLY 2x6 STUDS

STUDS CRIPPLESEND STUD

POINT LOAD

DROPBEAM

#C8 # PLY 2x8 CRIPPLES (38mm x 186mm)

(38mm x 186mm)#S8 # PLY 2x8 STUDS

DECK, CORRIDOR OR LANDING JOIST LEGEND:

2x10 DECK JOISTS @ 16"o.c.DJ1

DJ2

CJ1 2x6 CORRIDOR JOISTS @ 16" o.c.

CJ2 2x8 CORRIDOR JOISTS @ 16" o.c.

DOUBLE 2x10 DECK JOISTS @ 16"o.c.

DJ3 2x10 DECK JOISTS @ 12"o.c.

DJ4 DOUBLE 2x10 DECK JOISTS @ 12"o.c.

SHEARWALL LEGEND:

SB

HD

ST Denotes 2-CS16 simpson metal straps.

SOLID BLOCKINGS between joists

-denotes holddown per detail on Detail F6.1 on Dwg. S-3.6. Rodholdown diameter to be 1 1/8"Ø

Where panels are applied on both faces of a wall and nail spacing is less than 4" on centreon either side, panel joints shall be offset to fall on different members or framing shall be21

2" or thicker and nails on each side shall be staggered.

Provide 2x4 blockings at all panel edges.All nails to be placed not less than 3/8" from the panel edges.

SHEARWALL INSTALLATION NOTE:

See Details on Drawing F1.18 on S-3.1for shearwall details.

Provide 5/8"Ø anchor bolts per Details 6.1 on Dwg. S-3.6.

Min stud pack on either side to be 4-2x6 or 4-2x4 on either side ofHoldown(See Det. F6.1/S-3.6) or holdown legend below.

Denotes 1/2" plywood sheathing c/w 2.5" long (0.131"Ø) Nails @ 21/2" o/c along edge supports & @ 12" o.c. along intermediatesupports. All panel edges to be blocked.

All nails must NOT be overdriven to more than 15% of the panel thickness

Framing at adjoining panel edges is 64mm(2.5") lumber(or two 38mm(1.5") wide framingmembers connected to transfer factored shear force) of wider, and nails are staggered.

1/2" plywood panel on one side of 2x_ studs @ max. 16" o.c.SW1

1/2" plywood panel on both side of 2x_ studs @ max. 16" o.c.SW2

HOLDOWN STUD PACK LEGEND:

CENTER OF HOLDOWN TO BE MINIMUM 3"FROM EITHER FACE OF STUD

NOTES:

TYPICAL 2X4 PARTY

4-2x_ studs each end1 1/8"Ø ROD HOLDOWN

18"

WALL STUD PACK

4-2x_ studs each end1 1/8"Ø ROD HOLDOWN

REFER TO DETAIL F6 SERIES ON DRAWING S-3.6 FOR ANCHORAGEREQUIREMENTS OF HOLDOWN

-

- 3"

REFER TO DETAILS ON S-6.1 FOR ALL ANCHOR BOLTREQUIREMENTS; MINIMUM ANCHOR BOLT SPACING TO BE 30"O.C.

-

18"

2X6 INTERIOR WALL

4-2x_ studs each end1 1/8"Ø ROD HOLDOWN

18"

WALL STUD PACK

TYPICAL 2X6 CORRIDOR

STUD PACK

DELETE INTERIOR HD'sPER 'TLSE' REVIEWDOCUMENT DOC270318OF MiTEK Z4 ATSemail from Simon LeungMarch 27, 2018

EXTERIOR 'SW1' ISNOW 'SW2'

This walldoes notwork as asingle SW2so it waskept asSW1 forboth wallsin IFC.

1

Frank Pereira

From: Simon Leung <simon.leung@tlse.ca>

Sent: Tuesday, March 27, 2018 2:59 PM

To: Neal Nakano; 'Joanna Ting'

Cc: rachael@amarchitects.com; francois@amarchitects.com; Frank Pereira; Yas Nakamoto;

paul@performanceconstruction.ca; 'Richard Heida'; thomas.leung@tlse.ca

Subject: RE: Crest Little Mountain - Z4 Tie-Down System

Attachments: DOC270318.pdf

Hi Neal and Joanna,

See attached PDF for comments.

Simon Leung, EIT

TLSE Engineering

121 West 6th Avenue

Vancouver, BC V5Y 1K3

Tel: 604-873-1768 Fax: 604-873-9978

From: Simon Leung <simon.leung@tlse.ca>

Sent: March 27, 2018 2:37 PM

To: 'Neal Nakano' <nnakano@mitsuihome.ca>; 'Joanna Ting' <JTing@mitek.ca>

Cc: 'rachael@amarchitects.com' <rachael@amarchitects.com>; 'francois@amarchitects.com'

<francois@amarchitects.com>; 'Frank Pereira' <fpereira@mitsuihome.ca>; 'Yas Nakamoto'

<ynakamoto@mitsuihome.ca>; 'paul@performanceconstruction.ca' <paul@performanceconstruction.ca>; 'Richard

Heida' <RHeida@mitek.ca>

Subject: RE: Crest Little Mountain - Z4 Tie-Down System

Hi Neal and Joanna,

It is acceptable to use this product.

Simon Leung, EIT

TLSE Engineering

121 West 6th Avenue

Vancouver, BC V5Y 1K3

Tel: 604-873-1768 Fax: 604-873-9978

From: Neal Nakano <nnakano@mitsuihome.ca>

Sent: March 26, 2018 10:48 AM