HomeMy WebLinkAbout22 Mayflower Flood Vent Letter 1-28-20 Final Stamped (2).pdfMACINNES CONSULTING, LLC.
PO Box 1182, East Sandwich, MA 02537
(508) 274-2091
shawn@macinnesconsulting.com
January 28, 2020
Brad Inkley
Building Department
Town of Yarmouth
1146 Route 28
South Yarmouth, MA 02664
RE: Flood Vent Design
22 Mayflower Terrace
South Yarmouth, MA 02664
Dear Mr. Inkley,
Regarding 22 Mayflower Terrace, please disregard the original flood vent plan that was
submitted. Attached with this letter please find the final flood vent plan sheet A-2.7. The
basement calculation area of square footage is 1,592 requires a vent capacity of 1,600
square foot. The contractor has chosen to go with the freedom flood vent which have a
capacity of 250 square feet each. Therefore 8 vents giving a total capacity of 2,000
square foot.
Please contact MacInnes Consulting if you have any questions or require additional
information.
Sincerely,
Shawn MacInnes, P.E.
License # 41328
MARK DATE DESCRIPTION
PROJECT NO:
A-2.7
SHEET TITLE
SHEET 16 OF 16
COPYRIGHT
DATE:
DRAWN BY:
#Pln
#CAD
ADDITION
10/10/16
22 MAYFLOWER
TERRACE
YARMOUTH
MA 02664
FLOOD VENTS
A.M.P.M DESIGN
P.O BOX 586
WEST DENNIS
MA 02670
508-400-6093
WWW.AMPM.DESIGN
OBERLANDER
RESIDENCE
01 08/09/2019 ELEVATION
CHANGES
STRUCTURAL.
MACINNES
CONSULTING, LLC
P.O BOX 1182
EAST SANDWICH,
MA 02537
EXISTING
10"13'-10"
SMART VENTS
TOTAL OF 8 = 2 ON
SIDE WALL, 6 ON
BACK
5/8" GALVANIZED STEEL ANCHOR BOLTS W/
3"X3"X1/4" PLATE WASHERS TO BE
INSTALLED IN BOTTOM PLATE AT EVERY 36"
AND 6"-12" FROM END PLATES. EMBEDDED
15" INTO GROUTED CELL OF CMU
SIMPSON SSP (OR EQUAL) STEEL STRAP
LAPPED UNDER SILL PLATE IN
ACCORDANCE WITH WFCM. EXTENDS 18"
OUTER SIDE OF EXTERIOR STUD
SIMPSON SSP (OR EQUAL) STEEL STRAP
LAPPED UNDER SILL PLATE IN
ACCORDANCE WITH WFCM. EXTENDS 18"
OUTER SIDE OF EXTERIOR STUD
5/8" GALVANIZED STEEL ANCHOR BOLTS W/
3"X3"X1/4" PLATE WASHERS TO BE
INSTALLED IN BOTTOM PLATE AT EVERY 36"
AND 6"-12" FROM END PLATES. EMBEDDED
15" INTO GROUTED CELL OF CMU
*FLOOD VENT
8"X16"
*FLOOD VENT
8"X16"
CRAWL SPACE CRAWL SPACEBASEMENT
ENGINEERED SMART VENTS, 1 PER 200 SF
OF ENCLOSED AREA.
BOTTOM OF VENT WITHIN 1' OF GRADE
AND WHOLE VENT BELOW FLOOD
ELEVATION OF 9'
1
A 3.0
2
A 3.1
SCALE: 3/8" = 1'-0"1 FOUNDATION PLAN