20150715145606784.pdfTo: Leif Bjorback June 29, 2015
Building Official
City of Edmonds
Woodinville, WA 98072
RE: Edmonds Post Office Fire Sprinkler Submittal #BLD2015-0349
To whom it may concern:
We have reviewed the fire sprinkler plan review comments from Eagle Eye
Consulting Engineers for the Edmonds Post Office and made revisions to the plans
and hydraulic calculations. Below is an explanation of the revisions by line item
according to the review letter dated March 26, 2015.
1. Fire rated assemblies have been noted on the plans. Fire stop system
specifications have been added to the Material Specifications section of the
calc book.
2. Required pipe clearances have been noted on the plans.
3. Post -installed anchors will be embedded into 6,000 psi concrete per the
Table of Mix Design Requirements on 51.00.
4. Drawings have been noted that branch lines will be restrained per NFPA 13
— 201 Oed. 9.3.6.
5. Class I standpipe calculations have been added to the talc book.
6. On FP 1:
a. The 2010 editions of NFPA 13, 13R and NFPA 14 have been
referenced.
b. The hanger detail has been changed to 1/4" Hilti HDI -P post -install
anchors, minimally embedded 5/8", and notes that hangers are to be
10'-0" apart max.
c. The total dry pipe volume of 612.68 gallons is noted on page 2 of the
hydraulic calculation for "Residential Unit 413."
d. No bell is required for centrally monitored systems per NFPA 13,
A.6.9.3.1.
, i .
14401 Issaquah -Hobart Rd SE Suite 201 425-271-5598 State Contraci6 PsIice! rse
Issaquah, WA 98027 Fax: 425-295-7188 # MOOREFP I 16NP
7. On FP2, the 21/2" cross mains will be secured with Unistrut P 1000 every 12'-
0" as shown on the revised plan.
8. On FP3:
a. Sway bracing has been added to the 21/2" cross mains.
b. Sway bracing has been added to the 4" feeders along Grid F.
9. On FP4-FP6:
a. Sidewall spacing
b. Permitted shadow areas have been denoted on the plans.
Thank, you for your time,
Matthew Steele, Engineer
Moore Fire Protection
14401 Issaquah -Hobart Rd SE Suite 201 4-25-271-5598 State Contractor's License
Issaquah, WA 98027 Fax: 425-295-7188 # MOOREFP I 16NP