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Edmonds ES FR#05 RYC 080420WETHERHOLT AND ASSOCIATES, I N C. FIELD REPORT — EDMONDS ELEMENTARY SCHOOL— FIELD REPORT Project No. 9009-07C5 Report #05 Site Visit Date: August 4, 2020 Page 1 of 10 Edmonds School District Job Address 20420 68th Avenue West 1215 Olympic Ave Lynnwood, WA 98036 Edmonds, Washington Attn: Nick Chou (ESD) Phone: 425-431-7161 Cc: Nelson, Michael (ESD) Phone: 425-409-1997 Brian Poppe (HKP Architects) Phone: 360-336-2155 McKenna Klein (HKP Architects) Phone: 360-336-2155 Spencer Olsufka (HKP Architects) Phone: 360-336-2155 Christine Baldwin (HKP Architects) Phone: 360-336-2155 Nick Pederson (ASM) Phone: 253-445-9500 Jason Wiklund (Wayne's) Phone: 253-863-4455 Chuck Richmond (Wayne's) Phone: 253-606-7787 DJ Johnson (Wayne's) Phone: 253-863-4455 David Hill (Soprema) Phone: 206-816-4494 Richard Nelson (Soprema) Phone: 360-960-0024 Conditions and Setting: Email: choun@edmonds.wednet.edu NelsonMicha@edmonds.wednet.edu Email: bpoppe@hkpa.com Email: mklein@hkpa.com Email: solsufka@hkpa.com Email: cbaldwin@hkpa.com nickp@architecturalsheettnetal.com Email: jason@waynesroofing.com Email: chuck@waynesroofing.com Email: DJ@waynesroofing.com Email: dhill@soprema.us Email: Weather: Sunny Temp: —757 Contractor: Wayne's Roofing Foreman: Isaac Workers On -Site: 8 (Wayne's), 2 (ASM) Location of work observed/Surveyed: West Roof Area Contact with while on site: Wayne's Roofing on -site foreman us Foreword: This writer was on -site 08/04/20 to review the installation of the new roof assembly at Building Areas B and D. The following items were discussed during the meeting: Specified Roof Assembly: Sheathing: Existing Plywood Sheathing (or replace where deteriorated) Insulation: Tapered polyisocyanurate insulation Coverboard: 1/4-inch DensDeck Prime, mechanically fastened Base Sheet: Soprema Sopralene Flam Stick Interply: Soprema Sopralene Flam 180 Capsheet: Soprema Sopralene Flam 250 FR GR Baseflashing Ply: Soprema Sopralene Flam Stick Baseflashing Surface Sheet: Soprema Sopralene Flam 250 FR GR Signed: Roman Cherkasov, Field Inspector Sent: August 6, 2020 Reviewed by: Mike Caniglia, Senior Field En ig neer 14 71S NE 951h Street, Suite 100 Phone: 425 822-8397 Redmond, WA 98052 Fax: 425 822-7595 Edmonds Elementary School Report #5 Page 2 of 10 Job No. 9009-07C5 Observations: 5.2 Overview photo of Building Area-D roof, as viewed from the southwest. Photo depicts the progress of the new roof assembl installation throu h the So ralene Flam 180 inte 1 . 7 1 J-t _L. =1 � - - - _ - i... yam_•_ f Signatures on Page 1 Edmonds Elementary School Report #5 Page 3 of 10 Job No. 9009-07C5 Observations Continued: 5.3 Building Area-D: In the field of the roof, Sopralene Flam 180 interply is torch applied with 3-inch side laps and a minimum of 6-inch end laps. 5.4 Building Area-D: Roof penetrations extending through the Sopralene Flam 180 roof membrane were teMorarily sealed with sealant around the bases of the enetrat. ns with roof sealant. R Signatures on Page 1 Edmonds Elementary School Report #5 Page 4 of 10 Job No. 9009-07C5 Observations Continued: 5.6 Buildin Area-D: Mechanical penetration areas are marked -out on the surface of the roof membrane. 5.7 Building Areas B and D: At the night tie -offs, Sopravap'r self -adhered flashing is installed extending approximately 6-inches onto the new and existing roofing assemblies. The perimeter edge of the self - adhered flashing on the existing roof assembly is sealed with asphalt mastic. Penetrations extending through the ni ht tie -offs are sealed with sealant. �o \ mV W�Sd 5.8 Safety anchors have arrived on -site and will be installed at a later time. y Signatures on Page 1 Edmonds Elementary School Report #5 Page 5 of 10 Job No. 9009-07C5 Observations Continued: 5.9 At the Building Area D, the _ '.A y.; 5.10 At the perimeter of Building Area B, pre -constructed 2x wood framed roof curbs are installed nailed to the existing wood framing. The roof curbs are infilled with fiberglass insulation batts and enclosed with '/z-inch thick plywood sheathin . 2 5.11 Building Area B: Prior to installation of the baseflashing reinforcing ply, Sika Sikaflex 1 a sealant is gun - applied at the joint between the perimeter wood curb and the roof deck, as well as vertical joints of the wood curbs. r Signatures on Page 1 Edmonds Elementary School Report #5 Page 6 of 10 Job No. 9009-07C5 Observations Continued: 5.12 Building Area B: Elastocol Stick Primer is roller -applied onto the surface of the roof and interior vertical face of the wood curb. A gap observed between the substrate board and the wood curb is infilled with insulation prior to cover. 5.13 Building Area B: Prior to installation of the Sopralene Flam Stick, the membrane is measured and cut in the field as needed. 5.14 Building Area B: A strip of Sopralene Flam Stick is installed at the roof -to -curb transition. The membrane is installed self -adhered extending approximately 5-inches onto the surface of the roof and interior face of the curb. A silicone roller was utilized to press -in the membrane at the laps to promote adhesion. Signatures on Page 1 Edmonds Elementary School Report #5 Job No. 9009-07C5 Observations Continued: 5.15 Page 7 of 10 Building Area B: At the roof -to -curb transitions, cant strips are installed prior to installation of the additional Sopralene Flam Stick basesheet lapped onto the existing field membrane. Sopralene Flam New Problem Items and Solutions: 5.16 At Building Area-B, areas of damage were observed in the Soprema Sopralene Flam 180 interply. Per discussion with the on -site foreman, these locations are temporarily sealed with sealant and will be hatched with additional Sopralene Flam 180 prior to cover. Signatures on Page 1 Edmonds Elementary School Report #5 Page 8 of 10 Job No. 9009-07C5 Outstanding Problems and Solutions: 4.13 At Building Area-C, west roof area, safety anchors are installed mechanically fastened through the newly installed Sopralene Flam Stick. Once the safety anchors are removed, holes in the roof membrane should be addressed in accordance with manufacturer's instructions. 4.14 At the night tie -offs, deficiencies were observed in the Soprema Sopravap'r self -adhered flashing. Per discussion with the on -site foreman, these locations will be addressed b the end of the da . Y. aiW."s�ris�� c t Signatures on Page 1 Edmonds Elementary School Report #5 Page 9 of 10 Job No. 9009-07C5 Outstanding Problems and Solutions Continued: 2.3 At the northeast opening, along the south perimeter, rot exists in a portion of the wood framing. As discussed with Wayne's, the carpenters have been notified and the condition will be further reviewed to determine the extent of the rot and repairs. Update 07/28/20 FRO: The wood framing has been made temporarily water tight. - Signatures on Page 1 Edmonds Elementary School Report #5 Page 10 of 10 Job No. 9009-07C5 Roof Plan: (---i------- llki7i o8 _= I him 411 1 P:I.FA V. .:FM�!M�� 7- 1. P, : : o - o a o ©o 0 Approximate location of roof perimeter removed and self -adhered flashing installed Approximate location of deteriorated framing components —End of Report Approximate location of the newly installed roof assembly through the interply Signatures on Page 1