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HomeMy WebLinkAbout03-09-2026 - Addendum No. 4 - Sr. Center HVACBCRA 2106 Pacific Avenue, Suite 300 Tacoma, Washington 98402 (253) 627-4367 ADDENDUM NO. 4 PAGE 1 OF 2 Don Persson Renton Senior Activity Center: Exterior & HVAC Improvements City of Renton (CAG-26-032) March 09, 2026 City of Renton Don Persson Renton Senior Activity Center Exterior & HVAC Improvements (CAG-26-032) Renton, WA ADDENDUM NO. 4 March 9, 2026 This Addendum forms a part of the Contract Documents and modifies the original Contract Documents dated January 16, 2026 and Addendums 1, 2 and 3 issued previously, as noted below. Acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may subject Bidder to disqualification. This Addendum is issued to all known Plan Holders. This Addendum consists of 2 pages plus attachments. ATTACHMENTS NOTE: Addendum changes to the Drawings are issued on full size drawing sheets (30”x 42”); these changes are noted by a cloud drawn around the change and a revision number in a triangle as follows: 1. Revised Drawing Sheet A-611 (1 page, 22” x 34”) SPECIFICATIONS SECTION 08 8000 – GLASS AND GLAZING 1. Paragraph 2.03 B. 3. and 4. Manufacturers / Products: DELETE the products listed for Guardian and Viracon. Low-emissivity coated glass by these manufacturers with U-value of 0.26 and SHGC value of 0.35 when assembled in a 1-inch insulating glass unit with clear glass are acceptable (the products listed do not conform). 2. Paragraph 2.03 B. 1.- 4. Manufacturers / Products: CLARIFICATION: The products listed only apply to Glazing Type GL-2 (solarium glazing). For Glazing Type GL-1 (aluminum windows), provide the revised performance and products specified in this Addendum (below). ADDENDUM NO. 4 PAGE 2 OF 2 Don Persson Renton Senior Activity Center: Exterior & HVAC Improvements City of Renton (CAG-26-032) March 9, 2026 DRAWINGS SHEET A-611 – WINDOW TYPES 1. GLAZING TYPES: REPLACE Glazing Type GL-1 with revised Glazing Type GL-1 as follows; this revised glazing type supersedes all previous glazing performance requirements or products specified on the Drawings, Specifications or Addendums for GL-1: GL-1: 1-inch insulating glass unit with ¼ inch thick Clear Glass exterior pane (with Cardinal LoE3-366 Low-E coating on the number 2 surface) and ¼ inch thick Clear Glass interior pane (with Cardinal LoE2-i89 Low-E coating on the number 4 surface). Provide Heat Tempered Safety Glass where required by the IBC and 16 CFR 1201. Center of glass values shall be as follows:  U-Value: As required for combined frame and glazing U-value specified for windows in Section 08 5213.  Visible Light Transmittance: 56% or better.  Solar Heat Gain Coefficient: As required for combined frame and glazing Solar Heat Gain Coefficient (SHGC) specified for windows in Section 08 5213.  Air Space: 100% Argon. 2. WINDOW TYPES GENERAL NOTES: REVISE the maximum U-Factor in General Note #4 to 0.26 in lieu of 0.34 noted. 3. WINDOW TYPES GENERAL NOTES: REVISE the maximum SHGC in General Note #6 to 0.35 in lieu of 0.38 noted. END OF ADDENDUM NO. 4 GL-1 TYPICAL AT EXTERIOR WINDOW UNITS: CLEAR 1" INSULATED GLAZING UNIT WITH LOW-E COATING ON #2 AND #4 SURFACE AND INSULATING SPACERS BASIS OF DESIGN 1" INSULATING GLASS UNIT WITH 1/4" CLEAR GLASS EXTERIOR PANE WITH CARDINAL LOE3-366 LOW-E COATING ON THE #2 SURFACE, AND 1/4" CLEAR GLASS INTERIOR PANE WITH CARDINAL LOE-I89 COATING ON THE #4 SURFACE, AND ARGON GAS FILL. PROVIDE HEAT TEMPERED SAFETY GLASS WHERE REQUIRED BY THE IBC AND 16 CFR 1201 GL-2 TYPICAL AT SOLARIUM GLAZING REPLACEMENT: CLEAR 1" INSULATED GLAZING UNIT WITH LAMINATED SAFETY GLASS, WITH LOW-E COATING AND INSULATING SPACERS BASIS OF DESIGN (2) LAYERS CLEAR 1/4" LAMINATED SAFETY GLASS WITH CARDINAL LOE3-366 LOW-E COATING ON THE #2 SURFACE , AND ARGON GAS FILL. LAMINATED SAFETY GLASS SHALL HAVE (2) PLIES OF GLASS AND A 0.030" POLYVINYL BUTYRAL (PVB) INTERLAYER (PER WA STATE BUILDING CODE SECTION 2405.2.2.) GLAZING TYPES FINISH FLOOR FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) 6' - 9 " F V 7'-6 1/4" FV 4' - 3 " F V 6' - 9 " F V 4' - 3 " F V 7'-0" FV 6' - 9 " F V 4' - 3 " F V 6' - 9 " F V 4' - 3 " F V 6' - 9 " F V 4' - 3 " F V 4'-2 1/2" FV W1 W2 W3 W4 W5 W6 W7 6' - 9 " F V 4' - 3 " F V FV 1' - 8 " FV 4 1 / 2 " 7'-6 1/2" FV EQ EQ FV 1' - 8 " FV 4 1 / 2 " EQ EQ FV 1' - 8 " FV 4 1 / 2 " EQ EQ 7'-4 1/2" FV FV 1' - 8 " FV 4 1 / 2 " EQ EQ FV 1' - 8 " FV 4 1 / 2 " EQ EQ 6'-9 3/4" FV FV 1' - 8 " FV 4 1 / 2 " 4' - 3 " F V FV 1' - 8 " FV 4 1 / 2 " 6' - 9 " F V 3'-11 1/2" FV 6 A-504 5 A-504 4 A-504 7 A-504 10 A-504 SIM AT FC TRIM SIM AT FC TRIM AT SOFFIT AT ADJACENT PAVING AT FC TRIM 3 A-504 AT FC SIDING FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) 2 A-504 AT FC SIDING 1 A-504 AT FC SIDING 7 A-504 AT FC SIDING 10 A-504 AT ADJACENT WINDOW DETAILS CALLOUTS TYPICAL UNO FINISH FLOOR 4' - 6 " F V FV 2' - 0 " 4'-6" FV W12 PROVIDE ANTI-GLARE WINDOW FILM WHERE INDICATED ON EXTERIOR ELEVATIONS W10 W11 7'-6" FV6'-10" FV 4' - 3 " F V 2' - 6 " F V 4' - 3 " F V 2' - 6 " F V W9W8 FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) 4' - 3 " F V 3' - 0 " F V 1'-8" 7'-1" FV 4' - 3 " F V 3' - 0 " F V 1'-8"1'-8" 7'-6 1/2" FV W13 W14 4' - 3 " F V 2' - 6 " F V 3'-8" FV 4' - 3 " F V 2' - 6 " F V 5'-1" FV FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) FRAME: ALUMINUM FINISH: DARK BRONZE ANODIZED GLAZING: GL-1 PROJECTION:FIXED SHADING:EXISTING ROLLER SHADE (UNO) 2 A-504 SIM2 A-504 SIM 2 A-504 SIM 2 A-504 SIM6 A-502 1. 2. 3. 4. 5. 6. WINDOWS TO BE INSTALLED AT EXISTING ROUGH OPENINGS. FIELD VERIFY ALL OPENINGS SIZES. REFER TO SHEETS A-541 AND A-542 FOR TYPICAL WINDOW FLASHING AND SEQUENCING DETAILS. REFER TO EXTERIOR ELEVATION SHEETS A-201 AND A-202 FOR WINDOW TYPE CALLOUTS. EXTERIOR ALUMINUM WINDOW UNITS: ENERGY PERFORMANCE REQUIREMENTS MAXIMUM U-FACTOR, FIXED:0.26 (WSEC TABLE C402.4) MAXIMUM SHGC, PF<0.2, FIXED:0.38 (WSEC TABLE C402.4) EXTERIOR ALUMINUM WINDOW UNITS: THERMAL TRANSMITTANCE REQUIREMENTS MARLIN WINDOWS SERIES 1505 (BASIS OF DESIGN) SHALL HAVE AN AAMA 1503 CONDENSATION RESISTANCE FACTOR (CRF) OF NOT LESS THAN 56 AND AN NFRC 500 CONDENSATION RESISTANCE (CR) OF NOT LESS THAN 31. SOLARIUM GLAZING REPLACEMENT (SLOPED AND VERTICAL): ENERGY PERFORMANCE REQUIREMENTS MAXIMUM U-FACTOR, FIXED:0.26 MAXIMUM SHGC:0.35 FINISH FLOOR 5' - 8 1 / 2 " F V FV 2' - 0 " FV 2' - 0 " 5' - 1 0 " F V FV 2'-7 3/4" FV 2'-7 3/4" FV 2'-7 3/4" FV 2'-7 3/4" W16 FRAME: SOLARIUM CAP AND COVER FINISH: DARK BRONZE ANODIZED GLAZING: GL-2 PROJECTION:FIXED SHADING:NONE W15 FRAME: SOLARIUM CAP AND COVER FINISH: DARK BRONZE ANODIZED GLAZING: GL-2 PROJECTION:FIXED SHADING:NONE 3'-8 3/8" FV 3'-8 3/8" FV 3'-8 3/8" FV 3'-8 3/8" FV 8 A-504 8 A-504 11 A-504 11 A-504 2021 WASHINGTON STATE ENERGY CODE (WSEC) SECTION C202 GENERAL DEFINITIONS ALTERATION. ANY CONSTRUCTION, RETROFIT OR RENOVATION TO AN EXISTING STRUCTURE OTHER THAN REPAIR OR ADDITION. ALSO, A CHANGE IN A BUILDING, ELECTRICAL, GAS, MECHANICAL OR PLUMBING SYSTEM THAT INVOLVES AN EXTENSION, ADDITION OR CHANGE TO THE ARRANGEMENT, TYPE OR PURPOSE OF THE ORIGINAL INSTALLATION. REPAIR. THE RECONSTRUCTION OR RENEWAL OF ANY PART OF AN EXISTING BUILDING. SECTION C503 ALTERATIONS C503.1 GENERAL ALTERATIONS TO ANY BUILDING OR STRUCTURE SHALL COMPLY WITH THE REQUIREMENTS OF SECTION C503 AND THE CODE FOR NEW CONSTRUCTION. ALTERATIONS TO AN EXISTING BUILDING, BUILDING SYSTEM OR PORTION THEREOF SHALL CONFORM TO THE PROVISIONS OF THIS CODE AS THEY RELATE TO NEW CONSTRUCTION WITHOUT REQUIRING THE UNALTERED PORTIONS OF THE EXISTING BUILDING OR BUILDING SYSTEM TO COMPLY WITH THIS CODE. ALTERATIONS SHALL BE SUCH THAT THE EXISTING BUILDING OR STRUCTURE IS NO LESS CONFORMING WITH THE PROVISIONS OF THIS CODE THAN THE EXISTING BUILDING OR STRUCTURE WAS PRIOR TO THE ALTERATION. THE ADDITIONAL ENERGY EFFICIENCY CREDIT REQUIREMENTS IN SECTION C406.1 AND THE RENEWABLE ENERGY REQUIREMENTS IN SECTION C411 DO NOT APPLY TO ALTERATIONS. C503.3 BUILDING ENVELOPE NEW BUILDING ENVELOPE ASSEMBLIES THAT ARE PART OF THE ALTERATION SHALL COMPLY WITH SECTIONS C402.1 THROUGH C402.5 AND SECTIONS C503.3.1 THROUGH C503.3.3. EXCEPTION: AIR LEAKAGE TESTING IS NOT REQUIRED FOR ALTERATIONS AND REPAIRS, UNLESS THE PROJECT INCLUDES A CHANGE IN SPACE CONDITIONING ACCORDING TO SECTION C503.2 OR A CHANGE OF OCCUPANCY OR USE ACCORDING TO SECTION C505.1. NO CHANGE OF OCCUPANCY OR USE IS PROPOSED. C503.3.1 ROOF REPLACEMENT ROOF REPLACEMENTS SHALL COMPLY WITH TABLE C402.1.3 OR C402.1.4 WHERE THE EXISTING ROOF ASSEMBLY IS PART OF THE BUILDING THERMAL ENVELOPE AND CONTAINS NO INSULATION OR THE INSULATION IS LOCATED ENTIRELY ABOVE THE ROOF DECK. IN NO CASE SHALL THE R-VALUE OF THE ROOF INSULATION BE REDUCED OR THE U-FACTOR OF THE ROOF ASSEMBLY BE INCREASED AS PART OF THE ROOF REPLACEMENT. C503.3.2.1 REPLACEMENT FENESTRATION PRODUCTS WHERE SOME OR ALL OF AN EXISTING FENESTRATION UNIT IS REPLACED WITH A NEW FENESTRATION PRODUCT, INCLUDING SASH AND GLAZING, THE REPLACEMENT FENESTRATION UNIT SHALL MEET THE APPLICABLE REQUIREMENTS FOR U-FACTOR AND SHGC IN TABLE C402.4. NO NEW VERTICAL FENESTRATION AREA IS PROPOSED. NO NEW SKYLIGHT AREA IS PROPOSED. SECTION C504 REPAIRS C504.1 GENERAL BUILDINGS AND STRUCTURES, AND PARTS THEREOF, SHALL BE REPAIRED IN COMPLIANCE WITH SECTION C501.3 AND THIS SECTION. WORK ON NONDAMAGED COMPONENTS THAT IS NECESSARY FOR THE REQUIRED REPAIR OF DAMAGED COMPONENTS SHALL BE CONSIDERED PART OF THE REPAIR AND SHALL NOT BE SUBJECT TO THE REQUIREMENTS FOR ALTERATIONS IN THIS CHAPTER. ROUTINE MAINTENANCE REQUIRED BY SECTION C501.3, ORDINARY REPAIRS EXEMPT FROM PERMIT, AND ABATEMENT OF WEAR DUE TO NORMAL SERVICE CONDITIONS SHALL NOT BE SUBJECT TO THE REQUIREMENTS FOR REPAIRS IN THIS SECTION. C504.2 APPLICATION FOR THE PURPOSES OF THIS CODE, THE FOLLOWING SHALL BE CONSIDERED REPAIRS. 1. GLASS ONLY REPLACEMENTS IN AN EXISTING SASH AND FRAME. SHEET SHEET TITLE © COPYRIGHT 2025 - BCRA, INC. ALL RIGHTS RESERVED SEAL T 2 5 3 . 6 2 7 . 4 3 6 7 F 2 5 3 . 6 2 7 . 4 3 9 5 W W W . B C R A D E S I G N . C O M 21 0 6 P A C I F I C A V E N U E , S U I T E 3 0 0 , T A C O M A , W A 9 8 4 0 2 22 x 3 4 IF SHEET MEASURES LESS THAN 22"X34", IT IS A REDUCED PRINT. REDUCE SCALE ACCORDINGLY BCRA NO. DATE REVISIONS DRAWN BY: REVIEWED BY: PR O J E C T 3/ 9 / 2 0 2 6 1 2 : 5 1 : 0 5 P M A-611 WINDOW TYPES 100% CD SET 01.16.2026 25040 DO N P E R S S O N R E N T O N S E N I O R AC T I V I T Y C E N T E R 21 1 B U R N E T T A V E N RE N T O N , W A 9 8 0 5 7 HV A C , R O O F , E X T E R I O R S I D I N G & W I N D O W R E P L A C E M E N T 1/4" = 1'-0" WINDOW TYPES 1 Addendum No. 3 2/27/2026 2 Addendum No. 4 3/9/2026 WINDOW TYPES GENERAL NOTES ENERGY CODE SUMMARY 2 2 2 2 2 2