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Burrows Consulting Services, Inc. 8 14 ( ao Li - 6 6)( �� '75617 ski October 20, 2004 it Brian Blalock Senior Plans Examiner City of Tigard 13125 SW Hall Blvd. Tigard, OR 97223 Dear Brian, The drawings and related design documents for the Gilroy Office building were reviewed and found to be in substantial compliance with the 1998 Oregon Structural Specialty Code. CONDITIONS OF CLEARANCE: 1. Final clearances and permit processing by the City. 2. Secure review and approvals from Planning, Engineering and Fire Department. 3. All applicable Fire Code requirements are to be reviewed and approved by the fire marshal. 4. Deferred submittals include plumbing, mechanical and electrical systems and the steel framed canopies that will require separate plan reviews and permits. 5. City of Tigard's special inspection form completed and signed by the permit applicant? DOCUMENTS TRANSMITTED: 1. 2 sets of drawings by Stueve & Royce Architecture. 2. 1 set of structural calcs by Nava Engineering. SENT TO YOU VIA: UPS, Next Day Ground Sincerely, 11144f4 /5"ow/Z- Mark Burrows 2777 Toni St. NE • Albany, Oregon 97321 • Ph (541) 926 -2131 • FAX (541) 926 -3236 • Stueve & Royce Architecture 820 N. River St. Suite 103 Portland, OR 97227 Chuck Cohen - project mgr. October 15, 2004 Mr. Mark Burrows Burrows Consulting Services 2777 Toni St. NE Albany, OR 97321 Re: Gilroy Office Building 7307 SW Beveland Road Tigard, Oregon Dear Mr. Burrows: Following is our response to the plan review dated October 2, 2004 for the above referenced project. Items are numbered in accordance with the review comment. item # 1. Plumbing, mechanical, and electrical will be bidder designed with subcontractor submitting two copies of plans for separate plan reviews and permits. Prior to construction of steel framed canopies, 2 copies of plans for steel framed canopies will be submitted by structural engineer for separate plan review and permit 2. On upper and lower level floor plans, sheet A2.1, wall type tags at the south wall of the building have been revised and/ or added to indicate non -rated wall assemblies - see sheet A2.1 3. The uninhabitable space has no intended future use. The uninhabitable space results from ease of constructability. If this space is used as office space, conference rooms, or other uses the owner acknowledges that separate plans for review and permit will be required 4. Requirements for approved address numbers have been added to elevation notes on sheet A4.1 5. On upper floor plan, sheet A2.1, additional wall type tags have been added, wall types on gridline #8 at A to C , beteween D and E and at J indicate one hr. fire rated wall assemblies for adhered veneer stone, ext. cem. plstr., and wood siding w/ wd. battens 6. On sheet A2.1, wall type notes # 's 5 & 6 have been aded to require walls that support trusses to be one hour fire resistive construction w/ dbl. 2 x blkg. in trusses - also see typical wall section, sheet A5.1 7. Roofing, assembly call out on sheet A5.1 has been revised to include a Class B roofing assembly 8. On upper floor plan, sheet A2.1, a code conforming attic access has been added at hall adjacent to restrooms - see keynote #17 9. Building Section A, Sheet A3.1, has been revised to inidicate gyp. bd. at interior face of gable end wall to provide one hour fire rating at east wall. Keynote # 14 on East Elevation, Sheet A4.1, indicates fire rated assembly at grid line 8, A to G. Page 1 of 3 10. Typical wall section, Sheet A5.1, has been revised to clarify that overhangs along east wall shall be of one hour fire resistive construction. Elevation keynote #24, Sheet A4.1, has been revised to indicate that non- structural wood outriggers are min. 4 x wd. members 11. Typical wall section, sheet A5.1, has been reivsed to omit eave vent along east wall. Roof plan, sheet A5.1, has been revised to indicate attic vents installed 10 ft. or more from property line 12. Lower level plan note #2 and upper level plan note #1, sheet A2.1, have been added for specifying the provision of portable fire extinguishers 13. Lower level plan note #3 and upper level plan note #2, sheet A2.1, have been added to specify required locations of fireblocking 14. Upper level plan note #3, sheet A2.1, has been added to provide fire dampers for ducts penetrating the ceiling of the fire resistive roof - ceiling assemblies 15. Upper level plan keynote #10, sheet A2.1, has been revised to include self-closing doors with automatic latches at openings in attic draft stops 16. No suspended ceiling system is scheduled for lower plan level. Lower level plan note #1 has been added to specify the locations of draft stops for the floor - ceiling assembly where a suspended ceiling system is utilized 17. Upper level plan keynote #1, sheet A2.1 and keynote #32, sheet A4.1 have been revised to include min. & max. dimensions for stair risers and min. dimension for treads 18. Handrails have been added to exterior stairs at upper level entrance, sheet A2.1. Upper level floor plan keynote #18, Sheet A2.1 and elevation keynote #33, sheet A4.1 has been added to specify size, height, & length of handrails. 19. Elevation note #3, sheet A4.1, has been added to include guardrail height and stair railing requirements where open sides of stairways or balconies are more than 30 inches above grade 20. Refer to response from civil engineer 21. Refer to response from civil engineer 22. Upper level plan note #4 and lower level plan note #5 have been added stating location requirements for controls, dispensers, receptacles, and other operable equipment 23. Door schedule on sheet A6.1 has been revised for "occupied" indicators to be provided for doors #'s 107,108, 217, 218 24. Notes for conformance of stair nosings and risers to U.B.C. section 1109.8.3 have been added as a stair call out on Building Section C, sheet A3.2 and elevator keynote #34, sheet A4.1 t . 25. A.D.A. fixture mounting height notes #1 and #2 have been added on sheet A3.2 to provide insulation or covering for under lavatories or sinks and prohibit sharp or abrasive surfaces under sinks or lavatories Page 2 of 3 26. Upper floor plan keynote #15 on sheet A2.1 has been added that calls out for a portion of the lobby counter to be a minimum of 36" long and not more than 36 " above the finished floor 27. Refer to response from civil engineer 1 28. Wall type notes #3 and #4 on sheet A2.1 have been added to specify the type of weather barrier called out for wall types E, F, & G 29. Elevator note #2 on sheet A3.1 calls for elevator installation to be in accordance with mfr's. specifications and all applicable codes - notes for elevator subcontractor to contact State of Oregon Building Codes Div. Elevator Safety Program regarding the review and inspection of the elevator & machine room have been added to Elevator note #2 30. Inspections required by struct. engr. have been added to sheet S1, refer to attached structural engineer's letter regarding special inspections 31. Lower level floor plan keynote #4 and upper level keynote #16, Sheet A2.1 have been added for providing a code conforming, mechanically operated, exhaust system for each restroom 32. Anchor ties are not required for the wall assemblies with adhered manufactured veneer stone - wall types F, F1, F2 on sheet A2.1 have been revised to include National Evaluation Report, NER -358 that finds adhered manufactured veneer stone is an acceptable alternative method of construction (report attached to this response sheet). Our office's correspondence (10/14/04) with Brain Blalock, city of Tigard Bldg. Dept., indicated that adhered manufactured veneer stone is an acceptable method of construction for a one hour fire resistive wall assembly provided that: (a.) the veneer stone is not used as a component of the fire resistive rated assembly, (b.) a 1/2" thick min. scratch coat with a 1/2" min. cementitious mortar bed for setting the stones be utilized (c.) all other components of the wall assembly are the same as an exterior wall with exterior cement plaster and 5/8" type "x" gyp. bd. interior finish. Brian Blalock has requested that you contact him if further discussion on this wall assembly is required 33. Call out on roof plan, sheet A5.1, has been revised to include 15# felt minimum under the roofing material 34. Lower level plan note #4 has been added to indicate a one hour occupancy separation for the mechanical room from the rest of the building will be required if the largest piece of heating equipment exceeds 400,000 BTU per hour input 35. A prefabricated metal fireplace is indicated on the upper level floor plan keynote #13 - the keynote has been revised to indicate that the fireplace to be installed per mfr's. specifications. Twist straps attaching chimney to building per struct. engr.'s recommendations have been added to Building Section A, sheet A3.1 Chimney framing is scheduled for exterior cement plaster and gyp. bd. finishes. Refer to attached struct. engr's. letter indicating sufficiency of chimney framing 36. Elevation note #2 , sheet A4.1 has been add to specify that structural members exposed to the weather shall be pressure treated or equal Page 3 of 3 1, 1 Mx National Evaluation Service, Inc. Ewa 5203 Leesburg Pike, Suite 600, Falls Church, Virginia 22041 -3401 INTERNATIONAL Phone: 703 /931 -2187 Fax: 703/931 -6505 CODECOUNCIL,. website: www.nateval.org • NATIONAL EVALUATION REPORT Report No. NER -358 Copyright © 2000, National Evaluation Service, Inc. Reissued November 1, 2000 CULTURED STONE® AND SACRAMENTO STONETA To attach the stone, the mortar bed shall be 1/2 inch (12.7 mm) thick and of Type N or S mortar, complying with ASTM CULTURED STONE, A DIVISION OF OWENS CORNING C270. Mortar shall be mixed to a firm, moist consistency POST OFFICE BOX 270 and spread on the wall. Mortar is also permitted to be NAPA, CALIFORNIA 94559 applied to the entire back of the stone. Mortar shall not be spread more that 5 to 10 ft (0.5 to 0.9m of area ahead of www.culturedstone.com applying the stone. e -mail: cltrdstn@culturedstone.com • 5.0 IDENTIFICATION 1.0 SUBJECT The Cultured Stone and Sacramento Stone shall be • Cultured Stone® and Sacramento StoneTM identified by the product name, manufacturer's name, the initials "C.S.V." cast into the side of each piece of stone, 2.0 PROPERTIES FOR WHICH EVALUATION IS SOUGHT and the National Evaluation Service, Inc. report number. 2.1 Interior finish and trim classification 6.0 EVIDENCE'SUBMITTED 2.2 Thermal resistance 6.1 • Manufacturer's descriptive literature and installation 2.3 Adhered exterior veneer instructions. 6.2 Report on Fire Hazard Classification of Mineral 3.0 DESCRIPTION Composition Units, Project No. 76sc4006, dated November 3, 1976, by Underwriters Laboratories Inc. The stone products are manufactured, precast, artificial The test was conducted in accordance with ASTM stone similar in color and texture to natural stone. The E84, using 1 7/8 inch (48 mm) thick samples of hearth products are made from Portland cement, aggregate and stones. mineral oxide colors, which are then cured. The stones have an average thickness of 1 3/4 inches (45 mm) and an 6.3 Report on Thermal Conductivity, Laboratory Report oven -dry weight of 74 lb/ft (1186 kg /m The stones are No. 8058, dated December 2, 1994, by Geoscience, used as a non - bearing exterior veneer or an interior finish Ltd. The test was conducted in accordance, with and trim on concrete or masonry walls, stud walls and ASTM C177. metal buildings: Sacramento Stone is identical to Cultured 6.4 Report on Unit Weight Determination of Cultured Stone except for color. • Stone Materials, prepared by TEI Consulting Engi- • The stone products have a Class I (Class A) finish rating veers, Work Request No. 88128.4, dated January 16, when tested in accordance with ASTM E84. Additionally, 1989, signed by Vijay Jain. the stone products have an R value of 0.355 when tested 6.5 Report on Freeze -Thaw Test on Cultured Stone in a thickness of 1 inch (25 mm), in accordance with ASTM Material, prepared by TEI Consulting Engineers, C177. Work Request No: 88128.2, dated January 16, 1989, • signed by Vijay Jain. 4:0 INSTALLATION 6.6 Report on Compressive'Strength'Test of Cultured The stone shall be installed in accordance with this report Stone Material, prepared by TEI Consulting Engi . and the manufacturer's installation instructions, copyrighted veers, Work Request No. 88128.12, dated April 18, January 2000. When the exterior or interior masonry 1989, signed by Vijay Jain. surfaces are unsealed and unpainted, the stone mortar is 6.7 Report on Flexural Strength Test of Cultured Stone permitted to be applied directly to the surface. Painted, Material, prepared by TEI Consulting Engineers, sealed or dirty surfaces shall be sandblasted and cleaned, Work Request No. 88128.11, dated April 18, 1989, and dust shall be removed by washing thoroughly before signed by Vijay Jain. applying mortar. Where the substrates is a material other • than concrete or masonry, the substrate shall be covered 6.8 Report on Tensile Strength Test of Cultured Stone with a minimum of one layer of a water - resistive barrier Material, prepared by TEI Consulting Engineers, complying with the requirements of Chapter 14 of the Work Request No. 88128.3, dated April 15, 1989, applicable building code. signed by Vijay Jain. • This report is limited t� the specific product and data and test reports submitted by the applicant in its application requesting this report. No independent tests were performed by the National Evaluation Service, Inc. (NES), and NES specifically does not make any warranty, either expressed or implied, as to any finding or other matter in this report or as to any product covered by this report. This disclaimer includes, but is not limited to, merchantability. This . report is also subject to the limitation listed herein. Page 1 of 2 Page 2 of 2 Report No. NER -358 6.9 Report on Water Absorption Test of Precast Cultured 7.1 The stone veneer shall be limited to 30 ft (9144 mm) Material, prepared by TEI Consulting Engineers, in height above the noncombustible foundation when Work Request No. 88128.3, dated April 25, 1989, used as an exterior veneer attached to wood - framed signed by Vijay Jain. construction. Installation above the 30 ft (9144 mm) height are outside the scope of this report. Special 6.10 Report on Shear Bond Test Between Scratch Coat designs shall be approved by the code official. and Type S Mortar, prepared by TEI Consulting Engineers, Work Request No. 88128, dated April 25, 7.2 Each stone shall not exceed 36 in. (914 mm) in the 1989, signed by Vijay Jain. largest dimension, shall be no more than 720 in (0.46 6.11 Report on Shear Bond Test of Precast Cultured m in area, and shall weigh no more than 15 lb/ft Stone Veneer from a Concrete Masonry Unit (CMU) (718 Pa). and Concrete Wall, prepared by TEI Consulting 7.3 The stone veneer shall be installed in accordance Engineers, Work Request No. 88128.9, dated April with the manufacturer's installation instructions, 25, 1989, signed by Vijay Jain. subject to the conditions of this report. 6.12 Report on Shear Bond Test Between Mortar and 7.4 All exterior wall substrates shall be covered with a Metal Lath, prepared by TEl Consulting Engineers, minimum of one layer of a water- resistive barrier Work Request No. 88128.13, dated April 18, 1989, complying with the requirements of the applicable signed by Vijay Jain. building code, except where the substrate is of 6.13 Report on Floor Protections and Wall Shields, pre- concrete or masonry construction. pared by Underwriters Laboratories Inc., File MH 7.5 To maintain the weather - resistance of the exterior 11019, dated June 24, 1980, revised October 1987, wall on which the stone roducts are installed, rigid, signed by Kusum Vidanage and Alex A. Briber. corrosion - resistant flashing and a means of drainage 6.14 Report on Transverse Load Test on Stucco Panel, shall be installed at all penetrations and terminations prepared by TEl Consulting Engineers, Work Request of the stone cladding. Flashing type and locations No. 90035, dated August 22, 1990, signed by Vijay shall be in accordance with the requirements of the Jain. applicable code. 7.6 The stone veneer shall not be used as a component 7.0 CONDITIONS OF USE of a fire resistance rated assembly. The National Evaluation Service Committee finds that 7.7 This report is subject to re-examination on a periodic Cultured Stone and Sacramento Stone are acceptable basis. For information on the current status of this alternative materials, products or methods of construction report, consult the evaluation report listing or contact to those specified in the 2000 International Building Code, the NES. 2000 International Residential Code, BOCA National Building Code /1999, 1999 Standard Building Code, and 1997 Uniform Building Code subject to the following conditions: Nava Contracting & Engineering, Inc. 3311 N.E. Couch St., Portland, Oregon 97232 Ph: (503) 238 -0633 ; Fax : (503) 238 -0533 FACSIMILE To: Tom Clark Date: 10/14/2004 (503) 293-1536 From: Matthew V. Nava, P.E. No. of Pages: i Re: Gilroy Office Building Response to Plans Review Comments Tom, Following is my response certain items for the Clark Office Building plans review comments. Item 30. Special Inspections Special inspections shall be required for the cantilever retaining walls. Inspections to be performed prior to pouring concrete for placement of the reinforced steeL Contact me 3 days prior to pour. Structural Steel Fabrication: Steel fabrication and shop welds to be inspected by a qualified inspection agency. All field are nominal fillet welds which can normally be visually inspected by the City Inspector. Should the inspector have any concerns or questions, he may require the contractor to contact me for . special inspections. Epoxy anchors are not currently specified on the contract drawings. Should epoxy anchor be required due to field conditions, the installation may be inspected be a qualified inspection agency. Contractor to contact me for anchor bolt size and embedment requirements. A325 High Strength Bolts: All A325 bolts specified are not in with -in the slip critical category nor subject to tension loads nor required to be fully tensioned bearing type connections. Thus per AISC Specifications for Structural Joints using ASTM A325 bolts, all bolts shall be installed in properly aligned holes and need only be tightened to the snug tight condition. Snug tight condition is defined as the tightness that exists when all plies in a joint are in firm contact. This may be attained by a few impacts of on impact wrench or the full effort of a man using an ordinary spud wrench. Inspection of these bolts may be performed by the city inspector or by myself upon request. Item 35. Design and installation of gas fireplaces are per manufacturers specifications. Framing for the chimney chase enclosure is to be constructed from DF 2 x 4 studs at 16" o.c. Provide Simpon TS 22 twist straps from adjacent stud framing at main floor, main floor ceiling and roof. Exterior fininsh to be stucco finish as specified on drawings. Installation of all stucco to be per manufacturers Nava Contracting & Engineering, Inc. . i . 3311 N.E. Couch St., Portland, Oregon 97232 Ph: (503) 238 -0633 ; Fax : (503) 238 -0533 ' requirements and architectural requirements. All stucco material and installation requirements including flashing or any other requirements are by others. Typical DF 2 x stud framing is adequate for structural vertical support. Call if you have any questions. Regard Matthew Na E. C 4 � " � . , . VP"' S i . 25.. : /V 3311 N.E. Couch 5t Porttand, Oregon 97232 Ph: (503) 238 -0533 ; Fax : (503) 238 -0533 FACSIMILE To: Mark Burrows Date: 10/18/2004 City of Tigard (503) 233 - 1310 From Matthew V. Nava, P.E. No. of Pages: Re: Gilroy Office Building Concrete Strength and Inspection Requirements Addendum # I Tom, Please provide the following concrete specifications for items listed below: 1) Concrete foundation walls less than 4 ft in height to be 2500 psi strength at 28 days 2) Concrete Retaining walls over 4 ft in height to be 3000 psi minimum strength at 28 days 3) Concrete for exterior porches and steps to be 2500 psi minimum 4) Provide special concrete testing for concrete with compressive strength greater than 2500 psi per Uniform Building Code Section 1701.5.1 5) Provide special inspection for the placement of reinforcing for the concrete retaining walls. Note the inspector need not be present continuous during placing of reinforcing steel provided the inspector has inspected for conformance to the approved plans prior to closing of forms or the delivery of concrete to the jobsite. Regards, Matthew V. Nava, P.E. oat 611 et'r , ,. x.( Oct 18 04 05:29p C2 Design 503 - 233 -1310 p.3 10/17/2004 22:10 5032380533 NAVA ENGINEERING PAGE 01 Nava Contractinf & En ineeriim Inc. nj CES NW Memorandum TO: Mark Burrows Burrows Consulting Service FROM: Jaklin Hunt, PE SUBJECT: Clarke Office Building site plan review DATE: October 14, 2004 In response to some of your review comments of October 2, 2004: Item 19: Stairways shall have handrails... A note has been added to sheet 4 of the construction plans that handrails are required on both sides of the stairways. Item 20: Open sides of stairways... Notes have been added to sheet 4 of the construction plans indicating where guardrails are necessary, and that they shall be 42" in height. Item 21: An accessible route shall be provided... An accessible route has been provided at the entrance to the site, marked with painted stripes and curb ramps. Item 22: Provide accessible parking and sign details... Parking and sign details are shown on sheet 2 of the construction plans. Please let us know if you have any further questions. Thank you CESINW, Inc. • Burrows Consulting Services, Inc. October 2, 2004 Tom Clarke Diversified Construction Co. 12448 SW Orchard Hill Rd. Lake Oswego, OR 973035 Dear Tom, This is a plan review covering the construction of the Gilroy Office building located at 7307 SW Beveland Road in Tigard, Oregon. This review is for compliance with the provisions of the Oregon State Structural Specialty Code ('97 UBC) 1998 Edition. INTRODUCTORY INFORMATION: BUILDING YARDS: North: 60 feet + South: 06 feet East: 06 feet West: 60 feet + BUILDING AREA: Upper 4377 sq. ft. Lower 2910 sq. ft. Total 7387 sq. ft. OCCUPANT LOAD: Upper 59 Lower 26 Total 85 OCCUPANCY CLASS: B CONSTRUCTION TYPE: VN FIRE PROTECTION SYSTEM: none proposed STORIES: 2 HEIGHT: 28 feet 2777 Toni St. NE • Albany, Oregon 97321 • Ph (541) 926 -2131 • FAX (541) 926 -3236 Please submit the following items for completion of the plan review process at your earliest convenience: 1. Two copies of plans for plumbing, mechanical, electrical and steel framed canopies need to be submitted for separate plan reviews and permits as indicated on sheet A0.0 as deferred submittals. 2. The land adjacent to the south property line is not buildable. Therefore, and as approved by the City of Tigard, the south wall of the building is not required to be fire -rated with protected openings. 3. What is the intended future use of the uninhabitable space? If this space is used as office space, conference rooms or other use(s) separate plans for review and permit would be required. Also, if walls are added at the leasable spaces, separate plans for review and permits are required. 4. Approved address numbers shall be painted or affixed to the front of the building in a contrasting and highly visible color. The numbers shall not be less than six (6) inches in height and shall be affixed prior to final inspection. (502) and Uniform Fire Code 5. Designate all wall types on the plans. See sheet A2.1. Specifically, what are the wall types used at the upper level on gridline #8 at A to C, between D and E, and at J? 6. All walls that support trusses to be one -hour fire - rated. (709.4.1 exception 5) In addition, double blocks in trusses at all supporting walls are required. 7. The entire building shall be provided with not less than a Class B roofing assembly. (709.4.1 exception 5.4) Sheet A5.1 indicates a Class X roofing assembly. 8. An attic access opening shall be provided to attics of buildings with a combustible ceiling or roof construction where the maximum attic height is 30 inches or more. The opening shall be located in a corridor, hallway or other readily accessible location. Provide an attic access opening not less than 22 inches by 30 inches. 30 inch minimum clear head room shall be provided above the access opening. (1505.1) In addition, the access opening needs to be a one -hour fire -rated self - closing assembly since the entire ceiling is a one -hour rated assembly. 9. The entire east wall is required to be one -hour fire - rated. See the gable end above the wall on 1/A3.1 and gridline 8, A to G on 1/A5.1. 10. The projections (east wall) beyond the exterior wall shall comply with Section 705...) (503.2.1) Combustible projections located where openings are not permitted or where protection of openings is required shall be of one -hour fire- resistive or heavy- timber construction conforming to Section 605.6. (705, fourth paragraph) Provide detail at eave overhangs for one - hour fire - resistive. What about the non - structural wood outriggers? 11. Openings in an exterior wall are required to be protected less than 10 feet from a property line. (Table 5 -A) A continuous eave vent is indicated for the east wall. The eave vent should be deleted at the west wall and attics vent of the appropriate square inches installed 10 feet or more from the property line on the roof. 12. Portable fire extinguishers shall be provided and installed as required by applicable standards and as directed by the authority having jurisdiction. (Uniform Fire Code) 13. Fireblocking shall be installed in the following locations: 1. At all interconnections between concealed vertical and horizontal, spaces such as occur at soffits, drop ceilings and cove ceilings. - - 2. In openings around vents, pipes, ducts, chimneys, fireplaces and similar openings that afford a passage for fire at ceiling and floor levels, with noncombustible materials. (708.2.1) 14. Fire dampers complying with the requirements of approved recog- nized standards shall be installed and be accessible for inspection and servicing in the following ducted and unducted air openings at: 1. Penetrations of ceiling of fire - resistive roof - ceiling assemblies shall be protected in accordance with Section 710.3. (713.11) This item applies to bath fans or other items not indicated on the plans. As an option, an approved one -hour fire -rated shaft could be installed with the environmental duct extending inside the shaft from the finished ceiling to the exterior of the building. 15. Openings in attic draft stops shall be protected by self - closing doors with automatic latches constructed as required for the partitions. (708.3.1.3) 16. Floor- ceiling assemblies are to be provided with draft stops at intervals not to exceed 1,000 sq. ft. or 60 lineal ft. (708.3.1.1.3) The plans do not indicate a finish material for the first floor ceiling. If a suspended ceiling system is installed, this code item would apply. 17. Every stairway having two or more risers shall have risers not less than 4 inches nor greater than 7 inches in height. The run shall be not less than 11 inches as measured horizontally between the vertical planes of the furthermost projection of adjacent treads. The largest tread run or riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch. (1003.3.3.3) 18. Stairways shall have handrails on each side. (See exterior stairs) The hand grip portion of handrails shall be not less than 1 1/4 inches nor more than 2 inches in cross - sectional dimension or the shape shall provide an equivalent gripping surface. Handrails shall be between 34 and 38 inches above the nosing of treads. They shall be continuous the full length of the stairs. Ends shall extend not less than 12 inches beyond the top and bottom risers and ends shall be returned or terminate in newel posts or safety terminals. (1003.3.3.6) 19. Open sides of stairways, aisles, landings and ramps, balconies or porches, which are more than 30 inches above grade or the floor below shall be protected by a guardrail not less than 42 inches in height. The top of guardrails for stairways, exclusive of their landings • may have a height of 34 to 38 inches. Open stair railings and guardrails shall have intermediate rails or an ornamental pattern such that an object 4 inches in diameter cannot pass through. This item is not required as indicated on detail 1/A4.1. Field conditions may change that would make this item applicable. 20. An accessible route shall be provided between buildings. (1103.1, second paragraph) Detail the curb ramps at the entrance to the site per the requirements in Section 1103.2.2. 21. Provide accessible parking and sign details on the plans. See the attached details for your use. 22. The highest operable part of environmental and other controls, dispensers, electrical and communication system receptacles on walls and other operable equipment shall be within at least one of the reach ranges specified in Section 1109.2, and not less than 36 inches above the floor. Electrical and communications system receptacles on walls shall be mounted no less than 15 inches above the floor. (1109.3.2) 23. Provide "occupied" indicators for all bathroom doors. (2902.3) 24. Stair nosings shall be flush and rounded to a radius of 1/2 inch maximum. Risers shall be sloped, or the underside of the nosing • • shall have an angle of not less than 60 degrees from the horizontal. Nosings shall project no more than 1 -1/2 inches. (1109.8.3) 25. Hot water and drain pipes exposed under lavatories or sinks shall be insulated or otherwise covered. There shall be no sharp or abrasive surfaces under lavatories. (1109.10.7.4) 26. A portion of the counter located at the second floor lobby shall be not less than 36 inches long and not more than 36 inches above the finished floor. (1109.23.2) 27. What is the slope of the sidewalk at the east side of the building? If the slope is greater than 1 in 20, handrails would be required. 28. All weather - exposed surfaces shall have a weather - resistive barrier to protect the interior wall covering. (1402.1) What type is used? 29. Contact State of Oregon Building Codes Division regarding the review and inspection of the elevator. (503- 378 -3866) 30. Special Inspections: In addition to the standard building inspections associated with this project, special inspections are required as outlined in Chapter 17 and as specified by the architect/engineer of record. Special inspections shall be provided for, but not limited to, the following: Reinforced Concrete with Design Strengths > 2500 psi Placement of Reinforcing Steel • Structural Steel Fabrication (both shop and field) • All Field Welding Epoxy Anchors • A325 High Strength Bolts The architect or engineer of record shall identify and assign other disciplines for special inspection as deemed appropriate. An approved Special Inspection Agency shall be employed by the owner or the engineer of record acting as the owner's agent. 31. Provide a mechanically operated exhaust system capable of exhausting 50 cubic feet of air per minute for each water closet or urinal installed in the toilet room. Such mechanically operated exhaust systems shall be connected directly to the outside, and the point of discharge shall be at least 3 feet from any opening which allows air entry into occupied portions or the building. (1203.2.5) 32. Anchor ties for masonry and stone veneer not exceeding 5 inches in thickness shall be spaced so as to support not more than 2 square feet of wall area but not more than 24 inches on center horizontally. Anchor ties shall be corrosion resistant, and if made of sheet metal, shall have a minimum size of No. 22 gauge by 3/4 inch or, if of wire, shall be a minimum of No. 9 gauge. Anchor ties in Seismic Zone No. 3 shall have a lip or hook on the extended leg that will engage or enclose a horizontal joint reinforcement wire of No. 9 gauge or equivalent. The joint reinforcement shall be continuous with butt splices between ties permitted. (1403.6.4.2) 33. 15# felt minimum is required under the roofing material. 34. If the largest piece of heating equipment exceeds 400,000 Btu per hour input the room would be required to be separated from the rest of the building by not less than a one -hour occupancy separation. (302.5) 35. Provide design calcs for the fireplace and how it will be attached to the structure. 36. Structural members exposed to the weather are required to be pressure- treated or equal. (2306.12) See the posts at entries. Please make these corrections on the appropriate sheets of the plans and resubmit two copies of each sheet to Burrows Consulting. Many of the items can be adequately addressed through notes on the plans. If you have any questions or concerns, please do not hesitate to call. Sincerely, Mark Burrows c: Brian Blalock, Senior Plans Examiner Tigard- Gilroy Office.doc • MI\IvU'v STANDARD SI\GLE-ISABLE PERSON • PARKING SPACE - •IOC ■n! LILY. =MUM POW O&T 1IRA 176 SIWT TO —0R20-6B SIGN tals me roc LIP TO an mos ( vss —0R20-60 SIGN •CURB RAMP w/ }} DETECTABLE -.• ° -: I ° . • 4 I - o • • 4 WARNING ACCESSIBLE . ROUTE - • • p - I ° ♦ •• •••• ° - • p • ° • • ❖. .• :+ . .•• • ❖S • 0R20 0 R2 0- 6 6B D p . ❖••• ••••�•�••••,••••••• 4 • , . I I WHEEL STOP 30° TYP. (TYP.) ) PAINTED STRIPES 4' — T 2' TYP. Qs J E cv � N • ti l v) 24' min. 9' 8 ' - • WHITE STRIPING AND PAVEMENT STENCIL REQUIRED STROKE WIDTH ON SYMBOL IS 3° MINIMUM • BLUE BACKGROUND AND BLUE. PAINTED CURB OPTIONAL ,. . Fi , THIS SHEET INCLUDED AT REQUEST _ OF STATE BUILDING CODES Rare slopes 10% for landings 4' or wider and 8.33% for DIVISFO r+nder landings between 3' and 4' m wide A� Landing (y New Constr. 4' min. Alterations 3' min. 3' Norm. -�'� _ e s - 0.02 A f...../ PERPENDICULAR SIDEWALK RAMP DETAIL • (Use 'Parallel or Combined Ramp Deter when regd. landing cannot be obtained) Gutter 9' 1P % _ Gutter (Typ � _ 6 Lip y [..-12° SECTION A -A SECTION A -A WITH MONOLITHIC CURB & SIDEWALK • • " • • • I • • d H . . ' d . ' • CURB RAMP • - ACCESSIBLE ROUTE - . • d • • I, d I • d d •d d • • d d • d • • � :• ••• ,••••• d • • • d d d d d ••••• • • ••••••••• d ••••••••••••••••• r pillipi L 0 -2% Slope i 1 over entire Parking & --, aisle area `n 17' Vertical clearance not less . than 98' over entire parking & aisle area. 1 ilmil f . 9 8 ' FILE COPY Letter of Transmittal 4„,„Aw Building Division City of Tigard DATE RECEIVED: TO: Qi PW\ 1- $ (P-10c_tC_ DEPT: BUILDING DIVISION 9— FROM: c.A4A CA/Wee_ COMPANY: Dk_s■ C (A-70 - PHONE NO.: So5 79 - rx.. - a 1 By: RE: rzoo({ (Case number, site address, etc.) Ug--0 aYThr't C45 (Project name or subdiviion name and lot number) ATTACHED ARE THE FOLLOWING ITEMS: Copies - 'I6c-TiffibiYaaA' Cqpies ciiptop , Additional set(s) of plans. Revisions: Cross section(s) and details. Wall bracing and/or lateral analysis. Floor/roof framing. Basement and retaining walls. Beam calculations. Engineer's calculations. Other (explain): Cogairtu( • REMARKS: Routed to PeriniiileChM"d4n: Date Imtials Tees Due : .": •". ;: Iniitials Reprint Perinit.(periplans:Dthminer):-1. -Yes: • : :•• No . Notified Applicant: - Dale: . ' - i:Building\Forms\LetterTransmittal doc 1/6/04 FILE COPY . • DIVERSIFIED CONSTRUCTION COMPANY 12439 SW 22 Ave. • LAKE OSWEGO, OREGON 97035 transmittal - RECEIVED SEP 2 3 2004 CITY OF TIGARDTO. Brian Blalock Fax: BUILDING DIVISION From: Tom Clarke Date: 9/23/04 Re: Beveland offices Pages: ❑ Urgent ❑ For Review ❑ Please Comment ❑ Please Reply ❑ Please Recycle Brian, attached are the revised architectural, structural, TJI floor framing system, Roof truss layout & engineering. Please review and call with comments. THANK YOU, TOM CLARKE OFFICE # 503 -293 -1226 FAX # 503 -293 -1536 MOBILE # 503- 793 -2621 E-MAIL diversfiedconsbuction (a olmail.com web address www.diversifiedconstcom • Burrows Consulting Services Inc. October 2, 2004 Tom Clarke Diversified Construction Co. 12448 SW Orchard Hill Rd. Lake Oswego, OR 973035 Dear Tom, This is a plan review covering the construction of the Gilroy Office building located at 7307 SW Beveland Road in Tigard, Oregon. This review is for compliance with the provisions of the Oregon State Structural Specialty Code ('97 UBC) 1998 Edition. INTRODUCTORY INFORMATION: BUILDING YARDS: North: 60 feet + South: 06 feet East: 06 feet West: 60 feet + BUILDING AREA: Upper 4377 sq. ft. Lower 2910 sq. ft. Total 7387 sq. ft. OCCUPANT LOAD: Upper 59 Lower 26 Total 85 OCCUPANCY CLASS: B CONSTRUCTION TYPE: VN FIRE PROTECTION SYSTEM: none proposed STORIES: 2 HEIGHT: 28 feet 2777 Toni St. NE • Albany, Oregon 97321 • Ph (541) 926 -2131 • FAX (541) 926 -3236 Please submit the following items for completion of the plan review process at your earliest convenience: 1. Two copies of plans for plumbing, mechanical, electrical and steel framed canopies need to be submitted for separate plan reviews and permits as indicated on sheet A0.0 as deferred submittals. 2. The land adjacent to the south property line is not buildable. Therefore, and as approved by the City of Tigard, the south wall of the building is not required to be fire -rated with protected openings. 3. What is the intended future use of the uninhabitable space? If this space is used as office space, conference rooms or other use(s) separate plans for review and permit would be required. Also, if walls are added at the leasable spaces, separate plans for review and permits are required. 4. Approved address numbers shall be painted or affixed to the front of the building in a contrasting and highly visible color. The numbers shall not be less than six (6) inches in height and shall be affixed prior to final inspection. (502) and Uniform Fire Code 5. Designate all wall types on the plans. See sheet A2.1. Specifically, what are the wall types used at the upper level on gridline #8 at A to C, between D and E, and at J? 6. All walls that support trusses to be one -hour fire- rated. (709.4.1 exception 5) In addition, double blocks in trusses at all supporting walls are required. 7. The entire building shall be provided with not less than a Class B roofing assembly. (709.4.1 exception 5.4) Sheet A5.1 indicates a Class X roofing assembly. 8. An attic access opening shall be provided to attics of buildings with a combustible ceiling or roof construction where the maximum attic height is 30 inches or more. The opening shall be located in a corridor, hallway or other readily accessible location. Provide an attic access opening not less than 22 inches by 30 inches. 30 inch minimum clear head room shall be provided above the access opening. (1505.1) In addition, the access opening needs to be a one -hour fire -rated self - closing assembly since the entire ceiling is a one -hour rated assembly. 9. The entire east wall is required to be one -hour fire - rated. See the gable end above the wall on 1/A3.1 and gridline 8, A to G on 1/A5.1. • 10. The projections (east wall) beyond the exterior wall shall comply with Section 705...) (503.2.1) Combustible projections located where openings are not permitted or where protection of openings is required shall be of one -hour fire - resistive or heavy- timber construction conforming to Section 605.6. (705, fourth paragraph) Provide detail at eave overhangs for one - hour fire - resistive. What about the non - structural wood outriggers? 11. Openings in an exterior wall are . required to be protected less than 10 feet from a property line. (Table 5 -A) A continuous eave vent is indicated for the east wall. The eave vent should be deleted at the west wall and attics vent of the appropriate square inches installed 10 feet or more from the property line on the roof. 12. Portable fire extinguishers shall be provided and installed as required by applicable standards and as directed by the authority having jurisdiction. (Uniform Fire Code) 13. Fireblocking shall be installed in the following locations: 1. At all interconnections between concealed vertical and horizontal spaces such as occur at soffits, drop ceilings and cove ceilings. 2. In openings around vents, pipes, ducts, chimneys, fireplaces and similar openings that afford a passage for fire at ceiling and floor levels, with noncombustible materials. (708.2.1) 14. Fire dampers complying with the requirements of approved recog- nized standards shall be installed and be accessible for inspection . and servicing in the following ducted and unducted air openings at: 1. Penetrations of ceiling of fire - resistive roof - ceiling assemblies shall be protected in accordance with Section 710.3. (713.11) This item applies to bath fans or other items not indicated on the plans. As an option, an approved one -hour fire -rated shaft could be installed with the environmental duct extending inside the shaft from the finished ceiling to the exterior of the building. 15. Openings in attic draft stops shall be protected by self - closing doors with automatic latches constructed as required for the partitions. (708.3.1.3) 16. Floor- ceiling assemblies are to be provided with draft stops at intervals not to exceed 1,000 sq. ft. or 60 lineal ft. (708.3.1.1.3) The plans do not indicate a finish material for the first floor ceiling. If a suspended ceiling system is installed, this code item would apply. I ' 17. Every stairway having two or more risers shall have risers not less than 4 inches nor greater than 7 inches in height. The run shall be not less than 11 inches as measured horizontally between the vertical planes of the furthermost projection of adjacent treads. The largest tread run or riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch. (1003.3.3.3) 18. Stairways shall have handrails on each side. (See exterior stairs) The hand grip portion of handrails shall be not less than 1 1/4 inches nor more than 2 inches in cross - sectional dimension or the shape shall provide an equivalent gripping surface. Handrails shall be between 34 and 38 inches above the nosing of treads. They shall be continuous the full length of the stairs. Ends shall extend not less than 12 inches beyond the top and bottom risers and ends shall be returned or terminate in newel posts or safety terminals. (1003.3.3.6) 19. Open sides of stairways, aisles, landings and ramps, balconies or porches, which are more than 30 inches above grade or the floor below shall be protected by a guardrail not less than 42 inches in height. The top of guardrails for stairways, exclusive of their landings may have a height of 34 to 38 inches. Open stair railings and guardrails shall have intermediate rails or an ornamental pattern such that an object 4 inches in diameter cannot pass through. This item is not required as indicated on detail 1/A4.1. Field conditions may change that would make this item applicable. 20. An accessible route shall be provided between buildings. (1103.1, second paragraph) Detail the curb ramps at the entrance to the site per the requirements in Section 1103.2.2. 21. Provide accessible parking and sign details on the plans. See the attached details for your use. 22. The highest operable part of environmental and other controls, dispensers, electrical and communication system receptacles on walls and other operable equipment shall be within at least one of the reach ranges specified in Section 1109.2, and not less than 36 inches above the floor. Electrical and communications system receptacles on walls shall be mounted no less than 15 inches above the floor. (1109.3.2) 23. Provide "occupied" indicators for all bathroom doors. (2902.3) 24. Stair nosings shall be flush and rounded to a radius of 1/2 inch maximum. Risers shall be sloped, or the underside of the nosing • shall have an angle of not less than 60 degrees from the horizontal. Nosings shall project no more than 1 -1/2 inches. (1109.8.3) 25. Hot water and drain pipes exposed under lavatories or sinks shall be insulated or otherwise covered. There shall be no sharp or abrasive surfaces under lavatories. (1109.10.7.4) 26. A portion of the counter located at the second floor lobby shall be not less than 36 inches long and not more than 36 inches above the finished floor. (1109.23.2) 27. What is the slope of the sidewalk at the east side of the building? If the slope is greater than 1 in 20, handrails would be required. 28. All weather - exposed surfaces shall have a weather - resistive barrier to protect the interior wall covering. (1402.1) What type is used? 29. Contact State of Oregon Building Codes Division regarding the review and inspection of the elevator. (503- 378 -3866) 30. Special Inspections: In addition to the standard building inspections associated with this project, special inspections are required as outlined in Chapter 17 and as specified by the architect/engineer of record. Special inspections shall be provided for, but not limited to, the following: Reinforced Concrete with Design Strengths > 2500 psi Placement of Reinforcing Steel. • Structural Steel Fabrication (both shop and field) • All Field Welding Epoxy Anchors • A325 High Strength Bolts The architect or engineer of record shall identify and assign other disciplines for special inspection as deemed appropriate. An approved Special Inspection Agency shall be employed by the owner or the engineer of record acting as the owner's agent. 31. Provide a mechanically operated exhaust system capable of exhausting 50 cubic feet of air per minute for each water closet or urinal installed in the toilet room. Such mechanically operated exhaust systems shall be connected directly to the outside, and the point of discharge shall be at least 3 feet from any opening which allows air entry into occupied portions or the building. (1203.2.5) 32. Anchor ties for masonry and stone veneer not exceeding 5 inches in thickness shall be spaced so as to support not more than 2 square • • feet of wall area but not more than 24 inches on center horizontally. Anchor ties shall be corrosion resistant, and if made of sheet metal, shall have a minimum size of No. 22 gauge by 3/4 inch or, if of wire, shall be a minimum of No. 9 gauge. Anchor ties in Seismic Zone No. 3 shall have a lip or hook on the extended leg that will engage or enclose a horizontal joint reinforcement wire of No. 9 gauge or equivalent. The joint reinforcement shall be continuous with butt splices between ties permitted. (1403.6.4.2) 33. 15# felt minimum is required under the roofing material. 34. If the largest piece of heating equipment exceeds 400,000 Btu per hour input the room would be required to be separated from the rest of the building by not less than a one -hour occupancy separation. (302.5) 35. Provide design calcs for the fireplace and how it will be attached to the structure. 36. Structural members exposed to the weather are required to be pressure- treated or equal. (2306.12) See the posts at entries. Please make these corrections on the appropriate sheets of the plans and resubmit two copies of each sheet to Burrows Consulting. Many of the items can be adequately addressed through notes on the plans. If you have any questions or concerns, please do not hesitate to call. Sincerely, - 44 ikriAt Mark Burrows c: Brian Blalock, Senior Plans Examiner Tigard- Gilroy Office.doc INIvU STA\ARD S\GLE PERSON e, - PARKI \G SPACE PUN= till D.*V. PEI NET O &T TRATtO P T ORS —0R20-6B SIGN 111.629 MO MI • L?m.co LOW . CPS 114.55 I V SS ) -- OR20 -6o SIGN CURB RAMP w/ DETECTABLE • • ° . • • ° 1 ' ° : • d I . • I ° • ° WARNING • • . ACCESSIBLE .ROUTE • • • • • ° - I ° 0R20 -6B d ° . • d . • • • • ❖. . . . ❖.•. . ❖. ❖ d • 0 R20- 6 D j R. 4 . ❖. ❖.•.. ❖. ❖.•.� I iiiiiii*ii�i � I I WHEEL STOP ,> 30° TYP.. (TYP.) ) PAINTED STRIPES T 2 ' TYP. • co • • • . • • . . - i • 2 4 min. 9' 8' • • • WHITE: STRIPING AND. PAVEMENT STENCIL REQUIRED STROKE WIDTH. ON SYMBOL IS 3" MINIMUM. . • BLUE BACKGROUND AND BLUE PAINTED CURB OPTIONAL - 1 THIS SHEET INCLUDED AT REQUEST - OF STATE BUILDING CODES 4' or i DIVISION Flare slopes 10% for landings wider and 8.33% for landings between 3' and 4' m wide -•. q Landing (U New Constr. 4' min. Alterations 3' min. • .err •r�•rJ ••'�'-,• 4' Norm. -, •: 1; 3' Min. _ e s Ate./ PERPENDICULAR SIDEWALK RAMP DETAIL (Use 'Parapet or Combined Ramp Detail' when read. landing cannot be obtained) Gutter V U 5`X _ Gutter ��) , • —�—"` 6 Vp -- o ff . 1•-12' gm SECTION A -A SECTION A -A WITH MONOLITHIC CURB & U p• - d • - d • . 1 •• : . . I • Q - . . p - p . . d CU RB SIDEWA RAMP • • • ACCESSIBLE ROUTE - p .d - i• p - 1 1 • d d - • d _ d 4 A . • 4 4 . 4 • . d . • 1 4 : : : :4 1 : : : M . . • . • iii. .'!.' .i." ••• C L 0 2% Slope 1 over entire parking & aisle area --, u-) 17' Vertical clearance not less than 98' over entire parking & aisle area. . • I 9' 8 Ste Adlress Letter of Transmittal 14 '841101V , Building Division City of Tigard DATE RECEIVED: TO: DEPT: BUILDING DIVISION REL EWE B MAY 1 4 2004 FROM: . 0%-comIN-L-b CITY OF TIGARD COMPANY: iC6 Czv.M7P-J-eiz• BUILDING DIVISION PHONE NO(:5 9 - /91-C=, 11q391., RE: 0 735- / (Case number, site address, etc.) (8/ (Project nam or subdivision name and lot number) ATTACHED ARE THE FOLLOWING ITEMS: Copies ' Additional set(s) of plans. Revisions: Cross section(s) and details. Wall bracing and/or lateral analysis. Floor/roof framing. Basement and retaining walls. Beam calculations. Engineer's calculations. Other (explain): REMARKS: I: Routed to P rmitTeclirncian :: Date ImtialsT Fees Due $ 4 De Initials . .Reprint Permit (per Yes No , . . , NOtified Applioant: ' HDate: , — - i:BuildingTorms \LetterTransmittal doc 1/6/04 Fire Marshal's Division Offices c l_V I North -14480 SW Jenkins Rd., Beaverton, OR 97005, (503) 356 -4700 Tualatin Valley South - 7401 SW Wash Ct., Tualatin, OR 97062, (503) 612 -7010 Fire & Rescue Fire Flow and Hydrant Worksheet This worksheet is required to be submitted to and approved by the Authority Having Jurisdiction (AHJ) before any permits for new building construction, building expansion or fire hydrants will be issued by any building department within the TVF &R District. See the instructions for assistance completing this form or call one of the above numbers. • Preparer Information Preparer Name: 'Tom Clarke I Phone:1503- 793 -2621 I Fax:1503- 293 -1536 I Architect / Engineer of Record: I Stueve & Royce I Phone:1503- 287 -6404 I Fax:I503- 213 -5909 I General Building Information • Project Name: I Gilroy Office Building Project Address: 17307 SW Beveland I City:ITigard I County:IWashington I Zip:I Construction Type(s): ITyae.V=Norwated$ Total Bldg Area: I 8,878Isgft • Total Fire Area: I 8,878Isgft Bldg Fire Flow: I 2544IGallons Per Minute Describe Fire Area: (if more than one fire area, include an 8 1/2 x 11 or 11 x 17 drawing indicating the various fire areas) Type of Occupancy or Use of Building: 'light hazard • A. Single Occupancy Hazard (If using Item A, DO NOT use Item B) Al Building Fire Flow I 2544 GPM A2 Occupancy Factor I 1 A3 Required Fire Flow 2544IGPM Use Either Item A Above or Item B Below, But Not Both B. Multiple Occupancy Hazard (If using Item B, DO NOT use Item A) B1 Determine percent of each occupancy hazard in the fire area. Occupancy Hazard Class Fire Area I Total Fire Area Percent of Fire Area Light Hazard 0 SF / 8,878 SF x 100 = 0 % Ordinary Hazard Grp 1 0 SF / 8,878 SF x 100 = 0 % Ordinary Hazard Grp 2 0 SF / 8,878 SF x 100 = 0 % Extra Hazard Grp 1 0 SF / 8,878 SF x 100 = 0 Extra Hazard Grp 2 0 SF / 8,878 SF x 100 = _ 0 % Total Must equal 100% I 0 % B2 Calculate Fire Flow Occupancy Hazard Class Factor Fire Area Fire Flow Bldg Fire Flow Light Hazard 1.0 x 0 % x 2544 GPM = 0 GPM Ordinary Hazard Grp 1 1.2 x 0 % x 2544 GPM = 0 GPM Ordinary Hazard Grp 2 1.3 x 0 % x 2544 GPM = 0 GPM Extra Hazard Grp 1 1.4 x 0 % x 2544 GPM = 0 GPM Extra Hazard Grp 2 1.5 x 0 % x 2544 GPM = _ 0 GPM B3 Required Fire Flow I 0 GPM I C. Calculate the Minimum Number of Fire Hydrants Required Required Fire Flow 2544 GPM / 1500 = I 2 No. of Hydrants Required (Min. of 2) D. Reduction of Fire Flow - Reductions are based on the following: D1 - Reduced by 25% for A Full Fire Alarm (multiply by .75) D2 - Reduced by 50% for Automatic Sprinklers (multiply by .50) D3 - Reduced by 75% for Central Station Supervised Automatic Sprinklers (multiply by .25) E. Required Fire Flow in Non - sprinklered or Sprinklered Buildings El. Fire Flow 2544 GPM x 1 I = I 2544 GPM (Max. 3000 - Min_ 1500 gpm)