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43-139 BP-2023-0524 48 LONGFELLOW DR COMMONWEALTH OF MASSACHUSETTS Map:Block:Lot: 43-139-001 CITY OF NORTHAMPTON Permit: Alts Renovations Repair PERSONS CONTRACTING WITH UNREGISTERED CONTRACTORS DO NOT HAVE ACCESS TO THE GUARANTY FUND (MGL c.142A) BUILDING PERMIT Permit# BP-2023-0524 PERMISSION IS HEREBY GRANTED TO: Project# chimney re-line 2023 Contractor: License: Est.Cost: 10203 CORY MCGILL 107658 Const.Class: Exp.Date: 05/25/2023 Use Group: Owner: PARSONS TIMOTHY V. &MADELINE MOSER Lot Size (sq.ft.) Zoning: WSP Applicant: CORY MCGILL DBA DONE RIGHT CHIMNEY Applicant Address Phone: Insurance: PO BOX 1054 (413)340-1399 WCV 01525601 WILLIAMSBURG, MA 01096 ISSUED ON: 04/26/2023 TO PERFORM THE FOLLOWING WORK: CHIMNEY RE-LINE AND WOOD INSERT POST THIS CARD SO IT IS VISIBLE FROM THE STREET Inspector of Plumbing Inspector of Wiring D.P.W. Building Inspector Underground: Service: Meter: Footings: Rough: Rough: House # Foundation: Final: Final: Final: Rough Frame: Gas: Fire Department Driveway Final: Fireplace/Chimney: Rough: Oil: Insulation: Smoke: Final: THIS PERMIT MAY BE REVOKED BY THE CITY OF NORTHAMPTON UPON VIOLATION OF ANY OF ITS RULES AND REGULATIONS. Signature: ' 4 • • )2 I(f Fees Paid: $65.00 212 Main Street,Phone(413)587-1240,Fax: (413)587-1272 Office of the Building Commissioner -r - E'p f The Commonwealth of Massachusetts/ APR 2 1 Board of Building Regulations and Standiirds 5 2Q23 Massachusetts State Building Code,780(tMR M[JNIC Building Permit Application To Construct,Repair,RenovatOt! l .a. Rgvised Mar 2011 One-or Two-Family Dwelling HQ'1" 'or MS o,n Ng This Section For Official Use Only Buildingg,Permit Number: ei ,3, S y'f Date Applied: (JCv 5 y'26- ZOa3 Building Official(Print Name) Signature Date SECTION 1:SITE INFORMATION 1.1 Property Address: 1.2 Assessors Map&Parcel Numbers 48 Longfellow Drive,Northampton,MA 01062 1.la Is this an accepted street?yes no Map Number Parcel Number 13 Zoning Information: 1A Property Dimensions: Zoning District Proposed Use Lot Area(sq ft) Frontage(ft) 13 Building Setbacks(ft) Front Yard Side Yards Rear Yard Required Provided Required Provided Required Provided 1.6 Water Supply:(M.G.L c.40,§54) 1.7 Flood Zone Information: 1.8 Sewage Disposal System: Public❑ private CI _Zone: Outside Flood Zone? Check if yes❑ Municipal 0 On site disposal system 0 SECTION 2: PROPERTY OWNERSHIP' 2.1 Owner'of Record: Tim Parsons Northampton, MA 01062 Name(Print) City,State,ZIP 48 Longfellow Drive (413)250-1362 TVParsons@comcast.net No.and Street Telephone Email Address SECTION 3:DESCRIPTION OF PROPOSED WORD(check all that apply) New Construction 0 Existing Building❑ Owner-Occupied 0 Repairs(s)�,❑// Alteration(s) ❑ Addition 0 m Demolition 0 Accessory Bldg.0 Number of Units Other Specify:Chimney ie dne&Wood insert Mata1 Brief Description of Proposed Work2:Level 2 Inspection completed 02/09/2023.To prepare existing masonry chimney and install (1)6'316 stainless steel liner kit.To install(1)Regency i2700 wood insert.To connect wood insert to new liner kit. SECTION 4:ESTIMATED CONSTRUCTION COSTS Item Estimated Costs: Official Use Only (Labor and Materials) 1.Building $ 10,203.75 1. Building Permit Fee:$ Indicate how fee is determined: 2.Electrical $ ❑Standard City/Town Application Fee ❑Total Project Costa(Item 6)x multiplier x 3.Plumbing $ 2. Other Fees: $ 4.Mechanical (HVAC) $ List: 5.Mechanical (Fire Suppression) Total All Fees1,$ }� f Check No. Check Amount:V I (1 Cash Amount: 6.Total Project Cost: $ 10,203.75 13 Paid in Full ❑Outstanding Balance Due: SECTION 5: CONSTRUCTION SERVICES 5.1 Construction Supervisor License(CSL) CS-107568 05/25/2023 Cory McGill License Number Expiration Date Name of CSL Holder List CS),`.Type(see below) U P.O. Box 1054 No.and Street Type Description Williamsburg, MA 01096 U Unrestricted(Buildings up to 35,000 cu.ft.) R Restricted 1&2 Family Dwelling City/Town,State,ZIP M Masonry RC Roofing Covering WS Window and Siding SF Solid Fuel Burning Appliances (413)340-1399 ContactDoneRight@gmail.com I _ Insulation Telephone Email address D Demolition 5.2 Registered Home Improvement Contractor(HIC) #178722 08/27/2024 Cory McGill HIC Registration Number Expiration Date HIC Company Name or HIC Registrant Name P.O. Box 1054 ContactDoneRight@gmail.com No.and Street Williamsburg, MA 01096 (413)340-1399 Email address City/Town,State,ZIP Telephone SECTION 6:WORKERS'COMPENSATION INSURANCE AFFIDAVIT(M.G.L.c.152.* 25C(6)) Workers Compensation Insurance affidavit must be completed and submitted with this application. Failure to provide this affidavit will result in the denial of the Issuance of the building permit. Signed Affidavit Attached? Yes ® No 0 SECTION 7a:OWNER AUTHORIZATION TO BE COMPLETED WHEN OWNER'S AGENT OR CONTRACTOR APPLIES FOR BUILDING PERMIT I,as Owner of the subject property,hereby authorize Cory McGill to act on my behalf,in all matters relative to work authorized by this building permit application. Tim Parsons � 'r, y/20!2-3 Print Owner's Name(Electronic Si_... ) Date SECTION • 0 ER'OR AUTHORIZED AGENT DECLARATION By entering my name below,I hereby attest under the pains and penalties of perjury that all of the information contained in this'application is true and accurate to the best of my knowledge and understanding. Cory McGill r . u.i I1d11 j Print Owner's or A I • a Agent's Name(Electronic Signature) Date NOTES: 1. An Owner who obtains a building permit to do his/her own work,or an owner who hires an unregistered contractor (not registered in the Home Improvement Contractor(HIC)Program),will not have access to the arbitration program or guaranty fund under M.G.L.c. 142A.Other important information on the HIC Program can be found at www.mass.gov/oca Information on the Construction Supervisor License can be found at www.mass.gov/dps 2. When substantial work is planned,provide the information below: Total floor area(sq.ft) (including garage,finished basement/attics,decks or porch) Gross living area(sq.ft.) Habitable room count Number of fireplaces Number of bedrooms Number of bathrooms Number of half/baths Type of heating system Number f decks/porches Type of cooling system Enclosed Open 3. "Total Project Square Footage"may be substituted for"Total Project Cost" The Commonwealth of Massachusetts I —*= Department of Industrial Accidents _ �- t Office of Investigations 1 Congress Street, Suite 100 M � Boston, MA 02114-2017 .+.—i. www.mass.gov/dia Workers' Compensation Insurance Affidavit: General Businesses Applicant Information Please Print Legibly Business/Organization Name: Done Right Chimney Address:P.O. Box 1054,45 Main Street, Unit B City/State/Zip:Williamsburg, MA 01096 Phone#: (413)340-1399 Are you an employer?Check the appropriate box: Business Type(required): I.❑■ I am a employer with 3 employees (full and/ 5. Q Retail or part-time).* 6. ❑ Restaurant/Bar/Eating Establishment 2.❑ I am a sole proprietor or partnership and have no 7. ❑ Office and/or Sales(incl. real estate, auto,etc.) employees working for me in any capacity. [No workers' comp. insurance required] 8. ❑Hon-profit 3.❑ We are a corporation and its officers have exercised 9. ❑ Entertainment their right of exemption per c. 152, §1(4),and we have 10.0 Manufacturing no employees. [No workers' comp. insurance required]** II. Health Care 4.❑ We are a non-profit organization, staffed by volunteers, with no employees. [No workers' comp. insurance req.] 12.. Other Services: Chimney&Hearth *Any applicant that checks box#I must also fill out the section below showing their workers'compensation policy information. **If the corporate officers have exempted themselves,but the corporation has other employees,a workers'compensation policy is required and such an organization should check box 41. I am an employer that is providing workers'compensation insurance for my employees. Below is the policy information. Insurance Company Name:Atlantic Charter Insurance Company Insurer's Address:45 Main Street, Unit B City/State/Zip: Williamsburg, MA 01096 Policy#or Self-ins. Lic. # WCV 01525601 Expiration Date:06/28/2023 Attach a copy of the workers' compensation policy declaration page(showing the policy number and expiration date). Failure to secure coverage as required under Section 25A of MGL c. 152 can lead to the imposition of criminal penalties of a fine up to$1,500.00 and/or one-year imprisonment, as well as civil penalties in the form of a STOP WORK ORDER and a fine of up to$250.00 a day against the violator. Be advised that a copy of this statement may be forwarded to the Office of Investigations of the DIA for insurance coverage verification. I do hereby certify,under the pains and penalties of perjury that the information provided above is true and correct. Signature: `,Oi_&. C Date: 0(411 5 I DO Phone#: 616) 390• 1 ck Official use only. Do not write in this area,to be completed by city or town official. City or Town: Permit/License# Issuing Authority(circle one): 1.Board of Health 2.Building Department 3.City/Town Clerk 4.Licensing Board 5.Selectmen's Office 6.Other Contact Person: Phone#: www.mass.gov/dia INSTALLATION INSTRUCTIONS Phone:sss goo slob FOR BEST-Flex Model "PI" Pre-Insulated Fax:888 392 4432 _41iji. STAINLESS STEEL CHIMNEY LINERS BEST-Flex Model "P " Web::www.NewEnglandChimneySupply.com am mg 34 Commerce Street,Williston VT 05495 �' Pre-Insulated BEX ' New England Supply PRODUCTS STAINLESS STEEL CHIMNEY LINERS BEST-Flex Model"PI"Stainless Steel Chimney Liners are manufactured by New England Supply Inc.Located in Williston,VT. The BEST-Flex lining system is designed and UL listed to be installed inside masonry chimneys.BEST-Flex liners are used to vent the gases and by-products produced by appliances that burn oil,gas,or solid fuels. All appliances require certain venting specifications and the liner is not to be sized less than specified in the appliance manufacturer's instructions.For the best operation refer to the appliance manufacturer's instructions to determine any special necessities for that specific appliance. The installer must contact the local building and fire code officials for a variety of reasons: • The installation may require special inspection requirements. • Building permits may be required before installation. • Compliance with local building codes.(Authorities with local jurisdiction such as Inspectors,Municiple Building Departments,Fire Departments,and Fire Bureau's have precedence over national codes). For proper results and operation use only materials or components specified in these installation instructions. Using parts or materials not specified may result in undesireable effects. The lining system safety,code compliance,warranty and performance may be compromised if the installation instructions are not followed BEST-Flex Stainless Steel Chimney Liners are tested and listed by Underwriters Laboratories. • In the United States they are tested to UL 1777 and can be installed in NEW&EXISTING masonry chimneys. • In Canada they are tested to ULC S635 and are to be installed in EXISTING masonry chimneys. PRODUCT INFORMATION FOR BEST-Flex CHIMNEY LINERS • BEST-Wrap and a protective aluminum sleeve has already been assembled around the liner • BEST-Wrap is one half inch(1/2")thick,eight pound density,ceramic wool blanket with a three mil aluminum foil face. • Best-Flex Pre-insulated Liners are created from a variety of New England Supply's Liners;Including Best Flex Lightwall,Elite Series,Heavywall,& Smoothwall liners. • The BEST-Flex Pre-Insulated Stainless Steel Flexible Chimney liner is designed to reline existing chimneys or to be used as a liner in new construction. Manufactured with the highest quality,mill certified alloy.BEST-Flex Stainless Steel Flexible Chimney Liner has a high acid fighting capability. Listed by UL Laboratories to UL 1777&ULC S635 standards for zero clearance installation.BEST-Flex can be used to vent wood,wood pellet,coal,non-condensing gas and oil,making it the choice for venting all standard efficiency installations.UL listed BEST-Flex is available in 3"to 12"diameters(13"above is not listed)to cover a wide range of requirements found in the field today. • The unique manufacturing systems used to make BEST-Flex utilizes a continuous strip of stainless steel,interlocked to produce a gas and water tight lining system of superior strength and durability.BEST-Flex can be curved to go around offsets in chimneys and can fit most any installation requirement.Unless specified by the manufacturer,the liner is not to be field ovalized. The corrugated construction allows for expansion& contraction during the heat-up&cool-down periods,which removes any stresses on the system. • BEST-Flex Pre-Insulated Liner is already insulated with a foil-faced ceramic wool blanket&protective shell that meets UL 1777&ULC S635 standards for chimney exteriors with zero clearance to combustibles. • BEST-Flex Stainless Steel Chimney Liner comes with a Lifetime Warranty for all fuels,with appliance efficiencies at 83 percent or lower. • BEST-flex Pre-Insulated Stainless Steel Liners DO NOT need any additional insulation to meet the zero clearance inside&outside the masonry mass. MATERIALS REQUIRED FOR BEST-Flex PRE-INSULATED STAINLESS STEEL LINER INSTALLATION: Pre-Insulated Liner-"PI" ' -,,,: „- SA-Stove Adapter , ' ` TT/TB-Two piece or one piece tee TEC-Tee Cap EA/EF-15°-90°elbow '.- NI 4 411, 111,1 gp a C/CC-Coupler Screws/Rivets OPTION q a OPTION B TP-Top Plate °" ' TPCC-Liner Cappho „A TC Top Clamp • TPC-Top Plate SC-Storm Collar OR l iv- CL-Liner Cap(square/round) . .•_ Phone:888-900-8106 � Fax:888-392-4432 � Web:www.NewEnglandChimneySupply.com New England Supply 34 Commerce Street,Williston VT 05495 1.)CHIMNEY PREPARATION&INITIAL INSPECTION Before any liner can be installed the existing chimney must meet proper construction and code requirements: • The chimney must be between 10-ft high(min)and 100-ft(max)in height. • The chimney must have a wall thickness of 4-inch min(nominal)solid masonry unit. • The chimney must project at least 3-ft over the point of roof penetration,and at least 2-ft higher than any point of any structure within a 10-ft radius. • If the mass of the chimney is constructed within the structure a 2-in minimum,unobstructed air space,must surround the chimney mass to any combustible material.If the chimney is constructed on the outside of the structure,1-in of unobstructed air space must be maintained between the chimney mass and all other combustible materials. • When the chimney breaks the plane of a floor,ceiling,or other horizontal or vertical structure,fire stops of a non-combustible material must be used. • The installer must verify the above with all local&national codes as required. • If the correct clearances cannot be verified due to regional factors the liner must be installed with a UL listed insulation material. • Any appliance that burns a liquid fuel cannot be attached to a chimney liner made to vent a solid fuel burning appliance. • The connection pipe between the appliance and the chimney liner must have proper clearances to combustibles. This can be determined by the appliance manufacturer's installation instructions,the national building code,the local building code,or whichever factor takes precedence. • The chimney must be cleaned comprehensively to remove all deposits of soot,creosote,or glazed creosote before any liner is installed.A full inspection must be done to determine if the chimney is structurally sound.If the existing system is found not to be in compliance with applicable building code and/or manufacturers installation instructions,the liner shall not be installed until appropriate steps have been taken in order to bring the chimney or vent into compliance with the applicable code and/or manufacturer's instructions. Note:Installing a lining system into an existing chimney or vent does not,in any way,upgrade the resulting relined system and make it suitable for any applications that require a vent or chimney of a higher temperature handling capability,an alternative fuel,or any other more sever service than the original chimney or vent in which it is installed. 2.)GENERAL INSULATING REQUIREMENTS AND THE BEST- cHt5lalx CON Necl ORS AND Venrcounecruw Flex PRE-INSULATED STAINLESS STEEL CHIMNEY LINER Not all situations require the insulation of the chimney liner.The UL 1777 Minnun°'^wtli Spas A. 3s.(�omm)ma be maMn,.�xam.a iMo m t°"�w�auaae• i contuse*al won a nesun d 12 n(305 m,°dick Natation &ULC S635 Standard for installing stainless steel chimney liners requires — 2"(51n""' i:••E1 3 „"a lromdayoertocmw090es Raab mt(Asn,C315, {se al Standard Specification foe Clay Flue!Faro and Chimney Pota.t t tatlen). insulation because the non code conforming chimney has zero clearance - mti"mamr,nemn)almkMee.rw�nt ono whoa to combustibles or some other defect.Therefore the UL 1777&ULC S635 i •___ aaaa Nola aandegord the Mare.tamddt.my as L_��� _ dbrick shall bat not beyond,ed th'nplam. Ch•ro05 = ••' CnMar Standard is in place for fire protection.In the United States the definition of t he . : Clears-al2 in.(305n0n) a code conforming chimney is one that meets or exceeds the N.F.P.A.211 L non ' a F..aq M 12n.(0mmn) ,rya,a•,,,•_. •mi standard for construction of chimneys.This standard includes;proper ac0�4"0d'• taMlutl•d a NFM 211 clearances to combustibles,intact 5/8 fireclay flue liner or equivalent, minimum four inch(nominal)solid chimney wall.If the chimney meets all ranTunnm,cleatadenom System S.sea.ineated,listed adtyadat chimney length amesena m®or.ro•tam Asa rvyporn and_ ~urn inside dtmar as the chimney comma and Mang 1 n. the requirements for a code conforming structure the only reason to reline wmGwY eo2m(s,m a.a. (25 min)re more a:aatamnlnd,as ar 9 .(229an) 9 a(2a➢sal it would be for proper sizing and appliance performance.In the case of Wog" .I O Namabe 2 +:waceowatl"etntmwdeaaanmvarpthand relining gas or oil fired appliances no insulation is required(recommended I a""" "°" - m TMm addtia chimneyta^ah shall be flushabem Chaim ban inside of the nasa.y gamey flue end Mall be Mead a the are for high efficiency).Regardless of existing chimney conformance,insulating i)_ •ra. _» .naagmmaknersomyptata5anahnt,mater,aada of flue I um chnay refractory cement Supports stud)be securely lamed to al the chimney liner will improve the performance of the appliance that is eMe.wmn unlaces on all saes I' 'u'N•a 0hman m "'d'm11p°e FNltanb .,supports and Me length sad not connected to it.The insulated liner will stay warmer and the flue will not cool fMm r22Mma,.a ,w .m.ely penetrate to chimney liner. seedasaias quickly which means less condensation.In wood burning appliances this M••M••�"•my as I Canna 9 iy.4220,1m) =aw.led toI4FPA 211 will reduce the amount of creosote that will form in the liner.In oil and gas / burning applications the likelihood of condensation will be greatly reduced (especially on startup).While fire protection is the main reason for insulating, dMfiigeb _, C.Sheet iblus y-. Salim loam art y connector.men 24 gtpe(0.024 in. insulating a liner(even if not required)will pay dividends by increasing non aFpa,. �2n(51mn1 1.loda.a• 0181 mmpinmanest,wime•entiatedhnds,mnimum 24°sage(0.024 n.(OM an)]n Maness.leap 50 1 So performance and efficiency. °m lb(zs^.n, (25ma)aMchorea separated aamarroalblese,am:umen 0a Le J o10n(152 mm)of pass Aber aaraation.Opening sail be caered, Please Note: For the installed liner system to meet UL standards,all UL // �1, and thimble suppadednth asheel steel support annun24gauge i 1, (0.024 n.(0.61 con))n dactmess listed components used must be installed with proper clearances. �_ S ppttl at Ml be securely .5aalnuane one 0590 '•`" wmundn. and sac be Wed a fit and hold chimney version Fasteners used reovt4rtat at Ch y all (152 mml IMa 0 secure damtq section anal not penetrate chimney We Meal. , mm `�t�e ribs salsa Cleamo:0a.)l52mm) 3.)SIZING THE CORRECT CHIMNEY LINER DIAMETER • Any heating appliance connected to the lining system must not anus a a ..211 ahen a,,'Knees have a flue outlet size larger than the liner area at its smallest point,unless a qualified person has sized the liner to suit the mason paw N.e•aaa«a.aaa.mma System D.So56 ained,Nea0 cam yrrgm�ei+Md appliance ctnnaeaN 2 in(61 mm) chatter 2 n.(51 mm)larger Man the chimney connector and huM1 1 i(25 con)or men of INation.areal es a passs•deeph fora sable • For sizing a liner used for gas and oil burning appliances refer • r t1°°'•1°N ,--M•.mmcmatn 2n.15r mml waft sheet 6M1 chimney.mnadt d miamm 24°orbs(0.024 n ' (0.01 mm111 neee,wM a Mania 2 n.(51 mm)Mr specs batmen the to N.F.P.A 54 for gas and N.F.P.A 31 for oil.Also refer to the e-.chnney ) r'"'26"Me'wr°'a outer well M Chimney section and combustibles. want ,•%;ne101000 m"0"' lsnimr,length of chimney Neon sail be 12 S.(305 mm).Chimney appliance manufacturer's instructions.Liners that are incorrectly - section concentric frith and spaced 1 in.(25 mm)away born connector by Cheney meta a d Meet!argon Pates an CUM ends of damn section. sized for the appliance can lead to poor draft,excessive dam, ' openngehalbscmwred.anemmneysectionsupportedonbothOdewO 4 Imo.•,,,•,,,•,.CNmrcy comecar sheet steel seaports ol linen 24 pups 10.024 n.10.01 mm))thickness. condensation,and creosote build-up inside the lining system. 1�_'' wr•peet2nt5 h s m d,maM Suppora0Mlbesecureyal aatoaletaa.on.dwes wan.Feeteners treed Please call New England Supply Inc.should you have any Newry Sheet sta.F.wdn TO secure d and sae°h•mneyey sad a,�a,;, a hold�naathl a et questions about sizing a liner. o11.1.ted N NM*211 Caerarce:2 In(51 nun) • For sizing a liner used for solid fuel burning appliances the cross section area of the liner shall not be less than the cross section Now Am*anus mao IliArm.sesa,MNmume.arse«aararcas and t neeeeearapeweed. area of the appliance outlet collar.Unless specified by the appliance the cross section area of the flue shall not be more than three(3)times the cross section area of the appliance outlet collar. Solid fuel burning fireplace liners should be a minimum of one-twelfth(1/12)the square inches compared to the square inches of the fireplace opening.This one-twelfth(1/12)number can vary based on height of the chimney along with other calculating factors.Call New England Supply Inc.if you have any questions. 0 if CLEARANCES-MASONRY AND FACTORY BUILT FIREPLACES The minimum required clearances to combustible materials when installed into a masonry or factory built fireplace are listed below. Unit Adjacent Mantle** Top Side Minimum Minimum To Top of Side Wall (to Top of Facing Facing Hearth Hearth Side Door (to Side Door) (to Top of (to Side of Door) Extension* Extension* of Door) Door D E F A B C G 12 3/16" 21 5/8" 14" 7 3/8" US 16" 8" 19-1/4" HIS00 Canada 18" Measurements A,B,C,D are from top/side of door Side and Top facing is a maximum of 1.5"thick. * Side hearth extension for Canada measured • from side of appliance. A * Hearth extension to have minimum: B C R value of 2.13 or greater. ** A non-combustible mantel may be installed at a lower height if the framing is made of metal studs covered with a non-combustible board. A s D ** Max.mantle depth is 10"(254mm). 1 L' • 4 Thermal floor protection is not required if the G unit is raised 6.5" minimum (measured from the •• - E bottom of the stove). However, standard ember floor protection is required.It will need to be a non- combustible material that covers 16"(406 mm)in / \ the US and 18"(450 mm)in Canada to the front of F the unit and 8"(200 mm)to the sides. All floor protection must be non-combustible(i.e., Clearance diagram for Installations metals, brick, stone, mineral fiber boards, etc.) Any organic materials (i.e. plastics, wood paper products, etc.) are combustible and must not be used. The floor protection specified includes Minimum Hearth Extension for the front some form of thermal designation similar to (E)and sides(F)are measured from the R-value (thermal resistance) or k-factor (thermal fuel door opening. conductivity). Floor protector listed to UL1618. HOW TO DETERMINE IF ALTERNATE FLOOR PROTECTION MATERIALS ARE ACCEPTABLE The specified floor protector should be 3/8"(18mm) Step(c): thick material with a K-factor of 0.84. Compare proposed system R of 1.231 to WOOD INSERT SPECIFICA- specified R of 0.893. Since proposed system TIONS The proposed alternative is 4"(100mm)brick with R is greater than required, the system is a C-factor of 1.25 over 1/8" (3mm)mineral board acceptable. Your fireplace opening requires the following with a K-factor of 0.29. minimum sizes: Step(a): DEFINITIONS Use formula above to convert specification to Thermal Conductance: Height: 21-3/4" (552 mm) R-value. Width: 29"(737 mm) R= 1/k x T= 1/0.84 x.75 = 0.893. C = Btu = Depth: 19"(483 mm) Step(b): (hr)(ft2)(°F) (m2))( ) Calculate R of proposed system. Thermal Conductivity: 4"brick of C = 1.25,therefore k = (Btu)(inch) = W Rbrick= 1/C= 1/1.25 = 0.80 = 1/8"mineral board of k=0.29,therefore (hr)(ft3)(°F) (m)(K) (hr)ft)(°F) Rmin.bd. = 1/0.29 x 0.125 = 0.431 Thermal Resistance: Total R = Rbrick+ Rmineral board = 0.8 +0.431 = 1.231. R = (ft2)(hr)(°F) = (m2)(K) Btu W 4 I Pro Series'" CI2700/HI500 Wood Fireplace Insert