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32C-250 (6) r 780 CMR: STATE BUILDING CODE COMMISSION 2102.9.3 Vegetation and organics: The underfloor grade shall be cleaned of all vegetation and organic material. 2102.9.4 Thermal performance: Floor sections over areas ex- posed to outside air shall meet the criteria for thermal transmit- tance specified in Table 2123-1. SECTION 2103.0 WALL CONSTRUCTION 2103.1 General: Wall and partition construction shall conform to the requirements of this section. 2103.1.1 Specifications: Conformity with the applicable grading, material, test, construction and design standards specified in the reference standards of this article shall be acceptable as providing compliance with the requirements of this section. 2103.1.2 Energy conservation requirements: Exterior walls shall meet the thermal transmittance requirements as specified in Table 2123-1. 2103.2 Wood 2103.2.1 Identification: All load-bearing lumber, plywood and particleboard shall conform to applicable standards or grading rules and shall be so identified by the grade mark, or certifi- cate of inspection issued by an approved grading or inspection bureau or agency. 2103.2.2 Grade: All headers and studs shall be at least of No. 2, Standard or Stud Grade Lumber or equivalent. Exceptions: 1. Bearing studs not supporting floors may be No. 3 or Utility Grade or equivalent provided the studs are spaced not more than sixteen (16) inches on center. 2. Nonbearing studs may be of No. 3 or Utility Grade or equivalent lumber. 2103.2.3 Construction: Exterior walls of wood frame residential buildings shall be constructed in accordance with Figures 2103-1 and 2103-2, and Tables 2103-2 and 2103-3. 2103.2.4 Engineering design: Exterior walls subject to wind pressure greater than thirty (30) pounds per square foot, as established in this code shall be designed in accordance with accepted engineering practice. 9/1/80 561 J 780 CMR: STATE BUILDING CODE COMMISSION air space on top, sides and end, unless approved durable or treated wood is used. 2102.8.7 Clearance between wood siding: Clearance between wood siding and earth on the exterior of a building shall be not less than six (6) inches. 2102.8.8 Wood used in a retaining wall: Wood used in a retain- ing wall shall be approved durable or treated wood, except as follows: 1. when the wall is not more than two (2) feet in height and is located on the property line; or 2. when the wall is not more than four (4) feet in height and is separated from the property line by a minimum dis- tance equal to the height of the wall. 2102.8.9 Where approved durable or treated woods are required: Where approved durable or treated woods are required in this code, the building official shall require identification by an approved mark or certificate of inspection. All lumber and plywood required to be preservatively treated shall bear an approved quality mark of an inspection agency that maintains continuing control, testing and inspection over the quality of the product. 2102.8.10 Pressure treatment: Where pressure treatment of wood members is required by this code, preservations and methods of treatment shall conform to the standards for Ares- sure treatment and preserving of lumber listed in Reference Standard RS-21-4. 2102.9 Underfloor space ventilation 2102.9.1 General: The space between the bottom of the floor joists and the earth under any building (except such space as is occupied by a basement or cellar) shall be provided with a sufficient number of ventilating openings through foundation walls or exterior walls to insure ample ventilation, and such openings shall be covered with a corrosion-resistant wire mesh not greater than one-half (1/2) inch nor less than one-quarter (1/4) inch in any dimension. The minimum total area of venti- lating openings shall be proportioned according to Section 2121.2. Vents shall be located to provide cross-ventilation. Exception: Ventilation openings may be omitted when crawl space is used as a plenum. 2102.9.2 Access: An access crawl hole eighteen (18) inches by twenty-four (24) inches shall be provided to the underfloor \space. ,w 9/1/80 560 J 780 CMR: STATE BUILDING CODE COMMISSION other than covered in the section when approved by the build- ing official. 2102.7 Foundation kneewalls: Studs shall have a minimum length of fourteen (14) inches and shall be not less in size and spacing than the studding required for exterior walls, and when exceeding four (4) feet in height shall be of the size required for an additional story. 2102.7.1 Kneewall bracing: Foundation kneewall studs of exte- rior walls and bearing partitions shall be thoroughly and effec- tively cross-braced (see Table 2103.3). 2102.8 Protection against decay and termites 2102.8.1 Wood in contact with the ground: All wood in contact with the ground and supporting permanent structures shall be approved treated wood. All wood below two (2) inches above surrounding grade, or in locations subject to ponding of water and/or dampers shall be of approved wood type or treated (pressure). 2102.8.2 Untreated wood: Untreated wood may be used where entirely below ground water level or continuously submerged in fresh water; and may be used in contact with the ground for detached accessory buildings not intended for human occu- pancy, for temporary structures, and for fences. 2102.8.3 Wood joists or the bottom of wood structural floors: When wood joists or the bottom of wood structural floors without joists are closer than eighteen (18) inches, or wood girders are closer than twelve (12) inches, to exposed ground located within the periphery of the building over crawl spaces or unexcavated areas, they shall be approved durable or treated wood. Ventilation shall be provided as required in Section 2102.9. 2102.8.4 Sills: All sills which rest on concrete or masonry ex- terior walls and are less than eight (8) inches from exposed earth shall be approved durable or treated wood. 2102.8.5 Wood posts or columns: Posts or columns in cellars shall be supported by piers projecting at least two (2) inches above the finish floor and separated therefrom by an approved impervious barrier except when approved durable or treated wood is used. Posts or columns used in damp locations below grade shall be of approved durable or treated wood. 2102.8.6 Wall pockets: Ends of wood girders entering masonry or concrete walls shall be provided with a one-half (1/2) inch t 9/1/80 557 a M r 780 CMR: STATE BUILDING CODE COMMISSION 2102.2.1 Compressive strength: The ultimate compressive strength of concrete foundations at twenty-eight (28) days shall be not less than two thousand (2,000) pounds per square inch except where weather exposure requires a greater strength or cement content. 2102.3 Footings: All exterior walls, bearing walls, columns and piers shall be supported on solid masonry, or concrete foot- ings, or other approved structural systems which shall be of sufficient design to support safely the loads imposed as deter- mined from the character of the soil. 2102.3.1 Grade clearance: Foundation walls shall extend at least eight (8) inches above the finished grade adjacent to the foundation at all points, except where otherwise approved by the building official. 2102.3.2 Foundations on sloping grade: Foundations for all build- ings where the surface of the ground slopes more than one (1) foot in ten (10) feet shall be level or shall be stepped so that both top and bottom of such foundations are level. 2102.3.3 Unformed foundation walls: Unformed foundation walls may be used when soil conditions warrant, subject to the ap- proval of the building official. 2102.3.4 General: Footings of adequate size shall be provided when necessary to properly distribute the load within the allow- able bearing pressure of the soil. All permanent supports of buildings and structures shall extend a minimum of four (4) feet below finished grade except when erected upon sound bed- rock or when protected from frost, or when the foundation grade is established by a registered professional engineer and is approved by the building official. The engineer shall sup- port the design grade with data including the type and extent of free-draining foundation material, ground water levels, and climatic records. 2102.4 Basement walls: Basement walls shall be constructed in accordance with the provisions of this section and in accor- dance with accepted practice. 2102.4.1 Masonry and concrete walls: Where unstable soil or ground water conditions do not exist, walls may be constructed of unreinforced masonry or concrete with the thickness shown in Table 2102-1. 2102.4.1.1 Reinforced masonry or concrete: Where unstable soil conditions exist or in seismic zones specified by the State Build- ing Code Commission, basement walls may be constructed of re- inforced masonry or concrete as set forth in Table 2102-1 9/1/80 555 + i 780 CMR: STATE BUILDING CODE COMMISSION 4. Eave vents: when eave vents are installed, adquate baffling shall be provided to deflect the incoming air above the surface of the insulation. Baffles shall be installed prior to insulation, and shall be installed over the exterior wall at an angle to provide a two (2) inch minimum clearance under the roof deck for upward flow of ventilation air to the fixed vents in the upper portion of the attic. The ridge or gable vent must be at least three (3) feet above the level of the eave vents. 507.3 Underfloor space ventilation: Enclosed underfloor spaces shall have cross ventilation for each separate space by ventilating openings protected against the entrance of rain and snow, sized by the following criteria. 1. With a ground vapor barrier: underfloor spaces with a vapor barrier installed on the ground surface shall be ventilated with screened openings of one (1) square foot of vent area for each fifteen hundred (1500) square feet of crawl space. 2. Without a ground vapor barrier: underfloor spaces without a vapor barrier installed on the ground surface shall be ventilated with screened openings of one (1) square foot of vent area for each fifcy (50) square feet of crawl space. SECTION 508.0 BASEMENTS AND CELLARS 508.1 General: Except as may be otherwise specified for habitable or occupiable rooms or specifically provided in Article 4 for special uses, the glass window area in basements and cellars, except crawl spaces as pro- vided in Section 507.3, shall be not less than one-fiftieth (1/50) of the floor area served, and provisions shall be made for fresh air supply prescribed for specific uses in Section 514.0 and the mechanical code listed in Appendix B. SECTION 509.0 BUSINESS AND WORK ROOMS 509.1. General: Offices, stores, mercantile and salesrooms, restaurants, markets, bakeries, hotel and restaurant kitchens, factories, workshops, machinery and boiler rooms shall be provided with the required windows specified in Section 506.0 for habitable and occupiable rooms, opening directly on a street or required yard or court; or such rooms shall be equipped with an approved system of mechanical ventilation complying with Section 504.0 and the mechanical code listed in Appendix. B. SECTION 510.0 ASSEMBLY ROOMS 510.1 General:. In addition to the requirements of Article 4 for special uses, the required windows or other approved devices for natural ventila- tion shall be distributed as equally as practicable on at least two (2) 'P 9/1/80 204 1 Date Filed File No. ZONING PERMIT APPLICATION Zoning Ordinance Section 10.2 1 . Name of Applicant: ,G.� :.. ` Address: y. //,�,�,� /¢G S.op Telephone: "r—?491A 2 . Owner of Property: �,�c. S Address: K- ;z Telephone: 3 . Status of Applicant: Owner Contract Purchaser s. Lessee other (explain: 4 . Parcel Identification: Zoning Map Sheet# 3Z zf Parcel# z , Zoning District (s) l) . r_ Street Address ,/'Z 5 . Compliance with Zoning: Existing Proposed Use of Structure/Property ea Size of Structure (sq. ft. ) Building height 1Z i 1.Z,i 0 Building Coverage Setbacks - front w U - side +- -7D --- �, - rear Lot Size Frontage 5 p Floor Area Ratio % Open Space Parking Spaces Loading Spaces Signs Fill (volume & location) 6 . Narrative Description of Proposed Work/Project: (Use additional sheets if nec ssary) /Y4i O�iS� 10A/ dl� &A./ Al c [r i L x,/6 12, �-A -- 7 . Attached Plans: / Sketch Plan Site Plan 8 . Certification: I hereby certify that the information contained herein is true and accurate to the best of my knowledge. Date:VCt-/57 Applicant ' s Signature: _ THIS SECTION FOR OFFICIAL USE ONLY -' - - F/ Approved as presented Denied as presented Reason for Denial: Signature of Building Inspector _ ., Date f C _ H CS cry .d o •� w C C •�' •L � Q. a � p ` ^fi C oo C 4., <.. 4., 4. GQ GA A m C a ra d � p +.) � ,.� v �; tin ❑ v x C GA � +, V U C� .O '� � •� L DS 4�.. b 4 C a C ca b N GA a• y CO C _` O Frl a H O � 4w Q Q Cw .� .,A cl y V eQ y 4 .G2 � O x O O r-1 � O N O tom„ �V.+ O o a' .O o v, a � � � a -� o E � o HG� o Ln 4- Li U PO UZ