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HomeMy WebLinkAbout1986-10-02 Plan ReviewCITY of ORONO fust office Box 66eCrystal Bay, Minnesota 55323 0 Municipul Offices On the North Shore of Lake Minnetonka October 2, 1986 Kelly Shaughnessy 285 South Brown Read Long Lakc, MN 55356 PLAN REVIEW - 95 SOOTS BROWN ROAD Type: New Residence Zoned: Single amily EXCAVATION AND GRADING e shall 1 1 be prepared to receive fill by removing 1. The ground surfacto soil, and other unsuitable vegetation, noncomplying fill, p - materials. Sec. 7010(c). 2. Compaction on all fl Is shall be a minimum of 908 of maximum density. Sec. 7010(e). EppgDATION AND w►S01iRY nimum depth of 316" below finished grade. 3. Footings shall have a mi Sec. 2907 a. luding water shall be removed from bottom 4. All foreign material inc of all footings. Sec. 2605 a. 5. All footings shall be formed, walls, posts, and fireplace footings, etc. Sec. 2606 a. 6. Stepped footings :`hall be formed so that top and bottom of forms shall be level. Sec 2907 c. 7. Reinforcement bars shall be lapped not less than 30 bar diameters. Sec 2415 f. ' where required, shall be supported and tip in place 8. Reinforcement, 2607 f. prior to inspection. Sec. 9. Masonry units in foundation walls shall be laid with Type S or M mortar. Sec 2403 s. BUILDING A ZONING -- 473.7357 • .)MINISTRATION A FINANCE - 473-7338 • PUSM WORKS - 473 1339 � ASStrBSING PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 2 10. Masonry walls that meet or intersect shall be bonded or anchored as required by Sec. 2310. See Sec. 2416 (h). 11. Top blocks shall be FHA blocks or shall be solid grouted or full width top plate. Sec. 2416 1. 12. Anchor bolts shall be imbedded 15" into solid masonry, 1/2" diameter 6' o.c. 2 per piece of sill with one located within 12" of each end of each piece. When in solid poured concrete the anchor bolt shall be imbedded 7". Sec. 2907 e. 13. No masonry shall be laid when the temperature of the outside air is below 40 degrees F., unless approved methods are lised during construction to prevent damE,,e to the masonry. Materiaia to be used and materials to be built upon shall be free from ice and snow. Sec. 2415 a. 14. All wood forms shall be removed before backfilling or completion of the building. Sec. 251.6 b. 15. Ends of wood girders entering masonry or concrete walls shall be provided with a 1/2" air space on top, sides and ends unless approved wood of natural resistance to decay or treated wood is used. Sec. 2516 c-5. (We will accept 1/2" insulation board in lieu of the 1/2" air space and then the beam mudded tight. 16. The minimum thickness of concrete floor slab supported directly on the ground shall be not less than 3-1/2". Sec. 2623. 17. Footings supporting wood shall extend at least 6 inches above the adjacent finished grade. Sec. 2907 a. 18. Before concrete is placed, all debris, and ice shall be removed from the spaces to be occupied by the concrete, forms shall be properly coated, and the reiforcements shall be thoroughly clean of ice or other deleterious coatings. Sec. 2605 a. 19. For slab on grade f loors the insulation around the perimeter of the floor shall have a thermal resistance of not less than 6.3 and the insulation shall extend downward below the grade line to the design frost line or any equivelent distance horizontally inward from the edge of the floor. ASHRAE 90-75. 20. Bearing walls shall be supported on masonry or concrete foundations or piles or other approved foundation system which shall be of sufficient size to support all loads. 21. Veneer of brick, concrete or stone applied as specified in Sec. 3006 b. may be supported by approved treated wood foundations when the maximum height of veneer does not exceed 25'. Sec. 2515 (a) Exc 4. PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 3 FRAMING AND CARPENTRY 22. All foundation sills or plates which are within 8" of finished grade or rest on masonry or concrete slab shall be pressure treated wood. Foundation grade redwood or cedar may be substituted. Sec. 2516-c-3-7. (Note with the latter galv. nails should be used). 23. Wood joists or the bottom of wood f loors closer than 18" or wood girders closer than 12" to the ground underfloor arQas shall be pressure treated lumber, or as listed in 2517-c-3. Sec. 1516-c-2. 24. Accessible underf loor areas sha 11 be provided with an 18" x 24" access crawl hole. Sec. 2516-c:-2. 25. Underfloor areas shall be provided with ventilation to meet intent of Sec. 2516-c-6. Net area of not less than 1-1/2 sq. ft. per 25 lin. ft. of ext. wall. 26. No wood other than permitted by Sec. 2516-c-3 shall be closer than 6" to any earth unless separated by concrete at least 3" thick with an impervious membrane installed between the earth and concrete. Sec. 2516-c-7. 27. The ends of beams or girders supported on masonry or concrete shall have not less than 3" of bearing. Sec. 2517-c. 28. Foundation plates or sills shall be bolted as required by Sec. 2907-e. Z9. Girders shall be designed to carry all loads imposed on them, end joints shall occur over supports. when spliced over support, an adequate tie shall be provided. Sec. 2517-c. 30. Each joists shall have not less than 1-1/2" bearing on wood or metal, nor less than 3" on masonry. Sec. 2517-d-2. 31. Joists shall be supported laterally at the ends and at each support by solid blocking not less than 2" in thickness and full depth of joists. Sec. 2517-d-3. 32. Joists framed from opposite sides if a beam, girder or partition shall be lapped at least 4 inches, or the opposing joists shall be tied together in an approved manner. Sec. 2517-d-3. 33. Joists framed into the side of a wood girder shall be supported by framing anchors or on a ledger strip not less than 2"x2". Sec. 2517- d-3. 34. Framing around openings; trimmer and header joists shall be doubled when span exceeds four (4) feet. Sec. 2517-d-4. PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 4 35. Bearing partition perpendicular to joists shall not be offset from supporting girder walls or partitions, more than the joist depth. Sec. 2517-d-5. 36. Holes borded in joists shall not be within 2" of top or bottom - the diameter of any such hole shall not exceed 1/3 of the depth of the joist. Sec. 2517-d-3. 37. Notches in the top or bottom of joists shall not exceed 1/6 the depth, and shall not be located in the middle 1/3 of the space. Sec. 2517-d-3. 38. Joints in subflooring shall occur over supports. Sec. 2517-e-1. 39. 2"x4" studs shall be used only to frame not more than 2 stories in height. Table 25-R-3. 40. Utility studs shall support not more than a roof and ceiling load. Sec. 2517-g-1. 41. When bearing studs are spaced at 24" intervals and top plates are less than 2-2 x 6 or 2-3 x 4 members and when the f loor joists, f loon trusses or roof trusses which they support are spaced at more than 16" intervals, such joists or trussess shall bear within 5" of the studs beneath or a third plat shall be installed. 42. Studs shall be placed with their wide dimension perpendicular to the wall. Sec. 2517-g-2. 43. Not less than 3 studs shall be installed at every corner of an exterior wall, unless other approval by Building Official. Sec. 2517- g-2. 44. Studs in bearing and exterior walls shall be capped with double plates, installed to provide over -lapping at corners and partitions. Sec. 2517-g-2. 45. End joints in double plats shall be offset a minimum of 48". Sec. 2517-g-2. 46. All exterior walls and main cross partitions shall be effectively and thoroughly braced at each end, and at least every 25 feet in length. Sec. 2517-g-3. 47. Foundation cripple walls shall be framed of studs not less insize than the studding above with a minimum length of 14 inches, or shall be frames of solid blocking. Sec. 2517-g-4. 48. When foundation cripple walls studs exceed 4 feet in height, they shall be framed of studs having the size required for an additional story. Sec. 2517-g-4. PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 4 35. Bearing partition perpendicular to joists shall not be offset from supporting girder walls or partitions, more than the joist depth. Sec. 2517-d-5. 36. Holes borded in joists shall not be within 2" of top or bottom - the diameter of any such hole shall not exceed 1/3 of the depth of the joist. Sec. 2517-d-3. 37. Notches in the top or bottom of joists shall not exceed 1/6 the depth, and shall not be located in the middle 1/3 of the space. Sec. 2517-d-3. 38. Joints in subflooring shall occur over supports. Sec. 2517-e-1. 39. 2"x4" studs shall be used only to frame not more than 2 stories in height. Table 25-R-3, 40. Utility studs shal i support not more than a roof and ceiling load. Sec. 2517-g-1. 41. When bearing studs a: npacv-j at 24" intervals anc' top plates are less than 2-2 x 6 or 2-3 x 4 members and when the f loor joists, f loor trusses or roof trusses which they support are spaced at more than 16" intervals, such joists or trussess shall bear within 5" of the studs beneath or a third plat shall be installed. 42. Studs shall be placed with their wide dimension perpendicular to the wall. Sec. 2517-g-2. 43. Not less than 3 studs shall be installed at every corner of an exterior wall, unless other approval by Building Official. Sec. 2517- g-2. 44. Studs in bearing and exterior walls shall be capped with double plates, installed to provide over -lapping at corners and partitions. Sec. 2517-g-2. 45. End joints in double plats shall be offset a minimum of 48". Sec. 2517-g-2. 46. All exterior walls and main cross partitions shall be effectively and thoroughly braced at each end, and at least every 25 feet in length. Sec. 2517-g-3. 47. Foundation cripple walls shall be framed of studs not less insize t},an the studding above with a minimum length of 14 inches, or shall I , frames of solid blocking. Sec. 2517-g-4. 48. When foundation cripple walls studs exceed 4 feet in height, they shall be framed of studs having the size required for an additional story. Sec. 2517-g-4. PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 5 49. All headers or lintels shall have not less than 2" solid bearing at each end to the floor or bottom plats. Sec. 2517-g-5. 50. All stud partitions in the basement that are not covered on at least one side with approved wall coverings shall be braced with 2" thick bridging installed at mid-point of wall, and of the same width as the stud. Sec. 2517-g-7. 51. Rafters shall be framed directly opposite each other at the ridge. Ridge board shall be a minimum of 1" in thickness and not less in depth than the cut end of the rafter. (2" larger than rafter) Sec. 2517-h-3. 52. Purlins may be installed to reduce the space of rafters within the allowable limits and shall be supported by struts to bearing walls. Sec. 2517-h 53. All lumber, plywood, etc. shall be identified by the grade mark of an approved agency. Sec. 2505. 54. In the one hour occupancy separation between a Group R and M occupancy, the separtion may ie limited to the installation of materials approved for one hour fire resistive construction on the garage side and a self-closing, tight-fitting solid wood door 1 3/8" in thickness will be permitted. Sec. 503-d-4. 55. Fire stoppings shall be provided to cut off all concealed draft openings (both vertical and horizontal). Sec. 2516-f. LIFE, SAFETY, AND HEALTH 56. Every sleeping room below the fourth floor shall have at least one window or exterior door approved for emergency exit. Windows with a net clear openable area of not less than 5.7 sq. ft. min. net clear opening height 24" width 20", with a max. sill height above the floor of 48" shall be deemed to meet this requirement. Sec. 1204. NOTE: The minimum dimensions do not meet 5.7 sq. ft. 57. All habitable rooms shall have natural light provided by window, with an area of not less than 88 of f loor area or min. of 8 sq. frt. Sec 1205. (1/20 of the above shall be openable or a min. of 5 sq. ft.) *Exception. A mechanical ventilation system may be provided which will provide 2 air changes per hour. 1/5 shall be outside air. 58. All bathrooms, laundry rooms etc. shall have 1/20 of floor are in glass with a min. of 1 1/2 sq. ft. Sec. 1205. *Exception. A mechanical ventilation system may provided which will provide 5 air changes per hour. PLAIN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 6 59. For the purpose of determining light and ventilation requirements, any room may be considered as portion of an adjoining room when 1/2 of the area of the common wall is open and unobstructed and provides an opening of not less than 1/10 of the f loor area of the interior room or 25 sq. ft., whichever is greater. Sec. 1205-a. 60. Ceiling heights in habitable rooms, shall be not less than 7' 6". Other rooms may have ceiling height of not less than 7' measured to lowest projection. Sec. 1207-a. 61. A water closet compartment shall be not less than 30 inches in width and shall provide a clear space in front of the water closet not less than 241. Sec. 511-a. 62. Every dwelling unit shall be provided with an app�oved smoke detector conforming to UBC Std. #43-6. They shall be mounted on the ceiling or a wall at a point centrally located in the corridor or area giving access to rooms used for sleeping purposes. All detectors shall be located within 12" of the ceiling. Sec. 1210-a. 63. Every dwelling unit shall be provided with heating facilities capable of maintaining a room temperature of 70 degrees at a point 3 ft above the floor in all habitable rooms. Sec. 1211. 64. All weather exposed surfaces, shall have a weather resistive barrier to protect the interior wall. Sec. 1707-a. 65. Exterior openings exposed to the weather shall be flashed in such a manner as to make them weatherproof. Sec. 1707-b. 66. All flashing, counter flashing, and coping when of metal shall be not less than i26 gauge corrosion resistant metal. Sec. 1707-b. 67. Shower areas shall have a smooth, hard nonabsorbent surface such as ceramic tile, to a height of not less than 6 feet. Materials other than structural elements used in such walls shall be of a type not adversely affected by moisture. Sec. 510-b. 68. Glazing used in door ad panels of shower and bathtub enclosures shall be fully tempered, laminated saftey glass, or approved plastic 3/16' min. thickness when fully tempered or 1/4' when laminated. Sec. 5406 -c -d. 69. Plastics used in doors and panels of shower and bathtub enclosures shall be of a shater-resistant type. Sec. 5406-c. 70. Glazing in location which may be subject to human impact such as frameless glass doors, glass entrances and exit doors, fixed glass panels, sliding glass doors, shower doors, tub enclosures, and storm doors shall meet the requirements set forth in UBC Standards No. 54-2. PLATA REV I EW - 95 SOUTH BROWN ROAD October 2, 1986 Page 7 71. When kitchen range hood faces a combustible material less than 30" above cooking surface, hood shall be separated from combustible material by 1/4" mill board or equivalent. SBC. 7715-g. 72. All unenclosed floor and roof openings, open and glazed sides of landings, balconies or poches which are more than 30 inches above grade, and roofs used for other that: service of the building, shall be protected with a guardrail. Guardrails shall be not less than 24 inches in height. Open guardrails and stair railings shall have intermediate rails or an ornamental pattern such that a 6 inch diameter sphere cannot pass though. Interior guardrails may be 36" within dwelling units or guest rooms of Group R. Div. 1 occupancies. Sec. 1711. 73. The rise of every step in a stairway shall not exceed 7 1/2 inches and the run shallnot be less than 10 inches. The largest tread width or riser height within any flight of stairs shallnot exceed the smallest by more than 1/4 inch. Sec 3305-c. Stairs: Private stairways serving an occupant load of less than 10 may be constructed with an 8 inch max. rise and 9 inch min. run. width of treads and heights of risers within any flight shall have identical dimension with a 1/4 inch tolerance. Sec. 3305-c. 74. Landings: Every landing shall have a dimension measured in the direction of travel equal to the width of the stairway. Sec. 3305-g. 75. Stairways over 3 risers shall have handrails on open sides, at least 30 inchs and not more than 34 inches above the nosiig of treads. Sec. 3305-j. 76. Where there is enclosed usable space under stairs, the walls, and soffits of ther enclosed space shall be protected with materials of one hour fire resistive construction. Sec. 3305-m. 77. Exterior stairways may be of wood not less than 2" in thickness. Sec. 3305-n. 78. Every required stairway shall have a headroom clearance of not less than 6' 6". Sec. 3305-p. 79. An attic access opening shall be provided in the ceiling of the top floor of building with combustible ceiling or roof construction, it shall be readily accessible in all building. Shall have a min. opening of 22' x 30". Shall have a min. clear headroom above the access opening. Sec. 3205-a. 80. Composition shingles shall be fastened according to manufacturers printed instructions but not less than four nails for each strip shingle Tor. 36 inch strips and two per each less than 20 inches wide. Sec. PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 8 81. Composition shingles shall have an underlay of not less than 15# felt, applied as a base sheet. Sec. 3203-d-5-a. 82. Composition shingles shall be laid on slopes that are 4/12 or greater. If less, installation approval must be granted by the Building Official. Sec. 3203-g-2. 83. Roof valley flashing shall be provided of not less than #28 gals. sheet gauge corrosion resistant metal and shall extend at least 8 inches from the center line each way, and shall have a splash diverter rib not less than 3/4" high at the flow line. Sec. 3203-d-5-b. 84. Enclosed attics and enclosed rafter spaces formed where ceilings are applied direct to the underside of roof rafters shall have cross ventilation for each separate space by ventilating openings protected against the entrance of rain and snow. The area shall be not less n 1/150 of the area of the space ventilated. Except that the area may be 1/300 roviri�2d at least 508 of the required ventilation area is providPa .,y ventilators located in the upper portion of the space to be v.,ntilated at least 3 feet above eave or cornice vents with the ba ance of the required ventilation provided by eave or cornice vents MECHANICAL SECTION 85. At least three feet clear space shall be provided in front of all zone valves and controls, etc. for access and servicing. Sec. 7209 SBC 86. Chimneys shall F!xtend at least 3 feet above the highest point where they pass through the roof of a building and at least 2 feet Iiigher than any portion of any building within 10 feet. Sec. 7403 SBC 87. All masonry chimneys to which heating boilers or furnaces are to be connected shall be subject to and most successfully withstand a smoke test before such connection is permitted. Sec. 7403 SBC 88. All chimneys shall have cleanouts and the cleanouts shall be constructed so that they will remain tightly closed when not in use. Sec. 7403 SBC 89. Masonry chimneys serving gas fired boilers, furnaces or other heating devices, whether of the gas designed type or fired by gas conversion burners, having an input not exceeding 400,000 BTU per hour, rhali be lined continuously from the thimble to the top of the chimney with an approved non-combustible, acid and corrosion resisting liner of the same equivalent cross sectional area as the vent connector. Sec. 7403 SBC 90. A condensation pocket shall be provided at the base of said liner with provision for a drip, so arranged that excessive condensation of combustion products may be disposed of. Sec. 7403 SBC PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 9 91. Chimney caps may be used on chimney liners providing they do not obstruct or impair the free emission of the products of combustion, are approved by the administrative authority. Sec. 7403 SBC 92. Single wall metal pipe shall be constructed of sheet steel not less than #20 gauge or other approved non-combustible corrosion resistant material. Shall be installed only for runs directly from the space in which the appliance is located through the roof or exterior wall to the outer air. Shall further meet requirements of SBC1303, 7409 as are applicable. Sec. 7403 SBC 93. Type B gas vents, shall be round in physical shape except as approved for B -W vents. For further specifications see Sec. 7404 of SBC 94. Outside gas vents and chimneys are not recommended for use in cold climates. When they must be used in these climates the material shall possess high insulation qualities or be adequately insulated. Sec. 7405 SBC 95. Vent connectors fc - conversion burners without draft hoods and unlisted appliances without draft hoods shall be constructed or not less than #24 gauge galvanized sheet. Sec. 7407 SBC 96. When two or more appliances are connected to a common vent or chimney, the effective area of each vent, connector shall be not less than the area of the applicant, draft hood outlet. Sec 7407 -c -SBC 97. Two or more gas appliances may be vented through a common flue or vent connector when necessary, if joined by "Y" fittings as close as practicable to the flue or vent and provided the size of the common flue or vent is sufficient to accommodate the total volume of flue gases. "Y" fittings shall be made so that the angle at which the vent connectors intersect is as small as possible and should not exceed 45 degrees. Sec 7407 -f -SBC 98. Vent connectors shall be firmly attached to draft hood outlets by sheet metal screws or other approved means. Joints of other than listed Type B gas vent materials shall be securely fastened by sheet metal screws. Sec. 7407 SBC 99. The mayimum length of an uninsulated horizontal run of vent connector shall not exceed 758 of the height of the gas vent, chimney or single wall metal pipe. Sec. 7407 SBC 100. Single wall metal pipe used as a vent connector shall not pass through any floor or ceiling. Sec. 7407 SBC 101. A vent connector shall not be connected to a chimney serving a fireplace unless the fireplace opening is permanently sealed. Ser. 7407 SBC PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 10 102. Vent connectors made of single wall metal pipe shall not pass through any combustible walls unless they are guarded at the point of passage by ventilated metal thimbles. See Sec. 7408 SBC for requirements 103. In an individual duct system, such duct shall be provided with a volume damper with substantial mounting and positive locking device. Sec. 7508 SBC 104. In a trunk system, each branch duct shall be provided with a splitter damper where it leaves the main trunk duct, and with additional splitter dampers if again divided. All dampers shall be provided with positive locking devices. Sec. 7508 SBC 105. Warm air supply ducts shall not be installed for the purpose of heating attached private garages from any forced air system serving habitable areas. Sec. 7508 SBC 106. Supply registers shall be securely fastened to connecting pipe. Return air registers shall have a free area at least equal to the free area of the ducts to which they are connected. Sec. 7509-7510 SBC 107. Underground ducts installations shall be in accordance with SBC 7726. 108. In residential installations the fan or blower housing shall not be directly connected with metal either to the furnace casing or to the return air piping. Canvas strips may be used to make these connections. Motors shall be mounted in such a way that vibration will not be transmitted to duct work or equipment. Sec. 7518 SBC 109. Residential ventilation, all ducts, (range hood ventilation) shall be galvanized iron of not less than #28 gauge. All seams in the duct system shall be tight. Pressure sensitive tape may be used (if approved). Back draft dampers shall be provided near the outlet of the duct. 1/2' mesh screen shall be installed at each exhaust outlet. Ducts passing through unheated spaces shall be insulated with a minimum of one inch of fiber glass insulation. Ducts located in a heated space shall be insulated with one inch of fiber glass insulation for a distance of three feet from the duct outlet. Sec. 7715 SBC 110. Combustion air as required by SBr 7722 shall be provided. Air intakes shall be provided from the exterior of the building. PLAN REVIEW - 95 SOUTii BROWN ROAD October 2, 1936 Page 11 111. Ducts shall be securely supported by metal hangers, straps, lugs or brackets. Sec. 7724-2-a SBC 112. No nails shall be driven through the duct walls and no unnecessary holes shall be cut in them. Sec. 7724-2-b 113. Where return air is taken from first floor through a register box placed between studs, the stud space containing such box shall be effectively sealed. Sec. 7724-3 SBC 114. Return air ducts passing through an attached private garage shall be sealed against fumes. 115. Exposed warm air ducts passing through attached private garages whether heated or not shall be insulated with non-combustible insulation. Sec. 7724-7. Such insulation shall have an R -factor of 4.0. 116. Underground duct construction and installation shall meet all the requirements of SBC 7726. No underground duct shall be installed where water connections may occur unless means are provided to collect and drain surface and underground water by the installation of drain the around the perimeter of the space served by the underground duct system. Sec. 7726-2 SBC This type of duct system requires an on-site inspection by the inspector prior to pouring of the concrete slab. Requires a vapor barrier between fill and the bottom of the slab. This shall be a 4 mil. polyethylene or equal. Sec. 772.6-5-a SBC 117. Floor slab insulation is required for these types of installations. Insulation shall extend downward to the design frost depth. See further requirements in Sec. 7726-6 and also AS"RAE 90-75. 118. Separate exhaust systems shall be located with respect to building construction and other equipment so as to perdnit access to the applicant. Sufficient clearance shall be maintained to permit cleaning and servicing of applicant. Sec. 7903-4 119. Separate exhaust systems shall be provided for kitchen and bathroom exhaust. Shall be exhausted to the outside atmosphere. Sec. 7729 120. All boiler and furnaces shall be provided with automatic safety devices arranged to prevent excessive water temperatures, or air temperatures by shutting off the fuel supply. Sec. 7903-5 SBC PLAN REVIEW - 95 SOUTH BROWN ROAD October 2, 1986 Page 12 121. All limiting devices shall shut off fuel to all main burners. Sec. 7903-5-c 122. It shall be the insa1lers responsibility to make pr --isions for adequate air for combustion and draft hood dilution. Ser: .903-4 123. All pipe used for the distribution of natural or liquid petroleum gas shall be steel, wrought iron, copper or brass of full weight standard gauge and thickness. Steel and wrought iron shall comply with ASAB 36-10. Copper tubing shall be of standard type K or L, complying with ASTM B88. Joints shall be made by approved flared gas fittings or by brazing with material having a melting point in excess of 1000 degrees. Copper tubing shall not be used for piping with the burner heat zone to pilot burners. SBC 8002 124. Gas piping in buildings shall be supported. Gas piping shall. not be supported by or used to support other piping. See Sec. 8001 for further information. 125. Condensate drips are not required for gas. A tee fitting with the bottom outlet plugged or capped shall be installed at the base of supplying piping when dropping down to an automatically controlled gas burner. Sec. 8009 SBC. 126. Pipes passing through concrete, or other corrosive materials, shall pass through sleeves, castings or be suitably coated to protect against corros?c- and mechanical damage. Sec. 8014 127. Gas piping shall not be run in or through an air duct, clothes chute, chimney or flue or ventilation duct. Sec. 8015 SBC 128. Piping run underground inside the building, or run in solid floors such as concrete, shall be run in conduit or casings. Such conduit shall be left open into an accessible location or be vented so a leak will be readily detected. Sec. 8016 SBC 129. Any gas piping to be run underground outside the building shell have not less than S inches of ground cover. Sec. 8017 SBC 130. Pipe underground shall be covered with a protective coating of 10 mil polyethylene or polyvinyl. The pipe shall not be threaded, but shall be joined by welding or mechanical joints, and such joints shall be protected. Sec. 8018 SBC PLAIN REVI=f - 95 SOUTH BROWN ROAD October 2, 1986 Page 13 131. When meter is installed on the exterior of the building walls, a main shut-off valve, same size as the building main gas supply shall be installed on the inside of the building between the meter and the first branch gas line. Shall be installed in the first readily accessible location and have permanently attached handle. This valve shall be an approved lubricated plug or ball type. Sec. 8022 SBC 132. For each burning device there shall be provided, in the pipe supplying same, and &djacent there to, an independent shut-off valve, placed in an accessible location. All gas valves shall be of lever handle type. Sec. 8023 SBC 133. After piping has been checked for leaks, it shall be fully purged. Sec. 8031 SBC 134. The installation and maintenance of undiluted or diluted LP gas installations shall be made to the standards of NFPA #58. 135. Hot water heaters of over 38,000 BTU shall be vented with 4" vent pipes. T'ble #4 — - 136. Relief valve on hot water heater shall be full size and run to within 18" of the floor. MHD 130-f-ee. 137. Maintain clearance to combustibles as required by your particular installation (see note on vent stack). 138. Vent connectors used for gas appliances shall be of not less than 26 gals. sheet gauge, except that Type B vent material way be used between the drafthood and the chimney. Pd(: 7407-b Plan Check Done By: T omas J. Jacob Hµilding Official L) - --., Y' Date