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10. 11. 12. 13. 2. An uncoated No. 4 reinforcing bar stubbed up at least 12 inches above the floor plate line and tightly attached to file rehfforcing bar located in the footing. The spliced lap of the stubbed up bar to the footi~ ~ shall be a mlnlmllm of 12 inches. ENCLOSED ACCESSIBLE SPACE under stairs shnH have walls ~ soffits protected on the enclosed side wifil 1/2 inch gypsum boasd. STAIRWAYS sh~ll not be less than 36 inches in clear width at all points between the handrail height and the required minimllm headroom of 6 feet 8 inches. Minimom width from the haudrall down is 32 inches wifil one h~ndrall, 28 inches with two. T~e minlrmun required stair freud width is 9 inches. The maximum stair rise is 8 {ne_ht~. When risers are closed, all ueads less th~n 10 inches shall have a u~form nesing between 3/4 inches and 1 1/4 inches. The greatest riser haigh~fflreed depth shall not exceed the smallest by more than 3/8 inch. HANDRAILS having a minimum and maximum height of 30 inches and 38 inches, respecl~vely, shall be provided on at least one side of stairways of more than three risers. All reqllired handraJis sh~l! be continuous thc full leagth of the stairs. Ends shall be remroed or sh~l terminR~e in newel posts or safety termin~lS. Exception: HandraiLs may be interrupted by a newel post at a turn, and file use of a volute turnout or starting easing shall he allowed over the lowest trcad. THE HANDGRIP PORTION of handrails shall not be less th~n 1 1/4 inches or more than 2 5/8 inches in cross-sectional dimension, or the shape shall provide an equivalent gripping surface. The handgrip pol~ion shall have a smooth surface and edges shall have a minimum radin$ of lis inch. OUARDRAILS. Porches, balconies or raised floor surfaces located more than 30 in. above the floor or grade shall have guasdsails not less than 36 inches in height. Required guardrall shall have intermediate rails or ornamental closu~s which will not allow passage of an object 6 in. or more in diameter. Horizontal spacing between the venieal members in required guardraiis shall be a maxi~rmm of 4 inches at file nearest point between the members. GUARDRAIL ON STAIRS. Open sides of stairs with a total rise of more thsn 30 inches above file floor or grade below.shall have guardrails not less th~n 34 inches in height measured vertically from the nosing of the tseads. Guardrali shall have intermediate rails or ornamental closures which will not allow passage of an object 6 in. or more in diRmeter. Horizontal spacing between file vertical members in required guardrails shall be a maximum of 4 inches at file nearest point between the members. EVERY SLEEPING ROOM shall have at least one open,abM window or exterior door approved for emergency egress or rescue. The window sill height shall not he more than 44 inches above thc floor. The minimllm net clear openln~ is 5.7 square feet. Thc mlnin~lm net clear openin..~ height shall he 22 inches. Thc mlnlrmlm net clear openln~ width shall he 20 inches. Exceplion: Grade floor windows may have a minin'mnl net ~lear Openln~ of $ square feet. THE GARAGE shall be separated from the dwellin~ and its a~ic area by means of 1/2-inch gypsum board apphed to the garage side of the wall. Where the separalion is a floor-ceiling assembly, the strncUire supporling the soparafion shall he protected by 1/2-ineh gypsum board or equivalent. The door between file garage and residence shall be equipped with solid wood doors not less flaan 1 3/8 inches in thiclmess or 20- minute fire rated, or equivalent. SMOKE DETECTORS sbsll be installed in each sleeping mom, outside of each separate sleeping area in the immediate vicinity of the bedrooms and on each additional stovJ of ~he dwellin~o includin~ basemaBts. All detectors shall be interconnected such that lhe actoation of one alarm will actuate all the alarms in the individual unit and sl~{{ provide an alarm which will be audible in all sleeping areas. Smoke detectors shall he 110 volt with hattey hock-up.' SMOKE DETECTOR/POWER. Required smoke detectors shall receive their primary power from tbe building wiring when such wiring is servcd from a commercial source, and when prlrr~ry power is inter- rupted, shall receivc power from a battery. Smoke detectors may he battery operated when installed in buildings without commercial power. 2-Stov~ Review 2