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HomeMy WebLinkAbout20000169.tiff 305 ORDINANCE NO. 119-P IN THE MATTER OF AN AMENDMENT TO ORDINANCE NO. 119-O, WELD COUNTY BUILDING CODE ORDINANCE, REVISING CERTAIN PROCEDURES, TERMS, AND REQUIREMENTS BE IT ORDAINED BY THE BOARD OF COUNTY COMMISSIONERS OF THE COUNTY OF WELD, STATE OF COLORADO: WHEREAS, the Board of County Commissioners of the County of Weld, State of Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, the Board of County Commissioners of Weld County, Colorado, has previously adopted Ordinance No. 119-O, Weld County Building Code Ordinance, establishing a comprehensive revision of the building code requirements for unincorporated areas of the County of Weld, and WHEREAS, said Ordinance No. 119-O is in need of revision and clarification with regard to procedures, terms, and requirements therein. NOW, THEREFORE, BE IT ORDAINED, by the Board of County Commissioners of the County of Weld, State of Colorado, that certain existing sections of said Ordinance No. 119-O is repealed and re-enacted, with amendments, by the revision of Section 20.1.13, which shall read as follows: 20.1.13 Add Section 1806.1.1: All foundations shall be designed by an architect or engineer licensed by the State of Colorado. Additionally, if a site specific soils report is not provided, an "open hole" inspection shall be conducted by an architect or engineer licensed by the State of Colorado. Subsequent to that inspection, a written letter bearing the architect or engineer's stamp shall be presented to and approved by the Weld County Building Inspection Department prior to backfilling around the foundation. An architect or engineer licensed by the State of Colorado may perform all foundation, perimeter drain, and dampproof inspections. If this option is used, a stamped letter from the architect or engineer must be received and approved by the Weld County Building Inspection Department prior to any structural inspections on the building. This letter must state that the architect or engineer did perform the inspections and that the work is consistent with the design drawings for the foundation. 20.1.13.1 Add Section 1806.1.1 Exception 1: The requirements of Section 20.1.13 of this Code shall not be required for an addition foundation to a Group R, Division 3 Occupancy when all of the following conditions are met: 1. The square footage of the addition does not exceed the square footage of the existing home. 11111111111111111111111111111III1111111III11111IIII IIII pc CA, PL2 2000 0169 1 747303 of 5 R 0.00 2000 D 0.00 3:13P JA Sukl We Weld County COsukamoto ORD119-P RE: ORDINANCE NO. 119-P PAGE 2 2. The height of the addition does not exceed the height of the existing home. 3. The existing foundation is five or more years old and shows no signs of settling or structural damage. 4. The addition foundation shall be the same type and dimensions as the existing foundation. 5. The foundation of the existing home does not consist of caissons and grade beams or any other design that would indicate that the original foundation was designed for expansive soil conditions. 6. Reinforcement bar size and placement for the addition foundation shall be according to the following Weld County standards: BLOCK FOUNDATION WALLS 4 FEET OR LESS IN HEIGHT shall be reinforced with #4 vertical bars spaced a maximum of 32 inches on center. Vertical bars shall be tied to #4 L-shaped bars which are bent so as to form a minimum horizontal extension of 6 inches and imbedded a minimum of 3 inches below the top of the footing. The L-shaped vertical bars shall extend upward 18 inches into the wall. All cells containing vertical reinforcement shall be filled solidly with grout. Horizontal reinforcement shall consist of approved wire reinforcement with a minimum 9-gauge side and cross runs. Such reinforcement shall be laid continuously in alternate bed joints. The top course of the foundation wall shall be a bond beam course. The bond beam course shall be reinforced with one #4 reinforcement bar. Vertical bars shall be tied to the bond beam longitudinal bar. Spread footings shall contain two continuous#4 bars. BLOCK FOUNDATION WALLS UP TO 9 FEET IN HEIGHT shall be reinforced with #5 vertical bars spaced a maximum 32" on center. Vertical bars shall be tied to #4 L-shaped bars which are bent so as to form a minimum horizontal extension of 6 inches and imbedded a minimum of 3 inches below the top of the footing. The L-shaped vertical bars shall extend upward 18 inches into the wall. All cells containing vertical reinforcement shall be filled solidly with grout. Horizontal reinforcement shall consist of approved wire reinforcement with a minimum 9-gauge side and cross runs. Such reinforcement shall be laid continuously in alternate bed joints. ANSI 1111 11011 ��� 111111111 ���� 2000-0169 2747303 02/01/2000 03:13P JA Suki Tsukamoto ORD119-P 2 of 5 R 0.00 D 0.00 Weld County CO RE: ORDINANCE NO. 119-P PAGE 3 The top course of the foundation wall shall be a bond beam course. The bond beam course shall be reinforced with two #4 reinforcement bars. Vertical bars shall be tied to the bond beam longitudinal bar. Spread footings shall contain two continuous #4 bars. CONCRETE FOUNDATION WALLS 4 FEET OR LESS IN HEIGHT shall be reinforced with two continuous#4 reinforcement bars spaced 12 inches from the top and bottom of the wall. The bars shall be centered within the width of the wall. Number 4 vertical bars shall be spaced every 4 feet. Vertical bars shall be tied to#4 L-shaped bars which are bent so as to form a minimum horizontal extension of 6 inches and imbedded a minimum of 3 inches below the top of the footing. The L-shaped vertical bars shall extend upward 18 inches into the wall. Spread footings shall contain two continuous#4 bars. CONCRETE FOUNDATION WALLS UP TO 9 FEET IN HEIGHT shall be reinforced with four continuous#4 reinforcement bars. Top and bottom bars shall be located 12 inches from top and bottom of the wall. Two#4 bars shall be spaced equally between top and bottom bars. The bars shall be centered within the width of the wall. Number 4 vertical bars shall be spaced every 4 feet. Vertical bars shall be tied to#4 L-shaped bars which are bent so as to form a minimum horizontal extension of 6 inches and imbedded a minimum of 3 inches below the top of the footing. The L-shaped vertical bars shall extend upward 18 inches into the wall. (Foundation walls more than 9 feet shall be engineered.) Spread footings shall contain two continuous #4 bars. MONOLITHIC FOUNDATIONS with 8 inches footings that extend 30 inches below grade shall have two#4 continuous reinforcements bars top and bottom equally spaced. (See Sections 20.1.13.2 of this Code for reinforcement bar size and placement for a 12 inches deep monolithic foundation.) 20.1.13.2 Add Section 1806.1.1 Exception 2: When there is no evidence of unstable or expansive soil conditions, detached garages and accessory buildings no larger than 3,000 square feet with wood framing and no brick or masonry, may use a monolithic foundation with an 8 inches thick footing which extends 6 inches above grade and 12 inches below grade. Two#4 reinforcement bars shall be installed horizontally along the footing, one 4 inches to 6 inches above the bottom of the footing. The 11111111111111111111111111111 III 1111111 III 11111 /III /III 2000-0169 2747303 02/01/2000 03:13P JA Suki Tsukamoto ORD119-P 3 of 5 R 0.00 D 0.00 Weld County CO RE: ORDINANCE NO. 119-P PAGE 4 second is to be installed above grade 2 inches below the top of the slab in the thickest portion of the foundation. The slab shall be a minimum 3 '/ inches thick. Anchor bolts shall be installed as per Section 1806.6 of the Uniform Building Code. 20.1.13.3 Add Section 1806.1.1 Exception 3: When there is no evidence of unstable or expansive soils or signs of settling, additions that are added onto an existing mobile or manufactured home that is blocked and tied down and not on a permanent foundation or permanently installed, may use a monolithic foundation as described in Section 20.1.13.2 of this Code. Such additions shall not exceed the size of the mobile or manufactured home and there shall be no evidence of unstable or expansive soil conditions. 20.1.13.4 Add Section 1806.1.1 Exception 4: When there is no evidence of unstable or expansive soil conditions, a foundation consisting of block piers and tie-downs is permitted when installed according to the manufacturer's installation manual. When a mobile or manufactured home has been previously set up and the manufacturer's installation manual is no longer available, the foundation shall meet the standards set forth in Section 20.8.2 of this Code. Mobile or manufactured homes that are permanently installed, according to Weld County Standards, shall not be required to meet the requirements of Section 20.1.13 of this Code. (See Section 20.8.3 of this Code.) 20.1.13.5 Add Section 1806.1.1 Exception 5: Pole structures that meet the standards set forth by the Weld County Building Inspection Department shall not be required to meet the requirements of Section 20.1.13 of this Code or have the structure engineered. Drawings for pole structures must be submitted and approved before the structure is erected and before a building permit is issued. (Drawings are not required for buildings that qualify as agricultural exempt, as defined in Section 30.1.13 of this Code.) BE IT FURTHER ORDAINED by the Board if any section, subsection, paragraph, sentence, clause, or phrase of this Ordinance is for any reason held or decided to be unconstitutional, such decision shall not affect the validity of the remaining portions hereof. The Board of County Commissioners hereby declares that it would have enacted this Ordinance in each and every section, subsection, paragraph, sentence, clause, and phrase thereof irrespective of the fact that any one or more sections, subsections, paragraphs, sentences, clauses, or phrases might be declared to be unconstitutional or invalid. 1111111 VIII 11111111111111111III Ell III I'll/ IIII IIII 2747303 02/01/2000 03:13P JA Suki Tsukamoto 4 of 5 R 0.00 0 0.00 Weld County CO 2000-0169 ORD119-P RE: ORDINANCE NO. 119-P PAGE 5 The above and foregoing Ordinance Number 119-P was, on motion duly made and seconded, adopted by the following vote on the 24th, day of January, A. D., 2000. BOARD OF COUNTY COMMISSIONERS W LD COUNTY, OLORADO aiATTEST: i''A �/ ,O Barbara J. meye , Chair Weld County Clerk to th' r oar. . BY: r . J. eile, Pro- em Deputy Clerk to the : r 'if"Il 4, EXCUSED eorge E. Baxter APPROVED AS TO FORM: Dale K. Hall ounty Attortiey Glenn Vaad Publish Notice: December 9, 1999, in the South Weld Sun First Reading: December 22, 1999 Second Reading: January 10, 2000 Publication: January 13, 2000, in the South Weld Sun (Complete Ordinance published on Second Reading due to inadvertent omission of first publication.) Final Reading: January 24, 2000 Publication: January 27, 2000, in the South Weld Sun Effective: January 31, 2000 AID 11111 111111 EMI 11111 III 1111111 III VIII IIII IIII 2747303 02/01/2000 03:13P JA Suki Tsukamoto 5 of 5 R 0.00 D 0.00 Weld County CO 2000-0169 ORD119-P Hello