(CU 309192) FIRE HYDRANT 4 1/2 FT. BURY LENGTH, PER THE FOLLOWING SPECIFICATIONS: CONFORM TO AWWA C-502, LATEST REVISION, MODIFIED AS FOLLOWS: A. SEC.1.1 MAIN VALVE SHALL CLOSE WITH THE WATER PRESSURE. B. SEC.3.1 HYDRANTS SHALL CONTAIN FRANGIBLE SECTIONS NEAR THE GROUND LINE DESIGNED TO BREAK ON IMPACT (TRAFFIC OR BREAKAWAY TYPE DESIGN). DESIGN OF FRANGIBLE SECTION SHALL PERMIT FACING OF UPPER BARREL SECTION BY INFINITE DEGREE AND SHALL NOT RELY ON WEAKENED BOLTS. C. SEC.3.2.1 MAIN VALVE ASSEMBLY REMOVAL SHALL BE ACCOMPLISHED FROM THE TOP OF THE UPPER BARREL BY MEANS OF A SHORT LIGHTWEIGHT SEAT REMOVAL WRENCH UTILIZING THE HYDRANT STEM. D. SEC.3.2.1.1 THE MAIN VALVE SEAT RING SHALL BE BRONZE AND SHALL BE THREADED INTO A BRONZE DRAIN RING. E. SEC.3.2.4 THE MAIN VALVE OPENING SHALL BE 4-1/2 INCH DIAMETER. F. SEC.3.2.8 PROVIDE TWO 2-1/2 INCH HOSE CONNECTIONS AND ONE 4-1/2 INCH PUMPER CONNECTION ALL WITH THREADS IN CONFORMANCE WITH NFPA NO. 194 FOR NATIONAL STANDARD FIRE HOSE COUPLING SCREW THREADS. OUTLET NOZZLES SHALL BE FASTENED TO BARREL BY MECHANICAL MEANS. CHAINS OR CABLES ON NOZZLE CAPS ARE TO BE OMITTED. G. SEC.3.2.9.5 DIRECTION OF OPENING SHALL BE TO RIGHT (CLOCKWISE). H. SEC.3.2.9.8 OPERATING NUT AND NOZZLE CAP NUTS SHALL BE PENTAGON SHAPE, MEASURING 1-5/8 INCH POINT TO FLAT. A WEATHER SHIELD SHALL BE PROVIDED TO PROTECT THE OPENING BETWEEN THE WRENCH NUT AND THE BONNET. I. SEC.3.2.10 A DRAIN VALVE MECHANISM SHALL BE PROVIDED AS AN INTEGRAL PART OF THE MAIN VALVE ASSEMBLY AND SHALL CONSIST OF NOT LESS THAN TWO (2) OPENINGS IN THE MAIN VALVE SEAT RING AND TWO (2) EXTERNAL DISCHARGES. THE UPPER VALVE PLATE SHALL BE CONSTRUCTED OF BRONZE AND SHALL INCORPORATE DRAIN VALVE SEALS PER SEC.3.2.2. J. SEC.3.2.12 FURNISH O-RING SEALS ON THE VALVE STEM TO PROVIDE A DRY-HEAD TYPE OPERATION. STEEL VALVE STEMS SHALL HAVE BRONZE SLEEVES IN THE O-RING AREAS. K. SEC.3.2.18 OMIT HYDRANT INLET. L. SEC.4.2.1 THE PRIME COAT FROM THE GROUND LINE UP SHALL CONFORM TO FEDERAL SPEC TT-P-636 ONLY. FEDERAL SPEC TT-P-86 IS NOT ACCEPTABLE. COATINGS WHICH CONTAIN MORE THAN 0.06% BY WEIGHT OF LEAD SHALL NOT BE USED. THE HYDRANTS SHALL BE GIVEN A SECOND COAT OF PAINT FROM THE GROUND LINE UP. PAINT SHALL BE SAFETY YELLOW IN COLOR AND SHALL BE EQUIVALENT TO SHERWIN WILLIAMS INDUSTRIAL ENAMEL B54 SERIES. OPTIONAL COATING SYSTEM MAY BE VALSPAR TRIGLYCIDYL ISOCYANURATE (TGIC) KPE84212P60 SAFETY YELLOW. THE COATING SHALL CONTAIN REFLECTIVE BEADS ON THE HYDRANT BONNET AND ALL NOZZLE CAPS. M. SPECIAL REQUIREMENTS: 1) THE OPERATING NUT THRUST COLLAR SHALL BE PROVIDED WITH AN ANTI- FRICTION WASHER OF TEFLON, DELRIN, TEFLON COATED MATERIAL, OR OTHER ANTI-FRICTION MATERIAL APPROVED BY CITY UTILITIES. 2) THE FIRE HYDRANTS FURNISHED SHALL BE CONSTRUCTED TO SCREW DIRECTLY INTO THE INLET SHOE OF EXISTING WOODS-MATHEWS FIRE HYDRANTS TO PROVIDE A DIRECT CHANGE OUT TO A MODERN FIRE HYDRANT WITH ALL SPECIFIED FEATURES WHICH SHALL BE PARTS COMPATIBLE WITH THE MANUFACTURER'S REGULAR 4 1/2" FIRE HYDRANT WITH BARREL THREAD DIMENSIONS OF 8.25" O.D.
