Thomco Construction Inc. 6/14/2021

CITY OF EVERETT SPECIAL PROVISIONS Provide an affidavit of compliance stating the valve furnished fully complies with AWWA C509 or AWWA C515. 9-30.3(3) Butterfly Valves Revise the first sentence of the second paragraph of 9-30.3(3) to read as follows: Valve operators shall be of the travelling nut, self-locking type, sealed, gasketed and permanently lubricated for underground service. 9-30.3(4) Valve Boxes Supplement 9-30.3(4) by adding the following: ' Provide East Jordan 8555 Series, two piece slip type box with 6800 two and one- half inch skirt drop lid or City approved equal. Plastic valve boxes with a cast iron lid having dimensions conforming to a number 940 valve box, as manufactured by Handley Industries, or City approved equal, are acceptable for valve boxes located in grass, non-paved or paved non- vehicular traffic areas. 9-30.3(5) Valve Marker Posts Delete first and second paragraphs of 9-30.3(5) and substitute the following: Post shall be 4-inch diameter, 42-inch tall, fluorescent orange, low density polypropylene portable traffic delineator post with two reflectorized strips. 9-30.3(6) Valve Stem Extension Revise the first paragraph of 9-30.3(6) to read as follows: Provide valve stem extension in accordance with COE Standard Drawing No. 504. 9-30.3(7) Combination Air Release/Air Vacuum Valves Supplement this section by adding the following. Provide combination air release/air vacuum valve in accordance with COE Standard Drawing 512, parts list modified to provide size 2-inch instead of 1" parts. Locate at the high point in the main and tap at the top of the main. 9-30.3(8) Tapping Sleeve and Valve Assembly ' Revise the last sentence of 9-30.3(8) to read as follows: Provide all stainless steel tapping sleeves, Romac SST, Romac SSTIII, or City approved equal. 9-30.5 Hydrants Delete first paragraph of 9-30.5 and substitute the following: Provide fire hydrants with ANSI 125 flanged connection conforming to AWWA C502. Provide Mueller "Super Centurion No. 250", American Flow Control "Waterous Pacer No. WB67", or City approved equal. 9-30.5(2) Hydrant Dimensions Delete last sentence of first paragraph of 9-30.5(2) and substitute the following: Provide hydrants having two 2-1/2 inch hose nozzles and one 4-1/2 inch pumper nozzle. The 4-1/2 inch pumper nozzle shall be National Thread and fitted with a 5-inch STORZ fitting. Delete last sentence of second paragraph of 9-30.5(2) and substitute the following: Paint hydrants with two coats of high gloss Caterpillar yellow, Luxite 6100-516, Rost-Oleum 7448, or City approved equal. Paint the port caps with two coats of high gloss black enamel paint. ' 9-30.5(4) Hydrant Restraints Revise the first paragraph of 9-30.5(4) to read as follows: Watermain Replacement"V" Division 9—MATERIALS April, 2021 WO No.—UP3730 SP—205 ADDENDUM#1