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the Drawings and shall be firmly and secu rely' held in position. In no case shall the clear depth of the reinforce- ment , measured from the outside of the bar to nearest concrete surface , be less than one and one-half inches . All anchor bolts , forms for cored holes , conduits , pipes , or other inserts shall be accurately placed and frimly held in exact position in such a manner as to prevent disturbance during the placing of concrete. No concrete shall be deposited until the form work and the placing of reinforcing steel and inserts have been completed and inspected , and permission has been given by the Inspector to place the concrete. All concrete shall be Class "A" meeting all the requirements of Section 90 of the Standard Specifications . E. MAIN-LINE _METER Tube Type Meter - 150# Working Pressure 6 "Size., Flanged Ends . Meters to be of the propeller type and to be furnished complete with integral cast tube of close-grain, high tensile• cast iron having flanged ends , faced and drilled 125# standard . deter Lube to be furnished with full-length stainless steel liner and three stainless steel straightening vanes , radially spaced 120 degrees apart. Dieter tube to have the same nominal inside diameter throughout its length to offer minimum obstruction to the flow. Meterhead to be connected to the tube by means of a flanged connection designed for easy removal from the tube for inspection or repair. Meterhead to have cover plate of close-grain, high tensile cast iron with propeller gear box of cast bronze. Meterhead to be furnished with plastic propeller mounted transversely in the center of the meter tube. Rotation of the propeller shall be transmitted. by means of a worm and worm gear to a 6-digit straight reading totalizer reading units of- gallons . Meter to be suitable for normal flows between 90 and 900 gallons per minute and for temporary flows up to 50 per cent above the normal maximum. Meter to register within 2 per cent (2%) of the true flow of water, all flows above the minimum rating. :deter shall be suitable for adaption of electric transmission unit for remote recording. Meter shall be Sparlinp -1cin-Line Type CF-115-1 or approved equal , and the product of a manufacturer who has at least five years experience in the manufacture of similar metering; equipment. F. STEL PIPS" for connection between the pump and pressure tank and for the tank discharge shall be schedule 40 block steel pipe conforming to A.S .T .,•.. A53. Fittings as specified shall be cast iron, 125 pound , flanged . Fittings shall conform to ASA B16.1 and AST_,! A126 Class B specifications . Piping and fittings shall be cleaned and prepared for finished painting. G. GATE VALVES shall be flanged 125 pound , non-risinc~ stem, open countor clockwise, and conform to Federal Specific tion 1,P,1-V-58a, Class 1 , Type 1. Gate valves shall have iron bodies with bronze screwed-in fittings . Valves shall be as manufactured by NIBCO- SCOTT or approved equal. (48)